Merge pull request #5002 from BrzVlad/feature-sgen-modes
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [5.5.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
34
35 # This is the version number of the corlib-runtime interface. When
36 # making changes to this interface (by changing the layout
37 # of classes the runtime knows about, changing icall signature or
38 # semantics etc), increment this variable.
39 #
40 # This can be reset to 0 when Mono's version number is bumped
41 # since it's part of the corlib version (the prefix '1' in the full
42 # version number is to ensure the number isn't treated as octal in C)
43 MONO_CORLIB_COUNTER=2
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
45
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
47 AC_SUBST(MONO_CORLIB_VERSION)
48
49 case $host_os in
50 *cygwin* )
51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
52                  exit 1
53 esac
54
55 # In case of cygwin, override LN_S, irrespective of what it determines.
56 # The build uses cygwin, but the actual runtime doesn't.
57 case $host_os in
58 *cygwin* ) LN_S='cp -p';;
59 esac
60
61 #
62 # libgc defaults
63 #
64 libgc_configure_args=
65
66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
69 CFLAGS_FOR_LIBGC=$CFLAGS
70 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
71 CFLAGS_FOR_EGLIB=$CFLAGS
72 CPPFLAGS_FOR_BTLS=$CPPFLAGS
73 CFLAGS_FOR_BTLS=$CFLAGS
74
75 # libgc uses some deprecated APIs
76 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
77
78 #
79 # These are the flags that need to be stored in the mono.pc file for 
80 # compiling code that will embed Mono
81 #
82 libmono_cflags=""
83 libmono_ldflags=""
84 AC_SUBST(libmono_cflags)
85 AC_SUBST(libmono_ldflags)
86
87 # Variable to have relocatable .pc files (lib, or lib64)
88 # realpath isn't always available, and requires that all but the tip of the provided
89 # path exists. Fall back to the old behaviour, but realpath allows depth >1
90 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
91 # too deep for the old method to work
92 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
93 AC_SUBST(reloc_libdir)
94
95 # Set to yes if Unix sockets cannot be created in an anonymous namespace
96 need_link_unlink=no
97
98 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
99 extra_runtime_ldflags=""
100
101 # Thread configuration inspired by sleepycat's db
102 AC_MSG_CHECKING([host platform characteristics])
103 libgc_threads=no
104 has_dtrace=no
105 parallel_mark=yes
106 ikvm_native=yes
107
108 host_win32=no
109 target_win32=no
110 platform_android=no
111 host_darwin=no
112 case "$host" in
113         *-mingw*|*-*-cygwin*)
114                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
115                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
116                 host_win32=yes
117                 mono_cv_clang=no
118                 if test "x$cross_compiling" = "xno"; then
119                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
120                                 target_win32=yes
121                         fi
122                 else
123                         if test "x$host" = "x$target"; then
124                                 target_win32=yes
125                         fi
126                 fi
127                 HOST_CC="gcc"
128                 # Windows Vista or later is required
129                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
130                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
131                 libmono_cflags="-mms-bitfields -mwindows"
132                 libmono_ldflags="-mms-bitfields -mwindows"
133                 libdl=
134                 libgc_threads=win32
135                 with_sigaltstack=no
136                 with_tls=pthread
137                 with_sgen_default_concurrent=yes
138                 LN_S=cp
139                 # This forces libgc to use the DllMain based thread registration code on win32
140                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
141                 ;;
142         *-*-*netbsd*)
143                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
144                 libmono_cflags="-D_REENTRANT"
145                 LDFLAGS="$LDFLAGS -pthread"
146                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
147                 libmono_ldflags="-pthread"
148                 need_link_unlink=yes
149                 libdl="-ldl"
150                 libgc_threads=pthreads
151                 with_sigaltstack=no
152                 use_sigposix=yes
153                 with_sgen_default_concurrent=yes
154                 ;;
155         *-*-kfreebsd*-gnu)
156                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
157                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
158                 libmono_ldflags="-lpthread -pthread"
159                 libdl="-ldl"
160                 libgc_threads=pthreads
161                 need_link_unlink=yes
162                 with_sigaltstack=no
163                 use_sigposix=yes
164                 with_sgen_default_concurrent=yes
165                 ;;
166         *-*-*freebsd*)
167                 if test "x$PTHREAD_CFLAGS" = "x"; then
168                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
169                         libmono_cflags=
170                 else
171                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
172                         libmono_cflags="$PTHREAD_CFLAGS"
173                 fi
174                 if test "x$PTHREAD_LIBS" = "x"; then
175                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
176                         libmono_ldflags="-pthread"
177                 else
178                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
179                         libmono_ldflags="$PTHREAD_LIBS"
180                 fi
181                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
182                 need_link_unlink=yes
183                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
184                 libdl=
185                 libgc_threads=pthreads
186                 use_sigposix=yes
187                 has_dtrace=yes
188                 with_sgen_default_concurrent=yes
189                 ;;
190         *-*-*openbsd*)
191                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
192                 if test "x$disable_munmap" != "xyes"; then
193                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
194                 fi
195                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
196                 LDFLAGS="$LDFLAGS -pthread"
197                 need_link_unlink=yes
198                 AC_DEFINE(PTHREAD_POINTER_ID)
199                 libdl=
200                 libgc_threads=pthreads
201                 with_sigaltstack=no
202                 use_sigposix=yes
203                 with_sgen_default_concurrent=yes
204                 ;;
205         *-*-linux-android*)
206                 platform_android=yes
207                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
208                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
209
210                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
211                 if test "x$disable_munmap" != "xyes"; then
212                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
213                 fi
214                 libmono_cflags="-D_REENTRANT"
215                 libdl="-ldl"
216                 libgc_threads=pthreads
217                 use_sigposix=yes
218
219                 with_tls=pthread
220                 with_sigaltstack=no
221                 with_static_mono=no
222
223                 # Android doesn't support boehm, as it's missing <link.h>
224                 support_boehm=no
225                 with_gc=sgen
226
227                 # isinf(3) requires -lm; see isinf check below
228                 LDFLAGS="$LDFLAGS -lm"
229
230                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
231                 # PAGE_SIZE; breaks mono/io-layer/collection.c
232                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
233                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
234                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
235
236                 # to bypass the underscore linker check, can't work when cross-compiling
237                 mono_cv_uscore=yes
238                 mono_cv_clang=no
239                 ;;
240         *-*-linux*)
241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
242                 if test "x$disable_munmap" != "xyes"; then
243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
244                 fi
245                 libmono_cflags="-D_REENTRANT"
246                 libdl="-ldl"
247                 libgc_threads=pthreads
248                 use_sigposix=yes
249                 if test "x$cross_compiling" != "xno"; then
250                         # to bypass the underscore linker check, not
251                         # available during cross-compilation
252                         mono_cv_uscore=no
253                 fi
254                 case "$host" in
255                 aarch64-*)
256                         support_boehm=no
257                         with_gc=sgen
258                         ;;
259                 powerpc*-*-linux*)
260                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
261                         disable_munmap=yes
262                         ;;
263                 esac
264                 with_sgen_default_concurrent=yes
265                 ;;
266         *-*-nacl*)
267                 echo "nacl no longer supported."
268                 exit 1
269                 ;;
270         *-*-hpux*)
271                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
272                 # +ESdbgasm only valid on bundled cc on RISC
273                 # silently ignored for ia64
274                 if test $GCC != "yes"; then
275                         CFLAGS="$CFLAGS +ESdbgasm"
276                         # Arrange for run-time dereferencing of null
277                         # pointers to produce a SIGSEGV signal.
278                         LDFLAGS="$LDFLAGS -z"
279                 fi
280                 CFLAGS="$CFLAGS +ESdbgasm"
281                 LDFLAGS="$LDFLAGS -z"
282                 libmono_cflags="-D_REENTRANT"
283                 libmono_ldflags="-lpthread"
284                 libgc_threads=pthreads
285                 need_link_unlink=yes
286                 use_sigposix=yes
287                 ;;
288         *-*-solaris*)
289                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
290                 need_link_unlink=yes
291                 libmono_cflags="-D_REENTRANT"
292                 libgc_threads=pthreads
293                 has_dtrace=yes
294                 use_sigposix=yes
295                 enable_solaris_tar_check=yes
296                 ;;
297         *-*-darwin*)
298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
299                 host_darwin=yes
300                 target_mach=yes
301                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
302                 libmono_cflags="-D_THREAD_SAFE"
303                 need_link_unlink=yes
304                 AC_DEFINE(PTHREAD_POINTER_ID)
305                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
306                 libdl=
307                 libgc_threads=pthreads
308                 has_dtrace=yes
309                 if test "x$cross_compiling" = "xyes"; then
310                         has_broken_apple_cpp=yes
311                 fi
312                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
313                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
314                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
315                 case "$host" in
316                         dnl Snow Leopard and newer config.guess reports as this
317                         i*86-*-darwin*)
318                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
319                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
320                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
321                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
323                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
324                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
325                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
326                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
327                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
328                                 with_sgen_default_concurrent=yes
329                                 ;;
330                         x*64-*-darwin*)
331                                 with_sgen_default_concurrent=yes
332                                 ;;
333                         arm*-darwin*)
334                                 has_dtrace=no
335                                 ;;                      
336                 esac
337                 ;;
338         *-*-haiku*)
339                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
340                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
341                 libdl=
342                 LIBS="$LIBS -lnetwork -ltextencoding"
343                 need_link_unlink=yes
344                 AC_DEFINE(PTHREAD_POINTER_ID)
345                 dnl Haiku does not support static TLS with __thread
346                 with_tls=pthread
347                 dnl Boehm is too much work to backport Haiku support for
348                 support_boehm=no
349                 libgc_threads=pthreads
350                 use_sigposix=yes
351                 ;;
352         *)
353                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
354                 libdl="-ldl"
355                 ;;
356 esac
357 AC_MSG_RESULT(ok)
358
359 if test x$need_link_unlink = xyes; then
360    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
361 fi
362
363 if test x$host_win32 = xyes; then
364    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
365 fi
366
367 if test x$target_win32 = xyes; then
368    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
369 fi
370
371 # Defined for all targets/platforms using classic Windows API support.
372 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
373 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
374
375 AC_SUBST(extra_runtime_ldflags)
376 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
377 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
378 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
379 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
380 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
381 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
382
383 if test -z "$PLATFORM_DARWIN_TRUE"; then :
384 PLATFORM_AOT_SUFFIX=.dylib
385 fi
386
387 if test -z "$PLATFORM_LINUX_TRUE"; then :
388 PLATFORM_AOT_SUFFIX=.so
389 fi
390
391 if test -z "$HOST_WIN32_TRUE"; then :
392 PLATFORM_AOT_SUFFIX=.dll
393 fi
394
395 AC_SUBST(PLATFORM_AOT_SUFFIX)
396
397 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
398
399 AC_CHECK_TOOL(CC, gcc, gcc)
400 AC_PROG_CC
401 AC_CHECK_TOOL(CXX, g++, g++)
402 AC_PROG_CXX
403 AM_PROG_AS
404 AC_PROG_INSTALL
405 AC_PROG_AWK
406 AM_PROG_CC_C_O
407 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
408 : ${CCAS='$(CC)'}
409 # Set ASFLAGS if not already set.
410 : ${CCASFLAGS='$(CFLAGS)'}
411 AC_SUBST(CCAS)
412 AC_SUBST(CCASFLAGS)
413
414 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
415 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
416 if test "x$CXX" = "xg++"; then
417         if test "x$GXX" != "xyes"; then
418                 # automake/libtool is so broken, it requires g++ even if the c++ sources
419                 # are inside automake conditionals
420                 AC_MSG_ERROR([You need to install g++])
421         fi
422 fi
423
424 dnl may require a specific autoconf version
425 dnl AC_PROG_CC_FOR_BUILD
426 dnl CC_FOR_BUILD not automatically detected
427 CC_FOR_BUILD=$CC
428 CFLAGS_FOR_BUILD=$CFLAGS
429 BUILD_EXEEXT=
430 if test "x$cross_compiling" = "xyes"; then
431         CC_FOR_BUILD=cc
432         CFLAGS_FOR_BUILD=
433         BUILD_EXEEXT=""
434 fi
435 AC_SUBST(CC_FOR_BUILD)
436 AC_SUBST(CFLAGS_FOR_BUILD)
437 AC_SUBST(HOST_CC)
438 AC_SUBST(BUILD_EXEEXT)
439
440 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
441 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
442
443 # Set STDC_HEADERS
444 AC_HEADER_STDC
445 AC_LIBTOOL_WIN32_DLL
446 # This causes monodis to not link correctly
447 #AC_DISABLE_FAST_INSTALL
448
449 #lookup makedev() header
450 AC_HEADER_MAJOR
451
452 AM_PROG_LIBTOOL
453 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
454 DOLT
455
456 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
457 AC_SUBST(export_ldflags)
458
459 # Test whenever ld supports -version-script
460 AC_PROG_LD
461 AC_PROG_LD_GNU
462
463 AM_ICONV()
464
465 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
466 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
467 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
468                   [], [], [#include <stddef.h>
469                   #include <sys/socket.h>
470                   #include <linux/socket.h>])
471
472 AC_CHECK_HEADERS(sys/user.h, [], [],
473 [
474 #ifdef HAVE_SYS_PARAM_H
475 # include <sys/param.h>
476 #endif
477 ])
478
479 AC_CHECK_HEADERS(linux/serial.h)
480
481 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
482 if test x$have_zlib = xyes; then
483    AC_TRY_COMPILE([#include <zlib.h>], [
484    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
485    return 0;
486    #else
487    #error No good zlib found
488    #endif
489    ],[
490         AC_MSG_RESULT(Using system zlib)
491         zlib_msg="system zlib"
492         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
493    ],[
494         AC_MSG_RESULT(Using embedded zlib)
495         have_zlib=no
496         zlib_msg="bundled zlib"
497    ])
498 fi
499
500 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
501 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
502
503 # for mono/metadata/debug-symfile.c
504 AC_CHECK_HEADERS(elf.h)
505
506 # for support
507 AC_CHECK_HEADERS(poll.h)
508 AC_CHECK_HEADERS(sys/poll.h)
509 AC_CHECK_HEADERS(sys/wait.h)
510 AC_CHECK_HEADERS(grp.h)
511 AC_CHECK_HEADERS(syslog.h)
512
513 # for mono/dis
514 AC_CHECK_HEADERS(wchar.h)
515 AC_CHECK_HEADERS(ieeefp.h)
516 AC_MSG_CHECKING(for isinf)
517 AC_TRY_LINK([#include <math.h>], [
518         int f = isinf (1.0);
519 ], [
520         AC_MSG_RESULT(yes)
521         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
522 ], [
523         # We'll have to use signals
524         AC_MSG_RESULT(no)
525 ])
526 # mingw
527 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
528         AC_TRY_LINK([#include <math.h>], 
529         [ _finite(0.0); ], 
530         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
531         AC_MSG_RESULT(no)))
532
533 # for Linux statfs support
534 AC_CHECK_HEADERS(linux/magic.h)
535
536 # not 64 bit clean in cross-compile
537 AC_CHECK_SIZEOF(void *, 4)
538
539 AC_CACHE_CHECK([for clang],
540         mono_cv_clang,[
541         AC_TRY_COMPILE([], [
542                 #ifdef __clang__
543                 #else
544                 #error "FAILED"
545                 #endif
546                 return 0;
547         ],
548         [mono_cv_clang=yes],
549         [mono_cv_clang=no],
550         [])
551 ])
552
553 AC_ARG_ENABLE(visibility-hidden,
554 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
555    disable_visibility_hidden=yes, disable_visibility_hidden=no)
556
557 WARN=''
558 if test x"$GCC" = xyes; then
559         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
560
561                 # We require C99 with some GNU extensions, e.g. `linux` macro
562                 CFLAGS="$CFLAGS -std=gnu99"
563
564                 # The runtime code does not respect ANSI C strict aliasing rules
565                 CFLAGS="$CFLAGS -fno-strict-aliasing"
566
567                 # We rely on signed overflow to behave
568                 CFLAGS="$CFLAGS -fwrapv"
569
570                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
571                 if test x"$disable_visibility_hidden" = xno; then
572                    # Don't export any symbols by default
573                    SHARED_CFLAGS="-fvisibility=hidden"
574                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
575                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
576                 fi
577
578                 ORIG_CFLAGS=$CFLAGS
579                 # Check for the normal version, since gcc ignores unknown -Wno options
580                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
581                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
582                 AC_TRY_COMPILE([],[
583                                 return 0;
584                 ], [
585                    AC_MSG_RESULT(yes)
586                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
587                 ], [
588                    AC_MSG_RESULT(no)
589                    CFLAGS=$ORIG_CFLAGS
590                 ])
591
592                 if test "x$mono_cv_clang" = "xyes"; then
593                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
594                    WARN="$WARN -Qunused-arguments"
595                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
596                    # We rely on zero length arrays in structs
597                    WARN="$WARN -Wno-zero-length-array"
598                 fi
599 else
600         # The Sun Forte compiler complains about inline functions that access static variables
601         # so disable all inlining.
602         case "$host" in
603         *-*-solaris*)
604                 CFLAGS="$CFLAGS -Dinline="
605                 ;;
606         esac
607 fi
608 CFLAGS="$CFLAGS -g $WARN"
609 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
610 CPPFLAGS="$CPPFLAGS -g $WARN"
611
612 # Where's the 'mcs' source tree?
613 if test -d $srcdir/mcs; then
614   mcsdir=mcs
615 else
616   mcsdir=../mcs
617 fi
618
619 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
620         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
621                 mcsdir=$with_mcs_path
622         fi
623 )
624
625 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
626
627 #
628 # A sanity check to catch cases where the package was unpacked
629 # with an ancient tar program (Solaris)
630 #
631 AC_ARG_ENABLE(solaris-tar-check,
632 [  --disable-solaris-tar-check    disable solaris tar check],
633    do_solaris_tar_check=no, do_solaris_tar_check=yes)
634
635 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
636         AC_MSG_CHECKING(integrity of package)
637         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
638         then
639                 AC_MSG_RESULT(ok)
640         else
641                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
642                 AC_MSG_ERROR([$errorm])
643         fi
644 fi
645
646 if test "x$with_mcs_path" != "x"; then
647 mcs_topdir=$(cd "$mcsdir" && pwd)
648 mcs_topdir_from_srcdir=$mcs_topdir
649 else
650 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
651 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
652 fi
653
654 # Convert mcs_topdir* paths to Windows syntax.
655 if test x$cross_compiling$host_win32 = xnoyes; then
656   mcs_topdir=$(cygpath -m $mcs_topdir)
657   case $mcs_topdir_from_srcdir in
658     /cygdrive/*)
659         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
660         ;;
661   esac
662 fi
663
664 AC_SUBST([mcs_topdir])
665 AC_SUBST([mcs_topdir_from_srcdir])
666
667 # gettext: prepare the translation directories. 
668 # we do not configure the full gettext, as we consume it dynamically from C#
669 AM_PO_SUBDIRS
670
671 if test "x$USE_NLS" = "xyes"; then
672    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
673
674    if test "x$HAVE_MSGFMT" = "xno"; then
675           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
676    fi
677 fi
678
679 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
680
681 pkg_config_path=
682 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
683         if test x$with_crosspkgdir = "x"; then
684                 if test -s $PKG_CONFIG_PATH; then
685                         pkg_config_path=$PKG_CONFIG_PATH
686                 fi
687         else
688                 pkg_config_path=$with_crosspkgdir
689                 PKG_CONFIG_PATH=$pkg_config_path
690                 export PKG_CONFIG_PATH
691         fi
692 )
693
694 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
695 if test x$werror_flag = xyes; then
696         WERROR_CFLAGS="-Werror"
697 fi
698 AC_SUBST([WERROR_CFLAGS])
699 AC_SUBST([SHARED_CFLAGS])
700
701 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
702 AC_CONFIG_SUBDIRS(eglib)
703
704 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
705 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
706   
707 AC_SUBST(GLIB_CFLAGS)
708 AC_SUBST(GLIB_LIBS)
709
710 # Enable support for fast thread-local storage
711 # Some systems have broken support, so we allow to disable it.
712 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
713
714 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
715 # This does not work on some platforms (bug #55253)
716 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
717
718 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
719 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
720 # Same as --with-shared_mono=no
721 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
722
723 if test "x$enable_static" = "xno"; then
724    with_static_mono=no
725 fi
726
727 if test "x$enable_shared" = "xno"; then
728    with_shared_mono=no
729 fi
730
731 if test "x$enable_libraries" = "xno"; then
732    with_shared_mono=no
733 fi
734
735 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
736
737 if test "x$host_win32" = "xyes"; then
738    # Boehm GC requires the runtime to be in its own dll
739    with_static_mono=no
740 fi
741
742 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
743 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
744 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
745
746 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
747 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
748         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
749         ORIG_CFLAGS=$CFLAGS
750         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
751         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
752         AC_TRY_COMPILE([], [
753                 return 0;
754         ], [
755            AC_MSG_RESULT(yes)
756            # Pass it to libgc as well
757            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
758         ], [
759            AC_MSG_RESULT(no)
760            CFLAGS=$ORIG_CFLAGS
761         ])
762 fi
763
764 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
765
766 if test x$enable_small_config = xyes; then
767         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
768         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
769 fi
770
771 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
772
773 DISABLED_FEATURES=none
774 csc_compiler=default
775 endian=unknown
776 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
777 AC_MSG_CHECKING([CSharp compiler to use])
778 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
779    if test x$withval = xmcs; then
780        csc_compiler=mcs
781    elif test x$withval = xroslyn; then
782        csc_compiler=roslyn
783    elif test x$withval = xdefault; then
784        :
785    else
786        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
787    fi
788 ],[csc_compiler=default])
789
790 if test $csc_compiler = default; then
791    if test $endian = big; then
792       csc_compiler=mcs
793    elif test $endian = little; then
794       csc_compiler=roslyn
795    else
796       csc_compiler=mcs
797    fi
798 fi
799 AC_MSG_RESULT($csc_compiler)
800
801 #
802 # Set the build profiles and options before things which use them
803 #
804
805 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
806 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
807 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
808 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
809 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
810 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
811 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
812 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
813 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
814 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
815 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
816
817
818 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])
819
820 dnl
821 dnl Profile defaults
822 dnl
823 TEST_PROFILE=default
824 enable_llvm_default=no
825
826 with_profile4_x_default=no
827 with_monodroid_default=no
828 with_monotouch_default=no
829 with_monotouch_watch_default=no
830 with_monotouch_tv_default=no
831 with_xammac_default=no
832 with_testing_aot_hybrid_default=no
833 with_testing_aot_full_default=no
834 with_winaot_default=no
835 with_orbis_default=no
836
837 with_bitcode_default=no
838 with_cooperative_gc_default=no
839
840 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
841
842 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
843    DISABLE_MCS_DOCS_default=yes
844 elif test x$with_runtime_preset = xnet_4_x; then
845    with_profile4_x_default=yes
846 elif test x$with_runtime_preset = xall; then
847    with_profile4_x_default=yes
848    with_monodroid_default=yes
849    with_monotouch_default=yes
850    with_monotouch_watch_default=yes
851    with_monotouch_tv_default=yes
852    with_xammac_default=yes
853    with_winaot_default=yes
854    with_orbis_default=yes
855 elif test x$with_runtime_preset = xfullaot; then
856    DISABLE_MCS_DOCS_default=yes
857    with_testing_aot_full_default=yes
858    TEST_PROFILE=testing_aot_full
859
860    mono_feature_disable_com='yes'
861    mono_feature_disable_remoting='yes'
862    mono_feature_disable_reflection_emit_save='yes'
863    mono_feature_disable_reflection_emit='yes'
864    mono_feature_disable_appdomains='yes'
865
866    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
867
868    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
869 elif test x$with_runtime_preset = xbitcode; then
870    DISABLE_MCS_DOCS_default=yes
871    with_testing_aot_full_default=yes
872    with_bitcode_default=yes
873    with_cooperative_gc_default=yes
874    TEST_PROFILE=testing_aot_full
875    enable_llvm_default=yes
876
877    mono_feature_disable_com='yes'
878    mono_feature_disable_remoting='yes'
879    mono_feature_disable_reflection_emit_save='yes'
880    mono_feature_disable_reflection_emit='yes'
881    mono_feature_disable_appdomains='yes'
882
883    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
884    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
885 elif test x$with_runtime_preset = xhybridaot; then
886    DISABLE_MCS_DOCS_default=yes
887    with_testing_aot_hybrid_default=yes
888    TEST_PROFILE=testing_aot_hybrid 
889
890    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
891    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
892 elif test x$with_runtime_preset = xaot; then
893    with_profile4_x_default=yes
894
895    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
896    AOT_RUN_FLAGS=""
897
898    DISABLE_MCS_DOCS_default=yes
899 elif test x$with_runtime_preset = xwinaot; then
900    DISABLE_MCS_DOCS_default=yes
901    with_winaot_default=yes
902    TEST_PROFILE=winaot
903
904    mono_feature_disable_com='yes'
905    mono_feature_disable_remoting='yes'
906    mono_feature_disable_reflection_emit_save='yes'
907    mono_feature_disable_reflection_emit='yes'
908    mono_feature_disable_appdomains='yes'
909
910    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
911    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
912 elif test x$with_runtime_preset = xorbis; then
913    DISABLE_MCS_DOCS_default=yes
914    with_orbis_default=yes
915    TEST_PROFILE=orbis
916
917    mono_feature_disable_com='yes'
918    mono_feature_disable_remoting='yes'
919    mono_feature_disable_reflection_emit_save='yes'
920    mono_feature_disable_reflection_emit='yes'
921    mono_feature_disable_appdomains='yes'
922
923    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
924    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
925 else
926    with_profile4_x_default=yes
927 fi
928
929 if test "x$AOT_BUILD_FLAGS" != "x"; then :
930    AC_SUBST(AOT_BUILD_FLAGS)
931    AC_SUBST(AOT_RUN_FLAGS)
932    # For llvmonlycheck + fullaotcheck
933    AC_SUBST(INVARIANT_AOT_OPTIONS)
934 fi
935
936 AC_SUBST(TEST_PROFILE)
937
938 if test "x$with_profile4_x" = "xdefault"; then
939    with_profile4_x=$with_profile4_x_default
940 fi
941 if test "x$with_monodroid" = "xdefault"; then
942    with_monodroid=$with_monodroid_default
943 fi
944 if test "x$with_monotouch" = "xdefault"; then
945    with_monotouch=$with_monotouch_default
946 fi
947 if test "x$with_monotouch_watch" = "xdefault"; then
948    with_monotouch_watch=$with_monotouch_watch_default
949 fi
950 if test "x$with_monotouch_tv" = "xdefault"; then
951    with_monotouch_tv=$with_monotouch_tv_default
952 fi
953 if test "x$with_bitcode" = "xdefault"; then
954    with_bitcode=$with_bitcode_default
955 fi
956 if test "x$with_xammac" = "xdefault"; then
957    with_xammac=$with_xammac_default
958 fi
959 if test "x$with_testing_aot_hybrid" = "xdefault"; then
960    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
961 fi
962 if test "x$with_testing_aot_full" = "xdefault"; then
963    with_testing_aot_full=$with_testing_aot_full_default
964 fi
965 if test "x$with_winaot" = "xdefault"; then
966    with_winaot=$with_winaot_default
967 fi
968 if test "x$with_orbis" = "xdefault"; then
969    with_orbis=$with_orbis_default
970 fi
971
972
973 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
974 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
975 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
976 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
977 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
978 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
979 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
980 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
981 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
982 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
983 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
984 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
985 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
986
987 default_profile=net_4_x
988 if test -z "$INSTALL_MONODROID_TRUE"; then :
989    default_profile=monodroid
990 fi
991 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
992    default_profile=monotouch
993 fi
994 if test -z "$INSTALL_XAMMAC_TRUE"; then :
995    default_profile=xammac
996 fi
997 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
998    default_profile=testing_aot_hybrid
999 fi
1000 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1001    default_profile=testing_aot_full
1002 fi
1003 if test -z "$INSTALL_WINAOT_TRUE"; then :
1004    default_profile=winaot
1005 fi
1006 if test -z "$INSTALL_ORBIS_TRUE"; then :
1007    default_profile=orbis
1008 fi
1009 if test -z "$INSTALL_4_x_TRUE"; then :
1010    default_profile=net_4_x
1011 fi
1012 DEFAULT_PROFILE=$default_profile
1013 AC_SUBST(DEFAULT_PROFILE)
1014
1015 #
1016 # End build profile configuration
1017 #
1018
1019 if test x$USE_NLS = xprofile_default; then
1020
1021         AC_MSG_CHECKING([NLS used])
1022
1023         # We make the default value for USE_NLS
1024         # "no" on OSX because it isn't available on most
1025         # default OSX installs. The most common configurations will
1026         # all disable it, so this saves us typing.
1027         if test x$host_darwin = xyes; then
1028                 USE_NLS=no;
1029         else
1030                 USE_NLS=yes;
1031         fi
1032
1033         AC_SUBST([USE_NLS])
1034         AC_MSG_RESULT([$USE_NLS])
1035 fi
1036
1037 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1038      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1039      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1040          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1041 [
1042         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1043                 eval "mono_feature_disable_$feature='yes'"
1044         done
1045         DISABLED_FEATURES=$enable_minimal
1046         disabled="Disabled:      $enable_minimal"
1047 ],[])
1048
1049 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1050
1051 if test "x$mono_feature_disable_aot" = "xyes"; then
1052         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1053         enable_system_aot=no
1054         AC_MSG_NOTICE([Disabled AOT compiler])
1055 fi
1056
1057 if test "x$mono_feature_disable_profiler" = "xyes"; then
1058         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1059         AC_MSG_NOTICE([Disabled support for the profiler])
1060 fi
1061 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1062
1063 if test "x$mono_feature_disable_decimal" = "xyes"; then
1064         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1065         AC_MSG_NOTICE([Disabled support for decimal])
1066 fi
1067
1068 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1069         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1070         AC_MSG_NOTICE([Disabled support for P/Invoke])
1071 fi
1072
1073 if test "x$mono_feature_disable_debug" = "xyes"; then
1074         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1075         AC_MSG_NOTICE([Disabled support for runtime debugging])
1076 fi
1077
1078 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1079         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1080         mono_feature_disable_reflection_emit_save=yes
1081         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1082 fi
1083
1084 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1085         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1086         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1087 fi
1088
1089 if test "x$mono_feature_disable_large_code" = "xyes"; then
1090         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1091         AC_MSG_NOTICE([Disabled support for large assemblies])
1092 fi
1093
1094 if test "x$mono_feature_disable_logging" = "xyes"; then
1095         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1096         AC_MSG_NOTICE([Disabled support for logging])
1097 fi
1098
1099 if test "x$mono_feature_disable_com" = "xyes"; then
1100         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1101         AC_MSG_NOTICE([Disabled COM support])
1102 fi
1103
1104 if test "x$mono_feature_disable_ssa" = "xyes"; then
1105         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1106         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1107 fi
1108
1109 if test "x$mono_feature_disable_generics" = "xyes"; then
1110         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1111         AC_MSG_NOTICE([Disabled Generics Support])
1112 fi
1113
1114 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1115         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1116         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1117 fi
1118
1119 if test "x$mono_feature_disable_portability" = "xyes"; then
1120         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1121         AC_MSG_NOTICE([Disabled IO Portability layer])
1122 fi
1123
1124 if test "x$mono_feature_disable_attach" = "xyes"; then
1125         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1126         AC_MSG_NOTICE([Disabled agent attach])
1127 fi
1128
1129 if test "x$mono_feature_disable_verifier" = "xyes"; then
1130         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1131         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1132 fi
1133
1134 if test "x$mono_feature_disable_jit" = "xyes"; then
1135         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1136         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1137 fi
1138
1139 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1140
1141 if test "x$mono_feature_disable_simd" = "xyes"; then
1142         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1143         AC_MSG_NOTICE([Disabled SIMD support])
1144 fi
1145
1146 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1147         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1148         AC_MSG_NOTICE([Disabled Soft Debugger.])
1149 fi
1150
1151 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1152         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1153         AC_MSG_NOTICE([Disabled Performance Counters.])
1154 fi
1155 if test "x$mono_feature_disable_normalization" = "xyes"; then
1156         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1157         AC_MSG_NOTICE([Disabled String normalization support.])
1158 fi
1159
1160 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1161 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1162         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1163         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1164 fi
1165
1166 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1167         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1168         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1169 fi
1170
1171 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1172         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1173         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1174 fi
1175
1176 if test "x$mono_feature_disable_remoting" = "xyes"; then
1177         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1178         AC_MSG_NOTICE([Disabled remoting])
1179 fi
1180
1181 if test "x$mono_feature_disable_security" = "xyes"; then
1182         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1183         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1184 fi
1185
1186 if test "x$mono_feature_disable_lldb" = "xyes"; then
1187         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1188         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1189 fi
1190
1191 if test "x$mono_feature_disable_mdb" = "xyes"; then
1192         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1193         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1194 fi
1195
1196 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1197         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1198         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1199 fi
1200
1201 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1202         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1203         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1204 fi
1205
1206 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1207         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1208         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1209 fi
1210
1211 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1212         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1213         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1214 fi
1215
1216 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1217         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1218         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1219 fi
1220
1221 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1222 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1223
1224 has_extension_module=no
1225 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1226 [
1227         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1228                 if test x$extension = xdefault ; then
1229                         has_extension_module=yes;
1230                 fi
1231         done
1232         if test x$enable_extension_module = xyes; then
1233                 has_extension_module=yes;
1234         fi
1235 ], [])
1236
1237 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1238
1239 if test x$has_extension_module != xno ; then
1240         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1241         AC_MSG_NOTICE([Enabling mono extension module.])
1242 fi
1243
1244 # Deprecated
1245 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1246
1247 AC_MSG_CHECKING(for visibility __attribute__)
1248 AC_COMPILE_IFELSE([
1249         AC_LANG_SOURCE([[
1250                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1251                 int main () { doit (); return 0; }
1252         ]])
1253 ], [
1254    have_visibility_hidden=yes
1255    AC_MSG_RESULT(yes)
1256 ], [
1257    have_visibility_hidden=no
1258    AC_MSG_RESULT(no)
1259 ])
1260
1261 dnl
1262 dnl Boehm GC configuration
1263 dnl
1264
1265 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1266
1267 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1268 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1269
1270 if test "x$support_boehm" = "xyes"; then
1271
1272         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1273         if test x$enable_parallel_mark = xyes; then
1274                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1275         fi
1276
1277         gc_msg=""
1278         LIBGC_CPPFLAGS=
1279         LIBGC_LIBS=
1280         LIBGC_STATIC_LIBS=
1281         libgc_dir=
1282         case "x$libgc" in
1283                 xincluded)
1284                         if test "x$support_boehm" = "xyes"; then
1285                                 libgc_dir=libgc
1286                         fi
1287
1288                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1289                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1290                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1291
1292                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1293
1294                         if test x$target_win32 = xyes; then
1295                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1296                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1297                         fi
1298
1299                         gc_msg="Included Boehm GC with typed GC"
1300                         if test x$enable_parallel_mark = xyes; then
1301                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1302                                 gc_msg="$gc_msg and parallel mark"
1303                         else
1304                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1305                         fi
1306                         ;;
1307
1308                 xboehm|xbohem|xyes)
1309                         AC_MSG_WARN("External Boehm is no longer supported")
1310                         ;;
1311
1312                 xsgen)
1313                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1314                         ;;
1315
1316                 xnone)
1317                         AC_MSG_WARN("Compiling mono without GC.")
1318                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1319                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1320                         gc_msg="none"
1321                         ;;
1322                 *)
1323                         AC_MSG_ERROR([Invalid argument to --with-libgc.])
1324                         ;;
1325         esac
1326
1327         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1328         if test "x$large_heap" = "xyes"; then
1329            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1330         fi
1331
1332         AC_SUBST(LIBGC_CPPFLAGS)
1333         AC_SUBST(LIBGC_LIBS)
1334         AC_SUBST(LIBGC_STATIC_LIBS)
1335         AC_SUBST(libgc_dir)
1336         AC_SUBST(BOEHM_DEFINES)
1337
1338 fi
1339
1340 dnl
1341 dnl End of Boehm GC Configuration
1342 dnl
1343
1344 dnl *************************************
1345 dnl *** Checks for zero length arrays ***
1346 dnl *************************************
1347 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1348 AC_TRY_COMPILE([
1349         struct s {
1350                 int  length;
1351                 char data [0];
1352         };
1353 ], [], [
1354         AC_MSG_RESULT(yes)
1355         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1356 ], [
1357         AC_MSG_RESULT(no)
1358         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1359 ])
1360
1361 dnl ***********************************
1362 dnl *** Checks for signals
1363 dnl ***********************************
1364 AC_CHECK_HEADERS(signal.h)
1365 AC_CHECK_FUNCS(sigaction)
1366 AC_CHECK_FUNCS(kill)
1367 AC_CHECK_FUNCS(signal)
1368
1369 # signal() is declared inline in Android headers
1370 # so we need to workaround it by overriding the check.
1371 if test x$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$with_ikvm_native = xyes; then
1423                 ikvm_native_dir=ikvm-native
1424                 jdk_headers_found="IKVM Native"
1425         fi
1426
1427         AC_SUBST(ikvm_native_dir)
1428
1429         AC_CHECK_HEADERS(execinfo.h)
1430
1431         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1432
1433         AC_CHECK_FUNCS(getgrgid_r)
1434         AC_CHECK_FUNCS(getgrnam_r)
1435         AC_CHECK_FUNCS(getresuid)
1436         AC_CHECK_FUNCS(setresuid)
1437         AC_CHECK_FUNCS(kqueue)
1438         AC_CHECK_FUNCS(backtrace_symbols)
1439         AC_CHECK_FUNCS(mkstemp)
1440         AC_CHECK_FUNCS(mmap)
1441         AC_CHECK_FUNCS(madvise)
1442         AC_CHECK_FUNCS(getrusage)
1443         AC_CHECK_FUNCS(getpriority)
1444         AC_CHECK_FUNCS(setpriority)
1445         AC_CHECK_FUNCS(dl_iterate_phdr)
1446         AC_CHECK_FUNCS(dladdr)
1447         AC_CHECK_FUNCS(sysconf)
1448         AC_CHECK_FUNCS(getrlimit)
1449         AC_CHECK_FUNCS(prctl)
1450
1451         AC_CHECK_FUNCS(sched_getaffinity)
1452         AC_CHECK_FUNCS(sched_setaffinity)
1453         AC_CHECK_FUNCS(sched_getcpu)
1454
1455         if test x$platform_android != xyes; then
1456                 AC_CHECK_FUNCS(getpwnam_r)
1457                 AC_CHECK_FUNCS(getpwuid_r)
1458         fi
1459
1460         dnl ****************************************************************
1461         dnl *** Check for sched_setaffinity from glibc versions before   ***
1462         dnl *** 2.3.4. The older versions of the function only take 2    ***
1463         dnl *** parameters, not 3.                                       ***
1464         dnl ***                                                          ***
1465         dnl *** Because the interface change was not made in a minor     ***
1466         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1467         dnl *** won't always indicate the interface sched_affinity has.  ***
1468         dnl ****************************************************************
1469         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1470         AC_TRY_COMPILE([#include <sched.h>], [
1471             int mask = 1; 
1472             sched_setaffinity(0, &mask);
1473                         return 0;
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1478         ], [
1479                 # We have the new, three-parameter version
1480                 AC_MSG_RESULT(no)
1481         ])
1482         AC_TRY_COMPILE([#include <sched.h>], [
1483              CPU_COUNT((void *) 0);
1484         ], [
1485                 AC_MSG_RESULT(yes)
1486                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1487         ], [
1488                 # We have the new, three-parameter version
1489                 AC_MSG_RESULT(no)
1490         ])
1491
1492         dnl ******************************************************************
1493         dnl *** Check for large file support                               ***
1494         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1495         dnl ******************************************************************
1496         
1497         # Check that off_t can represent 2**63 - 1 correctly, working around
1498         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1499         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1500         large_offt=no
1501         AC_DEFUN([LARGE_FILES], [
1502                 large_CPPFLAGS=$CPPFLAGS
1503                 CPPFLAGS="$CPPFLAGS $1"
1504                 AC_TRY_COMPILE([
1505                         #include <sys/types.h>
1506                         #include <limits.h>
1507                 ], [
1508                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1509                         #define COMPILE_TIME_ASSERT(pred) \
1510                                 switch(0){case 0:case pred:;}
1511                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1512                 ], [
1513                         AC_MSG_RESULT(ok)
1514                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1515                         large_CPPFLAGS="$large_CPPFLAGS $1"
1516                         large_offt=yes
1517                 ], [
1518                         AC_MSG_RESULT(no)
1519                 ])
1520                 CPPFLAGS=$large_CPPFLAGS
1521         ])
1522
1523         AC_MSG_CHECKING(if off_t is 64 bits wide)
1524         LARGE_FILES("")
1525         if test $large_offt = no; then
1526                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1527                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1528         fi
1529         if test $large_offt = no; then
1530                 AC_MSG_WARN([No 64 bit file size support available])
1531         fi
1532         
1533         dnl *****************************
1534         dnl *** Checks for libsocket  ***
1535         dnl *****************************
1536         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1537
1538         case "$host" in
1539                 *-*-*freebsd*)
1540                         dnl *****************************
1541                         dnl *** Checks for libinotify ***
1542                         dnl *****************************
1543                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1544         esac
1545
1546         dnl *******************************
1547         dnl *** Checks for MSG_NOSIGNAL ***
1548         dnl *******************************
1549         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1550         AC_TRY_COMPILE([#include <sys/socket.h>], [
1551                 int f = MSG_NOSIGNAL;
1552         ], [
1553                 # Yes, we have it...
1554                 AC_MSG_RESULT(yes)
1555                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1556         ], [
1557                 # We'll have to use signals
1558                 AC_MSG_RESULT(no)
1559         ])
1560
1561         dnl *****************************
1562         dnl *** Checks for IPPROTO_IP ***
1563         dnl *****************************
1564         AC_MSG_CHECKING(for IPPROTO_IP)
1565         AC_TRY_COMPILE([#include <netinet/in.h>], [
1566                 int level = IPPROTO_IP;
1567         ], [
1568                 # Yes, we have it...
1569                 AC_MSG_RESULT(yes)
1570                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1571         ], [
1572                 # We'll have to use getprotobyname
1573                 AC_MSG_RESULT(no)
1574         ])
1575
1576         dnl *******************************
1577         dnl *** Checks for IPPROTO_IPV6 ***
1578         dnl *******************************
1579         AC_MSG_CHECKING(for IPPROTO_IPV6)
1580         AC_TRY_COMPILE([#include <netinet/in.h>], [
1581                 int level = IPPROTO_IPV6;
1582         ], [
1583                 # Yes, we have it...
1584                 AC_MSG_RESULT(yes)
1585                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1586         ], [
1587                 # We'll have to use getprotobyname
1588                 AC_MSG_RESULT(no)
1589         ])
1590
1591         dnl ******************************
1592         dnl *** Checks for IPPROTO_TCP ***
1593         dnl ******************************
1594         AC_MSG_CHECKING(for IPPROTO_TCP)
1595         AC_TRY_COMPILE([#include <netinet/in.h>], [
1596                 int level = IPPROTO_TCP;
1597         ], [
1598                 # Yes, we have it...
1599                 AC_MSG_RESULT(yes)
1600                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1601         ], [
1602                 # We'll have to use getprotobyname
1603                 AC_MSG_RESULT(no)
1604         ])
1605
1606         dnl *****************************
1607         dnl *** Checks for SOL_IP     ***
1608         dnl *****************************
1609         AC_MSG_CHECKING(for SOL_IP)
1610         AC_TRY_COMPILE([#include <netdb.h>], [
1611                 int level = SOL_IP;
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1616         ], [
1617                 # We'll have to use getprotobyname
1618                 AC_MSG_RESULT(no)
1619         ])
1620
1621         dnl *****************************
1622         dnl *** Checks for SOL_IPV6     ***
1623         dnl *****************************
1624         AC_MSG_CHECKING(for SOL_IPV6)
1625         AC_TRY_COMPILE([#include <netdb.h>], [
1626                 int level = SOL_IPV6;
1627         ], [
1628                 # Yes, we have it...
1629                 AC_MSG_RESULT(yes)
1630                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1631         ], [
1632                 # We'll have to use getprotobyname
1633                 AC_MSG_RESULT(no)
1634         ])
1635
1636         dnl *****************************
1637         dnl *** Checks for SOL_TCP    ***
1638         dnl *****************************
1639         AC_MSG_CHECKING(for SOL_TCP)
1640         AC_TRY_COMPILE([#include <netdb.h>], [
1641                 int level = SOL_TCP;
1642         ], [
1643                 # Yes, we have it...
1644                 AC_MSG_RESULT(yes)
1645                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1646         ], [
1647                 # We'll have to use getprotobyname
1648                 AC_MSG_RESULT(no)
1649         ])
1650
1651         dnl *****************************
1652         dnl *** Checks for IP_PKTINFO ***
1653         dnl *****************************
1654         AC_MSG_CHECKING(for IP_PKTINFO)
1655         AC_TRY_COMPILE([#include <linux/in.h>], [
1656                 int level = IP_PKTINFO;
1657         ], [
1658                 # Yes, we have it...
1659                 AC_MSG_RESULT(yes)
1660                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1661         ], [
1662                 AC_MSG_RESULT(no)
1663         ])
1664
1665         dnl *****************************
1666         dnl *** Checks for IPV6_PKTINFO ***
1667         dnl *****************************
1668         AC_MSG_CHECKING(for IPV6_PKTINFO)
1669         AC_TRY_COMPILE([#include <netdb.h>], [
1670                 int level = IPV6_PKTINFO;
1671         ], [
1672                 # Yes, we have it...
1673                 AC_MSG_RESULT(yes)
1674                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1675         ], [
1676                 AC_MSG_RESULT(no)
1677         ])
1678
1679         dnl **********************************
1680         dnl *** Checks for IP_DONTFRAG     ***
1681         dnl **********************************
1682         AC_MSG_CHECKING(for IP_DONTFRAG)
1683         AC_TRY_COMPILE([#include <netinet/in.h>], [
1684                 int level = IP_DONTFRAG;
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1689         ], [
1690                 AC_MSG_RESULT(no)
1691         ])
1692
1693         dnl **********************************
1694         dnl *** Checks for IP_DONTFRAGMENT ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1697         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1698                 int level = IP_DONTFRAGMENT;
1699         ], [
1700                 # Yes, we have it...
1701                 AC_MSG_RESULT(yes)
1702                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1703         ], [
1704                 AC_MSG_RESULT(no)
1705         ])
1706
1707         dnl **********************************
1708         dnl *** Checks for IP_MTU_DISCOVER ***
1709         dnl **********************************
1710         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1711         AC_TRY_COMPILE([#include <linux/in.h>], [
1712                 int level = IP_MTU_DISCOVER;
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl **********************************
1722         dnl *** Checks for  IP_PMTUDISC_DO ***
1723         dnl **********************************
1724         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1725         AC_TRY_COMPILE([#include <linux/in.h>], [
1726                 int level = IP_PMTUDISC_DO;
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl *********************************
1736         dnl *** Check for struct ip_mreqn ***
1737         dnl *********************************
1738         AC_MSG_CHECKING(for struct ip_mreqn)
1739         AC_TRY_COMPILE([#include <netinet/in.h>], [
1740                 struct ip_mreqn mreq;
1741                 mreq.imr_address.s_addr = 0;
1742         ], [
1743                 # Yes, we have it...
1744                 AC_MSG_RESULT(yes)
1745                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1746         ], [
1747                 # We'll just have to try and use struct ip_mreq
1748                 AC_MSG_RESULT(no)
1749                 AC_MSG_CHECKING(for struct ip_mreq)
1750                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1751                         struct ip_mreq mreq;
1752                         mreq.imr_interface.s_addr = 0;
1753                 ], [
1754                         # Yes, we have it...
1755                         AC_MSG_RESULT(yes)
1756                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1757                 ], [
1758                         # No multicast support
1759                         AC_MSG_RESULT(no)
1760                 ])
1761         ])
1762         
1763         dnl **********************************
1764         dnl *** Check for getaddrinfo ***
1765         dnl **********************************
1766         AC_MSG_CHECKING(for getaddrinfo)
1767                 AC_TRY_LINK([
1768                 #include <stdio.h>
1769                 #include <netdb.h>
1770         ], [
1771                 getaddrinfo(NULL,NULL,NULL,NULL);
1772         ], [
1773                 # Yes, we have it...
1774                 AC_MSG_RESULT(yes)
1775                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1776         ], [
1777                 AC_MSG_RESULT(no)
1778         ])
1779
1780         dnl **********************************
1781         dnl *** Check for gethostbyname2_r ***
1782         dnl **********************************
1783         AC_MSG_CHECKING(for gethostbyname2_r)
1784                 AC_TRY_LINK([
1785                 #include <stdio.h>
1786                 #include <netdb.h>
1787         ], [
1788
1789                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1790         ], [
1791                 # Yes, we have it...
1792                 AC_MSG_RESULT(yes)
1793                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1794         ], [
1795                 AC_MSG_RESULT(no)
1796         ])
1797
1798         dnl **********************************
1799         dnl *** Check for gethostbyname2 ***
1800         dnl **********************************
1801         AC_MSG_CHECKING(for gethostbyname2)
1802                 AC_TRY_LINK([
1803                 #include <stdio.h>
1804                 #include <netdb.h>
1805         ], [
1806                 gethostbyname2(NULL,0);
1807         ], [
1808                 # Yes, we have it...
1809                 AC_MSG_RESULT(yes)
1810                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1811         ], [
1812                 AC_MSG_RESULT(no)
1813         ])
1814
1815         dnl **********************************
1816         dnl *** Check for gethostbyname ***
1817         dnl **********************************
1818         AC_MSG_CHECKING(for gethostbyname)
1819                 AC_TRY_LINK([
1820                 #include <stdio.h>
1821                 #include <netdb.h>
1822         ], [
1823                 gethostbyname(NULL);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831
1832         dnl **********************************
1833         dnl *** Check for getprotobyname ***
1834         dnl **********************************
1835         AC_MSG_CHECKING(for getprotobyname)
1836                 AC_TRY_LINK([
1837                 #include <stdio.h>
1838                 #include <netdb.h>
1839         ], [
1840                 getprotobyname(NULL);
1841         ], [
1842                 # Yes, we have it...
1843                 AC_MSG_RESULT(yes)
1844                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1845         ], [
1846                 AC_MSG_RESULT(no)
1847         ])
1848
1849         dnl **********************************
1850         dnl *** Check for getnameinfo ***
1851         dnl **********************************
1852         AC_MSG_CHECKING(for getnameinfo)
1853                 AC_TRY_LINK([
1854                 #include <stdio.h>
1855                 #include <netdb.h>
1856         ], [
1857                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1858         ], [
1859                 # Yes, we have it...
1860                 AC_MSG_RESULT(yes)
1861                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1862         ], [
1863                 AC_MSG_RESULT(no)
1864         ])
1865
1866
1867         dnl **********************************
1868         dnl *** Check for inet_ntop ***
1869         dnl **********************************
1870         AC_MSG_CHECKING(for inet_ntop)
1871                 AC_TRY_LINK([
1872                 #include <stdio.h>
1873                 #include <arpa/inet.h>
1874         ], [
1875                 inet_ntop (0, NULL, NULL, 0);
1876         ], [
1877                 # Yes, we have it...
1878                 AC_MSG_RESULT(yes)
1879                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1880         ], [
1881                 AC_MSG_RESULT(no)
1882         ])
1883
1884         dnl *****************************
1885         dnl *** Checks for libnsl     ***
1886         dnl *****************************
1887         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1888
1889         AC_CHECK_FUNCS(inet_pton inet_aton)
1890
1891         dnl *****************************
1892         dnl *** Checks for libxnet    ***
1893         dnl *****************************
1894         case "${host}" in
1895                 *solaris* )
1896                         AC_MSG_CHECKING(for Solaris XPG4 support)
1897                         if test -f /usr/lib/libxnet.so; then
1898                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1899                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1900                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1901                                 LIBS="$LIBS -lxnet"
1902                                 AC_MSG_RESULT(yes)
1903                         else
1904                                 AC_MSG_RESULT(no)
1905                         fi
1906
1907                         if test "$GCC" = "yes"; then
1908                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1909                         fi
1910                 ;;
1911         esac
1912
1913         dnl *****************************
1914         dnl *** Checks for libpthread ***
1915         dnl *****************************
1916 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1917 # and libpthread does not exist
1918 #
1919         case "${host}" in
1920                 *-*-*haiku*)
1921                         dnl Haiku has pthread in libroot (libc equiv)
1922                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1923                 ;;
1924                 *-*-*freebsd*)
1925                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1926                 ;;
1927                 *-*-*openbsd*)
1928                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1929                 ;;
1930                 *)
1931                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1932                 ;;
1933         esac
1934         AC_CHECK_HEADERS(pthread.h)
1935         AC_CHECK_HEADERS(pthread_np.h)
1936         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1937         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1938         AC_CHECK_FUNCS(pthread_kill)
1939         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1940         AC_TRY_COMPILE([ #include <pthread.h>], [
1941                 pthread_mutexattr_t attr;
1942                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1943         ], [
1944                 AC_MSG_RESULT(ok)
1945         ], [
1946                 AC_MSG_RESULT(no)
1947                 AC_ERROR(Posix system lacks support for recursive mutexes)
1948         ])
1949         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1950         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1951         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1952
1953         dnl **********************************
1954         dnl *** Check for mincore ***
1955         dnl **********************************
1956         AC_MSG_CHECKING(for mincore)
1957                 AC_TRY_LINK([
1958                 #include <stdio.h>
1959                 #include <sys/types.h>
1960                 #include <sys/mman.h>
1961         ], [
1962                 mincore(NULL, 0, NULL);
1963         ], [
1964                 # Yes, we have it...
1965                 AC_MSG_RESULT(yes)
1966                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1967         ], [
1968                 AC_MSG_RESULT(no)
1969         ])
1970
1971         dnl ***********************************
1972         dnl *** Checks for working __thread ***
1973         dnl ***********************************
1974         AC_MSG_CHECKING(for working __thread)
1975         if test "x$with_tls" != "x__thread"; then
1976                 AC_MSG_RESULT(disabled)
1977         elif test "x$cross_compiling" = "xyes"; then
1978                 AC_MSG_RESULT(cross compiling, assuming yes)
1979         else
1980                 AC_TRY_RUN([
1981                         #if defined(__APPLE__) && defined(__clang__)
1982                         #error "__thread does not currently work with clang on Mac OS X"
1983                         #endif
1984                         
1985                         #include <pthread.h>
1986                         __thread int i;
1987                         static int res1, res2;
1988
1989                         void thread_main (void *arg)
1990                         {
1991                                 i = arg;
1992                                 sleep (1);
1993                                 if (arg == 1)
1994                                         res1 = (i == arg);
1995                                 else
1996                                         res2 = (i == arg);
1997                         }
1998
1999                         int main () {
2000                                 pthread_t t1, t2;
2001
2002                                 i = 5;
2003
2004                                 pthread_create (&t1, NULL, thread_main, 1);
2005                                 pthread_create (&t2, NULL, thread_main, 2);
2006
2007                                 pthread_join (t1, NULL);
2008                                 pthread_join (t2, NULL);
2009
2010                                 return !(res1 + res2 == 2);
2011                         }
2012                 ], [
2013                                 AC_MSG_RESULT(yes)
2014                 ], [
2015                                 AC_MSG_RESULT(no)
2016                                 with_tls=pthread
2017                 ])
2018         fi
2019
2020         dnl **************************************
2021         dnl *** Checks for working sigaltstack ***
2022         dnl **************************************
2023         AC_MSG_CHECKING(for working sigaltstack)
2024         if test "x$with_sigaltstack" != "xyes"; then
2025                 AC_MSG_RESULT(disabled)
2026         elif test "x$cross_compiling" = "xyes"; then
2027                 AC_MSG_RESULT(cross compiling, assuming yes)
2028         else
2029                 AC_TRY_RUN([
2030                         #include <stdio.h>
2031                         #include <stdlib.h>
2032                         #include <unistd.h>
2033                         #include <signal.h>
2034                         #include <pthread.h>
2035                         #include <sys/wait.h>
2036                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2037                         #define SA_STACK SA_ONSTACK
2038                         #endif
2039                         static void
2040                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2041                         {
2042                                 exit (0);
2043                         }
2044
2045                         volatile char*__ptr = NULL;
2046                         static void *
2047                         loop (void *ignored)
2048                         {
2049                                 *__ptr = 0;
2050                                 return NULL;
2051                         }
2052
2053                         static void
2054                         child ()
2055                         {
2056                                 struct sigaction sa;
2057                         #ifdef __APPLE__
2058                                 stack_t sas;
2059                         #else
2060                                 struct sigaltstack sas;
2061                         #endif
2062                                 pthread_t id;
2063                                 pthread_attr_t attr;
2064
2065                                 sa.sa_sigaction = sigsegv_signal_handler;
2066                                 sigemptyset (&sa.sa_mask);
2067                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2068                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2069                                         perror ("sigaction");
2070                                         return;
2071                                 }
2072
2073                                 /* x86 darwin deliver segfaults using SIGBUS */
2074                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2075                                         perror ("sigaction");
2076                                         return;
2077                                 }
2078                                 sas.ss_sp = malloc (SIGSTKSZ);
2079                                 sas.ss_size = SIGSTKSZ;
2080                                 sas.ss_flags = 0;
2081                                 if (sigaltstack (&sas, NULL) == -1) {
2082                                         perror ("sigaltstack");
2083                                         return;
2084                                 }
2085
2086                                 pthread_attr_init (&attr);
2087                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2088                                         printf ("pthread_create\n");
2089                                         return;
2090                                 }
2091
2092                                 sleep (100);
2093                         }
2094
2095                         int
2096                         main ()
2097                         {
2098                                 pid_t son;
2099                                 int status;
2100                                 int i;
2101
2102                                 son = fork ();
2103                                 if (son == -1) {
2104                                         return 1;
2105                                 }
2106
2107                                 if (son == 0) {
2108                                         child ();
2109                                         return 0;
2110                                 }
2111
2112                                 for (i = 0; i < 300; ++i) {
2113                                         waitpid (son, &status, WNOHANG);
2114                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2115                                                 return 0;
2116                                         usleep (10000);
2117                                 }
2118
2119                                 kill (son, SIGKILL);
2120                                 return 1;
2121                         }
2122
2123                 ], [
2124                                 AC_MSG_RESULT(yes)
2125                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2126                 ], [
2127                                 with_sigaltstack=no
2128                                 AC_MSG_RESULT(no)
2129                 ])
2130         fi
2131
2132         dnl ********************************
2133         dnl *** Checks for semaphore lib ***
2134         dnl ********************************
2135         # 'Real Time' functions on Solaris
2136         # posix4 on Solaris 2.6
2137         # pthread (first!) on Linux
2138         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2139
2140         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2141         AC_CHECK_FUNCS(shm_open)
2142
2143         dnl ********************************
2144         dnl *** Checks for timezone stuff **
2145         dnl ********************************
2146         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2147                 AC_TRY_COMPILE([
2148                         #include <time.h>
2149                         ], [
2150                         struct tm tm;
2151                         tm.tm_gmtoff = 1;
2152                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2153         if test $ac_cv_struct_tm_gmtoff = yes; then
2154                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2155         else
2156                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2157                         AC_TRY_COMPILE([
2158                                 #include <time.h>
2159                         ], [
2160                                 timezone = 1;
2161                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2162                 if test $ac_cv_var_timezone = yes; then
2163                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2164                 else
2165                         AC_ERROR(unable to find a way to determine timezone)
2166                 fi
2167         fi
2168
2169         dnl *********************************
2170         dnl *** Checks for math functions ***
2171         dnl *********************************
2172         AC_SEARCH_LIBS(sqrtf, m)
2173         if test "x$has_broken_apple_cpp" != "xyes"; then
2174                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2175                         AC_TRY_LINK([#include <math.h>], 
2176                         [ finite(0.0); ], 
2177                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2178                         AC_MSG_RESULT(no)))
2179         fi
2180         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2181                 AC_TRY_LINK([#include <math.h>], 
2182                 [ isfinite(0.0); ], 
2183                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2184                 AC_MSG_RESULT(no)))
2185
2186         dnl ****************************************************************
2187         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2188         dnl *** have it in the library (duh))                            ***
2189         dnl ****************************************************************
2190         AC_CHECK_FUNCS(poll)
2191
2192         dnl *************************
2193         dnl *** Check for signbit ***
2194         dnl *************************
2195         AC_MSG_CHECKING(for signbit)
2196         AC_TRY_LINK([#include <math.h>], [
2197                 int s = signbit(1.0);
2198         ], [
2199                 AC_MSG_RESULT(yes)
2200                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2201         ], [
2202                 AC_MSG_RESULT(no)
2203         ]) 
2204
2205         dnl **********************************
2206         dnl *** epoll                      ***
2207         dnl **********************************
2208         AC_CHECK_HEADERS(sys/epoll.h)
2209         haveepoll=no
2210         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2211         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2212                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2213         fi
2214
2215         havekqueue=no
2216
2217         AC_CHECK_HEADERS(sys/event.h)
2218         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2219
2220         dnl **************************************
2221         dnl * Darwin has a race that prevents us from using reliably:
2222         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2223         dnl * Since kqueue is mostly used for scaling large web servers, 
2224         dnl * and very few folks run Mono on large web servers on OSX, falling
2225         dnl * back 
2226         dnl **************************************
2227         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2228                 if test "x$host_darwin" = "xno"; then
2229                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2230                 fi
2231         fi
2232
2233         dnl ******************************
2234         dnl *** Checks for SIOCGIFCONF ***
2235         dnl ******************************
2236         AC_CHECK_HEADERS(sys/ioctl.h)
2237         AC_CHECK_HEADERS(net/if.h, [], [],
2238            [
2239            #ifdef HAVE_SYS_TYPES_H
2240            # include <sys/types.h>
2241            #endif
2242            #ifdef HAVE_SYS_SOCKET_H
2243            # include <sys/socket.h>
2244            #endif
2245            ])
2246         AC_MSG_CHECKING(for ifreq)
2247         AC_TRY_COMPILE([
2248                 #include <stdio.h>
2249                 #include <sys/ioctl.h>
2250                 #include <net/if.h>
2251                 ], [
2252                 struct ifconf ifc;
2253                 struct ifreq *ifr;
2254                 void *x;
2255                 ifc.ifc_len = 0;
2256                 ifc.ifc_buf = NULL;
2257                 x = (void *) &ifr->ifr_addr;
2258                 ],[
2259                         AC_MSG_RESULT(yes)
2260                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2261                 ], [
2262                         AC_MSG_RESULT(no)
2263                 ])
2264         dnl **********************************
2265         dnl ***     Checks for sin_len     ***
2266         dnl **********************************
2267         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2268         AC_TRY_COMPILE([
2269                 #include <netinet/in.h>
2270                 ], [
2271                 struct sockaddr_in saddr;
2272                 saddr.sin_len = sizeof (saddr);
2273                 ],[
2274                         AC_MSG_RESULT(yes)
2275                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2276                 ], [
2277                         AC_MSG_RESULT(no)
2278                 ])      
2279         dnl **********************************
2280         dnl ***    Checks for sin6_len     ***
2281         dnl **********************************
2282         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2283         AC_TRY_COMPILE([
2284                 #include <netinet/in.h>
2285                 ], [
2286                 struct sockaddr_in6 saddr6;
2287                 saddr6.sin6_len = sizeof (saddr6);
2288                 ],[
2289                         AC_MSG_RESULT(yes)
2290                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2291                 ], [
2292                         AC_MSG_RESULT(no)
2293                 ])
2294         dnl **********************************
2295         dnl *** Check for getifaddrs       ***
2296         dnl **********************************
2297         AC_MSG_CHECKING(for getifaddrs)
2298                 AC_TRY_LINK([
2299                 #include <stdio.h>
2300                 #include <sys/types.h>
2301                 #include <sys/socket.h>
2302                 #include <ifaddrs.h>
2303         ], [
2304                 getifaddrs(NULL);
2305         ], [
2306                 # Yes, we have it...
2307                 AC_MSG_RESULT(yes)
2308                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2309         ], [
2310                 AC_MSG_RESULT(no)
2311         ])
2312         dnl **********************************
2313         dnl *** Check for if_nametoindex   ***
2314         dnl **********************************
2315         AC_MSG_CHECKING(for if_nametoindex)
2316                 AC_TRY_LINK([
2317                 #include <stdio.h>
2318                 #include <sys/types.h>
2319                 #include <sys/socket.h>
2320                 #include <net/if.h>
2321         ], [
2322                 if_nametoindex(NULL);
2323         ], [
2324                 # Yes, we have it...
2325                 AC_MSG_RESULT(yes)
2326                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2327         ], [
2328                 AC_MSG_RESULT(no)
2329         ])
2330                         
2331         dnl **********************************
2332         dnl *** Checks for proclib         ***
2333         dnl **********************************
2334         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.)])
2335         dnl **********************************
2336         dnl *** Checks for MonoPosixHelper ***
2337         dnl **********************************
2338         AC_CHECK_HEADERS(checklist.h)
2339         AC_CHECK_HEADERS(pathconf.h)
2340         AC_CHECK_HEADERS(fstab.h)
2341         AC_CHECK_HEADERS(attr/xattr.h)
2342         AC_CHECK_HEADERS(sys/extattr.h)
2343         AC_CHECK_HEADERS(sys/sendfile.h)
2344         AC_CHECK_HEADERS(sys/statvfs.h)
2345         AC_CHECK_HEADERS(sys/statfs.h)
2346         AC_CHECK_HEADERS(sys/vfstab.h)
2347         AC_CHECK_HEADERS(sys/xattr.h)
2348         AC_CHECK_HEADERS(sys/mman.h)
2349         AC_CHECK_HEADERS(sys/param.h)
2350         AC_CHECK_HEADERS(sys/mount.h, [], [],
2351                 [
2352                 #ifdef HAVE_SYS_PARAM_H
2353                 # include <sys/param.h>
2354                 #endif
2355                 ])
2356         AC_CHECK_HEADERS(sys/mount.h)
2357         AC_CHECK_FUNCS(confstr)
2358         AC_CHECK_FUNCS(seekdir telldir)
2359         AC_CHECK_FUNCS(getdomainname)
2360         AC_CHECK_FUNCS(setdomainname)
2361         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2362         AC_CHECK_FUNCS(setgroups)
2363         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2364         AC_CHECK_FUNCS(getfsstat)
2365         AC_CHECK_FUNCS(lutimes futimes)
2366         AC_CHECK_FUNCS(mremap)
2367         AC_CHECK_FUNCS(remap_file_pages)
2368         AC_CHECK_FUNCS(posix_fadvise)
2369         AC_CHECK_FUNCS(posix_fallocate)
2370         AC_CHECK_FUNCS(posix_madvise)
2371         AC_CHECK_FUNCS(vsnprintf)
2372         AC_CHECK_FUNCS(sendfile)
2373         AC_CHECK_FUNCS(gethostid sethostid)
2374         AC_CHECK_FUNCS(sethostname)
2375         AC_CHECK_FUNCS(statfs)
2376         AC_CHECK_FUNCS(fstatfs)
2377         AC_CHECK_FUNCS(statvfs)
2378         AC_CHECK_FUNCS(fstatvfs)
2379         AC_CHECK_FUNCS(stime)
2380         AC_CHECK_FUNCS(strerror_r)
2381         AC_CHECK_FUNCS(ttyname_r)
2382         AC_CHECK_FUNCS(psignal)
2383         AC_CHECK_FUNCS(getlogin_r)
2384         AC_CHECK_FUNCS(lockf)
2385         AC_CHECK_FUNCS(swab)
2386         AC_CHECK_FUNCS(setusershell endusershell)
2387         AC_CHECK_FUNCS(futimens utimensat)
2388         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2389         AC_CHECK_FUNCS(readv writev preadv pwritev)
2390         AC_CHECK_FUNCS(setpgid)
2391         AC_CHECK_FUNCS(system)
2392         AC_CHECK_FUNCS(fork execv execve)
2393         AC_CHECK_FUNCS(accept4)
2394         AC_CHECK_FUNCS(localtime_r)
2395         AC_CHECK_FUNCS(mkdtemp)
2396         AC_CHECK_SIZEOF(size_t)
2397         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2398                 [#include <sys/types.h>
2399                  #include <sys/stat.h>
2400                  #include <unistd.h>])
2401         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2402                 [#include <sys/types.h>
2403                  #include <sys/stat.h>
2404                  #include <unistd.h>])
2405         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2406                 [#include <sys/time.h>])
2407         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2408                 [#include <sys/socket.h>])
2409         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2410                 [#include <unistd.h>
2411                  #include <fcntl.h>])
2412         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2413                 [#include <sys/uio.h>])
2414         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2415                 [#include <sys/socket.h>])
2416         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2417                 [#include <sys/poll.h>])
2418         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2419                 [#include <sys/socket.h>])
2420         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2421                 [#include <sys/socket.h>])
2422         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2423                 [#include <netinet/in.h>])
2424         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2425                 [#include <netinet/in.h>])
2426         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2427                 [#include <sys/un.h>])
2428         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2429                 [#include <sys/types.h>
2430                  #include <sys/stat.h>
2431                  #include <unistd.h>])
2432         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2433                 [#include <time.h>])
2434         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2435                 [#include <sys/time.h>
2436                  #include <sys/types.h>
2437                  #include <utime.h>])
2438         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2439                 [#include <sys/time.h>])
2440         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2441                 [#include <sys/types.h>
2442                  #include <utime.h>])
2443         AC_CHECK_MEMBERS(
2444                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2445                 [#include <sys/types.h>
2446                  #include <dirent.h>])
2447         AC_CHECK_MEMBERS(
2448                 [struct passwd.pw_gecos],,, 
2449                 [#include <sys/types.h>
2450                  #include <pwd.h>])
2451         AC_CHECK_MEMBERS(
2452                 [struct statfs.f_flags],,, 
2453                 [#include <sys/types.h>
2454                  #include <sys/vfs.h>])
2455         AC_CHECK_MEMBERS(
2456                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2457                 [#include <sys/types.h>
2458                  #include <sys/stat.h>
2459                  #include <unistd.h>])
2460
2461         dnl Favour xattr through glibc, but use libattr if we have to
2462         AC_CHECK_FUNC(lsetxattr, ,
2463                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2464         )
2465         AC_SUBST(XATTR_LIB)
2466
2467         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2468         AC_CHECK_MEMBERS(
2469                 [struct kinfo_proc.kp_proc],,, 
2470                 [#include <sys/types.h>
2471                  #include <sys/param.h>
2472                  #include <sys/sysctl.h>
2473                  #include <sys/proc.h>
2474                  ])
2475
2476         dnl *********************************
2477         dnl *** Checks for Windows compilation ***
2478         dnl *********************************
2479         AC_CHECK_HEADERS(sys/time.h)
2480         AC_CHECK_HEADERS(sys/param.h)
2481         AC_CHECK_HEADERS(dirent.h)
2482
2483         dnl ******************************************
2484         dnl *** Checks for OSX and iOS compilation ***
2485         dnl ******************************************
2486         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2487
2488         dnl *********************************
2489         dnl *** Check for Console 2.0 I/O ***
2490         dnl *********************************
2491         AC_CHECK_HEADERS([curses.h])
2492         AC_CHECK_HEADERS([term.h], [], [],
2493         [#if HAVE_CURSES_H
2494          #include <curses.h>
2495          #endif
2496         ])
2497         AC_CHECK_HEADERS([termios.h])
2498 else
2499         dnl *********************************
2500         dnl *** Checks for Windows compilation ***
2501         dnl *********************************
2502         AC_CHECK_HEADERS(winternl.h)
2503
2504         jdk_headers_found=no
2505         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2506         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2507         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2508         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2509         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2510         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2511         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2512
2513         dnl *********************************
2514         dnl *** Check for struct ip_mreqn ***
2515         dnl *********************************
2516         AC_MSG_CHECKING(for struct ip_mreqn)
2517         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2518                 struct ip_mreqn mreq;
2519                 mreq.imr_address.s_addr = 0;
2520         ], [
2521                 # Yes, we have it...
2522                 AC_MSG_RESULT(yes)
2523                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2524         ], [
2525                 # We'll just have to try and use struct ip_mreq
2526                 AC_MSG_RESULT(no)
2527                 AC_MSG_CHECKING(for struct ip_mreq)
2528                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2529                         struct ip_mreq mreq;
2530                         mreq.imr_interface.s_addr = 0;
2531                 ], [
2532                         # Yes, we have it...
2533                         AC_MSG_RESULT(yes)
2534                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2535                 ], [
2536                         # No multicast support
2537                         AC_MSG_RESULT(no)
2538                 ])
2539         ])
2540
2541         dnl **********************************
2542         dnl *** Check for getaddrinfo ***
2543         dnl **********************************
2544         AC_MSG_CHECKING(for getaddrinfo)
2545                 AC_TRY_LINK([
2546                 #include <stdio.h>
2547                 #include <winsock2.h>
2548                 #include <ws2tcpip.h>
2549         ], [
2550                 getaddrinfo(NULL,NULL,NULL,NULL);
2551         ], [
2552                 # Yes, we have it...
2553                 AC_MSG_RESULT(yes)
2554                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2555         ], [
2556                 AC_MSG_RESULT(no)
2557         ])
2558
2559         dnl **********************************
2560         dnl *** Check for gethostbyname ***
2561         dnl **********************************
2562         AC_MSG_CHECKING(for gethostbyname)
2563                 AC_TRY_LINK([
2564                 #include <stdio.h>
2565                 #include <winsock2.h>
2566                 #include <ws2tcpip.h>
2567         ], [
2568                 gethostbyname(NULL);
2569         ], [
2570                 # Yes, we have it...
2571                 AC_MSG_RESULT(yes)
2572                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2573         ], [
2574                 AC_MSG_RESULT(no)
2575         ])
2576
2577         dnl **********************************
2578         dnl *** Check for getprotobyname ***
2579         dnl **********************************
2580         AC_MSG_CHECKING(for getprotobyname)
2581                 AC_TRY_LINK([
2582                 #include <stdio.h>
2583                 #include <winsock2.h>
2584                 #include <ws2tcpip.h>
2585         ], [
2586                 getprotobyname(NULL);
2587         ], [
2588                 # Yes, we have it...
2589                 AC_MSG_RESULT(yes)
2590                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2591         ], [
2592                 AC_MSG_RESULT(no)
2593         ])
2594
2595         dnl **********************************
2596         dnl *** Check for getnameinfo ***
2597         dnl **********************************
2598         AC_MSG_CHECKING(for getnameinfo)
2599                 AC_TRY_LINK([
2600                 #include <stdio.h>
2601                 #include <winsock2.h>
2602                 #include <ws2tcpip.h>
2603         ], [
2604                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2605         ], [
2606                 # Yes, we have it...
2607                 AC_MSG_RESULT(yes)
2608                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2609         ], [
2610                 AC_MSG_RESULT(no)
2611         ])
2612
2613         dnl **********************************
2614         dnl *** Check for inet_ntop ***
2615         dnl **********************************
2616         AC_MSG_CHECKING(for inet_ntop)
2617                 AC_TRY_LINK([
2618                 #include <stdio.h>
2619                 #include <winsock2.h>
2620                 #include <ws2tcpip.h>
2621         ], [
2622                 inet_ntop (0, NULL, NULL, 0);
2623         ], [
2624                 # Yes, we have it...
2625                 AC_MSG_RESULT(yes)
2626                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2627         ], [
2628                 AC_MSG_RESULT(no)
2629         ])
2630
2631         dnl **********************************
2632         dnl *** Check for inet_pton ***
2633         dnl **********************************
2634         AC_MSG_CHECKING(for inet_pton)
2635                 AC_TRY_LINK([
2636                 #include <stdio.h>
2637                 #include <winsock2.h>
2638                 #include <ws2tcpip.h>
2639         ], [
2640                 #ifndef inet_pton
2641                 (void) inet_pton;
2642                 #endif
2643                 inet_pton (0, NULL, NULL);
2644         ], [
2645                 # Yes, we have it...
2646                 AC_MSG_RESULT(yes)
2647                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2648         ], [
2649                 AC_MSG_RESULT(no)
2650         ])
2651
2652         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2653         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2654         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2655         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2656         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2657         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2658         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2659 fi
2660
2661 dnl socklen_t check
2662 AC_MSG_CHECKING(for socklen_t)
2663 AC_TRY_COMPILE([
2664 #include <sys/types.h>
2665 #include <sys/socket.h>
2666 ],[
2667   socklen_t foo;
2668 ],[
2669 ac_cv_c_socklen_t=yes
2670         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2671         AC_MSG_RESULT(yes)
2672 ],[
2673         AC_MSG_RESULT(no)
2674 ])
2675
2676 AC_MSG_CHECKING(for array element initializer support)
2677 AC_TRY_COMPILE([#include <sys/socket.h>], [
2678         const int array[] = {[1] = 2,};
2679 ], [
2680         # Yes, we have it...
2681         AC_MSG_RESULT(yes)
2682         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2683 ], [
2684         # We'll have to use signals
2685         AC_MSG_RESULT(no)
2686 ])
2687
2688 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2689         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2690         AC_TRY_LINK([#include <math.h>], 
2691         [ static void *p = &trunc; ],
2692         [
2693                 AC_DEFINE(HAVE_TRUNC) 
2694                 AC_MSG_RESULT(yes)
2695                 ac_cv_trunc=yes
2696         ],
2697         AC_MSG_RESULT(no)))
2698
2699 if test "x$ac_cv_truncl" != "xyes"; then
2700    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2701 fi
2702
2703 AC_CHECK_FUNCS(execvp)
2704
2705 dnl ****************************
2706 dnl *** Look for /dev/random ***
2707 dnl ****************************
2708
2709 AC_MSG_CHECKING([if usage of random device is requested])
2710 AC_ARG_ENABLE(dev-random,
2711 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2712 try_dev_random=$enableval, try_dev_random=yes)
2713
2714 AC_MSG_RESULT($try_dev_random)
2715
2716 case "{$build}" in
2717     *-openbsd*)
2718     NAME_DEV_RANDOM="/dev/srandom"
2719     ;;
2720
2721 dnl Win32 does not have /dev/random, they have their own method...
2722
2723     *-mingw*|*-*-cygwin*)
2724     ac_cv_have_dev_random=no
2725     ;;
2726
2727 dnl Everywhere else, it's /dev/random
2728
2729     *)
2730     NAME_DEV_RANDOM="/dev/random"
2731     ;;
2732 esac
2733
2734 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2735
2736 dnl Now check if the device actually exists
2737
2738 if test "x$try_dev_random" = "xyes"; then
2739     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2740     [if test -r "$NAME_DEV_RANDOM" ; then
2741         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2742     if test "x$ac_cv_have_dev_random" = "xyes"; then
2743         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2744     fi
2745 else
2746     AC_MSG_CHECKING(for random device)
2747     ac_cv_have_dev_random=no
2748     AC_MSG_RESULT(has been disabled)
2749 fi
2750
2751 if test "x$host_win32" = "xyes"; then
2752     AC_DEFINE(HAVE_CRYPT_RNG)
2753 fi
2754
2755 if test "x$ac_cv_have_dev_random" = "xno" \
2756     && test "x$host_win32" = "xno"; then
2757     AC_MSG_WARN([[
2758 ***
2759 *** A system-provided entropy source was not found on this system.
2760 *** Because of this, the System.Security.Cryptography random number generator
2761 *** will throw a NotImplemented exception.
2762 ***
2763 *** If you are seeing this message, and you know your system DOES have an
2764 *** entropy collection in place, please contact <crichton@gimp.org> and
2765 *** provide information about the system and how to access the random device.
2766 ***
2767 *** Otherwise you can install either egd or prngd and set the environment
2768 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2769 ***]])
2770 fi
2771
2772 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2773
2774 AC_MSG_CHECKING([if big-arrays are to be enabled])
2775 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2776 if test "x$enable_big_arrays" = "xyes" ; then
2777     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2778         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2779     else
2780         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2781     fi
2782 fi
2783 AC_MSG_RESULT($enable_big_arrays)
2784
2785 dnl **************
2786 dnl *** DTRACE ***
2787 dnl **************
2788
2789 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2790
2791 if test "x$enable_dtrace" = "xyes"; then
2792    if test "x$has_dtrace" = "xno"; then
2793           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2794    fi
2795    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2796    if test "x$DTRACE" = "xno"; then
2797           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2798           enable_dtrace=no
2799    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2800           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2801           enable_dtrace=no
2802    fi
2803 fi
2804
2805 dtrace_g=no
2806 if test "x$enable_dtrace" = "xyes"; then
2807         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2808         DTRACEFLAGS=
2809         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2810                 case "$host" in
2811                         powerpc-*-darwin*)
2812                         DTRACEFLAGS="-arch ppc64"
2813                         ;;
2814                         i*86-*-darwin*)
2815                         DTRACEFLAGS="-arch x86_64"
2816                         ;;
2817                         *)
2818                         DTRACEFLAGS=-64
2819                         ;;
2820                 esac
2821         else
2822                 case "$host" in
2823                         powerpc-*-darwin*)
2824                         DTRACEFLAGS="-arch ppc"
2825                         ;;
2826                         i*86-*-darwin*)
2827                         DTRACEFLAGS="-arch i386"
2828                         ;;
2829                         *)
2830                         DTRACEFLAGS=-32
2831                         ;;
2832                 esac
2833         fi
2834         AC_SUBST(DTRACEFLAGS)
2835         case "$host" in
2836                 *-*-solaris*)
2837                 dtrace_g=yes
2838                 ;;
2839         esac
2840         AC_CHECK_HEADERS([sys/sdt.h])
2841 fi
2842 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2843 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2844
2845 dnl **************************
2846 dnl *** AOT cross offsets  ***
2847 dnl **************************
2848
2849 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2850     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2851
2852 dnl **************
2853 dnl ***  LLVM  ***
2854 dnl **************
2855
2856 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2857 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2858 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2859 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2860
2861 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2862
2863 if test "x$enable_llvm" = "xdefault"; then
2864    enable_llvm=$enable_llvm_default
2865 fi
2866
2867 if test "x$enable_llvm" = "xyes"; then
2868    if test "x$with_llvm" != "x"; then
2869           LLVM_CONFIG=$with_llvm/bin/llvm-config
2870           if test x$host_win32 = xyes; then
2871                 LLVM_CONFIG=$LLVM_CONFIG.exe
2872           fi
2873           if test ! -x $LLVM_CONFIG; then
2874                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2875       fi
2876    else
2877       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2878       if test "x$LLVM_CONFIG" = "xno"; then
2879              AC_MSG_ERROR([llvm-config not found.])
2880       fi
2881    fi
2882
2883    llvm_codegen="x86codegen"
2884    case "$target" in
2885    arm*)
2886                 llvm_codegen="armcodegen"
2887                 ;;
2888    esac
2889
2890    if test "x$host_win32" = "xno"; then
2891
2892    # Should be something like '2.6' or '2.7svn'
2893    llvm_version=`$LLVM_CONFIG --version`
2894    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2895    AC_MSG_CHECKING(LLVM version)
2896    AC_MSG_RESULT($llvm_version $llvm_api_version)
2897    if echo $llvm_version | grep -q 'mono'; then
2898           if test "x$enable_llvm_version_check" = "xyes"; then
2899                  if test "$llvm_version" != "$expected_llvm_version"; then
2900                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2901                  fi
2902           fi
2903    else
2904           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.])
2905    fi
2906
2907    # The output of --cflags seems to include optimizations flags too
2908    if test $llvm_api_version -gt 100; then
2909           # The --cflags argument includes all kinds of warnings -pendantic etc.
2910           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2911           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2912    else
2913           LLVM_CFLAGS=`$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'`
2914       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2915    fi
2916    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2917    # from LLVM classes.
2918    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2919    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2920    # This might include empty lines
2921    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2922    llvm_jit_supported=yes
2923    llvm_jit_libs="jit mcjit $llvm_codegen"
2924    if test "x$host" != "x$target"; then
2925       # No need for jit libs
2926           llvm_jit_supported=no
2927       llvm_jit_libs=""
2928    elif test $llvm_api_version -gt 100; then
2929       llvm_jit_libs="orcjit $llvm_codegen"
2930    fi
2931    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2932    if test "x$LLVM_LIBS" = "x"; then
2933           echo "$LLVM_CONFIG --libs failed."
2934           exit 1
2935    fi
2936    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2937    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2938    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2939       LLVM_LIBS="$LLVM_LIBS -lc++"
2940    else
2941       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2942    fi
2943
2944    expected_llvm_version="3.4svn-mono-mono/e656cac"
2945
2946    else
2947        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2948        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2949        LLVM_LDFLAGS="-L$with_llvm/lib"
2950        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2951        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2952          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2953          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2954          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2955          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2956          -lLLVMAnalysis -lLLVMTarget \
2957          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2958          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2959          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2960          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2961          -lLLVMSupport -lstdc++"
2962        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2963
2964        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2965        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2966    fi  
2967
2968    if test "x$llvm_api_version" = "x"; then
2969           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2970           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2971    else
2972           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2973           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2974    fi   
2975
2976    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2977
2978    AC_SUBST(LLVM_CFLAGS)
2979    AC_SUBST(LLVM_CXXFLAGS)
2980    AC_SUBST(LLVM_LIBS)
2981    AC_SUBST(LLVM_LDFLAGS)
2982    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2983 fi
2984
2985 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2986 if test "x$enable_loadedllvm" = "xyes"; then
2987    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2988 fi
2989 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2990
2991 if test "x$enable_llvm" = "xyes"; then
2992    enable_llvm_runtime=yes
2993 fi
2994 if test "x$enable_llvm_runtime" = "xyes"; then
2995    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2996 fi
2997 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2998
2999 TARGET="unknown"
3000 ACCESS_UNALIGNED="yes"
3001
3002 LIBC="libc.so.6"
3003 INTL="libc.so.6"
3004 SQLITE="libsqlite.so.0"
3005 SQLITE3="libsqlite3.so.0"
3006 X11="libX11.so"
3007 GDKX11="libgdk-x11-2.0.so.0"
3008 GTKX11="libgtk-x11-2.0.so.0"
3009 XINERAMA="libXinerama.so.1"
3010
3011 sizeof_register="SIZEOF_VOID_P"
3012
3013 jit_wanted=true
3014 boehm_supported=true
3015 BTLS_SUPPORTED=no
3016 BTLS_PLATFORM=
3017 case "$host" in
3018         mips*)
3019                 TARGET=MIPS;
3020                 arch_target=mips;
3021                 with_tls=pthread;
3022                 ACCESS_UNALIGNED="no"
3023
3024                 AC_MSG_CHECKING(for mips n32)
3025                 AC_TRY_COMPILE([],[
3026                 #if _MIPS_SIM != _ABIN32
3027                 #error Not mips n32
3028                 #endif
3029                 return 0;
3030                 ],[
3031                 AC_MSG_RESULT(yes)
3032                 sizeof_register=8
3033                 ],[
3034                 AC_MSG_RESULT(no)
3035                 ])
3036                 ;;
3037         i*86-*-*)
3038                 TARGET=X86;
3039                 arch_target=x86;
3040                 case $host_os in
3041                   solaris*)
3042                         LIBC="libc.so"
3043                         INTL="libintl.so"
3044                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3045                                 TARGET=AMD64
3046                                 arch_target=amd64
3047                         fi
3048
3049                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3050                         # int astruct __attribute__ ((visibility ("hidden")));
3051                         # void foo ()
3052                         # {
3053                         #       void *p = &astruct;
3054                         # }
3055                         # gcc -fPIC --shared -o libfoo.so foo.c
3056                         # yields:
3057                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3058                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3059                         have_visibility_hidden=no
3060                         ;;
3061                   mingw*|cygwin*)
3062                         have_visibility_hidden=no                 
3063                         ;;
3064                   haiku*)
3065                         LIBC=libroot.so
3066                         ;;
3067                   linux*)
3068                         AOT_SUPPORTED="yes"
3069                         BTLS_SUPPORTED=yes
3070                         BTLS_PLATFORM=i386
3071                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3072                         ;;
3073                   darwin*)
3074                         AOT_SUPPORTED="yes"
3075                         BTLS_SUPPORTED=yes
3076                         BTLS_PLATFORM=i386
3077                         ;;
3078                   openbsd*|freebsd*|kfreebsd-gnu*)
3079                         ;;
3080                 esac
3081                 ;;
3082         x86_64-*-* | amd64-*-*)
3083                 TARGET=AMD64;
3084                 arch_target=amd64;
3085                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3086                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3087                         sizeof_register=8
3088                 fi
3089                 case $host_os in
3090                   linux*)
3091                         AOT_SUPPORTED="yes"
3092                         BTLS_SUPPORTED=yes
3093                         BTLS_PLATFORM=x86_64
3094                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3095                         ;;
3096                   darwin*)
3097                         AOT_SUPPORTED="yes"
3098                         BTLS_SUPPORTED=yes
3099                         BTLS_PLATFORM=x86_64
3100                         boehm_supported=false
3101                         ;;
3102                   openbsd*|freebsd*|kfreebsd-gnu*)
3103                         ;;
3104                   mingw*)
3105                         ;;
3106                 esac
3107                 ;;
3108         sparc*-*-*)
3109                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3110                    TARGET=SPARC64
3111                 else
3112                         TARGET=SPARC
3113                 fi
3114                 arch_target=sparc;
3115                 ACCESS_UNALIGNED="no"
3116                 case $host_os in
3117                   linux*) ;;
3118                   *)
3119                         LIBC="libc.so"
3120                         INTL="libintl.so"
3121                 esac
3122                 if test x"$GCC" = xyes; then
3123                         # We don't support v8 cpus
3124                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3125                 fi
3126                 if test x"$AR" = xfalse; then
3127                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3128                 fi
3129                 ;;
3130         *-mingw*|*-*-cygwin*)
3131                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3132                 have_visibility_hidden=no
3133                 INTL="intl"
3134                 ;;
3135         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3136         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3137                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3138                         TARGET=POWERPC64;
3139                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3140                         CFLAGS="$CFLAGS -mminimal-toc"
3141                 else
3142                         TARGET=POWERPC;
3143                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3144                 fi
3145                 arch_target=ppc;
3146                 case $host_os in
3147                   linux*|darwin*)
3148                         ;;
3149                 esac
3150                 ;;
3151         armv7k-*-darwin*)
3152                 TARGET=ARM;
3153                 TARGET_SYS=WATCHOS
3154                 arch_target=arm;
3155                 arm_fpu=VFP_HARD
3156                 ACCESS_UNALIGNED="no"
3157                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3158                 ;;
3159
3160         arm*-darwin*)
3161                 TARGET=ARM;
3162                 arch_target=arm;
3163                 ACCESS_UNALIGNED="no"
3164                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3165                 ;;
3166         arm*-linux*)
3167                 TARGET=ARM;
3168                 arch_target=arm;
3169                 ACCESS_UNALIGNED="no"
3170                 AOT_SUPPORTED="yes"
3171                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3172                 BTLS_SUPPORTED=yes
3173                 BTLS_PLATFORM=arm
3174                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3175                 case "$target" in
3176                 arm*-linux*-gnueabi)
3177                         BTLS_PLATFORM=armsoft
3178                         ;;
3179                 esac
3180                 ;;
3181         arm*-netbsd*-eabi*)
3182                 TARGET=ARM;
3183                 arch_target=arm;
3184                 ACCESS_UNALIGNED="no"
3185                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3186                 ;;
3187         aarch64-*)
3188                 # https://lkml.org/lkml/2012/7/15/133
3189                 TARGET=ARM64
3190                 arch_target=arm64
3191                 boehm_supported=false
3192                 AOT_SUPPORTED="yes"
3193                 BTLS_SUPPORTED=yes
3194                 BTLS_PLATFORM=aarch64
3195                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3196                 ;;
3197         s390x-*-linux*)
3198                 TARGET=S390X;
3199                 arch_target=s390x;
3200                 ACCESS_UNALIGNED="yes"
3201                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3202                 ;;
3203 esac
3204
3205 HOST=$TARGET
3206
3207 if test "x$host" != "x$target"; then
3208    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3209    enable_mcs_build=no
3210    BTLS_SUPPORTED=no
3211    case "$target" in
3212    arm*-darwin*)
3213                 TARGET=ARM;
3214                 arch_target=arm;
3215                 ACCESS_UNALIGNED="no"
3216                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3217                 # Can't use tls, since it depends on the runtime detection of tls offsets
3218                 # in mono-compiler.h
3219                 with_tls=pthread
3220                 case "$target" in
3221                 armv7k-*)
3222                         arm_fpu=VFP_HARD
3223                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3224                         ;;
3225                 esac            
3226                 ;;
3227    powerpc64-ps3-linux-gnu)
3228                 TARGET=POWERPC64
3229                 arch_target=powerpc64
3230                 AC_DEFINE(TARGET_PS3, 1, [...])
3231                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3232                 # uses this define
3233                 AC_DEFINE(__mono_ppc64__, 1, [...])
3234                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3235                 sizeof_register=8
3236                 target_byte_order=G_BIG_ENDIAN
3237                 ;;
3238    powerpc64-xbox360-linux-gnu)
3239                 TARGET=POWERPC64
3240                 arch_target=powerpc64
3241                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3242                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3243                 # uses this define
3244                 sizeof_register=8
3245                 target_byte_order=G_BIG_ENDIAN
3246                 ;;
3247    arm*-linux-*)
3248                 TARGET=ARM;
3249                 arch_target=arm;
3250                 AC_DEFINE(TARGET_ARM, 1, [...])
3251                 ACCESS_UNALIGNED="no"
3252                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3253                 # Can't use tls, since it depends on the runtime detection of tls offsets
3254                 # in mono-compiler.h
3255                 with_tls=pthread
3256                 target_mach=no
3257                 case "$target" in
3258                 armv7l-unknown-linux-gnueabi*)
3259                         # TEGRA
3260                         CPPFLAGS="$CPPFLAGS"
3261                         ;;
3262                 armv5-*-linux-androideabi*)
3263                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3264                         CPPFLAGS="$CPPFLAGS"
3265                         ;;
3266                 *-linux-androideabi*)
3267                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3268                         CPPFLAGS="$CPPFLAGS"
3269                         ;;
3270                 esac
3271                 ;;
3272    arm*-netbsd*-eabi*)
3273                 TARGET=ARM;
3274                 arch_target=arm;
3275                 AC_DEFINE(TARGET_ARM, 1, [...])
3276                 ACCESS_UNALIGNED="no"
3277                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3278                 # Can't use tls, since it depends on the runtime detection of tls offsets
3279                 # in mono-compiler.h
3280                 with_tls=pthread
3281                 target_mach=no
3282                 ;;
3283    i686*-linux-*)
3284                 TARGET=X86;
3285                 arch_target=x86;
3286                 AC_DEFINE(TARGET_X86, 1, [...])
3287                 CPPFLAGS="$CPPFLAGS"
3288                 # Can't use tls, since it depends on the runtime detection of tls offsets
3289                 # in mono-compiler.h            
3290                 with_tls=pthread
3291                 target_mach=no
3292
3293                 case "$target" in
3294                 *-linux-android*)
3295                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3296                         ;;
3297                 esac
3298                 ;;
3299    x86_64*-linux-*)
3300                 TARGET=AMD64;
3301                 arch_target=amd64;
3302                 AC_DEFINE(TARGET_AMD64, 1, [...])
3303                 CPPFLAGS="$CPPFLAGS"
3304                 # Can't use tls, since it depends on the runtime detection of tls offsets
3305                 # in mono-compiler.h
3306                 with_tls=pthread
3307                 target_mach=no
3308
3309                 case "$target" in
3310                 *-linux-android*)
3311                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3312                         ;;
3313                 esac
3314                 ;;
3315    x86_64-ps4-freebsd)
3316                 TARGET=AMD64;
3317                 arch_target=amd64;
3318                 AC_DEFINE(TARGET_AMD64, 1, [...])
3319                 AC_DEFINE(TARGET_PS4, 1, [...])
3320                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3321                 CPPFLAGS="$CPPFLAGS"
3322                 # Can't use tls, since it depends on the runtime detection of tls offsets
3323                 # in mono-compiler.h
3324                 with_tls=pthread
3325                 target_mach=no
3326                 target_win32=no
3327                 ;;
3328    aarch64*-linux-*)
3329                 TARGET=ARM64;
3330                 arch_target=arm64;
3331                 AC_DEFINE(TARGET_ARM64, 1, [...])
3332                 CPPFLAGS="$CPPFLAGS"
3333                 # Can't use tls, since it depends on the runtime detection of tls offsets
3334                 # in mono-compiler.h
3335                 with_tls=pthread
3336                 target_mach=no
3337                 case "$target" in
3338                 *-linux-android*)
3339                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3340                         ;;
3341                 esac
3342                 ;;
3343         aarch64-*)
3344                 TARGET=ARM64
3345                 ;;
3346         *)
3347                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3348         esac
3349 fi
3350
3351 case "$TARGET" in
3352 X86)
3353         AC_DEFINE(TARGET_X86, 1, [...])
3354         ;;
3355 AMD64)
3356         AC_DEFINE(TARGET_AMD64, 1, [...])
3357         ;;
3358 ARM)
3359         AC_DEFINE(TARGET_ARM, 1, [...])
3360         ;;
3361 ARM64)
3362         AC_DEFINE(TARGET_ARM64, 1, [...])
3363         ;;
3364 POWERPC)
3365         AC_DEFINE(TARGET_POWERPC, 1, [...])
3366         ;;
3367 POWERPC64)
3368         AC_DEFINE(TARGET_POWERPC, 1, [...])
3369         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3370         ;;
3371 S390X)
3372         AC_DEFINE(TARGET_S390X, 1, [...])
3373         ;;
3374 MIPS)
3375         AC_DEFINE(TARGET_MIPS, 1, [...])
3376         ;;
3377 SPARC)
3378         AC_DEFINE(TARGET_SPARC, 1, [...])
3379         ;;
3380 SPARC64)
3381         AC_DEFINE(TARGET_SPARC64, 1, [...])
3382         ;;
3383 esac
3384
3385 case "$HOST" in
3386 X86)
3387         AC_DEFINE(HOST_X86, 1, [...])
3388         ;;
3389 AMD64)
3390         AC_DEFINE(HOST_AMD64, 1, [...])
3391         ;;
3392 ARM)
3393         AC_DEFINE(HOST_ARM, 1, [...])
3394         ;;
3395 ARM64)
3396         AC_DEFINE(HOST_ARM64, 1, [...])
3397         ;;
3398 POWERPC)
3399         AC_DEFINE(HOST_POWERPC, 1, [...])
3400         ;;
3401 POWERPC64)
3402         AC_DEFINE(HOST_POWERPC, 1, [...])
3403         AC_DEFINE(HOST_POWERPC64, 1, [...])
3404         ;;
3405 S390X)
3406         AC_DEFINE(HOST_S390X, 1, [...])
3407         ;;
3408 MIPS)
3409         AC_DEFINE(HOST_MIPS, 1, [...])
3410         ;;
3411 SPARC)
3412         AC_DEFINE(HOST_SPARC, 1, [...])
3413         ;;
3414 SPARC64)
3415         AC_DEFINE(HOST_SPARC64, 1, [...])
3416         ;;
3417 esac
3418
3419
3420
3421 dnl *************
3422 dnl *** VTUNE ***
3423 dnl *************
3424
3425 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3426 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3427
3428 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3429
3430 if test "x$enable_vtune" = "xyes"; then
3431         if test "x$with_vtune" = "x"; then
3432                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3433         else
3434                 VTUNE_PATH=$with_vtune
3435         fi
3436         VTUNE_INCLUDE=$VTUNE_PATH/include
3437         case "$TARGET" in
3438         X86)
3439                 VTUNE_LIB=$VTUNE_PATH/lib32
3440                 ;;
3441         AMD64)
3442                 VTUNE_LIB=$VTUNE_PATH/lib64
3443                 ;;
3444         *)
3445                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3446                 ;;
3447         esac
3448         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3449                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3450         fi
3451         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3452                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3453         fi
3454
3455         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3456         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3457
3458         AC_SUBST(VTUNE_LIBS)
3459         AC_SUBST(VTUNE_CFLAGS)
3460 fi
3461 dnl Use GCC atomic ops if they work on the target.
3462 if test x$GCC = "xyes"; then
3463         case $TARGET in
3464         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3465                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3466                 ;;
3467         esac
3468 fi
3469
3470 if test "x$target_mach" = "xyes"; then
3471
3472    if test "x$TARGET_SYS" = "xWATCHOS"; then
3473           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3474           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3475           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3476           BTLS_SUPPORTED=no
3477    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3478           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3479           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3480           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3481           BTLS_SUPPORTED=no
3482    else
3483        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3484        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3485        #error fail this for ios
3486        #endif
3487        return 0;
3488        ], [
3489                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3490           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3491           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3492           target_osx=yes
3493        ], [
3494           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3495           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3496           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3497           BTLS_SUPPORTED=no
3498        ])
3499         fi
3500    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3501 fi
3502
3503 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3504
3505 if test "x$sizeof_register" = "x4"; then
3506    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3507 elif test "x$sizeof_register" = "x8"; then
3508    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3509 else
3510    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3511 fi
3512
3513 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3514    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3515 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3516    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3517 else
3518    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3519 fi
3520
3521 if test "x$have_visibility_hidden" = "xyes"; then
3522    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3523 fi
3524
3525 if test "x$have_deprecated" = "xyes"; then
3526    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3527 fi
3528
3529 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3530
3531 if test "x$enable_interpreter" = "xyes"; then
3532         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3533 fi
3534
3535 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3536
3537 if test "x$enable_interpreter" = "xyes" || test "x$mono_feature_disable_jit" != "xyes"; then
3538         AC_DEFINE(HAVE_ONLINE_VES, 1, [Some VES is available at runtime])
3539 fi
3540
3541 AM_CONDITIONAL(HAVE_ONLINE_VES, [test x$enable_interpreter = xyes] || [test x$mono_feature_disable_jit != xyes])
3542
3543 dnl 
3544 dnl Simple Generational checks (sgen)
3545 dnl
3546 SGEN_DEFINES=
3547 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3548 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3549 if test x$buildsgen = xyes; then
3550    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3551    SGEN_DEFINES="-DHAVE_SGEN_GC"
3552
3553         conc_gc_msg=""
3554    if test x$with_sgen_default_concurrent != xno; then
3555        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3556            conc_gc_msg=" (concurrent by default)"
3557    fi
3558
3559    if test "x$gc_msg" = "x"; then
3560       gc_msg="sgen$conc_gc_msg"
3561    else
3562       gc_msg="sgen$conc_gc_msg and $gc_msg"
3563    fi
3564 fi
3565 AC_SUBST(SGEN_DEFINES)
3566 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3567
3568 jit_status="Building and using the JIT"
3569
3570 libsuffix=".so"
3571
3572 case "$host" in
3573      *-*-darwin*)
3574         libsuffix=".dylib"
3575         LIBC="libc.dylib"
3576         INTL="libintl.dylib"
3577         SQLITE="libsqlite.0.dylib"
3578         SQLITE3="libsqlite3.0.dylib"
3579         X11="libX11.dylib"
3580         GDKX11="libgdk-x11-2.0.dylib"
3581         GTKX11="libgtk-x11-2.0.dylib"
3582         ;;
3583      *-*-*netbsd*)
3584         LIBC="libc.so"
3585         INTL="libintl.so"
3586         SQLITE="libsqlite.so"
3587         SQLITE3="libsqlite3.so"
3588         ;;
3589      *-*-kfreebsd*-gnu)
3590         LIBC="libc.so.0.1"
3591         INTL="libc.so.0.1"
3592         X11="libX11.so.6"
3593         ;;
3594     *-*-*freebsd*)
3595         LIBC="libc.so.7"
3596         INTL="libintl.so"
3597         SQLITE="libsqlite.so"
3598         SQLITE3="libsqlite3.so"
3599         ;;
3600     *-*-*openbsd*)
3601         LIBC="libc.so"
3602         INTL="libintl.so"
3603         SQLITE="libsqlite.so"
3604         SQLITE3="libsqlite3.so"
3605         ;;
3606     *-*-*linux*)
3607         AC_PATH_X
3608         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3609         AC_MSG_CHECKING(for the soname of libX11.so)
3610         for i in $x_libraries $dlsearch_path; do
3611                 for r in 4 5 6; do
3612                         if test -f $i/libX11.so.$r; then
3613                                 X11=libX11.so.$r
3614                                 AC_MSG_RESULT($X11)
3615                         fi
3616                 done
3617         done
3618         
3619         if test "x$X11" = "xlibX11.so"; then
3620                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3621                 X11=libX11.so.6
3622         fi
3623         ;;
3624 esac
3625
3626
3627 AC_SUBST(libsuffix)
3628
3629 AC_ARG_WITH([libgdiplus],
3630         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3631         [], [with_libgdiplus=installed])
3632
3633 # default install location
3634 libgdiplus_install_loc=libgdiplus${libsuffix}
3635 case "$host" in
3636     *-*-*linux*)
3637     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3638     ;;
3639 esac
3640
3641 case $with_libgdiplus in
3642     no|installed)
3643     libgdiplus_loc=
3644     ;;
3645
3646     yes|sibling)
3647     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3648     ;;
3649
3650     /*) # absolute path, assume it is an install location
3651     libgdiplus_loc=$with_libgdiplus
3652     libgdiplus_install_loc=$with_libgdiplus
3653     ;;
3654
3655     *)
3656     libgdiplus_loc=`pwd`/$with_libgdiplus
3657     ;;
3658 esac
3659 AC_SUBST([libgdiplus_loc])
3660 AC_SUBST([libgdiplus_install_loc])
3661
3662 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3663 if test "x$icall_symbol_map" = "xyes"; then
3664    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3665 fi
3666
3667 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3668 if test "x$icall_export" = "xyes"; then
3669    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3670 fi
3671
3672 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3673 if test "x$icall_tables" = "xno"; then
3674    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3675 fi
3676
3677 if test "x$with_tls" = "x__thread"; then
3678         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3679         # Pass the information to libgc
3680         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3681         AC_MSG_CHECKING(if the tls_model attribute is supported)
3682         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3683                 ], [
3684                         AC_MSG_RESULT(yes)
3685                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3686                 ], [
3687                         AC_MSG_RESULT(no)
3688         ])
3689 fi
3690
3691 if test ${TARGET} = ARM; then
3692         dnl ******************************************
3693         dnl *** Check to see what FPU is available ***
3694         dnl ******************************************
3695         AC_MSG_CHECKING(which FPU to use)
3696
3697         #
3698         # This is a bit tricky:
3699         #
3700         # if (__ARM_PCS_VFP) {
3701         #       /* mfloat-abi=hard == VFP with hard ABI */
3702         # } elif (!__SOFTFP__) {
3703         #       /* mfloat-abi=softfp == VFP with soft ABI */
3704         # } else {
3705         #       /* mfloat-abi=soft == no VFP */
3706         # }
3707         #
3708         # The exception is iOS (w/ GCC) where none of the above
3709         # are defined (but iOS always uses the 'softfp' ABI).
3710         #
3711         # No support for FPA.
3712         #
3713
3714         fpu=NONE
3715
3716         # iOS GCC always uses the 'softfp' ABI.
3717         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3718                 fpu=VFP
3719         fi
3720
3721         # Are we using the 'hard' ABI?
3722         if test x$fpu = xNONE; then
3723                 AC_TRY_COMPILE([], [
3724                         #ifndef __ARM_PCS_VFP
3725                         #error "Float ABI is not 'hard'"
3726                         #endif
3727                         return 0;
3728                 ], [
3729                         fpu=VFP_HARD
3730                 ], [
3731                         fpu=NONE
3732                 ])
3733         fi
3734
3735         # No 'hard' ABI. 'soft' or 'softfp'?
3736         if test x$fpu = xNONE; then
3737                 AC_TRY_COMPILE([], [
3738                         #ifdef __SOFTFP__
3739                         #error "Float ABI is not 'softfp'"
3740                         #endif
3741                         return 0;
3742                 ], [
3743                         fpu=VFP
3744                 ], [
3745                         fpu=NONE
3746                 ])
3747         fi
3748
3749         if test x$arm_fpu != x; then
3750            fpu=$arm_fpu
3751         fi
3752
3753         AC_MSG_RESULT($fpu)
3754         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3755         unset fpu
3756
3757         dnl *********************************************
3758         dnl *** Check which ARM version(s) we can use ***
3759         dnl *********************************************
3760         AC_MSG_CHECKING(which ARM version to use)
3761
3762         AC_TRY_COMPILE([], [
3763                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3764                 #error Not on ARM v5.
3765                 #endif
3766                 return 0;
3767         ], [
3768                 arm_v5=yes
3769
3770                 arm_ver=ARMv5
3771         ], [])
3772
3773         AC_TRY_COMPILE([], [
3774                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3775                 #error Not on ARM v6.
3776                 #endif
3777                 return 0;
3778         ], [
3779                 arm_v5=yes
3780                 arm_v6=yes
3781
3782                 arm_ver=ARMv6
3783         ], [])
3784
3785         AC_TRY_COMPILE([], [
3786                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3787                 #error Not on ARM v7.
3788                 #endif
3789                 return 0;
3790         ], [
3791                 arm_v5=yes
3792                 arm_v6=yes
3793                 arm_v7=yes
3794
3795                 arm_ver=ARMv7
3796         ], [])
3797
3798         AC_MSG_RESULT($arm_ver)
3799
3800         if test x$arm_v5 = xyes; then
3801                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3802                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3803         fi
3804
3805         if test x$arm_v6 = xyes; then
3806                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3807                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3808         fi
3809
3810         if test x$arm_v7 = xyes; then
3811                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3812                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3813         fi
3814 fi
3815
3816 if test ${TARGET} = unknown; then
3817         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3818         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3819 fi
3820
3821 if test "x$platform_android" = "xyes"; then
3822         case "x${TARGET}" in
3823         xARM)
3824                 case "x$arm_ver" in
3825                 xARMv5)
3826                         BTLS_SUPPORTED=yes
3827                         BTLS_PLATFORM=android-armv5
3828                         ;;
3829                 xARMv6)
3830                         BTLS_SUPPORTED=yes
3831                         BTLS_PLATFORM=android-armv6
3832                         ;;
3833                 xARMv7)
3834                         BTLS_SUPPORTED=yes
3835                         BTLS_PLATFORM=android-armv7
3836                         ;;
3837                 *)
3838                         BTLS_SUPPORTED=no
3839                         ;;
3840                 esac
3841                 ;;
3842         xARM64)
3843                 BTLS_SUPPORTED=yes
3844                 BTLS_PLATFORM=android-v8a
3845                 ;;
3846         xX86)
3847                 BTLS_SUPPORTED=yes
3848                 BTLS_PLATFORM=android-x86
3849                 ;;
3850         xAMD64)
3851                 BTLS_SUPPORTED=yes
3852                 BTLS_PLATFORM=android-x64
3853                 ;;
3854         *)
3855                 BTLS_SUPPORTED=no
3856                 ;;
3857         esac
3858 fi
3859
3860 if test ${ACCESS_UNALIGNED} = no; then
3861         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3862 fi
3863
3864 if test x$host_darwin = xyes; then
3865         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3866         AS_IF(
3867                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3868                 [AC_MSG_RESULT([no])],
3869                 [
3870                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3871                         AR_FLAGS="Scru"
3872                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3873                         AC_MSG_RESULT([yes])
3874                 ]
3875         )
3876 fi
3877
3878 case "x$libgc" in
3879         xincluded)
3880                 # Pass CPPFLAGS to libgc configure
3881                 # We should use a separate variable for this to avoid passing useless and
3882                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3883                 # This should be executed late so we pick up the final version of CPPFLAGS
3884                 # The problem with this approach, is that during a reconfigure, the main
3885                 # configure scripts gets invoked with these arguments, so we use separate
3886                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3887                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3888                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3889                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3890                 fi
3891                 # Don't pass -finstrument-for-thread-suspension in, 
3892                 # if these are instrumented it will be very bad news 
3893                 # (infinite recursion, undefined parking behavior, etc)
3894                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3895                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3896                 if test "x$support_boehm" = "xyes"; then
3897                         AC_CONFIG_SUBDIRS(libgc)
3898                 fi
3899                 ;;
3900 esac
3901
3902 MALLOC_MEMPOOLS=no
3903 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3904         if test x$with_malloc_mempools = xyes; then
3905                 MALLOC_MEMPOOLS=yes
3906                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3907         fi
3908 ])
3909
3910
3911 DISABLE_MCS_DOCS=default
3912 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3913         if test x$with_mcs_docs != xyes; then
3914                 DISABLE_MCS_DOCS=yes
3915         fi
3916 ])
3917 if test -n "$INSTALL_4_x_TRUE"; then :
3918         DISABLE_MCS_DOCS=yes
3919 fi
3920 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3921    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3922 fi
3923
3924 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3925         if test x$with_lazy_gc_thread_creation != xno ; then
3926                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3927         fi
3928 ], [with_lazy_gc_thread_creation=no])
3929
3930 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])
3931
3932 if test x$with_cooperative_gc = xdefault; then
3933         with_cooperative_gc=$with_cooperative_gc_default
3934 fi
3935
3936 if test x$with_cooperative_gc != xno; then
3937         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3938 fi
3939
3940 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3941
3942 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],[
3943
3944         if test x$enable_checked_build != x ; then
3945                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3946         fi
3947         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3948                 eval "mono_checked_build_test_enable_$feature='yes'"
3949         done
3950
3951         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3952                 eval "mono_checked_build_test_enable_gc='yes'"
3953                 eval "mono_checked_build_test_enable_metadata='yes'"
3954                 eval "mono_checked_build_test_enable_thread='yes'"
3955         fi
3956
3957         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3958                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3959         fi
3960
3961         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3962                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3963         fi
3964
3965         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3966                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3967         fi
3968
3969 ], [])
3970
3971 AC_CHECK_HEADER([malloc.h], 
3972                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3973                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3974
3975 if test x"$GCC" = xyes; then
3976         # Implicit function declarations are not 64 bit safe
3977         # Do this late, since this causes lots of configure tests to fail
3978         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3979         # jay has a lot of implicit declarations
3980         JAY_CFLAGS="-Wno-implicit-function-declaration"
3981 fi
3982
3983 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3984 # instead of libmono-static.a
3985 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3986    LIBMONO_LA=libmini-static.la
3987 else
3988    if test x$buildsgen = xyes; then
3989       LIBMONO_LA=libmonosgen-$API_VER.la
3990    else
3991       LIBMONO_LA=libmonoboehm-$API_VER.la
3992    fi
3993 fi
3994 AC_SUBST(LIBMONO_LA)
3995
3996 dnl **************
3997 dnl ***  Btls  ***
3998 dnl **************
3999
4000 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4001 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4002
4003 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4004
4005 btls_android=no
4006 if test "x$enable_btls" = "xyes"; then
4007         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4008         if test "x$CMAKE" = "xno"; then
4009                 AC_MSG_ERROR("cmake not found")
4010         fi
4011
4012         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4013         AC_SUBST(BTLS_ROOT)
4014
4015         btls_arch=
4016         btls_cflags=
4017         BTLS_CMAKE_ARGS=
4018
4019         case "$BTLS_PLATFORM" in
4020         i386)
4021                 btls_arch=i386
4022                 btls_cflags="-m32"
4023                 case $host_os in
4024                         darwin*)
4025                                 btls_cflags="$btls_cflags -arch i386"
4026                 esac
4027                 ;;
4028         x86_64)
4029                 btls_arch=x86_64
4030                 ;;
4031         arm)
4032                 btls_arch=arm
4033                 ;;
4034         armsoft)
4035                 btls_arch=arm
4036                 btls_cflags="-DOPENSSL_NO_ASM=1"
4037                 ;;
4038         aarch64)
4039                 btls_arch=aarch64
4040                 ;;
4041         android-armv5)
4042                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4043                 ;;
4044         android-armv6)
4045                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4046                 ;;
4047         android-armv7)
4048                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4049                 ;;
4050         android-v8a)
4051                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4052                 ;;
4053         android-x86)
4054                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4055                 ;;
4056         android-x64)
4057                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4058                 ;;
4059         *)
4060                 AC_MSG_ERROR(Invalid BTLS platform)
4061         esac
4062
4063         if test "x$platform_android" = "xyes"; then
4064                 btls_android=yes
4065                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4066                 if test "x$with_btls_android_ndk" != "x"; then
4067                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4068                 else
4069                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4070                 fi
4071         fi
4072
4073         if test "x$btls_arch" != "x"; then
4074                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4075         fi
4076
4077         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4078         AC_SUBST(BTLS_ARCH)
4079         AC_SUBST(BTLS_CFLAGS)
4080         AC_SUBST(BTLS_PLATFORM)
4081         AC_SUBST(BTLS_CMAKE_ARGS)
4082
4083         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4084 else
4085         enable_btls=no
4086 fi
4087
4088 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4089
4090 if test x$DISABLE_MCS_DOCS = xyes; then
4091    docs_dir=""
4092 else
4093    docs_dir=docs
4094 fi
4095 AC_SUBST(docs_dir)
4096
4097 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4098 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4099
4100 libmono_ldflags="$libmono_ldflags $LIBS"
4101
4102 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4103 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4104 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4105 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4106 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4107 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4108 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4109 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4110 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4111 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4112 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4113 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4114 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4115 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4116 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4117 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4118 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4119
4120 AC_SUBST(LIBC)
4121 AC_SUBST(INTL)
4122 AC_SUBST(SQLITE)
4123 AC_SUBST(SQLITE3)
4124 AC_SUBST(X11)
4125 AC_SUBST(GDKX11)
4126 AC_SUBST(GTKX11)
4127 AC_SUBST(XINERAMA)
4128 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4129 AC_SUBST(arch_target)
4130 AC_SUBST(CFLAGS)
4131 AC_SUBST(CPPFLAGS)
4132 AC_SUBST(LDFLAGS)
4133
4134 #This must always be defined when building the runtime
4135 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4136
4137 mono_build_root=`pwd`
4138 AC_SUBST(mono_build_root)
4139
4140 mono_runtime=mono/mini/mono
4141 AC_SUBST(mono_runtime)
4142
4143 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.0/tools/csc.exe
4144
4145 if test $csc_compiler = mcs; then
4146   CSC=$mcs_topdir/class/lib/build/mcs.exe
4147 else
4148   CSC=$CSC_LOCATION
4149 fi
4150
4151 mono_cfg_root=$mono_build_root/runtime
4152 if test x$host_win32 = xyes; then
4153   if test "x$cross_compiling" = "xno"; then
4154     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4155     CSC=`cygpath -m -a $CSC`
4156     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4157   else
4158     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4159   fi
4160 else
4161   mono_cfg_dir=$mono_cfg_root/etc
4162 fi
4163 AC_SUBST(mono_cfg_dir)
4164
4165 AC_SUBST(CSC)
4166
4167 AC_CONFIG_FILES([po/mcs/Makefile.in])
4168
4169 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4170 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4171
4172 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4173 [   depth=../../../..
4174     case $srcdir in
4175     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4176     .) reldir=$depth ;;
4177     *) reldir=$depth/$srcdir ;;
4178     esac
4179     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4180     cd runtime/etc/mono/1.0
4181     rm -f machine.config
4182     $LN_S $reldir/data/net_1_1/machine.config machine.config
4183     cd $depth
4184 ],[LN_S='$LN_S'])
4185
4186 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4187 [   depth=../../../..
4188     case $srcdir in
4189     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4190     .) reldir=$depth ;;
4191     *) reldir=$depth/$srcdir ;;
4192     esac
4193     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4194     cd runtime/etc/mono/2.0
4195     rm -f machine.config
4196     $LN_S $reldir/data/net_2_0/machine.config machine.config
4197     cd $depth
4198 ],[LN_S='$LN_S'])
4199
4200 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4201 [   depth=../../../..
4202     case $srcdir in
4203     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4204     .) reldir=$depth ;;
4205     *) reldir=$depth/$srcdir ;;
4206     esac
4207     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4208     cd runtime/etc/mono/2.0
4209     rm -f web.config
4210     $LN_S $reldir/data/net_2_0/web.config web.config
4211     cd $depth
4212 ],[LN_S='$LN_S'])
4213
4214 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4215 [   depth=../../..
4216     case $srcdir in
4217     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4218     .) reldir=$depth ;;
4219     *) reldir=$depth/$srcdir ;;
4220     esac
4221     $ac_aux_dir/install-sh -d runtime/etc/mono/
4222     cd runtime/etc/mono/
4223     rm -f browscap.ini
4224     $LN_S $reldir/data/browscap.ini browscap.ini
4225     cd $depth
4226 ],[LN_S='$LN_S'])
4227
4228 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4229 [   depth=../../../../..
4230     case $srcdir in
4231     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4232     .) reldir=$depth ;;
4233     *) reldir=$depth/$srcdir ;;
4234     esac
4235     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4236     cd runtime/etc/mono/2.0/Browsers
4237     rm -f Compat.browser
4238     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4239     cd $depth
4240 ],[LN_S='$LN_S'])
4241
4242 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4243 [   depth=../../../../..
4244     case $srcdir in
4245     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4246     .) reldir=$depth ;;
4247     *) reldir=$depth/$srcdir ;;
4248     esac
4249     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4250     cd runtime/etc/mono/4.0/Browsers
4251     rm -f Compat.browser
4252     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4253     cd $depth
4254 ],[LN_S='$LN_S'])
4255
4256 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4257 [   depth=../../../../..
4258     case $srcdir in
4259     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4260     .) reldir=$depth ;;
4261     *) reldir=$depth/$srcdir ;;
4262     esac
4263     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4264     cd runtime/etc/mono/4.5/Browsers
4265     rm -f Compat.browser
4266     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4267     cd $depth
4268 ],[LN_S='$LN_S'])
4269
4270 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4271 [   depth=../../../..
4272     case $srcdir in
4273     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4274     .) reldir=$depth ;;
4275     *) reldir=$depth/$srcdir ;;
4276     esac
4277     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4278     cd runtime/etc/mono/4.0
4279     rm -f machine.config
4280     $LN_S $reldir/data/net_4_0/machine.config machine.config
4281     cd $depth
4282 ],[LN_S='$LN_S'])
4283
4284 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4285 [   depth=../../../..
4286     case $srcdir in
4287     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4288     .) reldir=$depth ;;
4289     *) reldir=$depth/$srcdir ;;
4290     esac
4291     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4292     cd runtime/etc/mono/4.0
4293     rm -f web.config
4294     $LN_S $reldir/data/net_4_0/web.config web.config
4295     cd $depth
4296 ],[LN_S='$LN_S'])
4297
4298 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4299 [   depth=../../../..
4300     case $srcdir in
4301     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4302     .) reldir=$depth ;;
4303     *) reldir=$depth/$srcdir ;;
4304     esac
4305     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4306     cd runtime/etc/mono/4.5
4307     rm -f machine.config
4308     $LN_S $reldir/data/net_4_5/machine.config machine.config
4309     cd $depth
4310 ],[LN_S='$LN_S'])
4311
4312 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4313 [   depth=../../../..
4314     case $srcdir in
4315     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4316     .) reldir=$depth ;;
4317     *) reldir=$depth/$srcdir ;;
4318     esac
4319     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4320     cd runtime/etc/mono/4.5
4321     rm -f web.config
4322     $LN_S $reldir/data/net_4_5/web.config web.config
4323     cd $depth
4324 ],[LN_S='$LN_S'])
4325
4326 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])
4327 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])
4328
4329 AC_OUTPUT([
4330 Makefile
4331 mono-uninstalled.pc
4332 acceptance-tests/Makefile
4333 llvm/Makefile
4334 scripts/mono-find-provides
4335 scripts/mono-find-requires
4336 mono/Makefile
4337 mono/btls/Makefile
4338 mono/utils/Makefile
4339 mono/metadata/Makefile
4340 mono/dis/Makefile
4341 mono/cil/Makefile
4342 mono/arch/Makefile
4343 mono/arch/x86/Makefile
4344 mono/arch/amd64/Makefile
4345 mono/arch/ppc/Makefile
4346 mono/arch/sparc/Makefile
4347 mono/arch/s390x/Makefile
4348 mono/arch/arm/Makefile
4349 mono/arch/arm64/Makefile
4350 mono/arch/mips/Makefile
4351 mono/sgen/Makefile
4352 mono/tests/Makefile
4353 mono/tests/tests-config
4354 mono/tests/gc-descriptors/Makefile
4355 mono/tests/testing_gac/Makefile
4356 mono/unit-tests/Makefile
4357 mono/benchmark/Makefile
4358 mono/mini/Makefile
4359 mono/profiler/Makefile
4360 m4/Makefile
4361 ikvm-native/Makefile
4362 scripts/Makefile
4363 man/Makefile
4364 docs/Makefile
4365 data/Makefile
4366 data/net_2_0/Makefile
4367 data/net_4_0/Makefile
4368 data/net_4_5/Makefile
4369 data/net_2_0/Browsers/Makefile
4370 data/net_4_0/Browsers/Makefile
4371 data/net_4_5/Browsers/Makefile
4372 data/mint.pc
4373 data/mono-2.pc
4374 data/monosgen-2.pc
4375 data/mono.pc
4376 data/mono-cairo.pc
4377 data/mono-nunit.pc
4378 data/mono-options.pc
4379 data/mono-lineeditor.pc
4380 data/monodoc.pc
4381 data/dotnet.pc
4382 data/dotnet35.pc
4383 data/wcf.pc
4384 data/cecil.pc
4385 data/system.web.extensions_1.0.pc
4386 data/system.web.extensions.design_1.0.pc
4387 data/system.web.mvc.pc
4388 data/system.web.mvc2.pc
4389 data/system.web.mvc3.pc
4390 data/aspnetwebstack.pc
4391 data/reactive.pc
4392 samples/Makefile
4393 support/Makefile
4394 data/config
4395 tools/Makefile
4396 tools/locale-builder/Makefile
4397 tools/sgen/Makefile
4398 tools/monograph/Makefile
4399 tools/pedump/Makefile
4400 runtime/Makefile
4401 msvc/Makefile
4402 po/Makefile
4403 ])
4404
4405 # Update all submodules recursively to ensure everything is checked out
4406 $srcdir/scripts/update_submodules.sh
4407
4408 if test x$host_win32 = xyes; then
4409    # Get rid of 'cyg' prefixes in library names
4410    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4411    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4412    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4413    # executable doesn't work...
4414    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4415 fi
4416
4417 if test x$host_darwin = xyes; then
4418    # This doesn't seem to be required and it slows down parallel builds
4419    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4420 fi
4421
4422 (
4423   case $prefix in
4424   NONE) prefix=$ac_default_prefix ;;
4425   esac
4426   case $exec_prefix in
4427   NONE) exec_prefix='${prefix}' ;;
4428   esac
4429
4430   #
4431   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4432   # any existing config.make.  This allows people to share the same source tree
4433   # with different build directories, one native and one cross
4434   #
4435   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4436
4437     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4438
4439     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4440     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4441     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4442     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4443     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4444     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4445     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4446     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4447     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4448
4449     case $INSTALL in
4450     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4451     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4452     esac
4453
4454     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4455
4456     export VERSION
4457     [myver=$($AWK 'BEGIN {
4458       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4459       if(length(vsplit [1]) > 4) {
4460         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4461       }
4462       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4463     }')]
4464
4465     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4466     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4467
4468     if test x$host_darwin = xyes; then
4469       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4470     elif test x$host_win32 = xyes; then
4471       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4472     else
4473       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4474     fi
4475
4476     if test x$host_darwin = xyes; then
4477       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4478     elif test x$host_win32 = xyes; then
4479       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4480     else
4481       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4482     fi
4483
4484     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4485       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4486     fi
4487
4488         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4489            enable_system_aot=yes
4490         fi
4491
4492     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4493       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4494     fi
4495
4496     if test x$DISABLE_MCS_DOCS = xyes; then
4497       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4498     fi
4499
4500     if test x$has_extension_module != xno; then
4501         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4502     fi
4503     
4504     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4505     
4506     if test "x$test_bcl_opt" = "xyes"; then    
4507       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4508     fi
4509
4510     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4511
4512     if test $csc_compiler = mcs; then
4513       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4514     fi
4515
4516     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4517       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4518       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4519     fi
4520
4521     if test "x$enable_btls" = "xyes"; then
4522       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4523     fi
4524
4525   fi
4526
4527 )
4528
4529 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4530
4531 btls_platform_string=
4532 if test x$enable_btls = xyes; then
4533         if test x$btls_android = xyes; then
4534                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4535         else
4536                 btls_platform_string=" ($BTLS_PLATFORM)"
4537         fi
4538 fi
4539
4540 echo "
4541         mcs source:    $mcsdir
4542         C# Compiler:   $csc_compiler
4543
4544    Engine:
4545         Host:          $host
4546         Target:        $target
4547         GC:            $gc_msg 
4548         TLS:           $with_tls
4549         SIGALTSTACK:   $with_sigaltstack
4550         Engine:        $jit_status
4551         BigArrays:     $enable_big_arrays
4552         DTrace:        $enable_dtrace
4553         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4554         Interpreter:   $enable_interpreter
4555
4556    Libraries:
4557         .NET 4.x:        $with_profile4_x
4558         Xamarin.Android: $with_monodroid
4559         Xamarin.iOS:     $with_monotouch
4560         Xamarin.WatchOS: $with_monotouch_watch
4561         Xamarin.TVOS:    $with_monotouch_tv
4562         Xamarin.Mac:     $with_xammac
4563         Windows AOT:     $with_winaot
4564         Orbis:           $with_orbis
4565         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4566         JNI support:     $jdk_headers_found
4567         libgdiplus:      $libgdiplus_msg
4568         zlib:            $zlib_msg
4569         BTLS:            $enable_btls$btls_platform_string
4570         $disabled
4571 "
4572 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4573    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4574 fi