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[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [4.3.0],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 case $host_os in
32 *cygwin* )
33                  echo "Run configure using ./configure --host=i686-pc-mingw32"
34                  exit 1
35 esac
36
37 # In case of cygwin, override LN_S, irrespective of what it determines.
38 # The build uses cygwin, but the actual runtime doesn't.
39 case $host_os in
40 *cygwin* ) LN_S='cp -p';;
41 esac
42
43 #
44 # libgc defaults
45 #
46 libgc_configure_args=
47
48 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
49 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
50 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
51 CFLAGS_FOR_LIBGC=$CFLAGS
52 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
53 CFLAGS_FOR_EGLIB=$CFLAGS
54
55 # libgc uses some deprecated APIs
56 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
57
58 #
59 # These are the flags that need to be stored in the mono.pc file for 
60 # compiling code that will embed Mono
61 #
62 libmono_cflags=""
63 libmono_ldflags=""
64 AC_SUBST(libmono_cflags)
65 AC_SUBST(libmono_ldflags)
66
67 # Variable to have relocatable .pc files (lib, or lib64)
68 reloc_libdir=`basename ${libdir}`
69 AC_SUBST(reloc_libdir)
70
71 # Set to yes if Unix sockets cannot be created in an anonymous namespace
72 need_link_unlink=no
73
74 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
75 extra_runtime_ldflags=""
76
77 # Thread configuration inspired by sleepycat's db
78 AC_MSG_CHECKING([host platform characteristics])
79 libgc_threads=no
80 has_dtrace=no
81 parallel_mark=yes
82 ikvm_native=yes
83
84 host_win32=no
85 target_win32=no
86 platform_android=no
87 host_darwin=no
88 case "$host" in
89         *-mingw*|*-*-cygwin*)
90                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
91                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
92                 host_win32=yes
93                 mono_cv_clang=no
94                 if test "x$cross_compiling" = "xno"; then
95                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
96                                 target_win32=yes
97                         fi
98                 else
99                         if test "x$host" == "x$target"; then
100                                 target_win32=yes
101                         fi
102                 fi
103                 HOST_CC="gcc"
104                 # Windows Vista or later is required
105                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
106                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
107                 libmono_cflags="-mms-bitfields -mwindows"
108                 libmono_ldflags="-mms-bitfields -mwindows"
109                 libdl=
110                 libgc_threads=win32
111                 with_sigaltstack=no
112                 with_tls=pthread
113                 LN_S=cp
114                 # This forces libgc to use the DllMain based thread registration code on win32
115                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
116                 ;;
117         *-*-*netbsd*)
118                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
119                 libmono_cflags="-D_REENTRANT"
120                 LDFLAGS="$LDFLAGS -pthread"
121                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
122                 libmono_ldflags="-pthread"
123                 need_link_unlink=yes
124                 libdl="-ldl"
125                 libgc_threads=pthreads
126                 with_sigaltstack=no
127                 use_sigposix=yes
128                 ;;
129         *-*-kfreebsd*-gnu)
130                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
131                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
132                 libmono_ldflags="-lpthread -pthread"
133                 libdl="-ldl"
134                 libgc_threads=pthreads
135                 need_link_unlink=yes
136                 with_sigaltstack=no
137                 use_sigposix=yes
138                 ;;
139         *-*-*freebsd*)
140                 if test "x$PTHREAD_CFLAGS" = "x"; then
141                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
142                         libmono_cflags=
143                 else
144                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
145                         libmono_cflags="$PTHREAD_CFLAGS"
146                 fi
147                 if test "x$PTHREAD_LIBS" = "x"; then
148                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
149                         libmono_ldflags="-pthread"
150                 else
151                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
152                         libmono_ldflags="$PTHREAD_LIBS"
153                 fi
154                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
155                 need_link_unlink=yes
156                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
157                 libdl=
158                 libgc_threads=pthreads
159                 use_sigposix=yes
160                 has_dtrace=yes
161                 ;;
162         *-*-*openbsd*)
163                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
164                 if test "x$disable_munmap" != "xyes"; then
165                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
166                 fi
167                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
168                 LDFLAGS="$LDFLAGS -pthread"
169                 need_link_unlink=yes
170                 AC_DEFINE(PTHREAD_POINTER_ID)
171                 libdl=
172                 libgc_threads=pthreads
173                 with_sigaltstack=no
174                 use_sigposix=yes
175                 ;;
176         *-*-linux-android*)
177                 platform_android=yes
178                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
179                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
180
181                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
182                 if test "x$disable_munmap" != "xyes"; then
183                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
184                 fi
185                 libmono_cflags="-D_REENTRANT"
186                 libdl="-ldl"
187                 libgc_threads=pthreads
188                 use_sigposix=yes
189
190                 with_tls=pthread
191                 with_sigaltstack=no
192                 with_static_mono=no
193
194                 # Android doesn't support boehm, as it's missing <link.h>
195                 support_boehm=no
196                 with_gc=sgen
197
198                 # isinf(3) requires -lm; see isinf check below
199                 LDFLAGS="$LDFLAGS -lm"
200
201                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
202                 # PAGE_SIZE; breaks mono/io-layer/collection.c
203                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
204                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
205                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
206
207                 # The configure check can't detect this
208                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
209
210                 # to bypass the underscore linker check, can't work when cross-compiling
211                 mono_cv_uscore=yes
212                 mono_cv_clang=no
213                 ;;
214         *-*-linux*)
215                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
216                 if test "x$disable_munmap" != "xyes"; then
217                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
218                 fi
219                 libmono_cflags="-D_REENTRANT"
220                 libdl="-ldl"
221                 libgc_threads=pthreads
222                 use_sigposix=yes
223                 if test "x$cross_compiling" != "xno"; then
224                         # to bypass the underscore linker check, not
225                         # available during cross-compilation
226                         mono_cv_uscore=no
227                 fi
228                 case "$host" in
229                 aarch64-*)
230                         support_boehm=no
231                         with_gc=sgen
232                         ;;
233                 powerpc*-*-linux*)
234                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
235                         disable_munmap=yes
236                         ;;
237                 esac
238                 ;;
239         *-*-nacl*)
240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
241                 if test "x$disable_munmap" != "xyes"; then
242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
243                 fi
244                 libmono_cflags="-D_REENTRANT"
245                 libdl=
246                 libgc_threads=pthreads
247                 use_sigposix=yes
248                 ikvm_native=no
249                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
250                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
251                 ;;
252         *-*-hpux*)
253                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
254                 # +ESdbgasm only valid on bundled cc on RISC
255                 # silently ignored for ia64
256                 if test $GCC != "yes"; then
257                         CFLAGS="$CFLAGS +ESdbgasm"
258                         # Arrange for run-time dereferencing of null
259                         # pointers to produce a SIGSEGV signal.
260                         LDFLAGS="$LDFLAGS -z"
261                 fi
262                 CFLAGS="$CFLAGS +ESdbgasm"
263                 LDFLAGS="$LDFLAGS -z"
264                 libmono_cflags="-D_REENTRANT"
265                 libmono_ldflags="-lpthread"
266                 libgc_threads=pthreads
267                 need_link_unlink=yes
268                 use_sigposix=yes
269                 ;;
270         *-*-solaris*)
271                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
272                 need_link_unlink=yes
273                 libmono_cflags="-D_REENTRANT"
274                 libgc_threads=pthreads
275                 # This doesn't seem to work on solaris/x86, but the configure test runs
276                 with_tls=pthread
277                 has_dtrace=yes
278                 use_sigposix=yes
279                 enable_solaris_tar_check=yes
280                 ;;
281         *-*-darwin*)
282                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
283                 host_darwin=yes
284                 target_mach=yes
285                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
286                 libmono_cflags="-D_THREAD_SAFE"
287                 need_link_unlink=yes
288                 AC_DEFINE(PTHREAD_POINTER_ID)
289                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
290                 libdl=
291                 libgc_threads=pthreads
292                 has_dtrace=yes
293                 if test "x$cross_compiling" = "xyes"; then
294                         has_broken_apple_cpp=yes
295                 fi
296                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
297                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
298                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
299                 case "$host" in
300                         dnl Snow Leopard and newer config.guess reports as this
301                         i*86-*-darwin*)
302                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
303                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
304                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
305                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
306                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
307                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
308                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
309                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
310                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
312                                 ;;
313                         x*64-*-darwin*)
314                                 ;;
315                         arm*-darwin*)
316                                 has_dtrace=no
317                                 ;;                      
318                 esac
319                 ;;
320         *-*-haiku*)
321                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
322                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
323                 libdl=
324                 LIBS="$LIBS -lnetwork"
325                 need_link_unlink=yes
326                 AC_DEFINE(PTHREAD_POINTER_ID)
327                 libgc_threads=pthreads
328                 use_sigposix=yes
329                 ;;
330         *)
331                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
332                 libdl="-ldl"
333                 ;;
334 esac
335 AC_MSG_RESULT(ok)
336
337 if test x$need_link_unlink = xyes; then
338    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
339 fi
340
341 if test x$host_win32 = xyes; then
342    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
343 fi
344
345 if test x$target_win32 = xyes; then
346    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
347 fi
348
349 AC_SUBST(extra_runtime_ldflags)
350 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
351 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
352 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
353 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
354 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
355 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
356
357 AC_CHECK_TOOL(CC, gcc, gcc)
358 AC_PROG_CC
359 AC_CHECK_TOOL(CXX, g++, g++)
360 AC_PROG_CXX
361 AM_PROG_AS
362 AC_PROG_INSTALL
363 AC_PROG_AWK
364 AM_PROG_CC_C_O
365 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
366 : ${CCAS='$(CC)'}
367 # Set ASFLAGS if not already set.
368 : ${CCASFLAGS='$(CFLAGS)'}
369 AC_SUBST(CCAS)
370 AC_SUBST(CCASFLAGS)
371
372 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
373 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
374 if test "x$CXX" = "xg++"; then
375         if test "x$GXX" != "xyes"; then
376                 # automake/libtool is so broken, it requires g++ even if the c++ sources
377                 # are inside automake conditionals
378                 AC_MSG_ERROR([You need to install g++])
379         fi
380 fi
381
382 dnl may require a specific autoconf version
383 dnl AC_PROG_CC_FOR_BUILD
384 dnl CC_FOR_BUILD not automatically detected
385 CC_FOR_BUILD=$CC
386 CFLAGS_FOR_BUILD=$CFLAGS
387 BUILD_EXEEXT=
388 if test "x$cross_compiling" = "xyes"; then
389         CC_FOR_BUILD=cc
390         CFLAGS_FOR_BUILD=
391         BUILD_EXEEXT=""
392 fi
393 AC_SUBST(CC_FOR_BUILD)
394 AC_SUBST(CFLAGS_FOR_BUILD)
395 AC_SUBST(HOST_CC)
396 AC_SUBST(BUILD_EXEEXT)
397
398 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
399 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
400
401 # Set STDC_HEADERS
402 AC_HEADER_STDC
403 AC_LIBTOOL_WIN32_DLL
404 # This causes monodis to not link correctly
405 #AC_DISABLE_FAST_INSTALL
406 AM_PROG_LIBTOOL
407 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
408 DOLT
409
410 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
411 AC_SUBST(export_ldflags)
412
413 # Test whenever ld supports -version-script
414 AC_PROG_LD
415 AC_PROG_LD_GNU
416
417 AM_ICONV()
418
419 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)
420 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.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)
421 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
422                   [], [], [#include <stddef.h>
423                   #include <sys/socket.h>
424                   #include <linux/socket.h>])
425
426 AC_CHECK_HEADERS(sys/user.h, [], [],
427 [
428 #ifdef HAVE_SYS_PARAM_H
429 # include <sys/param.h>
430 #endif
431 ])
432
433 AC_CHECK_HEADERS(linux/serial.h)
434
435 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
436 if test x$have_zlib = xyes; then
437    AC_TRY_COMPILE([#include <zlib.h>], [
438    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
439    return 0;
440    #else
441    #error No good zlib found
442    #endif
443    ],[
444         AC_MSG_RESULT(Using system zlib)
445         zlib_msg="system zlib"
446         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
447    ],[
448         AC_MSG_RESULT(Using embedded zlib)
449         have_zlib=no
450         zlib_msg="bundled zlib"
451    ])
452 fi
453
454 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
455 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
456
457 # for mono/metadata/debug-symfile.c
458 AC_CHECK_HEADERS(elf.h)
459
460 # for support
461 AC_CHECK_HEADERS(poll.h)
462 AC_CHECK_HEADERS(sys/poll.h)
463 AC_CHECK_HEADERS(sys/wait.h)
464 AC_CHECK_HEADERS(grp.h)
465 AC_CHECK_HEADERS(syslog.h)
466
467 # for mono/dis
468 AC_CHECK_HEADERS(wchar.h)
469 AC_CHECK_HEADERS(ieeefp.h)
470 AC_MSG_CHECKING(for isinf)
471 AC_TRY_LINK([#include <math.h>], [
472         int f = isinf (1.0);
473 ], [
474         AC_MSG_RESULT(yes)
475         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
476 ], [
477         # We'll have to use signals
478         AC_MSG_RESULT(no)
479 ])
480 # mingw
481 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
482         AC_TRY_LINK([#include <math.h>], 
483         [ _finite(0.0); ], 
484         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
485         AC_MSG_RESULT(no)))
486
487 # for Linux statfs support
488 AC_CHECK_HEADERS(linux/magic.h)
489
490 # not 64 bit clean in cross-compile
491 AC_CHECK_SIZEOF(void *, 4)
492
493 AC_CACHE_CHECK([for clang],
494         mono_cv_clang,[
495         AC_TRY_COMPILE([], [
496                 #ifdef __clang__
497                 #else
498                 #error "FAILED"
499                 #endif
500                 return 0;
501         ],
502         [mono_cv_clang=yes],
503         [mono_cv_clang=no],
504         [])
505 ])
506
507 AC_ARG_ENABLE(visibility-hidden,
508 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
509    disable_visibility_hidden=yes, disable_visibility_hidden=no)
510
511 WARN=''
512 if test x"$GCC" = xyes; then
513         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
514
515                 # We require C99 with some GNU extensions, e.g. `linux` macro
516                 CFLAGS="$CFLAGS -std=gnu99"
517
518                 # The runtime code does not respect ANSI C strict aliasing rules
519                 CFLAGS="$CFLAGS -fno-strict-aliasing"
520
521                 # We rely on signed overflow to behave
522                 CFLAGS="$CFLAGS -fwrapv"
523
524                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
525                 if test x"$disable_visibility_hidden" = xno; then
526                    # Don't export any symbols by default
527                    SHARED_CFLAGS="-fvisibility=hidden"
528                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
529                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
530                 fi
531
532                 ORIG_CFLAGS=$CFLAGS
533                 # Check for the normal version, since gcc ignores unknown -Wno options
534                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
535                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
536                 AC_TRY_COMPILE([],[
537                                 return 0;
538                 ], [
539                    AC_MSG_RESULT(yes)
540                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
541                 ], [
542                    AC_MSG_RESULT(no)
543                    CFLAGS=$ORIG_CFLAGS
544                 ])
545
546                 if test "x$mono_cv_clang" = "xyes"; then
547                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
548                    WARN="$WARN -Qunused-arguments"
549                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
550                 fi
551 else
552         # The Sun Forte compiler complains about inline functions that access static variables
553         # so disable all inlining.
554         case "$host" in
555         *-*-solaris*)
556                 CFLAGS="$CFLAGS -Dinline="
557                 ;;
558         esac
559 fi
560 CFLAGS="$CFLAGS -g $WARN"
561 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
562 CPPFLAGS="$CPPFLAGS -g $WARN"
563
564 # Where's the 'mcs' source tree?
565 if test -d $srcdir/mcs; then
566   mcsdir=mcs
567 else
568   mcsdir=../mcs
569 fi
570
571 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
572         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
573                 mcsdir=$with_mcs_path
574         fi
575 )
576
577 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
578
579 #
580 # A sanity check to catch cases where the package was unpacked
581 # with an ancient tar program (Solaris)
582 #
583 AC_ARG_ENABLE(solaris-tar-check,
584 [  --disable-solaris-tar-check    disable solaris tar check],
585    do_solaris_tar_check=no, do_solaris_tar_check=yes)
586
587 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
588         AC_MSG_CHECKING(integrity of package)
589         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
590         then
591                 AC_MSG_RESULT(ok)
592         else
593                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
594                 AC_MSG_ERROR([$errorm])
595         fi
596 fi
597
598 if test "x$with_mcs_path" != "x"; then
599 mcs_topdir=$(cd "$mcsdir" && pwd)
600 mcs_topdir_from_srcdir=$mcs_topdir
601 else
602 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
603 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
604 fi
605
606 # Convert mcs_topdir* paths to Windows syntax.
607 if test x$cross_compiling$host_win32 = xnoyes; then
608   mcs_topdir=$(cygpath -m $mcs_topdir)
609   case $mcs_topdir_from_srcdir in
610     /cygdrive/*)
611         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
612         ;;
613   esac
614 fi
615
616 AC_SUBST([mcs_topdir])
617 AC_SUBST([mcs_topdir_from_srcdir])
618
619 # gettext: prepare the translation directories. 
620 # we do not configure the full gettext, as we consume it dynamically from C#
621 AM_PO_SUBDIRS
622
623 if test "x$USE_NLS" = "xyes"; then
624    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
625
626    if test "x$HAVE_MSGFMT" = "xno"; then
627           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
628    fi
629 fi
630
631 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
632
633 pkg_config_path=
634 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
635         if test x$with_crosspkgdir = "x"; then
636                 if test -s $PKG_CONFIG_PATH; then
637                         pkg_config_path=$PKG_CONFIG_PATH
638                 fi
639         else
640                 pkg_config_path=$with_crosspkgdir
641                 PKG_CONFIG_PATH=$pkg_config_path
642                 export PKG_CONFIG_PATH
643         fi
644 )
645
646 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
647 if test x$werror_flag = xyes; then
648         WERROR_CFLAGS="-Werror"
649 fi
650 AC_SUBST([WERROR_CFLAGS])
651 AC_SUBST([SHARED_CFLAGS])
652
653 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
654 AC_CONFIG_SUBDIRS(eglib)
655
656 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
657 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
658   
659 AC_SUBST(GLIB_CFLAGS)
660 AC_SUBST(GLIB_LIBS)
661
662 # Enable support for fast thread-local storage
663 # Some systems have broken support, so we allow to disable it.
664 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
665
666 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
667 # This does not work on some platforms (bug #55253)
668 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
669
670 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
671 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
672 # Same as --with-shared_mono=no
673 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
674
675 if test "x$enable_static" = "xno"; then
676    with_static_mono=no
677 fi
678
679 if test "x$enable_shared" = "xno"; then
680    with_shared_mono=no
681 fi
682
683 if test "x$enable_libraries" = "xno"; then
684    with_shared_mono=no
685 fi
686
687 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
688
689 case $host in
690 *nacl* ) with_shared_mono=yes;;
691 esac
692
693 if test "x$host_win32" = "xyes"; then
694    # Boehm GC requires the runtime to be in its own dll
695    with_static_mono=no
696 fi
697
698 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
699 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
700 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
701
702 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
703 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
704         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
705         ORIG_CFLAGS=$CFLAGS
706         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
707         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
708         AC_TRY_COMPILE([], [
709                 return 0;
710         ], [
711            AC_MSG_RESULT(yes)
712            # Pass it to libgc as well
713            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
714         ], [
715            AC_MSG_RESULT(no)
716            CFLAGS=$ORIG_CFLAGS
717         ])
718 fi
719
720 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
721
722 if test x$enable_small_config = xyes; then
723         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
724         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
725 fi
726
727 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=$enableval, enable_system_aot=default)
728
729 DISABLED_FEATURES=none
730
731 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
732      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
733      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
734          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
735 [
736         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
737                 eval "mono_feature_disable_$feature='yes'"
738         done
739         DISABLED_FEATURES=$enable_minimal
740         disabled="Disabled:      $enable_minimal"
741 ],[])
742
743 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
744
745 if test "x$mono_feature_disable_aot" = "xyes"; then
746         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
747         AC_MSG_NOTICE([Disabled AOT compiler])
748 fi
749
750 if test "x$mono_feature_disable_profiler" = "xyes"; then
751         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
752         AC_MSG_NOTICE([Disabled support for the profiler])
753 fi
754 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
755
756 if test "x$mono_feature_disable_decimal" = "xyes"; then
757         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
758         AC_MSG_NOTICE([Disabled support for decimal])
759 fi
760
761 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
762         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
763         AC_MSG_NOTICE([Disabled support for P/Invoke])
764 fi
765
766 if test "x$mono_feature_disable_debug" = "xyes"; then
767         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
768         AC_MSG_NOTICE([Disabled support for runtime debugging])
769 fi
770
771 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
772         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
773         mono_feature_disable_reflection_emit_save=yes
774         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
775 fi
776
777 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
778         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
779         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
780 fi
781
782 if test "x$mono_feature_disable_large_code" = "xyes"; then
783         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
784         AC_MSG_NOTICE([Disabled support for large assemblies])
785 fi
786
787 if test "x$mono_feature_disable_logging" = "xyes"; then
788         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
789         AC_MSG_NOTICE([Disabled support for logging])
790 fi
791
792 if test "x$mono_feature_disable_com" = "xyes"; then
793         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
794         AC_MSG_NOTICE([Disabled COM support])
795 fi
796
797 if test "x$mono_feature_disable_ssa" = "xyes"; then
798         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
799         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
800 fi
801
802 if test "x$mono_feature_disable_generics" = "xyes"; then
803         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
804         AC_MSG_NOTICE([Disabled Generics Support])
805 fi
806
807 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
808         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
809         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
810 fi
811
812 if test "x$mono_feature_disable_portability" = "xyes"; then
813         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
814         AC_MSG_NOTICE([Disabled IO Portability layer])
815 fi
816
817 if test "x$mono_feature_disable_attach" = "xyes"; then
818         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
819         AC_MSG_NOTICE([Disabled agent attach])
820 fi
821
822 if test "x$mono_feature_disable_full_messages" = "xyes"; then
823         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
824         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
825 fi
826
827 if test "x$mono_feature_disable_verifier" = "xyes"; then
828         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
829         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
830 fi
831
832 if test "x$mono_feature_disable_jit" = "xyes"; then
833         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
834         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
835 fi
836
837 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
838
839 if test "x$mono_feature_disable_simd" = "xyes"; then
840         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
841         AC_MSG_NOTICE([Disabled SIMD support])
842 fi
843
844 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
845         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
846         AC_MSG_NOTICE([Disabled Soft Debugger.])
847 fi
848
849 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
850         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
851         AC_MSG_NOTICE([Disabled Performance Counters.])
852 fi
853 if test "x$mono_feature_disable_normalization" = "xyes"; then
854         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
855         AC_MSG_NOTICE([Disabled String normalization support.])
856 fi
857
858 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
859         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
860         AC_MSG_NOTICE([Disabled Assembly remapping.])
861 fi
862
863 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
864         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
865         AC_MSG_NOTICE([Disabled Shared perfcounters.])
866 fi
867
868 if test "x$mono_feature_disable_appdomains" = "xyes"; then
869         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
870         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
871 fi
872
873 if test "x$mono_feature_disable_remoting" = "xyes"; then
874         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
875         AC_MSG_NOTICE([Disabled remoting])
876 fi
877
878 if test "x$mono_feature_disable_security" = "xyes"; then
879         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
880         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
881 fi
882
883 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
884         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
885         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
886 fi
887
888 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
890         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
891 fi
892
893 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
894         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
895         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
896 fi
897
898 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
899         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
900         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
901 fi
902
903 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
904         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
905         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
906 fi
907
908 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
909         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
910         AC_SUBST(DISABLE_SHARED_HANDLES)
911 fi
912
913 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
914 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
915
916 has_extension_module=no
917 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
918 [
919         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
920                 if test x$extension = xdefault ; then
921                         has_extension_module=yes;
922                 fi
923         done
924         if test x$enable_extension_module = xyes; then
925                 has_extension_module=yes;
926         fi
927 ], [])
928
929 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
930
931 if test x$has_extension_module != xno ; then
932         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
933         AC_MSG_NOTICE([Enabling mono extension module.])
934 fi
935
936 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
937 if test x$enable_gsharedvt = xyes; then
938         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
939 fi
940
941 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
942 if test x$enable_native_types = xyes; then
943         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
944 fi
945
946 AC_MSG_CHECKING(for visibility __attribute__)
947 AC_COMPILE_IFELSE([
948         AC_LANG_SOURCE([[
949                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
950                 int main () { doit (); return 0; }
951         ]])
952 ], [
953    have_visibility_hidden=yes
954    AC_MSG_RESULT(yes)
955 ], [
956    have_visibility_hidden=no
957    AC_MSG_RESULT(no)
958 ])
959
960 AC_MSG_CHECKING(for deprecated __attribute__)
961 AC_TRY_COMPILE([
962      int doit (void) __attribute__ ((deprecated));
963      int doit (void) { return 0; }
964 ], [
965         return 0;
966 ], [
967    have_deprecated=yes
968    AC_MSG_RESULT(yes)
969 ], [
970    have_deprecated=no
971    AC_MSG_RESULT(no)
972 ])
973
974 dnl
975 dnl Boehm GC configuration
976 dnl
977
978 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
979
980 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
981 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
982
983 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
984 if test x$enable_parallel_mark = xyes; then
985         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
986 fi
987
988 gc_msg=""
989 LIBGC_CPPFLAGS=
990 LIBGC_LIBS=
991 LIBGC_STATIC_LIBS=
992 libgc_dir=
993 case "x$libgc" in
994         xincluded)
995                 if test "x$support_boehm" = "xyes"; then
996                         libgc_dir=libgc
997                 fi
998
999                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1000                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1001                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1002
1003                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1004
1005                 if test x$target_win32 = xyes; then
1006                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1007                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1008                 fi
1009
1010                 gc_msg="Included Boehm GC with typed GC"
1011                 if test x$enable_parallel_mark = xyes; then
1012                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1013                         gc_msg="$gc_msg and parallel mark"
1014                 else
1015                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1016                 fi
1017                 ;;
1018
1019         xboehm|xbohem|xyes)
1020                 AC_MSG_WARN("External Boehm is no longer supported")
1021                 ;;
1022
1023         xsgen)
1024                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1025                 ;;
1026
1027         xnone)
1028                 AC_MSG_WARN("Compiling mono without GC.")
1029                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1030                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1031                 gc_msg="none"
1032                 ;;
1033         *)
1034                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1035                 ;;
1036 esac
1037
1038 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1039 if test "x$large_heap" = "xyes"; then
1040    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1041 fi
1042
1043 AC_SUBST(LIBGC_CPPFLAGS)
1044 AC_SUBST(LIBGC_LIBS)
1045 AC_SUBST(LIBGC_STATIC_LIBS)
1046 AC_SUBST(libgc_dir)
1047 AC_SUBST(BOEHM_DEFINES)
1048
1049 dnl
1050 dnl End of Boehm GC Configuration
1051 dnl
1052
1053 dnl *************************************
1054 dnl *** Checks for zero length arrays ***
1055 dnl *************************************
1056 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1057 AC_TRY_COMPILE([
1058         struct s {
1059                 int  length;
1060                 char data [0];
1061         };
1062 ], [], [
1063         AC_MSG_RESULT(yes)
1064         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1065 ], [
1066         AC_MSG_RESULT(no)
1067         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1068 ])
1069
1070 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1071
1072 dnl ***********************************
1073 dnl *** Checks for signals
1074 dnl ***********************************
1075 AC_CHECK_HEADERS(signal.h)
1076 AC_CHECK_FUNCS(sigaction)
1077 AC_CHECK_FUNCS(kill)
1078 AC_CHECK_FUNCS(signal)
1079
1080 if test x$host_win32 = xno; then
1081
1082         dnl hires monotonic clock support
1083         AC_SEARCH_LIBS(clock_gettime, rt)
1084
1085         dnl dynamic loader support
1086         AC_CHECK_FUNC(dlopen, DL_LIB="",
1087                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1088         )
1089         if test x$dl_support = xno; then
1090                 AC_MSG_WARN([No dynamic loading support available])
1091         else
1092                 LIBS="$LIBS $DL_LIB"
1093                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1094                 dnl from glib's configure.ac
1095                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1096                         mono_cv_uscore,[
1097                         AC_TRY_RUN([#include <dlfcn.h>
1098                         int mono_underscore_test (void) { return 42; }
1099                         int main() {
1100                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1101                           handle = dlopen ((void*)0, 0);
1102                           if (handle) {
1103                             f1 = dlsym (handle, "mono_underscore_test");
1104                             f2 = dlsym (handle, "_mono_underscore_test");
1105                           } return (!f2 || f1);
1106                         }],
1107                                 [mono_cv_uscore=yes],
1108                                 [mono_cv_uscore=no],
1109                         [])
1110                 ])
1111                 if test "x$mono_cv_uscore" = "xyes"; then
1112                         MONO_DL_NEED_USCORE=1
1113                 else
1114                         MONO_DL_NEED_USCORE=0
1115                 fi
1116                 AC_SUBST(MONO_DL_NEED_USCORE)
1117                 AC_CHECK_FUNC(dlerror)
1118         fi
1119
1120         dnl ******************************************************************
1121         dnl *** Checks for the IKVM JNI interface library                  ***
1122         dnl ******************************************************************
1123         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])
1124
1125         ikvm_native_dir=
1126         if test x$with_ikvm_native = xyes; then
1127                 ikvm_native_dir=ikvm-native
1128                 jdk_headers_found="IKVM Native"
1129         fi
1130
1131         AC_SUBST(ikvm_native_dir)
1132
1133         AC_CHECK_HEADERS(execinfo.h)
1134
1135         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1136
1137         AC_CHECK_FUNCS(getgrgid_r)
1138         AC_CHECK_FUNCS(getgrnam_r)
1139         AC_CHECK_FUNCS(getpwnam_r)
1140         AC_CHECK_FUNCS(getpwuid_r)
1141         AC_CHECK_FUNCS(getresuid)
1142         AC_CHECK_FUNCS(setresuid)
1143         AC_CHECK_FUNCS(kqueue)
1144         AC_CHECK_FUNCS(backtrace_symbols)
1145         AC_CHECK_FUNCS(mkstemp)
1146         AC_CHECK_FUNCS(mmap)
1147         AC_CHECK_FUNCS(madvise)
1148         AC_CHECK_FUNCS(getrusage)
1149         AC_CHECK_FUNCS(getpriority)
1150         AC_CHECK_FUNCS(setpriority)
1151         AC_CHECK_FUNCS(dl_iterate_phdr)
1152         AC_CHECK_FUNCS(dladdr)
1153         AC_CHECK_FUNCS(sysconf)
1154         AC_CHECK_FUNCS(getrlimit)
1155         AC_CHECK_FUNCS(prctl)
1156
1157         AC_CHECK_FUNCS(sched_setaffinity)
1158         AC_CHECK_FUNCS(sched_getcpu)
1159
1160         dnl ****************************************************************
1161         dnl *** Check for sched_setaffinity from glibc versions before   ***
1162         dnl *** 2.3.4. The older versions of the function only take 2    ***
1163         dnl *** parameters, not 3.                                       ***
1164         dnl ***                                                          ***
1165         dnl *** Because the interface change was not made in a minor     ***
1166         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1167         dnl *** won't always indicate the interface sched_affinity has.  ***
1168         dnl ****************************************************************
1169         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1170         AC_TRY_COMPILE([#include <sched.h>], [
1171             int mask = 1; 
1172             sched_setaffinity(0, &mask);
1173                         return 0;
1174         ], [
1175                 # Yes, we have it...
1176                 AC_MSG_RESULT(yes)
1177                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1178         ], [
1179                 # We have the new, three-parameter version
1180                 AC_MSG_RESULT(no)
1181         ])
1182
1183
1184         dnl ******************************************************************
1185         dnl *** Check for large file support                               ***
1186         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1187         dnl ******************************************************************
1188         
1189         # Check that off_t can represent 2**63 - 1 correctly, working around
1190         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1191         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1192         large_offt=no
1193         AC_DEFUN([LARGE_FILES], [
1194                 large_CPPFLAGS=$CPPFLAGS
1195                 CPPFLAGS="$CPPFLAGS $1"
1196                 AC_TRY_COMPILE([
1197                         #include <sys/types.h>
1198                         #include <limits.h>
1199                 ], [
1200                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1201                         #define COMPILE_TIME_ASSERT(pred) \
1202                                 switch(0){case 0:case pred:;}
1203                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1204                 ], [
1205                         AC_MSG_RESULT(ok)
1206                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1207                         large_CPPFLAGS="$large_CPPFLAGS $1"
1208                         large_offt=yes
1209                 ], [
1210                         AC_MSG_RESULT(no)
1211                 ])
1212                 CPPFLAGS=$large_CPPFLAGS
1213         ])
1214
1215         AC_MSG_CHECKING(if off_t is 64 bits wide)
1216         LARGE_FILES("")
1217         if test $large_offt = no; then
1218                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1219                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1220         fi
1221         if test $large_offt = no; then
1222                 AC_MSG_WARN([No 64 bit file size support available])
1223         fi
1224         
1225         dnl *****************************
1226         dnl *** Checks for libsocket  ***
1227         dnl *****************************
1228         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1229
1230         case "$host" in
1231                 *-*-*freebsd*)
1232                         dnl *****************************
1233                         dnl *** Checks for libinotify ***
1234                         dnl *****************************
1235                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1236         esac
1237
1238         dnl *******************************
1239         dnl *** Checks for MSG_NOSIGNAL ***
1240         dnl *******************************
1241         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1242         AC_TRY_COMPILE([#include <sys/socket.h>], [
1243                 int f = MSG_NOSIGNAL;
1244         ], [
1245                 # Yes, we have it...
1246                 AC_MSG_RESULT(yes)
1247                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1248         ], [
1249                 # We'll have to use signals
1250                 AC_MSG_RESULT(no)
1251         ])
1252
1253         dnl *****************************
1254         dnl *** Checks for IPPROTO_IP ***
1255         dnl *****************************
1256         AC_MSG_CHECKING(for IPPROTO_IP)
1257         AC_TRY_COMPILE([#include <netinet/in.h>], [
1258                 int level = IPPROTO_IP;
1259         ], [
1260                 # Yes, we have it...
1261                 AC_MSG_RESULT(yes)
1262                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1263         ], [
1264                 # We'll have to use getprotobyname
1265                 AC_MSG_RESULT(no)
1266         ])
1267
1268         dnl *******************************
1269         dnl *** Checks for IPPROTO_IPV6 ***
1270         dnl *******************************
1271         AC_MSG_CHECKING(for IPPROTO_IPV6)
1272         AC_TRY_COMPILE([#include <netinet/in.h>], [
1273                 int level = IPPROTO_IPV6;
1274         ], [
1275                 # Yes, we have it...
1276                 AC_MSG_RESULT(yes)
1277                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1278         ], [
1279                 # We'll have to use getprotobyname
1280                 AC_MSG_RESULT(no)
1281         ])
1282
1283         dnl ******************************
1284         dnl *** Checks for IPPROTO_TCP ***
1285         dnl ******************************
1286         AC_MSG_CHECKING(for IPPROTO_TCP)
1287         AC_TRY_COMPILE([#include <netinet/in.h>], [
1288                 int level = IPPROTO_TCP;
1289         ], [
1290                 # Yes, we have it...
1291                 AC_MSG_RESULT(yes)
1292                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1293         ], [
1294                 # We'll have to use getprotobyname
1295                 AC_MSG_RESULT(no)
1296         ])
1297
1298         dnl *****************************
1299         dnl *** Checks for SOL_IP     ***
1300         dnl *****************************
1301         AC_MSG_CHECKING(for SOL_IP)
1302         AC_TRY_COMPILE([#include <netdb.h>], [
1303                 int level = SOL_IP;
1304         ], [
1305                 # Yes, we have it...
1306                 AC_MSG_RESULT(yes)
1307                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1308         ], [
1309                 # We'll have to use getprotobyname
1310                 AC_MSG_RESULT(no)
1311         ])
1312
1313         dnl *****************************
1314         dnl *** Checks for SOL_IPV6     ***
1315         dnl *****************************
1316         AC_MSG_CHECKING(for SOL_IPV6)
1317         AC_TRY_COMPILE([#include <netdb.h>], [
1318                 int level = SOL_IPV6;
1319         ], [
1320                 # Yes, we have it...
1321                 AC_MSG_RESULT(yes)
1322                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1323         ], [
1324                 # We'll have to use getprotobyname
1325                 AC_MSG_RESULT(no)
1326         ])
1327
1328         dnl *****************************
1329         dnl *** Checks for SOL_TCP    ***
1330         dnl *****************************
1331         AC_MSG_CHECKING(for SOL_TCP)
1332         AC_TRY_COMPILE([#include <netdb.h>], [
1333                 int level = SOL_TCP;
1334         ], [
1335                 # Yes, we have it...
1336                 AC_MSG_RESULT(yes)
1337                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1338         ], [
1339                 # We'll have to use getprotobyname
1340                 AC_MSG_RESULT(no)
1341         ])
1342
1343         dnl *****************************
1344         dnl *** Checks for IP_PKTINFO ***
1345         dnl *****************************
1346         AC_MSG_CHECKING(for IP_PKTINFO)
1347         AC_TRY_COMPILE([#include <linux/in.h>], [
1348                 int level = IP_PKTINFO;
1349         ], [
1350                 # Yes, we have it...
1351                 AC_MSG_RESULT(yes)
1352                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1353         ], [
1354                 AC_MSG_RESULT(no)
1355         ])
1356
1357         dnl *****************************
1358         dnl *** Checks for IPV6_PKTINFO ***
1359         dnl *****************************
1360         AC_MSG_CHECKING(for IPV6_PKTINFO)
1361         AC_TRY_COMPILE([#include <netdb.h>], [
1362                 int level = IPV6_PKTINFO;
1363         ], [
1364                 # Yes, we have it...
1365                 AC_MSG_RESULT(yes)
1366                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1367         ], [
1368                 AC_MSG_RESULT(no)
1369         ])
1370
1371         dnl **********************************
1372         dnl *** Checks for IP_DONTFRAG     ***
1373         dnl **********************************
1374         AC_MSG_CHECKING(for IP_DONTFRAG)
1375         AC_TRY_COMPILE([#include <netinet/in.h>], [
1376                 int level = IP_DONTFRAG;
1377         ], [
1378                 # Yes, we have it...
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1381         ], [
1382                 AC_MSG_RESULT(no)
1383         ])
1384
1385         dnl **********************************
1386         dnl *** Checks for IP_DONTFRAGMENT ***
1387         dnl **********************************
1388         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1389         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1390                 int level = IP_DONTFRAGMENT;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1395         ], [
1396                 AC_MSG_RESULT(no)
1397         ])
1398
1399         dnl **********************************
1400         dnl *** Checks for IP_MTU_DISCOVER ***
1401         dnl **********************************
1402         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1403         AC_TRY_COMPILE([#include <linux/in.h>], [
1404                 int level = IP_MTU_DISCOVER;
1405         ], [
1406                 # Yes, we have it...
1407                 AC_MSG_RESULT(yes)
1408                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1409         ], [
1410                 AC_MSG_RESULT(no)
1411         ])
1412
1413         dnl **********************************
1414         dnl *** Checks for  IP_PMTUDISC_DO ***
1415         dnl **********************************
1416         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1417         AC_TRY_COMPILE([#include <linux/in.h>], [
1418                 int level = IP_PMTUDISC_DO;
1419         ], [
1420                 # Yes, we have it...
1421                 AC_MSG_RESULT(yes)
1422                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1423         ], [
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl *********************************
1428         dnl *** Check for struct ip_mreqn ***
1429         dnl *********************************
1430         AC_MSG_CHECKING(for struct ip_mreqn)
1431         AC_TRY_COMPILE([#include <netinet/in.h>], [
1432                 struct ip_mreqn mreq;
1433                 mreq.imr_address.s_addr = 0;
1434         ], [
1435                 # Yes, we have it...
1436                 AC_MSG_RESULT(yes)
1437                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1438         ], [
1439                 # We'll just have to try and use struct ip_mreq
1440                 AC_MSG_RESULT(no)
1441                 AC_MSG_CHECKING(for struct ip_mreq)
1442                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1443                         struct ip_mreq mreq;
1444                         mreq.imr_interface.s_addr = 0;
1445                 ], [
1446                         # Yes, we have it...
1447                         AC_MSG_RESULT(yes)
1448                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1449                 ], [
1450                         # No multicast support
1451                         AC_MSG_RESULT(no)
1452                 ])
1453         ])
1454         
1455         dnl **********************************
1456         dnl *** Check for getaddrinfo ***
1457         dnl **********************************
1458         AC_MSG_CHECKING(for getaddrinfo)
1459                 AC_TRY_LINK([
1460                 #include <stdio.h>
1461                 #include <netdb.h>
1462         ], [
1463                 getaddrinfo(NULL,NULL,NULL,NULL);
1464         ], [
1465                 # Yes, we have it...
1466                 AC_MSG_RESULT(yes)
1467                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1468         ], [
1469                 AC_MSG_RESULT(no)
1470         ])
1471
1472         dnl **********************************
1473         dnl *** Check for gethostbyname2_r ***
1474         dnl **********************************
1475         AC_MSG_CHECKING(for gethostbyname2_r)
1476                 AC_TRY_LINK([
1477                 #include <stdio.h>
1478                 #include <netdb.h>
1479         ], [
1480
1481                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1482         ], [
1483                 # Yes, we have it...
1484                 AC_MSG_RESULT(yes)
1485                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1486         ], [
1487                 AC_MSG_RESULT(no)
1488         ])
1489
1490         dnl **********************************
1491         dnl *** Check for gethostbyname2 ***
1492         dnl **********************************
1493         AC_MSG_CHECKING(for gethostbyname2)
1494                 AC_TRY_LINK([
1495                 #include <stdio.h>
1496                 #include <netdb.h>
1497         ], [
1498                 gethostbyname2(NULL,0);
1499         ], [
1500                 # Yes, we have it...
1501                 AC_MSG_RESULT(yes)
1502                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1503         ], [
1504                 AC_MSG_RESULT(no)
1505         ])
1506
1507         dnl **********************************
1508         dnl *** Check for gethostbyname ***
1509         dnl **********************************
1510         AC_MSG_CHECKING(for gethostbyname)
1511                 AC_TRY_LINK([
1512                 #include <stdio.h>
1513                 #include <netdb.h>
1514         ], [
1515                 gethostbyname(NULL);
1516         ], [
1517                 # Yes, we have it...
1518                 AC_MSG_RESULT(yes)
1519                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1520         ], [
1521                 AC_MSG_RESULT(no)
1522         ])
1523
1524         dnl **********************************
1525         dnl *** Check for getprotobyname ***
1526         dnl **********************************
1527         AC_MSG_CHECKING(for getprotobyname)
1528                 AC_TRY_LINK([
1529                 #include <stdio.h>
1530                 #include <netdb.h>
1531         ], [
1532                 getprotobyname(NULL);
1533         ], [
1534                 # Yes, we have it...
1535                 AC_MSG_RESULT(yes)
1536                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1537         ], [
1538                 AC_MSG_RESULT(no)
1539         ])
1540
1541         dnl **********************************
1542         dnl *** Check for getnameinfo ***
1543         dnl **********************************
1544         AC_MSG_CHECKING(for getnameinfo)
1545                 AC_TRY_LINK([
1546                 #include <stdio.h>
1547                 #include <netdb.h>
1548         ], [
1549                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1550         ], [
1551                 # Yes, we have it...
1552                 AC_MSG_RESULT(yes)
1553                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1554         ], [
1555                 AC_MSG_RESULT(no)
1556         ])
1557
1558
1559         dnl **********************************
1560         dnl *** Check for inet_ntop ***
1561         dnl **********************************
1562         AC_MSG_CHECKING(for inet_ntop)
1563                 AC_TRY_LINK([
1564                 #include <stdio.h>
1565                 #include <arpa/inet.h>
1566         ], [
1567                 inet_ntop (0, NULL, NULL, 0);
1568         ], [
1569                 # Yes, we have it...
1570                 AC_MSG_RESULT(yes)
1571                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1572         ], [
1573                 AC_MSG_RESULT(no)
1574         ])
1575
1576         dnl *****************************
1577         dnl *** Checks for libnsl     ***
1578         dnl *****************************
1579         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1580
1581         AC_CHECK_FUNCS(inet_pton inet_aton)
1582
1583         dnl *****************************
1584         dnl *** Checks for libxnet    ***
1585         dnl *****************************
1586         case "${host}" in
1587                 *solaris* )
1588                         AC_MSG_CHECKING(for Solaris XPG4 support)
1589                         if test -f /usr/lib/libxnet.so; then
1590                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1591                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1592                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1593                                 LIBS="$LIBS -lxnet"
1594                                 AC_MSG_RESULT(yes)
1595                         else
1596                                 AC_MSG_RESULT(no)
1597                         fi
1598
1599                         if test "$GCC" = "yes"; then
1600                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1601                         fi
1602                 ;;
1603         esac
1604
1605         dnl *****************************
1606         dnl *** Checks for libpthread ***
1607         dnl *****************************
1608 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1609 # and libpthread does not exist
1610 #
1611         case "${host}" in
1612                 *-*-*freebsd*)
1613                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1614                 ;;
1615                 *-*-*openbsd*)
1616                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1617                 ;;
1618                 *)
1619                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1620                 ;;
1621         esac
1622         AC_CHECK_HEADERS(pthread.h)
1623         AC_CHECK_HEADERS(pthread_np.h)
1624         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1625         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1626         AC_CHECK_FUNCS(pthread_kill)
1627         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1628         AC_TRY_COMPILE([ #include <pthread.h>], [
1629                 pthread_mutexattr_t attr;
1630                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1631         ], [
1632                 AC_MSG_RESULT(ok)
1633         ], [
1634                 AC_MSG_RESULT(no)
1635                 AC_ERROR(Posix system lacks support for recursive mutexes)
1636         ])
1637         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1638         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1639         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1640
1641         dnl **********************************
1642         dnl *** Check for mincore ***
1643         dnl **********************************
1644         AC_MSG_CHECKING(for mincore)
1645                 AC_TRY_LINK([
1646                 #include <stdio.h>
1647                 #include <sys/types.h>
1648                 #include <sys/mman.h>
1649         ], [
1650                 mincore(NULL, 0, NULL);
1651         ], [
1652                 # Yes, we have it...
1653                 AC_MSG_RESULT(yes)
1654                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1655         ], [
1656                 AC_MSG_RESULT(no)
1657         ])
1658
1659         dnl ***********************************
1660         dnl *** Checks for working __thread ***
1661         dnl ***********************************
1662         AC_MSG_CHECKING(for working __thread)
1663         if test "x$with_tls" != "x__thread"; then
1664                 AC_MSG_RESULT(disabled)
1665         elif test "x$cross_compiling" = "xyes"; then
1666                 AC_MSG_RESULT(cross compiling, assuming yes)
1667         else
1668                 AC_TRY_RUN([
1669                         #if defined(__APPLE__) && defined(__clang__)
1670                         #error "__thread does not currently work with clang on Mac OS X"
1671                         #endif
1672                         
1673                         #include <pthread.h>
1674                         __thread int i;
1675                         static int res1, res2;
1676
1677                         void thread_main (void *arg)
1678                         {
1679                                 i = arg;
1680                                 sleep (1);
1681                                 if (arg == 1)
1682                                         res1 = (i == arg);
1683                                 else
1684                                         res2 = (i == arg);
1685                         }
1686
1687                         int main () {
1688                                 pthread_t t1, t2;
1689
1690                                 i = 5;
1691
1692                                 pthread_create (&t1, NULL, thread_main, 1);
1693                                 pthread_create (&t2, NULL, thread_main, 2);
1694
1695                                 pthread_join (t1, NULL);
1696                                 pthread_join (t2, NULL);
1697
1698                                 return !(res1 + res2 == 2);
1699                         }
1700                 ], [
1701                                 AC_MSG_RESULT(yes)
1702                 ], [
1703                                 AC_MSG_RESULT(no)
1704                                 with_tls=pthread
1705                 ])
1706         fi
1707
1708         dnl **************************************
1709         dnl *** Checks for working sigaltstack ***
1710         dnl **************************************
1711         AC_MSG_CHECKING(for working sigaltstack)
1712         if test "x$with_sigaltstack" != "xyes"; then
1713                 AC_MSG_RESULT(disabled)
1714         elif test "x$cross_compiling" = "xyes"; then
1715                 AC_MSG_RESULT(cross compiling, assuming yes)
1716         else
1717                 AC_TRY_RUN([
1718                         #include <stdio.h>
1719                         #include <stdlib.h>
1720                         #include <unistd.h>
1721                         #include <signal.h>
1722                         #include <pthread.h>
1723                         #include <sys/wait.h>
1724                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1725                         #define SA_STACK SA_ONSTACK
1726                         #endif
1727                         static void
1728                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1729                         {
1730                                 exit (0);
1731                         }
1732
1733                         volatile char*__ptr = NULL;
1734                         static void *
1735                         loop (void *ignored)
1736                         {
1737                                 *__ptr = 0;
1738                                 return NULL;
1739                         }
1740
1741                         static void
1742                         child ()
1743                         {
1744                                 struct sigaction sa;
1745                         #ifdef __APPLE__
1746                                 stack_t sas;
1747                         #else
1748                                 struct sigaltstack sas;
1749                         #endif
1750                                 pthread_t id;
1751                                 pthread_attr_t attr;
1752
1753                                 sa.sa_sigaction = sigsegv_signal_handler;
1754                                 sigemptyset (&sa.sa_mask);
1755                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1756                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1757                                         perror ("sigaction");
1758                                         return;
1759                                 }
1760
1761                                 /* x86 darwin deliver segfaults using SIGBUS */
1762                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1763                                         perror ("sigaction");
1764                                         return;
1765                                 }
1766                                 sas.ss_sp = malloc (SIGSTKSZ);
1767                                 sas.ss_size = SIGSTKSZ;
1768                                 sas.ss_flags = 0;
1769                                 if (sigaltstack (&sas, NULL) == -1) {
1770                                         perror ("sigaltstack");
1771                                         return;
1772                                 }
1773
1774                                 pthread_attr_init (&attr);
1775                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1776                                         printf ("pthread_create\n");
1777                                         return;
1778                                 }
1779
1780                                 sleep (100);
1781                         }
1782
1783                         int
1784                         main ()
1785                         {
1786                                 pid_t son;
1787                                 int status;
1788                                 int i;
1789
1790                                 son = fork ();
1791                                 if (son == -1) {
1792                                         return 1;
1793                                 }
1794
1795                                 if (son == 0) {
1796                                         child ();
1797                                         return 0;
1798                                 }
1799
1800                                 for (i = 0; i < 300; ++i) {
1801                                         waitpid (son, &status, WNOHANG);
1802                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1803                                                 return 0;
1804                                         usleep (10000);
1805                                 }
1806
1807                                 kill (son, SIGKILL);
1808                                 return 1;
1809                         }
1810
1811                 ], [
1812                                 AC_MSG_RESULT(yes)
1813                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1814                 ], [
1815                                 with_sigaltstack=no
1816                                 AC_MSG_RESULT(no)
1817                 ])
1818         fi
1819
1820         dnl ********************************
1821         dnl *** Checks for semaphore lib ***
1822         dnl ********************************
1823         # 'Real Time' functions on Solaris
1824         # posix4 on Solaris 2.6
1825         # pthread (first!) on Linux
1826         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1827
1828         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1829         AC_CHECK_FUNCS(shm_open)
1830
1831         dnl ********************************
1832         dnl *** Checks for timezone stuff **
1833         dnl ********************************
1834         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1835                 AC_TRY_COMPILE([
1836                         #include <time.h>
1837                         ], [
1838                         struct tm tm;
1839                         tm.tm_gmtoff = 1;
1840                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1841         if test $ac_cv_struct_tm_gmtoff = yes; then
1842                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1843         else
1844                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1845                         AC_TRY_COMPILE([
1846                                 #include <time.h>
1847                         ], [
1848                                 timezone = 1;
1849                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1850                 if test $ac_cv_var_timezone = yes; then
1851                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1852                 else
1853                         AC_ERROR(unable to find a way to determine timezone)
1854                 fi
1855         fi
1856
1857         dnl *********************************
1858         dnl *** Checks for math functions ***
1859         dnl *********************************
1860         AC_SEARCH_LIBS(sqrtf, m)
1861         if test "x$has_broken_apple_cpp" != "xyes"; then
1862                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1863                         AC_TRY_LINK([#include <math.h>], 
1864                         [ finite(0.0); ], 
1865                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1866                         AC_MSG_RESULT(no)))
1867         fi
1868         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1869                 AC_TRY_LINK([#include <math.h>], 
1870                 [ isfinite(0.0); ], 
1871                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1872                 AC_MSG_RESULT(no)))
1873
1874         dnl ****************************************************************
1875         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1876         dnl *** have it in the library (duh))                            ***
1877         dnl ****************************************************************
1878         AC_CHECK_FUNCS(poll)
1879
1880         dnl *************************
1881         dnl *** Check for signbit ***
1882         dnl *************************
1883         AC_MSG_CHECKING(for signbit)
1884         AC_TRY_LINK([#include <math.h>], [
1885                 int s = signbit(1.0);
1886         ], [
1887                 AC_MSG_RESULT(yes)
1888                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1889         ], [
1890                 AC_MSG_RESULT(no)
1891         ]) 
1892
1893         dnl **********************************
1894         dnl *** epoll                      ***
1895         dnl **********************************
1896         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1897                 AC_CHECK_HEADERS(sys/epoll.h)
1898                 haveepoll=no
1899                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1900                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1901                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1902                 fi
1903         fi
1904
1905         havekqueue=no
1906
1907         AC_CHECK_HEADERS(sys/event.h)
1908         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1909
1910         dnl **************************************
1911         dnl * Darwin has a race that prevents us from using reliably:
1912         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1913         dnl * Since kqueue is mostly used for scaling large web servers, 
1914         dnl * and very few folks run Mono on large web servers on OSX, falling
1915         dnl * back 
1916         dnl **************************************
1917         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1918                 if test "x$host_darwin" = "xno"; then
1919                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1920                 fi
1921         fi
1922
1923         dnl ******************************
1924         dnl *** Checks for SIOCGIFCONF ***
1925         dnl ******************************
1926         AC_CHECK_HEADERS(sys/ioctl.h)
1927         AC_CHECK_HEADERS(net/if.h, [], [],
1928            [
1929            #ifdef HAVE_SYS_TYPES_H
1930            # include <sys/types.h>
1931            #endif
1932            #ifdef HAVE_SYS_SOCKET_H
1933            # include <sys/socket.h>
1934            #endif
1935            ])
1936         AC_MSG_CHECKING(for ifreq)
1937         AC_TRY_COMPILE([
1938                 #include <stdio.h>
1939                 #include <sys/ioctl.h>
1940                 #include <net/if.h>
1941                 ], [
1942                 struct ifconf ifc;
1943                 struct ifreq *ifr;
1944                 void *x;
1945                 ifc.ifc_len = 0;
1946                 ifc.ifc_buf = NULL;
1947                 x = (void *) &ifr->ifr_addr;
1948                 ],[
1949                         AC_MSG_RESULT(yes)
1950                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1951                 ], [
1952                         AC_MSG_RESULT(no)
1953                 ])
1954         dnl **********************************
1955         dnl ***     Checks for sin_len     ***
1956         dnl **********************************
1957         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1958         AC_TRY_COMPILE([
1959                 #include <netinet/in.h>
1960                 ], [
1961                 struct sockaddr_in saddr;
1962                 saddr.sin_len = sizeof (saddr);
1963                 ],[
1964                         AC_MSG_RESULT(yes)
1965                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1966                 ], [
1967                         AC_MSG_RESULT(no)
1968                 ])      
1969         dnl **********************************
1970         dnl ***    Checks for sin6_len     ***
1971         dnl **********************************
1972         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1973         AC_TRY_COMPILE([
1974                 #include <netinet/in.h>
1975                 ], [
1976                 struct sockaddr_in6 saddr6;
1977                 saddr6.sin6_len = sizeof (saddr6);
1978                 ],[
1979                         AC_MSG_RESULT(yes)
1980                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1981                 ], [
1982                         AC_MSG_RESULT(no)
1983                 ])
1984         dnl **********************************
1985         dnl *** Check for getifaddrs       ***
1986         dnl **********************************
1987         AC_MSG_CHECKING(for getifaddrs)
1988                 AC_TRY_LINK([
1989                 #include <stdio.h>
1990                 #include <sys/types.h>
1991                 #include <sys/socket.h>
1992                 #include <ifaddrs.h>
1993         ], [
1994                 getifaddrs(NULL);
1995         ], [
1996                 # Yes, we have it...
1997                 AC_MSG_RESULT(yes)
1998                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1999         ], [
2000                 AC_MSG_RESULT(no)
2001         ])
2002         dnl **********************************
2003         dnl *** Check for if_nametoindex   ***
2004         dnl **********************************
2005         AC_MSG_CHECKING(for if_nametoindex)
2006                 AC_TRY_LINK([
2007                 #include <stdio.h>
2008                 #include <sys/types.h>
2009                 #include <sys/socket.h>
2010                 #include <net/if.h>
2011         ], [
2012                 if_nametoindex(NULL);
2013         ], [
2014                 # Yes, we have it...
2015                 AC_MSG_RESULT(yes)
2016                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2017         ], [
2018                 AC_MSG_RESULT(no)
2019         ])
2020                         
2021         dnl **********************************
2022         dnl *** Checks for MonoPosixHelper ***
2023         dnl **********************************
2024         AC_CHECK_HEADERS(checklist.h)
2025         AC_CHECK_HEADERS(pathconf.h)
2026         AC_CHECK_HEADERS(fstab.h)
2027         AC_CHECK_HEADERS(attr/xattr.h)
2028         AC_CHECK_HEADERS(sys/extattr.h)
2029         AC_CHECK_HEADERS(sys/sendfile.h)
2030         AC_CHECK_HEADERS(sys/statvfs.h)
2031         AC_CHECK_HEADERS(sys/statfs.h)
2032         AC_CHECK_HEADERS(sys/vfstab.h)
2033         AC_CHECK_HEADERS(sys/xattr.h)
2034         AC_CHECK_HEADERS(sys/mman.h)
2035         AC_CHECK_HEADERS(sys/param.h)
2036         AC_CHECK_HEADERS(sys/mount.h, [], [],
2037                 [
2038                 #ifdef HAVE_SYS_PARAM_H
2039                 # include <sys/param.h>
2040                 #endif
2041                 ])
2042         AC_CHECK_HEADERS(sys/mount.h)
2043         AC_CHECK_FUNCS(confstr)
2044         AC_CHECK_FUNCS(seekdir telldir)
2045         AC_CHECK_FUNCS(getdomainname)
2046         AC_CHECK_FUNCS(setdomainname)
2047         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2048         AC_CHECK_FUNCS(setgroups)
2049         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2050         AC_CHECK_FUNCS(getfsstat)
2051         AC_CHECK_FUNCS(lutimes futimes)
2052         AC_CHECK_FUNCS(mremap)
2053         AC_CHECK_FUNCS(remap_file_pages)
2054         AC_CHECK_FUNCS(posix_fadvise)
2055         AC_CHECK_FUNCS(posix_fallocate)
2056         AC_CHECK_FUNCS(posix_madvise)
2057         AC_CHECK_FUNCS(vsnprintf)
2058         AC_CHECK_FUNCS(sendfile)
2059         AC_CHECK_FUNCS(gethostid sethostid)
2060         AC_CHECK_FUNCS(sethostname)
2061         AC_CHECK_FUNCS(statfs)
2062         AC_CHECK_FUNCS(fstatfs)
2063         AC_CHECK_FUNCS(statvfs)
2064         AC_CHECK_FUNCS(fstatvfs)
2065         AC_CHECK_FUNCS(stime)
2066         AC_CHECK_FUNCS(strerror_r)
2067         AC_CHECK_FUNCS(ttyname_r)
2068         AC_CHECK_FUNCS(psignal)
2069         AC_CHECK_FUNCS(getlogin_r)
2070         AC_CHECK_FUNCS(lockf)
2071         AC_CHECK_FUNCS(swab)
2072         AC_CHECK_FUNCS(setusershell endusershell)
2073         AC_CHECK_FUNCS(futimens utimensat)
2074         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2075         AC_CHECK_FUNCS(readv writev preadv pwritev)
2076         AC_CHECK_FUNCS(setpgid)
2077         AC_CHECK_FUNCS(system)
2078         AC_CHECK_FUNCS(fork execv execve)
2079         AC_CHECK_SIZEOF(size_t)
2080         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2081                 [#include <sys/types.h>
2082                  #include <sys/stat.h>
2083                  #include <unistd.h>])
2084         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2085                 [#include <sys/types.h>
2086                  #include <sys/stat.h>
2087                  #include <unistd.h>])
2088         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2089                 [#include <sys/time.h>])
2090         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2091                 [#include <unistd.h>
2092                  #include <fcntl.h>])
2093         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2094                 [#include <sys/uio.h>])
2095         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2096                 [#include <sys/socket.h>])
2097         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2098                 [#include <sys/poll.h>])
2099         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2100                 [#include <sys/types.h>
2101                  #include <sys/stat.h>
2102                  #include <unistd.h>])
2103         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2104                 [#include <time.h>])
2105         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2106                 [#include <sys/time.h>
2107                  #include <sys/types.h>
2108                  #include <utime.h>])
2109         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2110                 [#include <sys/time.h>])
2111         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2112                 [#include <sys/types.h>
2113                  #include <utime.h>])
2114         AC_CHECK_MEMBERS(
2115                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2116                 [#include <sys/types.h>
2117                  #include <dirent.h>])
2118         AC_CHECK_MEMBERS(
2119                 [struct passwd.pw_gecos],,, 
2120                 [#include <sys/types.h>
2121                  #include <pwd.h>])
2122         AC_CHECK_MEMBERS(
2123                 [struct statfs.f_flags],,, 
2124                 [#include <sys/types.h>
2125                  #include <sys/vfs.h>])
2126         AC_CHECK_MEMBERS(
2127                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2128                 [#include <sys/types.h>
2129                  #include <sys/stat.h>
2130                  #include <unistd.h>])
2131
2132         dnl Favour xattr through glibc, but use libattr if we have to
2133         AC_CHECK_FUNC(lsetxattr, ,
2134                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2135         )
2136         AC_SUBST(XATTR_LIB)
2137
2138         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2139         AC_CHECK_MEMBERS(
2140                 [struct kinfo_proc.kp_proc],,, 
2141                 [#include <sys/types.h>
2142                  #include <sys/param.h>
2143                  #include <sys/sysctl.h>
2144                  #include <sys/proc.h>
2145                  ])
2146
2147         dnl *********************************
2148         dnl *** Checks for Windows compilation ***
2149         dnl *********************************
2150         AC_CHECK_HEADERS(sys/time.h)
2151         AC_CHECK_HEADERS(sys/param.h)
2152         AC_CHECK_HEADERS(dirent.h)
2153
2154         dnl ******************************************
2155         dnl *** Checks for OSX and iOS compilation ***
2156         dnl ******************************************
2157         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2158
2159         dnl *********************************
2160         dnl *** Check for Console 2.0 I/O ***
2161         dnl *********************************
2162         AC_CHECK_HEADERS([curses.h])
2163         AC_CHECK_HEADERS([term.h], [], [],
2164         [#if HAVE_CURSES_H
2165          #include <curses.h>
2166          #endif
2167         ])
2168         AC_CHECK_HEADERS([termios.h])
2169 else
2170         dnl *********************************
2171         dnl *** Checks for Windows compilation ***
2172         dnl *********************************
2173         AC_CHECK_HEADERS(winternl.h)
2174
2175         jdk_headers_found=no
2176         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2177         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2178         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2179         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2180         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2181         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2182         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2183
2184         dnl *********************************
2185         dnl *** Check for struct ip_mreqn ***
2186         dnl *********************************
2187         AC_MSG_CHECKING(for struct ip_mreqn)
2188         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2189                 struct ip_mreqn mreq;
2190                 mreq.imr_address.s_addr = 0;
2191         ], [
2192                 # Yes, we have it...
2193                 AC_MSG_RESULT(yes)
2194                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2195         ], [
2196                 # We'll just have to try and use struct ip_mreq
2197                 AC_MSG_RESULT(no)
2198                 AC_MSG_CHECKING(for struct ip_mreq)
2199                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2200                         struct ip_mreq mreq;
2201                         mreq.imr_interface.s_addr = 0;
2202                 ], [
2203                         # Yes, we have it...
2204                         AC_MSG_RESULT(yes)
2205                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2206                 ], [
2207                         # No multicast support
2208                         AC_MSG_RESULT(no)
2209                 ])
2210         ])
2211
2212         dnl **********************************
2213         dnl *** Check for getaddrinfo ***
2214         dnl **********************************
2215         AC_MSG_CHECKING(for getaddrinfo)
2216                 AC_TRY_LINK([
2217                 #include <stdio.h>
2218                 #include <winsock2.h>
2219                 #include <ws2tcpip.h>
2220         ], [
2221                 getaddrinfo(NULL,NULL,NULL,NULL);
2222         ], [
2223                 # Yes, we have it...
2224                 AC_MSG_RESULT(yes)
2225                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2226         ], [
2227                 AC_MSG_RESULT(no)
2228         ])
2229
2230         dnl **********************************
2231         dnl *** Check for gethostbyname ***
2232         dnl **********************************
2233         AC_MSG_CHECKING(for gethostbyname)
2234                 AC_TRY_LINK([
2235                 #include <stdio.h>
2236                 #include <winsock2.h>
2237                 #include <ws2tcpip.h>
2238         ], [
2239                 gethostbyname(NULL);
2240         ], [
2241                 # Yes, we have it...
2242                 AC_MSG_RESULT(yes)
2243                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2244         ], [
2245                 AC_MSG_RESULT(no)
2246         ])
2247
2248         dnl **********************************
2249         dnl *** Check for getprotobyname ***
2250         dnl **********************************
2251         AC_MSG_CHECKING(for getprotobyname)
2252                 AC_TRY_LINK([
2253                 #include <stdio.h>
2254                 #include <winsock2.h>
2255                 #include <ws2tcpip.h>
2256         ], [
2257                 getprotobyname(NULL);
2258         ], [
2259                 # Yes, we have it...
2260                 AC_MSG_RESULT(yes)
2261                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2262         ], [
2263                 AC_MSG_RESULT(no)
2264         ])
2265
2266         dnl **********************************
2267         dnl *** Check for getnameinfo ***
2268         dnl **********************************
2269         AC_MSG_CHECKING(for getnameinfo)
2270                 AC_TRY_LINK([
2271                 #include <stdio.h>
2272                 #include <winsock2.h>
2273                 #include <ws2tcpip.h>
2274         ], [
2275                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2276         ], [
2277                 # Yes, we have it...
2278                 AC_MSG_RESULT(yes)
2279                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2280         ], [
2281                 AC_MSG_RESULT(no)
2282         ])
2283
2284         dnl **********************************
2285         dnl *** Check for inet_ntop ***
2286         dnl **********************************
2287         AC_MSG_CHECKING(for inet_ntop)
2288                 AC_TRY_LINK([
2289                 #include <stdio.h>
2290                 #include <winsock2.h>
2291                 #include <ws2tcpip.h>
2292         ], [
2293                 inet_ntop (0, NULL, NULL, 0);
2294         ], [
2295                 # Yes, we have it...
2296                 AC_MSG_RESULT(yes)
2297                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2298         ], [
2299                 AC_MSG_RESULT(no)
2300         ])
2301
2302         dnl **********************************
2303         dnl *** Check for inet_pton ***
2304         dnl **********************************
2305         AC_MSG_CHECKING(for inet_pton)
2306                 AC_TRY_LINK([
2307                 #include <stdio.h>
2308                 #include <winsock2.h>
2309                 #include <ws2tcpip.h>
2310         ], [
2311                 inet_pton (0, NULL, NULL);
2312         ], [
2313                 # Yes, we have it...
2314                 AC_MSG_RESULT(yes)
2315                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2316         ], [
2317                 AC_MSG_RESULT(no)
2318         ])
2319
2320         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2321         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2322         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2323         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2324         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2325         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2326         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2327 fi
2328
2329 dnl socklen_t check
2330 AC_MSG_CHECKING(for socklen_t)
2331 AC_TRY_COMPILE([
2332 #include <sys/types.h>
2333 #include <sys/socket.h>
2334 ],[
2335   socklen_t foo;
2336 ],[
2337 ac_cv_c_socklen_t=yes
2338         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2339         AC_MSG_RESULT(yes)
2340 ],[
2341         AC_MSG_RESULT(no)
2342 ])
2343
2344 AC_MSG_CHECKING(for array element initializer support)
2345 AC_TRY_COMPILE([#include <sys/socket.h>], [
2346         const int array[] = {[1] = 2,};
2347 ], [
2348         # Yes, we have it...
2349         AC_MSG_RESULT(yes)
2350         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2351 ], [
2352         # We'll have to use signals
2353         AC_MSG_RESULT(no)
2354 ])
2355
2356 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2357         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2358         AC_TRY_LINK([#include <math.h>], 
2359         [ static void *p = &trunc; ],
2360         [
2361                 AC_DEFINE(HAVE_TRUNC) 
2362                 AC_MSG_RESULT(yes)
2363                 ac_cv_trunc=yes
2364         ],
2365         AC_MSG_RESULT(no)))
2366
2367 if test "x$ac_cv_truncl" != "xyes"; then
2368    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2369 fi
2370
2371 AC_CHECK_FUNCS(execvp)
2372
2373 dnl ****************************
2374 dnl *** Look for /dev/random ***
2375 dnl ****************************
2376
2377 AC_MSG_CHECKING([if usage of random device is requested])
2378 AC_ARG_ENABLE(dev-random,
2379 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2380 try_dev_random=$enableval, try_dev_random=yes)
2381
2382 AC_MSG_RESULT($try_dev_random)
2383
2384 case "{$build}" in
2385     *-openbsd*)
2386     NAME_DEV_RANDOM="/dev/srandom"
2387     ;;
2388
2389 dnl Win32 does not have /dev/random, they have their own method...
2390
2391     *-mingw*|*-*-cygwin*)
2392     ac_cv_have_dev_random=no
2393     ;;
2394
2395 dnl Everywhere else, it's /dev/random
2396
2397     *)
2398     NAME_DEV_RANDOM="/dev/random"
2399     ;;
2400 esac
2401
2402 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2403
2404 dnl Now check if the device actually exists
2405
2406 if test "x$try_dev_random" = "xyes"; then
2407     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2408     [if test -r "$NAME_DEV_RANDOM" ; then
2409         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2410     if test "x$ac_cv_have_dev_random" = "xyes"; then
2411         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2412     fi
2413 else
2414     AC_MSG_CHECKING(for random device)
2415     ac_cv_have_dev_random=no
2416     AC_MSG_RESULT(has been disabled)
2417 fi
2418
2419 if test "x$host_win32" = "xyes"; then
2420     AC_DEFINE(HAVE_CRYPT_RNG)
2421 fi
2422
2423 if test "x$ac_cv_have_dev_random" = "xno" \
2424     && test "x$host_win32" = "xno"; then
2425     AC_MSG_WARN([[
2426 ***
2427 *** A system-provided entropy source was not found on this system.
2428 *** Because of this, the System.Security.Cryptography random number generator
2429 *** will throw a NotImplemented exception.
2430 ***
2431 *** If you are seeing this message, and you know your system DOES have an
2432 *** entropy collection in place, please contact <crichton@gimp.org> and
2433 *** provide information about the system and how to access the random device.
2434 ***
2435 *** Otherwise you can install either egd or prngd and set the environment
2436 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2437 ***]])
2438 fi
2439  
2440 AC_MSG_CHECKING([if inter-process shared handles are requested])
2441 # Same as --enable-minimal=shared_handles
2442 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=no)
2443 AC_MSG_RESULT($try_shared_handles)
2444 if test "x$try_shared_handles" != "xyes"; then
2445         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2446         AC_SUBST(DISABLE_SHARED_HANDLES)
2447 fi
2448
2449 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2450
2451 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2452 if test "x$test_perf_events" == "xyes"; then
2453         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2454         AC_SUBST(ENABLE_PERF_EVENTS)
2455 fi
2456
2457 AC_MSG_CHECKING([if big-arrays are to be enabled])
2458 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2459 if test "x$enable_big_arrays" = "xyes" ; then
2460     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2461         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2462     else
2463         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2464     fi
2465 fi
2466 AC_MSG_RESULT($enable_big_arrays)
2467
2468 dnl **************
2469 dnl *** DTRACE ***
2470 dnl **************
2471
2472 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2473
2474 if test "x$enable_dtrace" = "xyes"; then
2475    if test "x$has_dtrace" = "xno"; then
2476           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2477    fi
2478    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2479    if test "x$DTRACE" = "xno"; then
2480           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2481           enable_dtrace=no
2482    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2483           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2484           enable_dtrace=no
2485    fi
2486 fi
2487
2488 dtrace_g=no
2489 if test "x$enable_dtrace" = "xyes"; then
2490         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2491         DTRACEFLAGS=
2492         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2493                 case "$host" in
2494                         powerpc-*-darwin*)
2495                         DTRACEFLAGS="-arch ppc64"
2496                         ;;
2497                         i*86-*-darwin*)
2498                         DTRACEFLAGS="-arch x86_64"
2499                         ;;
2500                         *)
2501                         DTRACEFLAGS=-64
2502                         ;;
2503                 esac
2504         else
2505                 case "$host" in
2506                         powerpc-*-darwin*)
2507                         DTRACEFLAGS="-arch ppc"
2508                         ;;
2509                         i*86-*-darwin*)
2510                         DTRACEFLAGS="-arch i386"
2511                         ;;
2512                         *)
2513                         DTRACEFLAGS=-32
2514                         ;;
2515                 esac
2516         fi
2517         AC_SUBST(DTRACEFLAGS)
2518         case "$host" in
2519                 *-*-solaris*)
2520                 dtrace_g=yes
2521                 ;;
2522         esac
2523         AC_CHECK_HEADERS([sys/sdt.h])
2524 fi
2525 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2526 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2527
2528 dnl **************
2529 dnl ***  NaCl  ***
2530 dnl **************
2531
2532 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2533 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2534
2535 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2536
2537 dnl
2538 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2539 dnl
2540 nacl_self_host=""
2541 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2542    nacl_self_host="nacl_self_host"
2543 fi
2544 AC_SUBST(nacl_self_host)
2545
2546 if test "x$enable_nacl_codegen" = "xyes"; then
2547    MONO_NACL_ALIGN_MASK_OFF=1
2548    AC_DEFINE(TARGET_NACL, 1, [...])
2549    AC_DEFINE(__native_client_codegen__, 1, [...])
2550 else
2551    MONO_NACL_ALIGN_MASK_OFF=0
2552    AC_DEFINE(__default_codegen__, 1, [...])
2553 fi
2554 if test "x$enable_nacl_gc" = "xyes"; then
2555    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2556       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2557    else
2558       # Not yet implemented
2559       INSTRUMENT_CFLAG=""
2560    fi
2561    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2562 fi
2563 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2564
2565 dnl **************
2566 dnl ***  LLVM  ***
2567 dnl **************
2568
2569 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2570 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2571 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2572
2573 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2574
2575 if test "x$enable_llvm" = "xyes"; then
2576    if test "x$with_llvm" != "x"; then
2577           LLVM_CONFIG=$with_llvm/bin/llvm-config
2578           if test x$host_win32 = xyes; then
2579                 LLVM_CONFIG=$LLVM_CONFIG.exe
2580           fi
2581           if test ! -x $LLVM_CONFIG; then
2582                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2583       fi
2584    else
2585       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2586       if test "x$LLVM_CONFIG" = "xno"; then
2587              AC_MSG_ERROR([llvm-config not found.])
2588       fi
2589    fi
2590
2591    llvm_codegen="x86codegen"
2592    case "$target" in
2593    arm*)
2594                 llvm_codegen="armcodegen"
2595                 ;;
2596    esac
2597
2598    if test "x$host_win32" = "xno"; then
2599
2600    # The output of --cflags seems to include optimizations flags too
2601    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2602    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2603    # from LLVM classes.
2604    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2605    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2606    # This might include empty lines
2607    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2608    if test "x$host" != "x$target"; then
2609       # No need for jit libs
2610       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2611    else
2612       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2613    fi
2614    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2615
2616    expected_llvm_version="3.4svn-mono-mono/e656cac"
2617
2618    # Should be something like '2.6' or '2.7svn'
2619    llvm_version=`$LLVM_CONFIG --version`
2620    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2621    AC_MSG_CHECKING(LLVM version)
2622    AC_MSG_RESULT($llvm_version)
2623    if echo $llvm_version | grep -q 'mono'; then
2624           if test "x$enable_llvm_version_check" == "xyes"; then
2625                  if test "$llvm_version" != "$expected_llvm_version"; then
2626                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2627                  fi
2628           fi
2629    else
2630           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2631    fi
2632
2633    else
2634        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2635        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2636        LLVM_LDFLAGS="-L$with_llvm/lib"
2637        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2638        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2639          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2640          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2641          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2642          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2643          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2644          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2645          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2646          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2647          -lLLVMSupport -lstdc++"
2648        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2649
2650        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2651        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2652    fi  
2653
2654    if test "x$llvm_api_version" = "x"; then
2655           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2656           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2657    else
2658           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2659           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2660    fi   
2661
2662    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2663
2664    AC_SUBST(LLVM_CFLAGS)
2665    AC_SUBST(LLVM_CXXFLAGS)
2666    AC_SUBST(LLVM_LIBS)
2667    AC_SUBST(LLVM_LDFLAGS)
2668    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2669 fi
2670
2671 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2672 if test "x$enable_loadedllvm" = "xyes"; then
2673    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2674 fi
2675 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2676
2677 TARGET="unknown"
2678 ACCESS_UNALIGNED="yes"
2679
2680 LIBC="libc.so.6"
2681 INTL="libc.so.6"
2682 SQLITE="libsqlite.so.0"
2683 SQLITE3="libsqlite3.so.0"
2684 X11="libX11.so"
2685 GDKX11="libgdk-x11-2.0.so.0"
2686 GTKX11="libgtk-x11-2.0.so.0"
2687 XINERAMA="libXinerama.so.1"
2688
2689 sizeof_register="SIZEOF_VOID_P"
2690
2691 jit_wanted=true
2692 boehm_supported=true
2693 case "$host" in
2694         mips*)
2695                 TARGET=MIPS;
2696                 arch_target=mips;
2697                 ACCESS_UNALIGNED="no"
2698
2699                 AC_MSG_CHECKING(for mips n32)
2700                 AC_TRY_COMPILE([],[
2701                 #if _MIPS_SIM != _ABIN32
2702                 #error Not mips n32
2703                 #endif
2704                 return 0;
2705                 ],[
2706                 AC_MSG_RESULT(yes)
2707                 sizeof_register=8
2708                 ],[
2709                 AC_MSG_RESULT(no)
2710                 ])
2711                 ;;
2712         i*86-*-*)
2713                 TARGET=X86;
2714                 arch_target=x86;
2715                 case $host_os in
2716                   solaris*)
2717                         LIBC="libc.so"
2718                         INTL="libintl.so"
2719                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2720                                 TARGET=AMD64
2721                                 arch_target=amd64
2722                         fi
2723
2724                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2725                         # int astruct __attribute__ ((visibility ("hidden")));
2726                         # void foo ()
2727                         # {
2728                         #       void *p = &astruct;
2729                         # }
2730                         # gcc -fPIC --shared -o libfoo.so foo.c
2731                         # yields:
2732                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2733                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2734                         have_visibility_hidden=no
2735                         ;;
2736                   mingw*|cygwin*)
2737                         have_visibility_hidden=no                 
2738                         ;;
2739                   haiku*)
2740                         LIBC=libroot.so
2741                         ;;
2742                   linux*)
2743                         AOT_SUPPORTED="yes"
2744                         ;;
2745                   darwin*)
2746                         AOT_SUPPORTED="yes"
2747                         ;;
2748                   openbsd*|freebsd*|kfreebsd-gnu*)
2749                         ;;
2750                 esac
2751                 ;;
2752         x86_64-*-* | amd64-*-*)
2753                 TARGET=AMD64;
2754                 arch_target=amd64;
2755                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2756                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2757                         sizeof_register=8
2758                 fi
2759                 case $host_os in
2760                   linux*)
2761                         AOT_SUPPORTED="yes"
2762                         ;;
2763                   darwin*)
2764                         AOT_SUPPORTED="yes"
2765                         ;;
2766                   openbsd*|freebsd*|kfreebsd-gnu*)
2767                         ;;
2768                   mingw*)
2769                         ;;
2770                 esac
2771                 case "$host" in
2772                         x86_64-*-nacl*)
2773                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2774                                 sizeof_register=8
2775                                 ;;
2776                 esac
2777                 ;;
2778         ia64-*-*)
2779                 TARGET=IA64
2780                 arch_target=ia64
2781                 ACCESS_UNALIGNED="no"
2782                 LIBC="libc.so.6.1"
2783                 INTL="libc.so.6.1"
2784                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2785                 libmono_ldflags="-lunwind"
2786                 ;;
2787         sparc*-*-*)
2788                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2789                    TARGET=SPARC64
2790                 else
2791                         TARGET=SPARC
2792                 fi
2793                 arch_target=sparc;
2794                 ACCESS_UNALIGNED="no"
2795                 case $host_os in
2796                   linux*) ;;
2797                   *)
2798                         LIBC="libc.so"
2799                         INTL="libintl.so"
2800                 esac
2801                 if test x"$GCC" = xyes; then
2802                         # We don't support v8 cpus
2803                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2804                 fi
2805                 if test x"$AR" = xfalse; then
2806                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2807                 fi
2808                 ;;
2809         *-mingw*|*-*-cygwin*)
2810                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2811                 have_visibility_hidden=no
2812                 INTL="intl"
2813                 ;;
2814         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2815         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2816                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2817                         TARGET=POWERPC64;
2818                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2819                         CFLAGS="$CFLAGS -mminimal-toc"
2820                 else
2821                         TARGET=POWERPC;
2822                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2823                 fi
2824                 arch_target=ppc;
2825                 case $host_os in
2826                   linux*|darwin*)
2827                         ;;
2828                 esac
2829                 ;;
2830         armv7k-*-darwin*)
2831                 TARGET=ARM;
2832                 TARGET_SYS=WATCHOS
2833                 arch_target=arm;
2834                 ACCESS_UNALIGNED="no"
2835                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2836                 ;;
2837
2838         arm*-darwin*)
2839                 TARGET=ARM;
2840                 arch_target=arm;
2841                 ACCESS_UNALIGNED="no"
2842                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2843                 ;;
2844         arm*-linux*)
2845                 TARGET=ARM;
2846                 arch_target=arm;
2847                 ACCESS_UNALIGNED="no"
2848                 AOT_SUPPORTED="yes"
2849                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2850                 ;;
2851 # TODO: make proper support for NaCl host.
2852 #        arm*-*nacl)
2853 #               TARGET=ARM;
2854 #               arch_target=arm;
2855 #               ACCESS_UNALIGNED="no"
2856 #               AOT_SUPPORTED="no"
2857 #               ;;
2858         aarch64-*)
2859                 # https://lkml.org/lkml/2012/7/15/133
2860                 TARGET=ARM64
2861                 arch_target=arm64
2862                 boehm_supported=false
2863                 ;;
2864         s390x-*-linux*)
2865                 TARGET=S390X;
2866                 arch_target=s390x;
2867                 ACCESS_UNALIGNED="yes"
2868                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2869                 ;;
2870 esac
2871
2872 HOST=$TARGET
2873
2874 if test "x$host" != "x$target"; then
2875    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2876    enable_mcs_build=no
2877    case "$target" in
2878    arm*-darwin*)
2879                 TARGET=ARM;
2880                 arch_target=arm;
2881                 ACCESS_UNALIGNED="no"
2882                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2883                 # Can't use tls, since it depends on the runtime detection of tls offsets
2884                 # in mono-compiler.h
2885                 with_tls=pthread
2886                 case "$target" in
2887                 armv7k-*)
2888                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
2889                         ;;
2890                 esac            
2891                 ;;
2892    powerpc64-ps3-linux-gnu)
2893                 TARGET=POWERPC64
2894                 arch_target=powerpc64
2895                 AC_DEFINE(TARGET_PS3, 1, [...])
2896                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2897                 # uses this define
2898                 AC_DEFINE(__mono_ppc64__, 1, [...])
2899                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2900                 sizeof_register=8
2901                 target_byte_order=G_BIG_ENDIAN
2902                 ;;
2903    powerpc64-xbox360-linux-gnu)
2904                 TARGET=POWERPC64
2905                 arch_target=powerpc64
2906                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2907                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2908                 # uses this define
2909                 sizeof_register=8
2910                 target_byte_order=G_BIG_ENDIAN
2911                 ;;
2912    x86_64-*-nacl)
2913                 TARGET=AMD64
2914                 arch_target=amd64
2915                 AC_DEFINE(TARGET_AMD64, 1, [...])
2916                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2917                 sizeof_register=8
2918                 ;;
2919 # TODO: make proper support for NaCl target.
2920 #   arm*-*nacl)
2921 #               TARGET=ARM
2922 #               arch_target=arm
2923 #               AC_DEFINE(TARGET_ARM, 1, [...])
2924 #               ACCESS_UNALIGNED="no"
2925 #               sizeof_register=4
2926 #               CPPFLAGS="$CPPFLAGS \
2927 #                    -D__ARM_EABI__ \
2928 #                    -D__arm__ \
2929 #                    -D__portable_native_client__ \
2930 #                    -Dtimezone=_timezone \
2931 #                    -DDISABLE_SOCKETS \
2932 #                    -DDISABLE_ATTACH \
2933 #                    -DUSE_NEWLIB"
2934                 # Can't use tls, since it depends on the runtime detection of tls offsets
2935                 # in mono-compiler.h
2936 #               with_tls=pthread
2937 #               ;;
2938    i686-*-nacl)
2939                 TARGET=X86
2940                 arch_target=x86
2941                 AC_DEFINE(TARGET_X86, 1, [...])
2942                 sizeof_register=4
2943                 ;;
2944    arm*-linux-*)
2945                 TARGET=ARM;
2946                 arch_target=arm;
2947                 AC_DEFINE(TARGET_ARM, 1, [...])
2948                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2949                 ACCESS_UNALIGNED="no"
2950                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2951                 # Can't use tls, since it depends on the runtime detection of tls offsets
2952                 # in mono-compiler.h
2953                 with_tls=pthread
2954                 target_mach=no
2955                 case "$target" in
2956                 armv7l-unknown-linux-gnueabi*)
2957                         # TEGRA
2958                         CPPFLAGS="$CPPFLAGS"
2959                         ;;
2960                 armv5-*-linux-androideabi*)
2961                         CPPFLAGS="$CPPFLAGS"
2962                         ;;
2963                 esac
2964                 ;;
2965    i686*-linux-*)
2966                 TARGET=X86;
2967                 arch_target=x86;
2968                 AC_DEFINE(TARGET_X86, 1, [...])
2969                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2970                 CPPFLAGS="$CPPFLAGS"
2971                 # Can't use tls, since it depends on the runtime detection of tls offsets
2972                 # in mono-compiler.h            
2973                 with_tls=pthread
2974                 target_mach=no
2975                 ;;
2976    x86_64*-linux-*)
2977                 TARGET=AMD64;
2978                 arch_target=amd64;
2979                 AC_DEFINE(TARGET_AMD64, 1, [...])
2980                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2981                 CPPFLAGS="$CPPFLAGS"
2982                 # Can't use tls, since it depends on the runtime detection of tls offsets
2983                 # in mono-compiler.h
2984                 with_tls=pthread
2985                 target_mach=no
2986                 ;;
2987    x86_64-ps4-freebsd)
2988                 TARGET=AMD64;
2989                 arch_target=amd64;
2990                 AC_DEFINE(TARGET_AMD64, 1, [...])
2991                 AC_DEFINE(TARGET_PS4, 1, [...])
2992                 CPPFLAGS="$CPPFLAGS"
2993                 # Can't use tls, since it depends on the runtime detection of tls offsets
2994                 # in mono-compiler.h
2995                 with_tls=pthread
2996                 target_mach=no
2997                 target_win32=no
2998                 ;;
2999    aarch64*-linux-*)
3000                 TARGET=ARM64;
3001                 arch_target=arm64;
3002                 AC_DEFINE(TARGET_ARM64, 1, [...])
3003                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3004                 CPPFLAGS="$CPPFLAGS"
3005                 # Can't use tls, since it depends on the runtime detection of tls offsets
3006                 # in mono-compiler.h
3007                 with_tls=pthread
3008                 target_mach=no
3009                 ;;
3010         aarch64-*)
3011                 TARGET=ARM64
3012                 ;;
3013         *)
3014                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3015         esac
3016 fi
3017
3018 case "$TARGET" in
3019 X86)
3020         AC_DEFINE(TARGET_X86, 1, [...])
3021         ;;
3022 AMD64)
3023         AC_DEFINE(TARGET_AMD64, 1, [...])
3024         ;;
3025 ARM)
3026         AC_DEFINE(TARGET_ARM, 1, [...])
3027         ;;
3028 ARM64)
3029         AC_DEFINE(TARGET_ARM64, 1, [...])
3030         ;;
3031 POWERPC)
3032         AC_DEFINE(TARGET_POWERPC, 1, [...])
3033         ;;
3034 POWERPC64)
3035         AC_DEFINE(TARGET_POWERPC, 1, [...])
3036         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3037         ;;
3038 S390X)
3039         AC_DEFINE(TARGET_S390X, 1, [...])
3040         ;;
3041 MIPS)
3042         AC_DEFINE(TARGET_MIPS, 1, [...])
3043         ;;
3044 IA64)
3045         AC_DEFINE(TARGET_IA64, 1, [...])
3046         ;;
3047 SPARC)
3048         AC_DEFINE(TARGET_SPARC, 1, [...])
3049         ;;
3050 SPARC64)
3051         AC_DEFINE(TARGET_SPARC64, 1, [...])
3052         ;;
3053 esac
3054
3055 dnl *************
3056 dnl *** VTUNE ***
3057 dnl *************
3058
3059 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3060 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3061
3062 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3063
3064 if test "x$enable_vtune" = "xyes"; then
3065         if test "x$with_vtune" = "x"; then
3066                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3067         else
3068                 VTUNE_PATH=$with_vtune
3069         fi
3070         VTUNE_INCLUDE=$VTUNE_PATH/include
3071         case "$TARGET" in
3072         X86)
3073                 VTUNE_LIB=$VTUNE_PATH/lib32
3074                 ;;
3075         AMD64)
3076                 VTUNE_LIB=$VTUNE_PATH/lib64
3077                 ;;
3078         *)
3079                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3080                 ;;
3081         esac
3082         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3083                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3084         fi
3085         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3086                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3087         fi
3088
3089         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3090         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3091
3092         AC_SUBST(VTUNE_LIBS)
3093         AC_SUBST(VTUNE_CFLAGS)
3094 fi
3095 dnl Use GCC atomic ops if they work on the target.
3096 if test x$GCC = "xyes"; then
3097         case $TARGET in
3098         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3099                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3100                 ;;
3101         esac
3102 fi
3103
3104 if test "x$target_mach" = "xyes"; then
3105
3106    if test "x$TARGET_SYS" = "xWATCHOS"; then
3107           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3108           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3109           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3110    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3111           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3112           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3113           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3114    else
3115        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3116        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3117        #error fail this for ios
3118        #endif
3119        return 0;
3120        ], [
3121                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3122           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3123           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3124        ], [
3125           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3126           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3127           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3128        ])
3129         fi
3130    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3131 fi
3132
3133 if test "x$sizeof_register" = "x4"; then
3134    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3135 elif test "x$sizeof_register" = "x8"; then
3136    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3137 else
3138    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3139 fi
3140
3141 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3142    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3143 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3144    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3145 else
3146    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3147 fi
3148
3149 if test "x$have_visibility_hidden" = "xyes"; then
3150    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3151 fi
3152
3153 if test "x$have_deprecated" = "xyes"; then
3154    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3155 fi
3156
3157 dnl 
3158 dnl Simple Generational checks (sgen)
3159 dnl
3160 SGEN_DEFINES=
3161 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3162 if test x$buildsgen = xyes; then
3163    SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3164    gc_msg="sgen and $gc_msg"
3165 fi
3166 AC_SUBST(SGEN_DEFINES)
3167 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3168
3169 jit_status="Building and using the JIT"
3170
3171 libsuffix=".so"
3172
3173 case "$host" in
3174      *-*-darwin*)
3175         libsuffix=".dylib"
3176         LIBC="libc.dylib"
3177         INTL="libintl.dylib"
3178         SQLITE="libsqlite.0.dylib"
3179         SQLITE3="libsqlite3.0.dylib"
3180         X11="libX11.dylib"
3181         GDKX11="libgdk-x11-2.0.dylib"
3182         GTKX11="libgtk-x11-2.0.dylib"
3183         ;;
3184      *-*-*netbsd*)
3185         LIBC="libc.so.12"
3186         INTL="libintl.so.0"
3187         ;;
3188      *-*-kfreebsd*-gnu)
3189         LIBC="libc.so.0.1"
3190         INTL="libc.so.0.1"
3191         X11="libX11.so.6"
3192         ;;
3193     *-*-*freebsd*)
3194         LIBC="libc.so.7"
3195         INTL="libintl.so"
3196         SQLITE="libsqlite.so"
3197         SQLITE3="libsqlite3.so"
3198         ;;
3199     *-*-*openbsd*)
3200         LIBC="libc.so"
3201         INTL="libintl.so"
3202         SQLITE="libsqlite.so"
3203         SQLITE3="libsqlite3.so"
3204         ;;
3205     *-*-*linux*)
3206         AC_PATH_X
3207         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3208         AC_MSG_CHECKING(for the soname of libX11.so)
3209         for i in $x_libraries $dlsearch_path; do
3210                 for r in 4 5 6; do
3211                         if test -f $i/libX11.so.$r; then
3212                                 X11=libX11.so.$r
3213                                 AC_MSG_RESULT($X11)
3214                         fi
3215                 done
3216         done
3217         
3218         if test "x$X11" = "xlibX11.so"; then
3219                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3220                 X11=libX11.so.6
3221         fi
3222         ;;
3223 esac
3224
3225
3226 AC_SUBST(libsuffix)
3227
3228 AC_ARG_WITH([libgdiplus],
3229         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3230         [], [with_libgdiplus=installed])
3231
3232 # default install location
3233 libgdiplus_install_loc=libgdiplus${libsuffix}
3234 case $with_libgdiplus in
3235     no|installed)
3236     libgdiplus_loc=
3237     ;;
3238
3239     yes|sibling)
3240     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3241     ;;
3242
3243     /*) # absolute path, assume it is an install location
3244     libgdiplus_loc=$with_libgdiplus
3245     libgdiplus_install_loc=$with_libgdiplus
3246     ;;
3247
3248     *)
3249     libgdiplus_loc=`pwd`/$with_libgdiplus
3250     ;;
3251 esac
3252 AC_SUBST([libgdiplus_loc])
3253 AC_SUBST([libgdiplus_install_loc])
3254
3255 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3256 if test "x$icall_symbol_map" = "xyes"; then
3257    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3258 fi
3259
3260 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3261 if test "x$icall_export" = "xyes"; then
3262    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3263 fi
3264
3265 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3266 if test "x$icall_tables" = "xno"; then
3267    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3268 fi
3269
3270 if test "x$with_tls" = "x__thread"; then
3271         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3272         # Pass the information to libgc
3273         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3274         AC_MSG_CHECKING(if the tls_model attribute is supported)
3275         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3276                 ], [
3277                         AC_MSG_RESULT(yes)
3278                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3279                 ], [
3280                         AC_MSG_RESULT(no)
3281         ])
3282 fi
3283
3284 if test ${TARGET} = ARM; then
3285         dnl ******************************************
3286         dnl *** Check to see what FPU is available ***
3287         dnl ******************************************
3288         AC_MSG_CHECKING(which FPU to use)
3289
3290         #
3291         # This is a bit tricky:
3292         #
3293         # if (__ARM_PCS_VFP) {
3294         #       /* mfloat-abi=hard == VFP with hard ABI */
3295         # } elif (!__SOFTFP__) {
3296         #       /* mfloat-abi=softfp == VFP with soft ABI */
3297         # } else {
3298         #       /* mfloat-abi=soft == no VFP */
3299         # }
3300         #
3301         # The exception is iOS (w/ GCC) where none of the above
3302         # are defined (but iOS always uses the 'softfp' ABI).
3303         #
3304         # No support for FPA.
3305         #
3306
3307         fpu=NONE
3308
3309         # iOS GCC always uses the 'softfp' ABI.
3310         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3311                 fpu=VFP
3312         fi
3313
3314         # Are we using the 'hard' ABI?
3315         if test x$fpu = xNONE; then
3316                 AC_TRY_COMPILE([], [
3317                         #ifndef __ARM_PCS_VFP
3318                         #error "Float ABI is not 'hard'"
3319                         #endif
3320                         return 0;
3321                 ], [
3322                         fpu=VFP_HARD
3323                 ], [
3324                         fpu=NONE
3325                 ])
3326         fi
3327
3328         # No 'hard' ABI. 'soft' or 'softfp'?
3329         if test x$fpu = xNONE; then
3330                 AC_TRY_COMPILE([], [
3331                         #ifdef __SOFTFP__
3332                         #error "Float ABI is not 'softfp'"
3333                         #endif
3334                         return 0;
3335                 ], [
3336                         fpu=VFP
3337                 ], [
3338                         fpu=NONE
3339                 ])
3340         fi
3341
3342         AC_MSG_RESULT($fpu)
3343         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3344         unset fpu
3345
3346         dnl *********************************************
3347         dnl *** Check which ARM version(s) we can use ***
3348         dnl *********************************************
3349         AC_MSG_CHECKING(which ARM version to use)
3350
3351         AC_TRY_COMPILE([], [
3352                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3353                 #error Not on ARM v5.
3354                 #endif
3355                 return 0;
3356         ], [
3357                 arm_v5=yes
3358
3359                 arm_ver=ARMv5
3360         ], [])
3361
3362         AC_TRY_COMPILE([], [
3363                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3364                 #error Not on ARM v6.
3365                 #endif
3366                 return 0;
3367         ], [
3368                 arm_v5=yes
3369                 arm_v6=yes
3370
3371                 arm_ver=ARMv6
3372         ], [])
3373
3374         AC_TRY_COMPILE([], [
3375                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3376                 #error Not on ARM v7.
3377                 #endif
3378                 return 0;
3379         ], [
3380                 arm_v5=yes
3381                 arm_v6=yes
3382                 arm_v7=yes
3383
3384                 arm_ver=ARMv7
3385         ], [])
3386
3387         AC_MSG_RESULT($arm_ver)
3388
3389         if test x$arm_v5 = xyes; then
3390                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3391                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3392         fi
3393
3394         if test x$arm_v6 = xyes; then
3395                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3396                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3397         fi
3398
3399         if test x$arm_v7 = xyes; then
3400                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3401                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3402         fi
3403 fi
3404
3405 if test ${TARGET} = ARM; then
3406         if test "x${with_jumptables}" = "xyes"; then
3407                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3408         fi
3409 fi
3410
3411 if test ${TARGET} = unknown; then
3412         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3413         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3414 fi
3415
3416 if test ${ACCESS_UNALIGNED} = no; then
3417         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3418 fi
3419
3420 case "x$libgc" in
3421         xincluded)
3422                 # Pass CPPFLAGS to libgc configure
3423                 # We should use a separate variable for this to avoid passing useless and
3424                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3425                 # This should be executed late so we pick up the final version of CPPFLAGS
3426                 # The problem with this approach, is that during a reconfigure, the main
3427                 # configure scripts gets invoked with these arguments, so we use separate
3428                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3429                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3430                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3431                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3432                 fi
3433                 # Don't pass -finstrument-for-thread-suspension in, 
3434                 # if these are instrumented it will be very bad news 
3435                 # (infinite recursion, undefined parking behavior, etc)
3436                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3437                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3438                 if test "x$support_boehm" = "xyes"; then
3439                         AC_CONFIG_SUBDIRS(libgc)
3440                 fi
3441                 ;;
3442 esac
3443
3444 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.6 FX (defaults to yes)],                 [], [with_profile4_x=yes])
3445 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=no])
3446 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=no])
3447 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=no])
3448 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=no])
3449 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=no])
3450
3451 OPROFILE=no
3452 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3453         if test x$with_oprofile != xno; then
3454             oprofile_include=$with_oprofile/include
3455             if test ! -f $oprofile_include/opagent.h; then
3456                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3457                 fi
3458             OPROFILE=yes
3459                 OPROFILE_CFLAGS="-I$oprofile_include"
3460             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3461             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3462         fi
3463 ])
3464
3465 MALLOC_MEMPOOLS=no
3466 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3467         if test x$with_malloc_mempools = xyes; then
3468                 MALLOC_MEMPOOLS=yes
3469                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3470         fi
3471 ])
3472
3473
3474 DISABLE_MCS_DOCS=no
3475 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3476         if test x$with_mcs_docs != xyes; then
3477                 DISABLE_MCS_DOCS=yes
3478         fi
3479 ])
3480 if test x$with_profile4_x != xyes; then
3481         DISABLE_MCS_DOCS=yes
3482 fi
3483
3484 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)],[
3485         if test x$with_lazy_gc_thread_creation != xno ; then
3486                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3487         fi
3488 ], [with_lazy_gc_thread_creation=no])
3489
3490 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3491         if test x$with_cooperative_gc != xno ; then
3492                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3493         fi
3494 ], [with_cooperative_gc=no])
3495
3496 AC_ARG_WITH(checked_build, [  --with-checked-build=yes|no      Enable checked build (expensive asserts)) (defaults to no)],[
3497         if test x$with_checked_build != xno ; then
3498                 AC_DEFINE(CHECKED_BUILD,1,[Enable checked build.])
3499         fi
3500 ], [with_checked_build=no])
3501
3502
3503 AC_CHECK_HEADER([malloc.h], 
3504                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3505                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3506
3507 if test x"$GCC" = xyes; then
3508         # Implicit function declarations are not 64 bit safe
3509         # Do this late, since this causes lots of configure tests to fail
3510         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3511         # jay has a lot of implicit declarations
3512         JAY_CFLAGS="-Wno-implicit-function-declaration"
3513 fi
3514
3515 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3516 # instead of libmono-static.a
3517 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3518    LIBMONO_LA=libmini-static.la
3519 else
3520    if test x$buildsgen = xyes; then
3521       LIBMONO_LA=libmonosgen-$API_VER.la
3522    else
3523       LIBMONO_LA=libmonoboehm-$API_VER.la
3524    fi
3525 fi
3526 AC_SUBST(LIBMONO_LA)
3527
3528 dnl
3529 dnl Consistency settings
3530 dnl
3531 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3532    DISABLE_MCS_DOCS=yes
3533    with_profile4_x=no
3534    with_monodroid=no
3535    with_monotouch=no
3536    with_monotouch_watch=no
3537    with_monotouch_tv=no
3538    with_xammac=no
3539 fi
3540
3541 if test x$DISABLE_MCS_DOCS = xyes; then
3542    docs_dir=""
3543 else
3544    docs_dir=docs
3545 fi
3546 AC_SUBST(docs_dir)
3547
3548 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3549 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3550
3551 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3552 AC_SUBST(OPROFILE_CFLAGS)
3553 AC_SUBST(OPROFILE_LIBS)
3554
3555 libmono_ldflags="$libmono_ldflags $LIBS"
3556
3557 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3558 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3559 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3560 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
3561 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
3562 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3563
3564 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3565 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3566 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3567 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3568 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3569 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3570 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3571 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3572 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3573 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3574 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3575 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3576 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3577 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3578 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3579 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3580 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3581 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3582
3583 AC_SUBST(LIBC)
3584 AC_SUBST(INTL)
3585 AC_SUBST(SQLITE)
3586 AC_SUBST(SQLITE3)
3587 AC_SUBST(X11)
3588 AC_SUBST(GDKX11)
3589 AC_SUBST(GTKX11)
3590 AC_SUBST(XINERAMA)
3591 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3592 AC_SUBST(arch_target)
3593 AC_SUBST(CFLAGS)
3594 AC_SUBST(CPPFLAGS)
3595 AC_SUBST(LDFLAGS)
3596
3597 mono_build_root=`pwd`
3598 AC_SUBST(mono_build_root)
3599
3600 mono_runtime=mono/mini/mono
3601 AC_SUBST(mono_runtime)
3602
3603 mono_cfg_root=$mono_build_root/runtime
3604 if test x$host_win32 = xyes; then
3605   if test "x$cross_compiling" = "xno"; then
3606     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3607   else
3608     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3609   fi
3610 else
3611   mono_cfg_dir=$mono_cfg_root/etc
3612 fi
3613 AC_SUBST(mono_cfg_dir)
3614
3615 default_profile=net_4_x
3616 if test -z "$INSTALL_MONODROID_TRUE"; then :
3617    default_profile=monodroid
3618 fi
3619 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3620    default_profile=monotouch
3621 fi
3622 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3623    default_profile=xammac
3624 fi
3625 if test -z "$INSTALL_4_x_TRUE"; then :
3626    default_profile=net_4_x
3627 fi
3628 DEFAULT_PROFILE=$default_profile
3629 AC_SUBST(DEFAULT_PROFILE)
3630
3631 AC_CONFIG_FILES([po/mcs/Makefile.in])
3632
3633 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3634 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3635
3636 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3637 [   depth=../../../..
3638     case $srcdir in
3639     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3640     .) reldir=$depth ;;
3641     *) reldir=$depth/$srcdir ;;
3642     esac
3643     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3644     cd runtime/etc/mono/1.0
3645     rm -f machine.config
3646     $LN_S $reldir/data/net_1_1/machine.config machine.config
3647     cd $depth
3648 ],[LN_S='$LN_S'])
3649
3650 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3651 [   depth=../../../..
3652     case $srcdir in
3653     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3654     .) reldir=$depth ;;
3655     *) reldir=$depth/$srcdir ;;
3656     esac
3657     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3658     cd runtime/etc/mono/2.0
3659     rm -f machine.config
3660     $LN_S $reldir/data/net_2_0/machine.config machine.config
3661     cd $depth
3662 ],[LN_S='$LN_S'])
3663
3664 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3665 [   depth=../../../..
3666     case $srcdir in
3667     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3668     .) reldir=$depth ;;
3669     *) reldir=$depth/$srcdir ;;
3670     esac
3671     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3672     cd runtime/etc/mono/2.0
3673     rm -f web.config
3674     $LN_S $reldir/data/net_2_0/web.config web.config
3675     cd $depth
3676 ],[LN_S='$LN_S'])
3677
3678 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3679 [   depth=../../..
3680     case $srcdir in
3681     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3682     .) reldir=$depth ;;
3683     *) reldir=$depth/$srcdir ;;
3684     esac
3685     $ac_aux_dir/install-sh -d runtime/etc/mono/
3686     cd runtime/etc/mono/
3687     rm -f browscap.ini
3688     $LN_S $reldir/data/browscap.ini browscap.ini
3689     cd $depth
3690 ],[LN_S='$LN_S'])
3691
3692 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3693 [   depth=../../../../..
3694     case $srcdir in
3695     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3696     .) reldir=$depth ;;
3697     *) reldir=$depth/$srcdir ;;
3698     esac
3699     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3700     cd runtime/etc/mono/2.0/Browsers
3701     rm -f Compat.browser
3702     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3703     cd $depth
3704 ],[LN_S='$LN_S'])
3705
3706 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3707 [   depth=../../../../..
3708     case $srcdir in
3709     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3710     .) reldir=$depth ;;
3711     *) reldir=$depth/$srcdir ;;
3712     esac
3713     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3714     cd runtime/etc/mono/4.0/Browsers
3715     rm -f Compat.browser
3716     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3717     cd $depth
3718 ],[LN_S='$LN_S'])
3719
3720 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3721 [   depth=../../../../..
3722     case $srcdir in
3723     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3724     .) reldir=$depth ;;
3725     *) reldir=$depth/$srcdir ;;
3726     esac
3727     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3728     cd runtime/etc/mono/4.5/Browsers
3729     rm -f Compat.browser
3730     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3731     cd $depth
3732 ],[LN_S='$LN_S'])
3733
3734 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3735 [   depth=../../../..
3736     case $srcdir in
3737     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3738     .) reldir=$depth ;;
3739     *) reldir=$depth/$srcdir ;;
3740     esac
3741     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3742     cd runtime/etc/mono/4.0
3743     rm -f machine.config
3744     $LN_S $reldir/data/net_4_0/machine.config machine.config
3745     cd $depth
3746 ],[LN_S='$LN_S'])
3747
3748 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3749 [   depth=../../../..
3750     case $srcdir in
3751     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3752     .) reldir=$depth ;;
3753     *) reldir=$depth/$srcdir ;;
3754     esac
3755     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3756     cd runtime/etc/mono/4.0
3757     rm -f web.config
3758     $LN_S $reldir/data/net_4_0/web.config web.config
3759     cd $depth
3760 ],[LN_S='$LN_S'])
3761
3762 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3763 [   depth=../../../..
3764     case $srcdir in
3765     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3766     .) reldir=$depth ;;
3767     *) reldir=$depth/$srcdir ;;
3768     esac
3769     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3770     cd runtime/etc/mono/4.5
3771     rm -f machine.config
3772     $LN_S $reldir/data/net_4_5/machine.config machine.config
3773     cd $depth
3774 ],[LN_S='$LN_S'])
3775
3776 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3777 [   depth=../../../..
3778     case $srcdir in
3779     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3780     .) reldir=$depth ;;
3781     *) reldir=$depth/$srcdir ;;
3782     esac
3783     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3784     cd runtime/etc/mono/4.5
3785     rm -f web.config
3786     $LN_S $reldir/data/net_4_5/web.config web.config
3787     cd $depth
3788 ],[LN_S='$LN_S'])
3789
3790 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])
3791 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])
3792
3793 AC_OUTPUT([
3794 Makefile
3795 mono-uninstalled.pc
3796 scripts/mono-find-provides
3797 scripts/mono-find-requires
3798 mono/Makefile
3799 mono/utils/Makefile
3800 mono/metadata/Makefile
3801 mono/dis/Makefile
3802 mono/cil/Makefile
3803 mono/arch/Makefile
3804 mono/arch/x86/Makefile
3805 mono/arch/amd64/Makefile
3806 mono/arch/ppc/Makefile
3807 mono/arch/sparc/Makefile
3808 mono/arch/s390x/Makefile
3809 mono/arch/arm/Makefile
3810 mono/arch/arm64/Makefile
3811 mono/arch/ia64/Makefile
3812 mono/arch/mips/Makefile
3813 mono/sgen/Makefile
3814 mono/tests/Makefile
3815 mono/tests/tests-config
3816 mono/tests/assemblyresolve/Makefile
3817 mono/tests/gc-descriptors/Makefile
3818 mono/unit-tests/Makefile
3819 mono/benchmark/Makefile
3820 mono/io-layer/Makefile
3821 mono/mini/Makefile
3822 mono/profiler/Makefile
3823 m4/Makefile
3824 ikvm-native/Makefile
3825 scripts/Makefile
3826 man/Makefile
3827 docs/Makefile
3828 data/Makefile
3829 data/net_2_0/Makefile
3830 data/net_4_0/Makefile
3831 data/net_4_5/Makefile
3832 data/net_2_0/Browsers/Makefile
3833 data/net_4_0/Browsers/Makefile
3834 data/net_4_5/Browsers/Makefile
3835 data/mint.pc
3836 data/mono-2.pc
3837 data/monosgen-2.pc
3838 data/mono.pc
3839 data/mono-cairo.pc
3840 data/mono-nunit.pc
3841 data/mono-options.pc
3842 data/mono-lineeditor.pc
3843 data/monodoc.pc
3844 data/dotnet.pc
3845 data/dotnet35.pc
3846 data/wcf.pc
3847 data/cecil.pc
3848 data/system.web.extensions_1.0.pc
3849 data/system.web.extensions.design_1.0.pc
3850 data/system.web.mvc.pc
3851 data/system.web.mvc2.pc
3852 data/system.web.mvc3.pc
3853 data/aspnetwebstack.pc
3854 data/reactive.pc
3855 samples/Makefile
3856 support/Makefile
3857 data/config
3858 tools/Makefile
3859 tools/locale-builder/Makefile
3860 tools/sgen/Makefile
3861 tools/monograph/Makefile
3862 runtime/Makefile
3863 msvc/Makefile
3864 po/Makefile
3865 ])
3866
3867 # Update all submodules recursively to ensure everything is checked out
3868 $srcdir/scripts/update_submodules
3869
3870 if test x$host_win32 = xyes; then
3871    # Get rid of 'cyg' prefixes in library names
3872    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3873    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3874    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3875    # executable doesn't work...
3876    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3877 fi
3878
3879 if test x$host_darwin = xyes; then
3880    # This doesn't seem to be required and it slows down parallel builds
3881    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3882 fi
3883
3884 (
3885   case $prefix in
3886   NONE) prefix=$ac_default_prefix ;;
3887   esac
3888   case $exec_prefix in
3889   NONE) exec_prefix='${prefix}' ;;
3890   esac
3891
3892   #
3893   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3894   # any existing config.make.  This allows people to share the same source tree
3895   # with different build directories, one native and one cross
3896   #
3897   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3898
3899     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3900
3901     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3902     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3903     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3904     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3905     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3906     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3907     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3908     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3909
3910     case $INSTALL in
3911     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3912     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3913     esac
3914
3915     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3916
3917     export VERSION
3918     [myver=$($AWK 'BEGIN {
3919       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3920       if(length(vsplit [1]) > 4) {
3921         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3922       }
3923       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3924     }')]
3925
3926     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3927
3928     if test x$host_darwin = xyes; then
3929       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3930     fi
3931
3932         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3933            enable_system_aot=yes
3934         fi
3935
3936     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3937       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3938     fi
3939
3940     if test x$DISABLE_MCS_DOCS = xyes; then
3941       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3942     fi
3943
3944     if test x$has_extension_module != xno; then
3945         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3946     fi
3947     
3948     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3949     
3950     if test "x$test_bcl_opt" = "xyes"; then    
3951       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3952     fi
3953
3954   fi
3955
3956 )
3957
3958 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3959
3960 echo "
3961         mcs source:    $mcsdir
3962
3963    Engine:
3964         Host:          $host
3965         Target:        $target
3966         GC:            $gc_msg 
3967         TLS:           $with_tls
3968         SIGALTSTACK:   $with_sigaltstack
3969         Engine:        $jit_status
3970         oprofile:      $OPROFILE
3971         BigArrays:     $enable_big_arrays
3972         DTrace:        $enable_dtrace
3973         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3974
3975    Libraries:
3976         .NET 4.6:        $with_profile4_x
3977         Xamarin.Android: $with_monodroid
3978         Xamarin.iOS:     $with_monotouch
3979         Xamarin.WatchOS: $with_monotouch_watch
3980         Xamarin.TVOS:    $with_monotouch_tv
3981         Xamarin.Mac:     $with_xammac
3982         JNI support:     $jdk_headers_found
3983         libgdiplus:      $libgdiplus_msg
3984         zlib:            $zlib_msg
3985         $disabled
3986 "
3987 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3988    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3989 fi