Merge pull request #5260 from BrzVlad/fix-handler-block
[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=3
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=$CFLAGS
70 CPPFLAGS_FOR_BTLS=$CPPFLAGS
71 CFLAGS_FOR_BTLS=$CFLAGS
72
73 # libgc uses some deprecated APIs
74 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
75
76 #
77 # These are the flags that need to be stored in the mono.pc file for 
78 # compiling code that will embed Mono
79 #
80 libmono_cflags=""
81 libmono_ldflags=""
82 AC_SUBST(libmono_cflags)
83 AC_SUBST(libmono_ldflags)
84
85 # Variable to have relocatable .pc files (lib, or lib64)
86 # realpath isn't always available, and requires that all but the tip of the provided
87 # path exists. Fall back to the old behaviour, but realpath allows depth >1
88 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
89 # too deep for the old method to work
90 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
91 AC_SUBST(reloc_libdir)
92
93 # Set to yes if Unix sockets cannot be created in an anonymous namespace
94 need_link_unlink=no
95
96 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
97 extra_runtime_ldflags=""
98
99 # Thread configuration inspired by sleepycat's db
100 AC_MSG_CHECKING([host platform characteristics])
101 libgc_threads=no
102 has_dtrace=no
103 parallel_mark=yes
104 ikvm_native=yes
105
106 host_win32=no
107 target_win32=no
108 platform_android=no
109 host_darwin=no
110 case "$host" in
111         *-mingw*|*-*-cygwin*)
112                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
113                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
114                 host_win32=yes
115                 mono_cv_clang=no
116                 if test "x$cross_compiling" = "xno"; then
117                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
118                                 target_win32=yes
119                         fi
120                 else
121                         if test "x$host" = "x$target"; then
122                                 target_win32=yes
123                         fi
124                 fi
125                 HOST_CC="gcc"
126                 # Windows Vista or later is required
127                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
128                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
129                 libmono_cflags="-mms-bitfields -mwindows"
130                 libmono_ldflags="-mms-bitfields -mwindows"
131                 libdl=
132                 libgc_threads=win32
133                 with_sigaltstack=no
134                 with_tls=pthread
135                 with_sgen_default_concurrent=yes
136                 LN_S=cp
137                 # This forces libgc to use the DllMain based thread registration code on win32
138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
139                 ;;
140         *-*-*netbsd*)
141                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
142                 libmono_cflags="-D_REENTRANT"
143                 LDFLAGS="$LDFLAGS -pthread"
144                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
145                 libmono_ldflags="-pthread"
146                 need_link_unlink=yes
147                 libdl="-ldl"
148                 libgc_threads=pthreads
149                 with_sigaltstack=no
150                 use_sigposix=yes
151                 with_sgen_default_concurrent=yes
152                 ;;
153         *-*-kfreebsd*-gnu)
154                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
155                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
156                 libmono_ldflags="-lpthread -pthread"
157                 libdl="-ldl"
158                 libgc_threads=pthreads
159                 need_link_unlink=yes
160                 with_sigaltstack=no
161                 use_sigposix=yes
162                 with_sgen_default_concurrent=yes
163                 ;;
164         *-*-*freebsd*)
165                 if test "x$PTHREAD_CFLAGS" = "x"; then
166                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
167                         libmono_cflags=
168                 else
169                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
170                         libmono_cflags="$PTHREAD_CFLAGS"
171                 fi
172                 if test "x$PTHREAD_LIBS" = "x"; then
173                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
174                         libmono_ldflags="-pthread"
175                 else
176                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
177                         libmono_ldflags="$PTHREAD_LIBS"
178                 fi
179                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
180                 need_link_unlink=yes
181                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
182                 libdl=
183                 libgc_threads=pthreads
184                 use_sigposix=yes
185                 has_dtrace=yes
186                 with_sgen_default_concurrent=yes
187                 ;;
188         *-*-*openbsd*)
189                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
190                 if test "x$disable_munmap" != "xyes"; then
191                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
192                 fi
193                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
194                 LDFLAGS="$LDFLAGS -pthread"
195                 need_link_unlink=yes
196                 AC_DEFINE(PTHREAD_POINTER_ID)
197                 libdl=
198                 libgc_threads=pthreads
199                 with_sigaltstack=no
200                 use_sigposix=yes
201                 with_sgen_default_concurrent=yes
202                 ;;
203         *-*-linux-android*)
204                 platform_android=yes
205                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
206                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
207
208                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
209                 if test "x$disable_munmap" != "xyes"; then
210                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
211                 fi
212                 libmono_cflags="-D_REENTRANT"
213                 libdl="-ldl"
214                 libgc_threads=pthreads
215                 use_sigposix=yes
216
217                 with_tls=pthread
218                 with_sigaltstack=no
219                 with_static_mono=no
220
221                 # Android doesn't support boehm, as it's missing <link.h>
222                 support_boehm=no
223                 with_gc=sgen
224
225                 # isinf(3) requires -lm; see isinf check below
226                 LDFLAGS="$LDFLAGS -lm"
227
228                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
229                 # PAGE_SIZE; breaks mono/io-layer/collection.c
230                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
231                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
232                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
233
234                 # to bypass the underscore linker check, can't work when cross-compiling
235                 mono_cv_uscore=yes
236                 mono_cv_clang=no
237                 ;;
238         *-*-linux*)
239                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
240                 if test "x$disable_munmap" != "xyes"; then
241                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
242                 fi
243                 libmono_cflags="-D_REENTRANT"
244                 libdl="-ldl"
245                 libgc_threads=pthreads
246                 use_sigposix=yes
247                 if test "x$cross_compiling" != "xno"; then
248                         # to bypass the underscore linker check, not
249                         # available during cross-compilation
250                         mono_cv_uscore=no
251                 fi
252                 case "$host" in
253                 aarch64-*)
254                         support_boehm=no
255                         with_gc=sgen
256                         ;;
257                 powerpc*-*-linux*)
258                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
259                         disable_munmap=yes
260                         ;;
261                 esac
262                 with_sgen_default_concurrent=yes
263                 ;;
264         *-*-nacl*)
265                 echo "nacl no longer supported."
266                 exit 1
267                 ;;
268         *-*-hpux*)
269                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
270                 # +ESdbgasm only valid on bundled cc on RISC
271                 # silently ignored for ia64
272                 if test $GCC != "yes"; then
273                         CFLAGS="$CFLAGS +ESdbgasm"
274                         # Arrange for run-time dereferencing of null
275                         # pointers to produce a SIGSEGV signal.
276                         LDFLAGS="$LDFLAGS -z"
277                 fi
278                 CFLAGS="$CFLAGS +ESdbgasm"
279                 LDFLAGS="$LDFLAGS -z"
280                 libmono_cflags="-D_REENTRANT"
281                 libmono_ldflags="-lpthread"
282                 libgc_threads=pthreads
283                 need_link_unlink=yes
284                 use_sigposix=yes
285                 ;;
286         *-*-solaris*)
287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
288                 need_link_unlink=yes
289                 libmono_cflags="-D_REENTRANT"
290                 libgc_threads=pthreads
291                 has_dtrace=yes
292                 use_sigposix=yes
293                 enable_solaris_tar_check=yes
294                 ;;
295         *-*-darwin*)
296                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
297                 host_darwin=yes
298                 target_mach=yes
299                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
300                 libmono_cflags="-D_THREAD_SAFE"
301                 need_link_unlink=yes
302                 AC_DEFINE(PTHREAD_POINTER_ID)
303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
304                 libdl=
305                 libgc_threads=pthreads
306                 has_dtrace=yes
307                 if test "x$cross_compiling" = "xyes"; then
308                         has_broken_apple_cpp=yes
309                 fi
310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
313                 case "$host" in
314                         dnl Snow Leopard and newer config.guess reports as this
315                         i*86-*-darwin*)
316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
317                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
324                                 with_sgen_default_concurrent=yes
325                                 ;;
326                         x*64-*-darwin*)
327                                 with_sgen_default_concurrent=yes
328                                 ;;
329                         arm*-darwin*)
330                                 has_dtrace=no
331                                 ;;                      
332                 esac
333                 ;;
334         *-*-haiku*)
335                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
336                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
337                 libdl=
338                 LIBS="$LIBS -lnetwork -ltextencoding"
339                 need_link_unlink=yes
340                 AC_DEFINE(PTHREAD_POINTER_ID)
341                 dnl Haiku does not support static TLS with __thread
342                 with_tls=pthread
343                 dnl Boehm is too much work to backport Haiku support for
344                 support_boehm=no
345                 libgc_threads=pthreads
346                 use_sigposix=yes
347                 ;;
348         *)
349                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
350                 libdl="-ldl"
351                 ;;
352 esac
353 AC_MSG_RESULT(ok)
354
355 if test x$need_link_unlink = xyes; then
356    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
357 fi
358
359 if test x$host_win32 = xyes; then
360    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
361 fi
362
363 if test x$target_win32 = xyes; then
364    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
365 fi
366
367 # Defined for all targets/platforms using classic Windows API support.
368 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
369 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
370
371 AC_SUBST(extra_runtime_ldflags)
372 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
373 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
374 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
375 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
376 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
377 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
378
379 if test -z "$PLATFORM_DARWIN_TRUE"; then :
380 PLATFORM_AOT_SUFFIX=.dylib
381 fi
382
383 if test -z "$PLATFORM_LINUX_TRUE"; then :
384 PLATFORM_AOT_SUFFIX=.so
385 fi
386
387 if test -z "$HOST_WIN32_TRUE"; then :
388 PLATFORM_AOT_SUFFIX=.dll
389 fi
390
391 AC_SUBST(PLATFORM_AOT_SUFFIX)
392
393 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
394
395 AC_CHECK_TOOL(CC, gcc, gcc)
396 AC_PROG_CC
397 AC_CHECK_TOOL(CXX, g++, g++)
398 AC_PROG_CXX
399 AM_PROG_AS
400 AC_PROG_INSTALL
401 AC_PROG_AWK
402 AM_PROG_CC_C_O
403 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
404 : ${CCAS='$(CC)'}
405 # Set ASFLAGS if not already set.
406 : ${CCASFLAGS='$(CFLAGS)'}
407 AC_SUBST(CCAS)
408 AC_SUBST(CCASFLAGS)
409
410 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
411 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
412 if test "x$CXX" = "xg++"; then
413         if test "x$GXX" != "xyes"; then
414                 # automake/libtool is so broken, it requires g++ even if the c++ sources
415                 # are inside automake conditionals
416                 AC_MSG_ERROR([You need to install g++])
417         fi
418 fi
419
420 dnl may require a specific autoconf version
421 dnl AC_PROG_CC_FOR_BUILD
422 dnl CC_FOR_BUILD not automatically detected
423 CC_FOR_BUILD=$CC
424 CFLAGS_FOR_BUILD=$CFLAGS
425 BUILD_EXEEXT=
426 if test "x$cross_compiling" = "xyes"; then
427         CC_FOR_BUILD=cc
428         CFLAGS_FOR_BUILD=
429         BUILD_EXEEXT=""
430 fi
431 AC_SUBST(CC_FOR_BUILD)
432 AC_SUBST(CFLAGS_FOR_BUILD)
433 AC_SUBST(HOST_CC)
434 AC_SUBST(BUILD_EXEEXT)
435
436 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
437 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
438
439 # Set STDC_HEADERS
440 AC_HEADER_STDC
441 AC_LIBTOOL_WIN32_DLL
442 # This causes monodis to not link correctly
443 #AC_DISABLE_FAST_INSTALL
444
445 #lookup makedev() header
446 AC_HEADER_MAJOR
447
448 AM_PROG_LIBTOOL
449 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
450 DOLT
451
452 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
453 AC_SUBST(export_ldflags)
454
455 # Test whenever ld supports -version-script
456 AC_PROG_LD
457 AC_PROG_LD_GNU
458
459 AM_ICONV()
460
461 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)
462 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)
463 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
464                   [], [], [#include <stddef.h>
465                   #include <sys/socket.h>
466                   #include <linux/socket.h>])
467
468 AC_CHECK_HEADERS(sys/user.h, [], [],
469 [
470 #ifdef HAVE_SYS_PARAM_H
471 # include <sys/param.h>
472 #endif
473 ])
474
475 AC_CHECK_HEADERS(linux/serial.h)
476
477 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
478 if test x$have_zlib = xyes; then
479    AC_TRY_COMPILE([#include <zlib.h>], [
480    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
481    return 0;
482    #else
483    #error No good zlib found
484    #endif
485    ],[
486         AC_MSG_RESULT(Using system zlib)
487         zlib_msg="system zlib"
488         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
489    ],[
490         AC_MSG_RESULT(Using embedded zlib)
491         have_zlib=no
492         zlib_msg="bundled zlib"
493    ])
494 fi
495
496 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
497 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
498
499 # for mono/metadata/debug-symfile.c
500 AC_CHECK_HEADERS(elf.h)
501
502 # for support
503 AC_CHECK_HEADERS(poll.h)
504 AC_CHECK_HEADERS(sys/poll.h)
505 AC_CHECK_HEADERS(sys/wait.h)
506 AC_CHECK_HEADERS(grp.h)
507 AC_CHECK_HEADERS(syslog.h)
508
509 # for mono/dis
510 AC_CHECK_HEADERS(wchar.h)
511 AC_CHECK_HEADERS(ieeefp.h)
512 AC_MSG_CHECKING(for isinf)
513 AC_TRY_LINK([#include <math.h>], [
514         int f = isinf (1.0);
515 ], [
516         AC_MSG_RESULT(yes)
517         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
518 ], [
519         # We'll have to use signals
520         AC_MSG_RESULT(no)
521 ])
522 # mingw
523 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
524         AC_TRY_LINK([#include <math.h>], 
525         [ _finite(0.0); ], 
526         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
527         AC_MSG_RESULT(no)))
528
529 # for Linux statfs support
530 AC_CHECK_HEADERS(linux/magic.h)
531
532 # not 64 bit clean in cross-compile
533 AC_CHECK_SIZEOF(void *, 4)
534
535 AC_CACHE_CHECK([for clang],
536         mono_cv_clang,[
537         AC_TRY_COMPILE([], [
538                 #ifdef __clang__
539                 #else
540                 #error "FAILED"
541                 #endif
542                 return 0;
543         ],
544         [mono_cv_clang=yes],
545         [mono_cv_clang=no],
546         [])
547 ])
548
549 AC_ARG_ENABLE(visibility-hidden,
550 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
551    disable_visibility_hidden=yes, disable_visibility_hidden=no)
552
553 WARN=''
554 if test x"$GCC" = xyes; then
555         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
556
557                 # We require C99 with some GNU extensions, e.g. `linux` macro
558                 CFLAGS="$CFLAGS -std=gnu99"
559
560                 # The runtime code does not respect ANSI C strict aliasing rules
561                 CFLAGS="$CFLAGS -fno-strict-aliasing"
562
563                 # We rely on signed overflow to behave
564                 CFLAGS="$CFLAGS -fwrapv"
565
566                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
567                 if test x"$disable_visibility_hidden" = xno; then
568                    # Don't export any symbols by default
569                    SHARED_CFLAGS="-fvisibility=hidden"
570                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
571                 fi
572
573                 ORIG_CFLAGS=$CFLAGS
574                 # Check for the normal version, since gcc ignores unknown -Wno options
575                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
576                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
577                 AC_TRY_COMPILE([],[
578                                 return 0;
579                 ], [
580                    AC_MSG_RESULT(yes)
581                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
582                 ], [
583                    AC_MSG_RESULT(no)
584                    CFLAGS=$ORIG_CFLAGS
585                 ])
586
587                 if test "x$mono_cv_clang" = "xyes"; then
588                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
589                    WARN="$WARN -Qunused-arguments"
590                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
591                    # We rely on zero length arrays in structs
592                    WARN="$WARN -Wno-zero-length-array"
593                 fi
594 else
595         # The Sun Forte compiler complains about inline functions that access static variables
596         # so disable all inlining.
597         case "$host" in
598         *-*-solaris*)
599                 CFLAGS="$CFLAGS -Dinline="
600                 ;;
601         esac
602 fi
603 CFLAGS="$CFLAGS -g $WARN"
604 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
605 CPPFLAGS="$CPPFLAGS -g $WARN"
606
607 # Where's the 'mcs' source tree?
608 if test -d $srcdir/mcs; then
609   mcsdir=mcs
610 else
611   mcsdir=../mcs
612 fi
613
614 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
615         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
616                 mcsdir=$with_mcs_path
617         fi
618 )
619
620 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
621
622 #
623 # A sanity check to catch cases where the package was unpacked
624 # with an ancient tar program (Solaris)
625 #
626 AC_ARG_ENABLE(solaris-tar-check,
627 [  --disable-solaris-tar-check    disable solaris tar check],
628    do_solaris_tar_check=no, do_solaris_tar_check=yes)
629
630 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
631         AC_MSG_CHECKING(integrity of package)
632         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
633         then
634                 AC_MSG_RESULT(ok)
635         else
636                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
637                 AC_MSG_ERROR([$errorm])
638         fi
639 fi
640
641 if test "x$with_mcs_path" != "x"; then
642 mcs_topdir=$(cd "$mcsdir" && pwd)
643 mcs_topdir_from_srcdir=$mcs_topdir
644 else
645 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
646 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
647 fi
648
649 # Convert mcs_topdir* paths to Windows syntax.
650 if test x$cross_compiling$host_win32 = xnoyes; then
651   mcs_topdir=$(cygpath -m $mcs_topdir)
652   case $mcs_topdir_from_srcdir in
653     /cygdrive/*)
654         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
655         ;;
656   esac
657 fi
658
659 AC_SUBST([mcs_topdir])
660 AC_SUBST([mcs_topdir_from_srcdir])
661
662 # gettext: prepare the translation directories. 
663 # we do not configure the full gettext, as we consume it dynamically from C#
664 AM_PO_SUBDIRS
665
666 if test "x$USE_NLS" = "xyes"; then
667    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
668
669    if test "x$HAVE_MSGFMT" = "xno"; then
670           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
671    fi
672 fi
673
674 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
675
676 pkg_config_path=
677 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
678         if test x$with_crosspkgdir = "x"; then
679                 if test -s $PKG_CONFIG_PATH; then
680                         pkg_config_path=$PKG_CONFIG_PATH
681                 fi
682         else
683                 pkg_config_path=$with_crosspkgdir
684                 PKG_CONFIG_PATH=$pkg_config_path
685                 export PKG_CONFIG_PATH
686         fi
687 )
688
689 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
690 if test x$werror_flag = xyes; then
691         WERROR_CFLAGS="-Werror"
692 fi
693 AC_SUBST([WERROR_CFLAGS])
694 AC_SUBST([SHARED_CFLAGS])
695
696 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
697 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
698   
699 AC_SUBST(GLIB_CFLAGS)
700 AC_SUBST(GLIB_LIBS)
701
702 # Enable support for fast thread-local storage
703 # Some systems have broken support, so we allow to disable it.
704 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
705
706 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
707 # This does not work on some platforms (bug #55253)
708 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
709
710 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
711 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
712 # Same as --with-shared_mono=no
713 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
714
715 if test "x$enable_static" = "xno"; then
716    with_static_mono=no
717 fi
718
719 if test "x$enable_shared" = "xno"; then
720    with_shared_mono=no
721 fi
722
723 if test "x$enable_libraries" = "xno"; then
724    with_shared_mono=no
725 fi
726
727 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
728
729 if test "x$host_win32" = "xyes"; then
730    # Boehm GC requires the runtime to be in its own dll
731    with_static_mono=no
732 fi
733
734 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
735 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
736 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
737
738 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
739 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
740         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
741         ORIG_CFLAGS=$CFLAGS
742         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
743         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
744         AC_TRY_COMPILE([], [
745                 return 0;
746         ], [
747            AC_MSG_RESULT(yes)
748            # Pass it to libgc as well
749            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
750         ], [
751            AC_MSG_RESULT(no)
752            CFLAGS=$ORIG_CFLAGS
753         ])
754 fi
755
756 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
757
758 if test x$enable_small_config = xyes; then
759         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
760         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
761 fi
762
763 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
764
765 DISABLED_FEATURES=none
766 csc_compiler=default
767 endian=unknown
768 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
769 AC_MSG_CHECKING([CSharp compiler to use])
770 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
771    if test x$withval = xmcs; then
772        csc_compiler=mcs
773    elif test x$withval = xroslyn; then
774        csc_compiler=roslyn
775    elif test x$withval = xdefault; then
776        :
777    else
778        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
779    fi
780 ],[csc_compiler=default])
781
782 if test $csc_compiler = default; then
783    if test $endian = big; then
784       csc_compiler=mcs
785    elif test $endian = little; then
786       csc_compiler=roslyn
787    else
788       csc_compiler=mcs
789    fi
790 fi
791 AC_MSG_RESULT($csc_compiler)
792
793 #
794 # Set the build profiles and options before things which use them
795 #
796
797 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])
798 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
799 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
800 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])
801 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])
802 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
803 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
804 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])
805 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])
806 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
807 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
808 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
809
810
811 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
812
813 dnl
814 dnl Profile defaults
815 dnl
816 TEST_PROFILE=default
817 enable_llvm_default=no
818
819 with_profile4_x_default=no
820 with_monodroid_default=no
821 with_monotouch_default=no
822 with_monotouch_watch_default=no
823 with_monotouch_tv_default=no
824 with_xammac_default=no
825 with_testing_aot_hybrid_default=no
826 with_testing_aot_full_default=no
827 with_winaot_default=no
828 with_orbis_default=no
829 with_unreal_default=no
830
831 with_bitcode_default=no
832 with_cooperative_gc_default=no
833
834 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
835
836 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
837    DISABLE_MCS_DOCS_default=yes
838 elif test x$with_runtime_preset = xnet_4_x; then
839    with_profile4_x_default=yes
840 elif test x$with_runtime_preset = xall; then
841    with_profile4_x_default=yes
842    with_monodroid_default=yes
843    with_monotouch_default=yes
844    with_monotouch_watch_default=yes
845    with_monotouch_tv_default=yes
846    with_xammac_default=yes
847    with_winaot_default=yes
848    with_orbis_default=yes
849    with_unreal_default=yes
850 elif test x$with_runtime_preset = xfullaot; then
851    DISABLE_MCS_DOCS_default=yes
852    with_testing_aot_full_default=yes
853    TEST_PROFILE=testing_aot_full
854
855    mono_feature_disable_com='yes'
856    mono_feature_disable_remoting='yes'
857    mono_feature_disable_reflection_emit_save='yes'
858    mono_feature_disable_reflection_emit='yes'
859    mono_feature_disable_appdomains='yes'
860
861    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
862
863    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
864 elif test x$with_runtime_preset = xbitcode; then
865    DISABLE_MCS_DOCS_default=yes
866    with_testing_aot_full_default=yes
867    with_bitcode_default=yes
868    with_cooperative_gc_default=yes
869    TEST_PROFILE=testing_aot_full
870    enable_llvm_default=yes
871
872    mono_feature_disable_com='yes'
873    mono_feature_disable_remoting='yes'
874    mono_feature_disable_reflection_emit_save='yes'
875    mono_feature_disable_reflection_emit='yes'
876    mono_feature_disable_appdomains='yes'
877
878    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
879    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
880 elif test x$with_runtime_preset = xhybridaot; then
881    DISABLE_MCS_DOCS_default=yes
882    with_testing_aot_hybrid_default=yes
883    TEST_PROFILE=testing_aot_hybrid 
884
885    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
886    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
887 elif test x$with_runtime_preset = xaot; then
888    with_profile4_x_default=yes
889
890    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
891    AOT_RUN_FLAGS=""
892
893    DISABLE_MCS_DOCS_default=yes
894 elif test x$with_runtime_preset = xwinaot; then
895    DISABLE_MCS_DOCS_default=yes
896    with_winaot_default=yes
897    TEST_PROFILE=winaot
898
899    mono_feature_disable_com='yes'
900    mono_feature_disable_remoting='yes'
901    mono_feature_disable_reflection_emit_save='yes'
902    mono_feature_disable_reflection_emit='yes'
903    mono_feature_disable_appdomains='yes'
904
905    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
906    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
907 elif test x$with_runtime_preset = xorbis; then
908    DISABLE_MCS_DOCS_default=yes
909    with_orbis_default=yes
910    TEST_PROFILE=orbis
911
912    mono_feature_disable_com='yes'
913    mono_feature_disable_remoting='yes'
914    mono_feature_disable_reflection_emit_save='yes'
915    mono_feature_disable_reflection_emit='yes'
916    mono_feature_disable_appdomains='yes'
917
918    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
919    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
920 elif test x$with_runtime_preset = xunreal; then
921    DISABLE_MCS_DOCS_default=yes
922    with_unreal_default=yes
923    TEST_PROFILE=unreal
924
925    mono_feature_disable_com='yes'
926    mono_feature_disable_remoting='yes'
927    mono_feature_disable_appdomains='no'
928
929    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
930    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
931 else
932    with_profile4_x_default=yes
933 fi
934
935 if test "x$AOT_BUILD_FLAGS" != "x"; then :
936    AC_SUBST(AOT_BUILD_FLAGS)
937    AC_SUBST(AOT_RUN_FLAGS)
938    # For llvmonlycheck + fullaotcheck
939    AC_SUBST(INVARIANT_AOT_OPTIONS)
940 fi
941
942 AC_SUBST(TEST_PROFILE)
943
944 if test "x$with_profile4_x" = "xdefault"; then
945    with_profile4_x=$with_profile4_x_default
946 fi
947 if test "x$with_monodroid" = "xdefault"; then
948    with_monodroid=$with_monodroid_default
949 fi
950 if test "x$with_monotouch" = "xdefault"; then
951    with_monotouch=$with_monotouch_default
952 fi
953 if test "x$with_monotouch_watch" = "xdefault"; then
954    with_monotouch_watch=$with_monotouch_watch_default
955 fi
956 if test "x$with_monotouch_tv" = "xdefault"; then
957    with_monotouch_tv=$with_monotouch_tv_default
958 fi
959 if test "x$with_bitcode" = "xdefault"; then
960    with_bitcode=$with_bitcode_default
961 fi
962 if test "x$with_xammac" = "xdefault"; then
963    with_xammac=$with_xammac_default
964 fi
965 if test "x$with_testing_aot_hybrid" = "xdefault"; then
966    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
967 fi
968 if test "x$with_testing_aot_full" = "xdefault"; then
969    with_testing_aot_full=$with_testing_aot_full_default
970 fi
971 if test "x$with_winaot" = "xdefault"; then
972    with_winaot=$with_winaot_default
973 fi
974 if test "x$with_orbis" = "xdefault"; then
975    with_orbis=$with_orbis_default
976 fi
977 if test "x$with_unreal" = "xdefault"; then
978    with_unreal=$with_unreal_default
979 fi
980
981
982 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
983 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
984 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
985 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
986 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
987 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
988 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
989 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
990 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
991 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
992 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
993 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
994 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
995 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
996
997 default_profile=net_4_x
998 if test -z "$INSTALL_MONODROID_TRUE"; then :
999    default_profile=monodroid
1000 fi
1001 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1002    default_profile=monotouch
1003 fi
1004 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1005    default_profile=xammac
1006 fi
1007 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1008    default_profile=testing_aot_hybrid
1009 fi
1010 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1011    default_profile=testing_aot_full
1012 fi
1013 if test -z "$INSTALL_WINAOT_TRUE"; then :
1014    default_profile=winaot
1015 fi
1016 if test -z "$INSTALL_ORBIS_TRUE"; then :
1017    default_profile=orbis
1018 fi
1019 if test -z "$INSTALL_UNREAL_TRUE"; then :
1020    default_profile=unreal
1021 fi
1022 if test -z "$INSTALL_4_x_TRUE"; then :
1023    default_profile=net_4_x
1024 fi
1025 DEFAULT_PROFILE=$default_profile
1026 AC_SUBST(DEFAULT_PROFILE)
1027
1028 #
1029 # End build profile configuration
1030 #
1031
1032 if test x$USE_NLS = xprofile_default; then
1033
1034         AC_MSG_CHECKING([NLS used])
1035
1036         # We make the default value for USE_NLS
1037         # "no" on OSX because it isn't available on most
1038         # default OSX installs. The most common configurations will
1039         # all disable it, so this saves us typing.
1040         if test x$host_darwin = xyes; then
1041                 USE_NLS=no;
1042         else
1043                 USE_NLS=yes;
1044         fi
1045
1046         AC_SUBST([USE_NLS])
1047         AC_MSG_RESULT([$USE_NLS])
1048 fi
1049
1050 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1051      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1052      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1053          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1054 [
1055         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1056                 eval "mono_feature_disable_$feature='yes'"
1057         done
1058         DISABLED_FEATURES=$enable_minimal
1059         disabled="Disabled:      $enable_minimal"
1060 ],[])
1061
1062 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1063
1064 if test "x$mono_feature_disable_aot" = "xyes"; then
1065         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1066         enable_system_aot=no
1067         AC_MSG_NOTICE([Disabled AOT compiler])
1068 fi
1069
1070 if test "x$mono_feature_disable_profiler" = "xyes"; then
1071         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1072         AC_MSG_NOTICE([Disabled support for the profiler])
1073 fi
1074 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1075
1076 if test "x$mono_feature_disable_decimal" = "xyes"; then
1077         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1078         AC_MSG_NOTICE([Disabled support for decimal])
1079 fi
1080
1081 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1082         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1083         AC_MSG_NOTICE([Disabled support for P/Invoke])
1084 fi
1085
1086 if test "x$mono_feature_disable_debug" = "xyes"; then
1087         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1088         AC_MSG_NOTICE([Disabled support for runtime debugging])
1089 fi
1090
1091 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1092         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1093         mono_feature_disable_reflection_emit_save=yes
1094         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1095 fi
1096
1097 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1098         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1099         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1100 fi
1101
1102 if test "x$mono_feature_disable_large_code" = "xyes"; then
1103         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1104         AC_MSG_NOTICE([Disabled support for large assemblies])
1105 fi
1106
1107 if test "x$mono_feature_disable_logging" = "xyes"; then
1108         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1109         AC_MSG_NOTICE([Disabled support for logging])
1110 fi
1111
1112 if test "x$mono_feature_disable_com" = "xyes"; then
1113         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1114         AC_MSG_NOTICE([Disabled COM support])
1115 fi
1116
1117 if test "x$mono_feature_disable_ssa" = "xyes"; then
1118         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1119         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1120 fi
1121
1122 if test "x$mono_feature_disable_generics" = "xyes"; then
1123         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1124         AC_MSG_NOTICE([Disabled Generics Support])
1125 fi
1126
1127 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1128         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1129         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1130 fi
1131
1132 if test "x$mono_feature_disable_portability" = "xyes"; then
1133         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1134         AC_MSG_NOTICE([Disabled IO Portability layer])
1135 fi
1136
1137 if test "x$mono_feature_disable_attach" = "xyes"; then
1138         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1139         AC_MSG_NOTICE([Disabled agent attach])
1140 fi
1141
1142 if test "x$mono_feature_disable_verifier" = "xyes"; then
1143         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1144         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1145 fi
1146
1147 if test "x$mono_feature_disable_jit" = "xyes"; then
1148         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1149         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1150 fi
1151
1152 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1153
1154 if test "x$mono_feature_disable_simd" = "xyes"; then
1155         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1156         AC_MSG_NOTICE([Disabled SIMD support])
1157 fi
1158
1159 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1160         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1161         AC_MSG_NOTICE([Disabled Soft Debugger.])
1162 fi
1163
1164 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1165         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1166         AC_MSG_NOTICE([Disabled Performance Counters.])
1167 fi
1168 if test "x$mono_feature_disable_normalization" = "xyes"; then
1169         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1170         AC_MSG_NOTICE([Disabled String normalization support.])
1171 fi
1172
1173 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1174 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1175         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1176         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1177 fi
1178
1179 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1180         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1181         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1182 fi
1183
1184 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1185         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1186         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1187 fi
1188
1189 if test "x$mono_feature_disable_remoting" = "xyes"; then
1190         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1191         AC_MSG_NOTICE([Disabled remoting])
1192 fi
1193
1194 if test "x$mono_feature_disable_security" = "xyes"; then
1195         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1196         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1197 fi
1198
1199 if test "x$mono_feature_disable_lldb" = "xyes"; then
1200         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1201         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1202 fi
1203
1204 if test "x$mono_feature_disable_mdb" = "xyes"; then
1205         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1206         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1207 fi
1208
1209 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1210         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1211         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1212 fi
1213
1214 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1215         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1216         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1217 fi
1218
1219 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1220         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1221         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1222 fi
1223
1224 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1225         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1226         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1227 fi
1228
1229 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1230         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1231         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1232 fi
1233
1234 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1235 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1236
1237 has_extension_module=no
1238 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1239 [
1240         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1241                 if test x$extension = xdefault ; then
1242                         has_extension_module=yes;
1243                 fi
1244         done
1245         if test x$enable_extension_module = xyes; then
1246                 has_extension_module=yes;
1247         fi
1248 ], [])
1249
1250 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1251
1252 if test x$has_extension_module != xno ; then
1253         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1254         AC_MSG_NOTICE([Enabling mono extension module.])
1255 fi
1256
1257 # Deprecated
1258 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1259
1260 AC_MSG_CHECKING(for visibility __attribute__)
1261 AC_COMPILE_IFELSE([
1262         AC_LANG_SOURCE([[
1263                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1264                 int main () { doit (); return 0; }
1265         ]])
1266 ], [
1267    have_visibility_hidden=yes
1268    AC_MSG_RESULT(yes)
1269 ], [
1270    have_visibility_hidden=no
1271    AC_MSG_RESULT(no)
1272 ])
1273
1274 dnl
1275 dnl Boehm GC configuration
1276 dnl
1277
1278 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1279
1280 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1281 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1282
1283 if test "x$support_boehm" = "xyes"; then
1284
1285         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1286         if test x$enable_parallel_mark = xyes; then
1287                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1288         fi
1289
1290         gc_msg=""
1291         LIBGC_CPPFLAGS=
1292         LIBGC_LIBS=
1293         LIBGC_STATIC_LIBS=
1294         libgc_dir=
1295         case "x$libgc" in
1296                 xincluded)
1297                         if test "x$support_boehm" = "xyes"; then
1298                                 libgc_dir=libgc
1299                         fi
1300
1301                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1302                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1303                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1304
1305                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1306
1307                         if test x$target_win32 = xyes; then
1308                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1309                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1310                         fi
1311
1312                         gc_msg="Included Boehm GC with typed GC"
1313                         if test x$enable_parallel_mark = xyes; then
1314                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1315                                 gc_msg="$gc_msg and parallel mark"
1316                         else
1317                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1318                         fi
1319                         ;;
1320
1321                 xboehm|xbohem|xyes)
1322                         AC_MSG_WARN("External Boehm is no longer supported")
1323                         ;;
1324
1325                 xsgen)
1326                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1327                         ;;
1328
1329                 xnone)
1330                         AC_MSG_WARN("Compiling mono without GC.")
1331                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1332                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1333                         gc_msg="none"
1334                         ;;
1335                 *)
1336                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1337                         ;;
1338         esac
1339
1340         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1341         if test "x$large_heap" = "xyes"; then
1342            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1343         fi
1344
1345         AC_SUBST(LIBGC_CPPFLAGS)
1346         AC_SUBST(LIBGC_LIBS)
1347         AC_SUBST(LIBGC_STATIC_LIBS)
1348         AC_SUBST(libgc_dir)
1349         AC_SUBST(BOEHM_DEFINES)
1350
1351 fi
1352 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1353
1354 dnl
1355 dnl End of Boehm GC Configuration
1356 dnl
1357
1358 dnl *************************************
1359 dnl *** Checks for zero length arrays ***
1360 dnl *************************************
1361 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1362 AC_TRY_COMPILE([
1363         struct s {
1364                 int  length;
1365                 char data [0];
1366         };
1367 ], [], [
1368         AC_MSG_RESULT(yes)
1369         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1370 ], [
1371         AC_MSG_RESULT(no)
1372         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1373 ])
1374
1375 dnl ***********************************
1376 dnl *** Checks for signals
1377 dnl ***********************************
1378 AC_CHECK_HEADERS(signal.h)
1379 AC_CHECK_FUNCS(sigaction)
1380 AC_CHECK_FUNCS(kill)
1381 AC_CHECK_FUNCS(signal)
1382
1383 # signal() is declared inline in Android headers
1384 # so we need to workaround it by overriding the check.
1385 if test x$platform_android = xyes; then
1386         AC_DEFINE(HAVE_SIGNAL,1)
1387 fi
1388
1389 if test x$host_win32 = xno; then
1390
1391         dnl hires monotonic clock support
1392         AC_SEARCH_LIBS(clock_gettime, rt)
1393         AC_CHECK_FUNCS(clock_nanosleep)
1394
1395         dnl dynamic loader support
1396         AC_CHECK_FUNC(dlopen, DL_LIB="",
1397                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1398         )
1399         if test x$dl_support = xno; then
1400                 AC_MSG_WARN([No dynamic loading support available])
1401         else
1402                 LIBS="$LIBS $DL_LIB"
1403                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1404                 dnl from glib's configure.ac
1405                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1406                         mono_cv_uscore,[
1407                         AC_TRY_RUN([#include <dlfcn.h>
1408                         int mono_underscore_test (void) { return 42; }
1409                         int main() {
1410                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1411                           handle = dlopen ((void*)0, 0);
1412                           if (handle) {
1413                             f1 = dlsym (handle, "mono_underscore_test");
1414                             f2 = dlsym (handle, "_mono_underscore_test");
1415                           } return (!f2 || f1);
1416                         }],
1417                                 [mono_cv_uscore=yes],
1418                                 [mono_cv_uscore=no],
1419                         [])
1420                 ])
1421                 if test "x$mono_cv_uscore" = "xyes"; then
1422                         MONO_DL_NEED_USCORE=1
1423                 else
1424                         MONO_DL_NEED_USCORE=0
1425                 fi
1426                 AC_SUBST(MONO_DL_NEED_USCORE)
1427                 AC_CHECK_FUNC(dlerror)
1428         fi
1429
1430         dnl ******************************************************************
1431         dnl *** Checks for the IKVM JNI interface library                  ***
1432         dnl ******************************************************************
1433         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])
1434
1435         ikvm_native_dir=
1436         if test x$with_ikvm_native = xyes; then
1437                 ikvm_native_dir=ikvm-native
1438                 jdk_headers_found="IKVM Native"
1439         fi
1440
1441         AC_SUBST(ikvm_native_dir)
1442
1443         AC_CHECK_HEADERS(execinfo.h)
1444
1445         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1446
1447         AC_CHECK_FUNCS(getgrgid_r)
1448         AC_CHECK_FUNCS(getgrnam_r)
1449         AC_CHECK_FUNCS(getresuid)
1450         AC_CHECK_FUNCS(setresuid)
1451         AC_CHECK_FUNCS(kqueue)
1452         AC_CHECK_FUNCS(backtrace_symbols)
1453         AC_CHECK_FUNCS(mkstemp)
1454         AC_CHECK_FUNCS(mmap)
1455         AC_CHECK_FUNCS(madvise)
1456         AC_CHECK_FUNCS(getrusage)
1457         AC_CHECK_FUNCS(getpriority)
1458         AC_CHECK_FUNCS(setpriority)
1459         AC_CHECK_FUNCS(dl_iterate_phdr)
1460         AC_CHECK_FUNCS(dladdr)
1461         AC_CHECK_FUNCS(sysconf)
1462         AC_CHECK_FUNCS(getrlimit)
1463         AC_CHECK_FUNCS(prctl)
1464
1465         AC_CHECK_FUNCS(sched_getaffinity)
1466         AC_CHECK_FUNCS(sched_setaffinity)
1467         AC_CHECK_FUNCS(sched_getcpu)
1468
1469         if test x$platform_android != xyes; then
1470                 AC_CHECK_FUNCS(getpwnam_r)
1471                 AC_CHECK_FUNCS(getpwuid_r)
1472         fi
1473
1474         dnl ****************************************************************
1475         dnl *** Check for sched_setaffinity from glibc versions before   ***
1476         dnl *** 2.3.4. The older versions of the function only take 2    ***
1477         dnl *** parameters, not 3.                                       ***
1478         dnl ***                                                          ***
1479         dnl *** Because the interface change was not made in a minor     ***
1480         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1481         dnl *** won't always indicate the interface sched_affinity has.  ***
1482         dnl ****************************************************************
1483         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1484         AC_TRY_COMPILE([#include <sched.h>], [
1485             int mask = 1; 
1486             sched_setaffinity(0, &mask);
1487                         return 0;
1488         ], [
1489                 # Yes, we have it...
1490                 AC_MSG_RESULT(yes)
1491                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1492         ], [
1493                 # We have the new, three-parameter version
1494                 AC_MSG_RESULT(no)
1495         ])
1496         AC_TRY_COMPILE([#include <sched.h>], [
1497              CPU_COUNT((void *) 0);
1498         ], [
1499                 AC_MSG_RESULT(yes)
1500                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1501         ], [
1502                 # We have the new, three-parameter version
1503                 AC_MSG_RESULT(no)
1504         ])
1505
1506         dnl ******************************************************************
1507         dnl *** Check for large file support                               ***
1508         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1509         dnl ******************************************************************
1510         
1511         # Check that off_t can represent 2**63 - 1 correctly, working around
1512         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1513         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1514         large_offt=no
1515         AC_DEFUN([LARGE_FILES], [
1516                 large_CPPFLAGS=$CPPFLAGS
1517                 CPPFLAGS="$CPPFLAGS $1"
1518                 AC_TRY_COMPILE([
1519                         #include <sys/types.h>
1520                         #include <limits.h>
1521                 ], [
1522                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1523                         #define COMPILE_TIME_ASSERT(pred) \
1524                                 switch(0){case 0:case pred:;}
1525                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1526                 ], [
1527                         AC_MSG_RESULT(ok)
1528                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1529                         large_CPPFLAGS="$large_CPPFLAGS $1"
1530                         large_offt=yes
1531                 ], [
1532                         AC_MSG_RESULT(no)
1533                 ])
1534                 CPPFLAGS=$large_CPPFLAGS
1535         ])
1536
1537         AC_MSG_CHECKING(if off_t is 64 bits wide)
1538         LARGE_FILES("")
1539         if test $large_offt = no; then
1540                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1541                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1542         fi
1543         if test $large_offt = no; then
1544                 AC_MSG_WARN([No 64 bit file size support available])
1545         fi
1546         
1547         dnl *****************************
1548         dnl *** Checks for libsocket  ***
1549         dnl *****************************
1550         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1551
1552         case "$host" in
1553                 *-*-*freebsd*)
1554                         dnl *****************************
1555                         dnl *** Checks for libinotify ***
1556                         dnl *****************************
1557                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1558         esac
1559
1560         dnl *******************************
1561         dnl *** Checks for MSG_NOSIGNAL ***
1562         dnl *******************************
1563         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1564         AC_TRY_COMPILE([#include <sys/socket.h>], [
1565                 int f = MSG_NOSIGNAL;
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1570         ], [
1571                 # We'll have to use signals
1572                 AC_MSG_RESULT(no)
1573         ])
1574
1575         dnl *****************************
1576         dnl *** Checks for IPPROTO_IP ***
1577         dnl *****************************
1578         AC_MSG_CHECKING(for IPPROTO_IP)
1579         AC_TRY_COMPILE([#include <netinet/in.h>], [
1580                 int level = IPPROTO_IP;
1581         ], [
1582                 # Yes, we have it...
1583                 AC_MSG_RESULT(yes)
1584                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1585         ], [
1586                 # We'll have to use getprotobyname
1587                 AC_MSG_RESULT(no)
1588         ])
1589
1590         dnl *******************************
1591         dnl *** Checks for IPPROTO_IPV6 ***
1592         dnl *******************************
1593         AC_MSG_CHECKING(for IPPROTO_IPV6)
1594         AC_TRY_COMPILE([#include <netinet/in.h>], [
1595                 int level = IPPROTO_IPV6;
1596         ], [
1597                 # Yes, we have it...
1598                 AC_MSG_RESULT(yes)
1599                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1600         ], [
1601                 # We'll have to use getprotobyname
1602                 AC_MSG_RESULT(no)
1603         ])
1604
1605         dnl ******************************
1606         dnl *** Checks for IPPROTO_TCP ***
1607         dnl ******************************
1608         AC_MSG_CHECKING(for IPPROTO_TCP)
1609         AC_TRY_COMPILE([#include <netinet/in.h>], [
1610                 int level = IPPROTO_TCP;
1611         ], [
1612                 # Yes, we have it...
1613                 AC_MSG_RESULT(yes)
1614                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1615         ], [
1616                 # We'll have to use getprotobyname
1617                 AC_MSG_RESULT(no)
1618         ])
1619
1620         dnl *****************************
1621         dnl *** Checks for SOL_IP     ***
1622         dnl *****************************
1623         AC_MSG_CHECKING(for SOL_IP)
1624         AC_TRY_COMPILE([#include <netdb.h>], [
1625                 int level = SOL_IP;
1626         ], [
1627                 # Yes, we have it...
1628                 AC_MSG_RESULT(yes)
1629                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1630         ], [
1631                 # We'll have to use getprotobyname
1632                 AC_MSG_RESULT(no)
1633         ])
1634
1635         dnl *****************************
1636         dnl *** Checks for SOL_IPV6     ***
1637         dnl *****************************
1638         AC_MSG_CHECKING(for SOL_IPV6)
1639         AC_TRY_COMPILE([#include <netdb.h>], [
1640                 int level = SOL_IPV6;
1641         ], [
1642                 # Yes, we have it...
1643                 AC_MSG_RESULT(yes)
1644                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1645         ], [
1646                 # We'll have to use getprotobyname
1647                 AC_MSG_RESULT(no)
1648         ])
1649
1650         dnl *****************************
1651         dnl *** Checks for SOL_TCP    ***
1652         dnl *****************************
1653         AC_MSG_CHECKING(for SOL_TCP)
1654         AC_TRY_COMPILE([#include <netdb.h>], [
1655                 int level = SOL_TCP;
1656         ], [
1657                 # Yes, we have it...
1658                 AC_MSG_RESULT(yes)
1659                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1660         ], [
1661                 # We'll have to use getprotobyname
1662                 AC_MSG_RESULT(no)
1663         ])
1664
1665         dnl *****************************
1666         dnl *** Checks for IP_PKTINFO ***
1667         dnl *****************************
1668         AC_MSG_CHECKING(for IP_PKTINFO)
1669         AC_TRY_COMPILE([#include <linux/in.h>], [
1670                 int level = IP_PKTINFO;
1671         ], [
1672                 # Yes, we have it...
1673                 AC_MSG_RESULT(yes)
1674                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1675         ], [
1676                 AC_MSG_RESULT(no)
1677         ])
1678
1679         dnl *****************************
1680         dnl *** Checks for IPV6_PKTINFO ***
1681         dnl *****************************
1682         AC_MSG_CHECKING(for IPV6_PKTINFO)
1683         AC_TRY_COMPILE([#include <netdb.h>], [
1684                 int level = IPV6_PKTINFO;
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1689         ], [
1690                 AC_MSG_RESULT(no)
1691         ])
1692
1693         dnl **********************************
1694         dnl *** Checks for IP_DONTFRAG     ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for IP_DONTFRAG)
1697         AC_TRY_COMPILE([#include <netinet/in.h>], [
1698                 int level = IP_DONTFRAG;
1699         ], [
1700                 # Yes, we have it...
1701                 AC_MSG_RESULT(yes)
1702                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1703         ], [
1704                 AC_MSG_RESULT(no)
1705         ])
1706
1707         dnl **********************************
1708         dnl *** Checks for IP_DONTFRAGMENT ***
1709         dnl **********************************
1710         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1711         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1712                 int level = IP_DONTFRAGMENT;
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl **********************************
1722         dnl *** Checks for IP_MTU_DISCOVER ***
1723         dnl **********************************
1724         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1725         AC_TRY_COMPILE([#include <linux/in.h>], [
1726                 int level = IP_MTU_DISCOVER;
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl **********************************
1736         dnl *** Checks for  IP_PMTUDISC_DO ***
1737         dnl **********************************
1738         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1739         AC_TRY_COMPILE([#include <linux/in.h>], [
1740                 int level = IP_PMTUDISC_DO;
1741         ], [
1742                 # Yes, we have it...
1743                 AC_MSG_RESULT(yes)
1744                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1745         ], [
1746                 AC_MSG_RESULT(no)
1747         ])
1748
1749         dnl *********************************
1750         dnl *** Check for struct ip_mreqn ***
1751         dnl *********************************
1752         AC_MSG_CHECKING(for struct ip_mreqn)
1753         AC_TRY_COMPILE([#include <netinet/in.h>], [
1754                 struct ip_mreqn mreq;
1755                 mreq.imr_address.s_addr = 0;
1756         ], [
1757                 # Yes, we have it...
1758                 AC_MSG_RESULT(yes)
1759                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1760         ], [
1761                 # We'll just have to try and use struct ip_mreq
1762                 AC_MSG_RESULT(no)
1763                 AC_MSG_CHECKING(for struct ip_mreq)
1764                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1765                         struct ip_mreq mreq;
1766                         mreq.imr_interface.s_addr = 0;
1767                 ], [
1768                         # Yes, we have it...
1769                         AC_MSG_RESULT(yes)
1770                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1771                 ], [
1772                         # No multicast support
1773                         AC_MSG_RESULT(no)
1774                 ])
1775         ])
1776         
1777         dnl **********************************
1778         dnl *** Check for getaddrinfo ***
1779         dnl **********************************
1780         AC_MSG_CHECKING(for getaddrinfo)
1781                 AC_TRY_LINK([
1782                 #include <stdio.h>
1783                 #include <netdb.h>
1784         ], [
1785                 getaddrinfo(NULL,NULL,NULL,NULL);
1786         ], [
1787                 # Yes, we have it...
1788                 AC_MSG_RESULT(yes)
1789                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1790         ], [
1791                 AC_MSG_RESULT(no)
1792         ])
1793
1794         dnl **********************************
1795         dnl *** Check for gethostbyname2_r ***
1796         dnl **********************************
1797         AC_MSG_CHECKING(for gethostbyname2_r)
1798                 AC_TRY_LINK([
1799                 #include <stdio.h>
1800                 #include <netdb.h>
1801         ], [
1802
1803                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1804         ], [
1805                 # Yes, we have it...
1806                 AC_MSG_RESULT(yes)
1807                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1808         ], [
1809                 AC_MSG_RESULT(no)
1810         ])
1811
1812         dnl **********************************
1813         dnl *** Check for gethostbyname2 ***
1814         dnl **********************************
1815         AC_MSG_CHECKING(for gethostbyname2)
1816                 AC_TRY_LINK([
1817                 #include <stdio.h>
1818                 #include <netdb.h>
1819         ], [
1820                 gethostbyname2(NULL,0);
1821         ], [
1822                 # Yes, we have it...
1823                 AC_MSG_RESULT(yes)
1824                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1825         ], [
1826                 AC_MSG_RESULT(no)
1827         ])
1828
1829         dnl **********************************
1830         dnl *** Check for gethostbyname ***
1831         dnl **********************************
1832         AC_MSG_CHECKING(for gethostbyname)
1833                 AC_TRY_LINK([
1834                 #include <stdio.h>
1835                 #include <netdb.h>
1836         ], [
1837                 gethostbyname(NULL);
1838         ], [
1839                 # Yes, we have it...
1840                 AC_MSG_RESULT(yes)
1841                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1842         ], [
1843                 AC_MSG_RESULT(no)
1844         ])
1845
1846         dnl **********************************
1847         dnl *** Check for getprotobyname ***
1848         dnl **********************************
1849         AC_MSG_CHECKING(for getprotobyname)
1850                 AC_TRY_LINK([
1851                 #include <stdio.h>
1852                 #include <netdb.h>
1853         ], [
1854                 getprotobyname(NULL);
1855         ], [
1856                 # Yes, we have it...
1857                 AC_MSG_RESULT(yes)
1858                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1859         ], [
1860                 AC_MSG_RESULT(no)
1861         ])
1862
1863         dnl **********************************
1864         dnl *** Check for getnameinfo ***
1865         dnl **********************************
1866         AC_MSG_CHECKING(for getnameinfo)
1867                 AC_TRY_LINK([
1868                 #include <stdio.h>
1869                 #include <netdb.h>
1870         ], [
1871                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1872         ], [
1873                 # Yes, we have it...
1874                 AC_MSG_RESULT(yes)
1875                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1876         ], [
1877                 AC_MSG_RESULT(no)
1878         ])
1879
1880
1881         dnl **********************************
1882         dnl *** Check for inet_ntop ***
1883         dnl **********************************
1884         AC_MSG_CHECKING(for inet_ntop)
1885                 AC_TRY_LINK([
1886                 #include <stdio.h>
1887                 #include <arpa/inet.h>
1888         ], [
1889                 inet_ntop (0, NULL, NULL, 0);
1890         ], [
1891                 # Yes, we have it...
1892                 AC_MSG_RESULT(yes)
1893                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1894         ], [
1895                 AC_MSG_RESULT(no)
1896         ])
1897
1898         dnl *****************************
1899         dnl *** Checks for libnsl     ***
1900         dnl *****************************
1901         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1902
1903         AC_CHECK_FUNCS(inet_pton inet_aton)
1904
1905         dnl *****************************
1906         dnl *** Checks for libxnet    ***
1907         dnl *****************************
1908         case "${host}" in
1909                 *solaris* )
1910                         AC_MSG_CHECKING(for Solaris XPG4 support)
1911                         if test -f /usr/lib/libxnet.so; then
1912                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1913                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1914                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1915                                 LIBS="$LIBS -lxnet"
1916                                 AC_MSG_RESULT(yes)
1917                         else
1918                                 AC_MSG_RESULT(no)
1919                         fi
1920
1921                         if test "$GCC" = "yes"; then
1922                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1923                         fi
1924                 ;;
1925         esac
1926
1927         dnl *****************************
1928         dnl *** Checks for libpthread ***
1929         dnl *****************************
1930 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1931 # and libpthread does not exist
1932 #
1933         case "${host}" in
1934                 *-*-*haiku*)
1935                         dnl Haiku has pthread in libroot (libc equiv)
1936                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1937                 ;;
1938                 *-*-*freebsd*)
1939                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1940                 ;;
1941                 *-*-*openbsd*)
1942                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1943                 ;;
1944                 *)
1945                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1946                 ;;
1947         esac
1948         AC_CHECK_HEADERS(pthread.h)
1949         AC_CHECK_HEADERS(pthread_np.h)
1950         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1951         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1952         AC_CHECK_FUNCS(pthread_kill)
1953         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1954         AC_TRY_COMPILE([ #include <pthread.h>], [
1955                 pthread_mutexattr_t attr;
1956                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1957         ], [
1958                 AC_MSG_RESULT(ok)
1959         ], [
1960                 AC_MSG_RESULT(no)
1961                 AC_ERROR(Posix system lacks support for recursive mutexes)
1962         ])
1963         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1964         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1965         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1966
1967         dnl **********************************
1968         dnl *** Check for mincore ***
1969         dnl **********************************
1970         AC_MSG_CHECKING(for mincore)
1971                 AC_TRY_LINK([
1972                 #include <stdio.h>
1973                 #include <sys/types.h>
1974                 #include <sys/mman.h>
1975         ], [
1976                 mincore(NULL, 0, NULL);
1977         ], [
1978                 # Yes, we have it...
1979                 AC_MSG_RESULT(yes)
1980                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1981         ], [
1982                 AC_MSG_RESULT(no)
1983         ])
1984
1985         dnl ***********************************
1986         dnl *** Checks for working __thread ***
1987         dnl ***********************************
1988         AC_MSG_CHECKING(for working __thread)
1989         if test "x$with_tls" != "x__thread"; then
1990                 AC_MSG_RESULT(disabled)
1991         elif test "x$cross_compiling" = "xyes"; then
1992                 AC_MSG_RESULT(cross compiling, assuming yes)
1993         else
1994                 AC_TRY_RUN([
1995                         #if defined(__APPLE__) && defined(__clang__)
1996                         #error "__thread does not currently work with clang on Mac OS X"
1997                         #endif
1998                         
1999                         #include <pthread.h>
2000                         __thread int i;
2001                         static int res1, res2;
2002
2003                         void thread_main (void *arg)
2004                         {
2005                                 i = arg;
2006                                 sleep (1);
2007                                 if (arg == 1)
2008                                         res1 = (i == arg);
2009                                 else
2010                                         res2 = (i == arg);
2011                         }
2012
2013                         int main () {
2014                                 pthread_t t1, t2;
2015
2016                                 i = 5;
2017
2018                                 pthread_create (&t1, NULL, thread_main, 1);
2019                                 pthread_create (&t2, NULL, thread_main, 2);
2020
2021                                 pthread_join (t1, NULL);
2022                                 pthread_join (t2, NULL);
2023
2024                                 return !(res1 + res2 == 2);
2025                         }
2026                 ], [
2027                                 AC_MSG_RESULT(yes)
2028                 ], [
2029                                 AC_MSG_RESULT(no)
2030                                 with_tls=pthread
2031                 ])
2032         fi
2033
2034         dnl **************************************
2035         dnl *** Checks for working sigaltstack ***
2036         dnl **************************************
2037         AC_MSG_CHECKING(for working sigaltstack)
2038         if test "x$with_sigaltstack" != "xyes"; then
2039                 AC_MSG_RESULT(disabled)
2040         elif test "x$cross_compiling" = "xyes"; then
2041                 AC_MSG_RESULT(cross compiling, assuming yes)
2042         else
2043                 AC_TRY_RUN([
2044                         #include <stdio.h>
2045                         #include <stdlib.h>
2046                         #include <unistd.h>
2047                         #include <signal.h>
2048                         #include <pthread.h>
2049                         #include <sys/wait.h>
2050                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2051                         #define SA_STACK SA_ONSTACK
2052                         #endif
2053                         static void
2054                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2055                         {
2056                                 exit (0);
2057                         }
2058
2059                         volatile char*__ptr = NULL;
2060                         static void *
2061                         loop (void *ignored)
2062                         {
2063                                 *__ptr = 0;
2064                                 return NULL;
2065                         }
2066
2067                         static void
2068                         child ()
2069                         {
2070                                 struct sigaction sa;
2071                         #ifdef __APPLE__
2072                                 stack_t sas;
2073                         #else
2074                                 struct sigaltstack sas;
2075                         #endif
2076                                 pthread_t id;
2077                                 pthread_attr_t attr;
2078
2079                                 sa.sa_sigaction = sigsegv_signal_handler;
2080                                 sigemptyset (&sa.sa_mask);
2081                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2082                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2083                                         perror ("sigaction");
2084                                         return;
2085                                 }
2086
2087                                 /* x86 darwin deliver segfaults using SIGBUS */
2088                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2089                                         perror ("sigaction");
2090                                         return;
2091                                 }
2092                                 sas.ss_sp = malloc (SIGSTKSZ);
2093                                 sas.ss_size = SIGSTKSZ;
2094                                 sas.ss_flags = 0;
2095                                 if (sigaltstack (&sas, NULL) == -1) {
2096                                         perror ("sigaltstack");
2097                                         return;
2098                                 }
2099
2100                                 pthread_attr_init (&attr);
2101                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2102                                         printf ("pthread_create\n");
2103                                         return;
2104                                 }
2105
2106                                 sleep (100);
2107                         }
2108
2109                         int
2110                         main ()
2111                         {
2112                                 pid_t son;
2113                                 int status;
2114                                 int i;
2115
2116                                 son = fork ();
2117                                 if (son == -1) {
2118                                         return 1;
2119                                 }
2120
2121                                 if (son == 0) {
2122                                         child ();
2123                                         return 0;
2124                                 }
2125
2126                                 for (i = 0; i < 300; ++i) {
2127                                         waitpid (son, &status, WNOHANG);
2128                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2129                                                 return 0;
2130                                         usleep (10000);
2131                                 }
2132
2133                                 kill (son, SIGKILL);
2134                                 return 1;
2135                         }
2136
2137                 ], [
2138                                 AC_MSG_RESULT(yes)
2139                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2140                 ], [
2141                                 with_sigaltstack=no
2142                                 AC_MSG_RESULT(no)
2143                 ])
2144         fi
2145
2146         dnl ********************************
2147         dnl *** Checks for semaphore lib ***
2148         dnl ********************************
2149         # 'Real Time' functions on Solaris
2150         # posix4 on Solaris 2.6
2151         # pthread (first!) on Linux
2152         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2153
2154         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2155         AC_CHECK_FUNCS(shm_open)
2156
2157         dnl ********************************
2158         dnl *** Checks for timezone stuff **
2159         dnl ********************************
2160         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2161                 AC_TRY_COMPILE([
2162                         #include <time.h>
2163                         ], [
2164                         struct tm tm;
2165                         tm.tm_gmtoff = 1;
2166                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2167         if test $ac_cv_struct_tm_gmtoff = yes; then
2168                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2169         else
2170                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2171                         AC_TRY_COMPILE([
2172                                 #include <time.h>
2173                         ], [
2174                                 timezone = 1;
2175                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2176                 if test $ac_cv_var_timezone = yes; then
2177                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2178                 else
2179                         AC_ERROR(unable to find a way to determine timezone)
2180                 fi
2181         fi
2182
2183         dnl *********************************
2184         dnl *** Checks for math functions ***
2185         dnl *********************************
2186         AC_SEARCH_LIBS(sqrtf, m)
2187         if test "x$has_broken_apple_cpp" != "xyes"; then
2188                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2189                         AC_TRY_LINK([#include <math.h>], 
2190                         [ finite(0.0); ], 
2191                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2192                         AC_MSG_RESULT(no)))
2193         fi
2194         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2195                 AC_TRY_LINK([#include <math.h>], 
2196                 [ isfinite(0.0); ], 
2197                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2198                 AC_MSG_RESULT(no)))
2199
2200         dnl ****************************************************************
2201         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2202         dnl *** have it in the library (duh))                            ***
2203         dnl ****************************************************************
2204         AC_CHECK_FUNCS(poll)
2205
2206         dnl *************************
2207         dnl *** Check for signbit ***
2208         dnl *************************
2209         AC_MSG_CHECKING(for signbit)
2210         AC_TRY_LINK([#include <math.h>], [
2211                 int s = signbit(1.0);
2212         ], [
2213                 AC_MSG_RESULT(yes)
2214                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2215         ], [
2216                 AC_MSG_RESULT(no)
2217         ]) 
2218
2219         dnl **********************************
2220         dnl *** epoll                      ***
2221         dnl **********************************
2222         AC_CHECK_HEADERS(sys/epoll.h)
2223         haveepoll=no
2224         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2225         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2226                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2227         fi
2228
2229         havekqueue=no
2230
2231         AC_CHECK_HEADERS(sys/event.h)
2232         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2233
2234         dnl **************************************
2235         dnl * Darwin has a race that prevents us from using reliably:
2236         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2237         dnl * Since kqueue is mostly used for scaling large web servers, 
2238         dnl * and very few folks run Mono on large web servers on OSX, falling
2239         dnl * back 
2240         dnl **************************************
2241         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2242                 if test "x$host_darwin" = "xno"; then
2243                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2244                 fi
2245         fi
2246
2247         dnl ******************************
2248         dnl *** Checks for SIOCGIFCONF ***
2249         dnl ******************************
2250         AC_CHECK_HEADERS(sys/ioctl.h)
2251         AC_CHECK_HEADERS(net/if.h, [], [],
2252            [
2253            #ifdef HAVE_SYS_TYPES_H
2254            # include <sys/types.h>
2255            #endif
2256            #ifdef HAVE_SYS_SOCKET_H
2257            # include <sys/socket.h>
2258            #endif
2259            ])
2260         AC_MSG_CHECKING(for ifreq)
2261         AC_TRY_COMPILE([
2262                 #include <stdio.h>
2263                 #include <sys/ioctl.h>
2264                 #include <net/if.h>
2265                 ], [
2266                 struct ifconf ifc;
2267                 struct ifreq *ifr;
2268                 void *x;
2269                 ifc.ifc_len = 0;
2270                 ifc.ifc_buf = NULL;
2271                 x = (void *) &ifr->ifr_addr;
2272                 ],[
2273                         AC_MSG_RESULT(yes)
2274                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2275                 ], [
2276                         AC_MSG_RESULT(no)
2277                 ])
2278         dnl **********************************
2279         dnl ***     Checks for sin_len     ***
2280         dnl **********************************
2281         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2282         AC_TRY_COMPILE([
2283                 #include <netinet/in.h>
2284                 ], [
2285                 struct sockaddr_in saddr;
2286                 saddr.sin_len = sizeof (saddr);
2287                 ],[
2288                         AC_MSG_RESULT(yes)
2289                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2290                 ], [
2291                         AC_MSG_RESULT(no)
2292                 ])      
2293         dnl **********************************
2294         dnl ***    Checks for sin6_len     ***
2295         dnl **********************************
2296         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2297         AC_TRY_COMPILE([
2298                 #include <netinet/in.h>
2299                 ], [
2300                 struct sockaddr_in6 saddr6;
2301                 saddr6.sin6_len = sizeof (saddr6);
2302                 ],[
2303                         AC_MSG_RESULT(yes)
2304                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2305                 ], [
2306                         AC_MSG_RESULT(no)
2307                 ])
2308         dnl **********************************
2309         dnl *** Check for getifaddrs       ***
2310         dnl **********************************
2311         AC_MSG_CHECKING(for getifaddrs)
2312                 AC_TRY_LINK([
2313                 #include <stdio.h>
2314                 #include <sys/types.h>
2315                 #include <sys/socket.h>
2316                 #include <ifaddrs.h>
2317         ], [
2318                 getifaddrs(NULL);
2319         ], [
2320                 # Yes, we have it...
2321                 AC_MSG_RESULT(yes)
2322                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2323         ], [
2324                 AC_MSG_RESULT(no)
2325         ])
2326         dnl **********************************
2327         dnl *** Check for if_nametoindex   ***
2328         dnl **********************************
2329         AC_MSG_CHECKING(for if_nametoindex)
2330                 AC_TRY_LINK([
2331                 #include <stdio.h>
2332                 #include <sys/types.h>
2333                 #include <sys/socket.h>
2334                 #include <net/if.h>
2335         ], [
2336                 if_nametoindex(NULL);
2337         ], [
2338                 # Yes, we have it...
2339                 AC_MSG_RESULT(yes)
2340                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2341         ], [
2342                 AC_MSG_RESULT(no)
2343         ])
2344                         
2345         dnl **********************************
2346         dnl *** Checks for proclib         ***
2347         dnl **********************************
2348         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.)])
2349         dnl **********************************
2350         dnl *** Checks for MonoPosixHelper ***
2351         dnl **********************************
2352         AC_CHECK_HEADERS(checklist.h)
2353         AC_CHECK_HEADERS(pathconf.h)
2354         AC_CHECK_HEADERS(fstab.h)
2355         AC_CHECK_HEADERS(attr/xattr.h)
2356         AC_CHECK_HEADERS(sys/extattr.h)
2357         AC_CHECK_HEADERS(sys/sendfile.h)
2358         AC_CHECK_HEADERS(sys/statvfs.h)
2359         AC_CHECK_HEADERS(sys/statfs.h)
2360         AC_CHECK_HEADERS(sys/vfstab.h)
2361         AC_CHECK_HEADERS(sys/xattr.h)
2362         AC_CHECK_HEADERS(sys/mman.h)
2363         AC_CHECK_HEADERS(sys/param.h)
2364         AC_CHECK_HEADERS(sys/mount.h, [], [],
2365                 [
2366                 #ifdef HAVE_SYS_PARAM_H
2367                 # include <sys/param.h>
2368                 #endif
2369                 ])
2370         AC_CHECK_HEADERS(sys/mount.h)
2371         AC_CHECK_FUNCS(confstr)
2372         AC_CHECK_FUNCS(seekdir telldir)
2373         AC_CHECK_FUNCS(getdomainname)
2374         AC_CHECK_FUNCS(setdomainname)
2375         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2376         AC_CHECK_FUNCS(setgroups)
2377         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2378         AC_CHECK_FUNCS(getfsstat)
2379         AC_CHECK_FUNCS(lutimes futimes)
2380         AC_CHECK_FUNCS(mremap)
2381         AC_CHECK_FUNCS(remap_file_pages)
2382         AC_CHECK_FUNCS(posix_fadvise)
2383         AC_CHECK_FUNCS(posix_fallocate)
2384         AC_CHECK_FUNCS(posix_madvise)
2385         AC_CHECK_FUNCS(vsnprintf)
2386         AC_CHECK_FUNCS(sendfile)
2387         AC_CHECK_FUNCS(gethostid sethostid)
2388         AC_CHECK_FUNCS(sethostname)
2389         AC_CHECK_FUNCS(statfs)
2390         AC_CHECK_FUNCS(fstatfs)
2391         AC_CHECK_FUNCS(statvfs)
2392         AC_CHECK_FUNCS(fstatvfs)
2393         AC_CHECK_FUNCS(stime)
2394         AC_CHECK_FUNCS(strerror_r)
2395         AC_CHECK_FUNCS(ttyname_r)
2396         AC_CHECK_FUNCS(psignal)
2397         AC_CHECK_FUNCS(getlogin_r)
2398         AC_CHECK_FUNCS(lockf)
2399         AC_CHECK_FUNCS(swab)
2400         AC_CHECK_FUNCS(setusershell endusershell)
2401         AC_CHECK_FUNCS(futimens utimensat)
2402         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2403         AC_CHECK_FUNCS(readv writev preadv pwritev)
2404         AC_CHECK_FUNCS(setpgid)
2405         AC_CHECK_FUNCS(system)
2406         AC_CHECK_FUNCS(fork execv execve)
2407         AC_CHECK_FUNCS(accept4)
2408         AC_CHECK_FUNCS(localtime_r)
2409         AC_CHECK_FUNCS(mkdtemp)
2410         AC_CHECK_SIZEOF(size_t)
2411         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2412                 [#include <sys/types.h>
2413                  #include <sys/stat.h>
2414                  #include <unistd.h>])
2415         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2416                 [#include <sys/types.h>
2417                  #include <sys/stat.h>
2418                  #include <unistd.h>])
2419         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2420                 [#include <sys/time.h>])
2421         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2422                 [#include <sys/socket.h>])
2423         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2424                 [#include <unistd.h>
2425                  #include <fcntl.h>])
2426         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2427                 [#include <sys/uio.h>])
2428         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2429                 [#include <sys/socket.h>])
2430         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2431                 [#include <sys/poll.h>])
2432         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2433                 [#include <sys/socket.h>])
2434         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2435                 [#include <sys/socket.h>])
2436         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2437                 [#include <netinet/in.h>])
2438         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2439                 [#include <netinet/in.h>])
2440         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2441                 [#include <sys/un.h>])
2442         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2443                 [#include <sys/types.h>
2444                  #include <sys/stat.h>
2445                  #include <unistd.h>])
2446         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2447                 [#include <time.h>])
2448         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2449                 [#include <sys/time.h>
2450                  #include <sys/types.h>
2451                  #include <utime.h>])
2452         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2453                 [#include <sys/time.h>])
2454         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2455                 [#include <sys/types.h>
2456                  #include <utime.h>])
2457         AC_CHECK_MEMBERS(
2458                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2459                 [#include <sys/types.h>
2460                  #include <dirent.h>])
2461         AC_CHECK_MEMBERS(
2462                 [struct passwd.pw_gecos],,, 
2463                 [#include <sys/types.h>
2464                  #include <pwd.h>])
2465         AC_CHECK_MEMBERS(
2466                 [struct statfs.f_flags],,, 
2467                 [#include <sys/types.h>
2468                  #include <sys/vfs.h>])
2469         AC_CHECK_MEMBERS(
2470                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2471                 [#include <sys/types.h>
2472                  #include <sys/stat.h>
2473                  #include <unistd.h>])
2474
2475         dnl Favour xattr through glibc, but use libattr if we have to
2476         AC_CHECK_FUNC(lsetxattr, ,
2477                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2478         )
2479         AC_SUBST(XATTR_LIB)
2480
2481         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2482         AC_CHECK_MEMBERS(
2483                 [struct kinfo_proc.kp_proc],,, 
2484                 [#include <sys/types.h>
2485                  #include <sys/param.h>
2486                  #include <sys/sysctl.h>
2487                  #include <sys/proc.h>
2488                  ])
2489
2490         dnl *********************************
2491         dnl *** Checks for Windows compilation ***
2492         dnl *********************************
2493         AC_CHECK_HEADERS(sys/time.h)
2494         AC_CHECK_HEADERS(sys/param.h)
2495         AC_CHECK_HEADERS(dirent.h)
2496
2497         dnl ******************************************
2498         dnl *** Checks for OSX and iOS compilation ***
2499         dnl ******************************************
2500         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2501
2502         dnl *********************************
2503         dnl *** Check for Console 2.0 I/O ***
2504         dnl *********************************
2505         AC_CHECK_HEADERS([curses.h])
2506         AC_CHECK_HEADERS([term.h], [], [],
2507         [#if HAVE_CURSES_H
2508          #include <curses.h>
2509          #endif
2510         ])
2511         AC_CHECK_HEADERS([termios.h])
2512 else
2513         dnl *********************************
2514         dnl *** Checks for Windows compilation ***
2515         dnl *********************************
2516         AC_CHECK_HEADERS(winternl.h)
2517
2518         jdk_headers_found=no
2519         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2520         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2521         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2522         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2523         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2524         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2525         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2526
2527         dnl *********************************
2528         dnl *** Check for struct ip_mreqn ***
2529         dnl *********************************
2530         AC_MSG_CHECKING(for struct ip_mreqn)
2531         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2532                 struct ip_mreqn mreq;
2533                 mreq.imr_address.s_addr = 0;
2534         ], [
2535                 # Yes, we have it...
2536                 AC_MSG_RESULT(yes)
2537                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2538         ], [
2539                 # We'll just have to try and use struct ip_mreq
2540                 AC_MSG_RESULT(no)
2541                 AC_MSG_CHECKING(for struct ip_mreq)
2542                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2543                         struct ip_mreq mreq;
2544                         mreq.imr_interface.s_addr = 0;
2545                 ], [
2546                         # Yes, we have it...
2547                         AC_MSG_RESULT(yes)
2548                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2549                 ], [
2550                         # No multicast support
2551                         AC_MSG_RESULT(no)
2552                 ])
2553         ])
2554
2555         dnl **********************************
2556         dnl *** Check for getaddrinfo ***
2557         dnl **********************************
2558         AC_MSG_CHECKING(for getaddrinfo)
2559                 AC_TRY_LINK([
2560                 #include <stdio.h>
2561                 #include <winsock2.h>
2562                 #include <ws2tcpip.h>
2563         ], [
2564                 getaddrinfo(NULL,NULL,NULL,NULL);
2565         ], [
2566                 # Yes, we have it...
2567                 AC_MSG_RESULT(yes)
2568                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2569         ], [
2570                 AC_MSG_RESULT(no)
2571         ])
2572
2573         dnl **********************************
2574         dnl *** Check for gethostbyname ***
2575         dnl **********************************
2576         AC_MSG_CHECKING(for gethostbyname)
2577                 AC_TRY_LINK([
2578                 #include <stdio.h>
2579                 #include <winsock2.h>
2580                 #include <ws2tcpip.h>
2581         ], [
2582                 gethostbyname(NULL);
2583         ], [
2584                 # Yes, we have it...
2585                 AC_MSG_RESULT(yes)
2586                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2587         ], [
2588                 AC_MSG_RESULT(no)
2589         ])
2590
2591         dnl **********************************
2592         dnl *** Check for getprotobyname ***
2593         dnl **********************************
2594         AC_MSG_CHECKING(for getprotobyname)
2595                 AC_TRY_LINK([
2596                 #include <stdio.h>
2597                 #include <winsock2.h>
2598                 #include <ws2tcpip.h>
2599         ], [
2600                 getprotobyname(NULL);
2601         ], [
2602                 # Yes, we have it...
2603                 AC_MSG_RESULT(yes)
2604                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2605         ], [
2606                 AC_MSG_RESULT(no)
2607         ])
2608
2609         dnl **********************************
2610         dnl *** Check for getnameinfo ***
2611         dnl **********************************
2612         AC_MSG_CHECKING(for getnameinfo)
2613                 AC_TRY_LINK([
2614                 #include <stdio.h>
2615                 #include <winsock2.h>
2616                 #include <ws2tcpip.h>
2617         ], [
2618                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2619         ], [
2620                 # Yes, we have it...
2621                 AC_MSG_RESULT(yes)
2622                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2623         ], [
2624                 AC_MSG_RESULT(no)
2625         ])
2626
2627         dnl **********************************
2628         dnl *** Check for inet_ntop ***
2629         dnl **********************************
2630         AC_MSG_CHECKING(for inet_ntop)
2631                 AC_TRY_LINK([
2632                 #include <stdio.h>
2633                 #include <winsock2.h>
2634                 #include <ws2tcpip.h>
2635         ], [
2636                 inet_ntop (0, NULL, NULL, 0);
2637         ], [
2638                 # Yes, we have it...
2639                 AC_MSG_RESULT(yes)
2640                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2641         ], [
2642                 AC_MSG_RESULT(no)
2643         ])
2644
2645         dnl **********************************
2646         dnl *** Check for inet_pton ***
2647         dnl **********************************
2648         AC_MSG_CHECKING(for inet_pton)
2649                 AC_TRY_LINK([
2650                 #include <stdio.h>
2651                 #include <winsock2.h>
2652                 #include <ws2tcpip.h>
2653         ], [
2654                 #ifndef inet_pton
2655                 (void) inet_pton;
2656                 #endif
2657                 inet_pton (0, NULL, NULL);
2658         ], [
2659                 # Yes, we have it...
2660                 AC_MSG_RESULT(yes)
2661                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2662         ], [
2663                 AC_MSG_RESULT(no)
2664         ])
2665
2666         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2667         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2668         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2669         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2670         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2671         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2672         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2673 fi
2674
2675 dnl socklen_t check
2676 AC_MSG_CHECKING(for socklen_t)
2677 AC_TRY_COMPILE([
2678 #include <sys/types.h>
2679 #include <sys/socket.h>
2680 ],[
2681   socklen_t foo;
2682 ],[
2683 ac_cv_c_socklen_t=yes
2684         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2685         AC_MSG_RESULT(yes)
2686 ],[
2687         AC_MSG_RESULT(no)
2688 ])
2689
2690 AC_MSG_CHECKING(for array element initializer support)
2691 AC_TRY_COMPILE([#include <sys/socket.h>], [
2692         const int array[] = {[1] = 2,};
2693 ], [
2694         # Yes, we have it...
2695         AC_MSG_RESULT(yes)
2696         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2697 ], [
2698         # We'll have to use signals
2699         AC_MSG_RESULT(no)
2700 ])
2701
2702 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2703         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2704         AC_TRY_LINK([#include <math.h>], 
2705         [ static void *p = &trunc; ],
2706         [
2707                 AC_DEFINE(HAVE_TRUNC) 
2708                 AC_MSG_RESULT(yes)
2709                 ac_cv_trunc=yes
2710         ],
2711         AC_MSG_RESULT(no)))
2712
2713 if test "x$ac_cv_truncl" != "xyes"; then
2714    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2715 fi
2716
2717 AC_CHECK_FUNCS(execvp)
2718
2719 dnl ****************************
2720 dnl *** Look for /dev/random ***
2721 dnl ****************************
2722
2723 AC_MSG_CHECKING([if usage of random device is requested])
2724 AC_ARG_ENABLE(dev-random,
2725 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2726 try_dev_random=$enableval, try_dev_random=yes)
2727
2728 AC_MSG_RESULT($try_dev_random)
2729
2730 case "{$build}" in
2731     *-openbsd*)
2732     NAME_DEV_RANDOM="/dev/srandom"
2733     ;;
2734
2735 dnl Win32 does not have /dev/random, they have their own method...
2736
2737     *-mingw*|*-*-cygwin*)
2738     ac_cv_have_dev_random=no
2739     ;;
2740
2741 dnl Everywhere else, it's /dev/random
2742
2743     *)
2744     NAME_DEV_RANDOM="/dev/random"
2745     ;;
2746 esac
2747
2748 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2749
2750 dnl Now check if the device actually exists
2751
2752 if test "x$try_dev_random" = "xyes"; then
2753     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2754     [if test -r "$NAME_DEV_RANDOM" ; then
2755         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2756     if test "x$ac_cv_have_dev_random" = "xyes"; then
2757         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2758     fi
2759 else
2760     AC_MSG_CHECKING(for random device)
2761     ac_cv_have_dev_random=no
2762     AC_MSG_RESULT(has been disabled)
2763 fi
2764
2765 if test "x$host_win32" = "xyes"; then
2766     AC_DEFINE(HAVE_CRYPT_RNG)
2767 fi
2768
2769 if test "x$ac_cv_have_dev_random" = "xno" \
2770     && test "x$host_win32" = "xno"; then
2771     AC_MSG_WARN([[
2772 ***
2773 *** A system-provided entropy source was not found on this system.
2774 *** Because of this, the System.Security.Cryptography random number generator
2775 *** will throw a NotImplemented exception.
2776 ***
2777 *** If you are seeing this message, and you know your system DOES have an
2778 *** entropy collection in place, please contact <crichton@gimp.org> and
2779 *** provide information about the system and how to access the random device.
2780 ***
2781 *** Otherwise you can install either egd or prngd and set the environment
2782 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2783 ***]])
2784 fi
2785
2786 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2787
2788 AC_MSG_CHECKING([if big-arrays are to be enabled])
2789 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2790 if test "x$enable_big_arrays" = "xyes" ; then
2791     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2792         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2793     else
2794         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2795     fi
2796 fi
2797 AC_MSG_RESULT($enable_big_arrays)
2798
2799 dnl **************
2800 dnl *** DTRACE ***
2801 dnl **************
2802
2803 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2804
2805 if test "x$enable_dtrace" = "xyes"; then
2806    if test "x$has_dtrace" = "xno"; then
2807           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2808    fi
2809    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2810    if test "x$DTRACE" = "xno"; then
2811           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2812           enable_dtrace=no
2813    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2814           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2815           enable_dtrace=no
2816    fi
2817 fi
2818
2819 dtrace_g=no
2820 if test "x$enable_dtrace" = "xyes"; then
2821         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2822         DTRACEFLAGS=
2823         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2824                 case "$host" in
2825                         powerpc-*-darwin*)
2826                         DTRACEFLAGS="-arch ppc64"
2827                         ;;
2828                         i*86-*-darwin*)
2829                         DTRACEFLAGS="-arch x86_64"
2830                         ;;
2831                         *)
2832                         DTRACEFLAGS=-64
2833                         ;;
2834                 esac
2835         else
2836                 case "$host" in
2837                         powerpc-*-darwin*)
2838                         DTRACEFLAGS="-arch ppc"
2839                         ;;
2840                         i*86-*-darwin*)
2841                         DTRACEFLAGS="-arch i386"
2842                         ;;
2843                         *)
2844                         DTRACEFLAGS=-32
2845                         ;;
2846                 esac
2847         fi
2848         AC_SUBST(DTRACEFLAGS)
2849         case "$host" in
2850                 *-*-solaris*)
2851                 dtrace_g=yes
2852                 ;;
2853         esac
2854         AC_CHECK_HEADERS([sys/sdt.h])
2855 fi
2856 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2857 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2858
2859 dnl **************************
2860 dnl *** AOT cross offsets  ***
2861 dnl **************************
2862
2863 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2864     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2865
2866 dnl **************
2867 dnl ***  LLVM  ***
2868 dnl **************
2869
2870 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2871 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2872 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2873 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2874
2875 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2876
2877 if test "x$enable_llvm" = "xdefault"; then
2878    enable_llvm=$enable_llvm_default
2879 fi
2880
2881 if test "x$enable_llvm" = "xyes"; then
2882    if test "x$with_llvm" != "x"; then
2883           LLVM_CONFIG=$with_llvm/bin/llvm-config
2884           if test x$host_win32 = xyes; then
2885                 LLVM_CONFIG=$LLVM_CONFIG.exe
2886           fi
2887           if test ! -x $LLVM_CONFIG; then
2888                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2889       fi
2890    else
2891       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2892       if test "x$LLVM_CONFIG" = "xno"; then
2893              AC_MSG_ERROR([llvm-config not found.])
2894       fi
2895    fi
2896
2897    llvm_codegen="x86codegen"
2898    case "$target" in
2899    arm*)
2900                 llvm_codegen="armcodegen"
2901                 ;;
2902    esac
2903
2904    if test "x$host_win32" = "xno"; then
2905
2906    # Should be something like '2.6' or '2.7svn'
2907    llvm_version=`$LLVM_CONFIG --version`
2908    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2909    AC_MSG_CHECKING(LLVM version)
2910    AC_MSG_RESULT($llvm_version $llvm_api_version)
2911    if echo $llvm_version | grep -q 'mono'; then
2912           if test "x$enable_llvm_version_check" = "xyes"; then
2913                  if test "$llvm_version" != "$expected_llvm_version"; then
2914                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2915                  fi
2916           fi
2917    else
2918           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.])
2919    fi
2920
2921    # The output of --cflags seems to include optimizations flags too
2922    if test $llvm_api_version -gt 100; then
2923           # The --cflags argument includes all kinds of warnings -pendantic etc.
2924           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2925           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2926    else
2927           LLVM_CFLAGS=`$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'`
2928       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2929    fi
2930    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2931    # from LLVM classes.
2932    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2933    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2934    # This might include empty lines
2935    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2936    llvm_jit_supported=yes
2937    llvm_jit_libs="jit mcjit $llvm_codegen"
2938    if test "x$host" != "x$target"; then
2939       # No need for jit libs
2940           llvm_jit_supported=no
2941       llvm_jit_libs=""
2942    elif test $llvm_api_version -gt 100; then
2943       llvm_jit_libs="orcjit $llvm_codegen"
2944    fi
2945    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2946    if test "x$LLVM_LIBS" = "x"; then
2947           echo "$LLVM_CONFIG --libs failed."
2948           exit 1
2949    fi
2950    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2951    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2952    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2953       LLVM_LIBS="$LLVM_LIBS -lc++"
2954    else
2955       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2956    fi
2957
2958    expected_llvm_version="3.4svn-mono-mono/e656cac"
2959
2960    else
2961        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2962        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2963        LLVM_LDFLAGS="-L$with_llvm/lib"
2964        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2965        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2966          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2967          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2968          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2969          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2970          -lLLVMAnalysis -lLLVMTarget \
2971          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2972          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2973          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2974          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2975          -lLLVMSupport -lstdc++"
2976        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2977
2978        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2979        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2980    fi  
2981
2982    if test "x$llvm_api_version" = "x"; then
2983           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2984           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2985    else
2986           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2987           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2988    fi   
2989
2990    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2991
2992    AC_SUBST(LLVM_CFLAGS)
2993    AC_SUBST(LLVM_CXXFLAGS)
2994    AC_SUBST(LLVM_LIBS)
2995    AC_SUBST(LLVM_LDFLAGS)
2996    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2997 fi
2998
2999 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3000 if test "x$enable_loadedllvm" = "xyes"; then
3001    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3002 fi
3003 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3004
3005 if test "x$enable_llvm" = "xyes"; then
3006    enable_llvm_runtime=yes
3007 fi
3008 if test "x$enable_llvm_runtime" = "xyes"; then
3009    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3010 fi
3011 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3012
3013 TARGET="unknown"
3014 ACCESS_UNALIGNED="yes"
3015
3016 LIBC="libc.so.6"
3017 INTL="libc.so.6"
3018 SQLITE="libsqlite.so.0"
3019 SQLITE3="libsqlite3.so.0"
3020 X11="libX11.so"
3021 GDKX11="libgdk-x11-2.0.so.0"
3022 GTKX11="libgtk-x11-2.0.so.0"
3023 XINERAMA="libXinerama.so.1"
3024
3025 sizeof_register="SIZEOF_VOID_P"
3026
3027 jit_wanted=true
3028 boehm_supported=true
3029 BTLS_SUPPORTED=no
3030 BTLS_PLATFORM=
3031 case "$host" in
3032         mips*)
3033                 TARGET=MIPS;
3034                 arch_target=mips;
3035                 with_tls=pthread;
3036                 ACCESS_UNALIGNED="no"
3037
3038                 AC_MSG_CHECKING(for mips n32)
3039                 AC_TRY_COMPILE([],[
3040                 #if _MIPS_SIM != _ABIN32
3041                 #error Not mips n32
3042                 #endif
3043                 return 0;
3044                 ],[
3045                 AC_MSG_RESULT(yes)
3046                 sizeof_register=8
3047                 ],[
3048                 AC_MSG_RESULT(no)
3049                 ])
3050                 ;;
3051         i*86-*-*)
3052                 TARGET=X86;
3053                 arch_target=x86;
3054                 case $host_os in
3055                   solaris*)
3056                         LIBC="libc.so"
3057                         INTL="libintl.so"
3058                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3059                                 TARGET=AMD64
3060                                 arch_target=amd64
3061                         fi
3062
3063                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3064                         # int astruct __attribute__ ((visibility ("hidden")));
3065                         # void foo ()
3066                         # {
3067                         #       void *p = &astruct;
3068                         # }
3069                         # gcc -fPIC --shared -o libfoo.so foo.c
3070                         # yields:
3071                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3072                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3073                         have_visibility_hidden=no
3074                         ;;
3075                   mingw*|cygwin*)
3076                         have_visibility_hidden=no                 
3077                         ;;
3078                   haiku*)
3079                         LIBC=libroot.so
3080                         ;;
3081                   linux*)
3082                         AOT_SUPPORTED="yes"
3083                         BTLS_SUPPORTED=yes
3084                         BTLS_PLATFORM=i386
3085                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3086                         ;;
3087                   darwin*)
3088                         AOT_SUPPORTED="yes"
3089                         BTLS_SUPPORTED=yes
3090                         BTLS_PLATFORM=i386
3091                         ;;
3092                   openbsd*|freebsd*|kfreebsd-gnu*)
3093                         ;;
3094                 esac
3095                 ;;
3096         x86_64-*-* | amd64-*-*)
3097                 TARGET=AMD64;
3098                 arch_target=amd64;
3099                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3100                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3101                         sizeof_register=8
3102                 fi
3103                 case $host_os in
3104                   linux*)
3105                         AOT_SUPPORTED="yes"
3106                         BTLS_SUPPORTED=yes
3107                         BTLS_PLATFORM=x86_64
3108                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3109                         ;;
3110                   darwin*)
3111                         AOT_SUPPORTED="yes"
3112                         BTLS_SUPPORTED=yes
3113                         BTLS_PLATFORM=x86_64
3114                         boehm_supported=false
3115                         ;;
3116                   openbsd*|freebsd*|kfreebsd-gnu*)
3117                         ;;
3118                   mingw*)
3119                         ;;
3120                 esac
3121                 ;;
3122         sparc*-*-*)
3123                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3124                    TARGET=SPARC64
3125                 else
3126                         TARGET=SPARC
3127                 fi
3128                 arch_target=sparc;
3129                 ACCESS_UNALIGNED="no"
3130                 case $host_os in
3131                   linux*) ;;
3132                   *)
3133                         LIBC="libc.so"
3134                         INTL="libintl.so"
3135                 esac
3136                 if test x"$GCC" = xyes; then
3137                         # We don't support v8 cpus
3138                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3139                 fi
3140                 if test x"$AR" = xfalse; then
3141                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3142                 fi
3143                 ;;
3144         *-mingw*|*-*-cygwin*)
3145                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3146                 have_visibility_hidden=no
3147                 INTL="intl"
3148                 ;;
3149         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3150         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3151                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3152                         TARGET=POWERPC64;
3153                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3154                         CFLAGS="$CFLAGS -mminimal-toc"
3155                 else
3156                         TARGET=POWERPC;
3157                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3158                 fi
3159                 arch_target=ppc;
3160                 case $host_os in
3161                   linux*|darwin*)
3162                         ;;
3163                 esac
3164                 ;;
3165         armv7k-*-darwin*)
3166                 TARGET=ARM;
3167                 TARGET_SYS=WATCHOS
3168                 arch_target=arm;
3169                 arm_fpu=VFP_HARD
3170                 ACCESS_UNALIGNED="no"
3171                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3172                 ;;
3173
3174         arm*-darwin*)
3175                 TARGET=ARM;
3176                 arch_target=arm;
3177                 ACCESS_UNALIGNED="no"
3178                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3179                 ;;
3180         arm*-linux*)
3181                 TARGET=ARM;
3182                 arch_target=arm;
3183                 ACCESS_UNALIGNED="no"
3184                 AOT_SUPPORTED="yes"
3185                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3186                 BTLS_SUPPORTED=yes
3187                 BTLS_PLATFORM=arm
3188                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3189                 case "$target" in
3190                 arm*-linux*-gnueabi)
3191                         BTLS_PLATFORM=armsoft
3192                         ;;
3193                 esac
3194                 ;;
3195         arm*-netbsd*-eabi*)
3196                 TARGET=ARM;
3197                 arch_target=arm;
3198                 ACCESS_UNALIGNED="no"
3199                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3200                 ;;
3201         aarch64-*)
3202                 # https://lkml.org/lkml/2012/7/15/133
3203                 TARGET=ARM64
3204                 arch_target=arm64
3205                 boehm_supported=false
3206                 AOT_SUPPORTED="yes"
3207                 BTLS_SUPPORTED=yes
3208                 BTLS_PLATFORM=aarch64
3209                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3210                 ;;
3211         s390x-*-linux*)
3212                 TARGET=S390X;
3213                 arch_target=s390x;
3214                 ACCESS_UNALIGNED="yes"
3215                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3216                 ;;
3217 esac
3218
3219 HOST=$TARGET
3220
3221 if test "x$host" != "x$target"; then
3222    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3223    enable_mcs_build=no
3224    BTLS_SUPPORTED=no
3225    case "$target" in
3226    arm*-darwin*)
3227                 TARGET=ARM;
3228                 arch_target=arm;
3229                 ACCESS_UNALIGNED="no"
3230                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3231                 # Can't use tls, since it depends on the runtime detection of tls offsets
3232                 # in mono-compiler.h
3233                 with_tls=pthread
3234                 case "$target" in
3235                 armv7k-*)
3236                         arm_fpu=VFP_HARD
3237                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3238                         ;;
3239                 esac            
3240                 ;;
3241    powerpc64-ps3-linux-gnu)
3242                 TARGET=POWERPC64
3243                 arch_target=powerpc64
3244                 AC_DEFINE(TARGET_PS3, 1, [...])
3245                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3246                 # uses this define
3247                 AC_DEFINE(__mono_ppc64__, 1, [...])
3248                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3249                 sizeof_register=8
3250                 target_byte_order=G_BIG_ENDIAN
3251                 ;;
3252    powerpc64-xbox360-linux-gnu)
3253                 TARGET=POWERPC64
3254                 arch_target=powerpc64
3255                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3256                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3257                 # uses this define
3258                 sizeof_register=8
3259                 target_byte_order=G_BIG_ENDIAN
3260                 ;;
3261    arm*-linux-*)
3262                 TARGET=ARM;
3263                 arch_target=arm;
3264                 AC_DEFINE(TARGET_ARM, 1, [...])
3265                 ACCESS_UNALIGNED="no"
3266                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3267                 # Can't use tls, since it depends on the runtime detection of tls offsets
3268                 # in mono-compiler.h
3269                 with_tls=pthread
3270                 target_mach=no
3271                 case "$target" in
3272                 armv7l-unknown-linux-gnueabi*)
3273                         # TEGRA
3274                         CPPFLAGS="$CPPFLAGS"
3275                         ;;
3276                 armv5-*-linux-androideabi*)
3277                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3278                         CPPFLAGS="$CPPFLAGS"
3279                         ;;
3280                 *-linux-androideabi*)
3281                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3282                         CPPFLAGS="$CPPFLAGS"
3283                         ;;
3284                 esac
3285                 ;;
3286    arm*-netbsd*-eabi*)
3287                 TARGET=ARM;
3288                 arch_target=arm;
3289                 AC_DEFINE(TARGET_ARM, 1, [...])
3290                 ACCESS_UNALIGNED="no"
3291                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3292                 # Can't use tls, since it depends on the runtime detection of tls offsets
3293                 # in mono-compiler.h
3294                 with_tls=pthread
3295                 target_mach=no
3296                 ;;
3297    i686*-linux-*)
3298                 TARGET=X86;
3299                 arch_target=x86;
3300                 AC_DEFINE(TARGET_X86, 1, [...])
3301                 CPPFLAGS="$CPPFLAGS"
3302                 # Can't use tls, since it depends on the runtime detection of tls offsets
3303                 # in mono-compiler.h            
3304                 with_tls=pthread
3305                 target_mach=no
3306
3307                 case "$target" in
3308                 *-linux-android*)
3309                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3310                         ;;
3311                 esac
3312                 ;;
3313    x86_64*-linux-*)
3314                 TARGET=AMD64;
3315                 arch_target=amd64;
3316                 AC_DEFINE(TARGET_AMD64, 1, [...])
3317                 CPPFLAGS="$CPPFLAGS"
3318                 # Can't use tls, since it depends on the runtime detection of tls offsets
3319                 # in mono-compiler.h
3320                 with_tls=pthread
3321                 target_mach=no
3322
3323                 case "$target" in
3324                 *-linux-android*)
3325                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3326                         ;;
3327                 esac
3328                 ;;
3329    x86_64-ps4-freebsd)
3330                 TARGET=AMD64;
3331                 arch_target=amd64;
3332                 AC_DEFINE(TARGET_AMD64, 1, [...])
3333                 AC_DEFINE(TARGET_PS4, 1, [...])
3334                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3335                 CPPFLAGS="$CPPFLAGS"
3336                 # Can't use tls, since it depends on the runtime detection of tls offsets
3337                 # in mono-compiler.h
3338                 with_tls=pthread
3339                 target_mach=no
3340                 target_win32=no
3341                 ;;
3342    aarch64*-linux-*)
3343                 TARGET=ARM64;
3344                 arch_target=arm64;
3345                 AC_DEFINE(TARGET_ARM64, 1, [...])
3346                 CPPFLAGS="$CPPFLAGS"
3347                 # Can't use tls, since it depends on the runtime detection of tls offsets
3348                 # in mono-compiler.h
3349                 with_tls=pthread
3350                 target_mach=no
3351                 case "$target" in
3352                 *-linux-android*)
3353                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3354                         ;;
3355                 esac
3356                 ;;
3357         aarch64-*)
3358                 TARGET=ARM64
3359                 ;;
3360         *)
3361                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3362         esac
3363 fi
3364
3365 case "$TARGET" in
3366 X86)
3367         AC_DEFINE(TARGET_X86, 1, [...])
3368         ;;
3369 AMD64)
3370         AC_DEFINE(TARGET_AMD64, 1, [...])
3371         ;;
3372 ARM)
3373         AC_DEFINE(TARGET_ARM, 1, [...])
3374         ;;
3375 ARM64)
3376         AC_DEFINE(TARGET_ARM64, 1, [...])
3377         ;;
3378 POWERPC)
3379         AC_DEFINE(TARGET_POWERPC, 1, [...])
3380         ;;
3381 POWERPC64)
3382         AC_DEFINE(TARGET_POWERPC, 1, [...])
3383         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3384         ;;
3385 S390X)
3386         AC_DEFINE(TARGET_S390X, 1, [...])
3387         ;;
3388 MIPS)
3389         AC_DEFINE(TARGET_MIPS, 1, [...])
3390         ;;
3391 SPARC)
3392         AC_DEFINE(TARGET_SPARC, 1, [...])
3393         ;;
3394 SPARC64)
3395         AC_DEFINE(TARGET_SPARC64, 1, [...])
3396         ;;
3397 esac
3398
3399 case "$HOST" in
3400 X86)
3401         AC_DEFINE(HOST_X86, 1, [...])
3402         ;;
3403 AMD64)
3404         AC_DEFINE(HOST_AMD64, 1, [...])
3405         ;;
3406 ARM)
3407         AC_DEFINE(HOST_ARM, 1, [...])
3408         ;;
3409 ARM64)
3410         AC_DEFINE(HOST_ARM64, 1, [...])
3411         ;;
3412 POWERPC)
3413         AC_DEFINE(HOST_POWERPC, 1, [...])
3414         ;;
3415 POWERPC64)
3416         AC_DEFINE(HOST_POWERPC, 1, [...])
3417         AC_DEFINE(HOST_POWERPC64, 1, [...])
3418         ;;
3419 S390X)
3420         AC_DEFINE(HOST_S390X, 1, [...])
3421         ;;
3422 MIPS)
3423         AC_DEFINE(HOST_MIPS, 1, [...])
3424         ;;
3425 SPARC)
3426         AC_DEFINE(HOST_SPARC, 1, [...])
3427         ;;
3428 SPARC64)
3429         AC_DEFINE(HOST_SPARC64, 1, [...])
3430         ;;
3431 esac
3432
3433
3434
3435 dnl *************
3436 dnl *** VTUNE ***
3437 dnl *************
3438
3439 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3440 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3441
3442 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3443
3444 if test "x$enable_vtune" = "xyes"; then
3445         if test "x$with_vtune" = "x"; then
3446                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3447         else
3448                 VTUNE_PATH=$with_vtune
3449         fi
3450         VTUNE_INCLUDE=$VTUNE_PATH/include
3451         case "$TARGET" in
3452         X86)
3453                 VTUNE_LIB=$VTUNE_PATH/lib32
3454                 ;;
3455         AMD64)
3456                 VTUNE_LIB=$VTUNE_PATH/lib64
3457                 ;;
3458         *)
3459                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3460                 ;;
3461         esac
3462         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3463                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3464         fi
3465         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3466                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3467         fi
3468
3469         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3470         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3471
3472         AC_SUBST(VTUNE_LIBS)
3473         AC_SUBST(VTUNE_CFLAGS)
3474 fi
3475 dnl Use GCC atomic ops if they work on the target.
3476 if test x$GCC = "xyes"; then
3477         case $TARGET in
3478         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3479                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3480                 ;;
3481         esac
3482 fi
3483
3484 if test "x$target_mach" = "xyes"; then
3485
3486    if test "x$TARGET_SYS" = "xWATCHOS"; then
3487           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3488           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3489           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3490           BTLS_SUPPORTED=no
3491    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3492           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3493           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3494           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3495           BTLS_SUPPORTED=no
3496    else
3497        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3498        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3499        #error fail this for ios
3500        #endif
3501        return 0;
3502        ], [
3503                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3504           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3505           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3506           target_osx=yes
3507        ], [
3508           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3509           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3510           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3511           BTLS_SUPPORTED=no
3512                   target_ios=yes
3513        ])
3514         fi
3515    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3516 fi
3517
3518 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3519
3520 if test "x$sizeof_register" = "x4"; then
3521    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3522 elif test "x$sizeof_register" = "x8"; then
3523    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3524 else
3525    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3526 fi
3527
3528 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3529
3530 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3531    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3532 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3533    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3534 else
3535    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3536 fi
3537
3538 if test "x$have_visibility_hidden" = "xyes"; then
3539    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3540 fi
3541
3542 if test "x$have_deprecated" = "xyes"; then
3543    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3544 fi
3545
3546 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3547
3548 if test "x$enable_interpreter" = "xyes"; then
3549         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3550 fi
3551
3552 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3553
3554 dnl 
3555 dnl Simple Generational checks (sgen)
3556 dnl
3557 SGEN_DEFINES=
3558 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3559 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3560 if test x$buildsgen = xyes; then
3561    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3562    SGEN_DEFINES="-DHAVE_SGEN_GC"
3563
3564         conc_gc_msg=""
3565    if test x$with_sgen_default_concurrent != xno; then
3566        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3567            conc_gc_msg=" (concurrent by default)"
3568    fi
3569
3570    if test "x$gc_msg" = "x"; then
3571       gc_msg="sgen$conc_gc_msg"
3572    else
3573       gc_msg="sgen$conc_gc_msg and $gc_msg"
3574    fi
3575 fi
3576 AC_SUBST(SGEN_DEFINES)
3577 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3578
3579 jit_status="Building and using the JIT"
3580
3581 libsuffix=".so"
3582
3583 case "$host" in
3584      *-*-darwin*)
3585         libsuffix=".dylib"
3586         LIBC="libc.dylib"
3587         INTL="libintl.dylib"
3588         SQLITE="libsqlite.0.dylib"
3589         SQLITE3="libsqlite3.0.dylib"
3590         X11="libX11.dylib"
3591         GDKX11="libgdk-x11-2.0.dylib"
3592         GTKX11="libgtk-x11-2.0.dylib"
3593         ;;
3594      *-*-*netbsd*)
3595         LIBC="libc.so"
3596         INTL="libintl.so"
3597         SQLITE="libsqlite.so"
3598         SQLITE3="libsqlite3.so"
3599         ;;
3600      *-*-kfreebsd*-gnu)
3601         LIBC="libc.so.0.1"
3602         INTL="libc.so.0.1"
3603         X11="libX11.so.6"
3604         ;;
3605     *-*-*freebsd*)
3606         LIBC="libc.so.7"
3607         INTL="libintl.so"
3608         SQLITE="libsqlite.so"
3609         SQLITE3="libsqlite3.so"
3610         ;;
3611     *-*-*openbsd*)
3612         LIBC="libc.so"
3613         INTL="libintl.so"
3614         SQLITE="libsqlite.so"
3615         SQLITE3="libsqlite3.so"
3616         ;;
3617     *-*-*linux*)
3618         AC_PATH_X
3619         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3620         AC_MSG_CHECKING(for the soname of libX11.so)
3621         for i in $x_libraries $dlsearch_path; do
3622                 for r in 4 5 6; do
3623                         if test -f $i/libX11.so.$r; then
3624                                 X11=libX11.so.$r
3625                                 AC_MSG_RESULT($X11)
3626                         fi
3627                 done
3628         done
3629         
3630         if test "x$X11" = "xlibX11.so"; then
3631                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3632                 X11=libX11.so.6
3633         fi
3634         ;;
3635 esac
3636
3637 AC_SUBST(libsuffix)
3638
3639 ######################################
3640 # EGLIB CHECKS
3641 ######################################
3642
3643 GNUC_PRETTY=
3644 GNUC_UNUSED=
3645 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3646 if test x$GCC = xyes; then
3647    GNUC_UNUSED='__attribute__((__unused__))'
3648    GNUC_NORETURN='__attribute__((__noreturn__))'
3649    case $host_cpu in
3650      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3651    esac
3652 fi
3653 AC_SUBST(GNUC_PRETTY)
3654 AC_SUBST(GNUC_UNUSED)
3655 AC_SUBST(GNUC_NORETURN)
3656 AC_SUBST(BREAKPOINT)
3657
3658 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3659
3660 case $host in
3661 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3662     PATHSEP='\\'
3663     SEARCHSEP=';'
3664     OS="WIN32"
3665     PIDTYPE='void *'
3666     ;;
3667 *)
3668     PATHSEP='/'
3669     SEARCHSEP=':'
3670     OS="UNIX"
3671     PIDTYPE='int'
3672     ;;
3673 esac
3674
3675 case $host in
3676         *-*-solaris*)
3677         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3678         ;;
3679 esac
3680
3681 case $target in
3682 arm*-darwin*|aarch64*-*)
3683     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3684     ;;
3685 i*86-*-darwin*)
3686     ORDER=G_LITTLE_ENDIAN
3687     ;;
3688 *-*-haiku*)
3689     LDFLAGS="$LDFLAGS -ltextencoding"
3690     ;;
3691 *-*-openbsd*)
3692     CFLAGS="$CFLAGS -pthread"
3693     LDFLAGS="$LDFLAGS -pthread"
3694     ;;
3695 esac
3696
3697 AC_SUBST(ORDER)
3698 AC_SUBST(CFLAGS)
3699 AC_SUBST(PATHSEP)
3700 AC_SUBST(SEARCHSEP)
3701 AC_SUBST(OS)
3702 AC_SUBST(PIDTYPE)
3703
3704 # Defined for all targets/platforms using classic Windows API support.
3705 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3706 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3707
3708 AC_CHECK_SIZEOF(int)
3709 AC_CHECK_SIZEOF(void *)
3710 AC_CHECK_SIZEOF(long)
3711 AC_CHECK_SIZEOF(long long)
3712 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3713 AC_CHECK_FUNCS(getrlimit)
3714 AC_CHECK_FUNCS(fork execv execve)
3715
3716 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3717
3718 if test x$with_overridable_allocators = xyes; then
3719         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3720   AC_MSG_NOTICE([Overridable allocator support enabled])
3721 else
3722   AC_MSG_NOTICE([Overridable allocator support disabled])
3723 fi
3724
3725 #
3726 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3727 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3728 # removed once support for 10.6 is dropped.
3729 #
3730 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3731 #
3732 if test x$target_osx = xyes; then
3733 AC_CHECK_FUNCS(getpwuid_r)
3734 elif test x$target_ios = xno; then
3735 AC_CHECK_FUNCS(strndup getpwuid_r)
3736 fi
3737
3738 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3739 AM_ICONV()
3740 AC_SEARCH_LIBS(sqrtf, m)
3741
3742 # nanosleep may not be part of libc, also search it in other libraries
3743 AC_SEARCH_LIBS(nanosleep, rt)
3744
3745 AC_SEARCH_LIBS(dlopen, dl)
3746 old_ldflags="${LDFLAGS}"
3747 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3748 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3749 if test $found_export_dynamic = no; then
3750         LDFLAGS="${old_ldflags}"
3751 fi
3752
3753 AC_MSG_CHECKING(for varargs macros)
3754 AC_TRY_COMPILE([],[
3755 int foo (int i, int j);
3756 #define bar(...) foo (1, __VA_ARGS__)
3757 void main () {
3758          bar (2);
3759 }
3760 ],have_iso_varargs=yes,have_iso_varargs=no)
3761 AC_MSG_RESULT($have_iso_varargs)
3762 G_HAVE_ISO_VARARGS=0
3763 if test "x$have_iso_varargs" = "xyes"; then
3764    G_HAVE_ISO_VARARGS=1
3765 fi
3766 AC_SUBST(G_HAVE_ISO_VARARGS)
3767
3768 AC_CHECK_HEADERS(getopt.h sys/select.h sys/time.h sys/wait.h pwd.h iconv.h localcharset.h sys/types.h sys/resource.h)
3769 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3770 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3771 AC_SUBST(HAVE_ALLOCA_H)
3772
3773 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3774    GPOINTER_TO_INT="((gint) (ptr))"
3775    GPOINTER_TO_UINT="((guint) (ptr))"
3776    GINT_TO_POINTER="((gpointer) (v))"
3777    GUINT_TO_POINTER="((gpointer) (v))"
3778    GSIZE="int"
3779    GSIZE_FORMAT='"u"'
3780 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3781    GPOINTER_TO_INT="((gint)(long) (ptr))"
3782    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3783    GINT_TO_POINTER="((gpointer)(glong) (v))"
3784    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3785    GSIZE="long"
3786    GSIZE_FORMAT='"lu"'
3787 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3788    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3789    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3790    GINT_TO_POINTER="((gpointer)(long long) (v))"
3791    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3792    GSIZE="long long"
3793    GSIZE_FORMAT='"I64u"'
3794 else
3795    AC_MSG_ERROR([unsupported pointer size])
3796 fi
3797
3798 AC_SUBST(GPOINTER_TO_INT)
3799 AC_SUBST(GPOINTER_TO_UINT)
3800 AC_SUBST(GINT_TO_POINTER)
3801 AC_SUBST(GUINT_TO_POINTER)
3802 AC_SUBST(GSIZE)
3803 AC_SUBST(GSIZE_FORMAT)
3804 AC_SUBST(G_GUINT64_FORMAT)
3805 AC_SUBST(G_GINT64_FORMAT)
3806 AC_SUBST(G_GUINT32_FORMAT)
3807 AC_SUBST(G_GINT32_FORMAT)
3808
3809 #
3810 # END OF EGLIB CHECKS
3811 #
3812
3813 AC_ARG_WITH([libgdiplus],
3814         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3815         [], [with_libgdiplus=installed])
3816
3817 # default install location
3818 libgdiplus_install_loc=libgdiplus${libsuffix}
3819 case "$host" in
3820     *-*-*linux*)
3821     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3822     ;;
3823 esac
3824
3825 case $with_libgdiplus in
3826     no|installed)
3827     libgdiplus_loc=
3828     ;;
3829
3830     yes|sibling)
3831     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3832     ;;
3833
3834     /*) # absolute path, assume it is an install location
3835     libgdiplus_loc=$with_libgdiplus
3836     libgdiplus_install_loc=$with_libgdiplus
3837     ;;
3838
3839     *)
3840     libgdiplus_loc=`pwd`/$with_libgdiplus
3841     ;;
3842 esac
3843 AC_SUBST([libgdiplus_loc])
3844 AC_SUBST([libgdiplus_install_loc])
3845
3846 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3847 if test "x$icall_symbol_map" = "xyes"; then
3848    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3849 fi
3850
3851 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3852 if test "x$icall_export" = "xyes"; then
3853    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3854 fi
3855
3856 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3857 if test "x$icall_tables" = "xno"; then
3858    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3859 fi
3860
3861 if test "x$with_tls" = "x__thread"; then
3862         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3863         # Pass the information to libgc
3864         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3865         AC_MSG_CHECKING(if the tls_model attribute is supported)
3866         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3867                 ], [
3868                         AC_MSG_RESULT(yes)
3869                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3870                 ], [
3871                         AC_MSG_RESULT(no)
3872         ])
3873 fi
3874
3875 if test ${TARGET} = ARM; then
3876         dnl ******************************************
3877         dnl *** Check to see what FPU is available ***
3878         dnl ******************************************
3879         AC_MSG_CHECKING(which FPU to use)
3880
3881         #
3882         # This is a bit tricky:
3883         #
3884         # if (__ARM_PCS_VFP) {
3885         #       /* mfloat-abi=hard == VFP with hard ABI */
3886         # } elif (!__SOFTFP__) {
3887         #       /* mfloat-abi=softfp == VFP with soft ABI */
3888         # } else {
3889         #       /* mfloat-abi=soft == no VFP */
3890         # }
3891         #
3892         # The exception is iOS (w/ GCC) where none of the above
3893         # are defined (but iOS always uses the 'softfp' ABI).
3894         #
3895         # No support for FPA.
3896         #
3897
3898         fpu=NONE
3899
3900         # iOS GCC always uses the 'softfp' ABI.
3901         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3902                 fpu=VFP
3903         fi
3904
3905         # Are we using the 'hard' ABI?
3906         if test x$fpu = xNONE; then
3907                 AC_TRY_COMPILE([], [
3908                         #ifndef __ARM_PCS_VFP
3909                         #error "Float ABI is not 'hard'"
3910                         #endif
3911                         return 0;
3912                 ], [
3913                         fpu=VFP_HARD
3914                 ], [
3915                         fpu=NONE
3916                 ])
3917         fi
3918
3919         # No 'hard' ABI. 'soft' or 'softfp'?
3920         if test x$fpu = xNONE; then
3921                 AC_TRY_COMPILE([], [
3922                         #ifdef __SOFTFP__
3923                         #error "Float ABI is not 'softfp'"
3924                         #endif
3925                         return 0;
3926                 ], [
3927                         fpu=VFP
3928                 ], [
3929                         fpu=NONE
3930                 ])
3931         fi
3932
3933         if test x$arm_fpu != x; then
3934            fpu=$arm_fpu
3935         fi
3936
3937         AC_MSG_RESULT($fpu)
3938         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3939         unset fpu
3940
3941         dnl *********************************************
3942         dnl *** Check which ARM version(s) we can use ***
3943         dnl *********************************************
3944         AC_MSG_CHECKING(which ARM version to use)
3945
3946         AC_TRY_COMPILE([], [
3947                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3948                 #error Not on ARM v5.
3949                 #endif
3950                 return 0;
3951         ], [
3952                 arm_v5=yes
3953
3954                 arm_ver=ARMv5
3955         ], [])
3956
3957         AC_TRY_COMPILE([], [
3958                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3959                 #error Not on ARM v6.
3960                 #endif
3961                 return 0;
3962         ], [
3963                 arm_v5=yes
3964                 arm_v6=yes
3965
3966                 arm_ver=ARMv6
3967         ], [])
3968
3969         AC_TRY_COMPILE([], [
3970                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3971                 #error Not on ARM v7.
3972                 #endif
3973                 return 0;
3974         ], [
3975                 arm_v5=yes
3976                 arm_v6=yes
3977                 arm_v7=yes
3978
3979                 arm_ver=ARMv7
3980         ], [])
3981
3982         AC_MSG_RESULT($arm_ver)
3983
3984         if test x$arm_v5 = xyes; then
3985                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3986                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3987         fi
3988
3989         if test x$arm_v6 = xyes; then
3990                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3991                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3992         fi
3993
3994         if test x$arm_v7 = xyes; then
3995                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3996                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3997         fi
3998 fi
3999
4000 if test ${TARGET} = unknown; then
4001         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4002         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4003 fi
4004
4005 if test "x$platform_android" = "xyes"; then
4006         case "x${TARGET}" in
4007         xARM)
4008                 case "x$arm_ver" in
4009                 xARMv5)
4010                         BTLS_SUPPORTED=yes
4011                         BTLS_PLATFORM=android-armv5
4012                         ;;
4013                 xARMv6)
4014                         BTLS_SUPPORTED=yes
4015                         BTLS_PLATFORM=android-armv6
4016                         ;;
4017                 xARMv7)
4018                         BTLS_SUPPORTED=yes
4019                         BTLS_PLATFORM=android-armv7
4020                         ;;
4021                 *)
4022                         BTLS_SUPPORTED=no
4023                         ;;
4024                 esac
4025                 ;;
4026         xARM64)
4027                 BTLS_SUPPORTED=yes
4028                 BTLS_PLATFORM=android-v8a
4029                 ;;
4030         xX86)
4031                 BTLS_SUPPORTED=yes
4032                 BTLS_PLATFORM=android-x86
4033                 ;;
4034         xAMD64)
4035                 BTLS_SUPPORTED=yes
4036                 BTLS_PLATFORM=android-x64
4037                 ;;
4038         *)
4039                 BTLS_SUPPORTED=no
4040                 ;;
4041         esac
4042 fi
4043
4044 if test ${ACCESS_UNALIGNED} = no; then
4045         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4046 fi
4047
4048 if test x$host_darwin = xyes; then
4049         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4050         AS_IF(
4051                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4052                 [AC_MSG_RESULT([no])],
4053                 [
4054                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4055                         AR_FLAGS="Scru"
4056                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4057                         AC_MSG_RESULT([yes])
4058                 ]
4059         )
4060 fi
4061
4062 case "x$libgc" in
4063         xincluded)
4064                 # Pass CPPFLAGS to libgc configure
4065                 # We should use a separate variable for this to avoid passing useless and
4066                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4067                 # This should be executed late so we pick up the final version of CPPFLAGS
4068                 # The problem with this approach, is that during a reconfigure, the main
4069                 # configure scripts gets invoked with these arguments, so we use separate
4070                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4071                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4072                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4073                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4074                 fi
4075                 # Don't pass -finstrument-for-thread-suspension in, 
4076                 # if these are instrumented it will be very bad news 
4077                 # (infinite recursion, undefined parking behavior, etc)
4078                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4079                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4080                 if test "x$support_boehm" = "xyes"; then
4081                         AC_CONFIG_SUBDIRS(libgc)
4082                 fi
4083                 ;;
4084 esac
4085
4086 MALLOC_MEMPOOLS=no
4087 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4088         if test x$with_malloc_mempools = xyes; then
4089                 MALLOC_MEMPOOLS=yes
4090                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4091         fi
4092 ])
4093
4094
4095 DISABLE_MCS_DOCS=default
4096 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4097         if test x$with_mcs_docs != xyes; then
4098                 DISABLE_MCS_DOCS=yes
4099         fi
4100 ])
4101 if test -n "$INSTALL_4_x_TRUE"; then :
4102         DISABLE_MCS_DOCS=yes
4103 fi
4104 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4105    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4106 fi
4107
4108 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4109         if test x$with_lazy_gc_thread_creation != xno ; then
4110                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4111         fi
4112 ], [with_lazy_gc_thread_creation=no])
4113
4114 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])
4115
4116 if test x$with_cooperative_gc = xdefault; then
4117         with_cooperative_gc=$with_cooperative_gc_default
4118 fi
4119
4120 if test x$with_cooperative_gc != xno; then
4121         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4122 fi
4123
4124 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4125
4126 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],[
4127
4128         if test x$enable_checked_build != x ; then
4129                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4130         fi
4131         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4132                 eval "mono_checked_build_test_enable_$feature='yes'"
4133         done
4134
4135         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4136                 eval "mono_checked_build_test_enable_gc='yes'"
4137                 eval "mono_checked_build_test_enable_metadata='yes'"
4138                 eval "mono_checked_build_test_enable_thread='yes'"
4139         fi
4140
4141         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4142                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4143         fi
4144
4145         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4146                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4147         fi
4148
4149         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4150                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4151         fi
4152
4153 ], [])
4154
4155 AC_CHECK_HEADER([malloc.h], 
4156                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4157                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4158
4159 if test x"$GCC" = xyes; then
4160         # Implicit function declarations are not 64 bit safe
4161         # Do this late, since this causes lots of configure tests to fail
4162         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4163         # jay has a lot of implicit declarations
4164         JAY_CFLAGS="-Wno-implicit-function-declaration"
4165 fi
4166
4167 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4168 # instead of libmono-static.a
4169 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4170    LIBMONO_LA=libmini-static.la
4171 else
4172    if test x$buildsgen = xyes; then
4173       LIBMONO_LA=libmonosgen-$API_VER.la
4174    else
4175       LIBMONO_LA=libmonoboehm-$API_VER.la
4176    fi
4177 fi
4178 AC_SUBST(LIBMONO_LA)
4179
4180 dnl **************
4181 dnl ***  Btls  ***
4182 dnl **************
4183
4184 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4185 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4186
4187 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4188
4189 btls_android=no
4190 if test "x$enable_btls" = "xyes"; then
4191         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4192         if test "x$CMAKE" = "xno"; then
4193                 AC_MSG_ERROR("cmake not found")
4194         fi
4195
4196         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4197         AC_SUBST(BTLS_ROOT)
4198
4199         btls_arch=
4200         btls_cflags=
4201         BTLS_CMAKE_ARGS=
4202
4203         case "$BTLS_PLATFORM" in
4204         i386)
4205                 btls_arch=i386
4206                 btls_cflags="-m32"
4207                 case $host_os in
4208                         darwin*)
4209                                 btls_cflags="$btls_cflags -arch i386"
4210                 esac
4211                 ;;
4212         x86_64)
4213                 btls_arch=x86_64
4214                 ;;
4215         arm)
4216                 btls_arch=arm
4217                 ;;
4218         armsoft)
4219                 btls_arch=arm
4220                 btls_cflags="-DOPENSSL_NO_ASM=1"
4221                 ;;
4222         aarch64)
4223                 btls_arch=aarch64
4224                 ;;
4225         android-armv5)
4226                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4227                 ;;
4228         android-armv6)
4229                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4230                 ;;
4231         android-armv7)
4232                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4233                 ;;
4234         android-v8a)
4235                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4236                 ;;
4237         android-x86)
4238                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4239                 ;;
4240         android-x64)
4241                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4242                 ;;
4243         *)
4244                 AC_MSG_ERROR(Invalid BTLS platform)
4245         esac
4246
4247         if test "x$platform_android" = "xyes"; then
4248                 btls_android=yes
4249                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4250                 if test "x$with_btls_android_ndk" != "x"; then
4251                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4252                 else
4253                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4254                 fi
4255         fi
4256
4257         if test "x$btls_arch" != "x"; then
4258                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4259         fi
4260
4261         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4262         AC_SUBST(BTLS_ARCH)
4263         AC_SUBST(BTLS_CFLAGS)
4264         AC_SUBST(BTLS_PLATFORM)
4265         AC_SUBST(BTLS_CMAKE_ARGS)
4266
4267         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4268 else
4269         enable_btls=no
4270 fi
4271
4272 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4273
4274 if test x$DISABLE_MCS_DOCS = xyes; then
4275    docs_dir=""
4276 else
4277    docs_dir=docs
4278 fi
4279 AC_SUBST(docs_dir)
4280
4281 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4282 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4283
4284 libmono_ldflags="$libmono_ldflags $LIBS"
4285
4286 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4287 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4288 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4289 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4290 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4291 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4292 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4293 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4294 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4295 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4296 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4297 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4298 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4299 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4300 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4301 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4302 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4303
4304 AC_SUBST(LIBC)
4305 AC_SUBST(INTL)
4306 AC_SUBST(SQLITE)
4307 AC_SUBST(SQLITE3)
4308 AC_SUBST(X11)
4309 AC_SUBST(GDKX11)
4310 AC_SUBST(GTKX11)
4311 AC_SUBST(XINERAMA)
4312 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4313 AC_SUBST(arch_target)
4314 AC_SUBST(CFLAGS)
4315 AC_SUBST(CPPFLAGS)
4316 AC_SUBST(LDFLAGS)
4317
4318 #This must always be defined when building the runtime
4319 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4320
4321 mono_build_root=`pwd`
4322 AC_SUBST(mono_build_root)
4323
4324 mono_runtime=mono/mini/mono
4325 AC_SUBST(mono_runtime)
4326
4327 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4328
4329 if test $csc_compiler = mcs; then
4330   CSC=$mcs_topdir/class/lib/build/mcs.exe
4331 else
4332   CSC=$CSC_LOCATION
4333 fi
4334
4335 mono_cfg_root=$mono_build_root/runtime
4336 if test x$host_win32 = xyes; then
4337   if test "x$cross_compiling" = "xno"; then
4338     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4339     CSC=`cygpath -m -a $CSC`
4340     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4341   else
4342     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4343   fi
4344 else
4345   mono_cfg_dir=$mono_cfg_root/etc
4346 fi
4347 AC_SUBST(mono_cfg_dir)
4348
4349 AC_SUBST(CSC)
4350
4351 AC_CONFIG_FILES([po/mcs/Makefile.in])
4352
4353 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4354 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4355
4356 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4357 [   depth=../../../..
4358     case $srcdir in
4359     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4360     .) reldir=$depth ;;
4361     *) reldir=$depth/$srcdir ;;
4362     esac
4363     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4364     cd runtime/etc/mono/1.0
4365     rm -f machine.config
4366     $LN_S $reldir/data/net_1_1/machine.config machine.config
4367     cd $depth
4368 ],[LN_S='$LN_S'])
4369
4370 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4371 [   depth=../../../..
4372     case $srcdir in
4373     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4374     .) reldir=$depth ;;
4375     *) reldir=$depth/$srcdir ;;
4376     esac
4377     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4378     cd runtime/etc/mono/2.0
4379     rm -f machine.config
4380     $LN_S $reldir/data/net_2_0/machine.config machine.config
4381     cd $depth
4382 ],[LN_S='$LN_S'])
4383
4384 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4385 [   depth=../../../..
4386     case $srcdir in
4387     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4388     .) reldir=$depth ;;
4389     *) reldir=$depth/$srcdir ;;
4390     esac
4391     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4392     cd runtime/etc/mono/2.0
4393     rm -f web.config
4394     $LN_S $reldir/data/net_2_0/web.config web.config
4395     cd $depth
4396 ],[LN_S='$LN_S'])
4397
4398 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4399 [   depth=../../..
4400     case $srcdir in
4401     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4402     .) reldir=$depth ;;
4403     *) reldir=$depth/$srcdir ;;
4404     esac
4405     $ac_aux_dir/install-sh -d runtime/etc/mono/
4406     cd runtime/etc/mono/
4407     rm -f browscap.ini
4408     $LN_S $reldir/data/browscap.ini browscap.ini
4409     cd $depth
4410 ],[LN_S='$LN_S'])
4411
4412 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4413 [   depth=../../../../..
4414     case $srcdir in
4415     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4416     .) reldir=$depth ;;
4417     *) reldir=$depth/$srcdir ;;
4418     esac
4419     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4420     cd runtime/etc/mono/2.0/Browsers
4421     rm -f Compat.browser
4422     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4423     cd $depth
4424 ],[LN_S='$LN_S'])
4425
4426 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4427 [   depth=../../../../..
4428     case $srcdir in
4429     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4430     .) reldir=$depth ;;
4431     *) reldir=$depth/$srcdir ;;
4432     esac
4433     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4434     cd runtime/etc/mono/4.0/Browsers
4435     rm -f Compat.browser
4436     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4437     cd $depth
4438 ],[LN_S='$LN_S'])
4439
4440 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4441 [   depth=../../../../..
4442     case $srcdir in
4443     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4444     .) reldir=$depth ;;
4445     *) reldir=$depth/$srcdir ;;
4446     esac
4447     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4448     cd runtime/etc/mono/4.5/Browsers
4449     rm -f Compat.browser
4450     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4451     cd $depth
4452 ],[LN_S='$LN_S'])
4453
4454 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4455 [   depth=../../../..
4456     case $srcdir in
4457     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4458     .) reldir=$depth ;;
4459     *) reldir=$depth/$srcdir ;;
4460     esac
4461     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4462     cd runtime/etc/mono/4.0
4463     rm -f machine.config
4464     $LN_S $reldir/data/net_4_0/machine.config machine.config
4465     cd $depth
4466 ],[LN_S='$LN_S'])
4467
4468 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4469 [   depth=../../../..
4470     case $srcdir in
4471     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4472     .) reldir=$depth ;;
4473     *) reldir=$depth/$srcdir ;;
4474     esac
4475     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4476     cd runtime/etc/mono/4.0
4477     rm -f web.config
4478     $LN_S $reldir/data/net_4_0/web.config web.config
4479     cd $depth
4480 ],[LN_S='$LN_S'])
4481
4482 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4483 [   depth=../../../..
4484     case $srcdir in
4485     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4486     .) reldir=$depth ;;
4487     *) reldir=$depth/$srcdir ;;
4488     esac
4489     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4490     cd runtime/etc/mono/4.5
4491     rm -f machine.config
4492     $LN_S $reldir/data/net_4_5/machine.config machine.config
4493     cd $depth
4494 ],[LN_S='$LN_S'])
4495
4496 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4497 [   depth=../../../..
4498     case $srcdir in
4499     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4500     .) reldir=$depth ;;
4501     *) reldir=$depth/$srcdir ;;
4502     esac
4503     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4504     cd runtime/etc/mono/4.5
4505     rm -f web.config
4506     $LN_S $reldir/data/net_4_5/web.config web.config
4507     cd $depth
4508 ],[LN_S='$LN_S'])
4509
4510 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])
4511 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])
4512
4513 AC_OUTPUT([
4514 Makefile
4515 mono-uninstalled.pc
4516 acceptance-tests/Makefile
4517 llvm/Makefile
4518 scripts/mono-find-provides
4519 scripts/mono-find-requires
4520 mono/Makefile
4521 mono/btls/Makefile
4522 mono/utils/Makefile
4523 mono/metadata/Makefile
4524 mono/dis/Makefile
4525 mono/cil/Makefile
4526 mono/arch/Makefile
4527 mono/arch/x86/Makefile
4528 mono/arch/amd64/Makefile
4529 mono/arch/ppc/Makefile
4530 mono/arch/sparc/Makefile
4531 mono/arch/s390x/Makefile
4532 mono/arch/arm/Makefile
4533 mono/arch/arm64/Makefile
4534 mono/arch/mips/Makefile
4535 mono/sgen/Makefile
4536 mono/tests/Makefile
4537 mono/tests/tests-config
4538 mono/tests/gc-descriptors/Makefile
4539 mono/tests/testing_gac/Makefile
4540 mono/unit-tests/Makefile
4541 mono/benchmark/Makefile
4542 mono/mini/Makefile
4543 mono/profiler/Makefile
4544 eglib/Makefile
4545 eglib/src/Makefile
4546 eglib/src/eglib-config.h
4547 m4/Makefile
4548 ikvm-native/Makefile
4549 scripts/Makefile
4550 man/Makefile
4551 docs/Makefile
4552 data/Makefile
4553 data/net_2_0/Makefile
4554 data/net_4_0/Makefile
4555 data/net_4_5/Makefile
4556 data/net_2_0/Browsers/Makefile
4557 data/net_4_0/Browsers/Makefile
4558 data/net_4_5/Browsers/Makefile
4559 data/mint.pc
4560 data/mono-2.pc
4561 data/monosgen-2.pc
4562 data/mono.pc
4563 data/mono-cairo.pc
4564 data/mono-nunit.pc
4565 data/mono-options.pc
4566 data/mono-lineeditor.pc
4567 data/monodoc.pc
4568 data/dotnet.pc
4569 data/dotnet35.pc
4570 data/wcf.pc
4571 data/cecil.pc
4572 data/system.web.extensions_1.0.pc
4573 data/system.web.extensions.design_1.0.pc
4574 data/system.web.mvc.pc
4575 data/system.web.mvc2.pc
4576 data/system.web.mvc3.pc
4577 data/aspnetwebstack.pc
4578 data/reactive.pc
4579 samples/Makefile
4580 support/Makefile
4581 data/config
4582 tools/Makefile
4583 tools/locale-builder/Makefile
4584 tools/sgen/Makefile
4585 tools/monograph/Makefile
4586 tools/pedump/Makefile
4587 runtime/Makefile
4588 msvc/Makefile
4589 po/Makefile
4590 ])
4591
4592 # Update all submodules recursively to ensure everything is checked out
4593 $srcdir/scripts/update_submodules.sh
4594
4595 if test x$host_win32 = xyes; then
4596    # Get rid of 'cyg' prefixes in library names
4597    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4598    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4599    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4600    # executable doesn't work...
4601    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4602 fi
4603
4604 if test x$host_darwin = xyes; then
4605    # This doesn't seem to be required and it slows down parallel builds
4606    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4607 fi
4608
4609 (
4610   case $prefix in
4611   NONE) prefix=$ac_default_prefix ;;
4612   esac
4613   case $exec_prefix in
4614   NONE) exec_prefix='${prefix}' ;;
4615   esac
4616
4617   #
4618   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4619   # any existing config.make.  This allows people to share the same source tree
4620   # with different build directories, one native and one cross
4621   #
4622   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4623
4624     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4625
4626     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4627     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4628     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4629     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4630     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4631     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4632     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4633     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4634     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4635
4636     case $INSTALL in
4637     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4638     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4639     esac
4640
4641     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4642
4643     export VERSION
4644     [myver=$($AWK 'BEGIN {
4645       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4646       if(length(vsplit [1]) > 4) {
4647         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4648       }
4649       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4650     }')]
4651
4652     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4653     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4654
4655     if test x$host_darwin = xyes; then
4656       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4657     elif test x$host_win32 = xyes; then
4658       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4659     else
4660       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4661     fi
4662
4663     if test x$host_darwin = xyes; then
4664       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4665     elif test x$host_win32 = xyes; then
4666       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4667     else
4668       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4669     fi
4670
4671     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4672       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4673     fi
4674
4675         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4676            enable_system_aot=yes
4677         fi
4678
4679     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4680       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4681     fi
4682
4683     if test x$DISABLE_MCS_DOCS = xyes; then
4684       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4685     fi
4686
4687     if test x$has_extension_module != xno; then
4688         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4689     fi
4690     
4691     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4692     
4693     if test "x$test_bcl_opt" = "xyes"; then    
4694       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4695     fi
4696
4697     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4698
4699     if test $csc_compiler = mcs; then
4700       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4701     fi
4702
4703     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4704       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4705       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4706     fi
4707
4708     if test "x$enable_btls" = "xyes"; then
4709       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4710     fi
4711
4712   fi
4713
4714 )
4715
4716 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4717
4718 btls_platform_string=
4719 if test x$enable_btls = xyes; then
4720         if test x$btls_android = xyes; then
4721                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4722         else
4723                 btls_platform_string=" ($BTLS_PLATFORM)"
4724         fi
4725 fi
4726
4727 echo "
4728         mcs source:    $mcsdir
4729         C# Compiler:   $csc_compiler
4730
4731    Engine:
4732         Host:          $host
4733         Target:        $target
4734         GC:            $gc_msg 
4735         TLS:           $with_tls
4736         SIGALTSTACK:   $with_sigaltstack
4737         Engine:        $jit_status
4738         BigArrays:     $enable_big_arrays
4739         DTrace:        $enable_dtrace
4740         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4741         Interpreter:   $enable_interpreter
4742
4743    Libraries:
4744         .NET 4.x:        $with_profile4_x
4745         Xamarin.Android: $with_monodroid
4746         Xamarin.iOS:     $with_monotouch
4747         Xamarin.WatchOS: $with_monotouch_watch
4748         Xamarin.TVOS:    $with_monotouch_tv
4749         Xamarin.Mac:     $with_xammac
4750         Windows AOT:     $with_winaot
4751         Orbis:           $with_orbis
4752         Unreal:          $with_unreal
4753         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4754         JNI support:     $jdk_headers_found
4755         libgdiplus:      $libgdiplus_msg
4756         zlib:            $zlib_msg
4757         BTLS:            $enable_btls$btls_platform_string
4758         $disabled
4759 "
4760 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4761    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4762 fi