[mcs] eval.cs: add ValueModificationHandler delegate to be more clear
[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, [3.6.1],
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 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 # libgc uses some deprecated APIs
63 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
64
65 #
66 # These are the flags that need to be stored in the mono.pc file for 
67 # compiling code that will embed Mono
68 #
69 libmono_cflags=""
70 libmono_ldflags=""
71 AC_SUBST(libmono_cflags)
72 AC_SUBST(libmono_ldflags)
73
74 # Variable to have relocatable .pc files (lib, or lib64)
75 reloc_libdir=`basename ${libdir}`
76 AC_SUBST(reloc_libdir)
77
78 dnl if linker handles the version script
79 no_version_script=no
80
81 # Set to yes if Unix sockets cannot be created in an anonymous namespace
82 need_link_unlink=no
83
84 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
85 extra_runtime_ldflags=""
86
87 # Thread configuration inspired by sleepycat's db
88 AC_MSG_CHECKING([host platform characteristics])
89 libgc_threads=no
90 has_dtrace=no
91 parallel_mark=yes
92 ikvm_native=yes
93
94 case "$host" in
95         powerpc*-*-linux*)
96                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
97                 disable_munmap=yes
98         ;;
99 esac
100
101 host_win32=no
102 target_win32=no
103 platform_android=no
104 platform_darwin=no
105 case "$host" in
106         *-mingw*|*-*-cygwin*)
107                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
108                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
109                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
110                 host_win32=yes
111                 mono_cv_clang=no
112                 if test "x$cross_compiling" = "xno"; then
113                         target_win32=yes
114                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
115                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
116                         fi
117                 else
118                         target_win32=yes
119                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
120                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
121                 fi
122                 HOST_CC="gcc"
123                 # Windows 2000 is required that includes Internet Explorer 5.01
124                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
125                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
126                 libmono_cflags="-mms-bitfields -mwindows"
127                 libmono_ldflags="-mms-bitfields -mwindows"
128                 libdl=
129                 libgc_threads=win32
130                 gc_default=included
131                 with_sigaltstack=no
132                 with_tls=pthread
133                 LN_S=cp
134                 # This forces libgc to use the DllMain based thread registration code on win32
135                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
136                 ;;
137         *-*-*netbsd*)
138                 host_win32=no
139                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
140                 libmono_cflags="-D_REENTRANT"
141                 LDFLAGS="$LDFLAGS -pthread"
142                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
143                 libmono_ldflags="-pthread"
144                 need_link_unlink=yes
145                 libdl="-ldl"
146                 libgc_threads=pthreads
147                 with_sigaltstack=no
148                 use_sigposix=yes
149                 ;;
150         *-*-*freebsd*)
151                 host_win32=no
152                 if test "x$PTHREAD_CFLAGS" = "x"; then
153                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
154                         libmono_cflags=
155                 else
156                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
157                         libmono_cflags="$PTHREAD_CFLAGS"
158                 fi
159                 if test "x$PTHREAD_LIBS" = "x"; then
160                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
161                         libmono_ldflags="-pthread"
162                 else
163                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
164                         libmono_ldflags="$PTHREAD_LIBS"
165                 fi
166                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
167                 need_link_unlink=yes
168                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
169                 libdl=
170                 libgc_threads=pthreads
171                 use_sigposix=yes
172                 has_dtrace=yes
173                 ;;
174         *-*-*openbsd*)
175                 host_win32=no
176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
177                 if test "x$disable_munmap" != "xyes"; then
178                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
179                 fi
180                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
181                 LDFLAGS="$LDFLAGS -pthread"
182                 need_link_unlink=yes
183                 AC_DEFINE(PTHREAD_POINTER_ID)
184                 libdl=
185                 gc_default=boehm
186                 libgc_threads=pthreads
187                 with_sigaltstack=no
188                 use_sigposix=yes
189                 ;;
190         *-*-linux-android*)
191                 host_win32=no
192                 platform_android=yes
193                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
194                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
195
196                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
197                 if test "x$disable_munmap" != "xyes"; then
198                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
199                 fi
200                 libmono_cflags="-D_REENTRANT"
201                 libdl="-ldl"
202                 libgc_threads=pthreads
203                 use_sigposix=yes
204
205                 with_tls=pthread
206                 with_sigaltstack=no
207                 with_static_mono=no
208
209                 # Android doesn't support boehm, as it's missing <link.h>
210                 support_boehm=no
211                 with_gc=sgen
212
213                 # isinf(3) requires -lm; see isinf check below
214                 LDFLAGS="$LDFLAGS -lm"
215
216                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
217                 # PAGE_SIZE; breaks mono/io-layer/collection.c
218                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
219                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
220                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
221
222                 # The configure check can't detect this
223                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
224
225                 # to bypass the underscore linker check, can't work when cross-compiling
226                 mono_cv_uscore=yes
227                 mono_cv_clang=no
228                 ;;
229         *-*-linux*)
230                 host_win32=no
231                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
232                 if test "x$disable_munmap" != "xyes"; then
233                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
234                 fi
235                 libmono_cflags="-D_REENTRANT"
236                 libdl="-ldl"
237                 libgc_threads=pthreads
238                 use_sigposix=yes
239                 if test "x$cross_compiling" != "xno"; then
240                         # to bypass the underscore linker check, not
241                         # available during cross-compilation
242                         mono_cv_uscore=no
243                 fi
244                 case "$host" in
245                 aarch64-*)
246                         support_boehm=no
247                         with_gc=sgen
248                         ;;
249                 esac
250                 ;;
251         *-*-nacl*)
252                 host_win32=no
253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
254                 if test "x$disable_munmap" != "xyes"; then
255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
256                 fi
257                 libmono_cflags="-D_REENTRANT"
258                 libdl=
259                 libgc_threads=pthreads
260                 gc_default=boehm
261                 use_sigposix=yes
262                 ikvm_native=no
263                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
264                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
265                 ;;
266         *-*-hpux*)
267                 host_win32=no
268                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
269                 # +ESdbgasm only valid on bundled cc on RISC
270                 # silently ignored for ia64
271                 if test $GCC != "yes"; then
272                         CFLAGS="$CFLAGS +ESdbgasm"
273                         # Arrange for run-time dereferencing of null
274                         # pointers to produce a SIGSEGV signal.
275                         LDFLAGS="$LDFLAGS -z"
276                 fi
277                 CFLAGS="$CFLAGS +ESdbgasm"
278                 LDFLAGS="$LDFLAGS -z"
279                 libmono_cflags="-D_REENTRANT"
280                 libmono_ldflags="-lpthread"
281                 libgc_threads=pthreads
282                 need_link_unlink=yes
283                 use_sigposix=yes
284                 ;;
285         *-*-solaris*)
286                 host_win32=no
287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
288                 need_link_unlink=yes
289                 libmono_cflags="-D_REENTRANT"
290                 libgc_threads=pthreads
291                 # This doesn't seem to work on solaris/x86, but the configure test runs
292                 with_tls=pthread
293                 has_dtrace=yes
294                 use_sigposix=yes
295                 enable_solaris_tar_check=yes
296                 ;;
297         *-*-darwin*)
298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
299                 host_win32=no
300                 platform_darwin=yes
301                 target_mach=yes
302                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
303                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
304                 libmono_cflags="-D_THREAD_SAFE"
305                 need_link_unlink=yes
306                 AC_DEFINE(PTHREAD_POINTER_ID)
307                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
308                 no_version_script=yes
309                 libdl=
310                 libgc_threads=pthreads
311                 has_dtrace=yes
312                 if test "x$cross_compiling" = "xyes"; then
313                         has_broken_apple_cpp=yes
314                 fi
315                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
316                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
317                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
318                 case "$host" in
319                         dnl Snow Leopard and newer config.guess reports as this
320                         i*86-*-darwin*)
321                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
322                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
323                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
324                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
325                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
326                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
327                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
328                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
329                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
330                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
331                                 ;;
332                         x*64-*-darwin*)
333                                 ;;
334                         arm*-darwin*)
335                                 has_dtrace=no
336                                 ;;                      
337                 esac
338                 ;;
339         *-*-haiku*)
340                 host_win32=no
341                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
342                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
343                 libdl=
344                 LIBS="$LIBS -lnetwork"
345                 need_link_unlink=yes
346                 AC_DEFINE(PTHREAD_POINTER_ID)
347                 libgc_threads=pthreads
348                 use_sigposix=yes
349                 ;;
350         *)
351                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
352                 host_win32=no
353                 libdl="-ldl"
354                 ;;
355 esac
356 AC_MSG_RESULT(ok)
357
358 if test x$need_link_unlink = xyes; then
359    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
360 fi
361
362 AC_SUBST(extra_runtime_ldflags)
363 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
364 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
365 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
366 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
367 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
368 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
369
370 AC_CHECK_TOOL(CC, gcc, gcc)
371 AC_PROG_CC
372 AC_CHECK_TOOL(CXX, g++, g++)
373 AC_PROG_CXX
374 AM_PROG_AS
375 AC_PROG_INSTALL
376 AC_PROG_AWK
377 AM_PROG_CC_C_O
378 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
379 : ${CCAS='$(CC)'}
380 # Set ASFLAGS if not already set.
381 : ${CCASFLAGS='$(CFLAGS)'}
382 AC_SUBST(CCAS)
383 AC_SUBST(CCASFLAGS)
384
385 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
386 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
387 if test "x$CXX" = "xg++"; then
388         if test "x$GXX" != "xyes"; then
389                 # automake/libtool is so broken, it requires g++ even if the c++ sources
390                 # are inside automake conditionals
391                 AC_MSG_ERROR([You need to install g++])
392         fi
393 fi
394
395 dnl may require a specific autoconf version
396 dnl AC_PROG_CC_FOR_BUILD
397 dnl CC_FOR_BUILD not automatically detected
398 CC_FOR_BUILD=$CC
399 CFLAGS_FOR_BUILD=$CFLAGS
400 BUILD_EXEEXT=
401 if test "x$cross_compiling" = "xyes"; then
402         CC_FOR_BUILD=cc
403         CFLAGS_FOR_BUILD=
404         BUILD_EXEEXT=""
405 fi
406 AC_SUBST(CC_FOR_BUILD)
407 AC_SUBST(CFLAGS_FOR_BUILD)
408 AC_SUBST(HOST_CC)
409 AC_SUBST(BUILD_EXEEXT)
410
411 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
412 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
413
414 # Set STDC_HEADERS
415 AC_HEADER_STDC
416 AC_LIBTOOL_WIN32_DLL
417 # This causes monodis to not link correctly
418 #AC_DISABLE_FAST_INSTALL
419 AM_PROG_LIBTOOL
420 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
421 DOLT
422
423 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
424 AC_SUBST(export_ldflags)
425
426 # Test whenever ld supports -version-script
427 AC_PROG_LD
428 AC_PROG_LD_GNU
429 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
430    no_version_script=yes
431 fi
432
433 AM_ICONV()
434
435 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
436
437 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 libproc.h)
438 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)
439 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
440                   [], [], [#include <stddef.h>
441                   #include <sys/socket.h>
442                   #include <linux/socket.h>])
443
444 AC_CHECK_HEADERS(sys/user.h, [], [],
445 [
446 #ifdef HAVE_SYS_PARAM_H
447 # include <sys/param.h>
448 #endif
449 ])
450
451 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
452 if test x$have_zlib = xyes; then
453    AC_TRY_COMPILE([#include <zlib.h>], [
454    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
455    return 0;
456    #else
457    #error No good zlib found
458    #endif
459    ],[
460         AC_MSG_RESULT(Using system zlib)
461         zlib_msg="system zlib"
462         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
463    ],[
464         AC_MSG_RESULT(Using embedded zlib)
465         have_zlib=no
466         zlib_msg="bundled zlib"
467    ])
468 fi
469
470 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
471 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
472
473 # for mono/metadata/debug-symfile.c
474 AC_CHECK_HEADERS(elf.h)
475
476 # for support
477 AC_CHECK_HEADERS(poll.h)
478 AC_CHECK_HEADERS(sys/poll.h)
479 AC_CHECK_HEADERS(sys/wait.h)
480 AC_CHECK_HEADERS(grp.h)
481 AC_CHECK_HEADERS(syslog.h)
482
483 # for mono/dis
484 AC_CHECK_HEADERS(wchar.h)
485 AC_CHECK_HEADERS(ieeefp.h)
486 AC_MSG_CHECKING(for isinf)
487 AC_TRY_LINK([#include <math.h>], [
488         int f = isinf (1.0);
489 ], [
490         AC_MSG_RESULT(yes)
491         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
492 ], [
493         # We'll have to use signals
494         AC_MSG_RESULT(no)
495 ])
496 # mingw
497 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
498         AC_TRY_LINK([#include <math.h>], 
499         [ _finite(0.0); ], 
500         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
501         AC_MSG_RESULT(no)))
502
503 # for Linux statfs support
504 AC_CHECK_HEADERS(linux/magic.h)
505
506 # not 64 bit clean in cross-compile
507 AC_CHECK_SIZEOF(void *, 4)
508
509 AC_CACHE_CHECK([for clang],
510         mono_cv_clang,[
511         AC_TRY_COMPILE([], [
512                 #ifdef __clang__
513                 #else
514                 #error "FAILED"
515                 #endif
516                 return 0;
517         ],
518         [mono_cv_clang=yes],
519         [mono_cv_clang=no],
520         [])
521 ])
522
523 WARN=''
524 if test x"$GCC" = xyes; then
525         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
526                 # The runtime code does not respect ANSI C strict aliasing rules
527                 CFLAGS="$CFLAGS -fno-strict-aliasing"
528
529                 # We rely on signed overflow to behave
530                 CFLAGS="$CFLAGS -fwrapv"
531
532                 ORIG_CFLAGS=$CFLAGS
533                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
534                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
535                 AC_TRY_COMPILE([],[
536                                 return 0;
537                 ], [
538                    AC_MSG_RESULT(yes)
539                 ], [
540                    AC_MSG_RESULT(no)
541                    CFLAGS=$ORIG_CFLAGS
542                 ])
543
544                 ORIG_CFLAGS=$CFLAGS
545                 # Check for the normal version, since gcc ignores unknown -Wno options
546                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
547                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
548                 AC_TRY_COMPILE([],[
549                                 return 0;
550                 ], [
551                    AC_MSG_RESULT(yes)
552                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
553                 ], [
554                    AC_MSG_RESULT(no)
555                    CFLAGS=$ORIG_CFLAGS
556                 ])
557
558                 if test "x$mono_cv_clang" = "xyes"; then
559                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
560                    WARN="$WARN -Qunused-arguments"
561                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
562                 fi
563 else
564         # The Sun Forte compiler complains about inline functions that access static variables
565         # so disable all inlining.
566         case "$host" in
567         *-*-solaris*)
568                 CFLAGS="$CFLAGS -Dinline="
569                 ;;
570         esac
571 fi
572 CFLAGS="$CFLAGS -g $WARN"
573 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
574
575 # Where's the 'mcs' source tree?
576 if test -d $srcdir/mcs; then
577   mcsdir=mcs
578 else
579   mcsdir=../mcs
580 fi
581
582 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
583         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
584                 mcsdir=$with_mcs_path
585         fi
586 )
587
588 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
589
590 #
591 # A sanity check to catch cases where the package was unpacked
592 # with an ancient tar program (Solaris)
593 #
594 AC_ARG_ENABLE(solaris-tar-check,
595 [  --disable-solaris-tar-check    disable solaris tar check],
596    do_solaris_tar_check=no, do_solaris_tar_check=yes)
597
598 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
599         AC_MSG_CHECKING(integrity of package)
600         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
601         then
602                 AC_MSG_RESULT(ok)
603         else
604                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
605                 AC_MSG_ERROR([$errorm])
606         fi
607 fi
608
609 if test "x$with_mcs_path" != "x"; then
610 mcs_topdir=$(cd "$mcsdir" && pwd)
611 mcs_topdir_from_srcdir=$mcs_topdir
612 else
613 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
614 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
615 fi
616
617 # Convert mcs_topdir* paths to Windows syntax.
618 if test x$cross_compiling$host_win32 = xnoyes; then
619   mcs_topdir=$(cygpath -m $mcs_topdir)
620   case $mcs_topdir_from_srcdir in
621     /cygdrive/*)
622         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
623         ;;
624   esac
625 fi
626
627 AC_SUBST([mcs_topdir])
628 AC_SUBST([mcs_topdir_from_srcdir])
629
630 # Where's the 'olive' source tree?
631 if test -d $srcdir/olive; then
632   olivedir=olive
633 else
634   olivedir=../olive
635 fi
636
637 if test -d $srcdir/$olivedir; then
638 olive_topdir='$(top_srcdir)/'$olivedir
639 fi
640
641 # gettext: prepare the translation directories. 
642 # we do not configure the full gettext, as we consume it dynamically from C#
643 AM_PO_SUBDIRS
644
645 if test "x$USE_NLS" = "xyes"; then
646    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
647
648    if test "x$HAVE_MSGFMT" = "xno"; then
649           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
650    fi
651 fi
652
653 AC_ARG_WITH([libgdiplus], 
654         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
655         [], [with_libgdiplus=installed])
656
657 case $with_libgdiplus in
658 no|installed) libgdiplus_loc= ;;
659 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
660 /*) libgdiplus_loc=$with_libgdiplus ;;
661 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
662 esac
663 AC_SUBST([libgdiplus_loc])
664
665 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
666
667 pkg_config_path=
668 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
669         if test x$with_crosspkgdir = "x"; then
670                 if test -s $PKG_CONFIG_PATH; then
671                         pkg_config_path=$PKG_CONFIG_PATH
672                 fi
673         else
674                 pkg_config_path=$with_crosspkgdir
675                 PKG_CONFIG_PATH=$pkg_config_path
676                 export PKG_CONFIG_PATH
677         fi
678 )
679
680 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
681 if test x$werror_flag = xyes; then
682         WERROR_CFLAGS="-Werror"
683 fi
684 AC_SUBST([WERROR_CFLAGS])
685
686 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
687 AC_CONFIG_SUBDIRS(eglib)
688
689 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
690 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
691 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
692 BUILD_GLIB_LIBS="$GLIB_LIBS"
693 GMODULE_CFLAGS="$GLIB_CFLAGS"
694 GMODULE_LIBS="$GLIB_LIBS"
695   
696 AC_SUBST(GLIB_CFLAGS)
697 AC_SUBST(GLIB_LIBS)
698 AC_SUBST(GMODULE_CFLAGS)
699 AC_SUBST(GMODULE_LIBS)
700 AC_SUBST(BUILD_GLIB_CFLAGS)
701 AC_SUBST(BUILD_GLIB_LIBS)
702
703 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
704
705 # Enable support for fast thread-local storage
706 # Some systems have broken support, so we allow to disable it.
707 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
708
709 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
710 # This does not work on some platforms (bug #55253)
711 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
712
713 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
714 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
715 # Same as --with-shared_mono=no
716 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
717
718 if test "x$enable_static" = "xno"; then
719    with_static_mono=no
720 fi
721
722 if test "x$enable_shared" = "xno"; then
723    with_shared_mono=no
724 fi
725
726 if test "x$enable_libraries" = "xno"; then
727    with_shared_mono=no
728 fi
729
730 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
731
732 case $host in
733 *nacl* ) with_shared_mono=yes;;
734 esac
735
736 if test "x$host_win32" = "xyes"; then
737    # Boehm GC requires the runtime to be in its own dll
738    with_static_mono=no
739 fi
740
741 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
742 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
743 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
744
745 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
746 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
747         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
748         ORIG_CFLAGS=$CFLAGS
749         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
750         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
751         AC_TRY_COMPILE([], [
752                 return 0;
753         ], [
754            AC_MSG_RESULT(yes)
755            # Pass it to libgc as well
756            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
757         ], [
758            AC_MSG_RESULT(no)
759            CFLAGS=$ORIG_CFLAGS
760         ])
761 fi
762
763 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
764
765 if test x$enable_small_config = xyes; then
766         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
767         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
768 fi
769
770 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
771
772 DISABLED_FEATURES=none
773
774 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
775      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
776      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
777          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
778 [
779         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
780                 eval "mono_feature_disable_$feature='yes'"
781         done
782         DISABLED_FEATURES=$enable_minimal
783         disabled="Disabled:      $enable_minimal"
784 ],[])
785
786 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
787
788 if test "x$mono_feature_disable_aot" = "xyes"; then
789         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
790         AC_MSG_NOTICE([Disabled AOT compiler])
791 fi
792
793 if test "x$mono_feature_disable_profiler" = "xyes"; then
794         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
795         AC_MSG_NOTICE([Disabled support for the profiler])
796 fi
797 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
798
799 if test "x$mono_feature_disable_decimal" = "xyes"; then
800         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
801         AC_MSG_NOTICE([Disabled support for decimal])
802 fi
803
804 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
805         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
806         AC_MSG_NOTICE([Disabled support for P/Invoke])
807 fi
808
809 if test "x$mono_feature_disable_debug" = "xyes"; then
810         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
811         AC_MSG_NOTICE([Disabled support for runtime debugging])
812 fi
813
814 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
815         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
816         mono_feature_disable_reflection_emit_save=yes
817         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
818 fi
819
820 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
821         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
822         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
823 fi
824
825 if test "x$mono_feature_disable_large_code" = "xyes"; then
826         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
827         AC_MSG_NOTICE([Disabled support for large assemblies])
828 fi
829
830 if test "x$mono_feature_disable_logging" = "xyes"; then
831         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
832         AC_MSG_NOTICE([Disabled support for logging])
833 fi
834
835 if test "x$mono_feature_disable_com" = "xyes"; then
836         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
837         AC_MSG_NOTICE([Disabled COM support])
838 fi
839
840 if test "x$mono_feature_disable_ssa" = "xyes"; then
841         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
842         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
843 fi
844
845 if test "x$mono_feature_disable_generics" = "xyes"; then
846         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
847         AC_MSG_NOTICE([Disabled Generics Support])
848 fi
849
850 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
851         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
852         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
853 fi
854
855 if test "x$mono_feature_disable_portability" = "xyes"; then
856         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
857         AC_MSG_NOTICE([Disabled IO Portability layer])
858 fi
859
860 if test "x$mono_feature_disable_attach" = "xyes"; then
861         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
862         AC_MSG_NOTICE([Disabled agent attach])
863 fi
864
865 if test "x$mono_feature_disable_full_messages" = "xyes"; then
866         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
867         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
868 fi
869
870 if test "x$mono_feature_disable_verifier" = "xyes"; then
871         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
872         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
873 fi
874
875 if test "x$mono_feature_disable_jit" = "xyes"; then
876         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
877         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
878 fi
879
880 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
881
882 if test "x$mono_feature_disable_simd" = "xyes"; then
883         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
884         AC_MSG_NOTICE([Disabled SIMD support])
885 fi
886
887 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
888         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
889         AC_MSG_NOTICE([Disabled Soft Debugger.])
890 fi
891
892 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
893         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
894         AC_MSG_NOTICE([Disabled Performance Counters.])
895 fi
896 if test "x$mono_feature_disable_normalization" = "xyes"; then
897         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
898         AC_MSG_NOTICE([Disabled String normalization support.])
899 fi
900
901 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
902         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
903         AC_MSG_NOTICE([Disabled Assembly remapping.])
904 fi
905
906 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
907         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
908         AC_MSG_NOTICE([Disabled Shared perfcounters.])
909 fi
910
911 if test "x$mono_feature_disable_appdomains" = "xyes"; then
912         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
913         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
914 fi
915
916 if test "x$mono_feature_disable_remoting" = "xyes"; then
917         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
918         AC_MSG_NOTICE([Disabled remoting])
919 fi
920
921 if test "x$mono_feature_disable_security" = "xyes"; then
922         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
923         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
924 fi
925
926 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
928         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
929 fi
930
931 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
932         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
933         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
934 fi
935
936 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
937         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
938         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
939 fi
940
941 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
942         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
943         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
944 fi
945
946 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
947         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
948         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
949 fi
950
951 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
952 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
953
954 has_extension_module=no
955 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
956 [
957         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
958                 if test x$extension = xdefault ; then
959                         has_extension_module=yes;
960                 fi
961         done
962         if test x$enable_extension_module = xyes; then
963                 has_extension_module=yes;
964         fi
965 ], [])
966
967 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
968
969 if test x$has_extension_module != xno ; then
970         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
971         AC_MSG_NOTICE([Enabling mono extension module.])
972 fi
973
974 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
975 if test x$enable_gsharing = xyes; then
976         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
977 fi
978
979 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
980 if test x$enable_native_types = xyes; then
981         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
982 fi
983
984 AC_MSG_CHECKING(for visibility __attribute__)
985 AC_COMPILE_IFELSE([
986         AC_LANG_SOURCE([[
987                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
988                 int main () { doit (); return 0; }
989         ]])
990 ], [
991    have_visibility_hidden=yes
992    AC_MSG_RESULT(yes)
993 ], [
994    have_visibility_hidden=no
995    AC_MSG_RESULT(no)
996 ])
997
998 AC_MSG_CHECKING(for deprecated __attribute__)
999 AC_TRY_COMPILE([
1000      int doit (void) __attribute__ ((deprecated));
1001      int doit (void) { return 0; }
1002 ], [
1003         return 0;
1004 ], [
1005    have_deprecated=yes
1006    AC_MSG_RESULT(yes)
1007 ], [
1008    have_deprecated=no
1009    AC_MSG_RESULT(no)
1010 ])
1011
1012 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1013 if test x$enable_parallel_mark = xyes; then
1014         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1015 fi
1016
1017 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1018 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1019
1020 dnl
1021 dnl Boehm GC configuration
1022 dnl
1023 LIBGC_CPPFLAGS=
1024 LIBGC_LIBS=
1025 LIBGC_STATIC_LIBS=
1026 libgc_dir=
1027 case "x$gc" in
1028         xboehm|xbohem|xyes)
1029                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1030                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1031
1032                 if test "x$found_boehm" != "xyes"; then
1033                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1034                 fi
1035                 if test "x$gc_headers" != "xyes"; then
1036                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1037                 fi
1038
1039                 LIBGC_LIBS="-lgc $libdl"
1040                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1041                 libmono_ldflags="$libmono_ldflags -lgc"
1042                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1043
1044                 # AC_CHECK_FUNCS does not work for some reason...
1045                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1046                 if test "x$found_gcj_malloc" = "xyes"; then
1047                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1048                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1049                         gc_msg="System Boehm with typed GC"
1050                 else
1051                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1052                         gc_msg="System Boehm (without typed GC)"
1053                 fi
1054                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1055                 if test "x$found_gc_enable" = "xyes"; then
1056                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1057                 fi
1058
1059                 # check whether we need to explicitly allow
1060                 # thread registering
1061                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1062                 if test "x$found_allow_register_threads" = "xyes"; then
1063                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1064                 fi
1065
1066                 ;;
1067
1068         xincluded)
1069                 use_included_gc=yes
1070                 if test "x$support_boehm" = "xyes"; then
1071                         libgc_dir=libgc
1072                 fi
1073
1074                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1075                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1076                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1077
1078                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1079
1080                 if test x$target_win32 = xyes; then
1081                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1082                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1083                 fi
1084
1085                 gc_msg="bundled Boehm GC with typed GC"
1086                 if test x$enable_parallel_mark = xyes; then
1087                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1088                         gc_msg="$gc_msg and parallel mark"
1089                 else
1090                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1091                 fi
1092                 ;;
1093
1094         xsgen)
1095                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1096                 ;;
1097
1098         xnone)
1099                 AC_MSG_WARN("Compiling mono without GC.")
1100                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1101                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1102                 gc_msg="none"
1103                 ;;
1104         *)
1105                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1106                 ;;
1107 esac
1108
1109 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1110 if test "x$large_heap" = "xyes"; then
1111    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1112 fi
1113
1114 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1115 AC_SUBST(LIBGC_CPPFLAGS)
1116 AC_SUBST(LIBGC_LIBS)
1117 AC_SUBST(LIBGC_STATIC_LIBS)
1118 AC_SUBST(libgc_dir)
1119 AC_SUBST(BOEHM_DEFINES)
1120
1121 dnl
1122 dnl End of libgc checks
1123 dnl
1124
1125 dnl *************************************
1126 dnl *** Checks for zero length arrays ***
1127 dnl *************************************
1128 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1129 AC_TRY_COMPILE([
1130         struct s {
1131                 int  length;
1132                 char data [0];
1133         };
1134 ], [], [
1135         AC_MSG_RESULT(yes)
1136         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1137 ], [
1138         AC_MSG_RESULT(no)
1139         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1140 ])
1141
1142 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1143
1144 if test x$target_win32 = xno; then
1145
1146         dnl hires monotonic clock support
1147         AC_SEARCH_LIBS(clock_gettime, rt)
1148
1149         dnl dynamic loader support
1150         AC_CHECK_FUNC(dlopen, DL_LIB="",
1151                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1152         )
1153         if test x$dl_support = xno; then
1154                 AC_MSG_WARN([No dynamic loading support available])
1155         else
1156                 LIBS="$LIBS $DL_LIB"
1157                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1158                 dnl from glib's configure.ac
1159                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1160                         mono_cv_uscore,[
1161                         AC_TRY_RUN([#include <dlfcn.h>
1162                         int mono_underscore_test (void) { return 42; }
1163                         int main() {
1164                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1165                           handle = dlopen ((void*)0, 0);
1166                           if (handle) {
1167                             f1 = dlsym (handle, "mono_underscore_test");
1168                             f2 = dlsym (handle, "_mono_underscore_test");
1169                           } return (!f2 || f1);
1170                         }],
1171                                 [mono_cv_uscore=yes],
1172                                 [mono_cv_uscore=no],
1173                         [])
1174                 ])
1175                 if test "x$mono_cv_uscore" = "xyes"; then
1176                         MONO_DL_NEED_USCORE=1
1177                 else
1178                         MONO_DL_NEED_USCORE=0
1179                 fi
1180                 AC_SUBST(MONO_DL_NEED_USCORE)
1181                 AC_CHECK_FUNC(dlerror)
1182         fi
1183
1184         dnl ******************************************************************
1185         dnl *** Checks for the IKVM JNI interface library                  ***
1186         dnl ******************************************************************
1187         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])
1188
1189         ikvm_native_dir=
1190         if test x$with_ikvm_native = xyes; then
1191                 ikvm_native_dir=ikvm-native
1192                 jdk_headers_found="IKVM Native"
1193         fi
1194
1195         AC_SUBST(ikvm_native_dir)
1196
1197         AC_CHECK_HEADERS(execinfo.h)
1198
1199         AC_CHECK_HEADERS(sys/auxv.h)
1200
1201         AC_CHECK_FUNCS(getgrgid_r)
1202         AC_CHECK_FUNCS(getgrnam_r)
1203         AC_CHECK_FUNCS(getpwnam_r)
1204         AC_CHECK_FUNCS(getpwuid_r)
1205         AC_CHECK_FUNCS(getresuid)
1206         AC_CHECK_FUNCS(setresuid)
1207         AC_CHECK_FUNCS(kqueue)
1208         AC_CHECK_FUNCS(backtrace_symbols)
1209         AC_CHECK_FUNCS(mkstemp)
1210         AC_CHECK_FUNCS(mmap)
1211         AC_CHECK_FUNCS(madvise)
1212         AC_CHECK_FUNCS(getrusage)
1213         AC_CHECK_FUNCS(getpriority)
1214         AC_CHECK_FUNCS(setpriority)
1215         AC_CHECK_FUNCS(dl_iterate_phdr)
1216         AC_CHECK_FUNCS(dladdr)
1217         AC_CHECK_FUNCS(sysconf)
1218
1219         AC_CHECK_FUNCS(sched_setaffinity)
1220         AC_CHECK_FUNCS(sched_getcpu)
1221
1222         dnl ****************************************************************
1223         dnl *** Check for sched_setaffinity from glibc versions before   ***
1224         dnl *** 2.3.4. The older versions of the function only take 2    ***
1225         dnl *** parameters, not 3.                                       ***
1226         dnl ***                                                          ***
1227         dnl *** Because the interface change was not made in a minor     ***
1228         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1229         dnl *** won't always indicate the interface sched_affinity has.  ***
1230         dnl ****************************************************************
1231         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1232         AC_TRY_COMPILE([#include <sched.h>], [
1233             int mask = 1; 
1234             sched_setaffinity(0, &mask);
1235                         return 0;
1236         ], [
1237                 # Yes, we have it...
1238                 AC_MSG_RESULT(yes)
1239                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1240         ], [
1241                 # We have the new, three-parameter version
1242                 AC_MSG_RESULT(no)
1243         ])
1244
1245
1246         dnl ******************************************************************
1247         dnl *** Check for large file support                               ***
1248         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1249         dnl ******************************************************************
1250         
1251         # Check that off_t can represent 2**63 - 1 correctly, working around
1252         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1253         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1254         large_offt=no
1255         AC_DEFUN([LARGE_FILES], [
1256                 large_CPPFLAGS=$CPPFLAGS
1257                 CPPFLAGS="$CPPFLAGS $1"
1258                 AC_TRY_COMPILE([
1259                         #include <sys/types.h>
1260                         #include <limits.h>
1261                 ], [
1262                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1263                         #define COMPILE_TIME_ASSERT(pred) \
1264                                 switch(0){case 0:case pred:;}
1265                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1266                 ], [
1267                         AC_MSG_RESULT(ok)
1268                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1269                         large_CPPFLAGS="$large_CPPFLAGS $1"
1270                         large_offt=yes
1271                 ], [
1272                         AC_MSG_RESULT(no)
1273                 ])
1274                 CPPFLAGS=$large_CPPFLAGS
1275         ])
1276
1277         AC_MSG_CHECKING(if off_t is 64 bits wide)
1278         LARGE_FILES("")
1279         if test $large_offt = no; then
1280                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1281                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1282         fi
1283         if test $large_offt = no; then
1284                 AC_MSG_WARN([No 64 bit file size support available])
1285         fi
1286         
1287         dnl *****************************
1288         dnl *** Checks for libsocket  ***
1289         dnl *****************************
1290         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1291
1292         case "$host" in
1293                 *-*-*freebsd*)
1294                         dnl *****************************
1295                         dnl *** Checks for libinotify ***
1296                         dnl *****************************
1297                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1298         esac
1299
1300         dnl *******************************
1301         dnl *** Checks for MSG_NOSIGNAL ***
1302         dnl *******************************
1303         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1304         AC_TRY_COMPILE([#include <sys/socket.h>], [
1305                 int f = MSG_NOSIGNAL;
1306         ], [
1307                 # Yes, we have it...
1308                 AC_MSG_RESULT(yes)
1309                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1310         ], [
1311                 # We'll have to use signals
1312                 AC_MSG_RESULT(no)
1313         ])
1314
1315         dnl *****************************
1316         dnl *** Checks for IPPROTO_IP ***
1317         dnl *****************************
1318         AC_MSG_CHECKING(for IPPROTO_IP)
1319         AC_TRY_COMPILE([#include <netinet/in.h>], [
1320                 int level = IPPROTO_IP;
1321         ], [
1322                 # Yes, we have it...
1323                 AC_MSG_RESULT(yes)
1324                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1325         ], [
1326                 # We'll have to use getprotobyname
1327                 AC_MSG_RESULT(no)
1328         ])
1329
1330         dnl *******************************
1331         dnl *** Checks for IPPROTO_IPV6 ***
1332         dnl *******************************
1333         AC_MSG_CHECKING(for IPPROTO_IPV6)
1334         AC_TRY_COMPILE([#include <netinet/in.h>], [
1335                 int level = IPPROTO_IPV6;
1336         ], [
1337                 # Yes, we have it...
1338                 AC_MSG_RESULT(yes)
1339                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1340         ], [
1341                 # We'll have to use getprotobyname
1342                 AC_MSG_RESULT(no)
1343         ])
1344
1345         dnl ******************************
1346         dnl *** Checks for IPPROTO_TCP ***
1347         dnl ******************************
1348         AC_MSG_CHECKING(for IPPROTO_TCP)
1349         AC_TRY_COMPILE([#include <netinet/in.h>], [
1350                 int level = IPPROTO_TCP;
1351         ], [
1352                 # Yes, we have it...
1353                 AC_MSG_RESULT(yes)
1354                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1355         ], [
1356                 # We'll have to use getprotobyname
1357                 AC_MSG_RESULT(no)
1358         ])
1359
1360         dnl *****************************
1361         dnl *** Checks for SOL_IP     ***
1362         dnl *****************************
1363         AC_MSG_CHECKING(for SOL_IP)
1364         AC_TRY_COMPILE([#include <netdb.h>], [
1365                 int level = SOL_IP;
1366         ], [
1367                 # Yes, we have it...
1368                 AC_MSG_RESULT(yes)
1369                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1370         ], [
1371                 # We'll have to use getprotobyname
1372                 AC_MSG_RESULT(no)
1373         ])
1374
1375         dnl *****************************
1376         dnl *** Checks for SOL_IPV6     ***
1377         dnl *****************************
1378         AC_MSG_CHECKING(for SOL_IPV6)
1379         AC_TRY_COMPILE([#include <netdb.h>], [
1380                 int level = SOL_IPV6;
1381         ], [
1382                 # Yes, we have it...
1383                 AC_MSG_RESULT(yes)
1384                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1385         ], [
1386                 # We'll have to use getprotobyname
1387                 AC_MSG_RESULT(no)
1388         ])
1389
1390         dnl *****************************
1391         dnl *** Checks for SOL_TCP    ***
1392         dnl *****************************
1393         AC_MSG_CHECKING(for SOL_TCP)
1394         AC_TRY_COMPILE([#include <netdb.h>], [
1395                 int level = SOL_TCP;
1396         ], [
1397                 # Yes, we have it...
1398                 AC_MSG_RESULT(yes)
1399                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1400         ], [
1401                 # We'll have to use getprotobyname
1402                 AC_MSG_RESULT(no)
1403         ])
1404
1405         dnl *****************************
1406         dnl *** Checks for IP_PKTINFO ***
1407         dnl *****************************
1408         AC_MSG_CHECKING(for IP_PKTINFO)
1409         AC_TRY_COMPILE([#include <linux/in.h>], [
1410                 int level = IP_PKTINFO;
1411         ], [
1412                 # Yes, we have it...
1413                 AC_MSG_RESULT(yes)
1414                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1415         ], [
1416                 AC_MSG_RESULT(no)
1417         ])
1418
1419         dnl *****************************
1420         dnl *** Checks for IPV6_PKTINFO ***
1421         dnl *****************************
1422         AC_MSG_CHECKING(for IPV6_PKTINFO)
1423         AC_TRY_COMPILE([#include <netdb.h>], [
1424                 int level = IPV6_PKTINFO;
1425         ], [
1426                 # Yes, we have it...
1427                 AC_MSG_RESULT(yes)
1428                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1429         ], [
1430                 AC_MSG_RESULT(no)
1431         ])
1432
1433         dnl **********************************
1434         dnl *** Checks for IP_DONTFRAG     ***
1435         dnl **********************************
1436         AC_MSG_CHECKING(for IP_DONTFRAG)
1437         AC_TRY_COMPILE([#include <netinet/in.h>], [
1438                 int level = IP_DONTFRAG;
1439         ], [
1440                 # Yes, we have it...
1441                 AC_MSG_RESULT(yes)
1442                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1443         ], [
1444                 AC_MSG_RESULT(no)
1445         ])
1446
1447         dnl **********************************
1448         dnl *** Checks for IP_DONTFRAGMENT ***
1449         dnl **********************************
1450         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1451         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1452                 int level = IP_DONTFRAGMENT;
1453         ], [
1454                 # Yes, we have it...
1455                 AC_MSG_RESULT(yes)
1456                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1457         ], [
1458                 AC_MSG_RESULT(no)
1459         ])
1460
1461         dnl **********************************
1462         dnl *** Checks for IP_MTU_DISCOVER ***
1463         dnl **********************************
1464         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1465         AC_TRY_COMPILE([#include <linux/in.h>], [
1466                 int level = IP_MTU_DISCOVER;
1467         ], [
1468                 # Yes, we have it...
1469                 AC_MSG_RESULT(yes)
1470                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1471         ], [
1472                 AC_MSG_RESULT(no)
1473         ])
1474
1475         dnl **********************************
1476         dnl *** Checks for  IP_PMTUDISC_DO ***
1477         dnl **********************************
1478         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1479         AC_TRY_COMPILE([#include <linux/in.h>], [
1480                 int level = IP_PMTUDISC_DO;
1481         ], [
1482                 # Yes, we have it...
1483                 AC_MSG_RESULT(yes)
1484                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1485         ], [
1486                 AC_MSG_RESULT(no)
1487         ])
1488
1489         dnl *********************************
1490         dnl *** Check for struct ip_mreqn ***
1491         dnl *********************************
1492         AC_MSG_CHECKING(for struct ip_mreqn)
1493         AC_TRY_COMPILE([#include <netinet/in.h>], [
1494                 struct ip_mreqn mreq;
1495                 mreq.imr_address.s_addr = 0;
1496         ], [
1497                 # Yes, we have it...
1498                 AC_MSG_RESULT(yes)
1499                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1500         ], [
1501                 # We'll just have to try and use struct ip_mreq
1502                 AC_MSG_RESULT(no)
1503                 AC_MSG_CHECKING(for struct ip_mreq)
1504                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1505                         struct ip_mreq mreq;
1506                         mreq.imr_interface.s_addr = 0;
1507                 ], [
1508                         # Yes, we have it...
1509                         AC_MSG_RESULT(yes)
1510                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1511                 ], [
1512                         # No multicast support
1513                         AC_MSG_RESULT(no)
1514                 ])
1515         ])
1516         
1517         dnl **********************************
1518         dnl *** Check for gethostbyname2_r ***
1519         dnl **********************************
1520         AC_MSG_CHECKING(for gethostbyname2_r)
1521                 AC_TRY_LINK([#include <netdb.h>], [
1522                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1523         ], [
1524                 # Yes, we have it...
1525                 AC_MSG_RESULT(yes)
1526                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1527         ], [
1528                 AC_MSG_RESULT(no)
1529         ])
1530
1531         dnl *****************************
1532         dnl *** Checks for libnsl     ***
1533         dnl *****************************
1534         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1535
1536         AC_CHECK_FUNCS(inet_pton inet_aton)
1537
1538         dnl *****************************
1539         dnl *** Checks for libxnet    ***
1540         dnl *****************************
1541         case "${host}" in
1542                 *solaris* )
1543                         AC_MSG_CHECKING(for Solaris XPG4 support)
1544                         if test -f /usr/lib/libxnet.so; then
1545                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1546                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1547                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1548                                 LIBS="$LIBS -lxnet"
1549                                 AC_MSG_RESULT(yes)
1550                         else
1551                                 AC_MSG_RESULT(no)
1552                         fi
1553
1554                         if test "$GCC" = "yes"; then
1555                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1556                         fi
1557                 ;;
1558         esac
1559
1560         dnl *****************************
1561         dnl *** Checks for libpthread ***
1562         dnl *****************************
1563 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1564 # and libpthread does not exist
1565 #
1566         case "${host}" in
1567                 *-*-*freebsd*)
1568                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1569                 ;;
1570                 *-*-*openbsd*)
1571                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1572                 ;;
1573                 *)
1574                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1575                 ;;
1576         esac
1577         AC_CHECK_HEADERS(pthread.h)
1578         AC_CHECK_HEADERS(pthread_np.h)
1579         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1580         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1581         AC_CHECK_FUNCS(pthread_kill)
1582         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1583         AC_TRY_COMPILE([ #include <pthread.h>], [
1584                 pthread_mutexattr_t attr;
1585                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1586         ], [
1587                 AC_MSG_RESULT(ok)
1588         ], [
1589                 AC_MSG_RESULT(no)
1590                 AC_ERROR(Posix system lacks support for recursive mutexes)
1591         ])
1592         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1593         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1594         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1595
1596         dnl ***********************************
1597         dnl *** Checks for signals
1598         dnl ***********************************
1599         AC_CHECK_HEADERS(signal.h)
1600         AC_CHECK_FUNCS(sigaction)
1601
1602         dnl ***********************************
1603         dnl *** Checks for working __thread ***
1604         dnl ***********************************
1605         AC_MSG_CHECKING(for working __thread)
1606         if test "x$with_tls" != "x__thread"; then
1607                 AC_MSG_RESULT(disabled)
1608         elif test "x$cross_compiling" = "xyes"; then
1609                 AC_MSG_RESULT(cross compiling, assuming yes)
1610         else
1611                 AC_TRY_RUN([
1612                         #if defined(__APPLE__) && defined(__clang__)
1613                         #error "__thread does not currently work with clang on Mac OS X"
1614                         #endif
1615                         
1616                         #include <pthread.h>
1617                         __thread int i;
1618                         static int res1, res2;
1619
1620                         void thread_main (void *arg)
1621                         {
1622                                 i = arg;
1623                                 sleep (1);
1624                                 if (arg == 1)
1625                                         res1 = (i == arg);
1626                                 else
1627                                         res2 = (i == arg);
1628                         }
1629
1630                         int main () {
1631                                 pthread_t t1, t2;
1632
1633                                 i = 5;
1634
1635                                 pthread_create (&t1, NULL, thread_main, 1);
1636                                 pthread_create (&t2, NULL, thread_main, 2);
1637
1638                                 pthread_join (t1, NULL);
1639                                 pthread_join (t2, NULL);
1640
1641                                 return !(res1 + res2 == 2);
1642                         }
1643                 ], [
1644                                 AC_MSG_RESULT(yes)
1645                 ], [
1646                                 AC_MSG_RESULT(no)
1647                                 with_tls=pthread
1648                 ])
1649         fi
1650
1651         dnl **************************************
1652         dnl *** Checks for working sigaltstack ***
1653         dnl **************************************
1654         AC_MSG_CHECKING(for working sigaltstack)
1655         if test "x$with_sigaltstack" != "xyes"; then
1656                 AC_MSG_RESULT(disabled)
1657         elif test "x$cross_compiling" = "xyes"; then
1658                 AC_MSG_RESULT(cross compiling, assuming yes)
1659         else
1660                 AC_TRY_RUN([
1661                         #include <stdio.h>
1662                         #include <stdlib.h>
1663                         #include <unistd.h>
1664                         #include <signal.h>
1665                         #include <pthread.h>
1666                         #include <sys/wait.h>
1667                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1668                         #define SA_STACK SA_ONSTACK
1669                         #endif
1670                         static void
1671                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1672                         {
1673                                 exit (0);
1674                         }
1675
1676                         volatile char*__ptr = NULL;
1677                         static void *
1678                         loop (void *ignored)
1679                         {
1680                                 *__ptr = 0;
1681                                 return NULL;
1682                         }
1683
1684                         static void
1685                         child ()
1686                         {
1687                                 struct sigaction sa;
1688                         #ifdef __APPLE__
1689                                 stack_t sas;
1690                         #else
1691                                 struct sigaltstack sas;
1692                         #endif
1693                                 pthread_t id;
1694                                 pthread_attr_t attr;
1695
1696                                 sa.sa_sigaction = sigsegv_signal_handler;
1697                                 sigemptyset (&sa.sa_mask);
1698                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1699                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1700                                         perror ("sigaction");
1701                                         return;
1702                                 }
1703
1704                                 /* x86 darwin deliver segfaults using SIGBUS */
1705                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1706                                         perror ("sigaction");
1707                                         return;
1708                                 }
1709                                 sas.ss_sp = malloc (SIGSTKSZ);
1710                                 sas.ss_size = SIGSTKSZ;
1711                                 sas.ss_flags = 0;
1712                                 if (sigaltstack (&sas, NULL) == -1) {
1713                                         perror ("sigaltstack");
1714                                         return;
1715                                 }
1716
1717                                 pthread_attr_init (&attr);
1718                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1719                                         printf ("pthread_create\n");
1720                                         return;
1721                                 }
1722
1723                                 sleep (100);
1724                         }
1725
1726                         int
1727                         main ()
1728                         {
1729                                 pid_t son;
1730                                 int status;
1731                                 int i;
1732
1733                                 son = fork ();
1734                                 if (son == -1) {
1735                                         return 1;
1736                                 }
1737
1738                                 if (son == 0) {
1739                                         child ();
1740                                         return 0;
1741                                 }
1742
1743                                 for (i = 0; i < 300; ++i) {
1744                                         waitpid (son, &status, WNOHANG);
1745                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1746                                                 return 0;
1747                                         usleep (10000);
1748                                 }
1749
1750                                 kill (son, SIGKILL);
1751                                 return 1;
1752                         }
1753
1754                 ], [
1755                                 AC_MSG_RESULT(yes)
1756                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1757                 ], [
1758                                 with_sigaltstack=no
1759                                 AC_MSG_RESULT(no)
1760                 ])
1761         fi
1762
1763         dnl ********************************
1764         dnl *** Checks for semaphore lib ***
1765         dnl ********************************
1766         # 'Real Time' functions on Solaris
1767         # posix4 on Solaris 2.6
1768         # pthread (first!) on Linux
1769         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1770
1771         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1772         AC_CHECK_FUNCS(shm_open)
1773
1774         dnl ********************************
1775         dnl *** Checks for timezone stuff **
1776         dnl ********************************
1777         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1778                 AC_TRY_COMPILE([
1779                         #include <time.h>
1780                         ], [
1781                         struct tm tm;
1782                         tm.tm_gmtoff = 1;
1783                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1784         if test $ac_cv_struct_tm_gmtoff = yes; then
1785                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1786         else
1787                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1788                         AC_TRY_COMPILE([
1789                                 #include <time.h>
1790                         ], [
1791                                 timezone = 1;
1792                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1793                 if test $ac_cv_var_timezone = yes; then
1794                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1795                 else
1796                         AC_ERROR(unable to find a way to determine timezone)
1797                 fi
1798         fi
1799
1800         dnl *********************************
1801         dnl *** Checks for math functions ***
1802         dnl *********************************
1803         AC_SEARCH_LIBS(sqrtf, m)
1804         if test "x$has_broken_apple_cpp" != "xyes"; then
1805                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1806                         AC_TRY_LINK([#include <math.h>], 
1807                         [ finite(0.0); ], 
1808                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1809                         AC_MSG_RESULT(no)))
1810         fi
1811         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1812                 AC_TRY_LINK([#include <math.h>], 
1813                 [ isfinite(0.0); ], 
1814                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1815                 AC_MSG_RESULT(no)))
1816
1817         dnl ****************************************************************
1818         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1819         dnl *** have it in the library (duh))                            ***
1820         dnl ****************************************************************
1821         AC_CHECK_FUNCS(poll)
1822
1823         dnl *************************
1824         dnl *** Check for signbit ***
1825         dnl *************************
1826         AC_MSG_CHECKING(for signbit)
1827         AC_TRY_LINK([#include <math.h>], [
1828                 int s = signbit(1.0);
1829         ], [
1830                 AC_MSG_RESULT(yes)
1831                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1832         ], [
1833                 AC_MSG_RESULT(no)
1834         ]) 
1835
1836         dnl **********************************
1837         dnl *** epoll                      ***
1838         dnl **********************************
1839         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1840                 AC_CHECK_HEADERS(sys/epoll.h)
1841                 haveepoll=no
1842                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1843                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1844                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1845                 fi
1846         fi
1847
1848         havekqueue=no
1849
1850         AC_CHECK_HEADERS(sys/event.h)
1851         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1852
1853         dnl **************************************
1854         dnl * Darwin has a race that prevents us from using reliably:
1855         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1856         dnl * Since kqueue is mostly used for scaling large web servers, 
1857         dnl * and very few folks run Mono on large web servers on OSX, falling
1858         dnl * back 
1859         dnl **************************************
1860         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1861                 if test "x$platform_darwin" = "xno"; then
1862                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1863                 fi
1864         fi
1865
1866         dnl ******************************
1867         dnl *** Checks for SIOCGIFCONF ***
1868         dnl ******************************
1869         AC_CHECK_HEADERS(sys/ioctl.h)
1870         AC_CHECK_HEADERS(net/if.h, [], [],
1871            [
1872            #ifdef HAVE_SYS_TYPES_H
1873            # include <sys/types.h>
1874            #endif
1875            #ifdef HAVE_SYS_SOCKET_H
1876            # include <sys/socket.h>
1877            #endif
1878            ])
1879         AC_MSG_CHECKING(for ifreq)
1880         AC_TRY_COMPILE([
1881                 #include <stdio.h>
1882                 #include <sys/ioctl.h>
1883                 #include <net/if.h>
1884                 ], [
1885                 struct ifconf ifc;
1886                 struct ifreq *ifr;
1887                 void *x;
1888                 ifc.ifc_len = 0;
1889                 ifc.ifc_buf = NULL;
1890                 x = (void *) &ifr->ifr_addr;
1891                 ],[
1892                         AC_MSG_RESULT(yes)
1893                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1894                 ], [
1895                         AC_MSG_RESULT(no)
1896                 ])
1897         dnl **********************************
1898         dnl ***     Checks for sin_len     ***
1899         dnl **********************************
1900         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1901         AC_TRY_COMPILE([
1902                 #include <netinet/in.h>
1903                 ], [
1904                 struct sockaddr_in saddr;
1905                 saddr.sin_len = sizeof (saddr);
1906                 ],[
1907                         AC_MSG_RESULT(yes)
1908                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1909                 ], [
1910                         AC_MSG_RESULT(no)
1911                 ])      
1912         dnl **********************************
1913         dnl ***    Checks for sin6_len     ***
1914         dnl **********************************
1915         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1916         AC_TRY_COMPILE([
1917                 #include <netinet/in.h>
1918                 ], [
1919                 struct sockaddr_in6 saddr6;
1920                 saddr6.sin6_len = sizeof (saddr6);
1921                 ],[
1922                         AC_MSG_RESULT(yes)
1923                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1924                 ], [
1925                         AC_MSG_RESULT(no)
1926                 ])
1927         dnl **********************************
1928         dnl *** Check for getifaddrs       ***
1929         dnl **********************************
1930         AC_MSG_CHECKING(for getifaddrs)
1931                 AC_TRY_LINK([
1932                 #include <stdio.h>
1933                 #include <sys/types.h>
1934                 #include <sys/socket.h>
1935                 #include <ifaddrs.h>
1936         ], [
1937                 getifaddrs(NULL);
1938         ], [
1939                 # Yes, we have it...
1940                 AC_MSG_RESULT(yes)
1941                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1942         ], [
1943                 AC_MSG_RESULT(no)
1944         ])
1945         dnl **********************************
1946         dnl *** Check for if_nametoindex   ***
1947         dnl **********************************
1948         AC_MSG_CHECKING(for if_nametoindex)
1949                 AC_TRY_LINK([
1950                 #include <stdio.h>
1951                 #include <sys/types.h>
1952                 #include <sys/socket.h>
1953                 #include <net/if.h>
1954         ], [
1955                 if_nametoindex(NULL);
1956         ], [
1957                 # Yes, we have it...
1958                 AC_MSG_RESULT(yes)
1959                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1960         ], [
1961                 AC_MSG_RESULT(no)
1962         ])
1963                         
1964         dnl **********************************
1965         dnl *** Checks for MonoPosixHelper ***
1966         dnl **********************************
1967         AC_CHECK_HEADERS(checklist.h)
1968         AC_CHECK_HEADERS(pathconf.h)
1969         AC_CHECK_HEADERS(fstab.h)
1970         AC_CHECK_HEADERS(attr/xattr.h)
1971         AC_CHECK_HEADERS(sys/extattr.h)
1972         AC_CHECK_HEADERS(sys/sendfile.h)
1973         AC_CHECK_HEADERS(sys/statvfs.h)
1974         AC_CHECK_HEADERS(sys/statfs.h)
1975         AC_CHECK_HEADERS(sys/vfstab.h)
1976         AC_CHECK_HEADERS(sys/xattr.h)
1977         AC_CHECK_HEADERS(sys/mman.h)
1978         AC_CHECK_HEADERS(sys/param.h)
1979         AC_CHECK_HEADERS(sys/mount.h, [], [],
1980                 [
1981                 #ifdef HAVE_SYS_PARAM_H
1982                 # include <sys/param.h>
1983                 #endif
1984                 ])
1985         AC_CHECK_HEADERS(sys/mount.h)
1986         AC_CHECK_FUNCS(confstr)
1987         AC_CHECK_FUNCS(seekdir telldir)
1988         AC_CHECK_FUNCS(getdomainname)
1989         AC_CHECK_FUNCS(setdomainname)
1990         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1991         AC_CHECK_FUNCS(setgroups)
1992         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1993         AC_CHECK_FUNCS(getfsstat)
1994         AC_CHECK_FUNCS(lutimes futimes)
1995         AC_CHECK_FUNCS(mremap)
1996         AC_CHECK_FUNCS(remap_file_pages)
1997         AC_CHECK_FUNCS(posix_fadvise)
1998         AC_CHECK_FUNCS(posix_fallocate)
1999         AC_CHECK_FUNCS(posix_madvise)
2000         AC_CHECK_FUNCS(vsnprintf)
2001         AC_CHECK_FUNCS(sendfile)
2002         AC_CHECK_FUNCS(gethostid sethostid)
2003         AC_CHECK_FUNCS(sethostname)
2004         AC_CHECK_FUNCS(statfs)
2005         AC_CHECK_FUNCS(fstatfs)
2006         AC_CHECK_FUNCS(statvfs)
2007         AC_CHECK_FUNCS(fstatvfs)
2008         AC_CHECK_FUNCS(stime)
2009         AC_CHECK_FUNCS(strerror_r)
2010         AC_CHECK_FUNCS(ttyname_r)
2011         AC_CHECK_FUNCS(psignal)
2012         AC_CHECK_FUNCS(getlogin_r)
2013         AC_CHECK_FUNCS(lockf)
2014         AC_CHECK_FUNCS(swab)
2015         AC_CHECK_FUNCS(setusershell endusershell)
2016         AC_CHECK_FUNCS(futimens utimensat)
2017         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2018         AC_CHECK_FUNCS(readv writev preadv pwritev)
2019         AC_CHECK_FUNCS(setpgid)
2020         AC_CHECK_SIZEOF(size_t)
2021         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2022                 [#include <sys/types.h>
2023                  #include <sys/stat.h>
2024                  #include <unistd.h>])
2025         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2026                 [#include <sys/types.h>
2027                  #include <sys/stat.h>
2028                  #include <unistd.h>])
2029         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2030                 [#include <sys/time.h>])
2031         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2032                 [#include <unistd.h>
2033                  #include <fcntl.h>])
2034         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2035                 [#include <sys/uio.h>])
2036         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2037                 [#include <sys/poll.h>])
2038         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2039                 [#include <sys/types.h>
2040                  #include <sys/stat.h>
2041                  #include <unistd.h>])
2042         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2043                 [#include <time.h>])
2044         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2045                 [#include <sys/time.h>
2046                  #include <sys/types.h>
2047                  #include <utime.h>])
2048         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2049                 [#include <sys/time.h>])
2050         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2051                 [#include <sys/types.h>
2052                  #include <utime.h>])
2053         AC_CHECK_MEMBERS(
2054                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2055                 [#include <sys/types.h>
2056                  #include <dirent.h>])
2057         AC_CHECK_MEMBERS(
2058                 [struct passwd.pw_gecos],,, 
2059                 [#include <sys/types.h>
2060                  #include <pwd.h>])
2061         AC_CHECK_MEMBERS(
2062                 [struct statfs.f_flags],,, 
2063                 [#include <sys/types.h>
2064                  #include <sys/vfs.h>])
2065         AC_CHECK_MEMBERS(
2066                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2067                 [#include <sys/types.h>
2068                  #include <sys/stat.h>
2069                  #include <unistd.h>])
2070
2071         dnl Favour xattr through glibc, but use libattr if we have to
2072         AC_CHECK_FUNC(lsetxattr, ,
2073                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2074         )
2075         AC_SUBST(XATTR_LIB)
2076
2077         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2078         AC_CHECK_MEMBERS(
2079                 [struct kinfo_proc.kp_proc],,, 
2080                 [#include <sys/types.h>
2081                  #include <sys/param.h>
2082                  #include <sys/sysctl.h>
2083                  #include <sys/proc.h>
2084                  ])
2085
2086         dnl *********************************
2087         dnl *** Checks for Windows compilation ***
2088         dnl *********************************
2089         AC_CHECK_HEADERS(sys/time.h)
2090         AC_CHECK_HEADERS(sys/param.h)
2091         AC_CHECK_HEADERS(dirent.h)
2092
2093         dnl ******************************************
2094         dnl *** Checks for OSX and iOS compilation ***
2095         dnl ******************************************
2096         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2097
2098         dnl *********************************
2099         dnl *** Check for Console 2.0 I/O ***
2100         dnl *********************************
2101         AC_CHECK_HEADERS([curses.h])
2102         AC_CHECK_HEADERS([term.h], [], [],
2103         [#if HAVE_CURSES_H
2104          #include <curses.h>
2105          #endif
2106         ])
2107         AC_CHECK_HEADERS([termios.h])
2108
2109         dnl * This is provided in io-layer, but on windows it's only available
2110         dnl * on xp+
2111         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2112 else
2113         dnl *********************************
2114         dnl *** Checks for Windows compilation ***
2115         dnl *********************************
2116         AC_CHECK_HEADERS(winternl.h)
2117
2118         jdk_headers_found=no
2119         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2120         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2121         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2122         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2123         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2124         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2126
2127         dnl *********************************
2128         dnl *** Check for struct ip_mreqn ***
2129         dnl *********************************
2130         AC_MSG_CHECKING(for struct ip_mreqn)
2131         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2132                 struct ip_mreqn mreq;
2133                 mreq.imr_address.s_addr = 0;
2134         ], [
2135                 # Yes, we have it...
2136                 AC_MSG_RESULT(yes)
2137                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2138         ], [
2139                 # We'll just have to try and use struct ip_mreq
2140                 AC_MSG_RESULT(no)
2141                 AC_MSG_CHECKING(for struct ip_mreq)
2142                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2143                         struct ip_mreq mreq;
2144                         mreq.imr_interface.s_addr = 0;
2145                 ], [
2146                         # Yes, we have it...
2147                         AC_MSG_RESULT(yes)
2148                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2149                 ], [
2150                         # No multicast support
2151                         AC_MSG_RESULT(no)
2152                 ])
2153         ])
2154         AC_CHECK_FUNCS(GetProcessId)
2155         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2156         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2157         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2158         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2159         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2160         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2162 fi
2163
2164 dnl socklen_t check
2165 AC_MSG_CHECKING(for socklen_t)
2166 AC_TRY_COMPILE([
2167 #include <sys/types.h>
2168 #include <sys/socket.h>
2169 ],[
2170   socklen_t foo;
2171 ],[
2172 ac_cv_c_socklen_t=yes
2173         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2174         AC_MSG_RESULT(yes)
2175 ],[
2176         AC_MSG_RESULT(no)
2177 ])
2178
2179 AC_MSG_CHECKING(for array element initializer support)
2180 AC_TRY_COMPILE([#include <sys/socket.h>], [
2181         const int array[] = {[1] = 2,};
2182 ], [
2183         # Yes, we have it...
2184         AC_MSG_RESULT(yes)
2185         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2186 ], [
2187         # We'll have to use signals
2188         AC_MSG_RESULT(no)
2189 ])
2190
2191 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2192         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2193         AC_TRY_LINK([#include <math.h>], 
2194         [ static void *p = &trunc; ],
2195         [
2196                 AC_DEFINE(HAVE_TRUNC) 
2197                 AC_MSG_RESULT(yes)
2198                 ac_cv_trunc=yes
2199         ],
2200         AC_MSG_RESULT(no)))
2201
2202 if test "x$ac_cv_truncl" != "xyes"; then
2203    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2204 fi
2205
2206 AC_CHECK_FUNCS(round)
2207 AC_CHECK_FUNCS(rint)
2208 AC_CHECK_FUNCS(execvp)
2209
2210 dnl ****************************
2211 dnl *** Look for /dev/random ***
2212 dnl ****************************
2213
2214 AC_MSG_CHECKING([if usage of random device is requested])
2215 AC_ARG_ENABLE(dev-random,
2216 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2217 try_dev_random=$enableval, try_dev_random=yes)
2218
2219 AC_MSG_RESULT($try_dev_random)
2220
2221 case "{$build}" in
2222     *-openbsd*)
2223     NAME_DEV_RANDOM="/dev/srandom"
2224     ;;
2225
2226 dnl Win32 does not have /dev/random, they have their own method...
2227
2228     *-mingw*|*-*-cygwin*)
2229     ac_cv_have_dev_random=no
2230     ;;
2231
2232 dnl Everywhere else, it's /dev/random
2233
2234     *)
2235     NAME_DEV_RANDOM="/dev/random"
2236     ;;
2237 esac
2238
2239 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2240
2241 dnl Now check if the device actually exists
2242
2243 if test "x$try_dev_random" = "xyes"; then
2244     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2245     [if test -r "$NAME_DEV_RANDOM" ; then
2246         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2247     if test "x$ac_cv_have_dev_random" = "xyes"; then
2248         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2249     fi
2250 else
2251     AC_MSG_CHECKING(for random device)
2252     ac_cv_have_dev_random=no
2253     AC_MSG_RESULT(has been disabled)
2254 fi
2255
2256 if test "x$host_win32" = "xyes"; then
2257     AC_DEFINE(HAVE_CRYPT_RNG)
2258 fi
2259
2260 if test "x$ac_cv_have_dev_random" = "xno" \
2261     && test "x$host_win32" = "xno"; then
2262     AC_MSG_WARN([[
2263 ***
2264 *** A system-provided entropy source was not found on this system.
2265 *** Because of this, the System.Security.Cryptography random number generator
2266 *** will throw a NotImplemented exception.
2267 ***
2268 *** If you are seeing this message, and you know your system DOES have an
2269 *** entropy collection in place, please contact <crichton@gimp.org> and
2270 *** provide information about the system and how to access the random device.
2271 ***
2272 *** Otherwise you can install either egd or prngd and set the environment
2273 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2274 ***]])
2275 fi
2276  
2277 AC_MSG_CHECKING([if inter-process shared handles are requested])
2278 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2279 AC_MSG_RESULT($try_shared_handles)
2280 if test "x$try_shared_handles" != "xyes"; then
2281         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2282         AC_SUBST(DISABLE_SHARED_HANDLES)
2283 fi
2284
2285 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2286
2287 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2288 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2289
2290 AC_MSG_CHECKING([if big-arrays are to be enabled])
2291 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2292 if test "x$enable_big_arrays" = "xyes" ; then
2293     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2294         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2295     else
2296         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2297     fi
2298 fi
2299 AC_MSG_RESULT($enable_big_arrays)
2300
2301 dnl **************
2302 dnl *** DTRACE ***
2303 dnl **************
2304
2305 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2306
2307 if test "x$enable_dtrace" = "xyes"; then
2308    if test "x$has_dtrace" = "xno"; then
2309           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2310    fi
2311    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2312    if test "x$DTRACE" = "xno"; then
2313           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2314           enable_dtrace=no
2315    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2316           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2317           enable_dtrace=no
2318    fi
2319 fi
2320
2321 dtrace_g=no
2322 if test "x$enable_dtrace" = "xyes"; then
2323         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2324         DTRACEFLAGS=
2325         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2326                 case "$host" in
2327                         powerpc-*-darwin*)
2328                         DTRACEFLAGS="-arch ppc64"
2329                         ;;
2330                         i*86-*-darwin*)
2331                         DTRACEFLAGS="-arch x86_64"
2332                         ;;
2333                         *)
2334                         DTRACEFLAGS=-64
2335                         ;;
2336                 esac
2337         else
2338                 case "$host" in
2339                         powerpc-*-darwin*)
2340                         DTRACEFLAGS="-arch ppc"
2341                         ;;
2342                         i*86-*-darwin*)
2343                         DTRACEFLAGS="-arch i386"
2344                         ;;
2345                         *)
2346                         DTRACEFLAGS=-32
2347                         ;;
2348                 esac
2349         fi
2350         AC_SUBST(DTRACEFLAGS)
2351         case "$host" in
2352                 *-*-solaris*)
2353                 dtrace_g=yes
2354                 ;;
2355         esac
2356         AC_CHECK_HEADERS([sys/sdt.h])
2357 fi
2358 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2359 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2360
2361 dnl **************
2362 dnl ***  NaCl  ***
2363 dnl **************
2364
2365 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2366 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2367
2368 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2369
2370 dnl
2371 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2372 dnl
2373 nacl_self_host=""
2374 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2375    nacl_self_host="nacl_self_host"
2376 fi
2377 AC_SUBST(nacl_self_host)
2378
2379 if test "x$enable_nacl_codegen" = "xyes"; then
2380    MONO_NACL_ALIGN_MASK_OFF=1
2381    AC_DEFINE(TARGET_NACL, 1, [...])
2382    AC_DEFINE(__native_client_codegen__, 1, [...])
2383 else
2384    MONO_NACL_ALIGN_MASK_OFF=0
2385    AC_DEFINE(__default_codegen__, 1, [...])
2386 fi
2387 if test "x$enable_nacl_gc" = "xyes"; then
2388    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2389       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2390    else
2391       # Not yet implemented
2392       INSTRUMENT_CFLAG=""
2393    fi
2394    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2395 fi
2396 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2397
2398 dnl **************
2399 dnl ***  LLVM  ***
2400 dnl **************
2401
2402 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2403 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2404 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2405
2406 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2407
2408 if test "x$enable_llvm" = "xyes"; then
2409    if test "x$with_llvm" != "x"; then
2410           LLVM_CONFIG=$with_llvm/bin/llvm-config
2411           if test ! -x $LLVM_CONFIG; then
2412                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2413       fi
2414    else
2415       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2416       if test "x$LLVM_CONFIG" = "xno"; then
2417              AC_MSG_ERROR([llvm-config not found.])
2418       fi
2419    fi
2420
2421    llvm_codegen="x86codegen"
2422    case "$target" in
2423    arm*)
2424                 llvm_codegen="armcodegen"
2425                 ;;
2426    esac
2427
2428    # The output of --cflags seems to include optimizations flags too
2429    LLVM_CFLAGS=`$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'`
2430    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2431    # from LLVM classes.
2432    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2433    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2434    # This might include empty lines
2435    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2436    if test "x$host" != "x$target"; then
2437       # No need for jit libs
2438       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2439    else
2440       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2441    fi
2442    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2443
2444    expected_llvm_version="3.4svn-mono-mono/e656cac"
2445
2446    # Should be something like '2.6' or '2.7svn'
2447    llvm_version=`$LLVM_CONFIG --version`
2448    major_version=`echo $llvm_version | cut -c 1`
2449    minor_version=`echo $llvm_version | cut -c 3`
2450    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2451    AC_MSG_CHECKING(LLVM version)
2452    AC_MSG_RESULT($llvm_version)
2453    if echo $llvm_version | grep -q 'mono'; then
2454           if test "x$enable_llvm_version_check" == "xyes"; then
2455                  if test "$llvm_version" != "$expected_llvm_version"; then
2456                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2457                  fi
2458           fi
2459           if test "x$llvm_api_version" = "x"; then
2460                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2461                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2462           else
2463                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2464                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2465           fi
2466    else
2467           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.])
2468    fi
2469
2470    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2471    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2472    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2473
2474    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2475    # llvm's config.h
2476    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2477
2478    AC_SUBST(LLVM_CFLAGS)
2479    AC_SUBST(LLVM_CXXFLAGS)
2480    AC_SUBST(LLVM_LIBS)
2481    AC_SUBST(LLVM_LDFLAGS)
2482    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2483 fi
2484
2485 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2486 if test "x$enable_loadedllvm" = "xyes"; then
2487    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2488 fi
2489 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2490
2491 TARGET="unknown"
2492 ACCESS_UNALIGNED="yes"
2493
2494 JIT_SUPPORTED=no
2495 INTERP_SUPPORTED=no
2496 LIBC="libc.so.6"
2497 INTL="libc.so.6"
2498 SQLITE="libsqlite.so.0"
2499 SQLITE3="libsqlite3.so.0"
2500 X11="libX11.so"
2501 GDKX11="libgdk-x11-2.0.so.0"
2502 GTKX11="libgtk-x11-2.0.so.0"
2503 XINERAMA="libXinerama.so"
2504
2505 sizeof_register="SIZEOF_VOID_P"
2506
2507 jit_wanted=true
2508 interp_wanted=false
2509 sgen_supported=false
2510 boehm_supported=true
2511 case "$host" in
2512         mips*)
2513                 TARGET=MIPS;
2514                 arch_target=mips;
2515                 sgen_supported=true
2516                 ACCESS_UNALIGNED="no"
2517                 JIT_SUPPORTED=yes
2518
2519                 AC_MSG_CHECKING(for mips n32)
2520                 AC_TRY_COMPILE([],[
2521                 #if _MIPS_SIM != _ABIN32
2522                 #error Not mips n32
2523                 #endif
2524                 return 0;
2525                 ],[
2526                 AC_MSG_RESULT(yes)
2527                 sizeof_register=8
2528                 ],[
2529                 AC_MSG_RESULT(no)
2530                 ])
2531                 ;;
2532         i*86-*-*)
2533                 TARGET=X86;
2534                 arch_target=x86;
2535                 JIT_SUPPORTED=yes
2536                 case $host_os in
2537                   solaris*)
2538                         LIBC="libc.so"
2539                         INTL="libintl.so"
2540                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2541                                 TARGET=AMD64
2542                                 arch_target=amd64
2543                         fi
2544
2545                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2546                         # int astruct __attribute__ ((visibility ("hidden")));
2547                         # void foo ()
2548                         # {
2549                         #       void *p = &astruct;
2550                         # }
2551                         # gcc -fPIC --shared -o libfoo.so foo.c
2552                         # yields:
2553                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2554                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2555                         have_visibility_hidden=no
2556                         sgen_supported=true
2557                         ;;
2558                   mingw*|cygwin*)
2559                         sgen_supported=true
2560                         have_visibility_hidden=no                 
2561                         ;;
2562                   haiku*)
2563                         LIBC=libroot.so
2564                         ;;
2565                   linux*)
2566                         sgen_supported=true
2567                         AOT_SUPPORTED="yes"
2568                         ;;
2569                   darwin*)
2570                         sgen_supported=true
2571                         AOT_SUPPORTED="yes"
2572                         ;;
2573                   openbsd*|freebsd*)
2574                         sgen_supported=true
2575                         ;;
2576                 esac
2577                 ;;
2578         x86_64-*-* | amd64-*-*)
2579                 TARGET=AMD64;
2580                 arch_target=amd64;
2581                 JIT_SUPPORTED=yes
2582                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2583                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2584                         sizeof_register=8
2585                 fi
2586                 case $host_os in
2587                   linux*)
2588                         sgen_supported=true
2589                         AOT_SUPPORTED="yes"
2590                         ;;
2591                   darwin*)
2592                         sgen_supported=true
2593                         AOT_SUPPORTED="yes"
2594                         ;;
2595                   openbsd*|freebsd*)
2596                         sgen_supported=true
2597                         ;;
2598                   mingw*)
2599                         sgen_supported=true
2600                         ;;
2601                 esac
2602                 case "$host" in
2603                         x86_64-*-nacl*)
2604                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2605                                 sizeof_register=8
2606                                 ;;
2607                 esac
2608                 ;;
2609         ia64-*-*)
2610                 TARGET=IA64
2611                 arch_target=ia64
2612                 ACCESS_UNALIGNED="no"
2613                 JIT_SUPPORTED=yes
2614                 LIBC="libc.so.6.1"
2615                 INTL="libc.so.6.1"
2616                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2617                 libmono_ldflags="-lunwind"
2618                 ;;
2619         sparc*-*-*)
2620                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2621                    TARGET=SPARC64
2622                 else
2623                         TARGET=SPARC
2624                 fi
2625                 arch_target=sparc;
2626                 JIT_SUPPORTED=yes
2627                 ACCESS_UNALIGNED="no"
2628                 case $host_os in
2629                   linux*) ;;
2630                   *)
2631                         LIBC="libc.so"
2632                         INTL="libintl.so"
2633                 esac
2634                 if test x"$GCC" = xyes; then
2635                         # We don't support v8 cpus
2636                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2637                 fi
2638                 if test x"$AR" = xfalse; then
2639                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2640                 fi
2641                 sgen_supported=true
2642                 ;;
2643         *-mingw*|*-*-cygwin*)
2644                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2645                 have_visibility_hidden=no
2646                 INTL="intl"
2647                 ;;
2648         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2649         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2650                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2651                         TARGET=POWERPC64;
2652                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2653                         CFLAGS="$CFLAGS -mminimal-toc"
2654                 else
2655                         TARGET=POWERPC;
2656                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2657                 fi
2658                 arch_target=ppc;
2659                 JIT_SUPPORTED=yes
2660                 case $host_os in
2661                   linux*|darwin*)
2662                         sgen_supported=true
2663                         ;;
2664                 esac
2665                 ;;
2666         arm*-darwin*)
2667                 TARGET=ARM;
2668                 arch_target=arm;
2669                 ACCESS_UNALIGNED="no"
2670                 JIT_SUPPORTED=yes
2671                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2672                 # libgc's gc_locks.h depends on this
2673             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2674                 sgen_supported=true
2675                 ;;
2676         arm*-linux*)
2677                 TARGET=ARM;
2678                 arch_target=arm;
2679                 ACCESS_UNALIGNED="no"
2680                 JIT_SUPPORTED=yes
2681                 sgen_supported=true
2682                 AOT_SUPPORTED="yes"
2683                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2684                 ;;
2685 # TODO: make proper support for NaCl host.
2686 #        arm*-*nacl)
2687 #               TARGET=ARM;
2688 #               arch_target=arm;
2689 #               ACCESS_UNALIGNED="no"
2690 #               JIT_SUPPORTED=yes
2691 #               sgen_supported=true
2692 #               AOT_SUPPORTED="no"
2693 #               ;;
2694         aarch64-*)
2695                 # https://lkml.org/lkml/2012/7/15/133
2696                 TARGET=ARM64
2697                 arch_target=arm64
2698                 JIT_SUPPORTED=yes
2699                 sgen_supported=true
2700                 boehm_supported=false
2701                 ;;
2702         s390x-*-linux*)
2703                 TARGET=S390X;
2704                 arch_target=s390x;
2705                 ACCESS_UNALIGNED="yes"
2706                 JIT_SUPPORTED=yes
2707                 sgen_supported=true
2708                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2709                 ;;
2710 esac
2711
2712 HOST=$TARGET
2713
2714 if test "x$host" != "x$target"; then
2715    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2716    enable_mcs_build=no
2717    case "$target" in
2718    arm*-darwin*)
2719                 TARGET=ARM;
2720                 arch_target=arm;
2721                 ACCESS_UNALIGNED="no"
2722                 JIT_SUPPORTED=yes
2723                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2724                 jit_wanted=true
2725                 # Can't use tls, since it depends on the runtime detection of tls offsets
2726                 # in mono-compiler.h
2727                 with_tls=pthread
2728                 ;;
2729    powerpc64-ps3-linux-gnu)
2730                 TARGET=POWERPC64
2731                 arch_target=powerpc64
2732                 AC_DEFINE(TARGET_PS3, 1, [...])
2733                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2734                 # uses this define
2735                 AC_DEFINE(__mono_ppc64__, 1, [...])
2736                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2737                 sizeof_register=8
2738                 target_byte_order=G_BIG_ENDIAN
2739                 ;;
2740
2741    powerpc64-xbox360-linux-gnu)
2742                 TARGET=POWERPC64
2743                 arch_target=powerpc64
2744                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2745                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2746                 # uses this define
2747                 sizeof_register=8
2748                 target_byte_order=G_BIG_ENDIAN
2749                 ;;
2750    x86_64-*-nacl)
2751                 TARGET=AMD64
2752                 arch_target=amd64
2753                 AC_DEFINE(TARGET_AMD64, 1, [...])
2754                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2755                 sizeof_register=8
2756                 ;;
2757 # TODO: make proper support for NaCl target.
2758 #   arm*-*nacl)
2759 #               TARGET=ARM
2760 #               arch_target=arm
2761 #               AC_DEFINE(TARGET_ARM, 1, [...])
2762 #               ACCESS_UNALIGNED="no"
2763 #               JIT_SUPPORTED=yes
2764 #               sizeof_register=4
2765 #               CPPFLAGS="$CPPFLAGS \
2766 #                    -D__ARM_EABI__ \
2767 #                    -D__arm__ \
2768 #                    -D__portable_native_client__ \
2769 #                    -Dtimezone=_timezone \
2770 #                    -DDISABLE_SOCKETS \
2771 #                    -DDISABLE_ATTACH \
2772 #                    -DUSE_NEWLIB"
2773 #               jit_wanted=true
2774                 # Can't use tls, since it depends on the runtime detection of tls offsets
2775                 # in mono-compiler.h
2776 #               with_tls=pthread
2777 #               ;;
2778    i686-*-nacl)
2779                 TARGET=X86
2780                 arch_target=x86
2781                 AC_DEFINE(TARGET_X86, 1, [...])
2782                 sizeof_register=4
2783                 ;;
2784    arm*-linux-*)
2785                 TARGET=ARM;
2786                 arch_target=arm;
2787                 AC_DEFINE(TARGET_ARM, 1, [...])
2788                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2789                 ACCESS_UNALIGNED="no"
2790                 JIT_SUPPORTED=yes
2791                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2792                 jit_wanted=true
2793                 # Can't use tls, since it depends on the runtime detection of tls offsets
2794                 # in mono-compiler.h
2795                 with_tls=pthread
2796                 target_mach=no
2797                 case "$target" in
2798                 armv7l-unknown-linux-gnueabi*)
2799                         # TEGRA
2800                         CPPFLAGS="$CPPFLAGS"
2801                         ;;
2802                 armv5-*-linux-androideabi*)
2803                         CPPFLAGS="$CPPFLAGS"
2804                         ;;
2805                 esac
2806                 ;;
2807         aarch64-*)
2808                 TARGET=ARM64
2809                 JIT_SUPPORTED=yes
2810                 jit_wanted=true
2811                 ;;
2812         *)
2813                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2814         esac
2815 fi
2816
2817 case "$TARGET" in
2818 X86)
2819         AC_DEFINE(TARGET_X86, 1, [...])
2820         ;;
2821 AMD64)
2822         AC_DEFINE(TARGET_AMD64, 1, [...])
2823         ;;
2824 ARM)
2825         AC_DEFINE(TARGET_ARM, 1, [...])
2826         ;;
2827 ARM64)
2828         AC_DEFINE(TARGET_ARM64, 1, [...])
2829         ;;
2830 POWERPC)
2831         AC_DEFINE(TARGET_POWERPC, 1, [...])
2832         ;;
2833 POWERPC64)
2834         AC_DEFINE(TARGET_POWERPC, 1, [...])
2835         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2836         ;;
2837 S390X)
2838         AC_DEFINE(TARGET_S390X, 1, [...])
2839         ;;
2840 MIPS)
2841         AC_DEFINE(TARGET_MIPS, 1, [...])
2842         ;;
2843 IA64)
2844         AC_DEFINE(TARGET_IA64, 1, [...])
2845         ;;
2846 SPARC)
2847         AC_DEFINE(TARGET_SPARC, 1, [...])
2848         ;;
2849 SPARC64)
2850         AC_DEFINE(TARGET_SPARC64, 1, [...])
2851         ;;
2852 esac
2853
2854 dnl Use GCC atomic ops if they work on the target.
2855 if test x$GCC = "xyes"; then
2856         case $TARGET in
2857         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2858                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2859                 ;;
2860         esac
2861 fi
2862
2863 if test "x$target_mach" = "xyes"; then
2864    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2865           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2866           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2867           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2868    else
2869        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2870        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2871        #error fail this for ios
2872        #endif
2873        return 0;
2874        ], [
2875                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2876           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2877           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2878        ], [
2879           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2880           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2881           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2882        ])
2883         fi
2884    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2885 fi
2886
2887 if test "x$sizeof_register" = "x4"; then
2888    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2889 elif test "x$sizeof_register" = "x8"; then
2890    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2891 else
2892    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2893 fi
2894
2895 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2896    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2897 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2898    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2899 else
2900    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2901 fi
2902
2903 if test "x$have_visibility_hidden" = "xyes"; then
2904    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2905 fi
2906
2907 if test "x$have_deprecated" = "xyes"; then
2908    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2909 fi
2910
2911 dnl 
2912 dnl Simple Generational checks (sgen)
2913 dnl
2914 if $sgen_supported; then
2915    build_sgen_default=yes
2916 else
2917    build_sgen_default=no
2918 fi
2919 SGEN_DEFINES=
2920 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2921 if test x$buildsgen = xyes; then
2922    if $sgen_supported; then
2923        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2924        gc_msg="sgen and $gc_msg"
2925    else
2926        buildsgen=no
2927        AC_MSG_WARN("Sgen is not supported on this platform")
2928    fi
2929 fi
2930 AC_SUBST(SGEN_DEFINES)
2931 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2932
2933 USEJIT=false
2934 if test x$JIT_SUPPORTED = xyes; then
2935    if $jit_wanted; then
2936       USEJIT=true
2937       jit_status="Building and using the JIT"
2938    else
2939       if $interp_wanted; then
2940          jit_status="Building the JIT, defaulting to the interpreter"
2941       else
2942          AC_ERROR(No JIT or interpreter support available or selected.)
2943       fi
2944    fi
2945 else
2946    if test x$interp_wanted = xtrue; then
2947       jit_status="interpreter"
2948    else
2949       AC_ERROR(No JIT or interpreter support available or selected.)
2950    fi
2951 fi
2952
2953 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2954
2955 libsuffix=".so"
2956
2957 case "$host" in
2958      *-*-darwin*)
2959         libsuffix=".dylib"
2960         LIBC="libc.dylib"
2961         INTL="libintl.dylib"
2962         SQLITE="libsqlite.0.dylib"
2963         SQLITE3="libsqlite3.0.dylib"
2964         X11="libX11.dylib"
2965         GDKX11="libgdk-x11-2.0.dylib"
2966         GTKX11="libgtk-x11-2.0.dylib"
2967         ;;
2968      *-*-*netbsd*)
2969         LIBC="libc.so.12"
2970         INTL="libintl.so.0"
2971         ;;
2972     *-*-*freebsd*)
2973         LIBC="libc.so"
2974         INTL="libintl.so"
2975         SQLITE="libsqlite.so"
2976         SQLITE3="libsqlite3.so"
2977         ;;
2978     *-*-*openbsd*)
2979         LIBC="libc.so"
2980         INTL="libintl.so"
2981         SQLITE="libsqlite.so"
2982         SQLITE3="libsqlite3.so"
2983         ;;
2984     *-*-*linux*)
2985         AC_PATH_X
2986         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2987         AC_MSG_CHECKING(for the soname of libX11.so)
2988         for i in $x_libraries $dlsearch_path; do
2989                 for r in 4 5 6; do
2990                         if test -f $i/libX11.so.$r; then
2991                                 X11=libX11.so.$r
2992                                 AC_MSG_RESULT($X11)
2993                         fi
2994                 done
2995         done
2996         
2997         if test "x$X11" = "xlibX11.so"; then
2998                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2999                 X11=libX11.so.6
3000         fi
3001         AC_MSG_CHECKING(for the soname of libXinerama.so)
3002         for i in $x_libraries $dlsearch_path; do
3003                 for r in 1 2 3; do
3004                         if test -f $i/libXinerama.so.$r; then
3005                                 XINERAMA=libXinerama.so.$r
3006                                 AC_MSG_RESULT($XINERAMA)
3007                         fi
3008                 done
3009         done
3010         if test "x$XINERAMA" = "xlibXinerama.so"; then
3011                 AC_MSG_WARN([Could not find Xinerama development libs. Support for multiple monitors might not work...]);
3012         fi
3013         ;;
3014 esac
3015
3016
3017 AC_SUBST(libsuffix)
3018
3019 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3020 if test "x$icall_symbol_map" = "xyes"; then
3021    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3022 fi
3023
3024 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3025 if test "x$icall_export" = "xyes"; then
3026    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3027 fi
3028
3029 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3030 if test "x$icall_tables" = "xno"; then
3031    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3032 fi
3033
3034 if test "x$with_tls" = "x__thread"; then
3035         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3036         # Pass the information to libgc
3037         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3038         AC_MSG_CHECKING(if the tls_model attribute is supported)
3039         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3040                 ], [
3041                         AC_MSG_RESULT(yes)
3042                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3043                 ], [
3044                         AC_MSG_RESULT(no)
3045         ])
3046 fi
3047
3048 if test ${TARGET} = ARM; then
3049         dnl ******************************************
3050         dnl *** Check to see what FPU is available ***
3051         dnl ******************************************
3052         AC_MSG_CHECKING(which FPU to use)
3053
3054         #
3055         # This is a bit tricky:
3056         #
3057         # if (__ARM_PCS_VFP) {
3058         #       /* mfloat-abi=hard == VFP with hard ABI */
3059         # } elif (!__SOFTFP__) {
3060         #       /* mfloat-abi=softfp == VFP with soft ABI */
3061         # } else {
3062         #       /* mfloat-abi=soft == no VFP */
3063         # }
3064         #
3065         # The exception is iOS (w/ GCC) where none of the above
3066         # are defined (but iOS always uses the 'softfp' ABI).
3067         #
3068         # No support for FPA.
3069         #
3070
3071         fpu=NONE
3072
3073         # iOS GCC always uses the 'softfp' ABI.
3074         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3075                 fpu=VFP
3076         fi
3077
3078         # Are we using the 'hard' ABI?
3079         if test x$fpu = xNONE; then
3080                 AC_TRY_COMPILE([], [
3081                         #ifndef __ARM_PCS_VFP
3082                         #error "Float ABI is not 'hard'"
3083                         #endif
3084                         return 0;
3085                 ], [
3086                         fpu=VFP_HARD
3087                 ], [
3088                         fpu=NONE
3089                 ])
3090         fi
3091
3092         # No 'hard' ABI. 'soft' or 'softfp'?
3093         if test x$fpu = xNONE; then
3094                 AC_TRY_COMPILE([], [
3095                         #ifdef __SOFTFP__
3096                         #error "Float ABI is not 'softfp'"
3097                         #endif
3098                         return 0;
3099                 ], [
3100                         fpu=VFP
3101                 ], [
3102                         fpu=NONE
3103                 ])
3104         fi
3105
3106         AC_MSG_RESULT($fpu)
3107         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3108         unset fpu
3109
3110         dnl *********************************************
3111         dnl *** Check which ARM version(s) we can use ***
3112         dnl *********************************************
3113         AC_MSG_CHECKING(which ARM version to use)
3114
3115         AC_TRY_COMPILE([], [
3116                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3117                 #error Not on ARM v5.
3118                 #endif
3119                 return 0;
3120         ], [
3121                 arm_v5=yes
3122
3123                 arm_ver=ARMv5
3124         ], [])
3125
3126         AC_TRY_COMPILE([], [
3127                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3128                 #error Not on ARM v6.
3129                 #endif
3130                 return 0;
3131         ], [
3132                 arm_v5=yes
3133                 arm_v6=yes
3134
3135                 arm_ver=ARMv6
3136         ], [])
3137
3138         AC_TRY_COMPILE([], [
3139                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3140                 #error Not on ARM v7.
3141                 #endif
3142                 return 0;
3143         ], [
3144                 arm_v5=yes
3145                 arm_v6=yes
3146                 arm_v7=yes
3147
3148                 arm_ver=ARMv7
3149         ], [])
3150
3151         AC_MSG_RESULT($arm_ver)
3152
3153         if test x$arm_v5 = xyes; then
3154                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3155                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3156         fi
3157
3158         if test x$arm_v6 = xyes; then
3159                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3160                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3161         fi
3162
3163         if test x$arm_v7 = xyes; then
3164                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3165                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3166         fi
3167 fi
3168
3169 if test ${TARGET} = ARM; then
3170         if test "x${with_jumptables}" = "xyes"; then
3171                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3172         fi
3173 fi
3174
3175 if test ${TARGET} = unknown; then
3176         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3177         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3178 fi
3179
3180 if test ${ACCESS_UNALIGNED} = no; then
3181         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3182 fi
3183
3184 case "x$gc" in
3185         xincluded)
3186                 # Pass CPPFLAGS to libgc configure
3187                 # We should use a separate variable for this to avoid passing useless and
3188                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3189                 # This should be executed late so we pick up the final version of CPPFLAGS
3190                 # The problem with this approach, is that during a reconfigure, the main
3191                 # configure scripts gets invoked with these arguments, so we use separate
3192                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3193                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3194                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3195                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3196                 fi
3197                 # Don't pass -finstrument-for-thread-suspension in, 
3198                 # if these are instrumented it will be very bad news 
3199                 # (infinite recursion, undefined parking behavior, etc)
3200                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3201                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3202                 if test "x$support_boehm" = "xyes"; then
3203                         AC_CONFIG_SUBDIRS(libgc)
3204                 fi
3205                 ;;
3206 esac
3207
3208 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3209 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3210 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3211 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3212 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3213 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3214
3215 OPROFILE=no
3216 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3217         if test x$with_oprofile != xno; then
3218             oprofile_include=$with_oprofile/include
3219             if test ! -f $oprofile_include/opagent.h; then
3220                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3221                 fi
3222             OPROFILE=yes
3223                 OPROFILE_CFLAGS="-I$oprofile_include"
3224             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3225             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3226         fi
3227 ])
3228
3229 MALLOC_MEMPOOLS=no
3230 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3231         if test x$with_malloc_mempools = xyes; then
3232                 MALLOC_MEMPOOLS=yes
3233                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3234         fi
3235 ])
3236
3237
3238 DISABLE_MCS_DOCS=no
3239 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3240         if test x$with_mcs_docs != xyes; then
3241                 DISABLE_MCS_DOCS=yes
3242         fi
3243 ])
3244 if test x$with_profile4 != xyes; then
3245         DISABLE_MCS_DOCS=yes
3246 fi
3247
3248 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)],[
3249         if test x$with_lazy_gc_thread_creation != xno ; then
3250                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3251         fi
3252 ], [with_lazy_gc_thread_creation=no])
3253
3254 AC_CHECK_HEADER([malloc.h], 
3255                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3256                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3257
3258 if test x"$GCC" = xyes; then
3259         # Implicit function declarations are not 64 bit safe
3260         # Do this late, since this causes lots of configure tests to fail
3261         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3262         # jay has a lot of implicit declarations
3263         JAY_CFLAGS="-Wno-implicit-function-declaration"
3264 fi
3265
3266 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3267 # instead of libmono-static.a
3268 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3269    LIBMONO_LA=libmini-static.la
3270 else
3271    if test x$buildsgen = xyes; then
3272       LIBMONO_LA=libmonosgen-$API_VER.la
3273    else
3274       LIBMONO_LA=libmonoboehm-$API_VER.la
3275    fi
3276 fi
3277 AC_SUBST(LIBMONO_LA)
3278
3279 dnl
3280 dnl Consistency settings
3281 dnl
3282 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3283    DISABLE_MCS_DOCS=yes
3284    with_profile2=no
3285    with_profile4=no
3286    with_profile4_5=no
3287    with_monodroid=no
3288    with_monotouch=no
3289    with_xammac=no
3290 fi
3291
3292 if test x$DISABLE_MCS_DOCS = xyes; then
3293    docs_dir=""
3294 else
3295    docs_dir=docs
3296 fi
3297 AC_SUBST(docs_dir)
3298
3299 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3300 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3301
3302 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3303 AC_SUBST(OPROFILE_CFLAGS)
3304 AC_SUBST(OPROFILE_LIBS)
3305
3306 libmono_ldflags="$libmono_ldflags $LIBS"
3307
3308 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3309 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3310 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3311 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3312 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3313 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3314 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3315 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3316
3317 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3318 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3319 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3320 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3321 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3322 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3323 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3324 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3325 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3326 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3327 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3328 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3329 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3330 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3331 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3332 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3333 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3334 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3335
3336 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3337 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3338 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3339
3340 AC_SUBST(LIBC)
3341 AC_SUBST(INTL)
3342 AC_SUBST(SQLITE)
3343 AC_SUBST(SQLITE3)
3344 AC_SUBST(X11)
3345 AC_SUBST(GDKX11)
3346 AC_SUBST(GTKX11)
3347 AC_SUBST(XINERAMA)
3348 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3349 AC_SUBST(arch_target)
3350 AC_SUBST(CFLAGS)
3351 AC_SUBST(CPPFLAGS)
3352 AC_SUBST(LDFLAGS)
3353
3354 mono_build_root=`pwd`
3355 AC_SUBST(mono_build_root)
3356
3357 if test x$USEJIT = xtrue; then
3358   mono_runtime=mono/mini/mono
3359 else
3360   mono_runtime=mono/interpreter/mint
3361 fi
3362 AC_SUBST(mono_runtime)
3363
3364 mono_cfg_root=$mono_build_root/runtime
3365 if test x$host_win32 = xyes; then
3366   if test "x$cross_compiling" = "xno"; then
3367     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3368   else
3369     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3370   fi
3371 else
3372   mono_cfg_dir=$mono_cfg_root/etc
3373 fi
3374 AC_SUBST(mono_cfg_dir)
3375
3376 AC_CONFIG_FILES([po/mcs/Makefile.in])
3377
3378 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3379 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3380
3381 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3382 [   depth=../../../..
3383     case $srcdir in
3384     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3385     .) reldir=$depth ;;
3386     *) reldir=$depth/$srcdir ;;
3387     esac
3388     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3389     cd runtime/etc/mono/1.0
3390     rm -f machine.config
3391     $LN_S $reldir/data/net_1_1/machine.config machine.config
3392     cd $depth
3393 ],[LN_S='$LN_S'])
3394
3395 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3396 [   depth=../../../..
3397     case $srcdir in
3398     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3399     .) reldir=$depth ;;
3400     *) reldir=$depth/$srcdir ;;
3401     esac
3402     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3403     cd runtime/etc/mono/2.0
3404     rm -f machine.config
3405     $LN_S $reldir/data/net_2_0/machine.config machine.config
3406     cd $depth
3407 ],[LN_S='$LN_S'])
3408
3409 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3410 [   depth=../../../..
3411     case $srcdir in
3412     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3413     .) reldir=$depth ;;
3414     *) reldir=$depth/$srcdir ;;
3415     esac
3416     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3417     cd runtime/etc/mono/2.0
3418     rm -f web.config
3419     $LN_S $reldir/data/net_2_0/web.config web.config
3420     cd $depth
3421 ],[LN_S='$LN_S'])
3422
3423 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3424 [   depth=../../..
3425     case $srcdir in
3426     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3427     .) reldir=$depth ;;
3428     *) reldir=$depth/$srcdir ;;
3429     esac
3430     $ac_aux_dir/install-sh -d runtime/etc/mono/
3431     cd runtime/etc/mono/
3432     rm -f browscap.ini
3433     $LN_S $reldir/data/browscap.ini browscap.ini
3434     cd $depth
3435 ],[LN_S='$LN_S'])
3436
3437 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3438 [   depth=../../../../..
3439     case $srcdir in
3440     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3441     .) reldir=$depth ;;
3442     *) reldir=$depth/$srcdir ;;
3443     esac
3444     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3445     cd runtime/etc/mono/2.0/Browsers
3446     rm -f Compat.browser
3447     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3448     cd $depth
3449 ],[LN_S='$LN_S'])
3450
3451 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3452 [   depth=../../../../..
3453     case $srcdir in
3454     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3455     .) reldir=$depth ;;
3456     *) reldir=$depth/$srcdir ;;
3457     esac
3458     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3459     cd runtime/etc/mono/4.0/Browsers
3460     rm -f Compat.browser
3461     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3462     cd $depth
3463 ],[LN_S='$LN_S'])
3464
3465 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3466 [   depth=../../../../..
3467     case $srcdir in
3468     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3469     .) reldir=$depth ;;
3470     *) reldir=$depth/$srcdir ;;
3471     esac
3472     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3473     cd runtime/etc/mono/4.5/Browsers
3474     rm -f Compat.browser
3475     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3476     cd $depth
3477 ],[LN_S='$LN_S'])
3478
3479 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3480 [   depth=../../../..
3481     case $srcdir in
3482     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3483     .) reldir=$depth ;;
3484     *) reldir=$depth/$srcdir ;;
3485     esac
3486     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3487     cd runtime/etc/mono/4.0
3488     rm -f machine.config
3489     $LN_S $reldir/data/net_4_0/machine.config machine.config
3490     cd $depth
3491 ],[LN_S='$LN_S'])
3492
3493 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3494 [   depth=../../../..
3495     case $srcdir in
3496     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3497     .) reldir=$depth ;;
3498     *) reldir=$depth/$srcdir ;;
3499     esac
3500     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3501     cd runtime/etc/mono/4.0
3502     rm -f web.config
3503     $LN_S $reldir/data/net_4_0/web.config web.config
3504     cd $depth
3505 ],[LN_S='$LN_S'])
3506
3507 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3508 [   depth=../../../..
3509     case $srcdir in
3510     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3511     .) reldir=$depth ;;
3512     *) reldir=$depth/$srcdir ;;
3513     esac
3514     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3515     cd runtime/etc/mono/4.5
3516     rm -f machine.config
3517     $LN_S $reldir/data/net_4_5/machine.config machine.config
3518     cd $depth
3519 ],[LN_S='$LN_S'])
3520
3521 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3522 [   depth=../../../..
3523     case $srcdir in
3524     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3525     .) reldir=$depth ;;
3526     *) reldir=$depth/$srcdir ;;
3527     esac
3528     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3529     cd runtime/etc/mono/4.5
3530     rm -f web.config
3531     $LN_S $reldir/data/net_4_5/web.config web.config
3532     cd $depth
3533 ],[LN_S='$LN_S'])
3534
3535 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])
3536
3537 AC_OUTPUT([
3538 Makefile
3539 mono-core.spec
3540 mono-uninstalled.pc
3541 scripts/mono-find-provides
3542 scripts/mono-find-requires
3543 mono/Makefile
3544 mono/utils/Makefile
3545 mono/metadata/Makefile
3546 mono/dis/Makefile
3547 mono/cil/Makefile
3548 mono/arch/Makefile
3549 mono/arch/x86/Makefile
3550 mono/arch/amd64/Makefile
3551 mono/arch/ppc/Makefile
3552 mono/arch/sparc/Makefile
3553 mono/arch/s390x/Makefile
3554 mono/arch/arm/Makefile
3555 mono/arch/arm64/Makefile
3556 mono/arch/ia64/Makefile
3557 mono/arch/mips/Makefile
3558 mono/interpreter/Makefile
3559 mono/tests/Makefile
3560 mono/tests/tests-config
3561 mono/tests/assemblyresolve/Makefile
3562 mono/tests/cas/Makefile
3563 mono/tests/cas/assembly/Makefile
3564 mono/tests/cas/demand/Makefile
3565 mono/tests/cas/inheritance/Makefile
3566 mono/tests/cas/linkdemand/Makefile
3567 mono/tests/cas/threads/Makefile
3568 mono/tests/gc-descriptors/Makefile
3569 mono/unit-tests/Makefile
3570 mono/benchmark/Makefile
3571 mono/monograph/Makefile
3572 mono/io-layer/Makefile
3573 mono/mini/Makefile
3574 mono/profiler/Makefile
3575 m4/Makefile
3576 ikvm-native/Makefile
3577 scripts/Makefile
3578 man/Makefile
3579 docs/Makefile
3580 data/Makefile
3581 data/net_2_0/Makefile
3582 data/net_4_0/Makefile
3583 data/net_4_5/Makefile
3584 data/net_2_0/Browsers/Makefile
3585 data/net_4_0/Browsers/Makefile
3586 data/net_4_5/Browsers/Makefile
3587 data/mint.pc
3588 data/mono-2.pc
3589 data/monosgen-2.pc
3590 data/mono.pc
3591 data/mono-cairo.pc
3592 data/mono-nunit.pc
3593 data/mono-options.pc
3594 data/mono-lineeditor.pc
3595 data/monodoc.pc
3596 data/dotnet.pc
3597 data/dotnet35.pc
3598 data/wcf.pc
3599 data/cecil.pc
3600 data/system.web.extensions_1.0.pc
3601 data/system.web.extensions.design_1.0.pc
3602 data/system.web.mvc.pc
3603 data/system.web.mvc2.pc
3604 data/system.web.mvc3.pc
3605 data/aspnetwebstack.pc
3606 data/reactive.pc
3607 samples/Makefile
3608 support/Makefile
3609 data/config
3610 tools/Makefile
3611 tools/locale-builder/Makefile
3612 tools/sgen/Makefile
3613 runtime/Makefile
3614 msvc/Makefile
3615 po/Makefile
3616 ])
3617
3618 # Update all submodules recursively to ensure everything is checked out
3619 $srcdir/scripts/update_submodules
3620
3621 if test x$host_win32 = xyes; then
3622    # Get rid of 'cyg' prefixes in library names
3623    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3624    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3625    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3626    # executable doesn't work...
3627    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3628 fi
3629
3630 if test x$platform_darwin = xyes; then
3631    # This doesn't seem to be required and it slows down parallel builds
3632    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3633 fi
3634
3635 (
3636   case $prefix in
3637   NONE) prefix=$ac_default_prefix ;;
3638   esac
3639   case $exec_prefix in
3640   NONE) exec_prefix='${prefix}' ;;
3641   esac
3642
3643   #
3644   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3645   # any existing config.make.  This allows people to share the same source tree
3646   # with different build directories, one native and one cross
3647   #
3648   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3649
3650     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3651
3652     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3653     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3654     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3655     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3656     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3657     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3658     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3659     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3660
3661     case $INSTALL in
3662     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3663     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3664     esac
3665
3666     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3667
3668     export VERSION
3669     [myver=$($AWK 'BEGIN {
3670       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3671       if(length(vsplit [1]) > 4) {
3672         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3673       }
3674       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3675     }')]
3676
3677     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3678
3679     if test x$platform_darwin = xyes; then
3680       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3681     fi
3682
3683         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3684            enable_system_aot=yes
3685         fi
3686
3687     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3688       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3689     fi
3690
3691     if test x$DISABLE_MCS_DOCS = xyes; then
3692       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3693     fi
3694
3695     if test x$has_extension_module != xno; then
3696         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3697     fi
3698
3699         default_profile=net_2_0
3700     if test -z "$INSTALL_4_0_TRUE"; then :
3701                 default_profile=net_4_0
3702     fi
3703     if test -z "$INSTALL_MONODROID_TRUE"; then :
3704                 default_profile=monodroid
3705     fi
3706     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3707                 default_profile=monotouch
3708     fi
3709         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3710                 default_profile=xammac
3711         fi
3712     if test -z "$INSTALL_4_5_TRUE"; then :
3713                 default_profile=net_4_5
3714     fi
3715     
3716     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3717     
3718     if test "x$test_bcl_opt" = "xyes"; then    
3719       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3720     fi
3721
3722   fi
3723
3724   # if we have an olive folder, override the default settings
3725   if test -d $olivedir; then
3726
3727     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3728
3729       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3730
3731       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3732       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3733       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3734       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3735       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3736       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3737     fi
3738   fi
3739
3740 )
3741
3742 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3743
3744 echo "
3745         mcs source:    $mcsdir
3746
3747    Engine:
3748         GC:            $gc_msg 
3749         TLS:           $with_tls
3750         SIGALTSTACK:   $with_sigaltstack
3751         Engine:        $jit_status
3752         oprofile:      $OPROFILE
3753         BigArrays:     $enable_big_arrays
3754         DTrace:        $enable_dtrace
3755         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3756
3757    Libraries:
3758         .NET 2.0/3.5:  $with_profile2
3759         .NET 4.0:      $with_profile4
3760         .NET 4.5:      $with_profile4_5
3761         MonoDroid:     $with_monodroid
3762         MonoTouch:     $with_monotouch
3763         Xamarin.Mac:   $with_xammac
3764         JNI support:   $jdk_headers_found
3765         libgdiplus:    $libgdiplus_msg
3766         zlib:          $zlib_msg
3767         $disabled
3768 "
3769 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3770    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3771 fi