Add System.Net.Http.dll to the monotouch build.
[mono.git] / configure.in
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.2.3],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README])
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 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # to bypass the underscore linker check, can't work when cross-compiling
219                 mono_cv_uscore=yes
220                 mono_cv_clang=no
221                 ;;
222         *-*-linux*)
223                 host_win32=no
224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
225                 if test "x$disable_munmap" != "xyes"; then
226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
227                 fi
228                 libmono_cflags="-D_REENTRANT"
229                 libdl="-ldl"
230                 libgc_threads=pthreads
231                 use_sigposix=yes
232                 if test "x$cross_compiling" != "xno"; then
233                         # to bypass the underscore linker check, not
234                         # available during cross-compilation
235                         mono_cv_uscore=no
236                 fi
237                 ;;
238         *-*-nacl*)
239                 host_win32=no
240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
241                 if test "x$disable_munmap" != "xyes"; then
242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
243                 fi
244                 libmono_cflags="-D_REENTRANT"
245                 libdl=
246                 libgc_threads=pthreads
247                 gc_default=boehm
248                 use_sigposix=yes
249                 ikvm_native=no
250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
252                 ;;
253         *-*-hpux*)
254                 host_win32=no
255                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
256                 # +ESdbgasm only valid on bundled cc on RISC
257                 # silently ignored for ia64
258                 if test $GCC != "yes"; then
259                         CFLAGS="$CFLAGS +ESdbgasm"
260                         # Arrange for run-time dereferencing of null
261                         # pointers to produce a SIGSEGV signal.
262                         LDFLAGS="$LDFLAGS -z"
263                 fi
264                 CFLAGS="$CFLAGS +ESdbgasm"
265                 LDFLAGS="$LDFLAGS -z"
266                 libmono_cflags="-D_REENTRANT"
267                 libmono_ldflags="-lpthread"
268                 libgc_threads=pthreads
269                 need_link_unlink=yes
270                 use_sigposix=yes
271                 ;;
272         *-*-solaris*)
273                 host_win32=no
274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
275                 need_link_unlink=yes
276                 libmono_cflags="-D_REENTRANT"
277                 libgc_threads=pthreads
278                 # This doesn't seem to work on solaris/x86, but the configure test runs
279                 with_tls=pthread
280                 has_dtrace=yes
281                 use_sigposix=yes
282                 enable_solaris_tar_check=yes
283                 ;;
284         *-*-darwin*)
285                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
286                 host_win32=no
287                 platform_darwin=yes
288                 target_mach=yes
289                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
290                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
291                 libmono_cflags="-D_THREAD_SAFE"
292                 need_link_unlink=yes
293                 AC_DEFINE(PTHREAD_POINTER_ID)
294                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
295                 no_version_script=yes
296                 libdl=
297                 libgc_threads=pthreads
298                 has_dtrace=yes
299                 if test "x$cross_compiling" = "xyes"; then
300                         has_broken_apple_cpp=yes
301                 fi
302                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
303                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
304                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
305                 case "$host" in
306                         dnl Snow Leopard and newer config.guess reports as this
307                         i*86-*-darwin*)
308                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
309                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
310                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
312                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
313                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
314                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
315                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
316                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
317                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
318                                 extra_runtime_ldflags="-stack_size,0x800000"
319                                 ;;
320                         x*64-*-darwin*)
321                                 extra_runtime_ldflags="-stack_size,0x800000"
322                                 ;;
323                         arm*-darwin*)
324                                 has_dtrace=no
325                                 ;;                      
326                 esac
327                 ;;
328         *-*-haiku*)
329                 host_win32=no
330                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
331                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
332                 libdl=
333                 LIBS="$LIBS -lnetwork"
334                 need_link_unlink=yes
335                 AC_DEFINE(PTHREAD_POINTER_ID)
336                 libgc_threads=pthreads
337                 use_sigposix=yes
338                 ;;
339         *)
340                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
341                 host_win32=no
342                 libdl="-ldl"
343                 ;;
344 esac
345 AC_MSG_RESULT(ok)
346
347 if test x$need_link_unlink = xyes; then
348    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
349 fi
350
351 AC_SUBST(extra_runtime_ldflags)
352 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
353 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
354 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
355 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
356 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
357 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
358
359 AC_CHECK_TOOL(CC, gcc, gcc)
360 AC_PROG_CC
361 AC_CHECK_TOOL(CXX, g++, g++)
362 AC_PROG_CXX
363 AM_PROG_AS
364 AC_PROG_INSTALL
365 AC_PROG_AWK
366 AM_PROG_CC_C_O
367 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
368 : ${CCAS='$(CC)'}
369 # Set ASFLAGS if not already set.
370 : ${CCASFLAGS='$(CFLAGS)'}
371 AC_SUBST(CCAS)
372 AC_SUBST(CCASFLAGS)
373
374 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
375 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
376 if test "x$CXX" = "xg++"; then
377         if test "x$GXX" != "xyes"; then
378                 # automake/libtool is so broken, it requires g++ even if the c++ sources
379                 # are inside automake conditionals
380                 AC_MSG_ERROR([You need to install g++])
381         fi
382 fi
383
384 dnl may require a specific autoconf version
385 dnl AC_PROG_CC_FOR_BUILD
386 dnl CC_FOR_BUILD not automatically detected
387 CC_FOR_BUILD=$CC
388 CFLAGS_FOR_BUILD=$CFLAGS
389 BUILD_EXEEXT=
390 if test "x$cross_compiling" = "xyes"; then
391         CC_FOR_BUILD=cc
392         CFLAGS_FOR_BUILD=
393         BUILD_EXEEXT=""
394 fi
395 AC_SUBST(CC_FOR_BUILD)
396 AC_SUBST(CFLAGS_FOR_BUILD)
397 AC_SUBST(HOST_CC)
398 AC_SUBST(BUILD_EXEEXT)
399
400 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
401 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
402
403 # Set STDC_HEADERS
404 AC_HEADER_STDC
405 AC_LIBTOOL_WIN32_DLL
406 # This causes monodis to not link correctly
407 #AC_DISABLE_FAST_INSTALL
408 AM_PROG_LIBTOOL
409 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
410 DOLT
411
412 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
413 AC_SUBST(export_ldflags)
414
415 # Test whenever ld supports -version-script
416 AC_PROG_LD
417 AC_PROG_LD_GNU
418 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
419    no_version_script=yes
420 fi
421
422 AM_ICONV()
423
424 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
425
426 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)
427 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)
428 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
429                   [], [], [#include <stddef.h>
430                   #include <sys/socket.h>
431                   #include <linux/socket.h>])
432
433 AC_CHECK_HEADERS(sys/user.h, [], [],
434 [
435 #ifdef HAVE_SYS_PARAM_H
436 # include <sys/param.h>
437 #endif
438 ])
439
440 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
441 if test x$have_zlib = xyes; then
442    AC_TRY_COMPILE([#include <zlib.h>], [
443    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
444    return 0;
445    #else
446    #error No good zlib found
447    #endif
448    ],[
449         AC_MSG_RESULT(Using system zlib)
450         zlib_msg="system zlib"
451         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
452    ],[
453         AC_MSG_RESULT(Using embedded zlib)
454         have_zlib=no
455         zlib_msg="bundled zlib"
456    ])
457 fi
458
459 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
460 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
461
462 # for mono/metadata/debug-symfile.c
463 AC_CHECK_HEADERS(elf.h)
464
465 # for support
466 AC_CHECK_HEADERS(poll.h)
467 AC_CHECK_HEADERS(sys/poll.h)
468 AC_CHECK_HEADERS(sys/wait.h)
469 AC_CHECK_HEADERS(grp.h)
470 AC_CHECK_HEADERS(syslog.h)
471
472 # for mono/dis
473 AC_CHECK_HEADERS(wchar.h)
474 AC_CHECK_HEADERS(ieeefp.h)
475 AC_MSG_CHECKING(for isinf)
476 AC_TRY_LINK([#include <math.h>], [
477         int f = isinf (1);
478 ], [
479         AC_MSG_RESULT(yes)
480         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
481 ], [
482         # We'll have to use signals
483         AC_MSG_RESULT(no)
484 ])
485 # mingw
486 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
487         AC_TRY_LINK([#include <math.h>], 
488         [ _finite(0.0); ], 
489         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
490         AC_MSG_RESULT(no)))
491
492 # for Linux statfs support
493 AC_CHECK_HEADERS(linux/magic.h)
494
495 # not 64 bit clean in cross-compile
496 AC_CHECK_SIZEOF(void *, 4)
497
498 AC_CACHE_CHECK([for clang],
499         mono_cv_clang,[
500         AC_TRY_COMPILE([], [
501                 #ifdef __clang__
502                 #else
503                 #error "FAILED"
504                 #endif
505                 return 0;
506         ],
507         [mono_cv_clang=yes],
508         [mono_cv_clang=no],
509         [])
510 ])
511
512 WARN=''
513 if test x"$GCC" = xyes; then
514         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
515                 # The runtime code does not respect ANSI C strict aliasing rules
516                 CFLAGS="$CFLAGS -fno-strict-aliasing"
517
518                 ORIG_CFLAGS=$CFLAGS
519                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
520                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
521                 AC_TRY_COMPILE([],[
522                                 return 0;
523                 ], [
524                    AC_MSG_RESULT(yes)
525                 ], [
526                    AC_MSG_RESULT(no)
527                    CFLAGS=$ORIG_CFLAGS
528                 ])
529
530                 ORIG_CFLAGS=$CFLAGS
531                 # Check for the normal version, since gcc ignores unknown -Wno options
532                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
533                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
534                 AC_TRY_COMPILE([],[
535                                 return 0;
536                 ], [
537                    AC_MSG_RESULT(yes)
538                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
539                 ], [
540                    AC_MSG_RESULT(no)
541                    CFLAGS=$ORIG_CFLAGS
542                 ])
543
544                 if test "x$mono_cv_clang" = "xyes"; then
545                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
546                    WARN="$WARN -Qunused-arguments"
547                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
548                 fi
549 else
550         # The Sun Forte compiler complains about inline functions that access static variables
551         # so disable all inlining.
552         case "$host" in
553         *-*-solaris*)
554                 CFLAGS="$CFLAGS -Dinline="
555                 ;;
556         esac
557 fi
558 CFLAGS="$CFLAGS -g $WARN"
559 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
560
561 # Where's the 'mcs' source tree?
562 if test -d $srcdir/mcs; then
563   mcsdir=mcs
564 else
565   mcsdir=../mcs
566 fi
567
568 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
569         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
570                 mcsdir=$with_mcs_path
571         fi
572 )
573
574 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
575
576 #
577 # A sanity check to catch cases where the package was unpacked
578 # with an ancient tar program (Solaris)
579 #
580 AC_ARG_ENABLE(solaris-tar-check,
581 [  --disable-solaris-tar-check    disable solaris tar check],
582    do_solaris_tar_check=no, do_solaris_tar_check=yes)
583
584 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
585         AC_MSG_CHECKING(integrity of package)
586         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
587         then
588                 AC_MSG_RESULT(ok)
589         else
590                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
591                 AC_MSG_ERROR([$errorm])
592         fi
593 fi
594
595 if test "x$with_mcs_path" != "x"; then
596 mcs_topdir=$(cd "$mcsdir" && pwd)
597 mcs_topdir_from_srcdir=$mcs_topdir
598 else
599 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
600 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
601 fi
602
603 # Convert mcs_topdir* paths to Windows syntax.
604 if test x$cross_compiling$host_win32 = xnoyes; then
605   mcs_topdir=$(cygpath -m $mcs_topdir)
606   case $mcs_topdir_from_srcdir in
607     /cygdrive/*)
608         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
609         ;;
610   esac
611 fi
612
613 AC_SUBST([mcs_topdir])
614 AC_SUBST([mcs_topdir_from_srcdir])
615
616 # Where's the 'olive' source tree?
617 if test -d $srcdir/olive; then
618   olivedir=olive
619 else
620   olivedir=../olive
621 fi
622
623 if test -d $srcdir/$olivedir; then
624 olive_topdir='$(top_srcdir)/'$olivedir
625 fi
626
627 # gettext: prepare the translation directories. 
628 # we do not configure the full gettext, as we consume it dynamically from C#
629 AM_PO_SUBDIRS
630
631 if test "x$USE_NLS" = "xyes"; then
632    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
633
634    if test "x$HAVE_MSGFMT" = "xno"; then
635           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
636    fi
637 fi
638
639 AC_ARG_WITH([libgdiplus], 
640         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
641         [], [with_libgdiplus=installed])
642
643 case $with_libgdiplus in
644 no|installed) libgdiplus_loc= ;;
645 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
646 /*) libgdiplus_loc=$with_libgdiplus ;;
647 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
648 esac
649 AC_SUBST([libgdiplus_loc])
650
651 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
652
653 pkg_config_path=
654 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
655         if test x$with_crosspkgdir = "x"; then
656                 if test -s $PKG_CONFIG_PATH; then
657                         pkg_config_path=$PKG_CONFIG_PATH
658                 fi
659         else
660                 pkg_config_path=$with_crosspkgdir
661                 PKG_CONFIG_PATH=$pkg_config_path
662                 export PKG_CONFIG_PATH
663         fi
664 )
665
666 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
667 AC_CONFIG_SUBDIRS(eglib)
668
669 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
670 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
671 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
672 BUILD_GLIB_LIBS="$GLIB_LIBS"
673 GMODULE_CFLAGS="$GLIB_CFLAGS"
674 GMODULE_LIBS="$GLIB_LIBS"
675   
676 AC_SUBST(GLIB_CFLAGS)
677 AC_SUBST(GLIB_LIBS)
678 AC_SUBST(GMODULE_CFLAGS)
679 AC_SUBST(GMODULE_LIBS)
680 AC_SUBST(BUILD_GLIB_CFLAGS)
681 AC_SUBST(BUILD_GLIB_LIBS)
682
683 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
684
685 # Enable support for fast thread-local storage
686 # Some systems have broken support, so we allow to disable it.
687 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
688
689 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
690 # This does not work on some platforms (bug #55253)
691 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
692
693 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
694 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
695 # Same as --with-shared_mono=no
696 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
697
698 if test "x$enable_static" = "xno"; then
699    with_static_mono=no
700 fi
701
702 if test "x$enable_shared" = "xno"; then
703    with_shared_mono=no
704 fi
705
706 if test "x$enable_libraries" = "xno"; then
707    with_shared_mono=no
708 fi
709
710 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
711
712 case $host in
713 *nacl* ) with_shared_mono=yes;;
714 esac
715
716 if test "x$host_win32" = "xyes"; then
717    # Boehm GC requires the runtime to be in its own dll
718    with_static_mono=no
719 fi
720
721 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
722 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
723 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
724
725 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
726 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
727         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
728         ORIG_CFLAGS=$CFLAGS
729         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
730         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
731         AC_TRY_COMPILE([], [
732                 return 0;
733         ], [
734            AC_MSG_RESULT(yes)
735            # Pass it to libgc as well
736            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
737         ], [
738            AC_MSG_RESULT(no)
739            CFLAGS=$ORIG_CFLAGS
740         ])
741 fi
742
743 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
744
745 if test x$enable_small_config = xyes; then
746         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
747         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
748 fi
749
750 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=$enableval, enable_system_aot=default)
751
752 DISABLED_FEATURES=none
753
754 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
755      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
756      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
757          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
758 [
759         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
760                 eval "mono_feature_disable_$feature='yes'"
761         done
762         DISABLED_FEATURES=$enable_minimal
763         disabled="Disabled:      $enable_minimal"
764 ],[])
765
766 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
767
768 if test "x$mono_feature_disable_aot" = "xyes"; then
769         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
770         AC_MSG_NOTICE([Disabled AOT compiler])
771 fi
772
773 if test "x$mono_feature_disable_profiler" = "xyes"; then
774         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
775         AC_MSG_NOTICE([Disabled support for the profiler])
776 fi
777 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
778
779 if test "x$mono_feature_disable_decimal" = "xyes"; then
780         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
781         AC_MSG_NOTICE([Disabled support for decimal])
782 fi
783
784 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
785         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
786         AC_MSG_NOTICE([Disabled support for P/Invoke])
787 fi
788
789 if test "x$mono_feature_disable_debug" = "xyes"; then
790         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
791         AC_MSG_NOTICE([Disabled support for runtime debugging])
792 fi
793
794 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
795         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
796         mono_feature_disable_reflection_emit_save=yes
797         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
798 fi
799
800 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
801         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
802         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
803 fi
804
805 if test "x$mono_feature_disable_large_code" = "xyes"; then
806         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
807         AC_MSG_NOTICE([Disabled support for large assemblies])
808 fi
809
810 if test "x$mono_feature_disable_logging" = "xyes"; then
811         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
812         AC_MSG_NOTICE([Disabled support for logging])
813 fi
814
815 if test "x$mono_feature_disable_com" = "xyes"; then
816         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
817         AC_MSG_NOTICE([Disabled COM support])
818 fi
819
820 if test "x$mono_feature_disable_ssa" = "xyes"; then
821         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
822         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
823 fi
824
825 if test "x$mono_feature_disable_generics" = "xyes"; then
826         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
827         AC_MSG_NOTICE([Disabled Generics Support])
828 fi
829
830 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
831         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
832         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
833 fi
834
835 if test "x$mono_feature_disable_portability" = "xyes"; then
836         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
837         AC_MSG_NOTICE([Disabled IO Portability layer])
838 fi
839
840 if test "x$mono_feature_disable_attach" = "xyes"; then
841         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
842         AC_MSG_NOTICE([Disabled agent attach])
843 fi
844
845 if test "x$mono_feature_disable_full_messages" = "xyes"; then
846         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
847         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
848 fi
849
850 if test "x$mono_feature_disable_verifier" = "xyes"; then
851         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
852         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
853 fi
854
855 if test "x$mono_feature_disable_jit" = "xyes"; then
856         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
857         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
858 fi
859
860 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
861
862 if test "x$mono_feature_disable_simd" = "xyes"; then
863         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
864         AC_MSG_NOTICE([Disabled SIMD support])
865 fi
866
867 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
868         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
869         AC_MSG_NOTICE([Disabled Soft Debugger.])
870 fi
871
872 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
873         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
874         AC_MSG_NOTICE([Disabled Performance Counters.])
875 fi
876 if test "x$mono_feature_disable_normalization" = "xyes"; then
877         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
878         AC_MSG_NOTICE([Disabled String normalization support.])
879 fi
880
881 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
882         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
883         AC_MSG_NOTICE([Disabled Assembly remapping.])
884 fi
885
886 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
887         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
888         AC_MSG_NOTICE([Disabled Shared perfcounters.])
889 fi
890
891 if test "x$mono_feature_disable_appdomains" = "xyes"; then
892         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
893         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
894 fi
895
896 if test "x$mono_feature_disable_remoting" = "xyes"; then
897         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
898         AC_MSG_NOTICE([Disabled remoting])
899 fi
900
901 if test "x$mono_feature_disable_security" = "xyes"; then
902         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
903         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
904 fi
905
906 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
907         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
908         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
909 fi
910
911 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
912         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
913         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
914 fi
915
916 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
918         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
919 fi
920
921 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
922         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
923         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
924 fi
925
926 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
928         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
929 fi
930
931 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
932 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
933
934 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
935 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
936
937 if test x$has_extension_module != xno ; then
938         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
939         AC_MSG_NOTICE([Enabling mono extension module.])
940 fi
941
942
943 AC_MSG_CHECKING(for visibility __attribute__)
944 AC_COMPILE_IFELSE([
945         AC_LANG_SOURCE([[
946                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
947                 int main () { doit (); return 0; }
948         ]])
949 ], [
950    have_visibility_hidden=yes
951    AC_MSG_RESULT(yes)
952 ], [
953    have_visibility_hidden=no
954    AC_MSG_RESULT(no)
955 ])
956
957 AC_MSG_CHECKING(for deprecated __attribute__)
958 AC_TRY_COMPILE([
959      int doit (void) __attribute__ ((deprecated));
960      int doit (void) { return 0; }
961 ], [
962         return 0;
963 ], [
964    have_deprecated=yes
965    AC_MSG_RESULT(yes)
966 ], [
967    have_deprecated=no
968    AC_MSG_RESULT(no)
969 ])
970
971 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
972 if test x$enable_parallel_mark = xyes; then
973         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
974 fi
975
976 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
977 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
978
979 dnl
980 dnl Boehm GC configuration
981 dnl
982 LIBGC_CPPFLAGS=
983 LIBGC_LIBS=
984 LIBGC_STATIC_LIBS=
985 libgc_dir=
986 case "x$gc" in
987         xboehm|xbohem|xyes)
988                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
989                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
990
991                 if test "x$found_boehm" != "xyes"; then
992                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
993                 fi
994                 if test "x$gc_headers" != "xyes"; then
995                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
996                 fi
997
998                 LIBGC_LIBS="-lgc $libdl"
999                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1000                 libmono_ldflags="$libmono_ldflags -lgc"
1001                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1002
1003                 # AC_CHECK_FUNCS does not work for some reason...
1004                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1005                 if test "x$found_gcj_malloc" = "xyes"; then
1006                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1007                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1008                         gc_msg="System Boehm with typed GC"
1009                 else
1010                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1011                         gc_msg="System Boehm (without typed GC)"
1012                 fi
1013                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1014                 if test "x$found_gc_enable" = "xyes"; then
1015                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1016                 fi
1017
1018                 # check whether we need to explicitly allow
1019                 # thread registering
1020                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1021                 if test "x$found_allow_register_threads" = "xyes"; then
1022                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1023                 fi
1024
1025                 ;;
1026
1027         xincluded)
1028                 use_included_gc=yes
1029                 libgc_dir=libgc
1030
1031                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1032                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1033                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1034
1035                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1036
1037                 gc_msg="bundled Boehm GC with typed GC"
1038                 if test x$enable_parallel_mark = xyes; then
1039                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1040                         gc_msg="$gc_msg and parallel mark"
1041                 else
1042                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1043                 fi
1044                 ;;
1045
1046         xsgen)
1047                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1048                 ;;
1049
1050         xnone)
1051                 AC_MSG_WARN("Compiling mono without GC.")
1052                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1053                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1054                 ;;
1055         *)
1056                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1057                 ;;
1058 esac
1059
1060 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1061 if test "x$large_heap" = "xyes"; then
1062    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1063 fi
1064
1065 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1066 AC_SUBST(LIBGC_CPPFLAGS)
1067 AC_SUBST(LIBGC_LIBS)
1068 AC_SUBST(LIBGC_STATIC_LIBS)
1069 AC_SUBST(libgc_dir)
1070 AC_SUBST(BOEHM_DEFINES)
1071
1072 dnl
1073 dnl End of libgc checks
1074 dnl
1075
1076 dnl *************************************
1077 dnl *** Checks for zero length arrays ***
1078 dnl *************************************
1079 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1080 AC_TRY_COMPILE([
1081         struct s {
1082                 int  length;
1083                 char data [0];
1084         };
1085 ], [], [
1086         AC_MSG_RESULT(yes)
1087         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1088 ], [
1089         AC_MSG_RESULT(no)
1090         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1091 ])
1092
1093 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1094
1095 if test x$target_win32 = xno; then
1096
1097         dnl hires monotonic clock support
1098         AC_SEARCH_LIBS(clock_gettime, rt)
1099
1100         dnl dynamic loader support
1101         AC_CHECK_FUNC(dlopen, DL_LIB="",
1102                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1103         )
1104         if test x$dl_support = xno; then
1105                 AC_MSG_WARN([No dynamic loading support available])
1106         else
1107                 LIBS="$LIBS $DL_LIB"
1108                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1109                 dnl from glib's configure.in
1110                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1111                         mono_cv_uscore,[
1112                         AC_TRY_RUN([#include <dlfcn.h>
1113                         int mono_underscore_test (void) { return 42; }
1114                         int main() {
1115                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1116                           handle = dlopen ((void*)0, 0);
1117                           if (handle) {
1118                             f1 = dlsym (handle, "mono_underscore_test");
1119                             f2 = dlsym (handle, "_mono_underscore_test");
1120                           } return (!f2 || f1);
1121                         }],
1122                                 [mono_cv_uscore=yes],
1123                                 [mono_cv_uscore=no],
1124                         [])
1125                 ])
1126                 if test "x$mono_cv_uscore" = "xyes"; then
1127                         MONO_DL_NEED_USCORE=1
1128                 else
1129                         MONO_DL_NEED_USCORE=0
1130                 fi
1131                 AC_SUBST(MONO_DL_NEED_USCORE)
1132                 AC_CHECK_FUNC(dlerror)
1133         fi
1134
1135         dnl ******************************************************************
1136         dnl *** Checks for the IKVM JNI interface library                  ***
1137         dnl ******************************************************************
1138         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])
1139
1140         ikvm_native_dir=
1141         if test x$with_ikvm_native = xyes; then
1142                 ikvm_native_dir=ikvm-native
1143                 jdk_headers_found="IKVM Native"
1144         fi
1145
1146         AC_SUBST(ikvm_native_dir)
1147
1148         AC_CHECK_HEADERS(execinfo.h)
1149
1150         AC_CHECK_HEADERS(sys/auxv.h)
1151
1152         AC_CHECK_FUNCS(getgrgid_r)
1153         AC_CHECK_FUNCS(getgrnam_r)
1154         AC_CHECK_FUNCS(getpwnam_r)
1155         AC_CHECK_FUNCS(getpwuid_r)
1156         AC_CHECK_FUNCS(getresuid)
1157         AC_CHECK_FUNCS(setresuid)
1158         AC_CHECK_FUNCS(kqueue)
1159         AC_CHECK_FUNCS(backtrace_symbols)
1160         AC_CHECK_FUNCS(mkstemp)
1161         AC_CHECK_FUNCS(mmap)
1162         AC_CHECK_FUNCS(madvise)
1163         AC_CHECK_FUNCS(getrusage)
1164         AC_CHECK_FUNCS(getpriority)
1165         AC_CHECK_FUNCS(setpriority)
1166         AC_CHECK_FUNCS(dl_iterate_phdr)
1167         AC_CHECK_FUNCS(dladdr)
1168         AC_CHECK_FUNCS(sysconf)
1169
1170         AC_CHECK_FUNCS(sched_setaffinity)
1171         AC_CHECK_FUNCS(sched_getcpu)
1172
1173         dnl ****************************************************************
1174         dnl *** Check for sched_setaffinity from glibc versions before   ***
1175         dnl *** 2.3.4. The older versions of the function only take 2    ***
1176         dnl *** parameters, not 3.                                       ***
1177         dnl ***                                                          ***
1178         dnl *** Because the interface change was not made in a minor     ***
1179         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1180         dnl *** won't always indicate the interface sched_affinity has.  ***
1181         dnl ****************************************************************
1182         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1183         AC_TRY_COMPILE([#include <sched.h>], [
1184             int mask = 1; 
1185             sched_setaffinity(0, &mask);
1186                         return 0;
1187         ], [
1188                 # Yes, we have it...
1189                 AC_MSG_RESULT(yes)
1190                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1191         ], [
1192                 # We have the new, three-parameter version
1193                 AC_MSG_RESULT(no)
1194         ])
1195
1196
1197         dnl ******************************************************************
1198         dnl *** Check for large file support                               ***
1199         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1200         dnl ******************************************************************
1201         
1202         # Check that off_t can represent 2**63 - 1 correctly, working around
1203         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1204         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1205         large_offt=no
1206         AC_DEFUN([LARGE_FILES], [
1207                 large_CPPFLAGS=$CPPFLAGS
1208                 CPPFLAGS="$CPPFLAGS $1"
1209                 AC_TRY_COMPILE([
1210                         #include <sys/types.h>
1211                         #include <limits.h>
1212                 ], [
1213                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1214                         #define COMPILE_TIME_ASSERT(pred) \
1215                                 switch(0){case 0:case pred:;}
1216                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1217                 ], [
1218                         AC_MSG_RESULT(ok)
1219                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1220                         large_CPPFLAGS="$large_CPPFLAGS $1"
1221                         large_offt=yes
1222                 ], [
1223                         AC_MSG_RESULT(no)
1224                 ])
1225                 CPPFLAGS=$large_CPPFLAGS
1226         ])
1227
1228         AC_MSG_CHECKING(if off_t is 64 bits wide)
1229         LARGE_FILES("")
1230         if test $large_offt = no; then
1231                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1232                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1233         fi
1234         if test $large_offt = no; then
1235                 AC_MSG_WARN([No 64 bit file size support available])
1236         fi
1237         
1238         dnl *****************************
1239         dnl *** Checks for libsocket  ***
1240         dnl *****************************
1241         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1242
1243         case "$host" in
1244                 *-*-*freebsd*)
1245                         dnl *****************************
1246                         dnl *** Checks for libinotify ***
1247                         dnl *****************************
1248                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1249         esac
1250
1251         dnl *******************************
1252         dnl *** Checks for MSG_NOSIGNAL ***
1253         dnl *******************************
1254         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1255         AC_TRY_COMPILE([#include <sys/socket.h>], [
1256                 int f = MSG_NOSIGNAL;
1257         ], [
1258                 # Yes, we have it...
1259                 AC_MSG_RESULT(yes)
1260                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1261         ], [
1262                 # We'll have to use signals
1263                 AC_MSG_RESULT(no)
1264         ])
1265
1266         dnl *****************************
1267         dnl *** Checks for IPPROTO_IP ***
1268         dnl *****************************
1269         AC_MSG_CHECKING(for IPPROTO_IP)
1270         AC_TRY_COMPILE([#include <netinet/in.h>], [
1271                 int level = IPPROTO_IP;
1272         ], [
1273                 # Yes, we have it...
1274                 AC_MSG_RESULT(yes)
1275                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1276         ], [
1277                 # We'll have to use getprotobyname
1278                 AC_MSG_RESULT(no)
1279         ])
1280
1281         dnl *******************************
1282         dnl *** Checks for IPPROTO_IPV6 ***
1283         dnl *******************************
1284         AC_MSG_CHECKING(for IPPROTO_IPV6)
1285         AC_TRY_COMPILE([#include <netinet/in.h>], [
1286                 int level = IPPROTO_IPV6;
1287         ], [
1288                 # Yes, we have it...
1289                 AC_MSG_RESULT(yes)
1290                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1291         ], [
1292                 # We'll have to use getprotobyname
1293                 AC_MSG_RESULT(no)
1294         ])
1295
1296         dnl ******************************
1297         dnl *** Checks for IPPROTO_TCP ***
1298         dnl ******************************
1299         AC_MSG_CHECKING(for IPPROTO_TCP)
1300         AC_TRY_COMPILE([#include <netinet/in.h>], [
1301                 int level = IPPROTO_TCP;
1302         ], [
1303                 # Yes, we have it...
1304                 AC_MSG_RESULT(yes)
1305                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1306         ], [
1307                 # We'll have to use getprotobyname
1308                 AC_MSG_RESULT(no)
1309         ])
1310
1311         dnl *****************************
1312         dnl *** Checks for SOL_IP     ***
1313         dnl *****************************
1314         AC_MSG_CHECKING(for SOL_IP)
1315         AC_TRY_COMPILE([#include <netdb.h>], [
1316                 int level = SOL_IP;
1317         ], [
1318                 # Yes, we have it...
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1321         ], [
1322                 # We'll have to use getprotobyname
1323                 AC_MSG_RESULT(no)
1324         ])
1325
1326         dnl *****************************
1327         dnl *** Checks for SOL_IPV6     ***
1328         dnl *****************************
1329         AC_MSG_CHECKING(for SOL_IPV6)
1330         AC_TRY_COMPILE([#include <netdb.h>], [
1331                 int level = SOL_IPV6;
1332         ], [
1333                 # Yes, we have it...
1334                 AC_MSG_RESULT(yes)
1335                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1336         ], [
1337                 # We'll have to use getprotobyname
1338                 AC_MSG_RESULT(no)
1339         ])
1340
1341         dnl *****************************
1342         dnl *** Checks for SOL_TCP    ***
1343         dnl *****************************
1344         AC_MSG_CHECKING(for SOL_TCP)
1345         AC_TRY_COMPILE([#include <netdb.h>], [
1346                 int level = SOL_TCP;
1347         ], [
1348                 # Yes, we have it...
1349                 AC_MSG_RESULT(yes)
1350                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1351         ], [
1352                 # We'll have to use getprotobyname
1353                 AC_MSG_RESULT(no)
1354         ])
1355
1356         dnl *****************************
1357         dnl *** Checks for IP_PKTINFO ***
1358         dnl *****************************
1359         AC_MSG_CHECKING(for IP_PKTINFO)
1360         AC_TRY_COMPILE([#include <linux/in.h>], [
1361                 int level = IP_PKTINFO;
1362         ], [
1363                 # Yes, we have it...
1364                 AC_MSG_RESULT(yes)
1365                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1366         ], [
1367                 AC_MSG_RESULT(no)
1368         ])
1369
1370         dnl *****************************
1371         dnl *** Checks for IPV6_PKTINFO ***
1372         dnl *****************************
1373         AC_MSG_CHECKING(for IPV6_PKTINFO)
1374         AC_TRY_COMPILE([#include <netdb.h>], [
1375                 int level = IPV6_PKTINFO;
1376         ], [
1377                 # Yes, we have it...
1378                 AC_MSG_RESULT(yes)
1379                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1380         ], [
1381                 AC_MSG_RESULT(no)
1382         ])
1383
1384         dnl **********************************
1385         dnl *** Checks for IP_DONTFRAG     ***
1386         dnl **********************************
1387         AC_MSG_CHECKING(for IP_DONTFRAG)
1388         AC_TRY_COMPILE([#include <netinet/in.h>], [
1389                 int level = IP_DONTFRAG;
1390         ], [
1391                 # Yes, we have it...
1392                 AC_MSG_RESULT(yes)
1393                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1394         ], [
1395                 AC_MSG_RESULT(no)
1396         ])
1397
1398         dnl **********************************
1399         dnl *** Checks for IP_DONTFRAGMENT ***
1400         dnl **********************************
1401         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1402         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1403                 int level = IP_DONTFRAGMENT;
1404         ], [
1405                 # Yes, we have it...
1406                 AC_MSG_RESULT(yes)
1407                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1408         ], [
1409                 AC_MSG_RESULT(no)
1410         ])
1411
1412         dnl **********************************
1413         dnl *** Checks for IP_MTU_DISCOVER ***
1414         dnl **********************************
1415         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1416         AC_TRY_COMPILE([#include <linux/in.h>], [
1417                 int level = IP_MTU_DISCOVER;
1418         ], [
1419                 # Yes, we have it...
1420                 AC_MSG_RESULT(yes)
1421                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1422         ], [
1423                 AC_MSG_RESULT(no)
1424         ])
1425
1426         dnl **********************************
1427         dnl *** Checks for  IP_PMTUDISC_DO ***
1428         dnl **********************************
1429         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1430         AC_TRY_COMPILE([#include <linux/in.h>], [
1431                 int level = IP_PMTUDISC_DO;
1432         ], [
1433                 # Yes, we have it...
1434                 AC_MSG_RESULT(yes)
1435                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1436         ], [
1437                 AC_MSG_RESULT(no)
1438         ])
1439
1440         dnl *********************************
1441         dnl *** Check for struct ip_mreqn ***
1442         dnl *********************************
1443         AC_MSG_CHECKING(for struct ip_mreqn)
1444         AC_TRY_COMPILE([#include <netinet/in.h>], [
1445                 struct ip_mreqn mreq;
1446                 mreq.imr_address.s_addr = 0;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1451         ], [
1452                 # We'll just have to try and use struct ip_mreq
1453                 AC_MSG_RESULT(no)
1454                 AC_MSG_CHECKING(for struct ip_mreq)
1455                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1456                         struct ip_mreq mreq;
1457                         mreq.imr_interface.s_addr = 0;
1458                 ], [
1459                         # Yes, we have it...
1460                         AC_MSG_RESULT(yes)
1461                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1462                 ], [
1463                         # No multicast support
1464                         AC_MSG_RESULT(no)
1465                 ])
1466         ])
1467         
1468         dnl **********************************
1469         dnl *** Check for gethostbyname2_r ***
1470         dnl **********************************
1471         AC_MSG_CHECKING(for gethostbyname2_r)
1472                 AC_TRY_LINK([#include <netdb.h>], [
1473                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1478         ], [
1479                 AC_MSG_RESULT(no)
1480         ])
1481
1482         dnl *****************************
1483         dnl *** Checks for libnsl     ***
1484         dnl *****************************
1485         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1486
1487         AC_CHECK_FUNCS(inet_pton inet_aton)
1488
1489         dnl ***********************************************
1490         dnl *** Checks for size of sockaddr_un.sun_path ***
1491         dnl ***********************************************
1492         # AC_CHECK_SIZEOF can't cope with struct members :-(
1493         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1494         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1495                 [AC_TRY_RUN([
1496                         #include <sys/types.h>
1497                         #include <stdio.h>
1498                         #include <sys/un.h>
1499
1500                         int main(void) {
1501                                 struct sockaddr_un sock_un;
1502                                 FILE *f=fopen("conftestval", "w");
1503                                 if(!f) exit(1);
1504                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1505                                 exit(0);
1506                         }
1507                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1508                    mono_cv_sizeof_sunpath=0,
1509                    mono_cv_sizeof_sunpath=0)])dnl
1510         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1511         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1512
1513         dnl *****************************
1514         dnl *** Checks for libxnet    ***
1515         dnl *****************************
1516         case "${host}" in
1517                 *solaris* )
1518                         AC_MSG_CHECKING(for Solaris XPG4 support)
1519                         if test -f /usr/lib/libxnet.so; then
1520                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1521                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1522                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1523                                 LIBS="$LIBS -lxnet"
1524                                 AC_MSG_RESULT(yes)
1525                         else
1526                                 AC_MSG_RESULT(no)
1527                         fi
1528
1529                         if test "$GCC" = "yes"; then
1530                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1531                         fi
1532                 ;;
1533         esac
1534
1535         dnl *****************************
1536         dnl *** Checks for libpthread ***
1537         dnl *****************************
1538 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1539 # and libpthread does not exist
1540 #
1541         case "${host}" in
1542                 *-*-*freebsd*)
1543                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1544                 ;;
1545                 *-*-*openbsd*)
1546                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1547                 ;;
1548                 *)
1549                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1550                 ;;
1551         esac
1552         AC_CHECK_HEADERS(pthread.h)
1553         AC_CHECK_HEADERS(pthread_np.h)
1554         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1555         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1556         AC_CHECK_FUNCS(pthread_kill)
1557         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1558         AC_TRY_COMPILE([ #include <pthread.h>], [
1559                 pthread_mutexattr_t attr;
1560                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1561         ], [
1562                 AC_MSG_RESULT(ok)
1563         ], [
1564                 AC_MSG_RESULT(no)
1565                 AC_ERROR(Posix system lacks support for recursive mutexes)
1566         ])
1567         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1568         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1569         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1570
1571         dnl ***********************************
1572         dnl *** Checks for signals
1573         dnl ***********************************
1574         AC_CHECK_HEADERS(signal.h)
1575         AC_CHECK_FUNCS(sigaction)
1576
1577         dnl ***********************************
1578         dnl *** Checks for working __thread ***
1579         dnl ***********************************
1580         AC_MSG_CHECKING(for working __thread)
1581         if test "x$with_tls" != "x__thread"; then
1582                 AC_MSG_RESULT(disabled)
1583         else
1584                 AC_TRY_RUN([
1585                         #if defined(__APPLE__) && defined(__clang__)
1586                         #error "__thread does not currently work with clang on Mac OS X"
1587                         #endif
1588                         
1589                         #include <pthread.h>
1590                         __thread int i;
1591                         static int res1, res2;
1592
1593                         void thread_main (void *arg)
1594                         {
1595                                 i = arg;
1596                                 sleep (1);
1597                                 if (arg == 1)
1598                                         res1 = (i == arg);
1599                                 else
1600                                         res2 = (i == arg);
1601                         }
1602
1603                         int main () {
1604                                 pthread_t t1, t2;
1605
1606                                 i = 5;
1607
1608                                 pthread_create (&t1, NULL, thread_main, 1);
1609                                 pthread_create (&t2, NULL, thread_main, 2);
1610
1611                                 pthread_join (t1, NULL);
1612                                 pthread_join (t2, NULL);
1613
1614                                 return !(res1 + res2 == 2);
1615                         }
1616                 ], [
1617                                 AC_MSG_RESULT(yes)
1618                 ], [
1619                                 AC_MSG_RESULT(no)
1620                                 with_tls=pthread
1621                 ])
1622         fi
1623
1624         dnl **************************************
1625         dnl *** Checks for working sigaltstack ***
1626         dnl **************************************
1627         AC_MSG_CHECKING(for working sigaltstack)
1628         if test "x$with_sigaltstack" != "xyes"; then
1629                 AC_MSG_RESULT(disabled)
1630         else
1631                 AC_TRY_RUN([
1632                         #include <stdio.h>
1633                         #include <stdlib.h>
1634                         #include <unistd.h>
1635                         #include <signal.h>
1636                         #include <pthread.h>
1637                         #include <sys/wait.h>
1638                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1639                         #define SA_STACK SA_ONSTACK
1640                         #endif
1641                         static void
1642                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1643                         {
1644                                 exit (0);
1645                         }
1646
1647                         volatile char*__ptr = NULL;
1648                         static void *
1649                         loop (void *ignored)
1650                         {
1651                                 *__ptr = 0;
1652                                 return NULL;
1653                         }
1654
1655                         static void
1656                         child ()
1657                         {
1658                                 struct sigaction sa;
1659                         #ifdef __APPLE__
1660                                 stack_t sas;
1661                         #else
1662                                 struct sigaltstack sas;
1663                         #endif
1664                                 pthread_t id;
1665                                 pthread_attr_t attr;
1666
1667                                 sa.sa_sigaction = sigsegv_signal_handler;
1668                                 sigemptyset (&sa.sa_mask);
1669                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1670                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1671                                         perror ("sigaction");
1672                                         return;
1673                                 }
1674
1675                                 /* x86 darwin deliver segfaults using SIGBUS */
1676                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1677                                         perror ("sigaction");
1678                                         return;
1679                                 }
1680                                 sas.ss_sp = malloc (SIGSTKSZ);
1681                                 sas.ss_size = SIGSTKSZ;
1682                                 sas.ss_flags = 0;
1683                                 if (sigaltstack (&sas, NULL) == -1) {
1684                                         perror ("sigaltstack");
1685                                         return;
1686                                 }
1687
1688                                 pthread_attr_init (&attr);
1689                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1690                                         printf ("pthread_create\n");
1691                                         return;
1692                                 }
1693
1694                                 sleep (100);
1695                         }
1696
1697                         int
1698                         main ()
1699                         {
1700                                 pid_t son;
1701                                 int status;
1702                                 int i;
1703
1704                                 son = fork ();
1705                                 if (son == -1) {
1706                                         return 1;
1707                                 }
1708
1709                                 if (son == 0) {
1710                                         child ();
1711                                         return 0;
1712                                 }
1713
1714                                 for (i = 0; i < 300; ++i) {
1715                                         waitpid (son, &status, WNOHANG);
1716                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1717                                                 return 0;
1718                                         usleep (10000);
1719                                 }
1720
1721                                 kill (son, SIGKILL);
1722                                 return 1;
1723                         }
1724
1725                 ], [
1726                                 AC_MSG_RESULT(yes)
1727                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1728                 ], [
1729                                 with_sigaltstack=no
1730                                 AC_MSG_RESULT(no)
1731                 ])
1732         fi
1733
1734         dnl ********************************
1735         dnl *** Checks for semaphore lib ***
1736         dnl ********************************
1737         # 'Real Time' functions on Solaris
1738         # posix4 on Solaris 2.6
1739         # pthread (first!) on Linux
1740         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1741
1742         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1743         AC_CHECK_FUNCS(shm_open)
1744
1745         dnl ********************************
1746         dnl *** Checks for timezone stuff **
1747         dnl ********************************
1748         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1749                 AC_TRY_COMPILE([
1750                         #include <time.h>
1751                         ], [
1752                         struct tm tm;
1753                         tm.tm_gmtoff = 1;
1754                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1755         if test $ac_cv_struct_tm_gmtoff = yes; then
1756                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1757         else
1758                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1759                         AC_TRY_COMPILE([
1760                                 #include <time.h>
1761                         ], [
1762                                 timezone = 1;
1763                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1764                 if test $ac_cv_var_timezone = yes; then
1765                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1766                 else
1767                         AC_ERROR(unable to find a way to determine timezone)
1768                 fi
1769         fi
1770
1771         dnl *********************************
1772         dnl *** Checks for math functions ***
1773         dnl *********************************
1774         AC_SEARCH_LIBS(sqrtf, m)
1775         if test "x$has_broken_apple_cpp" != "xyes"; then
1776                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1777                         AC_TRY_LINK([#include <math.h>], 
1778                         [ finite(0.0); ], 
1779                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1780                         AC_MSG_RESULT(no)))
1781         fi
1782         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1783                 AC_TRY_LINK([#include <math.h>], 
1784                 [ isfinite(0.0); ], 
1785                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1786                 AC_MSG_RESULT(no)))
1787
1788         dnl ****************************************************************
1789         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1790         dnl *** have it in the library (duh))                            ***
1791         dnl ****************************************************************
1792         AC_CHECK_FUNCS(poll)
1793
1794         dnl *************************
1795         dnl *** Check for signbit ***
1796         dnl *************************
1797         AC_MSG_CHECKING(for signbit)
1798         AC_TRY_LINK([#include <math.h>], [
1799                 int s = signbit(1.0);
1800         ], [
1801                 AC_MSG_RESULT(yes)
1802                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1803         ], [
1804                 AC_MSG_RESULT(no)
1805         ]) 
1806
1807         dnl **********************************
1808         dnl *** epoll                      ***
1809         dnl **********************************
1810         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1811                 AC_CHECK_HEADERS(sys/epoll.h)
1812                 haveepoll=no
1813                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1814                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1815                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1816                 fi
1817         fi
1818
1819         havekqueue=no
1820         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1821                 AC_TRY_LINK([#include <sys/event.h>], 
1822                 [ kqueue(); ],[havekqueue=yes],[]))
1823
1824         dnl **************************************
1825         dnl * Darwin has a race that prevents us from using reliably:
1826         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1827         dnl * Since kqueue is mostly used for scaling large web servers, 
1828         dnl * and very few folks run Mono on large web servers on OSX, falling
1829         dnl * back 
1830         dnl **************************************
1831         if test x$havekqueue = xyes; then
1832                 if x$platform_darwin = xno; then
1833                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1834                 fi
1835         fi
1836
1837         dnl ******************************
1838         dnl *** Checks for SIOCGIFCONF ***
1839         dnl ******************************
1840         AC_CHECK_HEADERS(sys/ioctl.h)
1841         AC_CHECK_HEADERS(net/if.h, [], [],
1842            [
1843            #ifdef HAVE_SYS_TYPES_H
1844            # include <sys/types.h>
1845            #endif
1846            #ifdef HAVE_SYS_SOCKET_H
1847            # include <sys/socket.h>
1848            #endif
1849            ])
1850         AC_MSG_CHECKING(for ifreq)
1851         AC_TRY_COMPILE([
1852                 #include <stdio.h>
1853                 #include <sys/ioctl.h>
1854                 #include <net/if.h>
1855                 ], [
1856                 struct ifconf ifc;
1857                 struct ifreq *ifr;
1858                 void *x;
1859                 ifc.ifc_len = 0;
1860                 ifc.ifc_buf = NULL;
1861                 x = (void *) &ifr->ifr_addr;
1862                 ],[
1863                         AC_MSG_RESULT(yes)
1864                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1865                 ], [
1866                         AC_MSG_RESULT(no)
1867                 ])
1868         dnl **********************************
1869         dnl ***     Checks for sin_len     ***
1870         dnl **********************************
1871         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1872         AC_TRY_COMPILE([
1873                 #include <netinet/in.h>
1874                 ], [
1875                 struct sockaddr_in saddr;
1876                 saddr.sin_len = sizeof (saddr);
1877                 ],[
1878                         AC_MSG_RESULT(yes)
1879                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1880                 ], [
1881                         AC_MSG_RESULT(no)
1882                 ])      
1883         dnl **********************************
1884         dnl ***    Checks for sin6_len     ***
1885         dnl **********************************
1886         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1887         AC_TRY_COMPILE([
1888                 #include <netinet/in.h>
1889                 ], [
1890                 struct sockaddr_in6 saddr6;
1891                 saddr6.sin6_len = sizeof (saddr6);
1892                 ],[
1893                         AC_MSG_RESULT(yes)
1894                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1895                 ], [
1896                         AC_MSG_RESULT(no)
1897                 ])
1898         dnl **********************************
1899         dnl *** Check for getifaddrs       ***
1900         dnl **********************************
1901         AC_MSG_CHECKING(for getifaddrs)
1902                 AC_TRY_LINK([
1903                 #include <stdio.h>
1904                 #include <sys/types.h>
1905                 #include <sys/socket.h>
1906                 #include <ifaddrs.h>
1907         ], [
1908                 getifaddrs(NULL);
1909         ], [
1910                 # Yes, we have it...
1911                 AC_MSG_RESULT(yes)
1912                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1913         ], [
1914                 AC_MSG_RESULT(no)
1915         ])
1916         dnl **********************************
1917         dnl *** Check for if_nametoindex   ***
1918         dnl **********************************
1919         AC_MSG_CHECKING(for if_nametoindex)
1920                 AC_TRY_LINK([
1921                 #include <stdio.h>
1922                 #include <sys/types.h>
1923                 #include <sys/socket.h>
1924                 #include <net/if.h>
1925         ], [
1926                 if_nametoindex(NULL);
1927         ], [
1928                 # Yes, we have it...
1929                 AC_MSG_RESULT(yes)
1930                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1931         ], [
1932                 AC_MSG_RESULT(no)
1933         ])
1934                         
1935         dnl **********************************
1936         dnl *** Checks for MonoPosixHelper ***
1937         dnl **********************************
1938         AC_CHECK_HEADERS(checklist.h)
1939         AC_CHECK_HEADERS(pathconf.h)
1940         AC_CHECK_HEADERS(fstab.h)
1941         AC_CHECK_HEADERS(attr/xattr.h)
1942         AC_CHECK_HEADERS(sys/extattr.h)
1943         AC_CHECK_HEADERS(sys/sendfile.h)
1944         AC_CHECK_HEADERS(sys/statvfs.h)
1945         AC_CHECK_HEADERS(sys/statfs.h)
1946         AC_CHECK_HEADERS(sys/vfstab.h)
1947         AC_CHECK_HEADERS(sys/xattr.h)
1948         AC_CHECK_HEADERS(sys/mman.h)
1949         AC_CHECK_HEADERS(sys/param.h)
1950         AC_CHECK_HEADERS(sys/mount.h, [], [],
1951                 [
1952                 #ifdef HAVE_SYS_PARAM_H
1953                 # include <sys/param.h>
1954                 #endif
1955                 ])
1956         AC_CHECK_HEADERS(sys/mount.h)
1957         AC_CHECK_FUNCS(confstr)
1958         AC_CHECK_FUNCS(seekdir telldir)
1959         AC_CHECK_FUNCS(getdomainname)
1960         AC_CHECK_FUNCS(setdomainname)
1961         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1962         AC_CHECK_FUNCS(setgroups)
1963         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1964         AC_CHECK_FUNCS(getfsstat)
1965         AC_CHECK_FUNCS(lutimes futimes)
1966         AC_CHECK_FUNCS(mremap)
1967         AC_CHECK_FUNCS(remap_file_pages)
1968         AC_CHECK_FUNCS(posix_fadvise)
1969         AC_CHECK_FUNCS(posix_fallocate)
1970         AC_CHECK_FUNCS(posix_madvise)
1971         AC_CHECK_FUNCS(vsnprintf)
1972         AC_CHECK_FUNCS(sendfile)
1973         AC_CHECK_FUNCS(gethostid sethostid)
1974         AC_CHECK_FUNCS(sethostname)
1975         AC_CHECK_FUNCS(statfs)
1976         AC_CHECK_FUNCS(fstatfs)
1977         AC_CHECK_FUNCS(statvfs)
1978         AC_CHECK_FUNCS(fstatvfs)
1979         AC_CHECK_FUNCS(stime)
1980         AC_CHECK_FUNCS(strerror_r)
1981         AC_CHECK_FUNCS(ttyname_r)
1982         AC_CHECK_FUNCS(psignal)
1983         AC_CHECK_FUNCS(getlogin_r)
1984         AC_CHECK_FUNCS(lockf)
1985         AC_CHECK_FUNCS(swab)
1986         AC_CHECK_FUNCS(setusershell endusershell)
1987         AC_CHECK_FUNCS(futimens utimensat)
1988         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1989         AC_CHECK_FUNCS(readv writev preadv pwritev)
1990         AC_CHECK_SIZEOF(size_t)
1991         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1992                 [#include <sys/types.h>
1993                  #include <sys/stat.h>
1994                  #include <unistd.h>])
1995         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1996                 [#include <sys/types.h>
1997                  #include <sys/stat.h>
1998                  #include <unistd.h>])
1999         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2000                 [#include <sys/time.h>])
2001         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2002                 [#include <unistd.h>
2003                  #include <fcntl.h>])
2004         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2005                 [#include <sys/uio.h>])
2006         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2007                 [#include <sys/poll.h>])
2008         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2009                 [#include <sys/types.h>
2010                  #include <sys/stat.h>
2011                  #include <unistd.h>])
2012         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2013                 [#include <time.h>])
2014         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2015                 [#include <sys/time.h>
2016                  #include <sys/types.h>
2017                  #include <utime.h>])
2018         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2019                 [#include <sys/time.h>])
2020         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2021                 [#include <sys/types.h>
2022                  #include <utime.h>])
2023         AC_CHECK_MEMBERS(
2024                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2025                 [#include <sys/types.h>
2026                  #include <dirent.h>])
2027         AC_CHECK_MEMBERS(
2028                 [struct passwd.pw_gecos],,, 
2029                 [#include <sys/types.h>
2030                  #include <pwd.h>])
2031         AC_CHECK_MEMBERS(
2032                 [struct statfs.f_flags],,, 
2033                 [#include <sys/types.h>
2034                  #include <sys/vfs.h>])
2035         AC_CHECK_MEMBERS(
2036                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2037                 [#include <sys/types.h>
2038                  #include <sys/stat.h>
2039                  #include <unistd.h>])
2040
2041         dnl Favour xattr through glibc, but use libattr if we have to
2042         AC_CHECK_FUNC(lsetxattr, ,
2043                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2044         )
2045         AC_SUBST(XATTR_LIB)
2046
2047         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2048         AC_CHECK_MEMBERS(
2049                 [struct kinfo_proc.kp_proc],,, 
2050                 [#include <sys/types.h>
2051                  #include <sys/param.h>
2052                  #include <sys/sysctl.h>
2053                  #include <sys/proc.h>
2054                  ])
2055
2056         dnl *********************************
2057         dnl *** Checks for Windows compilation ***
2058         dnl *********************************
2059         AC_CHECK_HEADERS(sys/time.h)
2060         AC_CHECK_HEADERS(sys/param.h)
2061         AC_CHECK_HEADERS(dirent.h)
2062
2063         dnl ******************************************
2064         dnl *** Checks for OSX and iOS compilation ***
2065         dnl ******************************************
2066         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2067
2068         dnl *********************************
2069         dnl *** Check for Console 2.0 I/O ***
2070         dnl *********************************
2071         AC_CHECK_HEADERS([curses.h])
2072         AC_CHECK_HEADERS([term.h], [], [],
2073         [#if HAVE_CURSES_H
2074          #include <curses.h>
2075          #endif
2076         ])
2077         AC_CHECK_HEADERS([termios.h])
2078
2079         dnl * This is provided in io-layer, but on windows it's only available
2080         dnl * on xp+
2081         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2082 else
2083         dnl *********************************
2084         dnl *** Checks for Windows compilation ***
2085         dnl *********************************
2086         AC_CHECK_HEADERS(winternl.h)
2087
2088         jdk_headers_found=no
2089         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2090         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2091         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2092         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2093         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2094         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2095         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2096
2097         dnl *********************************
2098         dnl *** Check for struct ip_mreqn ***
2099         dnl *********************************
2100         AC_MSG_CHECKING(for struct ip_mreqn)
2101         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2102                 struct ip_mreqn mreq;
2103                 mreq.imr_address.s_addr = 0;
2104         ], [
2105                 # Yes, we have it...
2106                 AC_MSG_RESULT(yes)
2107                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2108         ], [
2109                 # We'll just have to try and use struct ip_mreq
2110                 AC_MSG_RESULT(no)
2111                 AC_MSG_CHECKING(for struct ip_mreq)
2112                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2113                         struct ip_mreq mreq;
2114                         mreq.imr_interface.s_addr = 0;
2115                 ], [
2116                         # Yes, we have it...
2117                         AC_MSG_RESULT(yes)
2118                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2119                 ], [
2120                         # No multicast support
2121                         AC_MSG_RESULT(no)
2122                 ])
2123         ])
2124         AC_CHECK_FUNCS(GetProcessId)
2125 fi
2126
2127 dnl socklen_t check
2128 AC_MSG_CHECKING(for socklen_t)
2129 AC_TRY_COMPILE([
2130 #include <sys/types.h>
2131 #include <sys/socket.h>
2132 ],[
2133   socklen_t foo;
2134 ],[
2135 ac_cv_c_socklen_t=yes
2136         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2137         AC_MSG_RESULT(yes)
2138 ],[
2139         AC_MSG_RESULT(no)
2140 ])
2141
2142 AC_MSG_CHECKING(for array element initializer support)
2143 AC_TRY_COMPILE([#include <sys/socket.h>], [
2144         const int array[] = {[1] = 2,};
2145 ], [
2146         # Yes, we have it...
2147         AC_MSG_RESULT(yes)
2148         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2149 ], [
2150         # We'll have to use signals
2151         AC_MSG_RESULT(no)
2152 ])
2153
2154 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2155         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2156         AC_TRY_LINK([#include <math.h>], 
2157         [ static void *p = &trunc; ],
2158         [
2159                 AC_DEFINE(HAVE_TRUNC) 
2160                 AC_MSG_RESULT(yes)
2161                 ac_cv_trunc=yes
2162         ],
2163         AC_MSG_RESULT(no)))
2164
2165 if test "x$ac_cv_truncl" != "xyes"; then
2166    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2167 fi
2168
2169 AC_CHECK_FUNCS(round)
2170 AC_CHECK_FUNCS(rint)
2171 AC_CHECK_FUNCS(execvp)
2172
2173 dnl ****************************
2174 dnl *** Look for /dev/random ***
2175 dnl ****************************
2176
2177 AC_MSG_CHECKING([if usage of random device is requested])
2178 AC_ARG_ENABLE(dev-random,
2179 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2180 try_dev_random=$enableval, try_dev_random=yes)
2181
2182 AC_MSG_RESULT($try_dev_random)
2183
2184 case "{$build}" in
2185     *-openbsd*)
2186     NAME_DEV_RANDOM="/dev/srandom"
2187     ;;
2188
2189 dnl Win32 does not have /dev/random, they have their own method...
2190
2191     *-mingw*|*-*-cygwin*)
2192     ac_cv_have_dev_random=no
2193     ;;
2194
2195 dnl Everywhere else, it's /dev/random
2196
2197     *)
2198     NAME_DEV_RANDOM="/dev/random"
2199     ;;
2200 esac
2201
2202 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2203
2204 dnl Now check if the device actually exists
2205
2206 if test "x$try_dev_random" = "xyes"; then
2207     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2208     [if test -r "$NAME_DEV_RANDOM" ; then
2209         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2210     if test "x$ac_cv_have_dev_random" = "xyes"; then
2211         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2212     fi
2213 else
2214     AC_MSG_CHECKING(for random device)
2215     ac_cv_have_dev_random=no
2216     AC_MSG_RESULT(has been disabled)
2217 fi
2218
2219 if test "x$host_win32" = "xyes"; then
2220     AC_DEFINE(HAVE_CRYPT_RNG)
2221 fi
2222
2223 if test "x$ac_cv_have_dev_random" = "xno" \
2224     && test "x$host_win32" = "xno"; then
2225     AC_MSG_WARN([[
2226 ***
2227 *** A system-provided entropy source was not found on this system.
2228 *** Because of this, the System.Security.Cryptography random number generator
2229 *** will throw a NotImplemented exception.
2230 ***
2231 *** If you are seeing this message, and you know your system DOES have an
2232 *** entropy collection in place, please contact <crichton@gimp.org> and
2233 *** provide information about the system and how to access the random device.
2234 ***
2235 *** Otherwise you can install either egd or prngd and set the environment
2236 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2237 ***]])
2238 fi
2239  
2240 AC_MSG_CHECKING([if inter-process shared handles are requested])
2241 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2242 AC_MSG_RESULT($try_shared_handles)
2243 if test "x$try_shared_handles" != "xyes"; then
2244         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2245         AC_SUBST(DISABLE_SHARED_HANDLES)
2246 fi
2247
2248 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2249
2250 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2251 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2252
2253 AC_MSG_CHECKING([if big-arrays are to be enabled])
2254 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2255 if test "x$enable_big_arrays" = "xyes" ; then
2256     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2257         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2258     else
2259         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2260     fi
2261 fi
2262 AC_MSG_RESULT($enable_big_arrays)
2263
2264 dnl **************
2265 dnl *** DTRACE ***
2266 dnl **************
2267
2268 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2269
2270 if test "x$enable_dtrace" = "xyes"; then
2271    if test "x$has_dtrace" = "xno"; then
2272           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2273    fi
2274    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2275    if test "x$DTRACE" = "xno"; then
2276           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2277           enable_dtrace=no
2278    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2279           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2280           enable_dtrace=no
2281    fi
2282 fi
2283
2284 dtrace_g=no
2285 if test "x$enable_dtrace" = "xyes"; then
2286         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2287         DTRACEFLAGS=
2288         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2289                 case "$host" in
2290                         powerpc-*-darwin*)
2291                         DTRACEFLAGS="-arch ppc64"
2292                         ;;
2293                         i*86-*-darwin*)
2294                         DTRACEFLAGS="-arch x86_64"
2295                         ;;
2296                         *)
2297                         DTRACEFLAGS=-64
2298                         ;;
2299                 esac
2300         else
2301                 case "$host" in
2302                         powerpc-*-darwin*)
2303                         DTRACEFLAGS="-arch ppc"
2304                         ;;
2305                         i*86-*-darwin*)
2306                         DTRACEFLAGS="-arch i386"
2307                         ;;
2308                         *)
2309                         DTRACEFLAGS=-32
2310                         ;;
2311                 esac
2312         fi
2313         AC_SUBST(DTRACEFLAGS)
2314         case "$host" in
2315                 *-*-solaris*)
2316                 dtrace_g=yes
2317                 ;;
2318         esac
2319         AC_CHECK_HEADERS([sys/sdt.h])
2320 fi
2321 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2322 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2323
2324 dnl **************
2325 dnl ***  NaCl  ***
2326 dnl **************
2327
2328 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2329 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2330
2331 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2332
2333 dnl
2334 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2335 dnl
2336 nacl_self_host=""
2337 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2338    nacl_self_host="nacl_self_host"
2339 fi
2340 AC_SUBST(nacl_self_host)
2341
2342 if test "x$enable_nacl_codegen" = "xyes"; then
2343    MONO_NACL_ALIGN_MASK_OFF=1
2344    AC_DEFINE(TARGET_NACL, 1, [...])
2345    AC_DEFINE(__native_client_codegen__, 1, [...])
2346 else
2347    MONO_NACL_ALIGN_MASK_OFF=0
2348    AC_DEFINE(__default_codegen__, 1, [...])
2349 fi
2350 if test "x$enable_nacl_gc" = "xyes"; then
2351    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2352       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2353    else
2354       # Not yet implemented
2355       INSTRUMENT_CFLAG=""
2356    fi
2357    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2358 fi
2359 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2360
2361 dnl **************
2362 dnl ***  LLVM  ***
2363 dnl **************
2364
2365 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2366 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2367
2368 if test "x$enable_llvm" = "xyes"; then
2369    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2370    if test "x$LLVM_CONFIG" = "xno"; then
2371           AC_MSG_ERROR([llvm-config not found.])
2372    fi
2373
2374    llvm_codegen="x86codegen"
2375    case "$target" in
2376    arm*)
2377                 llvm_codegen="armcodegen"
2378                 ;;
2379    esac
2380
2381    # The output of --cflags seems to include optimizations flags too
2382    LLVM_CFLAGS=`$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'`
2383    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2384    # from LLVM classes.
2385    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2386    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2387    if test "x$host" != "x$target"; then
2388       # No need for jit libs
2389       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2390    else
2391       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2392    fi
2393    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2394
2395    # Should be something like '2.6' or '2.7svn'
2396    llvm_version=`$LLVM_CONFIG --version`
2397    major_version=`echo $llvm_version | cut -c 1`
2398    minor_version=`echo $llvm_version | cut -c 3`
2399    AC_MSG_CHECKING(LLVM version)
2400    AC_MSG_RESULT($llvm_version)
2401    if echo $llvm_version | grep -q 'mono'; then
2402           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2403           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2404    else
2405           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.])
2406    fi
2407
2408    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2409    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2410    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2411
2412    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2413    # llvm's config.h
2414    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2415
2416    AC_SUBST(LLVM_CFLAGS)
2417    AC_SUBST(LLVM_CXXFLAGS)
2418    AC_SUBST(LLVM_LIBS)
2419    AC_SUBST(LLVM_LDFLAGS)
2420    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2421 fi
2422
2423 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2424 if test "x$enable_loadedllvm" = "xyes"; then
2425    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2426 fi
2427 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2428
2429 TARGET="unknown"
2430 ACCESS_UNALIGNED="yes"
2431
2432 JIT_SUPPORTED=no
2433 INTERP_SUPPORTED=no
2434 LIBC="libc.so.6"
2435 INTL="libc.so.6"
2436 SQLITE="libsqlite.so.0"
2437 SQLITE3="libsqlite3.so.0"
2438 X11="libX11.so"
2439
2440 sizeof_register="SIZEOF_VOID_P"
2441
2442 jit_wanted=true
2443 interp_wanted=false
2444 sgen_supported=false
2445 case "$host" in
2446 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2447 #               TARGET=MIPS;
2448 #               ACCESS_UNALIGNED="no"
2449 #               ;;
2450         mips*)
2451                 TARGET=MIPS;
2452                 arch_target=mips;
2453                 sgen_supported=true
2454                 ACCESS_UNALIGNED="no"
2455                 JIT_SUPPORTED=yes
2456
2457                 AC_MSG_CHECKING(for mips n32)
2458                 AC_TRY_COMPILE([],[
2459                 #if _MIPS_SIM != _ABIN32
2460                 #error Not mips n32
2461                 #endif
2462                 return 0;
2463                 ],[
2464                 AC_MSG_RESULT(yes)
2465                 sizeof_register=8
2466                 ],[
2467                 AC_MSG_RESULT(no)
2468                 ])
2469                 ;;
2470         i*86-*-*)
2471                 TARGET=X86;
2472                 arch_target=x86;
2473                 JIT_SUPPORTED=yes
2474                 case $host_os in
2475                   solaris*)
2476                         LIBC="libc.so"
2477                         INTL="libintl.so"
2478                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2479                                 TARGET=AMD64
2480                                 arch_target=amd64
2481                         fi
2482
2483                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2484                         # int astruct __attribute__ ((visibility ("hidden")));
2485                         # void foo ()
2486                         # {
2487                         #       void *p = &astruct;
2488                         # }
2489                         # gcc -fPIC --shared -o libfoo.so foo.c
2490                         # yields:
2491                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2492                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2493                         have_visibility_hidden=no
2494                         sgen_supported=true
2495                         ;;
2496                   mingw*|cygwin*)
2497                         sgen_supported=true
2498                         have_visibility_hidden=no                 
2499                         ;;
2500                   haiku*)
2501                         LIBC=libroot.so
2502                         ;;
2503                   linux*)
2504                         sgen_supported=true
2505                         AOT_SUPPORTED="yes"
2506                         ;;
2507                   darwin*)
2508                         sgen_supported=true
2509                         AOT_SUPPORTED="yes"
2510                         ;;
2511                   darwin*|openbsd*|freebsd*)
2512                         sgen_supported=true
2513                         ;;
2514                 esac
2515                 ;;
2516         x86_64-*-* | amd64-*-*)
2517                 TARGET=AMD64;
2518                 arch_target=amd64;
2519                 JIT_SUPPORTED=yes
2520                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2521                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2522                         sizeof_register=8
2523                 fi
2524                 case $host_os in
2525                   linux*)
2526                         sgen_supported=true
2527                         AOT_SUPPORTED="yes"
2528                         ;;
2529                   darwin*|openbsd*|freebsd*)
2530                         sgen_supported=true
2531                         ;;
2532                 esac
2533                 case "$host" in
2534                         x86_64-*-nacl*)
2535                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2536                                 sizeof_register=8
2537                                 ;;
2538                 esac
2539                 ;;
2540         ia64-*-*)
2541                 TARGET=IA64
2542                 arch_target=ia64
2543                 ACCESS_UNALIGNED="no"
2544                 JIT_SUPPORTED=yes
2545                 LIBC="libc.so.6.1"
2546                 INTL="libc.so.6.1"
2547                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2548                 libmono_ldflags="-lunwind"
2549                 ;;
2550         sparc*-*-*)
2551                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2552                    TARGET=SPARC64
2553                 else
2554                         TARGET=SPARC
2555                 fi
2556                 arch_target=sparc;
2557                 JIT_SUPPORTED=yes
2558                 ACCESS_UNALIGNED="no"
2559                 case $host_os in
2560                   linux*) ;;
2561                   *)
2562                         LIBC="libc.so"
2563                         INTL="libintl.so"
2564                 esac
2565                 if test x"$GCC" = xyes; then
2566                         # We don't support v8 cpus
2567                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2568                 fi
2569                 if test x"$AR" = xfalse; then
2570                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2571                 fi
2572                 sgen_supported=true
2573                 ;;
2574         *-mingw*|*-*-cygwin*)
2575                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2576                 have_visibility_hidden=no
2577                 INTL="intl"
2578                 ;;
2579         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2580         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2581                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2582                         TARGET=POWERPC64;
2583                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2584                         CFLAGS="$CFLAGS -mminimal-toc"
2585                 else
2586                         TARGET=POWERPC;
2587                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2588                 fi
2589                 arch_target=ppc;
2590                 JIT_SUPPORTED=yes
2591                 case $host_os in
2592                   linux*|darwin*)
2593                         sgen_supported=true
2594                         ;;
2595                 esac
2596                 ;;
2597         arm*-darwin*)
2598                 TARGET=ARM;
2599                 arch_target=arm;
2600                 ACCESS_UNALIGNED="no"
2601                 JIT_SUPPORTED=yes
2602                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2603                 # libgc's gc_locks.h depends on this
2604             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2605                 sgen_supported=true
2606                 ;;
2607         arm*-linux*)
2608                 TARGET=ARM;
2609                 arch_target=arm;
2610                 ACCESS_UNALIGNED="no"
2611                 JIT_SUPPORTED=yes
2612                 sgen_supported=true
2613                 AOT_SUPPORTED="yes"
2614                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2615                 ;;
2616 # TODO: make proper support for NaCl host.
2617 #        arm*-*nacl)
2618 #               TARGET=ARM;
2619 #               arch_target=arm;
2620 #               ACCESS_UNALIGNED="no"
2621 #               JIT_SUPPORTED=yes
2622 #               sgen_supported=true
2623 #               AOT_SUPPORTED="no"
2624 #               ;;
2625         s390x-*-linux*)
2626                 TARGET=S390X;
2627                 arch_target=s390x;
2628                 ACCESS_UNALIGNED="yes"
2629                 JIT_SUPPORTED=yes
2630                 sgen_supported=true
2631                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2632                 ;;
2633 esac
2634
2635 HOST=$TARGET
2636
2637 if test "x$host" != "x$target"; then
2638    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2639    enable_mcs_build=no
2640    case "$target" in
2641    arm*-darwin*)
2642                 TARGET=ARM;
2643                 arch_target=arm;
2644                 ACCESS_UNALIGNED="no"
2645                 JIT_SUPPORTED=yes
2646                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2647                 jit_wanted=true
2648                 # Can't use tls, since it depends on the runtime detection of tls offsets
2649                 # in mono-compiler.h
2650                 with_tls=pthread
2651                 ;;
2652    powerpc64-ps3-linux-gnu)
2653                 TARGET=POWERPC64
2654                 arch_target=powerpc64
2655                 AC_DEFINE(TARGET_PS3, 1, [...])
2656                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2657                 # uses this define
2658                 AC_DEFINE(__mono_ppc64__, 1, [...])
2659                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2660                 sizeof_register=8
2661                 target_byte_order=G_BIG_ENDIAN
2662                 ;;
2663
2664    powerpc64-xbox360-linux-gnu)
2665                 TARGET=POWERPC64
2666                 arch_target=powerpc64
2667                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2668                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2669                 # uses this define
2670                 sizeof_register=8
2671                 target_byte_order=G_BIG_ENDIAN
2672                 ;;
2673    x86_64-*-nacl)
2674                 TARGET=AMD64
2675                 arch_target=amd64
2676                 AC_DEFINE(TARGET_AMD64, 1, [...])
2677                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2678                 sizeof_register=8
2679                 ;;
2680 # TODO: make proper support for NaCl target.
2681 #   arm*-*nacl)
2682 #               TARGET=ARM
2683 #               arch_target=arm
2684 #               AC_DEFINE(TARGET_ARM, 1, [...])
2685 #               ACCESS_UNALIGNED="no"
2686 #               JIT_SUPPORTED=yes
2687 #               sizeof_register=4
2688 #               CPPFLAGS="$CPPFLAGS \
2689 #                    -D__ARM_EABI__ \
2690 #                    -D__arm__ \
2691 #                    -D__portable_native_client__ \
2692 #                    -Dtimezone=_timezone \
2693 #                    -DDISABLE_SOCKETS \
2694 #                    -DDISABLE_ATTACH \
2695 #                    -DUSE_NEWLIB"
2696 #               jit_wanted=true
2697                 # Can't use tls, since it depends on the runtime detection of tls offsets
2698                 # in mono-compiler.h
2699 #               with_tls=pthread
2700 #               ;;
2701    i686-*-nacl)
2702                 TARGET=X86
2703                 arch_target=x86
2704                 AC_DEFINE(TARGET_X86, 1, [...])
2705                 sizeof_register=4
2706                 ;;
2707    arm*-linux-*)
2708                 TARGET=ARM;
2709                 arch_target=arm;
2710                 AC_DEFINE(TARGET_ARM, 1, [...])
2711                 ACCESS_UNALIGNED="no"
2712                 JIT_SUPPORTED=yes
2713                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2714                 jit_wanted=true
2715                 # Can't use tls, since it depends on the runtime detection of tls offsets
2716                 # in mono-compiler.h
2717                 with_tls=pthread
2718                 target_mach=no
2719                 case "$target" in
2720                 armv7l-unknown-linux-gnueabi*)
2721                         # TEGRA
2722                         CPPFLAGS="$CPPFLAGS"
2723                         ;;
2724                 armv5-*-linux-androideabi*)
2725                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2726                         CPPFLAGS="$CPPFLAGS"
2727                         ;;
2728                 esac
2729                 ;;
2730         *)
2731                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2732         esac
2733 fi
2734
2735 case "$TARGET" in
2736 X86)
2737         AC_DEFINE(TARGET_X86, 1, [...])
2738         ;;
2739 AMD64)
2740         AC_DEFINE(TARGET_AMD64, 1, [...])
2741         ;;
2742 ARM)
2743         AC_DEFINE(TARGET_ARM, 1, [...])
2744         ;;
2745 POWERPC)
2746         AC_DEFINE(TARGET_POWERPC, 1, [...])
2747         ;;
2748 POWERPC64)
2749         AC_DEFINE(TARGET_POWERPC, 1, [...])
2750         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2751         ;;
2752 S390X)
2753         AC_DEFINE(TARGET_S390X, 1, [...])
2754         ;;
2755 MIPS)
2756         AC_DEFINE(TARGET_MIPS, 1, [...])
2757         ;;
2758 IA64)
2759         AC_DEFINE(TARGET_IA64, 1, [...])
2760         ;;
2761 SPARC)
2762         AC_DEFINE(TARGET_SPARC, 1, [...])
2763         ;;
2764 SPARC64)
2765         AC_DEFINE(TARGET_SPARC64, 1, [...])
2766         ;;
2767 esac
2768
2769 dnl Use GCC atomic ops if they work on the target.
2770 if test x$GCC = "xyes"; then
2771         case $TARGET in
2772         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS)
2773                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2774                 ;;
2775         esac
2776 fi
2777
2778 if test "x$target_mach" = "xyes"; then
2779    if test "x$TARGET" = "xARM"; then
2780           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2781           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2782           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2783    else
2784        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2785        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2786        #error fail this for ios
2787        #endif
2788        return 0;
2789        ], [
2790                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2791           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2792           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2793        ], [
2794           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2795           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2796           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2797        ])
2798         fi
2799    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2800 fi
2801
2802 if test "x$sizeof_register" = "x4"; then
2803    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2804 elif test "x$sizeof_register" = "x8"; then
2805    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2806 else
2807    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2808 fi
2809
2810 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2811    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2812 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2813    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2814 else
2815    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2816 fi
2817
2818 if test "x$have_visibility_hidden" = "xyes"; then
2819    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2820 fi
2821
2822 if test "x$have_deprecated" = "xyes"; then
2823    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2824 fi
2825
2826 dnl 
2827 dnl Simple Generational checks (sgen)
2828 dnl
2829 if $sgen_supported; then
2830    build_sgen_default=yes
2831 else
2832    build_sgen_default=no
2833 fi
2834 SGEN_DEFINES=
2835 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2836 if test x$buildsgen = xyes; then
2837    if $sgen_supported; then
2838        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2839        gc_msg="sgen and $gc_msg"
2840    else
2841        buildsgen=no
2842        AC_MSG_WARN("Sgen is not supported on this platform")
2843    fi
2844 fi
2845 AC_SUBST(SGEN_DEFINES)
2846 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2847
2848 USEJIT=false
2849 if test x$JIT_SUPPORTED = xyes; then
2850    if $jit_wanted; then
2851       USEJIT=true
2852       jit_status="Building and using the JIT"
2853    else
2854       if $interp_wanted; then
2855          jit_status="Building the JIT, defaulting to the interpreter"
2856       else
2857          AC_ERROR(No JIT or interpreter support available or selected.)
2858       fi
2859    fi
2860 else
2861    if test x$interp_wanted = xtrue; then
2862       jit_status="interpreter"
2863    else
2864       AC_ERROR(No JIT or interpreter support available or selected.)
2865    fi
2866 fi
2867
2868 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2869
2870 libsuffix=".so"
2871
2872 case "$host" in
2873      *-*-darwin*)
2874         libsuffix=".dylib"
2875         LIBC="libc.dylib"
2876         INTL="libintl.dylib"
2877         SQLITE="libsqlite.0.dylib"
2878         SQLITE3="libsqlite3.0.dylib"
2879         X11="libX11.dylib"
2880         ;;
2881      *-*-*netbsd*)
2882         LIBC="libc.so.12"
2883         INTL="libintl.so.0"
2884         ;;
2885     *-*-*freebsd*)
2886         LIBC="libc.so"
2887         INTL="libintl.so"
2888         SQLITE="libsqlite.so"
2889         SQLITE3="libsqlite3.so"
2890         ;;
2891     *-*-*openbsd*)
2892         LIBC="libc.so"
2893         INTL="libintl.so"
2894         SQLITE="libsqlite.so"
2895         SQLITE3="libsqlite3.so"
2896         ;;
2897     *-*-*linux*)
2898         AC_PATH_X
2899         AC_MSG_CHECKING(for the soname of libX11.so)
2900         for i in $x_libraries /usr/lib /usr/lib64; do
2901                 for r in 4 5 6; do
2902                         if test -f $i/libX11.so.$r; then
2903                                 X11=libX11.so.$r
2904                                 AC_MSG_RESULT($X11)
2905                         fi
2906                 done
2907         done
2908         
2909         if test "x$X11" = "xlibX11.so"; then
2910                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2911                 X11=libX11.so.6
2912         fi
2913         ;;
2914 esac
2915
2916
2917 AC_SUBST(libsuffix)
2918
2919 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2920         if test "x$with_tls" = "x__thread"; then
2921                 #
2922                 # On some linux distributions, TLS works in executables, but linking 
2923                 # against a shared library containing TLS fails with:
2924                 # undefined reference to `__tls_get_addr'
2925                 #
2926                 rm -f conftest.c conftest.so conftest
2927                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2928                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2929                 $CC -o conftest conftest.so > /dev/null 2>&1
2930                 if test ! -f conftest; then
2931                    AC_MSG_WARN([Disabling usage of __thread.]);
2932                    with_tls=pthread
2933                 fi
2934                 rm -f conftest.c conftest.so conftest
2935         fi
2936 fi
2937
2938 mono_debugger_supported=no
2939 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2940 if test "x$try_mono_debugger" = "xyes"; then
2941         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2942                 if test x$use_included_gc = xyes; then
2943                         case "$host" in
2944                         *-*-*linux*)
2945                                 mono_debugger_supported=yes
2946                                 ;;
2947                         *86-apple-darwin*)
2948                                 mono_debugger_supported=yes
2949                                 ;;              
2950                         esac
2951                 fi
2952         fi
2953 fi
2954
2955 # disable the debugger entirely when building with moonlight
2956 if test "x$with_moonlight" != "xno"; then
2957         mono_debugger_supported=no
2958 fi
2959
2960 # mdb support for sgen is broken, disable it until further notice.
2961 mono_debugger_supported=no
2962
2963 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2964 if test "x$mono_debugger_supported" = "xyes"; then
2965         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2966         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
2967 fi
2968 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2969 AC_MSG_RESULT($mono_debugger_supported)
2970
2971 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2972 if test "x$icall_symbol_map" = "xyes"; then
2973    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2974 fi
2975
2976 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2977 if test "x$icall_export" = "xyes"; then
2978    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2979 fi
2980
2981 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2982 if test "x$icall_tables" = "xno"; then
2983    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2984 fi
2985
2986 if test "x$with_tls" = "x__thread"; then
2987         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2988         # Pass the information to libgc
2989         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2990         AC_MSG_CHECKING(if the tls_model attribute is supported)
2991         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2992                 ], [
2993                         AC_MSG_RESULT(yes)
2994                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
2995                 ], [
2996                         AC_MSG_RESULT(no)
2997         ])
2998 fi
2999
3000 if test ${TARGET} = ARM; then
3001         dnl ******************************************
3002         dnl *** Check to see what FPU is available ***
3003         dnl ******************************************
3004         AC_MSG_CHECKING(which FPU to use)
3005
3006         #
3007         # This is a bit tricky:
3008         #
3009         # if (__ARM_PCS_VFP) {
3010         #       /* mfloat-abi=hard == VFP with hard ABI */
3011         # } elif (!__SOFTFP__) {
3012         #       /* mfloat-abi=softfp == VFP with soft ABI */
3013         # } else {
3014         #       /* mfloat-abi=soft == no VFP */
3015         # }
3016         #
3017         # The exception is iOS (w/ GCC) where none of the above
3018         # are defined (but iOS always uses the 'softfp' ABI).
3019         #
3020         # No support for FPA.
3021         #
3022
3023         fpu=NONE
3024
3025         # iOS GCC always uses the 'softfp' ABI.
3026         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3027                 fpu=VFP
3028         fi
3029
3030         # Are we using the 'hard' ABI?
3031         if test x$fpu = xNONE; then
3032                 AC_TRY_COMPILE([], [
3033                         #ifndef __ARM_PCS_VFP
3034                         #error "Float ABI is not 'hard'"
3035                         #endif
3036                         return 0;
3037                 ], [
3038                         fpu=VFP_HARD
3039                 ], [
3040                         fpu=NONE
3041                 ])
3042         fi
3043
3044         # No 'hard' ABI. 'soft' or 'softfp'?
3045         if test x$fpu = xNONE; then
3046                 AC_TRY_COMPILE([], [
3047                         #ifdef __SOFTFP__
3048                         #error "Float ABI is not 'softfp'"
3049                         #endif
3050                         return 0;
3051                 ], [
3052                         fpu=VFP
3053                 ], [
3054                         fpu=NONE
3055                 ])
3056         fi
3057
3058         AC_MSG_RESULT($fpu)
3059         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3060         unset fpu
3061
3062         dnl *********************************************
3063         dnl *** Check which ARM version(s) we can use ***
3064         dnl *********************************************
3065         AC_MSG_CHECKING(which ARM version to use)
3066
3067         AC_TRY_COMPILE([], [
3068                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3069                 #error Not on ARM v5.
3070                 #endif
3071                 return 0;
3072         ], [
3073                 arm_v5=yes
3074         ], [])
3075
3076         AC_TRY_COMPILE([], [
3077                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3078                 #error Not on ARM v6.
3079                 #endif
3080                 return 0;
3081         ], [
3082                 arm_v5=yes
3083                 arm_v6=yes
3084         ], [])
3085
3086         AC_TRY_COMPILE([], [
3087                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3088                 #error Not on ARM v7.
3089                 #endif
3090                 return 0;
3091         ], [
3092                 arm_v5=yes
3093                 arm_v6=yes
3094                 arm_v7=yes
3095         ], [])
3096
3097         if test x$arm_v5 = xyes; then
3098                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3099                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3100         fi
3101
3102         if test x$arm_v6 = xyes; then
3103                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3104                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3105         fi
3106
3107         if test x$arm_v7 = xyes; then
3108                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3109                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3110         fi
3111 fi
3112
3113 if test ${TARGET} = ARM; then
3114         if test "x${with_jumptables}" = "xyes"; then
3115                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3116         fi
3117 fi
3118
3119 if test ${TARGET} = unknown; then
3120         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3121         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3122 fi
3123
3124 if test ${ACCESS_UNALIGNED} = no; then
3125         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3126 fi
3127
3128 case "x$gc" in
3129         xincluded)
3130                 # Pass CPPFLAGS to libgc configure
3131                 # We should use a separate variable for this to avoid passing useless and
3132                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3133                 # This should be executed late so we pick up the final version of CPPFLAGS
3134                 # The problem with this approach, is that during a reconfigure, the main
3135                 # configure scripts gets invoked with these arguments, so we use separate
3136                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3137                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3138                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3139                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3140                 fi
3141                 # Don't pass -finstrument-for-thread-suspension in, 
3142                 # if these are instrumented it will be very bad news 
3143                 # (infinite recursion, undefined parking behavior, etc)
3144                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3145                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3146                 AC_CONFIG_SUBDIRS(libgc)
3147                 ;;
3148 esac
3149
3150 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3151 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3152 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3153 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3154 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3155 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3156
3157 OPROFILE=no
3158 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3159         if test x$with_oprofile != xno; then
3160             oprofile_include=$with_oprofile/include
3161             if test ! -f $oprofile_include/opagent.h; then
3162                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3163                 fi
3164             OPROFILE=yes
3165                 OPROFILE_CFLAGS="-I$oprofile_include"
3166             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3167             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3168         fi
3169 ])
3170
3171 MALLOC_MEMPOOLS=no
3172 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3173         if test x$with_malloc_mempools = xyes; then
3174                 MALLOC_MEMPOOLS=yes
3175                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3176         fi
3177 ])
3178
3179
3180 DISABLE_MCS_DOCS=no
3181 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3182         if test x$with_mcs_docs != xyes; then
3183                 DISABLE_MCS_DOCS=yes
3184         fi
3185 ])
3186 if test x$with_profile4 != xyes; then
3187         DISABLE_MCS_DOCS=yes
3188 fi
3189
3190 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)],[
3191         if test x$with_lazy_gc_thread_creation != xno ; then
3192                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3193         fi
3194 ], [with_lazy_gc_thread_creation=no])
3195
3196 AC_CHECK_HEADER([malloc.h], 
3197                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3198                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3199
3200 if test x"$GCC" = xyes; then
3201         # Implicit function declarations are not 64 bit safe
3202         # Do this late, since this causes lots of configure tests to fail
3203         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3204         # jay has a lot of implicit declarations
3205         JAY_CFLAGS="-Wno-implicit-function-declaration"
3206 fi
3207
3208 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3209 # instead of libmono-static.a
3210 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3211    LIBMONO_LA=libmini-static.la
3212 else
3213    if test x$buildsgen = xyes; then
3214       LIBMONO_LA=libmonosgen-$API_VER.la
3215    else
3216       LIBMONO_LA=libmonoboehm-$API_VER.la
3217    fi
3218 fi
3219 AC_SUBST(LIBMONO_LA)
3220
3221 dnl
3222 dnl Consistency settings
3223 dnl
3224 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3225    DISABLE_MCS_DOCS=yes
3226    with_profile2=no
3227    with_profile4=no
3228    with_profile4_5=no
3229    with_monodroid=no
3230    with_monotouch=no
3231 fi
3232
3233 if test x$DISABLE_MCS_DOCS = xyes; then
3234    docs_dir=""
3235 else
3236    docs_dir=docs
3237 fi
3238 AC_SUBST(docs_dir)
3239
3240 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3241 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3242
3243 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3244 AC_SUBST(OPROFILE_CFLAGS)
3245 AC_SUBST(OPROFILE_LIBS)
3246
3247 libmono_ldflags="$libmono_ldflags $LIBS"
3248
3249 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3250 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3251 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3252 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3253 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3254 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3255 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3256
3257 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3258 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3259 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3260 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3261 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3262 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3263 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3264 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3265 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3266 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3267 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3268 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3269 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3270 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3271 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3272 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3273
3274 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3275 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3276 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3277
3278 AC_SUBST(LIBC)
3279 AC_SUBST(INTL)
3280 AC_SUBST(SQLITE)
3281 AC_SUBST(SQLITE3)
3282 AC_SUBST(X11)
3283 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3284 AC_SUBST(arch_target)
3285 AC_SUBST(CFLAGS)
3286 AC_SUBST(CPPFLAGS)
3287 AC_SUBST(LDFLAGS)
3288
3289 mono_build_root=`pwd`
3290 AC_SUBST(mono_build_root)
3291
3292 if test x$USEJIT = xtrue; then
3293   mono_runtime=mono/mini/mono
3294 else
3295   mono_runtime=mono/interpreter/mint
3296 fi
3297 AC_SUBST(mono_runtime)
3298
3299 mono_cfg_root=$mono_build_root/runtime
3300 if test x$host_win32 = xyes; then
3301   if test "x$cross_compiling" = "xno"; then
3302     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3303   else
3304     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3305   fi
3306 else
3307   mono_cfg_dir=$mono_cfg_root/etc
3308 fi
3309 AC_SUBST(mono_cfg_dir)
3310
3311 AC_CONFIG_FILES([po/mcs/Makefile.in])
3312
3313 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3314 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3315
3316 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3317 [   depth=../../../..
3318     case $srcdir in
3319     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3320     .) reldir=$depth ;;
3321     *) reldir=$depth/$srcdir ;;
3322     esac
3323     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3324     cd runtime/etc/mono/1.0
3325     rm -f machine.config
3326     $LN_S $reldir/data/net_1_1/machine.config machine.config
3327     cd $depth
3328 ],[LN_S='$LN_S'])
3329
3330 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3331 [   depth=../../../..
3332     case $srcdir in
3333     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3334     .) reldir=$depth ;;
3335     *) reldir=$depth/$srcdir ;;
3336     esac
3337     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3338     cd runtime/etc/mono/2.0
3339     rm -f machine.config
3340     $LN_S $reldir/data/net_2_0/machine.config machine.config
3341     cd $depth
3342 ],[LN_S='$LN_S'])
3343
3344 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3345 [   depth=../../../..
3346     case $srcdir in
3347     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3348     .) reldir=$depth ;;
3349     *) reldir=$depth/$srcdir ;;
3350     esac
3351     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3352     cd runtime/etc/mono/2.0
3353     rm -f web.config
3354     $LN_S $reldir/data/net_2_0/web.config web.config
3355     cd $depth
3356 ],[LN_S='$LN_S'])
3357
3358 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3359 [   depth=../../..
3360     case $srcdir in
3361     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3362     .) reldir=$depth ;;
3363     *) reldir=$depth/$srcdir ;;
3364     esac
3365     $ac_aux_dir/install-sh -d runtime/etc/mono/
3366     cd runtime/etc/mono/
3367     rm -f browscap.ini
3368     $LN_S $reldir/data/browscap.ini browscap.ini
3369     cd $depth
3370 ],[LN_S='$LN_S'])
3371
3372 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3373 [   depth=../../../../..
3374     case $srcdir in
3375     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3376     .) reldir=$depth ;;
3377     *) reldir=$depth/$srcdir ;;
3378     esac
3379     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3380     cd runtime/etc/mono/2.0/Browsers
3381     rm -f Compat.browser
3382     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3383     cd $depth
3384 ],[LN_S='$LN_S'])
3385
3386 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3387 [   depth=../../../..
3388     case $srcdir in
3389     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3390     .) reldir=$depth ;;
3391     *) reldir=$depth/$srcdir ;;
3392     esac
3393     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3394     cd runtime/etc/mono/4.0
3395     rm -f machine.config
3396     $LN_S $reldir/data/net_4_0/machine.config machine.config
3397     cd $depth
3398 ],[LN_S='$LN_S'])
3399
3400 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3401 [   depth=../../../..
3402     case $srcdir in
3403     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3404     .) reldir=$depth ;;
3405     *) reldir=$depth/$srcdir ;;
3406     esac
3407     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3408     cd runtime/etc/mono/4.0
3409     rm -f web.config
3410     $LN_S $reldir/data/net_4_0/web.config web.config
3411     cd $depth
3412 ],[LN_S='$LN_S'])
3413
3414 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3415 [   depth=../../../..
3416     case $srcdir in
3417     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3418     .) reldir=$depth ;;
3419     *) reldir=$depth/$srcdir ;;
3420     esac
3421     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3422     cd runtime/etc/mono/4.5
3423     rm -f machine.config
3424     $LN_S $reldir/data/net_4_5/machine.config machine.config
3425     cd $depth
3426 ],[LN_S='$LN_S'])
3427
3428 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3429 [   depth=../../../..
3430     case $srcdir in
3431     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3432     .) reldir=$depth ;;
3433     *) reldir=$depth/$srcdir ;;
3434     esac
3435     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3436     cd runtime/etc/mono/4.5
3437     rm -f web.config
3438     $LN_S $reldir/data/net_4_5/web.config web.config
3439     cd $depth
3440 ],[LN_S='$LN_S'])
3441
3442 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])
3443
3444 AC_OUTPUT([
3445 Makefile
3446 mono-core.spec
3447 mono-uninstalled.pc
3448 scripts/mono-find-provides
3449 scripts/mono-find-requires
3450 mono/Makefile
3451 mono/utils/Makefile
3452 mono/metadata/Makefile
3453 mono/dis/Makefile
3454 mono/cil/Makefile
3455 mono/arch/Makefile
3456 mono/arch/x86/Makefile
3457 mono/arch/amd64/Makefile
3458 mono/arch/ppc/Makefile
3459 mono/arch/sparc/Makefile
3460 mono/arch/s390x/Makefile
3461 mono/arch/arm/Makefile
3462 mono/arch/ia64/Makefile
3463 mono/arch/mips/Makefile
3464 mono/interpreter/Makefile
3465 mono/tests/Makefile
3466 mono/tests/tests-config
3467 mono/tests/assemblyresolve/Makefile
3468 mono/tests/cas/Makefile
3469 mono/tests/cas/assembly/Makefile
3470 mono/tests/cas/demand/Makefile
3471 mono/tests/cas/inheritance/Makefile
3472 mono/tests/cas/linkdemand/Makefile
3473 mono/tests/cas/threads/Makefile
3474 mono/tests/gc-descriptors/Makefile
3475 mono/benchmark/Makefile
3476 mono/monograph/Makefile
3477 mono/io-layer/Makefile
3478 mono/mini/Makefile
3479 mono/profiler/Makefile
3480 m4/Makefile
3481 ikvm-native/Makefile
3482 scripts/Makefile
3483 man/Makefile
3484 docs/Makefile
3485 data/Makefile
3486 data/net_2_0/Makefile
3487 data/net_4_0/Makefile
3488 data/net_4_5/Makefile
3489 data/net_2_0/Browsers/Makefile
3490 data/mint.pc
3491 data/mono-2.pc
3492 data/monosgen-2.pc
3493 data/mono.pc
3494 data/mono-cairo.pc
3495 data/mono-nunit.pc
3496 data/mono-options.pc
3497 data/mono-lineeditor.pc
3498 data/monodoc.pc
3499 data/mono.web.pc
3500 data/dotnet.pc
3501 data/dotnet35.pc
3502 data/wcf.pc
3503 data/cecil.pc
3504 data/system.web.extensions_1.0.pc
3505 data/system.web.extensions.design_1.0.pc
3506 data/system.web.mvc.pc
3507 data/system.web.mvc2.pc
3508 data/system.web.mvc3.pc
3509 data/aspnetwebstack.pc
3510 data/reactive.pc
3511 samples/Makefile
3512 support/Makefile
3513 data/config
3514 tools/Makefile
3515 tools/locale-builder/Makefile
3516 tools/sgen/Makefile
3517 runtime/Makefile
3518 msvc/Makefile
3519 po/Makefile
3520 ])
3521
3522 # Update all submodules recursively to ensure everything is checked out
3523 $srcdir/scripts/update_submodules
3524
3525 if test x$host_win32 = xyes; then
3526    # Get rid of 'cyg' prefixes in library names
3527    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3528    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3529    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3530    # executable doesn't work...
3531    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3532 fi
3533
3534 if test x$platform_darwin = xyes; then
3535    # This doesn't seem to be required and it slows down parallel builds
3536    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3537 fi
3538
3539 (
3540   case $prefix in
3541   NONE) prefix=$ac_default_prefix ;;
3542   esac
3543   case $exec_prefix in
3544   NONE) exec_prefix='${prefix}' ;;
3545   esac
3546
3547   #
3548   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3549   # any existing config.make.  This allows people to share the same source tree
3550   # with different build directories, one native and one cross
3551   #
3552   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3553
3554     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3555
3556     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3557     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3558     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3559     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3560     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3561     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3562     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3563     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3564
3565     case $INSTALL in
3566     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3567     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3568     esac
3569
3570     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3571
3572     export VERSION
3573     [myver=$($AWK 'BEGIN {
3574       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3575       if(length(vsplit [1]) > 4) {
3576         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3577       }
3578       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3579     }')]
3580
3581     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3582
3583     if test x$platform_darwin = xyes; then
3584       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3585     fi
3586
3587         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3588            enable_system_aot=yes
3589         fi
3590
3591         if test "x$enable_loadedllvm" = "xyes"; then
3592            # This seems to fail on the x86 buildbots
3593            enable_system_aot=no
3594         fi
3595
3596     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3597       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3598     fi
3599
3600     if test x$DISABLE_MCS_DOCS = xyes; then
3601       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3602     fi
3603
3604     if test x$has_extension_module != xno; then
3605         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3606     fi
3607
3608         default_profile=net_2_0
3609     if test -z "$INSTALL_4_0_TRUE"; then :
3610                 default_profile=net_4_0
3611     fi
3612     if test -z "$INSTALL_MONODROID_TRUE"; then :
3613                 default_profile=monodroid
3614     fi
3615     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3616                 default_profile=monotouch
3617     fi
3618     if test -z "$INSTALL_4_5_TRUE"; then :
3619                 default_profile=net_4_5
3620     fi
3621     
3622     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3623     
3624     if test "x$test_bcl_opt" = "xyes"; then    
3625       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3626     fi
3627
3628   fi
3629
3630   # if we have an olive folder, override the default settings
3631   if test -d $olivedir; then
3632
3633     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3634
3635       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3636
3637       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3638       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3639       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3640       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3641       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3642       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3643     fi
3644   fi
3645
3646 )
3647
3648 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3649
3650 echo "
3651         mcs source:    $mcsdir
3652
3653    Engine:
3654         GC:            $gc_msg 
3655         TLS:           $with_tls
3656         SIGALTSTACK:   $with_sigaltstack
3657         Engine:        $jit_status
3658         oprofile:      $OPROFILE
3659         BigArrays:     $enable_big_arrays
3660         DTrace:        $enable_dtrace
3661         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3662
3663    Libraries:
3664         .NET 2.0/3.5:  $with_profile2
3665         .NET 4.0:      $with_profile4
3666         .NET 4.5:      $with_profile4_5
3667         MonoDroid:     $with_monodroid
3668         MonoTouch:     $with_monotouch
3669         JNI support:   $jdk_headers_found
3670         libgdiplus:    $libgdiplus_msg
3671         zlib:          $zlib_msg
3672         $disabled
3673 "
3674 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3675    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3676 fi