[msvc] Update csproj files (#4474)
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 # when bumping version number below, keep it in sync with man/mono.1 too
5 AC_INIT(mono, [4.9.1],
6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
7
8 AC_CONFIG_SRCDIR([README.md])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12
13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
14 # The extra brackets are to foil regex-based scans.
15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16
17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21
22 AC_CONFIG_HEADERS([config.h])
23 AM_MAINTAINER_MODE
24
25 API_VER=2.0
26 AC_SUBST(API_VER)
27
28 AC_PROG_LN_S
29
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31
32 case $host_os in
33 *cygwin* )
34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
35                  exit 1
36 esac
37
38 # In case of cygwin, override LN_S, irrespective of what it determines.
39 # The build uses cygwin, but the actual runtime doesn't.
40 case $host_os in
41 *cygwin* ) LN_S='cp -p';;
42 esac
43
44 #
45 # libgc defaults
46 #
47 libgc_configure_args=
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
56 CFLAGS_FOR_BTLS=$CFLAGS
57
58 # libgc uses some deprecated APIs
59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
60
61 #
62 # These are the flags that need to be stored in the mono.pc file for 
63 # compiling code that will embed Mono
64 #
65 libmono_cflags=""
66 libmono_ldflags=""
67 AC_SUBST(libmono_cflags)
68 AC_SUBST(libmono_ldflags)
69
70 # Variable to have relocatable .pc files (lib, or lib64)
71 # realpath isn't always available, and requires that all but the tip of the provided
72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
74 # too deep for the old method to work
75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
76 AC_SUBST(reloc_libdir)
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 host_win32=no
92 target_win32=no
93 platform_android=no
94 host_darwin=no
95 case "$host" in
96         *-mingw*|*-*-cygwin*)
97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
99                 host_win32=yes
100                 mono_cv_clang=no
101                 if test "x$cross_compiling" = "xno"; then
102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
103                                 target_win32=yes
104                         fi
105                 else
106                         if test "x$host" = "x$target"; then
107                                 target_win32=yes
108                         fi
109                 fi
110                 HOST_CC="gcc"
111                 # Windows Vista or later is required
112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
114                 libmono_cflags="-mms-bitfields -mwindows"
115                 libmono_ldflags="-mms-bitfields -mwindows"
116                 libdl=
117                 libgc_threads=win32
118                 with_sigaltstack=no
119                 with_tls=pthread
120                 with_sgen_default_concurrent=yes
121                 LN_S=cp
122                 # This forces libgc to use the DllMain based thread registration code on win32
123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
124                 ;;
125         *-*-*netbsd*)
126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
127                 libmono_cflags="-D_REENTRANT"
128                 LDFLAGS="$LDFLAGS -pthread"
129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
130                 libmono_ldflags="-pthread"
131                 need_link_unlink=yes
132                 libdl="-ldl"
133                 libgc_threads=pthreads
134                 with_sigaltstack=no
135                 use_sigposix=yes
136                 with_sgen_default_concurrent=yes
137                 ;;
138         *-*-kfreebsd*-gnu)
139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
141                 libmono_ldflags="-lpthread -pthread"
142                 libdl="-ldl"
143                 libgc_threads=pthreads
144                 need_link_unlink=yes
145                 with_sigaltstack=no
146                 use_sigposix=yes
147                 with_sgen_default_concurrent=yes
148                 ;;
149         *-*-*freebsd*)
150                 if test "x$PTHREAD_CFLAGS" = "x"; then
151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
152                         libmono_cflags=
153                 else
154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
155                         libmono_cflags="$PTHREAD_CFLAGS"
156                 fi
157                 if test "x$PTHREAD_LIBS" = "x"; then
158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
159                         libmono_ldflags="-pthread"
160                 else
161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
162                         libmono_ldflags="$PTHREAD_LIBS"
163                 fi
164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
165                 need_link_unlink=yes
166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
167                 libdl=
168                 libgc_threads=pthreads
169                 use_sigposix=yes
170                 has_dtrace=yes
171                 with_sgen_default_concurrent=yes
172                 ;;
173         *-*-*openbsd*)
174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
175                 if test "x$disable_munmap" != "xyes"; then
176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
177                 fi
178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
179                 LDFLAGS="$LDFLAGS -pthread"
180                 need_link_unlink=yes
181                 AC_DEFINE(PTHREAD_POINTER_ID)
182                 libdl=
183                 libgc_threads=pthreads
184                 with_sigaltstack=no
185                 use_sigposix=yes
186                 with_sgen_default_concurrent=yes
187                 ;;
188         *-*-linux-android*)
189                 platform_android=yes
190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
192
193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
194                 if test "x$disable_munmap" != "xyes"; then
195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
196                 fi
197                 libmono_cflags="-D_REENTRANT"
198                 libdl="-ldl"
199                 libgc_threads=pthreads
200                 use_sigposix=yes
201
202                 with_tls=pthread
203                 with_sigaltstack=no
204                 with_static_mono=no
205
206                 # Android doesn't support boehm, as it's missing <link.h>
207                 support_boehm=no
208                 with_gc=sgen
209
210                 # isinf(3) requires -lm; see isinf check below
211                 LDFLAGS="$LDFLAGS -lm"
212
213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
218
219                 # The configure check can't detect this
220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
221
222                 # to bypass the underscore linker check, can't work when cross-compiling
223                 mono_cv_uscore=yes
224                 mono_cv_clang=no
225                 ;;
226         *-*-linux*)
227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
228                 if test "x$disable_munmap" != "xyes"; then
229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
230                 fi
231                 libmono_cflags="-D_REENTRANT"
232                 libdl="-ldl"
233                 libgc_threads=pthreads
234                 use_sigposix=yes
235                 if test "x$cross_compiling" != "xno"; then
236                         # to bypass the underscore linker check, not
237                         # available during cross-compilation
238                         mono_cv_uscore=no
239                 fi
240                 case "$host" in
241                 aarch64-*)
242                         support_boehm=no
243                         with_gc=sgen
244                         ;;
245                 powerpc*-*-linux*)
246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
247                         disable_munmap=yes
248                         ;;
249                 esac
250                 with_sgen_default_concurrent=yes
251                 ;;
252         *-*-nacl*)
253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
254                 if test "x$disable_munmap" != "xyes"; then
255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
256                 fi
257                 libmono_cflags="-D_REENTRANT"
258                 libdl=
259                 libgc_threads=pthreads
260                 use_sigposix=yes
261                 ikvm_native=no
262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
264                 ;;
265         *-*-hpux*)
266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
267                 # +ESdbgasm only valid on bundled cc on RISC
268                 # silently ignored for ia64
269                 if test $GCC != "yes"; then
270                         CFLAGS="$CFLAGS +ESdbgasm"
271                         # Arrange for run-time dereferencing of null
272                         # pointers to produce a SIGSEGV signal.
273                         LDFLAGS="$LDFLAGS -z"
274                 fi
275                 CFLAGS="$CFLAGS +ESdbgasm"
276                 LDFLAGS="$LDFLAGS -z"
277                 libmono_cflags="-D_REENTRANT"
278                 libmono_ldflags="-lpthread"
279                 libgc_threads=pthreads
280                 need_link_unlink=yes
281                 use_sigposix=yes
282                 ;;
283         *-*-solaris*)
284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
285                 need_link_unlink=yes
286                 libmono_cflags="-D_REENTRANT"
287                 libgc_threads=pthreads
288                 has_dtrace=yes
289                 use_sigposix=yes
290                 enable_solaris_tar_check=yes
291                 ;;
292         *-*-darwin*)
293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
294                 host_darwin=yes
295                 target_mach=yes
296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
297                 libmono_cflags="-D_THREAD_SAFE"
298                 need_link_unlink=yes
299                 AC_DEFINE(PTHREAD_POINTER_ID)
300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
301                 libdl=
302                 libgc_threads=pthreads
303                 has_dtrace=yes
304                 if test "x$cross_compiling" = "xyes"; then
305                         has_broken_apple_cpp=yes
306                 fi
307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
310                 case "$host" in
311                         dnl Snow Leopard and newer config.guess reports as this
312                         i*86-*-darwin*)
313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
323                                 with_sgen_default_concurrent=yes
324                                 ;;
325                         x*64-*-darwin*)
326                                 with_sgen_default_concurrent=yes
327                                 ;;
328                         arm*-darwin*)
329                                 has_dtrace=no
330                                 ;;                      
331                 esac
332                 ;;
333         *-*-haiku*)
334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
336                 libdl=
337                 LIBS="$LIBS -lnetwork -ltextencoding"
338                 need_link_unlink=yes
339                 AC_DEFINE(PTHREAD_POINTER_ID)
340                 dnl Haiku does not support static TLS with __thread
341                 with_tls=pthread
342                 dnl Boehm is too much work to backport Haiku support for
343                 support_boehm=no
344                 libgc_threads=pthreads
345                 use_sigposix=yes
346                 ;;
347         *)
348                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
349                 libdl="-ldl"
350                 ;;
351 esac
352 AC_MSG_RESULT(ok)
353
354 if test x$need_link_unlink = xyes; then
355    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
356 fi
357
358 if test x$host_win32 = xyes; then
359    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
360 fi
361
362 if test x$target_win32 = xyes; then
363    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
364 fi
365
366 # Defined for all targets/platforms using classic Windows API support.
367 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
368 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
369
370 AC_SUBST(extra_runtime_ldflags)
371 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
372 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
373 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
374 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
375 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
376 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
377
378 if test -z "$PLATFORM_DARWIN_TRUE"; then :
379 PLATFORM_AOT_SUFFIX=.dylib
380 fi
381
382 if test -z "$PLATFORM_LINUX_TRUE"; then :
383 PLATFORM_AOT_SUFFIX=.so
384 fi
385
386 if test -z "$HOST_WIN32_TRUE"; then :
387 PLATFORM_AOT_SUFFIX=.dll
388 fi
389
390 AC_SUBST(PLATFORM_AOT_SUFFIX)
391
392 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
393
394 AC_CHECK_TOOL(CC, gcc, gcc)
395 AC_PROG_CC
396 AC_CHECK_TOOL(CXX, g++, g++)
397 AC_PROG_CXX
398 AM_PROG_AS
399 AC_PROG_INSTALL
400 AC_PROG_AWK
401 AM_PROG_CC_C_O
402 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
403 : ${CCAS='$(CC)'}
404 # Set ASFLAGS if not already set.
405 : ${CCASFLAGS='$(CFLAGS)'}
406 AC_SUBST(CCAS)
407 AC_SUBST(CCASFLAGS)
408
409 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
410 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
411 if test "x$CXX" = "xg++"; then
412         if test "x$GXX" != "xyes"; then
413                 # automake/libtool is so broken, it requires g++ even if the c++ sources
414                 # are inside automake conditionals
415                 AC_MSG_ERROR([You need to install g++])
416         fi
417 fi
418
419 dnl may require a specific autoconf version
420 dnl AC_PROG_CC_FOR_BUILD
421 dnl CC_FOR_BUILD not automatically detected
422 CC_FOR_BUILD=$CC
423 CFLAGS_FOR_BUILD=$CFLAGS
424 BUILD_EXEEXT=
425 if test "x$cross_compiling" = "xyes"; then
426         CC_FOR_BUILD=cc
427         CFLAGS_FOR_BUILD=
428         BUILD_EXEEXT=""
429 fi
430 AC_SUBST(CC_FOR_BUILD)
431 AC_SUBST(CFLAGS_FOR_BUILD)
432 AC_SUBST(HOST_CC)
433 AC_SUBST(BUILD_EXEEXT)
434
435 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
436 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
437
438 # Set STDC_HEADERS
439 AC_HEADER_STDC
440 AC_LIBTOOL_WIN32_DLL
441 # This causes monodis to not link correctly
442 #AC_DISABLE_FAST_INSTALL
443
444 #lookup makedev() header
445 AC_HEADER_MAJOR
446
447 AM_PROG_LIBTOOL
448 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
449 DOLT
450
451 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
452 AC_SUBST(export_ldflags)
453
454 # Test whenever ld supports -version-script
455 AC_PROG_LD
456 AC_PROG_LD_GNU
457
458 AM_ICONV()
459
460 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
461 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
462 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
463                   [], [], [#include <stddef.h>
464                   #include <sys/socket.h>
465                   #include <linux/socket.h>])
466
467 AC_CHECK_HEADERS(sys/user.h, [], [],
468 [
469 #ifdef HAVE_SYS_PARAM_H
470 # include <sys/param.h>
471 #endif
472 ])
473
474 AC_CHECK_HEADERS(linux/serial.h)
475
476 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
477 if test x$have_zlib = xyes; then
478    AC_TRY_COMPILE([#include <zlib.h>], [
479    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
480    return 0;
481    #else
482    #error No good zlib found
483    #endif
484    ],[
485         AC_MSG_RESULT(Using system zlib)
486         zlib_msg="system zlib"
487         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
488    ],[
489         AC_MSG_RESULT(Using embedded zlib)
490         have_zlib=no
491         zlib_msg="bundled zlib"
492    ])
493 fi
494
495 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
496 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
497
498 # for mono/metadata/debug-symfile.c
499 AC_CHECK_HEADERS(elf.h)
500
501 # for support
502 AC_CHECK_HEADERS(poll.h)
503 AC_CHECK_HEADERS(sys/poll.h)
504 AC_CHECK_HEADERS(sys/wait.h)
505 AC_CHECK_HEADERS(grp.h)
506 AC_CHECK_HEADERS(syslog.h)
507
508 # for mono/dis
509 AC_CHECK_HEADERS(wchar.h)
510 AC_CHECK_HEADERS(ieeefp.h)
511 AC_MSG_CHECKING(for isinf)
512 AC_TRY_LINK([#include <math.h>], [
513         int f = isinf (1.0);
514 ], [
515         AC_MSG_RESULT(yes)
516         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
517 ], [
518         # We'll have to use signals
519         AC_MSG_RESULT(no)
520 ])
521 # mingw
522 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
523         AC_TRY_LINK([#include <math.h>], 
524         [ _finite(0.0); ], 
525         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
526         AC_MSG_RESULT(no)))
527
528 # for Linux statfs support
529 AC_CHECK_HEADERS(linux/magic.h)
530
531 # not 64 bit clean in cross-compile
532 AC_CHECK_SIZEOF(void *, 4)
533
534 AC_CACHE_CHECK([for clang],
535         mono_cv_clang,[
536         AC_TRY_COMPILE([], [
537                 #ifdef __clang__
538                 #else
539                 #error "FAILED"
540                 #endif
541                 return 0;
542         ],
543         [mono_cv_clang=yes],
544         [mono_cv_clang=no],
545         [])
546 ])
547
548 AC_ARG_ENABLE(visibility-hidden,
549 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
550    disable_visibility_hidden=yes, disable_visibility_hidden=no)
551
552 WARN=''
553 if test x"$GCC" = xyes; then
554         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
555
556                 # We require C99 with some GNU extensions, e.g. `linux` macro
557                 CFLAGS="$CFLAGS -std=gnu99"
558
559                 # The runtime code does not respect ANSI C strict aliasing rules
560                 CFLAGS="$CFLAGS -fno-strict-aliasing"
561
562                 # We rely on signed overflow to behave
563                 CFLAGS="$CFLAGS -fwrapv"
564
565                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
566                 if test x"$disable_visibility_hidden" = xno; then
567                    # Don't export any symbols by default
568                    SHARED_CFLAGS="-fvisibility=hidden"
569                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
570                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
571                 fi
572
573                 ORIG_CFLAGS=$CFLAGS
574                 # Check for the normal version, since gcc ignores unknown -Wno options
575                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
576                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
577                 AC_TRY_COMPILE([],[
578                                 return 0;
579                 ], [
580                    AC_MSG_RESULT(yes)
581                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
582                 ], [
583                    AC_MSG_RESULT(no)
584                    CFLAGS=$ORIG_CFLAGS
585                 ])
586
587                 if test "x$mono_cv_clang" = "xyes"; then
588                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
589                    WARN="$WARN -Qunused-arguments"
590                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
591                    # We rely on zero length arrays in structs
592                    WARN="$WARN -Wno-zero-length-array"
593                 fi
594 else
595         # The Sun Forte compiler complains about inline functions that access static variables
596         # so disable all inlining.
597         case "$host" in
598         *-*-solaris*)
599                 CFLAGS="$CFLAGS -Dinline="
600                 ;;
601         esac
602 fi
603 CFLAGS="$CFLAGS -g $WARN"
604 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
605 CPPFLAGS="$CPPFLAGS -g $WARN"
606
607 # Where's the 'mcs' source tree?
608 if test -d $srcdir/mcs; then
609   mcsdir=mcs
610 else
611   mcsdir=../mcs
612 fi
613
614 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
615         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
616                 mcsdir=$with_mcs_path
617         fi
618 )
619
620 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
621
622 #
623 # A sanity check to catch cases where the package was unpacked
624 # with an ancient tar program (Solaris)
625 #
626 AC_ARG_ENABLE(solaris-tar-check,
627 [  --disable-solaris-tar-check    disable solaris tar check],
628    do_solaris_tar_check=no, do_solaris_tar_check=yes)
629
630 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
631         AC_MSG_CHECKING(integrity of package)
632         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
633         then
634                 AC_MSG_RESULT(ok)
635         else
636                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
637                 AC_MSG_ERROR([$errorm])
638         fi
639 fi
640
641 if test "x$with_mcs_path" != "x"; then
642 mcs_topdir=$(cd "$mcsdir" && pwd)
643 mcs_topdir_from_srcdir=$mcs_topdir
644 else
645 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
646 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
647 fi
648
649 # Convert mcs_topdir* paths to Windows syntax.
650 if test x$cross_compiling$host_win32 = xnoyes; then
651   mcs_topdir=$(cygpath -m $mcs_topdir)
652   case $mcs_topdir_from_srcdir in
653     /cygdrive/*)
654         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
655         ;;
656   esac
657 fi
658
659 AC_SUBST([mcs_topdir])
660 AC_SUBST([mcs_topdir_from_srcdir])
661
662 # gettext: prepare the translation directories. 
663 # we do not configure the full gettext, as we consume it dynamically from C#
664 AM_PO_SUBDIRS
665
666 if test "x$USE_NLS" = "xyes"; then
667    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
668
669    if test "x$HAVE_MSGFMT" = "xno"; then
670           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
671    fi
672 fi
673
674 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
675
676 pkg_config_path=
677 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
678         if test x$with_crosspkgdir = "x"; then
679                 if test -s $PKG_CONFIG_PATH; then
680                         pkg_config_path=$PKG_CONFIG_PATH
681                 fi
682         else
683                 pkg_config_path=$with_crosspkgdir
684                 PKG_CONFIG_PATH=$pkg_config_path
685                 export PKG_CONFIG_PATH
686         fi
687 )
688
689 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
690 if test x$werror_flag = xyes; then
691         WERROR_CFLAGS="-Werror"
692 fi
693 AC_SUBST([WERROR_CFLAGS])
694 AC_SUBST([SHARED_CFLAGS])
695
696 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
697 AC_CONFIG_SUBDIRS(eglib)
698
699 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
700 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
701   
702 AC_SUBST(GLIB_CFLAGS)
703 AC_SUBST(GLIB_LIBS)
704
705 # Enable support for fast thread-local storage
706 # Some systems have broken support, so we allow to disable it.
707 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
708
709 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
710 # This does not work on some platforms (bug #55253)
711 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
712
713 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
714 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
715 # Same as --with-shared_mono=no
716 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
717
718 if test "x$enable_static" = "xno"; then
719    with_static_mono=no
720 fi
721
722 if test "x$enable_shared" = "xno"; then
723    with_shared_mono=no
724 fi
725
726 if test "x$enable_libraries" = "xno"; then
727    with_shared_mono=no
728 fi
729
730 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
731
732 case $host in
733 *nacl* ) with_shared_mono=yes;;
734 esac
735
736 if test "x$host_win32" = "xyes"; then
737    # Boehm GC requires the runtime to be in its own dll
738    with_static_mono=no
739 fi
740
741 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
742 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
743 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
744
745 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
746 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
747         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
748         ORIG_CFLAGS=$CFLAGS
749         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
750         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
751         AC_TRY_COMPILE([], [
752                 return 0;
753         ], [
754            AC_MSG_RESULT(yes)
755            # Pass it to libgc as well
756            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
757         ], [
758            AC_MSG_RESULT(no)
759            CFLAGS=$ORIG_CFLAGS
760         ])
761 fi
762
763 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
764
765 if test x$enable_small_config = xyes; then
766         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
767         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
768 fi
769
770 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
771
772 DISABLED_FEATURES=none
773 csc_compiler=default
774 endian=unknown
775 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
776 AC_MSG_CHECKING([CSharp compiler to use])
777 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
778    if test x$withval = xmcs; then
779        csc_compiler=mcs
780    elif test x$withval = xroslyn; then
781        csc_compiler=roslyn
782    elif test x$withval = xdefault; then
783        :
784    else
785        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
786    fi
787 ],[csc_compiler=default])
788
789 if test $csc_compiler = default; then
790    if test $endian = big; then
791       csc_compiler=mcs
792    elif test $endian = little; then
793       csc_compiler=roslyn
794    else
795       csc_compiler=mcs
796    fi
797 fi
798 AC_MSG_RESULT($csc_compiler)
799
800 #
801 # Set the build profiles and options before things which use them
802 #
803
804 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
805 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
806 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
807 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
808 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
809 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
810 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
811 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
812 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
813 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
814 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
815
816
817 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
818
819 dnl
820 dnl Profile defaults
821 dnl
822 TEST_PROFILE=default
823 enable_llvm_default=no
824
825 with_profile4_x_default=no
826 with_monodroid_default=no
827 with_monotouch_default=no
828 with_monotouch_watch_default=no
829 with_monotouch_tv_default=no
830 with_xammac_default=no
831 with_testing_aot_hybrid_default=no
832 with_testing_aot_full_default=no
833 with_winaot_default=no
834 with_orbis_default=no
835
836 with_bitcode_default=no
837 with_cooperative_gc_default=no
838
839 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
840
841 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
842    DISABLE_MCS_DOCS_default=yes
843 elif test x$with_runtime_preset = xnet_4_x; then
844    with_profile4_x_default=yes
845 elif test x$with_runtime_preset = xall; then
846    with_profile4_x_default=yes
847    with_monodroid_default=yes
848    with_monotouch_default=yes
849    with_monotouch_watch_default=yes
850    with_monotouch_tv_default=yes
851    with_xammac_default=yes
852    with_winaot_default=yes
853    with_orbis_default=yes
854 elif test x$with_runtime_preset = xfullaot; then
855    DISABLE_MCS_DOCS_default=yes
856    with_testing_aot_full_default=yes
857    TEST_PROFILE=testing_aot_full
858
859    mono_feature_disable_com='yes'
860    mono_feature_disable_remoting='yes'
861    mono_feature_disable_reflection_emit_save='yes'
862    mono_feature_disable_reflection_emit='yes'
863    mono_feature_disable_appdomains='yes'
864
865    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
866
867    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
868 elif test x$with_runtime_preset = xbitcode; then
869    DISABLE_MCS_DOCS_default=yes
870    with_testing_aot_full_default=yes
871    with_bitcode_default=yes
872    with_cooperative_gc_default=yes
873    TEST_PROFILE=testing_aot_full
874    enable_llvm_default=yes
875
876    mono_feature_disable_com='yes'
877    mono_feature_disable_remoting='yes'
878    mono_feature_disable_reflection_emit_save='yes'
879    mono_feature_disable_reflection_emit='yes'
880    mono_feature_disable_appdomains='yes'
881
882    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
883    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
884 elif test x$with_runtime_preset = xhybridaot; then
885    DISABLE_MCS_DOCS_default=yes
886    with_testing_aot_hybrid_default=yes
887    TEST_PROFILE=testing_aot_hybrid 
888
889    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
890    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
891 elif test x$with_runtime_preset = xaot; then
892    with_profile4_x_default=yes
893
894    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
895    AOT_RUN_FLAGS=""
896
897    DISABLE_MCS_DOCS_default=yes
898 elif test x$with_runtime_preset = xwinaot; then
899    DISABLE_MCS_DOCS_default=yes
900    with_winaot_default=yes
901    TEST_PROFILE=winaot
902
903    mono_feature_disable_com='yes'
904    mono_feature_disable_remoting='yes'
905    mono_feature_disable_reflection_emit_save='yes'
906    mono_feature_disable_reflection_emit='yes'
907    mono_feature_disable_appdomains='yes'
908
909    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
910    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
911 elif test x$with_runtime_preset = xorbis; then
912    DISABLE_MCS_DOCS_default=yes
913    with_orbis_default=yes
914    TEST_PROFILE=orbis
915
916    mono_feature_disable_com='yes'
917    mono_feature_disable_remoting='yes'
918    mono_feature_disable_reflection_emit_save='yes'
919    mono_feature_disable_reflection_emit='yes'
920    mono_feature_disable_appdomains='yes'
921
922    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
923    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
924 else
925    with_profile4_x_default=yes
926 fi
927
928 if test "x$AOT_BUILD_FLAGS" != "x"; then :
929    AC_SUBST(AOT_BUILD_FLAGS)
930    AC_SUBST(AOT_RUN_FLAGS)
931    # For llvmonlycheck + fullaotcheck
932    AC_SUBST(INVARIANT_AOT_OPTIONS)
933 fi
934
935 AC_SUBST(TEST_PROFILE)
936
937 if test "x$with_profile4_x" = "xdefault"; then
938    with_profile4_x=$with_profile4_x_default
939 fi
940 if test "x$with_monodroid" = "xdefault"; then
941    with_monodroid=$with_monodroid_default
942 fi
943 if test "x$with_monotouch" = "xdefault"; then
944    with_monotouch=$with_monotouch_default
945 fi
946 if test "x$with_monotouch_watch" = "xdefault"; then
947    with_monotouch_watch=$with_monotouch_watch_default
948 fi
949 if test "x$with_monotouch_tv" = "xdefault"; then
950    with_monotouch_tv=$with_monotouch_tv_default
951 fi
952 if test "x$with_bitcode" = "xdefault"; then
953    with_bitcode=$with_bitcode_default
954 fi
955 if test "x$with_xammac" = "xdefault"; then
956    with_xammac=$with_xammac_default
957 fi
958 if test "x$with_testing_aot_hybrid" = "xdefault"; then
959    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
960 fi
961 if test "x$with_testing_aot_full" = "xdefault"; then
962    with_testing_aot_full=$with_testing_aot_full_default
963 fi
964 if test "x$with_winaot" = "xdefault"; then
965    with_winaot=$with_winaot_default
966 fi
967 if test "x$with_orbis" = "xdefault"; then
968    with_orbis=$with_orbis_default
969 fi
970
971
972 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
973 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
974 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
975 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
976 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
977 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
978 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
979 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
980 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
981 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
982 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
983 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
984 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
985
986 default_profile=net_4_x
987 if test -z "$INSTALL_MONODROID_TRUE"; then :
988    default_profile=monodroid
989 fi
990 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
991    default_profile=monotouch
992 fi
993 if test -z "$INSTALL_XAMMAC_TRUE"; then :
994    default_profile=xammac
995 fi
996 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
997    default_profile=testing_aot_hybrid
998 fi
999 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1000    default_profile=testing_aot_full
1001 fi
1002 if test -z "$INSTALL_WINAOT_TRUE"; then :
1003    default_profile=winaot
1004 fi
1005 if test -z "$INSTALL_ORBIS_TRUE"; then :
1006    default_profile=orbis
1007 fi
1008 if test -z "$INSTALL_4_x_TRUE"; then :
1009    default_profile=net_4_x
1010 fi
1011 DEFAULT_PROFILE=$default_profile
1012 AC_SUBST(DEFAULT_PROFILE)
1013
1014 #
1015 # End build profile configuration
1016 #
1017
1018 if test x$USE_NLS = xprofile_default; then
1019
1020 if test x$host_darwin = xyes; then
1021 # We make the default value for USE_NLS
1022 # "no" on OSX because it isn't available on most
1023 # default OSX installs. The most common configurations will
1024 # all disable it, so this saves us typing.
1025   USE_NLS=no
1026   AC_SUBST([USE_NLS])
1027   AC_MSG_RESULT([$USE_NLS])
1028 else
1029   USE_NLS=yes
1030   AC_SUBST([USE_NLS])
1031   AC_MSG_RESULT([$USE_NLS])
1032 fi
1033
1034 fi
1035
1036 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1037      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1038      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1039          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1040 [
1041         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1042                 eval "mono_feature_disable_$feature='yes'"
1043         done
1044         DISABLED_FEATURES=$enable_minimal
1045         disabled="Disabled:      $enable_minimal"
1046 ],[])
1047
1048 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1049
1050 if test "x$mono_feature_disable_aot" = "xyes"; then
1051         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1052         enable_system_aot=no
1053         AC_MSG_NOTICE([Disabled AOT compiler])
1054 fi
1055
1056 if test "x$mono_feature_disable_profiler" = "xyes"; then
1057         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1058         AC_MSG_NOTICE([Disabled support for the profiler])
1059 fi
1060 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1061
1062 if test "x$mono_feature_disable_decimal" = "xyes"; then
1063         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1064         AC_MSG_NOTICE([Disabled support for decimal])
1065 fi
1066
1067 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1068         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1069         AC_MSG_NOTICE([Disabled support for P/Invoke])
1070 fi
1071
1072 if test "x$mono_feature_disable_debug" = "xyes"; then
1073         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1074         AC_MSG_NOTICE([Disabled support for runtime debugging])
1075 fi
1076
1077 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1078         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1079         mono_feature_disable_reflection_emit_save=yes
1080         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1081 fi
1082
1083 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1084         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1085         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1086 fi
1087
1088 if test "x$mono_feature_disable_large_code" = "xyes"; then
1089         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1090         AC_MSG_NOTICE([Disabled support for large assemblies])
1091 fi
1092
1093 if test "x$mono_feature_disable_logging" = "xyes"; then
1094         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1095         AC_MSG_NOTICE([Disabled support for logging])
1096 fi
1097
1098 if test "x$mono_feature_disable_com" = "xyes"; then
1099         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1100         AC_MSG_NOTICE([Disabled COM support])
1101 fi
1102
1103 if test "x$mono_feature_disable_ssa" = "xyes"; then
1104         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1105         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1106 fi
1107
1108 if test "x$mono_feature_disable_generics" = "xyes"; then
1109         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1110         AC_MSG_NOTICE([Disabled Generics Support])
1111 fi
1112
1113 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1114         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1115         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1116 fi
1117
1118 if test "x$mono_feature_disable_portability" = "xyes"; then
1119         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1120         AC_MSG_NOTICE([Disabled IO Portability layer])
1121 fi
1122
1123 if test "x$mono_feature_disable_attach" = "xyes"; then
1124         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1125         AC_MSG_NOTICE([Disabled agent attach])
1126 fi
1127
1128 if test "x$mono_feature_disable_verifier" = "xyes"; then
1129         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1130         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1131 fi
1132
1133 if test "x$mono_feature_disable_jit" = "xyes"; then
1134         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1135         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1136 fi
1137
1138 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1139
1140 if test "x$mono_feature_disable_simd" = "xyes"; then
1141         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1142         AC_MSG_NOTICE([Disabled SIMD support])
1143 fi
1144
1145 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1146         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1147         AC_MSG_NOTICE([Disabled Soft Debugger.])
1148 fi
1149
1150 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1151         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1152         AC_MSG_NOTICE([Disabled Performance Counters.])
1153 fi
1154 if test "x$mono_feature_disable_normalization" = "xyes"; then
1155         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1156         AC_MSG_NOTICE([Disabled String normalization support.])
1157 fi
1158
1159 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1160         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1161         AC_MSG_NOTICE([Disabled Assembly remapping.])
1162 fi
1163
1164 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1165         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1166         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1167 fi
1168
1169 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1170         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1171         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1172 fi
1173
1174 if test "x$mono_feature_disable_remoting" = "xyes"; then
1175         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1176         AC_MSG_NOTICE([Disabled remoting])
1177 fi
1178
1179 if test "x$mono_feature_disable_security" = "xyes"; then
1180         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1181         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1182 fi
1183
1184 if test "x$mono_feature_disable_lldb" = "xyes"; then
1185         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1186         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1187 fi
1188
1189 if test "x$mono_feature_disable_mdb" = "xyes"; then
1190         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1191         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1192 fi
1193
1194 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1195         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1196         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1197 fi
1198
1199 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1200         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1201         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1202 fi
1203
1204 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1205         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1206         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1207 fi
1208
1209 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1210         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1211         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1212 fi
1213
1214 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1215         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1216         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1217 fi
1218
1219 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1220 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1221
1222 has_extension_module=no
1223 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1224 [
1225         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1226                 if test x$extension = xdefault ; then
1227                         has_extension_module=yes;
1228                 fi
1229         done
1230         if test x$enable_extension_module = xyes; then
1231                 has_extension_module=yes;
1232         fi
1233 ], [])
1234
1235 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1236
1237 if test x$has_extension_module != xno ; then
1238         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1239         AC_MSG_NOTICE([Enabling mono extension module.])
1240 fi
1241
1242 # Deprecated
1243 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1244
1245 AC_MSG_CHECKING(for visibility __attribute__)
1246 AC_COMPILE_IFELSE([
1247         AC_LANG_SOURCE([[
1248                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1249                 int main () { doit (); return 0; }
1250         ]])
1251 ], [
1252    have_visibility_hidden=yes
1253    AC_MSG_RESULT(yes)
1254 ], [
1255    have_visibility_hidden=no
1256    AC_MSG_RESULT(no)
1257 ])
1258
1259 dnl
1260 dnl Boehm GC configuration
1261 dnl
1262
1263 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1264
1265 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1266 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1267
1268 if test "x$support_boehm" = "xyes"; then
1269
1270         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1271         if test x$enable_parallel_mark = xyes; then
1272                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1273         fi
1274
1275         gc_msg=""
1276         LIBGC_CPPFLAGS=
1277         LIBGC_LIBS=
1278         LIBGC_STATIC_LIBS=
1279         libgc_dir=
1280         case "x$libgc" in
1281                 xincluded)
1282                         if test "x$support_boehm" = "xyes"; then
1283                                 libgc_dir=libgc
1284                         fi
1285
1286                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1287                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1288                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1289
1290                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1291
1292                         if test x$target_win32 = xyes; then
1293                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1294                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1295                         fi
1296
1297                         gc_msg="Included Boehm GC with typed GC"
1298                         if test x$enable_parallel_mark = xyes; then
1299                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1300                                 gc_msg="$gc_msg and parallel mark"
1301                         else
1302                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1303                         fi
1304                         ;;
1305
1306                 xboehm|xbohem|xyes)
1307                         AC_MSG_WARN("External Boehm is no longer supported")
1308                         ;;
1309
1310                 xsgen)
1311                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1312                         ;;
1313
1314                 xnone)
1315                         AC_MSG_WARN("Compiling mono without GC.")
1316                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1317                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1318                         gc_msg="none"
1319                         ;;
1320                 *)
1321                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1322                         ;;
1323         esac
1324
1325         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1326         if test "x$large_heap" = "xyes"; then
1327            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1328         fi
1329
1330         AC_SUBST(LIBGC_CPPFLAGS)
1331         AC_SUBST(LIBGC_LIBS)
1332         AC_SUBST(LIBGC_STATIC_LIBS)
1333         AC_SUBST(libgc_dir)
1334         AC_SUBST(BOEHM_DEFINES)
1335
1336 fi
1337
1338 dnl
1339 dnl End of Boehm GC Configuration
1340 dnl
1341
1342 dnl *************************************
1343 dnl *** Checks for zero length arrays ***
1344 dnl *************************************
1345 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1346 AC_TRY_COMPILE([
1347         struct s {
1348                 int  length;
1349                 char data [0];
1350         };
1351 ], [], [
1352         AC_MSG_RESULT(yes)
1353         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1354 ], [
1355         AC_MSG_RESULT(no)
1356         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1357 ])
1358
1359 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1360
1361 dnl ***********************************
1362 dnl *** Checks for signals
1363 dnl ***********************************
1364 AC_CHECK_HEADERS(signal.h)
1365 AC_CHECK_FUNCS(sigaction)
1366 AC_CHECK_FUNCS(kill)
1367 AC_CHECK_FUNCS(signal)
1368
1369 # signal() is declared inline in Android headers
1370 # so we need to workaround it by overriding the check.
1371 if test x$platform_android = xyes; then
1372         AC_DEFINE(HAVE_SIGNAL,1)
1373 fi
1374
1375 if test x$host_win32 = xno; then
1376
1377         dnl hires monotonic clock support
1378         AC_SEARCH_LIBS(clock_gettime, rt)
1379         AC_CHECK_FUNCS(clock_nanosleep)
1380
1381         dnl dynamic loader support
1382         AC_CHECK_FUNC(dlopen, DL_LIB="",
1383                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1384         )
1385         if test x$dl_support = xno; then
1386                 AC_MSG_WARN([No dynamic loading support available])
1387         else
1388                 LIBS="$LIBS $DL_LIB"
1389                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1390                 dnl from glib's configure.ac
1391                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1392                         mono_cv_uscore,[
1393                         AC_TRY_RUN([#include <dlfcn.h>
1394                         int mono_underscore_test (void) { return 42; }
1395                         int main() {
1396                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1397                           handle = dlopen ((void*)0, 0);
1398                           if (handle) {
1399                             f1 = dlsym (handle, "mono_underscore_test");
1400                             f2 = dlsym (handle, "_mono_underscore_test");
1401                           } return (!f2 || f1);
1402                         }],
1403                                 [mono_cv_uscore=yes],
1404                                 [mono_cv_uscore=no],
1405                         [])
1406                 ])
1407                 if test "x$mono_cv_uscore" = "xyes"; then
1408                         MONO_DL_NEED_USCORE=1
1409                 else
1410                         MONO_DL_NEED_USCORE=0
1411                 fi
1412                 AC_SUBST(MONO_DL_NEED_USCORE)
1413                 AC_CHECK_FUNC(dlerror)
1414         fi
1415
1416         dnl ******************************************************************
1417         dnl *** Checks for the IKVM JNI interface library                  ***
1418         dnl ******************************************************************
1419         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1420
1421         ikvm_native_dir=
1422         if test x$with_ikvm_native = xyes; then
1423                 ikvm_native_dir=ikvm-native
1424                 jdk_headers_found="IKVM Native"
1425         fi
1426
1427         AC_SUBST(ikvm_native_dir)
1428
1429         AC_CHECK_HEADERS(execinfo.h)
1430
1431         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1432
1433         AC_CHECK_FUNCS(getgrgid_r)
1434         AC_CHECK_FUNCS(getgrnam_r)
1435         AC_CHECK_FUNCS(getresuid)
1436         AC_CHECK_FUNCS(setresuid)
1437         AC_CHECK_FUNCS(kqueue)
1438         AC_CHECK_FUNCS(backtrace_symbols)
1439         AC_CHECK_FUNCS(mkstemp)
1440         AC_CHECK_FUNCS(mmap)
1441         AC_CHECK_FUNCS(madvise)
1442         AC_CHECK_FUNCS(getrusage)
1443         AC_CHECK_FUNCS(getpriority)
1444         AC_CHECK_FUNCS(setpriority)
1445         AC_CHECK_FUNCS(dl_iterate_phdr)
1446         AC_CHECK_FUNCS(dladdr)
1447         AC_CHECK_FUNCS(sysconf)
1448         AC_CHECK_FUNCS(getrlimit)
1449         AC_CHECK_FUNCS(prctl)
1450
1451         AC_CHECK_FUNCS(sched_getaffinity)
1452         AC_CHECK_FUNCS(sched_setaffinity)
1453         AC_CHECK_FUNCS(sched_getcpu)
1454
1455         if test x$platform_android != xyes; then
1456                 AC_CHECK_FUNCS(getpwnam_r)
1457                 AC_CHECK_FUNCS(getpwuid_r)
1458         fi
1459
1460         dnl ****************************************************************
1461         dnl *** Check for sched_setaffinity from glibc versions before   ***
1462         dnl *** 2.3.4. The older versions of the function only take 2    ***
1463         dnl *** parameters, not 3.                                       ***
1464         dnl ***                                                          ***
1465         dnl *** Because the interface change was not made in a minor     ***
1466         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1467         dnl *** won't always indicate the interface sched_affinity has.  ***
1468         dnl ****************************************************************
1469         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1470         AC_TRY_COMPILE([#include <sched.h>], [
1471             int mask = 1; 
1472             sched_setaffinity(0, &mask);
1473                         return 0;
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1478         ], [
1479                 # We have the new, three-parameter version
1480                 AC_MSG_RESULT(no)
1481         ])
1482         AC_TRY_COMPILE([#include <sched.h>], [
1483              CPU_COUNT((void *) 0);
1484         ], [
1485                 AC_MSG_RESULT(yes)
1486                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1487         ], [
1488                 # We have the new, three-parameter version
1489                 AC_MSG_RESULT(no)
1490         ])
1491
1492         dnl ******************************************************************
1493         dnl *** Check for large file support                               ***
1494         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1495         dnl ******************************************************************
1496         
1497         # Check that off_t can represent 2**63 - 1 correctly, working around
1498         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1499         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1500         large_offt=no
1501         AC_DEFUN([LARGE_FILES], [
1502                 large_CPPFLAGS=$CPPFLAGS
1503                 CPPFLAGS="$CPPFLAGS $1"
1504                 AC_TRY_COMPILE([
1505                         #include <sys/types.h>
1506                         #include <limits.h>
1507                 ], [
1508                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1509                         #define COMPILE_TIME_ASSERT(pred) \
1510                                 switch(0){case 0:case pred:;}
1511                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1512                 ], [
1513                         AC_MSG_RESULT(ok)
1514                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1515                         large_CPPFLAGS="$large_CPPFLAGS $1"
1516                         large_offt=yes
1517                 ], [
1518                         AC_MSG_RESULT(no)
1519                 ])
1520                 CPPFLAGS=$large_CPPFLAGS
1521         ])
1522
1523         AC_MSG_CHECKING(if off_t is 64 bits wide)
1524         LARGE_FILES("")
1525         if test $large_offt = no; then
1526                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1527                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1528         fi
1529         if test $large_offt = no; then
1530                 AC_MSG_WARN([No 64 bit file size support available])
1531         fi
1532         
1533         dnl *****************************
1534         dnl *** Checks for libsocket  ***
1535         dnl *****************************
1536         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1537
1538         case "$host" in
1539                 *-*-*freebsd*)
1540                         dnl *****************************
1541                         dnl *** Checks for libinotify ***
1542                         dnl *****************************
1543                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1544         esac
1545
1546         dnl *******************************
1547         dnl *** Checks for MSG_NOSIGNAL ***
1548         dnl *******************************
1549         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1550         AC_TRY_COMPILE([#include <sys/socket.h>], [
1551                 int f = MSG_NOSIGNAL;
1552         ], [
1553                 # Yes, we have it...
1554                 AC_MSG_RESULT(yes)
1555                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1556         ], [
1557                 # We'll have to use signals
1558                 AC_MSG_RESULT(no)
1559         ])
1560
1561         dnl *****************************
1562         dnl *** Checks for IPPROTO_IP ***
1563         dnl *****************************
1564         AC_MSG_CHECKING(for IPPROTO_IP)
1565         AC_TRY_COMPILE([#include <netinet/in.h>], [
1566                 int level = IPPROTO_IP;
1567         ], [
1568                 # Yes, we have it...
1569                 AC_MSG_RESULT(yes)
1570                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1571         ], [
1572                 # We'll have to use getprotobyname
1573                 AC_MSG_RESULT(no)
1574         ])
1575
1576         dnl *******************************
1577         dnl *** Checks for IPPROTO_IPV6 ***
1578         dnl *******************************
1579         AC_MSG_CHECKING(for IPPROTO_IPV6)
1580         AC_TRY_COMPILE([#include <netinet/in.h>], [
1581                 int level = IPPROTO_IPV6;
1582         ], [
1583                 # Yes, we have it...
1584                 AC_MSG_RESULT(yes)
1585                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1586         ], [
1587                 # We'll have to use getprotobyname
1588                 AC_MSG_RESULT(no)
1589         ])
1590
1591         dnl ******************************
1592         dnl *** Checks for IPPROTO_TCP ***
1593         dnl ******************************
1594         AC_MSG_CHECKING(for IPPROTO_TCP)
1595         AC_TRY_COMPILE([#include <netinet/in.h>], [
1596                 int level = IPPROTO_TCP;
1597         ], [
1598                 # Yes, we have it...
1599                 AC_MSG_RESULT(yes)
1600                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1601         ], [
1602                 # We'll have to use getprotobyname
1603                 AC_MSG_RESULT(no)
1604         ])
1605
1606         dnl *****************************
1607         dnl *** Checks for SOL_IP     ***
1608         dnl *****************************
1609         AC_MSG_CHECKING(for SOL_IP)
1610         AC_TRY_COMPILE([#include <netdb.h>], [
1611                 int level = SOL_IP;
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1616         ], [
1617                 # We'll have to use getprotobyname
1618                 AC_MSG_RESULT(no)
1619         ])
1620
1621         dnl *****************************
1622         dnl *** Checks for SOL_IPV6     ***
1623         dnl *****************************
1624         AC_MSG_CHECKING(for SOL_IPV6)
1625         AC_TRY_COMPILE([#include <netdb.h>], [
1626                 int level = SOL_IPV6;
1627         ], [
1628                 # Yes, we have it...
1629                 AC_MSG_RESULT(yes)
1630                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1631         ], [
1632                 # We'll have to use getprotobyname
1633                 AC_MSG_RESULT(no)
1634         ])
1635
1636         dnl *****************************
1637         dnl *** Checks for SOL_TCP    ***
1638         dnl *****************************
1639         AC_MSG_CHECKING(for SOL_TCP)
1640         AC_TRY_COMPILE([#include <netdb.h>], [
1641                 int level = SOL_TCP;
1642         ], [
1643                 # Yes, we have it...
1644                 AC_MSG_RESULT(yes)
1645                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1646         ], [
1647                 # We'll have to use getprotobyname
1648                 AC_MSG_RESULT(no)
1649         ])
1650
1651         dnl *****************************
1652         dnl *** Checks for IP_PKTINFO ***
1653         dnl *****************************
1654         AC_MSG_CHECKING(for IP_PKTINFO)
1655         AC_TRY_COMPILE([#include <linux/in.h>], [
1656                 int level = IP_PKTINFO;
1657         ], [
1658                 # Yes, we have it...
1659                 AC_MSG_RESULT(yes)
1660                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1661         ], [
1662                 AC_MSG_RESULT(no)
1663         ])
1664
1665         dnl *****************************
1666         dnl *** Checks for IPV6_PKTINFO ***
1667         dnl *****************************
1668         AC_MSG_CHECKING(for IPV6_PKTINFO)
1669         AC_TRY_COMPILE([#include <netdb.h>], [
1670                 int level = IPV6_PKTINFO;
1671         ], [
1672                 # Yes, we have it...
1673                 AC_MSG_RESULT(yes)
1674                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1675         ], [
1676                 AC_MSG_RESULT(no)
1677         ])
1678
1679         dnl **********************************
1680         dnl *** Checks for IP_DONTFRAG     ***
1681         dnl **********************************
1682         AC_MSG_CHECKING(for IP_DONTFRAG)
1683         AC_TRY_COMPILE([#include <netinet/in.h>], [
1684                 int level = IP_DONTFRAG;
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1689         ], [
1690                 AC_MSG_RESULT(no)
1691         ])
1692
1693         dnl **********************************
1694         dnl *** Checks for IP_DONTFRAGMENT ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1697         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1698                 int level = IP_DONTFRAGMENT;
1699         ], [
1700                 # Yes, we have it...
1701                 AC_MSG_RESULT(yes)
1702                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1703         ], [
1704                 AC_MSG_RESULT(no)
1705         ])
1706
1707         dnl **********************************
1708         dnl *** Checks for IP_MTU_DISCOVER ***
1709         dnl **********************************
1710         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1711         AC_TRY_COMPILE([#include <linux/in.h>], [
1712                 int level = IP_MTU_DISCOVER;
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl **********************************
1722         dnl *** Checks for  IP_PMTUDISC_DO ***
1723         dnl **********************************
1724         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1725         AC_TRY_COMPILE([#include <linux/in.h>], [
1726                 int level = IP_PMTUDISC_DO;
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl *********************************
1736         dnl *** Check for struct ip_mreqn ***
1737         dnl *********************************
1738         AC_MSG_CHECKING(for struct ip_mreqn)
1739         AC_TRY_COMPILE([#include <netinet/in.h>], [
1740                 struct ip_mreqn mreq;
1741                 mreq.imr_address.s_addr = 0;
1742         ], [
1743                 # Yes, we have it...
1744                 AC_MSG_RESULT(yes)
1745                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1746         ], [
1747                 # We'll just have to try and use struct ip_mreq
1748                 AC_MSG_RESULT(no)
1749                 AC_MSG_CHECKING(for struct ip_mreq)
1750                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1751                         struct ip_mreq mreq;
1752                         mreq.imr_interface.s_addr = 0;
1753                 ], [
1754                         # Yes, we have it...
1755                         AC_MSG_RESULT(yes)
1756                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1757                 ], [
1758                         # No multicast support
1759                         AC_MSG_RESULT(no)
1760                 ])
1761         ])
1762         
1763         dnl **********************************
1764         dnl *** Check for getaddrinfo ***
1765         dnl **********************************
1766         AC_MSG_CHECKING(for getaddrinfo)
1767                 AC_TRY_LINK([
1768                 #include <stdio.h>
1769                 #include <netdb.h>
1770         ], [
1771                 getaddrinfo(NULL,NULL,NULL,NULL);
1772         ], [
1773                 # Yes, we have it...
1774                 AC_MSG_RESULT(yes)
1775                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1776         ], [
1777                 AC_MSG_RESULT(no)
1778         ])
1779
1780         dnl **********************************
1781         dnl *** Check for gethostbyname2_r ***
1782         dnl **********************************
1783         AC_MSG_CHECKING(for gethostbyname2_r)
1784                 AC_TRY_LINK([
1785                 #include <stdio.h>
1786                 #include <netdb.h>
1787         ], [
1788
1789                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1790         ], [
1791                 # Yes, we have it...
1792                 AC_MSG_RESULT(yes)
1793                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1794         ], [
1795                 AC_MSG_RESULT(no)
1796         ])
1797
1798         dnl **********************************
1799         dnl *** Check for gethostbyname2 ***
1800         dnl **********************************
1801         AC_MSG_CHECKING(for gethostbyname2)
1802                 AC_TRY_LINK([
1803                 #include <stdio.h>
1804                 #include <netdb.h>
1805         ], [
1806                 gethostbyname2(NULL,0);
1807         ], [
1808                 # Yes, we have it...
1809                 AC_MSG_RESULT(yes)
1810                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1811         ], [
1812                 AC_MSG_RESULT(no)
1813         ])
1814
1815         dnl **********************************
1816         dnl *** Check for gethostbyname ***
1817         dnl **********************************
1818         AC_MSG_CHECKING(for gethostbyname)
1819                 AC_TRY_LINK([
1820                 #include <stdio.h>
1821                 #include <netdb.h>
1822         ], [
1823                 gethostbyname(NULL);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831
1832         dnl **********************************
1833         dnl *** Check for getprotobyname ***
1834         dnl **********************************
1835         AC_MSG_CHECKING(for getprotobyname)
1836                 AC_TRY_LINK([
1837                 #include <stdio.h>
1838                 #include <netdb.h>
1839         ], [
1840                 getprotobyname(NULL);
1841         ], [
1842                 # Yes, we have it...
1843                 AC_MSG_RESULT(yes)
1844                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1845         ], [
1846                 AC_MSG_RESULT(no)
1847         ])
1848
1849         dnl **********************************
1850         dnl *** Check for getnameinfo ***
1851         dnl **********************************
1852         AC_MSG_CHECKING(for getnameinfo)
1853                 AC_TRY_LINK([
1854                 #include <stdio.h>
1855                 #include <netdb.h>
1856         ], [
1857                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1858         ], [
1859                 # Yes, we have it...
1860                 AC_MSG_RESULT(yes)
1861                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1862         ], [
1863                 AC_MSG_RESULT(no)
1864         ])
1865
1866
1867         dnl **********************************
1868         dnl *** Check for inet_ntop ***
1869         dnl **********************************
1870         AC_MSG_CHECKING(for inet_ntop)
1871                 AC_TRY_LINK([
1872                 #include <stdio.h>
1873                 #include <arpa/inet.h>
1874         ], [
1875                 inet_ntop (0, NULL, NULL, 0);
1876         ], [
1877                 # Yes, we have it...
1878                 AC_MSG_RESULT(yes)
1879                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1880         ], [
1881                 AC_MSG_RESULT(no)
1882         ])
1883
1884         dnl *****************************
1885         dnl *** Checks for libnsl     ***
1886         dnl *****************************
1887         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1888
1889         AC_CHECK_FUNCS(inet_pton inet_aton)
1890
1891         dnl *****************************
1892         dnl *** Checks for libxnet    ***
1893         dnl *****************************
1894         case "${host}" in
1895                 *solaris* )
1896                         AC_MSG_CHECKING(for Solaris XPG4 support)
1897                         if test -f /usr/lib/libxnet.so; then
1898                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1899                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1900                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1901                                 LIBS="$LIBS -lxnet"
1902                                 AC_MSG_RESULT(yes)
1903                         else
1904                                 AC_MSG_RESULT(no)
1905                         fi
1906
1907                         if test "$GCC" = "yes"; then
1908                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1909                         fi
1910                 ;;
1911         esac
1912
1913         dnl *****************************
1914         dnl *** Checks for libpthread ***
1915         dnl *****************************
1916 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1917 # and libpthread does not exist
1918 #
1919         case "${host}" in
1920                 *-*-*haiku*)
1921                         dnl Haiku has pthread in libroot (libc equiv)
1922                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1923                 ;;
1924                 *-*-*freebsd*)
1925                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1926                 ;;
1927                 *-*-*openbsd*)
1928                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1929                 ;;
1930                 *)
1931                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1932                 ;;
1933         esac
1934         AC_CHECK_HEADERS(pthread.h)
1935         AC_CHECK_HEADERS(pthread_np.h)
1936         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1937         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1938         AC_CHECK_FUNCS(pthread_kill)
1939         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1940         AC_TRY_COMPILE([ #include <pthread.h>], [
1941                 pthread_mutexattr_t attr;
1942                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1943         ], [
1944                 AC_MSG_RESULT(ok)
1945         ], [
1946                 AC_MSG_RESULT(no)
1947                 AC_ERROR(Posix system lacks support for recursive mutexes)
1948         ])
1949         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1950         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1951         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1952
1953         dnl **********************************
1954         dnl *** Check for mincore ***
1955         dnl **********************************
1956         AC_MSG_CHECKING(for mincore)
1957                 AC_TRY_LINK([
1958                 #include <stdio.h>
1959                 #include <sys/types.h>
1960                 #include <sys/mman.h>
1961         ], [
1962                 mincore(NULL, 0, NULL);
1963         ], [
1964                 # Yes, we have it...
1965                 AC_MSG_RESULT(yes)
1966                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1967         ], [
1968                 AC_MSG_RESULT(no)
1969         ])
1970
1971         dnl ***********************************
1972         dnl *** Checks for working __thread ***
1973         dnl ***********************************
1974         AC_MSG_CHECKING(for working __thread)
1975         if test "x$with_tls" != "x__thread"; then
1976                 AC_MSG_RESULT(disabled)
1977         elif test "x$cross_compiling" = "xyes"; then
1978                 AC_MSG_RESULT(cross compiling, assuming yes)
1979         else
1980                 AC_TRY_RUN([
1981                         #if defined(__APPLE__) && defined(__clang__)
1982                         #error "__thread does not currently work with clang on Mac OS X"
1983                         #endif
1984                         
1985                         #include <pthread.h>
1986                         __thread int i;
1987                         static int res1, res2;
1988
1989                         void thread_main (void *arg)
1990                         {
1991                                 i = arg;
1992                                 sleep (1);
1993                                 if (arg == 1)
1994                                         res1 = (i == arg);
1995                                 else
1996                                         res2 = (i == arg);
1997                         }
1998
1999                         int main () {
2000                                 pthread_t t1, t2;
2001
2002                                 i = 5;
2003
2004                                 pthread_create (&t1, NULL, thread_main, 1);
2005                                 pthread_create (&t2, NULL, thread_main, 2);
2006
2007                                 pthread_join (t1, NULL);
2008                                 pthread_join (t2, NULL);
2009
2010                                 return !(res1 + res2 == 2);
2011                         }
2012                 ], [
2013                                 AC_MSG_RESULT(yes)
2014                 ], [
2015                                 AC_MSG_RESULT(no)
2016                                 with_tls=pthread
2017                 ])
2018         fi
2019
2020         dnl **************************************
2021         dnl *** Checks for working sigaltstack ***
2022         dnl **************************************
2023         AC_MSG_CHECKING(for working sigaltstack)
2024         if test "x$with_sigaltstack" != "xyes"; then
2025                 AC_MSG_RESULT(disabled)
2026         elif test "x$cross_compiling" = "xyes"; then
2027                 AC_MSG_RESULT(cross compiling, assuming yes)
2028         else
2029                 AC_TRY_RUN([
2030                         #include <stdio.h>
2031                         #include <stdlib.h>
2032                         #include <unistd.h>
2033                         #include <signal.h>
2034                         #include <pthread.h>
2035                         #include <sys/wait.h>
2036                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2037                         #define SA_STACK SA_ONSTACK
2038                         #endif
2039                         static void
2040                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2041                         {
2042                                 exit (0);
2043                         }
2044
2045                         volatile char*__ptr = NULL;
2046                         static void *
2047                         loop (void *ignored)
2048                         {
2049                                 *__ptr = 0;
2050                                 return NULL;
2051                         }
2052
2053                         static void
2054                         child ()
2055                         {
2056                                 struct sigaction sa;
2057                         #ifdef __APPLE__
2058                                 stack_t sas;
2059                         #else
2060                                 struct sigaltstack sas;
2061                         #endif
2062                                 pthread_t id;
2063                                 pthread_attr_t attr;
2064
2065                                 sa.sa_sigaction = sigsegv_signal_handler;
2066                                 sigemptyset (&sa.sa_mask);
2067                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2068                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2069                                         perror ("sigaction");
2070                                         return;
2071                                 }
2072
2073                                 /* x86 darwin deliver segfaults using SIGBUS */
2074                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2075                                         perror ("sigaction");
2076                                         return;
2077                                 }
2078                                 sas.ss_sp = malloc (SIGSTKSZ);
2079                                 sas.ss_size = SIGSTKSZ;
2080                                 sas.ss_flags = 0;
2081                                 if (sigaltstack (&sas, NULL) == -1) {
2082                                         perror ("sigaltstack");
2083                                         return;
2084                                 }
2085
2086                                 pthread_attr_init (&attr);
2087                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2088                                         printf ("pthread_create\n");
2089                                         return;
2090                                 }
2091
2092                                 sleep (100);
2093                         }
2094
2095                         int
2096                         main ()
2097                         {
2098                                 pid_t son;
2099                                 int status;
2100                                 int i;
2101
2102                                 son = fork ();
2103                                 if (son == -1) {
2104                                         return 1;
2105                                 }
2106
2107                                 if (son == 0) {
2108                                         child ();
2109                                         return 0;
2110                                 }
2111
2112                                 for (i = 0; i < 300; ++i) {
2113                                         waitpid (son, &status, WNOHANG);
2114                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2115                                                 return 0;
2116                                         usleep (10000);
2117                                 }
2118
2119                                 kill (son, SIGKILL);
2120                                 return 1;
2121                         }
2122
2123                 ], [
2124                                 AC_MSG_RESULT(yes)
2125                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2126                 ], [
2127                                 with_sigaltstack=no
2128                                 AC_MSG_RESULT(no)
2129                 ])
2130         fi
2131
2132         dnl ********************************
2133         dnl *** Checks for semaphore lib ***
2134         dnl ********************************
2135         # 'Real Time' functions on Solaris
2136         # posix4 on Solaris 2.6
2137         # pthread (first!) on Linux
2138         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2139
2140         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2141         AC_CHECK_FUNCS(shm_open)
2142
2143         dnl ********************************
2144         dnl *** Checks for timezone stuff **
2145         dnl ********************************
2146         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2147                 AC_TRY_COMPILE([
2148                         #include <time.h>
2149                         ], [
2150                         struct tm tm;
2151                         tm.tm_gmtoff = 1;
2152                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2153         if test $ac_cv_struct_tm_gmtoff = yes; then
2154                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2155         else
2156                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2157                         AC_TRY_COMPILE([
2158                                 #include <time.h>
2159                         ], [
2160                                 timezone = 1;
2161                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2162                 if test $ac_cv_var_timezone = yes; then
2163                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2164                 else
2165                         AC_ERROR(unable to find a way to determine timezone)
2166                 fi
2167         fi
2168
2169         dnl *********************************
2170         dnl *** Checks for math functions ***
2171         dnl *********************************
2172         AC_SEARCH_LIBS(sqrtf, m)
2173         if test "x$has_broken_apple_cpp" != "xyes"; then
2174                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2175                         AC_TRY_LINK([#include <math.h>], 
2176                         [ finite(0.0); ], 
2177                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2178                         AC_MSG_RESULT(no)))
2179         fi
2180         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2181                 AC_TRY_LINK([#include <math.h>], 
2182                 [ isfinite(0.0); ], 
2183                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2184                 AC_MSG_RESULT(no)))
2185
2186         dnl ****************************************************************
2187         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2188         dnl *** have it in the library (duh))                            ***
2189         dnl ****************************************************************
2190         AC_CHECK_FUNCS(poll)
2191
2192         dnl *************************
2193         dnl *** Check for signbit ***
2194         dnl *************************
2195         AC_MSG_CHECKING(for signbit)
2196         AC_TRY_LINK([#include <math.h>], [
2197                 int s = signbit(1.0);
2198         ], [
2199                 AC_MSG_RESULT(yes)
2200                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2201         ], [
2202                 AC_MSG_RESULT(no)
2203         ]) 
2204
2205         dnl **********************************
2206         dnl *** epoll                      ***
2207         dnl **********************************
2208         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2209                 AC_CHECK_HEADERS(sys/epoll.h)
2210                 haveepoll=no
2211                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2212                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2213                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2214                 fi
2215         fi
2216
2217         havekqueue=no
2218
2219         AC_CHECK_HEADERS(sys/event.h)
2220         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2221
2222         dnl **************************************
2223         dnl * Darwin has a race that prevents us from using reliably:
2224         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2225         dnl * Since kqueue is mostly used for scaling large web servers, 
2226         dnl * and very few folks run Mono on large web servers on OSX, falling
2227         dnl * back 
2228         dnl **************************************
2229         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2230                 if test "x$host_darwin" = "xno"; then
2231                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2232                 fi
2233         fi
2234
2235         dnl ******************************
2236         dnl *** Checks for SIOCGIFCONF ***
2237         dnl ******************************
2238         AC_CHECK_HEADERS(sys/ioctl.h)
2239         AC_CHECK_HEADERS(net/if.h, [], [],
2240            [
2241            #ifdef HAVE_SYS_TYPES_H
2242            # include <sys/types.h>
2243            #endif
2244            #ifdef HAVE_SYS_SOCKET_H
2245            # include <sys/socket.h>
2246            #endif
2247            ])
2248         AC_MSG_CHECKING(for ifreq)
2249         AC_TRY_COMPILE([
2250                 #include <stdio.h>
2251                 #include <sys/ioctl.h>
2252                 #include <net/if.h>
2253                 ], [
2254                 struct ifconf ifc;
2255                 struct ifreq *ifr;
2256                 void *x;
2257                 ifc.ifc_len = 0;
2258                 ifc.ifc_buf = NULL;
2259                 x = (void *) &ifr->ifr_addr;
2260                 ],[
2261                         AC_MSG_RESULT(yes)
2262                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2263                 ], [
2264                         AC_MSG_RESULT(no)
2265                 ])
2266         dnl **********************************
2267         dnl ***     Checks for sin_len     ***
2268         dnl **********************************
2269         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2270         AC_TRY_COMPILE([
2271                 #include <netinet/in.h>
2272                 ], [
2273                 struct sockaddr_in saddr;
2274                 saddr.sin_len = sizeof (saddr);
2275                 ],[
2276                         AC_MSG_RESULT(yes)
2277                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2278                 ], [
2279                         AC_MSG_RESULT(no)
2280                 ])      
2281         dnl **********************************
2282         dnl ***    Checks for sin6_len     ***
2283         dnl **********************************
2284         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2285         AC_TRY_COMPILE([
2286                 #include <netinet/in.h>
2287                 ], [
2288                 struct sockaddr_in6 saddr6;
2289                 saddr6.sin6_len = sizeof (saddr6);
2290                 ],[
2291                         AC_MSG_RESULT(yes)
2292                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2293                 ], [
2294                         AC_MSG_RESULT(no)
2295                 ])
2296         dnl **********************************
2297         dnl *** Check for getifaddrs       ***
2298         dnl **********************************
2299         AC_MSG_CHECKING(for getifaddrs)
2300                 AC_TRY_LINK([
2301                 #include <stdio.h>
2302                 #include <sys/types.h>
2303                 #include <sys/socket.h>
2304                 #include <ifaddrs.h>
2305         ], [
2306                 getifaddrs(NULL);
2307         ], [
2308                 # Yes, we have it...
2309                 AC_MSG_RESULT(yes)
2310                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2311         ], [
2312                 AC_MSG_RESULT(no)
2313         ])
2314         dnl **********************************
2315         dnl *** Check for if_nametoindex   ***
2316         dnl **********************************
2317         AC_MSG_CHECKING(for if_nametoindex)
2318                 AC_TRY_LINK([
2319                 #include <stdio.h>
2320                 #include <sys/types.h>
2321                 #include <sys/socket.h>
2322                 #include <net/if.h>
2323         ], [
2324                 if_nametoindex(NULL);
2325         ], [
2326                 # Yes, we have it...
2327                 AC_MSG_RESULT(yes)
2328                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2329         ], [
2330                 AC_MSG_RESULT(no)
2331         ])
2332                         
2333         dnl **********************************
2334         dnl *** Checks for proclib         ***
2335         dnl **********************************
2336         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.)])
2337         dnl **********************************
2338         dnl *** Checks for MonoPosixHelper ***
2339         dnl **********************************
2340         AC_CHECK_HEADERS(checklist.h)
2341         AC_CHECK_HEADERS(pathconf.h)
2342         AC_CHECK_HEADERS(fstab.h)
2343         AC_CHECK_HEADERS(attr/xattr.h)
2344         AC_CHECK_HEADERS(sys/extattr.h)
2345         AC_CHECK_HEADERS(sys/sendfile.h)
2346         AC_CHECK_HEADERS(sys/statvfs.h)
2347         AC_CHECK_HEADERS(sys/statfs.h)
2348         AC_CHECK_HEADERS(sys/vfstab.h)
2349         AC_CHECK_HEADERS(sys/xattr.h)
2350         AC_CHECK_HEADERS(sys/mman.h)
2351         AC_CHECK_HEADERS(sys/param.h)
2352         AC_CHECK_HEADERS(sys/mount.h, [], [],
2353                 [
2354                 #ifdef HAVE_SYS_PARAM_H
2355                 # include <sys/param.h>
2356                 #endif
2357                 ])
2358         AC_CHECK_HEADERS(sys/mount.h)
2359         AC_CHECK_FUNCS(confstr)
2360         AC_CHECK_FUNCS(seekdir telldir)
2361         AC_CHECK_FUNCS(getdomainname)
2362         AC_CHECK_FUNCS(setdomainname)
2363         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2364         AC_CHECK_FUNCS(setgroups)
2365         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2366         AC_CHECK_FUNCS(getfsstat)
2367         AC_CHECK_FUNCS(lutimes futimes)
2368         AC_CHECK_FUNCS(mremap)
2369         AC_CHECK_FUNCS(remap_file_pages)
2370         AC_CHECK_FUNCS(posix_fadvise)
2371         AC_CHECK_FUNCS(posix_fallocate)
2372         AC_CHECK_FUNCS(posix_madvise)
2373         AC_CHECK_FUNCS(vsnprintf)
2374         AC_CHECK_FUNCS(sendfile)
2375         AC_CHECK_FUNCS(gethostid sethostid)
2376         AC_CHECK_FUNCS(sethostname)
2377         AC_CHECK_FUNCS(statfs)
2378         AC_CHECK_FUNCS(fstatfs)
2379         AC_CHECK_FUNCS(statvfs)
2380         AC_CHECK_FUNCS(fstatvfs)
2381         AC_CHECK_FUNCS(stime)
2382         AC_CHECK_FUNCS(strerror_r)
2383         AC_CHECK_FUNCS(ttyname_r)
2384         AC_CHECK_FUNCS(psignal)
2385         AC_CHECK_FUNCS(getlogin_r)
2386         AC_CHECK_FUNCS(lockf)
2387         AC_CHECK_FUNCS(swab)
2388         AC_CHECK_FUNCS(setusershell endusershell)
2389         AC_CHECK_FUNCS(futimens utimensat)
2390         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2391         AC_CHECK_FUNCS(readv writev preadv pwritev)
2392         AC_CHECK_FUNCS(setpgid)
2393         AC_CHECK_FUNCS(system)
2394         AC_CHECK_FUNCS(fork execv execve)
2395         AC_CHECK_FUNCS(accept4)
2396         AC_CHECK_SIZEOF(size_t)
2397         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2398                 [#include <sys/types.h>
2399                  #include <sys/stat.h>
2400                  #include <unistd.h>])
2401         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2402                 [#include <sys/types.h>
2403                  #include <sys/stat.h>
2404                  #include <unistd.h>])
2405         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2406                 [#include <sys/time.h>])
2407         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2408                 [#include <sys/socket.h>])
2409         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2410                 [#include <unistd.h>
2411                  #include <fcntl.h>])
2412         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2413                 [#include <sys/uio.h>])
2414         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2415                 [#include <sys/socket.h>])
2416         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2417                 [#include <sys/poll.h>])
2418         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2419                 [#include <sys/socket.h>])
2420         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2421                 [#include <sys/socket.h>])
2422         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2423                 [#include <netinet/in.h>])
2424         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2425                 [#include <netinet/in.h>])
2426         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2427                 [#include <sys/un.h>])
2428         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2429                 [#include <sys/types.h>
2430                  #include <sys/stat.h>
2431                  #include <unistd.h>])
2432         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2433                 [#include <time.h>])
2434         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2435                 [#include <sys/time.h>
2436                  #include <sys/types.h>
2437                  #include <utime.h>])
2438         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2439                 [#include <sys/time.h>])
2440         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2441                 [#include <sys/types.h>
2442                  #include <utime.h>])
2443         AC_CHECK_MEMBERS(
2444                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2445                 [#include <sys/types.h>
2446                  #include <dirent.h>])
2447         AC_CHECK_MEMBERS(
2448                 [struct passwd.pw_gecos],,, 
2449                 [#include <sys/types.h>
2450                  #include <pwd.h>])
2451         AC_CHECK_MEMBERS(
2452                 [struct statfs.f_flags],,, 
2453                 [#include <sys/types.h>
2454                  #include <sys/vfs.h>])
2455         AC_CHECK_MEMBERS(
2456                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2457                 [#include <sys/types.h>
2458                  #include <sys/stat.h>
2459                  #include <unistd.h>])
2460
2461         dnl Favour xattr through glibc, but use libattr if we have to
2462         AC_CHECK_FUNC(lsetxattr, ,
2463                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2464         )
2465         AC_SUBST(XATTR_LIB)
2466
2467         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2468         AC_CHECK_MEMBERS(
2469                 [struct kinfo_proc.kp_proc],,, 
2470                 [#include <sys/types.h>
2471                  #include <sys/param.h>
2472                  #include <sys/sysctl.h>
2473                  #include <sys/proc.h>
2474                  ])
2475
2476         dnl *********************************
2477         dnl *** Checks for Windows compilation ***
2478         dnl *********************************
2479         AC_CHECK_HEADERS(sys/time.h)
2480         AC_CHECK_HEADERS(sys/param.h)
2481         AC_CHECK_HEADERS(dirent.h)
2482
2483         dnl ******************************************
2484         dnl *** Checks for OSX and iOS compilation ***
2485         dnl ******************************************
2486         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2487
2488         dnl *********************************
2489         dnl *** Check for Console 2.0 I/O ***
2490         dnl *********************************
2491         AC_CHECK_HEADERS([curses.h])
2492         AC_CHECK_HEADERS([term.h], [], [],
2493         [#if HAVE_CURSES_H
2494          #include <curses.h>
2495          #endif
2496         ])
2497         AC_CHECK_HEADERS([termios.h])
2498 else
2499         dnl *********************************
2500         dnl *** Checks for Windows compilation ***
2501         dnl *********************************
2502         AC_CHECK_HEADERS(winternl.h)
2503
2504         jdk_headers_found=no
2505         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2506         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2507         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2508         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2509         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2510         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2511         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2512
2513         dnl *********************************
2514         dnl *** Check for struct ip_mreqn ***
2515         dnl *********************************
2516         AC_MSG_CHECKING(for struct ip_mreqn)
2517         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2518                 struct ip_mreqn mreq;
2519                 mreq.imr_address.s_addr = 0;
2520         ], [
2521                 # Yes, we have it...
2522                 AC_MSG_RESULT(yes)
2523                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2524         ], [
2525                 # We'll just have to try and use struct ip_mreq
2526                 AC_MSG_RESULT(no)
2527                 AC_MSG_CHECKING(for struct ip_mreq)
2528                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2529                         struct ip_mreq mreq;
2530                         mreq.imr_interface.s_addr = 0;
2531                 ], [
2532                         # Yes, we have it...
2533                         AC_MSG_RESULT(yes)
2534                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2535                 ], [
2536                         # No multicast support
2537                         AC_MSG_RESULT(no)
2538                 ])
2539         ])
2540
2541         dnl **********************************
2542         dnl *** Check for getaddrinfo ***
2543         dnl **********************************
2544         AC_MSG_CHECKING(for getaddrinfo)
2545                 AC_TRY_LINK([
2546                 #include <stdio.h>
2547                 #include <winsock2.h>
2548                 #include <ws2tcpip.h>
2549         ], [
2550                 getaddrinfo(NULL,NULL,NULL,NULL);
2551         ], [
2552                 # Yes, we have it...
2553                 AC_MSG_RESULT(yes)
2554                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2555         ], [
2556                 AC_MSG_RESULT(no)
2557         ])
2558
2559         dnl **********************************
2560         dnl *** Check for gethostbyname ***
2561         dnl **********************************
2562         AC_MSG_CHECKING(for gethostbyname)
2563                 AC_TRY_LINK([
2564                 #include <stdio.h>
2565                 #include <winsock2.h>
2566                 #include <ws2tcpip.h>
2567         ], [
2568                 gethostbyname(NULL);
2569         ], [
2570                 # Yes, we have it...
2571                 AC_MSG_RESULT(yes)
2572                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2573         ], [
2574                 AC_MSG_RESULT(no)
2575         ])
2576
2577         dnl **********************************
2578         dnl *** Check for getprotobyname ***
2579         dnl **********************************
2580         AC_MSG_CHECKING(for getprotobyname)
2581                 AC_TRY_LINK([
2582                 #include <stdio.h>
2583                 #include <winsock2.h>
2584                 #include <ws2tcpip.h>
2585         ], [
2586                 getprotobyname(NULL);
2587         ], [
2588                 # Yes, we have it...
2589                 AC_MSG_RESULT(yes)
2590                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2591         ], [
2592                 AC_MSG_RESULT(no)
2593         ])
2594
2595         dnl **********************************
2596         dnl *** Check for getnameinfo ***
2597         dnl **********************************
2598         AC_MSG_CHECKING(for getnameinfo)
2599                 AC_TRY_LINK([
2600                 #include <stdio.h>
2601                 #include <winsock2.h>
2602                 #include <ws2tcpip.h>
2603         ], [
2604                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2605         ], [
2606                 # Yes, we have it...
2607                 AC_MSG_RESULT(yes)
2608                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2609         ], [
2610                 AC_MSG_RESULT(no)
2611         ])
2612
2613         dnl **********************************
2614         dnl *** Check for inet_ntop ***
2615         dnl **********************************
2616         AC_MSG_CHECKING(for inet_ntop)
2617                 AC_TRY_LINK([
2618                 #include <stdio.h>
2619                 #include <winsock2.h>
2620                 #include <ws2tcpip.h>
2621         ], [
2622                 inet_ntop (0, NULL, NULL, 0);
2623         ], [
2624                 # Yes, we have it...
2625                 AC_MSG_RESULT(yes)
2626                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2627         ], [
2628                 AC_MSG_RESULT(no)
2629         ])
2630
2631         dnl **********************************
2632         dnl *** Check for inet_pton ***
2633         dnl **********************************
2634         AC_MSG_CHECKING(for inet_pton)
2635                 AC_TRY_LINK([
2636                 #include <stdio.h>
2637                 #include <winsock2.h>
2638                 #include <ws2tcpip.h>
2639         ], [
2640                 #ifndef inet_pton
2641                 (void) inet_pton;
2642                 #endif
2643                 inet_pton (0, NULL, NULL);
2644         ], [
2645                 # Yes, we have it...
2646                 AC_MSG_RESULT(yes)
2647                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2648         ], [
2649                 AC_MSG_RESULT(no)
2650         ])
2651
2652         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2653         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2654         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2655         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2656         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2657         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2658         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2659 fi
2660
2661 dnl socklen_t check
2662 AC_MSG_CHECKING(for socklen_t)
2663 AC_TRY_COMPILE([
2664 #include <sys/types.h>
2665 #include <sys/socket.h>
2666 ],[
2667   socklen_t foo;
2668 ],[
2669 ac_cv_c_socklen_t=yes
2670         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2671         AC_MSG_RESULT(yes)
2672 ],[
2673         AC_MSG_RESULT(no)
2674 ])
2675
2676 AC_MSG_CHECKING(for array element initializer support)
2677 AC_TRY_COMPILE([#include <sys/socket.h>], [
2678         const int array[] = {[1] = 2,};
2679 ], [
2680         # Yes, we have it...
2681         AC_MSG_RESULT(yes)
2682         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2683 ], [
2684         # We'll have to use signals
2685         AC_MSG_RESULT(no)
2686 ])
2687
2688 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2689         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2690         AC_TRY_LINK([#include <math.h>], 
2691         [ static void *p = &trunc; ],
2692         [
2693                 AC_DEFINE(HAVE_TRUNC) 
2694                 AC_MSG_RESULT(yes)
2695                 ac_cv_trunc=yes
2696         ],
2697         AC_MSG_RESULT(no)))
2698
2699 if test "x$ac_cv_truncl" != "xyes"; then
2700    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2701 fi
2702
2703 AC_CHECK_FUNCS(execvp)
2704
2705 dnl ****************************
2706 dnl *** Look for /dev/random ***
2707 dnl ****************************
2708
2709 AC_MSG_CHECKING([if usage of random device is requested])
2710 AC_ARG_ENABLE(dev-random,
2711 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2712 try_dev_random=$enableval, try_dev_random=yes)
2713
2714 AC_MSG_RESULT($try_dev_random)
2715
2716 case "{$build}" in
2717     *-openbsd*)
2718     NAME_DEV_RANDOM="/dev/srandom"
2719     ;;
2720
2721 dnl Win32 does not have /dev/random, they have their own method...
2722
2723     *-mingw*|*-*-cygwin*)
2724     ac_cv_have_dev_random=no
2725     ;;
2726
2727 dnl Everywhere else, it's /dev/random
2728
2729     *)
2730     NAME_DEV_RANDOM="/dev/random"
2731     ;;
2732 esac
2733
2734 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2735
2736 dnl Now check if the device actually exists
2737
2738 if test "x$try_dev_random" = "xyes"; then
2739     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2740     [if test -r "$NAME_DEV_RANDOM" ; then
2741         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2742     if test "x$ac_cv_have_dev_random" = "xyes"; then
2743         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2744     fi
2745 else
2746     AC_MSG_CHECKING(for random device)
2747     ac_cv_have_dev_random=no
2748     AC_MSG_RESULT(has been disabled)
2749 fi
2750
2751 if test "x$host_win32" = "xyes"; then
2752     AC_DEFINE(HAVE_CRYPT_RNG)
2753 fi
2754
2755 if test "x$ac_cv_have_dev_random" = "xno" \
2756     && test "x$host_win32" = "xno"; then
2757     AC_MSG_WARN([[
2758 ***
2759 *** A system-provided entropy source was not found on this system.
2760 *** Because of this, the System.Security.Cryptography random number generator
2761 *** will throw a NotImplemented exception.
2762 ***
2763 *** If you are seeing this message, and you know your system DOES have an
2764 *** entropy collection in place, please contact <crichton@gimp.org> and
2765 *** provide information about the system and how to access the random device.
2766 ***
2767 *** Otherwise you can install either egd or prngd and set the environment
2768 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2769 ***]])
2770 fi
2771
2772 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2773
2774 AC_MSG_CHECKING([if big-arrays are to be enabled])
2775 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2776 if test "x$enable_big_arrays" = "xyes" ; then
2777     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2778         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2779     else
2780         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2781     fi
2782 fi
2783 AC_MSG_RESULT($enable_big_arrays)
2784
2785 dnl **************
2786 dnl *** DTRACE ***
2787 dnl **************
2788
2789 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2790
2791 if test "x$enable_dtrace" = "xyes"; then
2792    if test "x$has_dtrace" = "xno"; then
2793           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2794    fi
2795    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2796    if test "x$DTRACE" = "xno"; then
2797           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2798           enable_dtrace=no
2799    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2800           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2801           enable_dtrace=no
2802    fi
2803 fi
2804
2805 dtrace_g=no
2806 if test "x$enable_dtrace" = "xyes"; then
2807         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2808         DTRACEFLAGS=
2809         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2810                 case "$host" in
2811                         powerpc-*-darwin*)
2812                         DTRACEFLAGS="-arch ppc64"
2813                         ;;
2814                         i*86-*-darwin*)
2815                         DTRACEFLAGS="-arch x86_64"
2816                         ;;
2817                         *)
2818                         DTRACEFLAGS=-64
2819                         ;;
2820                 esac
2821         else
2822                 case "$host" in
2823                         powerpc-*-darwin*)
2824                         DTRACEFLAGS="-arch ppc"
2825                         ;;
2826                         i*86-*-darwin*)
2827                         DTRACEFLAGS="-arch i386"
2828                         ;;
2829                         *)
2830                         DTRACEFLAGS=-32
2831                         ;;
2832                 esac
2833         fi
2834         AC_SUBST(DTRACEFLAGS)
2835         case "$host" in
2836                 *-*-solaris*)
2837                 dtrace_g=yes
2838                 ;;
2839         esac
2840         AC_CHECK_HEADERS([sys/sdt.h])
2841 fi
2842 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2843 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2844
2845 dnl **************
2846 dnl ***  NaCl  ***
2847 dnl **************
2848
2849 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2850 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2851
2852 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2853
2854 dnl
2855 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2856 dnl
2857 nacl_self_host=""
2858 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2859    nacl_self_host="nacl_self_host"
2860 fi
2861 AC_SUBST(nacl_self_host)
2862
2863 if test "x$enable_nacl_codegen" = "xyes"; then
2864    MONO_NACL_ALIGN_MASK_OFF=1
2865    AC_DEFINE(TARGET_NACL, 1, [...])
2866    AC_DEFINE(__native_client_codegen__, 1, [...])
2867 fi
2868 if test "x$enable_nacl_gc" = "xyes"; then
2869    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2870       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2871    else
2872       # Not yet implemented
2873       INSTRUMENT_CFLAG=""
2874    fi
2875    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2876 fi
2877 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2878
2879 dnl **************************
2880 dnl *** AOT cross offsets  ***
2881 dnl **************************
2882
2883 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2884     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2885
2886 dnl **************
2887 dnl ***  LLVM  ***
2888 dnl **************
2889
2890 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2891 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2892 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2893 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2894
2895 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2896
2897 if test "x$enable_llvm" = "xdefault"; then
2898    enable_llvm=$enable_llvm_default
2899 fi
2900
2901 if test "x$enable_llvm" = "xyes"; then
2902    if test "x$with_llvm" != "x"; then
2903           LLVM_CONFIG=$with_llvm/bin/llvm-config
2904           if test x$host_win32 = xyes; then
2905                 LLVM_CONFIG=$LLVM_CONFIG.exe
2906           fi
2907           if test ! -x $LLVM_CONFIG; then
2908                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2909       fi
2910    else
2911       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2912       if test "x$LLVM_CONFIG" = "xno"; then
2913              AC_MSG_ERROR([llvm-config not found.])
2914       fi
2915    fi
2916
2917    llvm_codegen="x86codegen"
2918    case "$target" in
2919    arm*)
2920                 llvm_codegen="armcodegen"
2921                 ;;
2922    esac
2923
2924    if test "x$host_win32" = "xno"; then
2925
2926    # Should be something like '2.6' or '2.7svn'
2927    llvm_version=`$LLVM_CONFIG --version`
2928    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2929    AC_MSG_CHECKING(LLVM version)
2930    AC_MSG_RESULT($llvm_version $llvm_api_version)
2931    if echo $llvm_version | grep -q 'mono'; then
2932           if test "x$enable_llvm_version_check" = "xyes"; then
2933                  if test "$llvm_version" != "$expected_llvm_version"; then
2934                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2935                  fi
2936           fi
2937    else
2938           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.])
2939    fi
2940
2941    # The output of --cflags seems to include optimizations flags too
2942    if test $llvm_api_version -gt 100; then
2943           # The --cflags argument includes all kinds of warnings -pendantic etc.
2944           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2945           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2946    else
2947           LLVM_CFLAGS=`$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'`
2948       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2949    fi
2950    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2951    # from LLVM classes.
2952    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2953    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2954    # This might include empty lines
2955    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2956    llvm_jit_supported=yes
2957    llvm_jit_libs="jit mcjit $llvm_codegen"
2958    if test "x$host" != "x$target"; then
2959       # No need for jit libs
2960           llvm_jit_supported=no
2961       llvm_jit_libs=""
2962    elif test $llvm_api_version -gt 100; then
2963       llvm_jit_libs="orcjit $llvm_codegen"
2964    fi
2965    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2966    if test "x$LLVM_LIBS" = "x"; then
2967           echo "$LLVM_CONFIG --libs failed."
2968           exit 1
2969    fi
2970    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2971    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2972    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2973       LLVM_LIBS="$LLVM_LIBS -lc++"
2974    else
2975       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2976    fi
2977
2978    expected_llvm_version="3.4svn-mono-mono/e656cac"
2979
2980    else
2981        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2982        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2983        LLVM_LDFLAGS="-L$with_llvm/lib"
2984        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2985        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2986          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2987          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2988          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2989          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2990          -lLLVMAnalysis -lLLVMTarget \
2991          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2992          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2993          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2994          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2995          -lLLVMSupport -lstdc++"
2996        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2997
2998        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2999        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
3000    fi  
3001
3002    if test "x$llvm_api_version" = "x"; then
3003           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3004           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3005    else
3006           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3007           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3008    fi   
3009
3010    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
3011
3012    AC_SUBST(LLVM_CFLAGS)
3013    AC_SUBST(LLVM_CXXFLAGS)
3014    AC_SUBST(LLVM_LIBS)
3015    AC_SUBST(LLVM_LDFLAGS)
3016    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3017 fi
3018
3019 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3020 if test "x$enable_loadedllvm" = "xyes"; then
3021    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3022 fi
3023 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3024
3025 if test "x$enable_llvm" = "xyes"; then
3026    enable_llvm_runtime=yes
3027 fi
3028 if test "x$enable_llvm_runtime" = "xyes"; then
3029    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3030 fi
3031 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3032
3033 TARGET="unknown"
3034 ACCESS_UNALIGNED="yes"
3035
3036 LIBC="libc.so.6"
3037 INTL="libc.so.6"
3038 SQLITE="libsqlite.so.0"
3039 SQLITE3="libsqlite3.so.0"
3040 X11="libX11.so"
3041 GDKX11="libgdk-x11-2.0.so.0"
3042 GTKX11="libgtk-x11-2.0.so.0"
3043 XINERAMA="libXinerama.so.1"
3044
3045 sizeof_register="SIZEOF_VOID_P"
3046
3047 jit_wanted=true
3048 boehm_supported=true
3049 BTLS_SUPPORTED=no
3050 BTLS_PLATFORM=
3051 case "$host" in
3052         mips*)
3053                 TARGET=MIPS;
3054                 arch_target=mips;
3055                 with_tls=pthread;
3056                 ACCESS_UNALIGNED="no"
3057
3058                 AC_MSG_CHECKING(for mips n32)
3059                 AC_TRY_COMPILE([],[
3060                 #if _MIPS_SIM != _ABIN32
3061                 #error Not mips n32
3062                 #endif
3063                 return 0;
3064                 ],[
3065                 AC_MSG_RESULT(yes)
3066                 sizeof_register=8
3067                 ],[
3068                 AC_MSG_RESULT(no)
3069                 ])
3070                 ;;
3071         i*86-*-*)
3072                 TARGET=X86;
3073                 arch_target=x86;
3074                 case $host_os in
3075                   solaris*)
3076                         LIBC="libc.so"
3077                         INTL="libintl.so"
3078                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3079                                 TARGET=AMD64
3080                                 arch_target=amd64
3081                         fi
3082
3083                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3084                         # int astruct __attribute__ ((visibility ("hidden")));
3085                         # void foo ()
3086                         # {
3087                         #       void *p = &astruct;
3088                         # }
3089                         # gcc -fPIC --shared -o libfoo.so foo.c
3090                         # yields:
3091                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3092                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3093                         have_visibility_hidden=no
3094                         ;;
3095                   mingw*|cygwin*)
3096                         have_visibility_hidden=no                 
3097                         ;;
3098                   haiku*)
3099                         LIBC=libroot.so
3100                         ;;
3101                   linux*)
3102                         AOT_SUPPORTED="yes"
3103                         BTLS_SUPPORTED=yes
3104                         BTLS_PLATFORM=i386
3105                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3106                         ;;
3107                   darwin*)
3108                         AOT_SUPPORTED="yes"
3109                         BTLS_SUPPORTED=yes
3110                         BTLS_PLATFORM=i386
3111                         ;;
3112                   openbsd*|freebsd*|kfreebsd-gnu*)
3113                         ;;
3114                 esac
3115                 ;;
3116         x86_64-*-* | amd64-*-*)
3117                 TARGET=AMD64;
3118                 arch_target=amd64;
3119                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3120                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3121                         sizeof_register=8
3122                 fi
3123                 case $host_os in
3124                   linux*)
3125                         AOT_SUPPORTED="yes"
3126                         BTLS_SUPPORTED=yes
3127                         BTLS_PLATFORM=x86_64
3128                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3129                         ;;
3130                   darwin*)
3131                         AOT_SUPPORTED="yes"
3132                         BTLS_SUPPORTED=yes
3133                         BTLS_PLATFORM=x86_64
3134                         boehm_supported=false
3135                         ;;
3136                   openbsd*|freebsd*|kfreebsd-gnu*)
3137                         ;;
3138                   mingw*)
3139                         ;;
3140                 esac
3141                 case "$host" in
3142                         x86_64-*-nacl*)
3143                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3144                                 sizeof_register=8
3145                                 ;;
3146                 esac
3147                 ;;
3148         ia64-*-*)
3149                 TARGET=IA64
3150                 arch_target=ia64
3151                 ACCESS_UNALIGNED="no"
3152                 LIBC="libc.so.6.1"
3153                 INTL="libc.so.6.1"
3154                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3155                 libmono_ldflags="-lunwind"
3156                 ;;
3157         sparc*-*-*)
3158                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3159                    TARGET=SPARC64
3160                 else
3161                         TARGET=SPARC
3162                 fi
3163                 arch_target=sparc;
3164                 ACCESS_UNALIGNED="no"
3165                 case $host_os in
3166                   linux*) ;;
3167                   *)
3168                         LIBC="libc.so"
3169                         INTL="libintl.so"
3170                 esac
3171                 if test x"$GCC" = xyes; then
3172                         # We don't support v8 cpus
3173                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3174                 fi
3175                 if test x"$AR" = xfalse; then
3176                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3177                 fi
3178                 ;;
3179         *-mingw*|*-*-cygwin*)
3180                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3181                 have_visibility_hidden=no
3182                 INTL="intl"
3183                 ;;
3184         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3185         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3186                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3187                         TARGET=POWERPC64;
3188                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3189                         CFLAGS="$CFLAGS -mminimal-toc"
3190                 else
3191                         TARGET=POWERPC;
3192                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3193                 fi
3194                 arch_target=ppc;
3195                 case $host_os in
3196                   linux*|darwin*)
3197                         ;;
3198                 esac
3199                 ;;
3200         armv7k-*-darwin*)
3201                 TARGET=ARM;
3202                 TARGET_SYS=WATCHOS
3203                 arch_target=arm;
3204                 arm_fpu=VFP_HARD
3205                 ACCESS_UNALIGNED="no"
3206                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3207                 ;;
3208
3209         arm*-darwin*)
3210                 TARGET=ARM;
3211                 arch_target=arm;
3212                 ACCESS_UNALIGNED="no"
3213                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3214                 ;;
3215         arm*-linux*)
3216                 TARGET=ARM;
3217                 arch_target=arm;
3218                 ACCESS_UNALIGNED="no"
3219                 AOT_SUPPORTED="yes"
3220                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3221                 ;;
3222         arm*-netbsd*-eabi*)
3223                 TARGET=ARM;
3224                 arch_target=arm;
3225                 ACCESS_UNALIGNED="no"
3226                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3227                 ;;
3228 # TODO: make proper support for NaCl host.
3229 #        arm*-*nacl)
3230 #               TARGET=ARM;
3231 #               arch_target=arm;
3232 #               ACCESS_UNALIGNED="no"
3233 #               AOT_SUPPORTED="no"
3234 #               ;;
3235         aarch64-*)
3236                 # https://lkml.org/lkml/2012/7/15/133
3237                 TARGET=ARM64
3238                 arch_target=arm64
3239                 boehm_supported=false
3240                 AOT_SUPPORTED="yes"
3241                 ;;
3242         s390x-*-linux*)
3243                 TARGET=S390X;
3244                 arch_target=s390x;
3245                 ACCESS_UNALIGNED="yes"
3246                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3247                 ;;
3248 esac
3249
3250 HOST=$TARGET
3251
3252 if test "x$host" != "x$target"; then
3253    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3254    enable_mcs_build=no
3255    BTLS_SUPPORTED=no
3256    case "$target" in
3257    arm*-darwin*)
3258                 TARGET=ARM;
3259                 arch_target=arm;
3260                 ACCESS_UNALIGNED="no"
3261                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3262                 # Can't use tls, since it depends on the runtime detection of tls offsets
3263                 # in mono-compiler.h
3264                 with_tls=pthread
3265                 case "$target" in
3266                 armv7k-*)
3267                         arm_fpu=VFP_HARD
3268                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3269                         ;;
3270                 esac            
3271                 ;;
3272    powerpc64-ps3-linux-gnu)
3273                 TARGET=POWERPC64
3274                 arch_target=powerpc64
3275                 AC_DEFINE(TARGET_PS3, 1, [...])
3276                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3277                 # uses this define
3278                 AC_DEFINE(__mono_ppc64__, 1, [...])
3279                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3280                 sizeof_register=8
3281                 target_byte_order=G_BIG_ENDIAN
3282                 ;;
3283    powerpc64-xbox360-linux-gnu)
3284                 TARGET=POWERPC64
3285                 arch_target=powerpc64
3286                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3287                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3288                 # uses this define
3289                 sizeof_register=8
3290                 target_byte_order=G_BIG_ENDIAN
3291                 ;;
3292    x86_64-*-nacl)
3293                 TARGET=AMD64
3294                 arch_target=amd64
3295                 AC_DEFINE(TARGET_AMD64, 1, [...])
3296                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3297                 sizeof_register=8
3298                 ;;
3299 # TODO: make proper support for NaCl target.
3300 #   arm*-*nacl)
3301 #               TARGET=ARM
3302 #               arch_target=arm
3303 #               AC_DEFINE(TARGET_ARM, 1, [...])
3304 #               ACCESS_UNALIGNED="no"
3305 #               sizeof_register=4
3306 #               CPPFLAGS="$CPPFLAGS \
3307 #                    -D__ARM_EABI__ \
3308 #                    -D__arm__ \
3309 #                    -D__portable_native_client__ \
3310 #                    -Dtimezone=_timezone \
3311 #                    -DDISABLE_SOCKETS \
3312 #                    -DDISABLE_ATTACH \
3313 #                    -DUSE_NEWLIB"
3314                 # Can't use tls, since it depends on the runtime detection of tls offsets
3315                 # in mono-compiler.h
3316 #               with_tls=pthread
3317 #               ;;
3318    i686-*-nacl)
3319                 TARGET=X86
3320                 arch_target=x86
3321                 AC_DEFINE(TARGET_X86, 1, [...])
3322                 sizeof_register=4
3323                 ;;
3324    arm*-linux-*)
3325                 TARGET=ARM;
3326                 arch_target=arm;
3327                 AC_DEFINE(TARGET_ARM, 1, [...])
3328                 ACCESS_UNALIGNED="no"
3329                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3330                 # Can't use tls, since it depends on the runtime detection of tls offsets
3331                 # in mono-compiler.h
3332                 with_tls=pthread
3333                 target_mach=no
3334                 case "$target" in
3335                 armv7l-unknown-linux-gnueabi*)
3336                         # TEGRA
3337                         CPPFLAGS="$CPPFLAGS"
3338                         ;;
3339                 armv5-*-linux-androideabi*)
3340                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3341                         CPPFLAGS="$CPPFLAGS"
3342                         ;;
3343                 *-linux-androideabi*)
3344                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3345                         CPPFLAGS="$CPPFLAGS"
3346                         ;;
3347                 esac
3348                 ;;
3349    arm*-netbsd*-eabi*)
3350                 TARGET=ARM;
3351                 arch_target=arm;
3352                 AC_DEFINE(TARGET_ARM, 1, [...])
3353                 ACCESS_UNALIGNED="no"
3354                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3355                 # Can't use tls, since it depends on the runtime detection of tls offsets
3356                 # in mono-compiler.h
3357                 with_tls=pthread
3358                 target_mach=no
3359                 ;;
3360    i686*-linux-*)
3361                 TARGET=X86;
3362                 arch_target=x86;
3363                 AC_DEFINE(TARGET_X86, 1, [...])
3364                 CPPFLAGS="$CPPFLAGS"
3365                 # Can't use tls, since it depends on the runtime detection of tls offsets
3366                 # in mono-compiler.h            
3367                 with_tls=pthread
3368                 target_mach=no
3369
3370                 case "$target" in
3371                 *-linux-android*)
3372                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3373                         ;;
3374                 esac
3375                 ;;
3376    x86_64*-linux-*)
3377                 TARGET=AMD64;
3378                 arch_target=amd64;
3379                 AC_DEFINE(TARGET_AMD64, 1, [...])
3380                 CPPFLAGS="$CPPFLAGS"
3381                 # Can't use tls, since it depends on the runtime detection of tls offsets
3382                 # in mono-compiler.h
3383                 with_tls=pthread
3384                 target_mach=no
3385
3386                 case "$target" in
3387                 *-linux-android*)
3388                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3389                         ;;
3390                 esac
3391                 ;;
3392    x86_64-ps4-freebsd)
3393                 TARGET=AMD64;
3394                 arch_target=amd64;
3395                 AC_DEFINE(TARGET_AMD64, 1, [...])
3396                 AC_DEFINE(TARGET_PS4, 1, [...])
3397                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3398                 CPPFLAGS="$CPPFLAGS"
3399                 # Can't use tls, since it depends on the runtime detection of tls offsets
3400                 # in mono-compiler.h
3401                 with_tls=pthread
3402                 target_mach=no
3403                 target_win32=no
3404                 ;;
3405    aarch64*-linux-*)
3406                 TARGET=ARM64;
3407                 arch_target=arm64;
3408                 AC_DEFINE(TARGET_ARM64, 1, [...])
3409                 CPPFLAGS="$CPPFLAGS"
3410                 # Can't use tls, since it depends on the runtime detection of tls offsets
3411                 # in mono-compiler.h
3412                 with_tls=pthread
3413                 target_mach=no
3414                 case "$target" in
3415                 *-linux-android*)
3416                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3417                         ;;
3418                 esac
3419                 ;;
3420         aarch64-*)
3421                 TARGET=ARM64
3422                 ;;
3423         *)
3424                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3425         esac
3426 fi
3427
3428 case "$TARGET" in
3429 X86)
3430         AC_DEFINE(TARGET_X86, 1, [...])
3431         ;;
3432 AMD64)
3433         AC_DEFINE(TARGET_AMD64, 1, [...])
3434         ;;
3435 ARM)
3436         AC_DEFINE(TARGET_ARM, 1, [...])
3437         ;;
3438 ARM64)
3439         AC_DEFINE(TARGET_ARM64, 1, [...])
3440         ;;
3441 POWERPC)
3442         AC_DEFINE(TARGET_POWERPC, 1, [...])
3443         ;;
3444 POWERPC64)
3445         AC_DEFINE(TARGET_POWERPC, 1, [...])
3446         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3447         ;;
3448 S390X)
3449         AC_DEFINE(TARGET_S390X, 1, [...])
3450         ;;
3451 MIPS)
3452         AC_DEFINE(TARGET_MIPS, 1, [...])
3453         ;;
3454 IA64)
3455         AC_DEFINE(TARGET_IA64, 1, [...])
3456         ;;
3457 SPARC)
3458         AC_DEFINE(TARGET_SPARC, 1, [...])
3459         ;;
3460 SPARC64)
3461         AC_DEFINE(TARGET_SPARC64, 1, [...])
3462         ;;
3463 esac
3464
3465 case "$HOST" in
3466 X86)
3467         AC_DEFINE(HOST_X86, 1, [...])
3468         ;;
3469 AMD64)
3470         AC_DEFINE(HOST_AMD64, 1, [...])
3471         ;;
3472 ARM)
3473         AC_DEFINE(HOST_ARM, 1, [...])
3474         ;;
3475 ARM64)
3476         AC_DEFINE(HOST_ARM64, 1, [...])
3477         ;;
3478 POWERPC)
3479         AC_DEFINE(HOST_POWERPC, 1, [...])
3480         ;;
3481 POWERPC64)
3482         AC_DEFINE(HOST_POWERPC, 1, [...])
3483         AC_DEFINE(HOST_POWERPC64, 1, [...])
3484         ;;
3485 S390X)
3486         AC_DEFINE(HOST_S390X, 1, [...])
3487         ;;
3488 MIPS)
3489         AC_DEFINE(HOST_MIPS, 1, [...])
3490         ;;
3491 IA64)
3492         AC_DEFINE(HOST_IA64, 1, [...])
3493         ;;
3494 SPARC)
3495         AC_DEFINE(HOST_SPARC, 1, [...])
3496         ;;
3497 SPARC64)
3498         AC_DEFINE(HOST_SPARC64, 1, [...])
3499         ;;
3500 esac
3501
3502
3503
3504 dnl *************
3505 dnl *** VTUNE ***
3506 dnl *************
3507
3508 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3509 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3510
3511 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3512
3513 if test "x$enable_vtune" = "xyes"; then
3514         if test "x$with_vtune" = "x"; then
3515                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3516         else
3517                 VTUNE_PATH=$with_vtune
3518         fi
3519         VTUNE_INCLUDE=$VTUNE_PATH/include
3520         case "$TARGET" in
3521         X86)
3522                 VTUNE_LIB=$VTUNE_PATH/lib32
3523                 ;;
3524         AMD64)
3525                 VTUNE_LIB=$VTUNE_PATH/lib64
3526                 ;;
3527         *)
3528                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3529                 ;;
3530         esac
3531         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3532                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3533         fi
3534         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3535                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3536         fi
3537
3538         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3539         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3540
3541         AC_SUBST(VTUNE_LIBS)
3542         AC_SUBST(VTUNE_CFLAGS)
3543 fi
3544 dnl Use GCC atomic ops if they work on the target.
3545 if test x$GCC = "xyes"; then
3546         case $TARGET in
3547         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3548                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3549                 ;;
3550         esac
3551 fi
3552
3553 if test "x$target_mach" = "xyes"; then
3554
3555    if test "x$TARGET_SYS" = "xWATCHOS"; then
3556           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3557           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3558           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3559           BTLS_SUPPORTED=no
3560    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3561           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3562           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3563           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3564           BTLS_SUPPORTED=no
3565    else
3566        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3567        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3568        #error fail this for ios
3569        #endif
3570        return 0;
3571        ], [
3572                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3573           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3574           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3575           target_osx=yes
3576        ], [
3577           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3578           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3579           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3580           BTLS_SUPPORTED=no
3581        ])
3582         fi
3583    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3584 fi
3585
3586 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3587
3588 if test "x$sizeof_register" = "x4"; then
3589    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3590 elif test "x$sizeof_register" = "x8"; then
3591    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3592 else
3593    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3594 fi
3595
3596 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3597    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3598 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3599    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3600 else
3601    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3602 fi
3603
3604 if test "x$have_visibility_hidden" = "xyes"; then
3605    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3606 fi
3607
3608 if test "x$have_deprecated" = "xyes"; then
3609    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3610 fi
3611
3612 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3613 if test "x$buildinterpreter" = "xyes"; then
3614     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3615     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3616 fi
3617
3618 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3619
3620
3621 dnl 
3622 dnl Simple Generational checks (sgen)
3623 dnl
3624 SGEN_DEFINES=
3625 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3626 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3627 if test x$buildsgen = xyes; then
3628    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3629    SGEN_DEFINES="-DHAVE_SGEN_GC"
3630
3631         conc_gc_msg=""
3632    if test x$with_sgen_default_concurrent != xno; then
3633        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3634            conc_gc_msg=" (concurrent by default)"
3635    fi
3636
3637    if test "x$gc_msg" = "x"; then
3638       gc_msg="sgen$conc_gc_msg"
3639    else
3640       gc_msg="sgen$conc_gc_msg and $gc_msg"
3641    fi
3642 fi
3643 AC_SUBST(SGEN_DEFINES)
3644 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3645
3646 jit_status="Building and using the JIT"
3647
3648 libsuffix=".so"
3649
3650 case "$host" in
3651      *-*-darwin*)
3652         libsuffix=".dylib"
3653         LIBC="libc.dylib"
3654         INTL="libintl.dylib"
3655         SQLITE="libsqlite.0.dylib"
3656         SQLITE3="libsqlite3.0.dylib"
3657         X11="libX11.dylib"
3658         GDKX11="libgdk-x11-2.0.dylib"
3659         GTKX11="libgtk-x11-2.0.dylib"
3660         ;;
3661      *-*-*netbsd*)
3662         LIBC="libc.so"
3663         INTL="libintl.so"
3664         SQLITE="libsqlite.so"
3665         SQLITE3="libsqlite3.so"
3666         ;;
3667      *-*-kfreebsd*-gnu)
3668         LIBC="libc.so.0.1"
3669         INTL="libc.so.0.1"
3670         X11="libX11.so.6"
3671         ;;
3672     *-*-*freebsd*)
3673         LIBC="libc.so.7"
3674         INTL="libintl.so"
3675         SQLITE="libsqlite.so"
3676         SQLITE3="libsqlite3.so"
3677         ;;
3678     *-*-*openbsd*)
3679         LIBC="libc.so"
3680         INTL="libintl.so"
3681         SQLITE="libsqlite.so"
3682         SQLITE3="libsqlite3.so"
3683         ;;
3684     *-*-*linux*)
3685         AC_PATH_X
3686         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3687         AC_MSG_CHECKING(for the soname of libX11.so)
3688         for i in $x_libraries $dlsearch_path; do
3689                 for r in 4 5 6; do
3690                         if test -f $i/libX11.so.$r; then
3691                                 X11=libX11.so.$r
3692                                 AC_MSG_RESULT($X11)
3693                         fi
3694                 done
3695         done
3696         
3697         if test "x$X11" = "xlibX11.so"; then
3698                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3699                 X11=libX11.so.6
3700         fi
3701         ;;
3702 esac
3703
3704
3705 AC_SUBST(libsuffix)
3706
3707 AC_ARG_WITH([libgdiplus],
3708         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3709         [], [with_libgdiplus=installed])
3710
3711 # default install location
3712 libgdiplus_install_loc=libgdiplus${libsuffix}
3713 case "$host" in
3714     *-*-*linux*)
3715     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3716     ;;
3717 esac
3718
3719 case $with_libgdiplus in
3720     no|installed)
3721     libgdiplus_loc=
3722     ;;
3723
3724     yes|sibling)
3725     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3726     ;;
3727
3728     /*) # absolute path, assume it is an install location
3729     libgdiplus_loc=$with_libgdiplus
3730     libgdiplus_install_loc=$with_libgdiplus
3731     ;;
3732
3733     *)
3734     libgdiplus_loc=`pwd`/$with_libgdiplus
3735     ;;
3736 esac
3737 AC_SUBST([libgdiplus_loc])
3738 AC_SUBST([libgdiplus_install_loc])
3739
3740 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3741 if test "x$icall_symbol_map" = "xyes"; then
3742    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3743 fi
3744
3745 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3746 if test "x$icall_export" = "xyes"; then
3747    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3748 fi
3749
3750 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3751 if test "x$icall_tables" = "xno"; then
3752    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3753 fi
3754
3755 if test "x$with_tls" = "x__thread"; then
3756         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3757         # Pass the information to libgc
3758         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3759         AC_MSG_CHECKING(if the tls_model attribute is supported)
3760         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3761                 ], [
3762                         AC_MSG_RESULT(yes)
3763                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3764                 ], [
3765                         AC_MSG_RESULT(no)
3766         ])
3767 fi
3768
3769 if test ${TARGET} = ARM; then
3770         dnl ******************************************
3771         dnl *** Check to see what FPU is available ***
3772         dnl ******************************************
3773         AC_MSG_CHECKING(which FPU to use)
3774
3775         #
3776         # This is a bit tricky:
3777         #
3778         # if (__ARM_PCS_VFP) {
3779         #       /* mfloat-abi=hard == VFP with hard ABI */
3780         # } elif (!__SOFTFP__) {
3781         #       /* mfloat-abi=softfp == VFP with soft ABI */
3782         # } else {
3783         #       /* mfloat-abi=soft == no VFP */
3784         # }
3785         #
3786         # The exception is iOS (w/ GCC) where none of the above
3787         # are defined (but iOS always uses the 'softfp' ABI).
3788         #
3789         # No support for FPA.
3790         #
3791
3792         fpu=NONE
3793
3794         # iOS GCC always uses the 'softfp' ABI.
3795         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3796                 fpu=VFP
3797         fi
3798
3799         # Are we using the 'hard' ABI?
3800         if test x$fpu = xNONE; then
3801                 AC_TRY_COMPILE([], [
3802                         #ifndef __ARM_PCS_VFP
3803                         #error "Float ABI is not 'hard'"
3804                         #endif
3805                         return 0;
3806                 ], [
3807                         fpu=VFP_HARD
3808                 ], [
3809                         fpu=NONE
3810                 ])
3811         fi
3812
3813         # No 'hard' ABI. 'soft' or 'softfp'?
3814         if test x$fpu = xNONE; then
3815                 AC_TRY_COMPILE([], [
3816                         #ifdef __SOFTFP__
3817                         #error "Float ABI is not 'softfp'"
3818                         #endif
3819                         return 0;
3820                 ], [
3821                         fpu=VFP
3822                 ], [
3823                         fpu=NONE
3824                 ])
3825         fi
3826
3827         if test x$arm_fpu != x; then
3828            fpu=$arm_fpu
3829         fi
3830
3831         AC_MSG_RESULT($fpu)
3832         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3833         unset fpu
3834
3835         dnl *********************************************
3836         dnl *** Check which ARM version(s) we can use ***
3837         dnl *********************************************
3838         AC_MSG_CHECKING(which ARM version to use)
3839
3840         AC_TRY_COMPILE([], [
3841                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3842                 #error Not on ARM v5.
3843                 #endif
3844                 return 0;
3845         ], [
3846                 arm_v5=yes
3847
3848                 arm_ver=ARMv5
3849         ], [])
3850
3851         AC_TRY_COMPILE([], [
3852                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3853                 #error Not on ARM v6.
3854                 #endif
3855                 return 0;
3856         ], [
3857                 arm_v5=yes
3858                 arm_v6=yes
3859
3860                 arm_ver=ARMv6
3861         ], [])
3862
3863         AC_TRY_COMPILE([], [
3864                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3865                 #error Not on ARM v7.
3866                 #endif
3867                 return 0;
3868         ], [
3869                 arm_v5=yes
3870                 arm_v6=yes
3871                 arm_v7=yes
3872
3873                 arm_ver=ARMv7
3874         ], [])
3875
3876         AC_MSG_RESULT($arm_ver)
3877
3878         if test x$arm_v5 = xyes; then
3879                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3880                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3881         fi
3882
3883         if test x$arm_v6 = xyes; then
3884                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3885                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3886         fi
3887
3888         if test x$arm_v7 = xyes; then
3889                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3890                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3891         fi
3892 fi
3893
3894 if test ${TARGET} = unknown; then
3895         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3896         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3897 fi
3898
3899 if test "x$platform_android" = "xyes"; then
3900         case "x${TARGET}" in
3901         xARM)
3902                 case "x$arm_ver" in
3903                 xARMv5)
3904                         BTLS_SUPPORTED=yes
3905                         BTLS_PLATFORM=android-armv5
3906                         ;;
3907                 xARMv6)
3908                         BTLS_SUPPORTED=yes
3909                         BTLS_PLATFORM=android-armv6
3910                         ;;
3911                 xARMv7)
3912                         BTLS_SUPPORTED=yes
3913                         BTLS_PLATFORM=android-armv7
3914                         ;;
3915                 *)
3916                         BTLS_SUPPORTED=no
3917                         ;;
3918                 esac
3919                 ;;
3920         xARM64)
3921                 BTLS_SUPPORTED=yes
3922                 BTLS_PLATFORM=android-v8a
3923                 ;;
3924         xX86)
3925                 BTLS_SUPPORTED=yes
3926                 BTLS_PLATFORM=android-x86
3927                 ;;
3928         xAMD64)
3929                 BTLS_SUPPORTED=yes
3930                 BTLS_PLATFORM=android-x64
3931                 ;;
3932         *)
3933                 BTLS_SUPPORTED=no
3934                 ;;
3935         esac
3936 fi
3937
3938 if test ${ACCESS_UNALIGNED} = no; then
3939         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3940 fi
3941
3942 if test x$host_darwin = xyes; then
3943         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3944         AS_IF(
3945                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3946                 [AC_MSG_RESULT([no])],
3947                 [
3948                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3949                         AR_FLAGS="Scru"
3950                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3951                         AC_MSG_RESULT([yes])
3952                 ]
3953         )
3954 fi
3955
3956 case "x$libgc" in
3957         xincluded)
3958                 # Pass CPPFLAGS to libgc configure
3959                 # We should use a separate variable for this to avoid passing useless and
3960                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3961                 # This should be executed late so we pick up the final version of CPPFLAGS
3962                 # The problem with this approach, is that during a reconfigure, the main
3963                 # configure scripts gets invoked with these arguments, so we use separate
3964                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3965                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3966                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3967                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3968                 fi
3969                 # Don't pass -finstrument-for-thread-suspension in, 
3970                 # if these are instrumented it will be very bad news 
3971                 # (infinite recursion, undefined parking behavior, etc)
3972                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3973                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3974                 if test "x$support_boehm" = "xyes"; then
3975                         AC_CONFIG_SUBDIRS(libgc)
3976                 fi
3977                 ;;
3978 esac
3979
3980 MALLOC_MEMPOOLS=no
3981 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3982         if test x$with_malloc_mempools = xyes; then
3983                 MALLOC_MEMPOOLS=yes
3984                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3985         fi
3986 ])
3987
3988
3989 DISABLE_MCS_DOCS=default
3990 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3991         if test x$with_mcs_docs != xyes; then
3992                 DISABLE_MCS_DOCS=yes
3993         fi
3994 ])
3995 if test -n "$INSTALL_4_x_TRUE"; then :
3996         DISABLE_MCS_DOCS=yes
3997 fi
3998 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3999    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4000 fi
4001
4002 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4003         if test x$with_lazy_gc_thread_creation != xno ; then
4004                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4005         fi
4006 ], [with_lazy_gc_thread_creation=no])
4007
4008 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])
4009
4010 if test x$with_cooperative_gc = xdefault; then
4011         with_cooperative_gc=$with_cooperative_gc_default
4012 fi
4013
4014 if test x$with_cooperative_gc != xno; then
4015         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4016 fi
4017
4018 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4019
4020 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],[
4021
4022         if test x$enable_checked_build != x ; then
4023                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4024         fi
4025         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4026                 eval "mono_checked_build_test_enable_$feature='yes'"
4027         done
4028
4029         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4030                 eval "mono_checked_build_test_enable_gc='yes'"
4031                 eval "mono_checked_build_test_enable_metadata='yes'"
4032                 eval "mono_checked_build_test_enable_thread='yes'"
4033         fi
4034
4035         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4036                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4037         fi
4038
4039         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4040                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4041         fi
4042
4043         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4044                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4045         fi
4046
4047 ], [])
4048
4049 AC_CHECK_HEADER([malloc.h], 
4050                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4051                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4052
4053 if test x"$GCC" = xyes; then
4054         # Implicit function declarations are not 64 bit safe
4055         # Do this late, since this causes lots of configure tests to fail
4056         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4057         # jay has a lot of implicit declarations
4058         JAY_CFLAGS="-Wno-implicit-function-declaration"
4059 fi
4060
4061 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4062 # instead of libmono-static.a
4063 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4064    LIBMONO_LA=libmini-static.la
4065 else
4066    if test x$buildsgen = xyes; then
4067       LIBMONO_LA=libmonosgen-$API_VER.la
4068    else
4069       LIBMONO_LA=libmonoboehm-$API_VER.la
4070    fi
4071 fi
4072 AC_SUBST(LIBMONO_LA)
4073
4074 dnl **************
4075 dnl ***  Btls  ***
4076 dnl **************
4077
4078 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4079 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4080
4081 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4082
4083 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4084
4085 btls_android=no
4086 if test "x$enable_btls" = "xyes"; then
4087         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4088         if test "x$CMAKE" = "xno"; then
4089                 AC_MSG_ERROR("cmake not found")
4090         fi
4091
4092         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4093         AC_SUBST(BTLS_ROOT)
4094
4095         btls_arch=
4096         btls_cflags=
4097         BTLS_CMAKE_ARGS=
4098
4099         case "$BTLS_PLATFORM" in
4100         i386)
4101                 btls_arch=i386
4102                 btls_cflags="-m32"
4103                 case $host_os in
4104                         darwin*)
4105                                 btls_cflags="$btls_cflags -arch i386"
4106                 esac
4107                 ;;
4108         x86_64)
4109                 btls_arch=x86_64
4110                 ;;
4111         android-armv5)
4112                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4113                 ;;
4114         android-armv6)
4115                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4116                 ;;
4117         android-armv7)
4118                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4119                 ;;
4120         android-v8a)
4121                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4122                 ;;
4123         android-x86)
4124                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4125                 ;;
4126         android-x64)
4127                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4128                 ;;
4129         *)
4130                 AC_MSG_ERROR(Invalid BTLS platform)
4131         esac
4132
4133         if test "x$platform_android" = "xyes"; then
4134                 btls_android=yes
4135                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4136                 if test "x$with_btls_android_ndk" != "x"; then
4137                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4138                 else
4139                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4140                 fi
4141         fi
4142
4143         if test "x$btls_arch" != "x"; then
4144                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4145         fi
4146
4147         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4148         AC_SUBST(BTLS_ARCH)
4149         AC_SUBST(BTLS_CFLAGS)
4150         AC_SUBST(BTLS_PLATFORM)
4151         AC_SUBST(BTLS_CMAKE_ARGS)
4152
4153         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4154 else
4155         enable_btls=no
4156 fi
4157
4158 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4159
4160 if test x$DISABLE_MCS_DOCS = xyes; then
4161    docs_dir=""
4162 else
4163    docs_dir=docs
4164 fi
4165 AC_SUBST(docs_dir)
4166
4167 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4168 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4169
4170 libmono_ldflags="$libmono_ldflags $LIBS"
4171
4172 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4173 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4174 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4175 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4176 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4177 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4178 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4179 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4180 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4181 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4182 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4183 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4184 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4185 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4186 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4187 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4188 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4189 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4190
4191 AC_SUBST(LIBC)
4192 AC_SUBST(INTL)
4193 AC_SUBST(SQLITE)
4194 AC_SUBST(SQLITE3)
4195 AC_SUBST(X11)
4196 AC_SUBST(GDKX11)
4197 AC_SUBST(GTKX11)
4198 AC_SUBST(XINERAMA)
4199 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4200 AC_SUBST(arch_target)
4201 AC_SUBST(CFLAGS)
4202 AC_SUBST(CPPFLAGS)
4203 AC_SUBST(LDFLAGS)
4204
4205 #This must always be defined when building the runtime
4206 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4207
4208 mono_build_root=`pwd`
4209 AC_SUBST(mono_build_root)
4210
4211 mono_runtime=mono/mini/mono
4212 AC_SUBST(mono_runtime)
4213
4214 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4215
4216 if test $csc_compiler = mcs; then
4217   CSC=$mcs_topdir/class/lib/build/mcs.exe
4218 else
4219   CSC=$CSC_LOCATION
4220 fi
4221
4222 mono_cfg_root=$mono_build_root/runtime
4223 if test x$host_win32 = xyes; then
4224   if test "x$cross_compiling" = "xno"; then
4225     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4226     CSC=`cygpath -m -a $CSC`
4227     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4228   else
4229     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4230   fi
4231 else
4232   mono_cfg_dir=$mono_cfg_root/etc
4233 fi
4234 AC_SUBST(mono_cfg_dir)
4235
4236 AC_SUBST(CSC)
4237
4238 AC_CONFIG_FILES([po/mcs/Makefile.in])
4239
4240 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4241 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4242
4243 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4244 [   depth=../../../..
4245     case $srcdir in
4246     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4247     .) reldir=$depth ;;
4248     *) reldir=$depth/$srcdir ;;
4249     esac
4250     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4251     cd runtime/etc/mono/1.0
4252     rm -f machine.config
4253     $LN_S $reldir/data/net_1_1/machine.config machine.config
4254     cd $depth
4255 ],[LN_S='$LN_S'])
4256
4257 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4258 [   depth=../../../..
4259     case $srcdir in
4260     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4261     .) reldir=$depth ;;
4262     *) reldir=$depth/$srcdir ;;
4263     esac
4264     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4265     cd runtime/etc/mono/2.0
4266     rm -f machine.config
4267     $LN_S $reldir/data/net_2_0/machine.config machine.config
4268     cd $depth
4269 ],[LN_S='$LN_S'])
4270
4271 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4272 [   depth=../../../..
4273     case $srcdir in
4274     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4275     .) reldir=$depth ;;
4276     *) reldir=$depth/$srcdir ;;
4277     esac
4278     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4279     cd runtime/etc/mono/2.0
4280     rm -f web.config
4281     $LN_S $reldir/data/net_2_0/web.config web.config
4282     cd $depth
4283 ],[LN_S='$LN_S'])
4284
4285 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4286 [   depth=../../..
4287     case $srcdir in
4288     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4289     .) reldir=$depth ;;
4290     *) reldir=$depth/$srcdir ;;
4291     esac
4292     $ac_aux_dir/install-sh -d runtime/etc/mono/
4293     cd runtime/etc/mono/
4294     rm -f browscap.ini
4295     $LN_S $reldir/data/browscap.ini browscap.ini
4296     cd $depth
4297 ],[LN_S='$LN_S'])
4298
4299 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4300 [   depth=../../../../..
4301     case $srcdir in
4302     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4303     .) reldir=$depth ;;
4304     *) reldir=$depth/$srcdir ;;
4305     esac
4306     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4307     cd runtime/etc/mono/2.0/Browsers
4308     rm -f Compat.browser
4309     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4310     cd $depth
4311 ],[LN_S='$LN_S'])
4312
4313 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4314 [   depth=../../../../..
4315     case $srcdir in
4316     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4317     .) reldir=$depth ;;
4318     *) reldir=$depth/$srcdir ;;
4319     esac
4320     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4321     cd runtime/etc/mono/4.0/Browsers
4322     rm -f Compat.browser
4323     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4324     cd $depth
4325 ],[LN_S='$LN_S'])
4326
4327 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4328 [   depth=../../../../..
4329     case $srcdir in
4330     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4331     .) reldir=$depth ;;
4332     *) reldir=$depth/$srcdir ;;
4333     esac
4334     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4335     cd runtime/etc/mono/4.5/Browsers
4336     rm -f Compat.browser
4337     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4338     cd $depth
4339 ],[LN_S='$LN_S'])
4340
4341 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4342 [   depth=../../../..
4343     case $srcdir in
4344     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4345     .) reldir=$depth ;;
4346     *) reldir=$depth/$srcdir ;;
4347     esac
4348     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4349     cd runtime/etc/mono/4.0
4350     rm -f machine.config
4351     $LN_S $reldir/data/net_4_0/machine.config machine.config
4352     cd $depth
4353 ],[LN_S='$LN_S'])
4354
4355 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4356 [   depth=../../../..
4357     case $srcdir in
4358     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4359     .) reldir=$depth ;;
4360     *) reldir=$depth/$srcdir ;;
4361     esac
4362     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4363     cd runtime/etc/mono/4.0
4364     rm -f web.config
4365     $LN_S $reldir/data/net_4_0/web.config web.config
4366     cd $depth
4367 ],[LN_S='$LN_S'])
4368
4369 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4370 [   depth=../../../..
4371     case $srcdir in
4372     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4373     .) reldir=$depth ;;
4374     *) reldir=$depth/$srcdir ;;
4375     esac
4376     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4377     cd runtime/etc/mono/4.5
4378     rm -f machine.config
4379     $LN_S $reldir/data/net_4_5/machine.config machine.config
4380     cd $depth
4381 ],[LN_S='$LN_S'])
4382
4383 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4384 [   depth=../../../..
4385     case $srcdir in
4386     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4387     .) reldir=$depth ;;
4388     *) reldir=$depth/$srcdir ;;
4389     esac
4390     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4391     cd runtime/etc/mono/4.5
4392     rm -f web.config
4393     $LN_S $reldir/data/net_4_5/web.config web.config
4394     cd $depth
4395 ],[LN_S='$LN_S'])
4396
4397 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])
4398 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])
4399
4400 AC_OUTPUT([
4401 Makefile
4402 mono-uninstalled.pc
4403 acceptance-tests/Makefile
4404 llvm/Makefile
4405 scripts/mono-find-provides
4406 scripts/mono-find-requires
4407 mono/Makefile
4408 mono/btls/Makefile
4409 mono/utils/Makefile
4410 mono/metadata/Makefile
4411 mono/dis/Makefile
4412 mono/cil/Makefile
4413 mono/arch/Makefile
4414 mono/arch/x86/Makefile
4415 mono/arch/amd64/Makefile
4416 mono/arch/ppc/Makefile
4417 mono/arch/sparc/Makefile
4418 mono/arch/s390x/Makefile
4419 mono/arch/arm/Makefile
4420 mono/arch/arm64/Makefile
4421 mono/arch/ia64/Makefile
4422 mono/arch/mips/Makefile
4423 mono/sgen/Makefile
4424 mono/tests/Makefile
4425 mono/tests/tests-config
4426 mono/tests/assemblyresolve/Makefile
4427 mono/tests/gc-descriptors/Makefile
4428 mono/unit-tests/Makefile
4429 mono/benchmark/Makefile
4430 mono/mini/Makefile
4431 mono/profiler/Makefile
4432 m4/Makefile
4433 ikvm-native/Makefile
4434 scripts/Makefile
4435 man/Makefile
4436 docs/Makefile
4437 data/Makefile
4438 data/net_2_0/Makefile
4439 data/net_4_0/Makefile
4440 data/net_4_5/Makefile
4441 data/net_2_0/Browsers/Makefile
4442 data/net_4_0/Browsers/Makefile
4443 data/net_4_5/Browsers/Makefile
4444 data/mint.pc
4445 data/mono-2.pc
4446 data/monosgen-2.pc
4447 data/mono.pc
4448 data/mono-cairo.pc
4449 data/mono-nunit.pc
4450 data/mono-options.pc
4451 data/mono-lineeditor.pc
4452 data/monodoc.pc
4453 data/dotnet.pc
4454 data/dotnet35.pc
4455 data/wcf.pc
4456 data/cecil.pc
4457 data/system.web.extensions_1.0.pc
4458 data/system.web.extensions.design_1.0.pc
4459 data/system.web.mvc.pc
4460 data/system.web.mvc2.pc
4461 data/system.web.mvc3.pc
4462 data/aspnetwebstack.pc
4463 data/reactive.pc
4464 samples/Makefile
4465 support/Makefile
4466 data/config
4467 tools/Makefile
4468 tools/locale-builder/Makefile
4469 tools/sgen/Makefile
4470 tools/monograph/Makefile
4471 tools/pedump/Makefile
4472 runtime/Makefile
4473 msvc/Makefile
4474 po/Makefile
4475 ])
4476
4477 # Update all submodules recursively to ensure everything is checked out
4478 $srcdir/scripts/update_submodules.sh
4479
4480 if test x$host_win32 = xyes; then
4481    # Get rid of 'cyg' prefixes in library names
4482    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4483    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4484    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4485    # executable doesn't work...
4486    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4487 fi
4488
4489 if test x$host_darwin = xyes; then
4490    # This doesn't seem to be required and it slows down parallel builds
4491    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4492 fi
4493
4494 (
4495   case $prefix in
4496   NONE) prefix=$ac_default_prefix ;;
4497   esac
4498   case $exec_prefix in
4499   NONE) exec_prefix='${prefix}' ;;
4500   esac
4501
4502   #
4503   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4504   # any existing config.make.  This allows people to share the same source tree
4505   # with different build directories, one native and one cross
4506   #
4507   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4508
4509     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4510
4511     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4512     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4513     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4514     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4515     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4516     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4517     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4518     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4519     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4520
4521     case $INSTALL in
4522     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4523     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4524     esac
4525
4526     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4527
4528     export VERSION
4529     [myver=$($AWK 'BEGIN {
4530       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4531       if(length(vsplit [1]) > 4) {
4532         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4533       }
4534       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4535     }')]
4536
4537     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4538
4539     if test x$host_darwin = xyes; then
4540       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4541     fi
4542
4543     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4544       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4545     fi
4546
4547         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4548            enable_system_aot=yes
4549         fi
4550
4551     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4552       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4553     fi
4554
4555     if test x$DISABLE_MCS_DOCS = xyes; then
4556       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4557     fi
4558
4559     if test x$has_extension_module != xno; then
4560         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4561     fi
4562     
4563     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4564     
4565     if test "x$test_bcl_opt" = "xyes"; then    
4566       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4567     fi
4568
4569     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4570
4571     if test $csc_compiler = mcs; then
4572       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4573     fi
4574
4575     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4576       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4577       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4578     fi
4579
4580     if test "x$enable_btls" = "xyes"; then
4581       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4582       if test "x$enable_dynamic_btls" = "xyes"; then
4583         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4584       fi
4585     fi
4586
4587   fi
4588
4589 )
4590
4591 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4592
4593 btls_platform_string=
4594 if test x$enable_btls = xyes; then
4595         if test x$btls_android = xyes; then
4596                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4597         else
4598                 btls_platform_string=" ($BTLS_PLATFORM)"
4599         fi
4600 fi
4601
4602 echo "
4603         mcs source:    $mcsdir
4604         C# Compiler:   $csc_compiler
4605
4606    Engine:
4607         Host:          $host
4608         Target:        $target
4609         GC:            $gc_msg 
4610         TLS:           $with_tls
4611         SIGALTSTACK:   $with_sigaltstack
4612         Engine:        $jit_status
4613         BigArrays:     $enable_big_arrays
4614         DTrace:        $enable_dtrace
4615         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4616         Interpreter:   $buildinterpreter
4617
4618    Libraries:
4619         .NET 4.x:        $with_profile4_x
4620         Xamarin.Android: $with_monodroid
4621         Xamarin.iOS:     $with_monotouch
4622         Xamarin.WatchOS: $with_monotouch_watch
4623         Xamarin.TVOS:    $with_monotouch_tv
4624         Xamarin.Mac:     $with_xammac
4625         Windows AOT:     $with_winaot
4626         Orbis:           $with_orbis
4627         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4628         JNI support:     $jdk_headers_found
4629         libgdiplus:      $libgdiplus_msg
4630         zlib:            $zlib_msg
4631         BTLS:            $enable_btls$btls_platform_string
4632         $disabled
4633 "
4634 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4635    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4636 fi