Merge pull request #737 from Mixaill/master
[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, [3.3.0],
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])
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 # In case of cygwin, override LN_S, irrespective of what it determines.
28 # The build uses cygwin, but the actual runtime doesn't.
29 case $host_os in
30 *cygwin* ) LN_S='cp -p';;
31 esac
32
33 dnl
34 dnl libgc checks
35 dnl
36
37 gc_headers=no
38 gc=included
39 gc_msg="included Boehm"
40 use_included_gc=no
41 libgc_configure_args=
42
43 if test -d $srcdir/libgc ; then
44   gc_default=included
45 else
46   gc_default=boehm
47 fi
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 #
57 # These are the flags that need to be stored in the mono.pc file for 
58 # compiling code that will embed Mono
59 #
60 libmono_cflags=""
61 libmono_ldflags=""
62 AC_SUBST(libmono_cflags)
63 AC_SUBST(libmono_ldflags)
64
65 # Variable to have relocatable .pc files (lib, or lib64)
66 reloc_libdir=`basename ${libdir}`
67 AC_SUBST(reloc_libdir)
68
69 dnl if linker handles the version script
70 no_version_script=no
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
76 extra_runtime_ldflags=""
77
78 # Thread configuration inspired by sleepycat's db
79 AC_MSG_CHECKING([host platform characteristics])
80 libgc_threads=no
81 has_dtrace=no
82 parallel_mark=yes
83 ikvm_native=yes
84
85 case "$host" in
86         powerpc*-*-linux*)
87                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
88                 disable_munmap=yes
89         ;;
90 esac
91
92 host_win32=no
93 target_win32=no
94 platform_android=no
95 platform_darwin=no
96 case "$host" in
97         *-mingw*|*-*-cygwin*)
98                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
99                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
100                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
101                 host_win32=yes
102                 mono_cv_clang=no
103                 if test "x$cross_compiling" = "xno"; then
104                         target_win32=yes
105                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
106                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
107                         fi
108                 else
109                         target_win32=yes
110                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
111                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
112                 fi
113                 HOST_CC="gcc"
114                 # Windows 2000 is required that includes Internet Explorer 5.01
115                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
116                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
117                 libmono_cflags="-mms-bitfields -mwindows"
118                 libmono_ldflags="-mms-bitfields -mwindows"
119                 libdl=
120                 libgc_threads=win32
121                 gc_default=included
122                 with_sigaltstack=no
123                 LN_S=cp
124                 # This forces libgc to use the DllMain based thread registration code on win32
125                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
126                 ;;
127         *-*-*netbsd*)
128                 host_win32=no
129                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
130                 libmono_cflags="-D_REENTRANT"
131                 LDFLAGS="$LDFLAGS -pthread"
132                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
133                 libmono_ldflags="-pthread"
134                 need_link_unlink=yes
135                 libdl="-ldl"
136                 libgc_threads=pthreads
137                 with_sigaltstack=no
138                 use_sigposix=yes
139                 ;;
140         *-*-*freebsd*)
141                 host_win32=no
142                 if test "x$PTHREAD_CFLAGS" = "x"; then
143                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
144                         libmono_cflags=
145                 else
146                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
147                         libmono_cflags="$PTHREAD_CFLAGS"
148                 fi
149                 if test "x$PTHREAD_LIBS" = "x"; then
150                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
151                         libmono_ldflags="-pthread"
152                 else
153                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
154                         libmono_ldflags="$PTHREAD_LIBS"
155                 fi
156                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
157                 need_link_unlink=yes
158                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
159                 libdl=
160                 libgc_threads=pthreads
161                 use_sigposix=yes
162                 has_dtrace=yes
163                 ;;
164         *-*-*openbsd*)
165                 host_win32=no
166                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
167                 if test "x$disable_munmap" != "xyes"; then
168                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
169                 fi
170                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
171                 LDFLAGS="$LDFLAGS -pthread"
172                 need_link_unlink=yes
173                 AC_DEFINE(PTHREAD_POINTER_ID)
174                 libdl=
175                 gc_default=boehm
176                 libgc_threads=pthreads
177                 with_sigaltstack=no
178                 use_sigposix=yes
179                 ;;
180         *-*-linux-android*)
181                 host_win32=no
182                 platform_android=yes
183                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
184                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
185
186                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
187                 if test "x$disable_munmap" != "xyes"; then
188                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
189                 fi
190                 libmono_cflags="-D_REENTRANT"
191                 libdl="-ldl"
192                 libgc_threads=pthreads
193                 use_sigposix=yes
194
195                 with_tls=pthread
196                 with_sigaltstack=no
197                 with_static_mono=no
198
199                 # Android doesn't support boehm, as it's missing <link.h>
200                 support_boehm=no
201                 with_gc=sgen
202
203                 # isinf(3) requires -lm; see isinf check below
204                 LDFLAGS="$LDFLAGS -lm"
205
206                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
207                 # PAGE_SIZE; breaks mono/io-layer/collection.c
208                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
209                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
210                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
211
212                 # to bypass the underscore linker check, can't work when cross-compiling
213                 mono_cv_uscore=yes
214                 mono_cv_clang=no
215                 ;;
216         *-*-linux*)
217                 host_win32=no
218                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
219                 if test "x$disable_munmap" != "xyes"; then
220                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
221                 fi
222                 libmono_cflags="-D_REENTRANT"
223                 libdl="-ldl"
224                 libgc_threads=pthreads
225                 use_sigposix=yes
226                 if test "x$cross_compiling" != "xno"; then
227                         # to bypass the underscore linker check, not
228                         # available during cross-compilation
229                         mono_cv_uscore=no
230                 fi
231                 ;;
232         *-*-nacl*)
233                 host_win32=no
234                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
235                 if test "x$disable_munmap" != "xyes"; then
236                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
237                 fi
238                 libmono_cflags="-D_REENTRANT"
239                 libdl=
240                 libgc_threads=pthreads
241                 gc_default=boehm
242                 use_sigposix=yes
243                 ikvm_native=no
244                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
245                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
246                 ;;
247         *-*-hpux*)
248                 host_win32=no
249                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
250                 # +ESdbgasm only valid on bundled cc on RISC
251                 # silently ignored for ia64
252                 if test $GCC != "yes"; then
253                         CFLAGS="$CFLAGS +ESdbgasm"
254                         # Arrange for run-time dereferencing of null
255                         # pointers to produce a SIGSEGV signal.
256                         LDFLAGS="$LDFLAGS -z"
257                 fi
258                 CFLAGS="$CFLAGS +ESdbgasm"
259                 LDFLAGS="$LDFLAGS -z"
260                 libmono_cflags="-D_REENTRANT"
261                 libmono_ldflags="-lpthread"
262                 libgc_threads=pthreads
263                 need_link_unlink=yes
264                 use_sigposix=yes
265                 ;;
266         *-*-solaris*)
267                 host_win32=no
268                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
269                 need_link_unlink=yes
270                 libmono_cflags="-D_REENTRANT"
271                 libgc_threads=pthreads
272                 # This doesn't seem to work on solaris/x86, but the configure test runs
273                 with_tls=pthread
274                 has_dtrace=yes
275                 use_sigposix=yes
276                 enable_solaris_tar_check=yes
277                 ;;
278         *-*-darwin*)
279                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
280                 host_win32=no
281                 platform_darwin=yes
282                 target_mach=yes
283                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
284                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
285                 libmono_cflags="-D_THREAD_SAFE"
286                 need_link_unlink=yes
287                 AC_DEFINE(PTHREAD_POINTER_ID)
288                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
289                 no_version_script=yes
290                 libdl=
291                 libgc_threads=pthreads
292                 has_dtrace=yes
293                 if test "x$cross_compiling" = "xyes"; then
294                         has_broken_apple_cpp=yes
295                 fi
296                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
297                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
298                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
299                 case "$host" in
300                         dnl Snow Leopard and newer config.guess reports as this
301                         i*86-*-darwin*)
302                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
303                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
304                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
305                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
306                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
307                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
308                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
309                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
310                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
312                                 extra_runtime_ldflags="-stack_size,0x800000"
313                                 ;;
314                         x*64-*-darwin*)
315                                 extra_runtime_ldflags="-stack_size,0x800000"
316                                 ;;
317                         arm*-darwin*)
318                                 has_dtrace=no
319                                 ;;                      
320                 esac
321                 ;;
322         *-*-haiku*)
323                 host_win32=no
324                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
325                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
326                 libdl=
327                 LIBS="$LIBS -lnetwork"
328                 need_link_unlink=yes
329                 AC_DEFINE(PTHREAD_POINTER_ID)
330                 libgc_threads=pthreads
331                 use_sigposix=yes
332                 ;;
333         *)
334                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
335                 host_win32=no
336                 libdl="-ldl"
337                 ;;
338 esac
339 AC_MSG_RESULT(ok)
340
341 if test x$need_link_unlink = xyes; then
342    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
343 fi
344
345 AC_SUBST(extra_runtime_ldflags)
346 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
347 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
348 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
349 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
350 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
351 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
352
353 AC_CHECK_TOOL(CC, gcc, gcc)
354 AC_PROG_CC
355 AC_CHECK_TOOL(CXX, g++, g++)
356 AC_PROG_CXX
357 AM_PROG_AS
358 AC_PROG_INSTALL
359 AC_PROG_AWK
360 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
361 : ${CCAS='$(CC)'}
362 # Set ASFLAGS if not already set.
363 : ${CCASFLAGS='$(CFLAGS)'}
364 AC_SUBST(CCAS)
365 AC_SUBST(CCASFLAGS)
366
367 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
368 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
369 if test "x$CXX" = "xg++"; then
370         if test "x$GXX" != "xyes"; then
371                 # automake/libtool is so broken, it requires g++ even if the c++ sources
372                 # are inside automake conditionals
373                 AC_MSG_ERROR([You need to install g++])
374         fi
375 fi
376
377 dnl may require a specific autoconf version
378 dnl AC_PROG_CC_FOR_BUILD
379 dnl CC_FOR_BUILD not automatically detected
380 CC_FOR_BUILD=$CC
381 CFLAGS_FOR_BUILD=$CFLAGS
382 BUILD_EXEEXT=
383 if test "x$cross_compiling" = "xyes"; then
384         CC_FOR_BUILD=cc
385         CFLAGS_FOR_BUILD=
386         BUILD_EXEEXT=""
387 fi
388 AC_SUBST(CC_FOR_BUILD)
389 AC_SUBST(CFLAGS_FOR_BUILD)
390 AC_SUBST(HOST_CC)
391 AC_SUBST(BUILD_EXEEXT)
392
393 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
394 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
395
396 # Set STDC_HEADERS
397 AC_HEADER_STDC
398 AC_LIBTOOL_WIN32_DLL
399 # This causes monodis to not link correctly
400 #AC_DISABLE_FAST_INSTALL
401 AM_PROG_LIBTOOL
402 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
403 DOLT
404
405 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
406 AC_SUBST(export_ldflags)
407
408 # Test whenever ld supports -version-script
409 AC_PROG_LD
410 AC_PROG_LD_GNU
411 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
412    no_version_script=yes
413 fi
414
415 AM_ICONV()
416
417 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
418
419 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
420 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
421 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
422                   [], [], [#include <stddef.h>
423                   #include <sys/socket.h>
424                   #include <linux/socket.h>])
425
426 AC_CHECK_HEADERS(sys/user.h, [], [],
427 [
428 #ifdef HAVE_SYS_PARAM_H
429 # include <sys/param.h>
430 #endif
431 ])
432
433 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
434 if test x$have_zlib = xyes; then
435    AC_TRY_COMPILE([#include <zlib.h>], [
436    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
437    return 0;
438    #else
439    #error No good zlib found
440    #endif
441    ],[
442         AC_MSG_RESULT(Using system zlib)
443         zlib_msg="system zlib"
444         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
445    ],[
446         AC_MSG_RESULT(Using embedded zlib)
447         have_zlib=no
448         zlib_msg="bundled zlib"
449    ])
450 fi
451
452 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
453 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
454
455 # for mono/metadata/debug-symfile.c
456 AC_CHECK_HEADERS(elf.h)
457
458 # for support
459 AC_CHECK_HEADERS(poll.h)
460 AC_CHECK_HEADERS(sys/poll.h)
461 AC_CHECK_HEADERS(sys/wait.h)
462 AC_CHECK_HEADERS(grp.h)
463 AC_CHECK_HEADERS(syslog.h)
464
465 # for mono/dis
466 AC_CHECK_HEADERS(wchar.h)
467 AC_CHECK_HEADERS(ieeefp.h)
468 AC_MSG_CHECKING(for isinf)
469 AC_TRY_LINK([#include <math.h>], [
470         int f = isinf (1);
471 ], [
472         AC_MSG_RESULT(yes)
473         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
474 ], [
475         # We'll have to use signals
476         AC_MSG_RESULT(no)
477 ])
478 # mingw
479 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
480         AC_TRY_LINK([#include <math.h>], 
481         [ _finite(0.0); ], 
482         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
483         AC_MSG_RESULT(no)))
484
485 # for Linux statfs support
486 AC_CHECK_HEADERS(linux/magic.h)
487
488 # not 64 bit clean in cross-compile
489 AC_CHECK_SIZEOF(void *, 4)
490
491 AC_CACHE_CHECK([for clang],
492         mono_cv_clang,[
493         AC_TRY_COMPILE([], [
494                 #ifdef __clang__
495                 #else
496                 #error "FAILED"
497                 #endif
498                 return 0;
499         ],
500         [mono_cv_clang=yes],
501         [mono_cv_clang=no],
502         [])
503 ])
504
505 WARN=''
506 if test x"$GCC" = xyes; then
507         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
508                 # The runtime code does not respect ANSI C strict aliasing rules
509                 CFLAGS="$CFLAGS -fno-strict-aliasing"
510
511                 ORIG_CFLAGS=$CFLAGS
512                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
513                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
514                 AC_TRY_COMPILE([],[
515                                 return 0;
516                 ], [
517                    AC_MSG_RESULT(yes)
518                 ], [
519                    AC_MSG_RESULT(no)
520                    CFLAGS=$ORIG_CFLAGS
521                 ])
522
523                 ORIG_CFLAGS=$CFLAGS
524                 # Check for the normal version, since gcc ignores unknown -Wno options
525                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
526                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
527                 AC_TRY_COMPILE([],[
528                                 return 0;
529                 ], [
530                    AC_MSG_RESULT(yes)
531                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
532                 ], [
533                    AC_MSG_RESULT(no)
534                    CFLAGS=$ORIG_CFLAGS
535                 ])
536
537                 if test "x$mono_cv_clang" = "xyes"; then
538                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
539                    WARN="$WARN -Qunused-arguments"
540                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
541                 fi
542 else
543         # The Sun Forte compiler complains about inline functions that access static variables
544         # so disable all inlining.
545         case "$host" in
546         *-*-solaris*)
547                 CFLAGS="$CFLAGS -Dinline="
548                 ;;
549         esac
550 fi
551 CFLAGS="$CFLAGS -g $WARN"
552 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
553
554 # Where's the 'mcs' source tree?
555 if test -d $srcdir/mcs; then
556   mcsdir=mcs
557 else
558   mcsdir=../mcs
559 fi
560
561 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
562         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
563                 mcsdir=$with_mcs_path
564         fi
565 )
566
567 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
568
569 #
570 # A sanity check to catch cases where the package was unpacked
571 # with an ancient tar program (Solaris)
572 #
573 AC_ARG_ENABLE(solaris-tar-check,
574 [  --disable-solaris-tar-check    disable solaris tar check],
575    do_solaris_tar_check=no, do_solaris_tar_check=yes)
576
577 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
578         AC_MSG_CHECKING(integrity of package)
579         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
580         then
581                 AC_MSG_RESULT(ok)
582         else
583                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
584                 AC_MSG_ERROR([$errorm])
585         fi
586 fi
587
588 if test "x$with_mcs_path" != "x"; then
589 mcs_topdir=$(cd "$mcsdir" && pwd)
590 mcs_topdir_from_srcdir=$mcs_topdir
591 else
592 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
593 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
594 fi
595
596 # Convert mcs_topdir* paths to Windows syntax.
597 if test x$cross_compiling$host_win32 = xnoyes; then
598   mcs_topdir=$(cygpath -m $mcs_topdir)
599   case $mcs_topdir_from_srcdir in
600     /cygdrive/*)
601         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
602         ;;
603   esac
604 fi
605
606 AC_SUBST([mcs_topdir])
607 AC_SUBST([mcs_topdir_from_srcdir])
608
609 # Where's the 'olive' source tree?
610 if test -d $srcdir/olive; then
611   olivedir=olive
612 else
613   olivedir=../olive
614 fi
615
616 if test -d $srcdir/$olivedir; then
617 olive_topdir='$(top_srcdir)/'$olivedir
618 fi
619
620 # gettext: prepare the translation directories. 
621 # we do not configure the full gettext, as we consume it dynamically from C#
622 AM_PO_SUBDIRS
623
624 if test "x$USE_NLS" = "xyes"; then
625    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
626
627    if test "x$HAVE_MSGFMT" = "xno"; then
628           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
629    fi
630 fi
631
632 AC_ARG_WITH([libgdiplus], 
633         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
634         [], [with_libgdiplus=installed])
635
636 case $with_libgdiplus in
637 no|installed) libgdiplus_loc= ;;
638 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
639 /*) libgdiplus_loc=$with_libgdiplus ;;
640 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
641 esac
642 AC_SUBST([libgdiplus_loc])
643
644 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
645
646 pkg_config_path=
647 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
648         if test x$with_crosspkgdir = "x"; then
649                 if test -s $PKG_CONFIG_PATH; then
650                         pkg_config_path=$PKG_CONFIG_PATH
651                 fi
652         else
653                 pkg_config_path=$with_crosspkgdir
654                 PKG_CONFIG_PATH=$pkg_config_path
655                 export PKG_CONFIG_PATH
656         fi
657 )
658
659 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
660 AC_CONFIG_SUBDIRS(eglib)
661
662 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
663 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
664 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
665 BUILD_GLIB_LIBS="$GLIB_LIBS"
666 GMODULE_CFLAGS="$GLIB_CFLAGS"
667 GMODULE_LIBS="$GLIB_LIBS"
668   
669 AC_SUBST(GLIB_CFLAGS)
670 AC_SUBST(GLIB_LIBS)
671 AC_SUBST(GMODULE_CFLAGS)
672 AC_SUBST(GMODULE_LIBS)
673 AC_SUBST(BUILD_GLIB_CFLAGS)
674 AC_SUBST(BUILD_GLIB_LIBS)
675
676 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
677
678 # Enable support for fast thread-local storage
679 # Some systems have broken support, so we allow to disable it.
680 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
681
682 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
683 # This does not work on some platforms (bug #55253)
684 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
685
686 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
687 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
688 # Same as --with-shared_mono=no
689 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
690
691 if test "x$enable_static" = "xno"; then
692    with_static_mono=no
693 fi
694
695 if test "x$enable_shared" = "xno"; then
696    with_shared_mono=no
697 fi
698
699 if test "x$enable_libraries" = "xno"; then
700    with_shared_mono=no
701 fi
702
703 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
704
705 case $host in
706 *nacl* ) with_shared_mono=yes;;
707 esac
708
709 if test "x$host_win32" = "xyes"; then
710    # Boehm GC requires the runtime to be in its own dll
711    with_static_mono=no
712 fi
713
714 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
715 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
716 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
717
718 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
719 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
720         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
721         ORIG_CFLAGS=$CFLAGS
722         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
723         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
724         AC_TRY_COMPILE([], [
725                 return 0;
726         ], [
727            AC_MSG_RESULT(yes)
728            # Pass it to libgc as well
729            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
730         ], [
731            AC_MSG_RESULT(no)
732            CFLAGS=$ORIG_CFLAGS
733         ])
734 fi
735
736 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
737
738 if test x$enable_small_config = xyes; then
739         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
740         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
741 fi
742
743 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=$enableval, enable_system_aot=default)
744
745 DISABLED_FEATURES=none
746
747 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
748      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
749      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
750          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
751 [
752         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
753                 eval "mono_feature_disable_$feature='yes'"
754         done
755         DISABLED_FEATURES=$enable_minimal
756         disabled="Disabled:      $enable_minimal"
757 ],[])
758
759 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
760
761 if test "x$mono_feature_disable_aot" = "xyes"; then
762         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
763         AC_MSG_NOTICE([Disabled AOT compiler])
764 fi
765
766 if test "x$mono_feature_disable_profiler" = "xyes"; then
767         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
768         AC_MSG_NOTICE([Disabled support for the profiler])
769 fi
770 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
771
772 if test "x$mono_feature_disable_decimal" = "xyes"; then
773         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
774         AC_MSG_NOTICE([Disabled support for decimal])
775 fi
776
777 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
778         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
779         AC_MSG_NOTICE([Disabled support for P/Invoke])
780 fi
781
782 if test "x$mono_feature_disable_debug" = "xyes"; then
783         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
784         AC_MSG_NOTICE([Disabled support for runtime debugging])
785 fi
786
787 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
788         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
789         mono_feature_disable_reflection_emit_save=yes
790         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
791 fi
792
793 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
794         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
795         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
796 fi
797
798 if test "x$mono_feature_disable_large_code" = "xyes"; then
799         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
800         AC_MSG_NOTICE([Disabled support for large assemblies])
801 fi
802
803 if test "x$mono_feature_disable_logging" = "xyes"; then
804         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
805         AC_MSG_NOTICE([Disabled support for logging])
806 fi
807
808 if test "x$mono_feature_disable_com" = "xyes"; then
809         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
810         AC_MSG_NOTICE([Disabled COM support])
811 fi
812
813 if test "x$mono_feature_disable_ssa" = "xyes"; then
814         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
815         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
816 fi
817
818 if test "x$mono_feature_disable_generics" = "xyes"; then
819         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
820         AC_MSG_NOTICE([Disabled Generics Support])
821 fi
822
823 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
824         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
825         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
826 fi
827
828 if test "x$mono_feature_disable_portability" = "xyes"; then
829         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
830         AC_MSG_NOTICE([Disabled IO Portability layer])
831 fi
832
833 if test "x$mono_feature_disable_attach" = "xyes"; then
834         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
835         AC_MSG_NOTICE([Disabled agent attach])
836 fi
837
838 if test "x$mono_feature_disable_full_messages" = "xyes"; then
839         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
840         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
841 fi
842
843 if test "x$mono_feature_disable_verifier" = "xyes"; then
844         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
845         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
846 fi
847
848 if test "x$mono_feature_disable_jit" = "xyes"; then
849         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
850         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
851 fi
852
853 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
854
855 if test "x$mono_feature_disable_simd" = "xyes"; then
856         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
857         AC_MSG_NOTICE([Disabled SIMD support])
858 fi
859
860 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
861         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
862         AC_MSG_NOTICE([Disabled Soft Debugger.])
863 fi
864
865 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
866         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
867         AC_MSG_NOTICE([Disabled Performance Counters.])
868 fi
869 if test "x$mono_feature_disable_normalization" = "xyes"; then
870         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
871         AC_MSG_NOTICE([Disabled String normalization support.])
872 fi
873
874 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
875         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
876         AC_MSG_NOTICE([Disabled Assembly remapping.])
877 fi
878
879 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
880         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
881         AC_MSG_NOTICE([Disabled Shared perfcounters.])
882 fi
883
884 if test "x$mono_feature_disable_appdomains" = "xyes"; then
885         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
886         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
887 fi
888
889 if test "x$mono_feature_disable_remoting" = "xyes"; then
890         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
891         AC_MSG_NOTICE([Disabled remoting])
892 fi
893
894 if test "x$mono_feature_disable_security" = "xyes"; then
895         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
896         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
897 fi
898
899 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
900         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
901         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
902 fi
903
904 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
905         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
906         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
907 fi
908
909 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
910         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
911         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
912 fi
913
914 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
915         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
916         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
917 fi
918
919 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
920         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
921         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
922 fi
923
924 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
925 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
926
927 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
928 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
929
930 if test x$has_extension_module != xno ; then
931         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
932         AC_MSG_NOTICE([Enabling mono extension module.])
933 fi
934
935
936 AC_MSG_CHECKING(for visibility __attribute__)
937 AC_COMPILE_IFELSE([
938         AC_LANG_SOURCE([[
939                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
940                 int main () { doit (); return 0; }
941         ]])
942 ], [
943    have_visibility_hidden=yes
944    AC_MSG_RESULT(yes)
945 ], [
946    have_visibility_hidden=no
947    AC_MSG_RESULT(no)
948 ])
949
950 AC_MSG_CHECKING(for deprecated __attribute__)
951 AC_TRY_COMPILE([
952      int doit (void) __attribute__ ((deprecated));
953      int doit (void) { return 0; }
954 ], [
955         return 0;
956 ], [
957    have_deprecated=yes
958    AC_MSG_RESULT(yes)
959 ], [
960    have_deprecated=no
961    AC_MSG_RESULT(no)
962 ])
963
964 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
965 if test x$enable_parallel_mark = xyes; then
966         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
967 fi
968
969 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
970 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
971
972 dnl
973 dnl Boehm GC configuration
974 dnl
975 LIBGC_CPPFLAGS=
976 LIBGC_LIBS=
977 LIBGC_STATIC_LIBS=
978 libgc_dir=
979 case "x$gc" in
980         xboehm|xbohem|xyes)
981                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
982                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
983
984                 if test "x$found_boehm" != "xyes"; then
985                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
986                 fi
987                 if test "x$gc_headers" != "xyes"; then
988                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
989                 fi
990
991                 LIBGC_LIBS="-lgc $libdl"
992                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
993                 libmono_ldflags="$libmono_ldflags -lgc"
994                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
995
996                 # AC_CHECK_FUNCS does not work for some reason...
997                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
998                 if test "x$found_gcj_malloc" = "xyes"; then
999                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1000                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1001                         gc_msg="System Boehm with typed GC"
1002                 else
1003                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1004                         gc_msg="System Boehm (without typed GC)"
1005                 fi
1006                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1007                 if test "x$found_gc_enable" = "xyes"; then
1008                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1009                 fi
1010
1011                 # check whether we need to explicitly allow
1012                 # thread registering
1013                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1014                 if test "x$found_allow_register_threads" = "xyes"; then
1015                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1016                 fi
1017
1018                 ;;
1019
1020         xincluded)
1021                 use_included_gc=yes
1022                 libgc_dir=libgc
1023
1024                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1025                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1026                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1027
1028                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1029
1030                 gc_msg="bundled Boehm GC with typed GC"
1031                 if test x$enable_parallel_mark = xyes; then
1032                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1033                         gc_msg="$gc_msg and parallel mark"
1034                 else
1035                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1036                 fi
1037                 ;;
1038
1039         xsgen)
1040                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1041                 ;;
1042
1043         xnone)
1044                 AC_MSG_WARN("Compiling mono without GC.")
1045                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1046                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1047                 ;;
1048         *)
1049                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1050                 ;;
1051 esac
1052
1053 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1054 if test "x$large_heap" = "xyes"; then
1055    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1056 fi
1057
1058 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1059 AC_SUBST(LIBGC_CPPFLAGS)
1060 AC_SUBST(LIBGC_LIBS)
1061 AC_SUBST(LIBGC_STATIC_LIBS)
1062 AC_SUBST(libgc_dir)
1063 AC_SUBST(BOEHM_DEFINES)
1064
1065 dnl
1066 dnl End of libgc checks
1067 dnl
1068
1069 dnl *************************************
1070 dnl *** Checks for zero length arrays ***
1071 dnl *************************************
1072 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1073 AC_TRY_COMPILE([
1074         struct s {
1075                 int  length;
1076                 char data [0];
1077         };
1078 ], [], [
1079         AC_MSG_RESULT(yes)
1080         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1081 ], [
1082         AC_MSG_RESULT(no)
1083         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1084 ])
1085
1086 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1087
1088 if test x$target_win32 = xno; then
1089
1090         dnl hires monotonic clock support
1091         AC_SEARCH_LIBS(clock_gettime, rt)
1092
1093         dnl dynamic loader support
1094         AC_CHECK_FUNC(dlopen, DL_LIB="",
1095                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1096         )
1097         if test x$dl_support = xno; then
1098                 AC_MSG_WARN([No dynamic loading support available])
1099         else
1100                 LIBS="$LIBS $DL_LIB"
1101                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1102                 dnl from glib's configure.in
1103                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1104                         mono_cv_uscore,[
1105                         AC_TRY_RUN([#include <dlfcn.h>
1106                         int mono_underscore_test (void) { return 42; }
1107                         int main() {
1108                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1109                           handle = dlopen ((void*)0, 0);
1110                           if (handle) {
1111                             f1 = dlsym (handle, "mono_underscore_test");
1112                             f2 = dlsym (handle, "_mono_underscore_test");
1113                           } return (!f2 || f1);
1114                         }],
1115                                 [mono_cv_uscore=yes],
1116                                 [mono_cv_uscore=no],
1117                         [])
1118                 ])
1119                 if test "x$mono_cv_uscore" = "xyes"; then
1120                         MONO_DL_NEED_USCORE=1
1121                 else
1122                         MONO_DL_NEED_USCORE=0
1123                 fi
1124                 AC_SUBST(MONO_DL_NEED_USCORE)
1125                 AC_CHECK_FUNC(dlerror)
1126         fi
1127
1128         dnl ******************************************************************
1129         dnl *** Checks for the IKVM JNI interface library                  ***
1130         dnl ******************************************************************
1131         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])
1132
1133         ikvm_native_dir=
1134         if test x$with_ikvm_native = xyes; then
1135                 ikvm_native_dir=ikvm-native
1136                 jdk_headers_found="IKVM Native"
1137         fi
1138
1139         AC_SUBST(ikvm_native_dir)
1140
1141         AC_CHECK_HEADERS(execinfo.h)
1142
1143         AC_CHECK_HEADERS(sys/auxv.h)
1144
1145         AC_CHECK_FUNCS(getgrgid_r)
1146         AC_CHECK_FUNCS(getgrnam_r)
1147         AC_CHECK_FUNCS(getpwnam_r)
1148         AC_CHECK_FUNCS(getpwuid_r)
1149         AC_CHECK_FUNCS(getresuid)
1150         AC_CHECK_FUNCS(setresuid)
1151         AC_CHECK_FUNCS(kqueue)
1152         AC_CHECK_FUNCS(backtrace_symbols)
1153         AC_CHECK_FUNCS(mkstemp)
1154         AC_CHECK_FUNCS(mmap)
1155         AC_CHECK_FUNCS(madvise)
1156         AC_CHECK_FUNCS(getrusage)
1157         AC_CHECK_FUNCS(getpriority)
1158         AC_CHECK_FUNCS(setpriority)
1159         AC_CHECK_FUNCS(dl_iterate_phdr)
1160         AC_CHECK_FUNCS(dladdr)
1161         AC_CHECK_FUNCS(sysconf)
1162
1163         AC_CHECK_FUNCS(sched_setaffinity)
1164         AC_CHECK_FUNCS(sched_getcpu)
1165
1166         dnl ****************************************************************
1167         dnl *** Check for sched_setaffinity from glibc versions before   ***
1168         dnl *** 2.3.4. The older versions of the function only take 2    ***
1169         dnl *** parameters, not 3.                                       ***
1170         dnl ***                                                          ***
1171         dnl *** Because the interface change was not made in a minor     ***
1172         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1173         dnl *** won't always indicate the interface sched_affinity has.  ***
1174         dnl ****************************************************************
1175         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1176         AC_TRY_COMPILE([#include <sched.h>], [
1177             int mask = 1; 
1178             sched_setaffinity(0, &mask);
1179                         return 0;
1180         ], [
1181                 # Yes, we have it...
1182                 AC_MSG_RESULT(yes)
1183                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1184         ], [
1185                 # We have the new, three-parameter version
1186                 AC_MSG_RESULT(no)
1187         ])
1188
1189
1190         dnl ******************************************************************
1191         dnl *** Check for large file support                               ***
1192         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1193         dnl ******************************************************************
1194         
1195         # Check that off_t can represent 2**63 - 1 correctly, working around
1196         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1197         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1198         large_offt=no
1199         AC_DEFUN([LARGE_FILES], [
1200                 large_CPPFLAGS=$CPPFLAGS
1201                 CPPFLAGS="$CPPFLAGS $1"
1202                 AC_TRY_COMPILE([
1203                         #include <sys/types.h>
1204                         #include <limits.h>
1205                 ], [
1206                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1207                         #define COMPILE_TIME_ASSERT(pred) \
1208                                 switch(0){case 0:case pred:;}
1209                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1210                 ], [
1211                         AC_MSG_RESULT(ok)
1212                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1213                         large_CPPFLAGS="$large_CPPFLAGS $1"
1214                         large_offt=yes
1215                 ], [
1216                         AC_MSG_RESULT(no)
1217                 ])
1218                 CPPFLAGS=$large_CPPFLAGS
1219         ])
1220
1221         AC_MSG_CHECKING(if off_t is 64 bits wide)
1222         LARGE_FILES("")
1223         if test $large_offt = no; then
1224                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1225                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1226         fi
1227         if test $large_offt = no; then
1228                 AC_MSG_WARN([No 64 bit file size support available])
1229         fi
1230         
1231         dnl *****************************
1232         dnl *** Checks for libsocket  ***
1233         dnl *****************************
1234         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1235
1236         case "$host" in
1237                 *-*-*freebsd*)
1238                         dnl *****************************
1239                         dnl *** Checks for libinotify ***
1240                         dnl *****************************
1241                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1242         esac
1243
1244         dnl *******************************
1245         dnl *** Checks for MSG_NOSIGNAL ***
1246         dnl *******************************
1247         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1248         AC_TRY_COMPILE([#include <sys/socket.h>], [
1249                 int f = MSG_NOSIGNAL;
1250         ], [
1251                 # Yes, we have it...
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1254         ], [
1255                 # We'll have to use signals
1256                 AC_MSG_RESULT(no)
1257         ])
1258
1259         dnl *****************************
1260         dnl *** Checks for IPPROTO_IP ***
1261         dnl *****************************
1262         AC_MSG_CHECKING(for IPPROTO_IP)
1263         AC_TRY_COMPILE([#include <netinet/in.h>], [
1264                 int level = IPPROTO_IP;
1265         ], [
1266                 # Yes, we have it...
1267                 AC_MSG_RESULT(yes)
1268                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1269         ], [
1270                 # We'll have to use getprotobyname
1271                 AC_MSG_RESULT(no)
1272         ])
1273
1274         dnl *******************************
1275         dnl *** Checks for IPPROTO_IPV6 ***
1276         dnl *******************************
1277         AC_MSG_CHECKING(for IPPROTO_IPV6)
1278         AC_TRY_COMPILE([#include <netinet/in.h>], [
1279                 int level = IPPROTO_IPV6;
1280         ], [
1281                 # Yes, we have it...
1282                 AC_MSG_RESULT(yes)
1283                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1284         ], [
1285                 # We'll have to use getprotobyname
1286                 AC_MSG_RESULT(no)
1287         ])
1288
1289         dnl ******************************
1290         dnl *** Checks for IPPROTO_TCP ***
1291         dnl ******************************
1292         AC_MSG_CHECKING(for IPPROTO_TCP)
1293         AC_TRY_COMPILE([#include <netinet/in.h>], [
1294                 int level = IPPROTO_TCP;
1295         ], [
1296                 # Yes, we have it...
1297                 AC_MSG_RESULT(yes)
1298                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1299         ], [
1300                 # We'll have to use getprotobyname
1301                 AC_MSG_RESULT(no)
1302         ])
1303
1304         dnl *****************************
1305         dnl *** Checks for SOL_IP     ***
1306         dnl *****************************
1307         AC_MSG_CHECKING(for SOL_IP)
1308         AC_TRY_COMPILE([#include <netdb.h>], [
1309                 int level = SOL_IP;
1310         ], [
1311                 # Yes, we have it...
1312                 AC_MSG_RESULT(yes)
1313                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1314         ], [
1315                 # We'll have to use getprotobyname
1316                 AC_MSG_RESULT(no)
1317         ])
1318
1319         dnl *****************************
1320         dnl *** Checks for SOL_IPV6     ***
1321         dnl *****************************
1322         AC_MSG_CHECKING(for SOL_IPV6)
1323         AC_TRY_COMPILE([#include <netdb.h>], [
1324                 int level = SOL_IPV6;
1325         ], [
1326                 # Yes, we have it...
1327                 AC_MSG_RESULT(yes)
1328                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1329         ], [
1330                 # We'll have to use getprotobyname
1331                 AC_MSG_RESULT(no)
1332         ])
1333
1334         dnl *****************************
1335         dnl *** Checks for SOL_TCP    ***
1336         dnl *****************************
1337         AC_MSG_CHECKING(for SOL_TCP)
1338         AC_TRY_COMPILE([#include <netdb.h>], [
1339                 int level = SOL_TCP;
1340         ], [
1341                 # Yes, we have it...
1342                 AC_MSG_RESULT(yes)
1343                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1344         ], [
1345                 # We'll have to use getprotobyname
1346                 AC_MSG_RESULT(no)
1347         ])
1348
1349         dnl *****************************
1350         dnl *** Checks for IP_PKTINFO ***
1351         dnl *****************************
1352         AC_MSG_CHECKING(for IP_PKTINFO)
1353         AC_TRY_COMPILE([#include <linux/in.h>], [
1354                 int level = IP_PKTINFO;
1355         ], [
1356                 # Yes, we have it...
1357                 AC_MSG_RESULT(yes)
1358                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1359         ], [
1360                 AC_MSG_RESULT(no)
1361         ])
1362
1363         dnl *****************************
1364         dnl *** Checks for IPV6_PKTINFO ***
1365         dnl *****************************
1366         AC_MSG_CHECKING(for IPV6_PKTINFO)
1367         AC_TRY_COMPILE([#include <netdb.h>], [
1368                 int level = IPV6_PKTINFO;
1369         ], [
1370                 # Yes, we have it...
1371                 AC_MSG_RESULT(yes)
1372                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1373         ], [
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377         dnl **********************************
1378         dnl *** Checks for IP_DONTFRAG     ***
1379         dnl **********************************
1380         AC_MSG_CHECKING(for IP_DONTFRAG)
1381         AC_TRY_COMPILE([#include <netinet/in.h>], [
1382                 int level = IP_DONTFRAG;
1383         ], [
1384                 # Yes, we have it...
1385                 AC_MSG_RESULT(yes)
1386                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1387         ], [
1388                 AC_MSG_RESULT(no)
1389         ])
1390
1391         dnl **********************************
1392         dnl *** Checks for IP_DONTFRAGMENT ***
1393         dnl **********************************
1394         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1395         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1396                 int level = IP_DONTFRAGMENT;
1397         ], [
1398                 # Yes, we have it...
1399                 AC_MSG_RESULT(yes)
1400                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1401         ], [
1402                 AC_MSG_RESULT(no)
1403         ])
1404
1405         dnl **********************************
1406         dnl *** Checks for IP_MTU_DISCOVER ***
1407         dnl **********************************
1408         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1409         AC_TRY_COMPILE([#include <linux/in.h>], [
1410                 int level = IP_MTU_DISCOVER;
1411         ], [
1412                 # Yes, we have it...
1413                 AC_MSG_RESULT(yes)
1414                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1415         ], [
1416                 AC_MSG_RESULT(no)
1417         ])
1418
1419         dnl **********************************
1420         dnl *** Checks for  IP_PMTUDISC_DO ***
1421         dnl **********************************
1422         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1423         AC_TRY_COMPILE([#include <linux/in.h>], [
1424                 int level = IP_PMTUDISC_DO;
1425         ], [
1426                 # Yes, we have it...
1427                 AC_MSG_RESULT(yes)
1428                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1429         ], [
1430                 AC_MSG_RESULT(no)
1431         ])
1432
1433         dnl *********************************
1434         dnl *** Check for struct ip_mreqn ***
1435         dnl *********************************
1436         AC_MSG_CHECKING(for struct ip_mreqn)
1437         AC_TRY_COMPILE([#include <netinet/in.h>], [
1438                 struct ip_mreqn mreq;
1439                 mreq.imr_address.s_addr = 0;
1440         ], [
1441                 # Yes, we have it...
1442                 AC_MSG_RESULT(yes)
1443                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1444         ], [
1445                 # We'll just have to try and use struct ip_mreq
1446                 AC_MSG_RESULT(no)
1447                 AC_MSG_CHECKING(for struct ip_mreq)
1448                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1449                         struct ip_mreq mreq;
1450                         mreq.imr_interface.s_addr = 0;
1451                 ], [
1452                         # Yes, we have it...
1453                         AC_MSG_RESULT(yes)
1454                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1455                 ], [
1456                         # No multicast support
1457                         AC_MSG_RESULT(no)
1458                 ])
1459         ])
1460         
1461         dnl **********************************
1462         dnl *** Check for gethostbyname2_r ***
1463         dnl **********************************
1464         AC_MSG_CHECKING(for gethostbyname2_r)
1465                 AC_TRY_LINK([#include <netdb.h>], [
1466                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1467         ], [
1468                 # Yes, we have it...
1469                 AC_MSG_RESULT(yes)
1470                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1471         ], [
1472                 AC_MSG_RESULT(no)
1473         ])
1474
1475         dnl *****************************
1476         dnl *** Checks for libnsl     ***
1477         dnl *****************************
1478         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1479
1480         AC_CHECK_FUNCS(inet_pton inet_aton)
1481
1482         dnl ***********************************************
1483         dnl *** Checks for size of sockaddr_un.sun_path ***
1484         dnl ***********************************************
1485         # AC_CHECK_SIZEOF can't cope with struct members :-(
1486         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1487         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1488                 [AC_TRY_RUN([
1489                         #include <sys/types.h>
1490                         #include <stdio.h>
1491                         #include <sys/un.h>
1492
1493                         int main(void) {
1494                                 struct sockaddr_un sock_un;
1495                                 FILE *f=fopen("conftestval", "w");
1496                                 if(!f) exit(1);
1497                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1498                                 exit(0);
1499                         }
1500                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1501                    mono_cv_sizeof_sunpath=0,
1502                    mono_cv_sizeof_sunpath=0)])dnl
1503         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1504         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1505
1506         dnl *****************************
1507         dnl *** Checks for libxnet    ***
1508         dnl *****************************
1509         case "${host}" in
1510                 *solaris* )
1511                         AC_MSG_CHECKING(for Solaris XPG4 support)
1512                         if test -f /usr/lib/libxnet.so; then
1513                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1514                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1515                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1516                                 LIBS="$LIBS -lxnet"
1517                                 AC_MSG_RESULT(yes)
1518                         else
1519                                 AC_MSG_RESULT(no)
1520                         fi
1521
1522                         if test "$GCC" = "yes"; then
1523                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1524                         fi
1525                 ;;
1526         esac
1527
1528         dnl *****************************
1529         dnl *** Checks for libpthread ***
1530         dnl *****************************
1531 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1532 # and libpthread does not exist
1533 #
1534         case "${host}" in
1535                 *-*-*freebsd*)
1536                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1537                 ;;
1538                 *-*-*openbsd*)
1539                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1540                 ;;
1541                 *)
1542                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1543                 ;;
1544         esac
1545         AC_CHECK_HEADERS(pthread.h)
1546         AC_CHECK_HEADERS(pthread_np.h)
1547         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1548         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1549         AC_CHECK_FUNCS(pthread_kill)
1550         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1551         AC_TRY_COMPILE([ #include <pthread.h>], [
1552                 pthread_mutexattr_t attr;
1553                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1554         ], [
1555                 AC_MSG_RESULT(ok)
1556         ], [
1557                 AC_MSG_RESULT(no)
1558                 AC_ERROR(Posix system lacks support for recursive mutexes)
1559         ])
1560         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1561         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1562         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1563
1564         dnl ***********************************
1565         dnl *** Checks for signals
1566         dnl ***********************************
1567         AC_CHECK_HEADERS(signal.h)
1568         AC_CHECK_FUNCS(sigaction)
1569
1570         dnl ***********************************
1571         dnl *** Checks for working __thread ***
1572         dnl ***********************************
1573         AC_MSG_CHECKING(for working __thread)
1574         if test "x$with_tls" != "x__thread"; then
1575                 AC_MSG_RESULT(disabled)
1576         else
1577                 AC_TRY_RUN([
1578                         #if defined(__APPLE__) && defined(__clang__)
1579                         #error "__thread does not currently work with clang on Mac OS X"
1580                         #endif
1581                         
1582                         #include <pthread.h>
1583                         __thread int i;
1584                         static int res1, res2;
1585
1586                         void thread_main (void *arg)
1587                         {
1588                                 i = arg;
1589                                 sleep (1);
1590                                 if (arg == 1)
1591                                         res1 = (i == arg);
1592                                 else
1593                                         res2 = (i == arg);
1594                         }
1595
1596                         int main () {
1597                                 pthread_t t1, t2;
1598
1599                                 i = 5;
1600
1601                                 pthread_create (&t1, NULL, thread_main, 1);
1602                                 pthread_create (&t2, NULL, thread_main, 2);
1603
1604                                 pthread_join (t1, NULL);
1605                                 pthread_join (t2, NULL);
1606
1607                                 return !(res1 + res2 == 2);
1608                         }
1609                 ], [
1610                                 AC_MSG_RESULT(yes)
1611                 ], [
1612                                 AC_MSG_RESULT(no)
1613                                 with_tls=pthread
1614                 ])
1615         fi
1616
1617         dnl **************************************
1618         dnl *** Checks for working sigaltstack ***
1619         dnl **************************************
1620         AC_MSG_CHECKING(for working sigaltstack)
1621         if test "x$with_sigaltstack" != "xyes"; then
1622                 AC_MSG_RESULT(disabled)
1623         else
1624                 AC_TRY_RUN([
1625                         #include <stdio.h>
1626                         #include <stdlib.h>
1627                         #include <unistd.h>
1628                         #include <signal.h>
1629                         #include <pthread.h>
1630                         #include <sys/wait.h>
1631                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1632                         #define SA_STACK SA_ONSTACK
1633                         #endif
1634                         static void
1635                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1636                         {
1637                                 exit (0);
1638                         }
1639
1640                         volatile char*__ptr = NULL;
1641                         static void *
1642                         loop (void *ignored)
1643                         {
1644                                 *__ptr = 0;
1645                                 return NULL;
1646                         }
1647
1648                         static void
1649                         child ()
1650                         {
1651                                 struct sigaction sa;
1652                         #ifdef __APPLE__
1653                                 stack_t sas;
1654                         #else
1655                                 struct sigaltstack sas;
1656                         #endif
1657                                 pthread_t id;
1658                                 pthread_attr_t attr;
1659
1660                                 sa.sa_sigaction = sigsegv_signal_handler;
1661                                 sigemptyset (&sa.sa_mask);
1662                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1663                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1664                                         perror ("sigaction");
1665                                         return;
1666                                 }
1667
1668                                 /* x86 darwin deliver segfaults using SIGBUS */
1669                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1670                                         perror ("sigaction");
1671                                         return;
1672                                 }
1673                                 sas.ss_sp = malloc (SIGSTKSZ);
1674                                 sas.ss_size = SIGSTKSZ;
1675                                 sas.ss_flags = 0;
1676                                 if (sigaltstack (&sas, NULL) == -1) {
1677                                         perror ("sigaltstack");
1678                                         return;
1679                                 }
1680
1681                                 pthread_attr_init (&attr);
1682                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1683                                         printf ("pthread_create\n");
1684                                         return;
1685                                 }
1686
1687                                 sleep (100);
1688                         }
1689
1690                         int
1691                         main ()
1692                         {
1693                                 pid_t son;
1694                                 int status;
1695                                 int i;
1696
1697                                 son = fork ();
1698                                 if (son == -1) {
1699                                         return 1;
1700                                 }
1701
1702                                 if (son == 0) {
1703                                         child ();
1704                                         return 0;
1705                                 }
1706
1707                                 for (i = 0; i < 300; ++i) {
1708                                         waitpid (son, &status, WNOHANG);
1709                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1710                                                 return 0;
1711                                         usleep (10000);
1712                                 }
1713
1714                                 kill (son, SIGKILL);
1715                                 return 1;
1716                         }
1717
1718                 ], [
1719                                 AC_MSG_RESULT(yes)
1720                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1721                 ], [
1722                                 with_sigaltstack=no
1723                                 AC_MSG_RESULT(no)
1724                 ])
1725         fi
1726
1727         dnl ********************************
1728         dnl *** Checks for semaphore lib ***
1729         dnl ********************************
1730         # 'Real Time' functions on Solaris
1731         # posix4 on Solaris 2.6
1732         # pthread (first!) on Linux
1733         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1734
1735         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1736         AC_CHECK_FUNCS(shm_open)
1737
1738         dnl ********************************
1739         dnl *** Checks for timezone stuff **
1740         dnl ********************************
1741         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1742                 AC_TRY_COMPILE([
1743                         #include <time.h>
1744                         ], [
1745                         struct tm tm;
1746                         tm.tm_gmtoff = 1;
1747                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1748         if test $ac_cv_struct_tm_gmtoff = yes; then
1749                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1750         else
1751                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1752                         AC_TRY_COMPILE([
1753                                 #include <time.h>
1754                         ], [
1755                                 timezone = 1;
1756                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1757                 if test $ac_cv_var_timezone = yes; then
1758                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1759                 else
1760                         AC_ERROR(unable to find a way to determine timezone)
1761                 fi
1762         fi
1763
1764         dnl *********************************
1765         dnl *** Checks for math functions ***
1766         dnl *********************************
1767         AC_SEARCH_LIBS(sqrtf, m)
1768         if test "x$has_broken_apple_cpp" != "xyes"; then
1769                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1770                         AC_TRY_LINK([#include <math.h>], 
1771                         [ finite(0.0); ], 
1772                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1773                         AC_MSG_RESULT(no)))
1774         fi
1775         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1776                 AC_TRY_LINK([#include <math.h>], 
1777                 [ isfinite(0.0); ], 
1778                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1779                 AC_MSG_RESULT(no)))
1780
1781         dnl ****************************************************************
1782         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1783         dnl *** have it in the library (duh))                            ***
1784         dnl ****************************************************************
1785         AC_CHECK_FUNCS(poll)
1786
1787         dnl *************************
1788         dnl *** Check for signbit ***
1789         dnl *************************
1790         AC_MSG_CHECKING(for signbit)
1791         AC_TRY_LINK([#include <math.h>], [
1792                 int s = signbit(1.0);
1793         ], [
1794                 AC_MSG_RESULT(yes)
1795                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1796         ], [
1797                 AC_MSG_RESULT(no)
1798         ]) 
1799
1800         dnl **********************************
1801         dnl *** epoll                      ***
1802         dnl **********************************
1803         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1804                 AC_CHECK_HEADERS(sys/epoll.h)
1805                 haveepoll=no
1806                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1807                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1808                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1809                 fi
1810         fi
1811
1812         havekqueue=no
1813         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1814                 AC_TRY_LINK([#include <sys/event.h>], 
1815                 [ kqueue(); ],[havekqueue=yes],[]))
1816
1817         dnl **************************************
1818         dnl * Darwin has a race that prevents us from using reliably:
1819         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1820         dnl * Since kqueue is mostly used for scaling large web servers, 
1821         dnl * and very few folks run Mono on large web servers on OSX, falling
1822         dnl * back 
1823         dnl **************************************
1824         if test x$havekqueue = xyes; then
1825                 if x$platform_darwin = xno; then
1826                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1827                 fi
1828         fi
1829
1830         dnl ******************************
1831         dnl *** Checks for SIOCGIFCONF ***
1832         dnl ******************************
1833         AC_CHECK_HEADERS(sys/ioctl.h)
1834         AC_CHECK_HEADERS(net/if.h, [], [],
1835            [
1836            #ifdef HAVE_SYS_TYPES_H
1837            # include <sys/types.h>
1838            #endif
1839            #ifdef HAVE_SYS_SOCKET_H
1840            # include <sys/socket.h>
1841            #endif
1842            ])
1843         AC_MSG_CHECKING(for ifreq)
1844         AC_TRY_COMPILE([
1845                 #include <stdio.h>
1846                 #include <sys/ioctl.h>
1847                 #include <net/if.h>
1848                 ], [
1849                 struct ifconf ifc;
1850                 struct ifreq *ifr;
1851                 void *x;
1852                 ifc.ifc_len = 0;
1853                 ifc.ifc_buf = NULL;
1854                 x = (void *) &ifr->ifr_addr;
1855                 ],[
1856                         AC_MSG_RESULT(yes)
1857                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1858                 ], [
1859                         AC_MSG_RESULT(no)
1860                 ])
1861         dnl **********************************
1862         dnl ***     Checks for sin_len     ***
1863         dnl **********************************
1864         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1865         AC_TRY_COMPILE([
1866                 #include <netinet/in.h>
1867                 ], [
1868                 struct sockaddr_in saddr;
1869                 saddr.sin_len = sizeof (saddr);
1870                 ],[
1871                         AC_MSG_RESULT(yes)
1872                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1873                 ], [
1874                         AC_MSG_RESULT(no)
1875                 ])      
1876         dnl **********************************
1877         dnl ***    Checks for sin6_len     ***
1878         dnl **********************************
1879         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1880         AC_TRY_COMPILE([
1881                 #include <netinet/in.h>
1882                 ], [
1883                 struct sockaddr_in6 saddr6;
1884                 saddr6.sin6_len = sizeof (saddr6);
1885                 ],[
1886                         AC_MSG_RESULT(yes)
1887                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1888                 ], [
1889                         AC_MSG_RESULT(no)
1890                 ])
1891         dnl **********************************
1892         dnl *** Check for getifaddrs       ***
1893         dnl **********************************
1894         AC_MSG_CHECKING(for getifaddrs)
1895                 AC_TRY_LINK([
1896                 #include <stdio.h>
1897                 #include <sys/types.h>
1898                 #include <sys/socket.h>
1899                 #include <ifaddrs.h>
1900         ], [
1901                 getifaddrs(NULL);
1902         ], [
1903                 # Yes, we have it...
1904                 AC_MSG_RESULT(yes)
1905                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1906         ], [
1907                 AC_MSG_RESULT(no)
1908         ])
1909         dnl **********************************
1910         dnl *** Check for if_nametoindex   ***
1911         dnl **********************************
1912         AC_MSG_CHECKING(for if_nametoindex)
1913                 AC_TRY_LINK([
1914                 #include <stdio.h>
1915                 #include <sys/types.h>
1916                 #include <sys/socket.h>
1917                 #include <net/if.h>
1918         ], [
1919                 if_nametoindex(NULL);
1920         ], [
1921                 # Yes, we have it...
1922                 AC_MSG_RESULT(yes)
1923                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1924         ], [
1925                 AC_MSG_RESULT(no)
1926         ])
1927                         
1928         dnl **********************************
1929         dnl *** Checks for MonoPosixHelper ***
1930         dnl **********************************
1931         AC_CHECK_HEADERS(checklist.h)
1932         AC_CHECK_HEADERS(pathconf.h)
1933         AC_CHECK_HEADERS(fstab.h)
1934         AC_CHECK_HEADERS(attr/xattr.h)
1935         AC_CHECK_HEADERS(sys/extattr.h)
1936         AC_CHECK_HEADERS(sys/sendfile.h)
1937         AC_CHECK_HEADERS(sys/statvfs.h)
1938         AC_CHECK_HEADERS(sys/statfs.h)
1939         AC_CHECK_HEADERS(sys/vfstab.h)
1940         AC_CHECK_HEADERS(sys/xattr.h)
1941         AC_CHECK_HEADERS(sys/mman.h)
1942         AC_CHECK_HEADERS(sys/param.h)
1943         AC_CHECK_HEADERS(sys/mount.h, [], [],
1944                 [
1945                 #ifdef HAVE_SYS_PARAM_H
1946                 # include <sys/param.h>
1947                 #endif
1948                 ])
1949         AC_CHECK_HEADERS(sys/mount.h)
1950         AC_CHECK_FUNCS(confstr)
1951         AC_CHECK_FUNCS(seekdir telldir)
1952         AC_CHECK_FUNCS(getdomainname)
1953         AC_CHECK_FUNCS(setdomainname)
1954         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1955         AC_CHECK_FUNCS(setgroups)
1956         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1957         AC_CHECK_FUNCS(getfsstat)
1958         AC_CHECK_FUNCS(lutimes futimes)
1959         AC_CHECK_FUNCS(mremap)
1960         AC_CHECK_FUNCS(remap_file_pages)
1961         AC_CHECK_FUNCS(posix_fadvise)
1962         AC_CHECK_FUNCS(posix_fallocate)
1963         AC_CHECK_FUNCS(posix_madvise)
1964         AC_CHECK_FUNCS(vsnprintf)
1965         AC_CHECK_FUNCS(sendfile)
1966         AC_CHECK_FUNCS(gethostid sethostid)
1967         AC_CHECK_FUNCS(sethostname)
1968         AC_CHECK_FUNCS(statfs)
1969         AC_CHECK_FUNCS(fstatfs)
1970         AC_CHECK_FUNCS(statvfs)
1971         AC_CHECK_FUNCS(fstatvfs)
1972         AC_CHECK_FUNCS(stime)
1973         AC_CHECK_FUNCS(strerror_r)
1974         AC_CHECK_FUNCS(ttyname_r)
1975         AC_CHECK_FUNCS(psignal)
1976         AC_CHECK_FUNCS(getlogin_r)
1977         AC_CHECK_FUNCS(lockf)
1978         AC_CHECK_FUNCS(swab)
1979         AC_CHECK_FUNCS(setusershell endusershell)
1980         AC_CHECK_FUNCS(futimens utimensat)
1981         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
1982         AC_CHECK_FUNCS(readv writev preadv pwritev)
1983         AC_CHECK_SIZEOF(size_t)
1984         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
1985                 [#include <sys/types.h>
1986                  #include <sys/stat.h>
1987                  #include <unistd.h>])
1988         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1989                 [#include <sys/types.h>
1990                  #include <sys/stat.h>
1991                  #include <unistd.h>])
1992         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1993                 [#include <sys/time.h>])
1994         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1995                 [#include <unistd.h>
1996                  #include <fcntl.h>])
1997         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
1998                 [#include <sys/uio.h>])
1999         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2000                 [#include <sys/poll.h>])
2001         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2002                 [#include <sys/types.h>
2003                  #include <sys/stat.h>
2004                  #include <unistd.h>])
2005         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2006                 [#include <time.h>])
2007         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2008                 [#include <sys/time.h>
2009                  #include <sys/types.h>
2010                  #include <utime.h>])
2011         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2012                 [#include <sys/time.h>])
2013         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2014                 [#include <sys/types.h>
2015                  #include <utime.h>])
2016         AC_CHECK_MEMBERS(
2017                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2018                 [#include <sys/types.h>
2019                  #include <dirent.h>])
2020         AC_CHECK_MEMBERS(
2021                 [struct passwd.pw_gecos],,, 
2022                 [#include <sys/types.h>
2023                  #include <pwd.h>])
2024         AC_CHECK_MEMBERS(
2025                 [struct statfs.f_flags],,, 
2026                 [#include <sys/types.h>
2027                  #include <sys/vfs.h>])
2028         AC_CHECK_MEMBERS(
2029                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2030                 [#include <sys/types.h>
2031                  #include <sys/stat.h>
2032                  #include <unistd.h>])
2033
2034         dnl Favour xattr through glibc, but use libattr if we have to
2035         AC_CHECK_FUNC(lsetxattr, ,
2036                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2037         )
2038         AC_SUBST(XATTR_LIB)
2039
2040         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2041         AC_CHECK_MEMBERS(
2042                 [struct kinfo_proc.kp_proc],,, 
2043                 [#include <sys/types.h>
2044                  #include <sys/param.h>
2045                  #include <sys/sysctl.h>
2046                  #include <sys/proc.h>
2047                  ])
2048
2049         dnl *********************************
2050         dnl *** Checks for Windows compilation ***
2051         dnl *********************************
2052         AC_CHECK_HEADERS(sys/time.h)
2053         AC_CHECK_HEADERS(sys/param.h)
2054         AC_CHECK_HEADERS(dirent.h)
2055
2056         dnl ******************************************
2057         dnl *** Checks for OSX and iOS compilation ***
2058         dnl ******************************************
2059         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2060
2061         dnl *********************************
2062         dnl *** Check for Console 2.0 I/O ***
2063         dnl *********************************
2064         AC_CHECK_HEADERS([curses.h])
2065         AC_CHECK_HEADERS([term.h], [], [],
2066         [#if HAVE_CURSES_H
2067          #include <curses.h>
2068          #endif
2069         ])
2070         AC_CHECK_HEADERS([termios.h])
2071
2072         dnl * This is provided in io-layer, but on windows it's only available
2073         dnl * on xp+
2074         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2075 else
2076         dnl *********************************
2077         dnl *** Checks for Windows compilation ***
2078         dnl *********************************
2079         AC_CHECK_HEADERS(winternl.h)
2080
2081         jdk_headers_found=no
2082         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2083         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2084         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2085         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2086         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2087         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2088         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2089
2090         dnl *********************************
2091         dnl *** Check for struct ip_mreqn ***
2092         dnl *********************************
2093         AC_MSG_CHECKING(for struct ip_mreqn)
2094         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2095                 struct ip_mreqn mreq;
2096                 mreq.imr_address.s_addr = 0;
2097         ], [
2098                 # Yes, we have it...
2099                 AC_MSG_RESULT(yes)
2100                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2101         ], [
2102                 # We'll just have to try and use struct ip_mreq
2103                 AC_MSG_RESULT(no)
2104                 AC_MSG_CHECKING(for struct ip_mreq)
2105                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2106                         struct ip_mreq mreq;
2107                         mreq.imr_interface.s_addr = 0;
2108                 ], [
2109                         # Yes, we have it...
2110                         AC_MSG_RESULT(yes)
2111                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2112                 ], [
2113                         # No multicast support
2114                         AC_MSG_RESULT(no)
2115                 ])
2116         ])
2117         AC_CHECK_FUNCS(GetProcessId)
2118 fi
2119
2120 dnl socklen_t check
2121 AC_MSG_CHECKING(for socklen_t)
2122 AC_TRY_COMPILE([
2123 #include <sys/types.h>
2124 #include <sys/socket.h>
2125 ],[
2126   socklen_t foo;
2127 ],[
2128 ac_cv_c_socklen_t=yes
2129         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2130         AC_MSG_RESULT(yes)
2131 ],[
2132         AC_MSG_RESULT(no)
2133 ])
2134
2135 AC_MSG_CHECKING(for array element initializer support)
2136 AC_TRY_COMPILE([#include <sys/socket.h>], [
2137         const int array[] = {[1] = 2,};
2138 ], [
2139         # Yes, we have it...
2140         AC_MSG_RESULT(yes)
2141         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2142 ], [
2143         # We'll have to use signals
2144         AC_MSG_RESULT(no)
2145 ])
2146
2147 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2148         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2149         AC_TRY_LINK([#include <math.h>], 
2150         [ static void *p = &trunc; ],
2151         [
2152                 AC_DEFINE(HAVE_TRUNC) 
2153                 AC_MSG_RESULT(yes)
2154                 ac_cv_trunc=yes
2155         ],
2156         AC_MSG_RESULT(no)))
2157
2158 if test "x$ac_cv_truncl" != "xyes"; then
2159    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2160 fi
2161
2162 AC_CHECK_FUNCS(round)
2163 AC_CHECK_FUNCS(rint)
2164 AC_CHECK_FUNCS(execvp)
2165
2166 dnl ****************************
2167 dnl *** Look for /dev/random ***
2168 dnl ****************************
2169
2170 AC_MSG_CHECKING([if usage of random device is requested])
2171 AC_ARG_ENABLE(dev-random,
2172 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2173 try_dev_random=$enableval, try_dev_random=yes)
2174
2175 AC_MSG_RESULT($try_dev_random)
2176
2177 case "{$build}" in
2178     *-openbsd*)
2179     NAME_DEV_RANDOM="/dev/srandom"
2180     ;;
2181
2182 dnl Win32 does not have /dev/random, they have their own method...
2183
2184     *-mingw*|*-*-cygwin*)
2185     ac_cv_have_dev_random=no
2186     ;;
2187
2188 dnl Everywhere else, it's /dev/random
2189
2190     *)
2191     NAME_DEV_RANDOM="/dev/random"
2192     ;;
2193 esac
2194
2195 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2196
2197 dnl Now check if the device actually exists
2198
2199 if test "x$try_dev_random" = "xyes"; then
2200     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2201     [if test -r "$NAME_DEV_RANDOM" ; then
2202         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2203     if test "x$ac_cv_have_dev_random" = "xyes"; then
2204         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2205     fi
2206 else
2207     AC_MSG_CHECKING(for random device)
2208     ac_cv_have_dev_random=no
2209     AC_MSG_RESULT(has been disabled)
2210 fi
2211
2212 if test "x$host_win32" = "xyes"; then
2213     AC_DEFINE(HAVE_CRYPT_RNG)
2214 fi
2215
2216 if test "x$ac_cv_have_dev_random" = "xno" \
2217     && test "x$host_win32" = "xno"; then
2218     AC_MSG_WARN([[
2219 ***
2220 *** A system-provided entropy source was not found on this system.
2221 *** Because of this, the System.Security.Cryptography random number generator
2222 *** will throw a NotImplemented exception.
2223 ***
2224 *** If you are seeing this message, and you know your system DOES have an
2225 *** entropy collection in place, please contact <crichton@gimp.org> and
2226 *** provide information about the system and how to access the random device.
2227 ***
2228 *** Otherwise you can install either egd or prngd and set the environment
2229 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2230 ***]])
2231 fi
2232  
2233 AC_MSG_CHECKING([if inter-process shared handles are requested])
2234 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2235 AC_MSG_RESULT($try_shared_handles)
2236 if test "x$try_shared_handles" != "xyes"; then
2237         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2238         AC_SUBST(DISABLE_SHARED_HANDLES)
2239 fi
2240
2241 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2242
2243 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2244 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2245
2246 AC_MSG_CHECKING([if big-arrays are to be enabled])
2247 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2248 if test "x$enable_big_arrays" = "xyes" ; then
2249     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2250         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2251     else
2252         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2253     fi
2254 fi
2255 AC_MSG_RESULT($enable_big_arrays)
2256
2257 dnl **************
2258 dnl *** DTRACE ***
2259 dnl **************
2260
2261 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2262
2263 if test "x$enable_dtrace" = "xyes"; then
2264    if test "x$has_dtrace" = "xno"; then
2265           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2266    fi
2267    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2268    if test "x$DTRACE" = "xno"; then
2269           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2270           enable_dtrace=no
2271    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2272           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2273           enable_dtrace=no
2274    fi
2275 fi
2276
2277 dtrace_g=no
2278 if test "x$enable_dtrace" = "xyes"; then
2279         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2280         DTRACEFLAGS=
2281         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2282                 case "$host" in
2283                         powerpc-*-darwin*)
2284                         DTRACEFLAGS="-arch ppc64"
2285                         ;;
2286                         i*86-*-darwin*)
2287                         DTRACEFLAGS="-arch x86_64"
2288                         ;;
2289                         *)
2290                         DTRACEFLAGS=-64
2291                         ;;
2292                 esac
2293         else
2294                 case "$host" in
2295                         powerpc-*-darwin*)
2296                         DTRACEFLAGS="-arch ppc"
2297                         ;;
2298                         i*86-*-darwin*)
2299                         DTRACEFLAGS="-arch i386"
2300                         ;;
2301                         *)
2302                         DTRACEFLAGS=-32
2303                         ;;
2304                 esac
2305         fi
2306         AC_SUBST(DTRACEFLAGS)
2307         case "$host" in
2308                 *-*-solaris*)
2309                 dtrace_g=yes
2310                 ;;
2311         esac
2312         AC_CHECK_HEADERS([sys/sdt.h])
2313 fi
2314 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2315 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2316
2317 dnl **************
2318 dnl ***  NaCl  ***
2319 dnl **************
2320
2321 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2322 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2323
2324 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2325
2326 dnl
2327 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2328 dnl
2329 nacl_self_host=""
2330 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2331    nacl_self_host="nacl_self_host"
2332 fi
2333 AC_SUBST(nacl_self_host)
2334
2335 if test "x$enable_nacl_codegen" = "xyes"; then
2336    MONO_NACL_ALIGN_MASK_OFF=1
2337    AC_DEFINE(TARGET_NACL, 1, [...])
2338    AC_DEFINE(__native_client_codegen__, 1, [...])
2339 else
2340    MONO_NACL_ALIGN_MASK_OFF=0
2341    AC_DEFINE(__default_codegen__, 1, [...])
2342 fi
2343 if test "x$enable_nacl_gc" = "xyes"; then
2344    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2345       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2346    else
2347       # Not yet implemented
2348       INSTRUMENT_CFLAG=""
2349    fi
2350    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2351 fi
2352 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2353
2354 dnl **************
2355 dnl ***  LLVM  ***
2356 dnl **************
2357
2358 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2359 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2360
2361 if test "x$enable_llvm" = "xyes"; then
2362    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2363    if test "x$LLVM_CONFIG" = "xno"; then
2364           AC_MSG_ERROR([llvm-config not found.])
2365    fi
2366
2367    llvm_codegen="x86codegen"
2368    case "$target" in
2369    arm*)
2370                 llvm_codegen="armcodegen"
2371                 ;;
2372    esac
2373
2374    # The output of --cflags seems to include optimizations flags too
2375    LLVM_CFLAGS=`$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'`
2376    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2377    # from LLVM classes.
2378    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2379    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2380    if test "x$host" != "x$target"; then
2381       # No need for jit libs
2382       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2383    else
2384       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2385    fi
2386    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2387
2388    # Should be something like '2.6' or '2.7svn'
2389    llvm_version=`$LLVM_CONFIG --version`
2390    major_version=`echo $llvm_version | cut -c 1`
2391    minor_version=`echo $llvm_version | cut -c 3`
2392    AC_MSG_CHECKING(LLVM version)
2393    AC_MSG_RESULT($llvm_version)
2394    if echo $llvm_version | grep -q 'mono'; then
2395           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2396           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"       
2397    else
2398           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.])
2399    fi
2400
2401    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2402    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2403    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2404
2405    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2406    # llvm's config.h
2407    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2408
2409    AC_SUBST(LLVM_CFLAGS)
2410    AC_SUBST(LLVM_CXXFLAGS)
2411    AC_SUBST(LLVM_LIBS)
2412    AC_SUBST(LLVM_LDFLAGS)
2413    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2414 fi
2415
2416 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2417 if test "x$enable_loadedllvm" = "xyes"; then
2418    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2419 fi
2420 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2421
2422 TARGET="unknown"
2423 ACCESS_UNALIGNED="yes"
2424
2425 JIT_SUPPORTED=no
2426 INTERP_SUPPORTED=no
2427 LIBC="libc.so.6"
2428 INTL="libc.so.6"
2429 SQLITE="libsqlite.so.0"
2430 SQLITE3="libsqlite3.so.0"
2431 X11="libX11.so"
2432
2433 sizeof_register="SIZEOF_VOID_P"
2434
2435 jit_wanted=true
2436 interp_wanted=false
2437 sgen_supported=false
2438 case "$host" in
2439 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2440 #               TARGET=MIPS;
2441 #               ACCESS_UNALIGNED="no"
2442 #               ;;
2443         mips*)
2444                 TARGET=MIPS;
2445                 arch_target=mips;
2446                 sgen_supported=true
2447                 ACCESS_UNALIGNED="no"
2448                 JIT_SUPPORTED=yes
2449
2450                 AC_MSG_CHECKING(for mips n32)
2451                 AC_TRY_COMPILE([],[
2452                 #if _MIPS_SIM != _ABIN32
2453                 #error Not mips n32
2454                 #endif
2455                 return 0;
2456                 ],[
2457                 AC_MSG_RESULT(yes)
2458                 sizeof_register=8
2459                 ],[
2460                 AC_MSG_RESULT(no)
2461                 ])
2462                 ;;
2463         i*86-*-*)
2464                 TARGET=X86;
2465                 arch_target=x86;
2466                 JIT_SUPPORTED=yes
2467                 case $host_os in
2468                   solaris*)
2469                         LIBC="libc.so"
2470                         INTL="libintl.so"
2471                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2472                                 TARGET=AMD64
2473                                 arch_target=amd64
2474                         fi
2475
2476                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2477                         # int astruct __attribute__ ((visibility ("hidden")));
2478                         # void foo ()
2479                         # {
2480                         #       void *p = &astruct;
2481                         # }
2482                         # gcc -fPIC --shared -o libfoo.so foo.c
2483                         # yields:
2484                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2485                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2486                         have_visibility_hidden=no
2487                         sgen_supported=true
2488                         ;;
2489                   mingw*|cygwin*)
2490                         sgen_supported=true
2491                         have_visibility_hidden=no                 
2492                         ;;
2493                   haiku*)
2494                         LIBC=libroot.so
2495                         ;;
2496                   linux*)
2497                         sgen_supported=true
2498                         AOT_SUPPORTED="yes"
2499                         ;;
2500                   darwin*)
2501                         sgen_supported=true
2502                         AOT_SUPPORTED="yes"
2503                         ;;
2504                   darwin*|openbsd*|freebsd*)
2505                         sgen_supported=true
2506                         ;;
2507                 esac
2508                 ;;
2509         x86_64-*-* | amd64-*-*)
2510                 TARGET=AMD64;
2511                 arch_target=amd64;
2512                 JIT_SUPPORTED=yes
2513                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2514                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2515                         sizeof_register=8
2516                 fi
2517                 case $host_os in
2518                   linux*)
2519                         sgen_supported=true
2520                         AOT_SUPPORTED="yes"
2521                         ;;
2522                   darwin*|openbsd*|freebsd*)
2523                         sgen_supported=true
2524                         ;;
2525                 esac
2526                 case "$host" in
2527                         x86_64-*-nacl*)
2528                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2529                                 sizeof_register=8
2530                                 ;;
2531                 esac
2532                 ;;
2533         ia64-*-*)
2534                 TARGET=IA64
2535                 arch_target=ia64
2536                 ACCESS_UNALIGNED="no"
2537                 JIT_SUPPORTED=yes
2538                 LIBC="libc.so.6.1"
2539                 INTL="libc.so.6.1"
2540                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2541                 libmono_ldflags="-lunwind"
2542                 ;;
2543         sparc*-*-*)
2544                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2545                    TARGET=SPARC64
2546                 else
2547                         TARGET=SPARC
2548                 fi
2549                 arch_target=sparc;
2550                 JIT_SUPPORTED=yes
2551                 ACCESS_UNALIGNED="no"
2552                 case $host_os in
2553                   linux*) ;;
2554                   *)
2555                         LIBC="libc.so"
2556                         INTL="libintl.so"
2557                 esac
2558                 if test x"$GCC" = xyes; then
2559                         # We don't support v8 cpus
2560                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2561                 fi
2562                 if test x"$AR" = xfalse; then
2563                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2564                 fi
2565                 sgen_supported=true
2566                 ;;
2567         *-mingw*|*-*-cygwin*)
2568                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2569                 have_visibility_hidden=no
2570                 INTL="intl"
2571                 ;;
2572         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2573         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2574                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2575                         TARGET=POWERPC64;
2576                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2577                         CFLAGS="$CFLAGS -mminimal-toc"
2578                 else
2579                         TARGET=POWERPC;
2580                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2581                 fi
2582                 arch_target=ppc;
2583                 JIT_SUPPORTED=yes
2584                 case $host_os in
2585                   linux*|darwin*)
2586                         sgen_supported=true
2587                         ;;
2588                 esac
2589                 ;;
2590         arm*-darwin*)
2591                 TARGET=ARM;
2592                 arch_target=arm;
2593                 ACCESS_UNALIGNED="no"
2594                 JIT_SUPPORTED=yes
2595                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2596                 # libgc's gc_locks.h depends on this
2597             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2598                 sgen_supported=true
2599                 ;;
2600         arm*-linux*)
2601                 TARGET=ARM;
2602                 arch_target=arm;
2603                 ACCESS_UNALIGNED="no"
2604                 JIT_SUPPORTED=yes
2605                 sgen_supported=true
2606                 AOT_SUPPORTED="yes"
2607                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2608                 ;;
2609 # TODO: make proper support for NaCl host.
2610 #        arm*-*nacl)
2611 #               TARGET=ARM;
2612 #               arch_target=arm;
2613 #               ACCESS_UNALIGNED="no"
2614 #               JIT_SUPPORTED=yes
2615 #               sgen_supported=true
2616 #               AOT_SUPPORTED="no"
2617 #               ;;
2618         s390x-*-linux*)
2619                 TARGET=S390X;
2620                 arch_target=s390x;
2621                 ACCESS_UNALIGNED="yes"
2622                 JIT_SUPPORTED=yes
2623                 sgen_supported=true
2624                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2625                 ;;
2626 esac
2627
2628 HOST=$TARGET
2629
2630 if test "x$host" != "x$target"; then
2631    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2632    enable_mcs_build=no
2633    case "$target" in
2634    arm*-darwin*)
2635                 TARGET=ARM;
2636                 arch_target=arm;
2637                 ACCESS_UNALIGNED="no"
2638                 JIT_SUPPORTED=yes
2639                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2640                 jit_wanted=true
2641                 # Can't use tls, since it depends on the runtime detection of tls offsets
2642                 # in mono-compiler.h
2643                 with_tls=pthread
2644                 ;;
2645    powerpc64-ps3-linux-gnu)
2646                 TARGET=POWERPC64
2647                 arch_target=powerpc64
2648                 AC_DEFINE(TARGET_PS3, 1, [...])
2649                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2650                 # uses this define
2651                 AC_DEFINE(__mono_ppc64__, 1, [...])
2652                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2653                 sizeof_register=8
2654                 target_byte_order=G_BIG_ENDIAN
2655                 ;;
2656
2657    powerpc64-xbox360-linux-gnu)
2658                 TARGET=POWERPC64
2659                 arch_target=powerpc64
2660                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2661                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2662                 # uses this define
2663                 sizeof_register=8
2664                 target_byte_order=G_BIG_ENDIAN
2665                 ;;
2666    x86_64-*-nacl)
2667                 TARGET=AMD64
2668                 arch_target=amd64
2669                 AC_DEFINE(TARGET_AMD64, 1, [...])
2670                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2671                 sizeof_register=8
2672                 ;;
2673 # TODO: make proper support for NaCl target.
2674 #   arm*-*nacl)
2675 #               TARGET=ARM
2676 #               arch_target=arm
2677 #               AC_DEFINE(TARGET_ARM, 1, [...])
2678 #               ACCESS_UNALIGNED="no"
2679 #               JIT_SUPPORTED=yes
2680 #               sizeof_register=4
2681 #               CPPFLAGS="$CPPFLAGS \
2682 #                    -D__ARM_EABI__ \
2683 #                    -D__arm__ \
2684 #                    -D__portable_native_client__ \
2685 #                    -Dtimezone=_timezone \
2686 #                    -DDISABLE_SOCKETS \
2687 #                    -DDISABLE_ATTACH \
2688 #                    -DUSE_NEWLIB"
2689 #               jit_wanted=true
2690                 # Can't use tls, since it depends on the runtime detection of tls offsets
2691                 # in mono-compiler.h
2692 #               with_tls=pthread
2693 #               ;;
2694    i686-*-nacl)
2695                 TARGET=X86
2696                 arch_target=x86
2697                 AC_DEFINE(TARGET_X86, 1, [...])
2698                 sizeof_register=4
2699                 ;;
2700    arm*-linux-*)
2701                 TARGET=ARM;
2702                 arch_target=arm;
2703                 AC_DEFINE(TARGET_ARM, 1, [...])
2704                 ACCESS_UNALIGNED="no"
2705                 JIT_SUPPORTED=yes
2706                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2707                 jit_wanted=true
2708                 # Can't use tls, since it depends on the runtime detection of tls offsets
2709                 # in mono-compiler.h
2710                 with_tls=pthread
2711                 target_mach=no
2712                 case "$target" in
2713                 armv7l-unknown-linux-gnueabi*)
2714                         # TEGRA
2715                         CPPFLAGS="$CPPFLAGS"
2716                         ;;
2717                 armv5-*-linux-androideabi*)
2718                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2719                         CPPFLAGS="$CPPFLAGS"
2720                         ;;
2721                 esac
2722                 ;;
2723         *)
2724                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2725         esac
2726 fi
2727
2728 case "$TARGET" in
2729 X86)
2730         AC_DEFINE(TARGET_X86, 1, [...])
2731         ;;
2732 AMD64)
2733         AC_DEFINE(TARGET_AMD64, 1, [...])
2734         ;;
2735 ARM)
2736         AC_DEFINE(TARGET_ARM, 1, [...])
2737         ;;
2738 POWERPC)
2739         AC_DEFINE(TARGET_POWERPC, 1, [...])
2740         ;;
2741 POWERPC64)
2742         AC_DEFINE(TARGET_POWERPC, 1, [...])
2743         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2744         ;;
2745 S390X)
2746         AC_DEFINE(TARGET_S390X, 1, [...])
2747         ;;
2748 MIPS)
2749         AC_DEFINE(TARGET_MIPS, 1, [...])
2750         ;;
2751 IA64)
2752         AC_DEFINE(TARGET_IA64, 1, [...])
2753         ;;
2754 SPARC)
2755         AC_DEFINE(TARGET_SPARC, 1, [...])
2756         ;;
2757 SPARC64)
2758         AC_DEFINE(TARGET_SPARC64, 1, [...])
2759         ;;
2760 esac
2761
2762 dnl Use GCC atomic ops if they work on the target.
2763 if test x$GCC = "xyes"; then
2764         case $TARGET in
2765         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS)
2766                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2767                 ;;
2768         esac
2769 fi
2770
2771 if test "x$target_mach" = "xyes"; then
2772    if test "x$TARGET" = "xARM"; then
2773           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2774           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2775           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2776    else
2777        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2778        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2779        #error fail this for ios
2780        #endif
2781        return 0;
2782        ], [
2783                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2784           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2785           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2786        ], [
2787           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2788           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2789           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2790        ])
2791         fi
2792    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2793 fi
2794
2795 if test "x$sizeof_register" = "x4"; then
2796    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2797 elif test "x$sizeof_register" = "x8"; then
2798    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2799 else
2800    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2801 fi
2802
2803 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2804    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2805 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2806    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2807 else
2808    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2809 fi
2810
2811 if test "x$have_visibility_hidden" = "xyes"; then
2812    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2813 fi
2814
2815 if test "x$have_deprecated" = "xyes"; then
2816    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2817 fi
2818
2819 dnl 
2820 dnl Simple Generational checks (sgen)
2821 dnl
2822 if $sgen_supported; then
2823    build_sgen_default=yes
2824 else
2825    build_sgen_default=no
2826 fi
2827 SGEN_DEFINES=
2828 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2829 if test x$buildsgen = xyes; then
2830    if $sgen_supported; then
2831        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2832        gc_msg="sgen and $gc_msg"
2833    else
2834        buildsgen=no
2835        AC_MSG_WARN("Sgen is not supported on this platform")
2836    fi
2837 fi
2838 AC_SUBST(SGEN_DEFINES)
2839 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2840
2841 USEJIT=false
2842 if test x$JIT_SUPPORTED = xyes; then
2843    if $jit_wanted; then
2844       USEJIT=true
2845       jit_status="Building and using the JIT"
2846    else
2847       if $interp_wanted; then
2848          jit_status="Building the JIT, defaulting to the interpreter"
2849       else
2850          AC_ERROR(No JIT or interpreter support available or selected.)
2851       fi
2852    fi
2853 else
2854    if test x$interp_wanted = xtrue; then
2855       jit_status="interpreter"
2856    else
2857       AC_ERROR(No JIT or interpreter support available or selected.)
2858    fi
2859 fi
2860
2861 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2862
2863 libsuffix=".so"
2864
2865 case "$host" in
2866      *-*-darwin*)
2867         libsuffix=".dylib"
2868         LIBC="libc.dylib"
2869         INTL="libintl.dylib"
2870         SQLITE="libsqlite.0.dylib"
2871         SQLITE3="libsqlite3.0.dylib"
2872         X11="libX11.dylib"
2873         ;;
2874      *-*-*netbsd*)
2875         LIBC="libc.so.12"
2876         INTL="libintl.so.0"
2877         ;;
2878     *-*-*freebsd*)
2879         LIBC="libc.so"
2880         INTL="libintl.so"
2881         SQLITE="libsqlite.so"
2882         SQLITE3="libsqlite3.so"
2883         ;;
2884     *-*-*openbsd*)
2885         LIBC="libc.so"
2886         INTL="libintl.so"
2887         SQLITE="libsqlite.so"
2888         SQLITE3="libsqlite3.so"
2889         ;;
2890     *-*-*linux*)
2891         AC_PATH_X
2892         AC_MSG_CHECKING(for the soname of libX11.so)
2893         for i in $x_libraries /usr/lib /usr/lib64; do
2894                 for r in 4 5 6; do
2895                         if test -f $i/libX11.so.$r; then
2896                                 X11=libX11.so.$r
2897                                 AC_MSG_RESULT($X11)
2898                         fi
2899                 done
2900         done
2901         
2902         if test "x$X11" = "xlibX11.so"; then
2903                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2904                 X11=libX11.so.6
2905         fi
2906         ;;
2907 esac
2908
2909
2910 AC_SUBST(libsuffix)
2911
2912 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2913         if test "x$with_tls" = "x__thread"; then
2914                 #
2915                 # On some linux distributions, TLS works in executables, but linking 
2916                 # against a shared library containing TLS fails with:
2917                 # undefined reference to `__tls_get_addr'
2918                 #
2919                 rm -f conftest.c conftest.so conftest
2920                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2921                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2922                 $CC -o conftest conftest.so > /dev/null 2>&1
2923                 if test ! -f conftest; then
2924                    AC_MSG_WARN([Disabling usage of __thread.]);
2925                    with_tls=pthread
2926                 fi
2927                 rm -f conftest.c conftest.so conftest
2928         fi
2929 fi
2930
2931 mono_debugger_supported=no
2932 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2933 if test "x$try_mono_debugger" = "xyes"; then
2934         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2935                 if test x$use_included_gc = xyes; then
2936                         case "$host" in
2937                         *-*-*linux*)
2938                                 mono_debugger_supported=yes
2939                                 ;;
2940                         *86-apple-darwin*)
2941                                 mono_debugger_supported=yes
2942                                 ;;              
2943                         esac
2944                 fi
2945         fi
2946 fi
2947
2948 # disable the debugger entirely when building with moonlight
2949 if test "x$with_moonlight" != "xno"; then
2950         mono_debugger_supported=no
2951 fi
2952
2953 # mdb support for sgen is broken, disable it until further notice.
2954 mono_debugger_supported=no
2955
2956 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2957 if test "x$mono_debugger_supported" = "xyes"; then
2958         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2959         CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DMONO_DEBUGGER_SUPPORTED"
2960 fi
2961 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2962 AC_MSG_RESULT($mono_debugger_supported)
2963
2964 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2965 if test "x$icall_symbol_map" = "xyes"; then
2966    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2967 fi
2968
2969 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2970 if test "x$icall_export" = "xyes"; then
2971    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2972 fi
2973
2974 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2975 if test "x$icall_tables" = "xno"; then
2976    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2977 fi
2978
2979 if test "x$with_tls" = "x__thread"; then
2980         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2981         # Pass the information to libgc
2982         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2983         AC_MSG_CHECKING(if the tls_model attribute is supported)
2984         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2985                 ], [
2986                         AC_MSG_RESULT(yes)
2987                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
2988                 ], [
2989                         AC_MSG_RESULT(no)
2990         ])
2991 fi
2992
2993 if test ${TARGET} = ARM; then
2994         dnl ******************************************
2995         dnl *** Check to see what FPU is available ***
2996         dnl ******************************************
2997         AC_MSG_CHECKING(which FPU to use)
2998
2999         #
3000         # This is a bit tricky:
3001         #
3002         # if (__ARM_PCS_VFP) {
3003         #       /* mfloat-abi=hard == VFP with hard ABI */
3004         # } elif (!__SOFTFP__) {
3005         #       /* mfloat-abi=softfp == VFP with soft ABI */
3006         # } else {
3007         #       /* mfloat-abi=soft == no VFP */
3008         # }
3009         #
3010         # The exception is iOS (w/ GCC) where none of the above
3011         # are defined (but iOS always uses the 'softfp' ABI).
3012         #
3013         # No support for FPA.
3014         #
3015
3016         fpu=NONE
3017
3018         # iOS GCC always uses the 'softfp' ABI.
3019         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3020                 fpu=VFP
3021         fi
3022
3023         # Are we using the 'hard' ABI?
3024         if test x$fpu = xNONE; then
3025                 AC_TRY_COMPILE([], [
3026                         #ifndef __ARM_PCS_VFP
3027                         #error "Float ABI is not 'hard'"
3028                         #endif
3029                         return 0;
3030                 ], [
3031                         fpu=VFP_HARD
3032                 ], [
3033                         fpu=NONE
3034                 ])
3035         fi
3036
3037         # No 'hard' ABI. 'soft' or 'softfp'?
3038         if test x$fpu = xNONE; then
3039                 AC_TRY_COMPILE([], [
3040                         #ifdef __SOFTFP__
3041                         #error "Float ABI is not 'softfp'"
3042                         #endif
3043                         return 0;
3044                 ], [
3045                         fpu=VFP
3046                 ], [
3047                         fpu=NONE
3048                 ])
3049         fi
3050
3051         AC_MSG_RESULT($fpu)
3052         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3053         unset fpu
3054
3055         dnl *********************************************
3056         dnl *** Check which ARM version(s) we can use ***
3057         dnl *********************************************
3058         AC_MSG_CHECKING(which ARM version to use)
3059
3060         AC_TRY_COMPILE([], [
3061                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3062                 #error Not on ARM v5.
3063                 #endif
3064                 return 0;
3065         ], [
3066                 arm_v5=yes
3067         ], [])
3068
3069         AC_TRY_COMPILE([], [
3070                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3071                 #error Not on ARM v6.
3072                 #endif
3073                 return 0;
3074         ], [
3075                 arm_v5=yes
3076                 arm_v6=yes
3077         ], [])
3078
3079         AC_TRY_COMPILE([], [
3080                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3081                 #error Not on ARM v7.
3082                 #endif
3083                 return 0;
3084         ], [
3085                 arm_v5=yes
3086                 arm_v6=yes
3087                 arm_v7=yes
3088         ], [])
3089
3090         if test x$arm_v5 = xyes; then
3091                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3092                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3093         fi
3094
3095         if test x$arm_v6 = xyes; then
3096                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3097                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3098         fi
3099
3100         if test x$arm_v7 = xyes; then
3101                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3102                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3103         fi
3104 fi
3105
3106 if test ${TARGET} = ARM; then
3107         if test "x${with_jumptables}" = "xyes"; then
3108                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3109         fi
3110 fi
3111
3112 if test ${TARGET} = unknown; then
3113         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3114         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3115 fi
3116
3117 if test ${ACCESS_UNALIGNED} = no; then
3118         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3119 fi
3120
3121 case "x$gc" in
3122         xincluded)
3123                 # Pass CPPFLAGS to libgc configure
3124                 # We should use a separate variable for this to avoid passing useless and
3125                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3126                 # This should be executed late so we pick up the final version of CPPFLAGS
3127                 # The problem with this approach, is that during a reconfigure, the main
3128                 # configure scripts gets invoked with these arguments, so we use separate
3129                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3130                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3131                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3132                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3133                 fi
3134                 # Don't pass -finstrument-for-thread-suspension in, 
3135                 # if these are instrumented it will be very bad news 
3136                 # (infinite recursion, undefined parking behavior, etc)
3137                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3138                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3139                 AC_CONFIG_SUBDIRS(libgc)
3140                 ;;
3141 esac
3142
3143 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3144 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3145 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3146 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3147 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3148 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3149
3150 OPROFILE=no
3151 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3152         if test x$with_oprofile != xno; then
3153             oprofile_include=$with_oprofile/include
3154             if test ! -f $oprofile_include/opagent.h; then
3155                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3156                 fi
3157             OPROFILE=yes
3158                 OPROFILE_CFLAGS="-I$oprofile_include"
3159             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3160             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3161         fi
3162 ])
3163
3164 MALLOC_MEMPOOLS=no
3165 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3166         if test x$with_malloc_mempools = xyes; then
3167                 MALLOC_MEMPOOLS=yes
3168                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3169         fi
3170 ])
3171
3172
3173 DISABLE_MCS_DOCS=no
3174 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3175         if test x$with_mcs_docs != xyes; then
3176                 DISABLE_MCS_DOCS=yes
3177         fi
3178 ])
3179 if test x$with_profile4 != xyes; then
3180         DISABLE_MCS_DOCS=yes
3181 fi
3182
3183 MOONLIGHT_DEFINES=
3184 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3185         if test x$with_moonlight != xno; then
3186         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3187         fi
3188 ], [with_moonlight=no])
3189 AC_SUBST(MOONLIGHT_DEFINES)
3190
3191 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3192         if test "x$with_moon_gc" != "xsgen"; then
3193                 with_moon_gc=boehm
3194         fi
3195 ], [with_moon_gc=boehm])
3196
3197 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)],[
3198         if test x$with_lazy_gc_thread_creation != xno ; then
3199                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3200         fi
3201 ], [with_lazy_gc_thread_creation=no])
3202
3203 AC_CHECK_HEADER([malloc.h], 
3204                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3205                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3206
3207 if test x"$GCC" = xyes; then
3208         # Implicit function declarations are not 64 bit safe
3209         # Do this late, since this causes lots of configure tests to fail
3210         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3211         # jay has a lot of implicit declarations
3212         JAY_CFLAGS="-Wno-implicit-function-declaration"
3213 fi
3214
3215 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3216 # instead of libmono-static.a
3217 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3218    LIBMONO_LA=libmini-static.la
3219 else
3220    LIBMONO_LA=libmonosgen-$API_VER.la
3221 fi
3222 AC_SUBST(LIBMONO_LA)
3223
3224 dnl
3225 dnl Consistency settings
3226 dnl
3227 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3228    DISABLE_MCS_DOCS=yes
3229    with_profile2=no
3230    with_profile4=no
3231    with_profile4_5=no
3232    with_monodroid=no
3233    with_monotouch=no
3234 fi
3235
3236 if test x$DISABLE_MCS_DOCS = xyes; then
3237    docs_dir=""
3238 else
3239    docs_dir=docs
3240 fi
3241 AC_SUBST(docs_dir)
3242
3243 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3244 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3245
3246 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3247 AC_SUBST(OPROFILE_CFLAGS)
3248 AC_SUBST(OPROFILE_LIBS)
3249
3250 libmono_ldflags="$libmono_ldflags $LIBS"
3251
3252 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3253
3254 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3255 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3256 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3257
3258 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3259 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3260 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3261 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3262 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3263 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3264 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3265
3266 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3267 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3268 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3269 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3270 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3271 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3272 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3273 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3274 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3275 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3276 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3277 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3278 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3279 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3280 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3281 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3282
3283 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3284 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3285 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3286
3287 AC_SUBST(LIBC)
3288 AC_SUBST(INTL)
3289 AC_SUBST(SQLITE)
3290 AC_SUBST(SQLITE3)
3291 AC_SUBST(X11)
3292 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3293 AC_SUBST(arch_target)
3294 AC_SUBST(CFLAGS)
3295 AC_SUBST(CPPFLAGS)
3296 AC_SUBST(LDFLAGS)
3297
3298 mono_build_root=`pwd`
3299 AC_SUBST(mono_build_root)
3300
3301 if test x$USEJIT = xtrue; then
3302   mono_runtime=mono/mini/mono
3303 else
3304   mono_runtime=mono/interpreter/mint
3305 fi
3306 AC_SUBST(mono_runtime)
3307
3308 mono_cfg_root=$mono_build_root/runtime
3309 if test x$host_win32 = xyes; then
3310   if test "x$cross_compiling" = "xno"; then
3311     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3312   else
3313     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3314   fi
3315 else
3316   mono_cfg_dir=$mono_cfg_root/etc
3317 fi
3318 AC_SUBST(mono_cfg_dir)
3319
3320 AC_CONFIG_FILES([po/mcs/Makefile.in])
3321
3322 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3323 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3324
3325 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3326 [   depth=../../../..
3327     case $srcdir in
3328     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3329     .) reldir=$depth ;;
3330     *) reldir=$depth/$srcdir ;;
3331     esac
3332     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3333     cd runtime/etc/mono/1.0
3334     rm -f machine.config
3335     $LN_S $reldir/data/net_1_1/machine.config machine.config
3336     cd $depth
3337 ],[LN_S='$LN_S'])
3338
3339 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3340 [   depth=../../../..
3341     case $srcdir in
3342     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3343     .) reldir=$depth ;;
3344     *) reldir=$depth/$srcdir ;;
3345     esac
3346     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3347     cd runtime/etc/mono/2.0
3348     rm -f machine.config
3349     $LN_S $reldir/data/net_2_0/machine.config machine.config
3350     cd $depth
3351 ],[LN_S='$LN_S'])
3352
3353 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3354 [   depth=../../../..
3355     case $srcdir in
3356     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3357     .) reldir=$depth ;;
3358     *) reldir=$depth/$srcdir ;;
3359     esac
3360     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3361     cd runtime/etc/mono/2.0
3362     rm -f web.config
3363     $LN_S $reldir/data/net_2_0/web.config web.config
3364     cd $depth
3365 ],[LN_S='$LN_S'])
3366
3367 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3368 [   depth=../../..
3369     case $srcdir in
3370     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3371     .) reldir=$depth ;;
3372     *) reldir=$depth/$srcdir ;;
3373     esac
3374     $ac_aux_dir/install-sh -d runtime/etc/mono/
3375     cd runtime/etc/mono/
3376     rm -f browscap.ini
3377     $LN_S $reldir/data/browscap.ini browscap.ini
3378     cd $depth
3379 ],[LN_S='$LN_S'])
3380
3381 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3382 [   depth=../../../../..
3383     case $srcdir in
3384     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3385     .) reldir=$depth ;;
3386     *) reldir=$depth/$srcdir ;;
3387     esac
3388     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3389     cd runtime/etc/mono/2.0/Browsers
3390     rm -f Compat.browser
3391     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3392     cd $depth
3393 ],[LN_S='$LN_S'])
3394
3395 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3396 [   depth=../../../..
3397     case $srcdir in
3398     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3399     .) reldir=$depth ;;
3400     *) reldir=$depth/$srcdir ;;
3401     esac
3402     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3403     cd runtime/etc/mono/4.0
3404     rm -f machine.config
3405     $LN_S $reldir/data/net_4_0/machine.config machine.config
3406     cd $depth
3407 ],[LN_S='$LN_S'])
3408
3409 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3410 [   depth=../../../..
3411     case $srcdir in
3412     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3413     .) reldir=$depth ;;
3414     *) reldir=$depth/$srcdir ;;
3415     esac
3416     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3417     cd runtime/etc/mono/4.0
3418     rm -f web.config
3419     $LN_S $reldir/data/net_4_0/web.config web.config
3420     cd $depth
3421 ],[LN_S='$LN_S'])
3422
3423 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3424 [   depth=../../../..
3425     case $srcdir in
3426     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3427     .) reldir=$depth ;;
3428     *) reldir=$depth/$srcdir ;;
3429     esac
3430     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3431     cd runtime/etc/mono/4.5
3432     rm -f machine.config
3433     $LN_S $reldir/data/net_4_5/machine.config machine.config
3434     cd $depth
3435 ],[LN_S='$LN_S'])
3436
3437 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3438 [   depth=../../../..
3439     case $srcdir in
3440     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3441     .) reldir=$depth ;;
3442     *) reldir=$depth/$srcdir ;;
3443     esac
3444     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3445     cd runtime/etc/mono/4.5
3446     rm -f web.config
3447     $LN_S $reldir/data/net_4_5/web.config web.config
3448     cd $depth
3449 ],[LN_S='$LN_S'])
3450
3451 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])
3452
3453 AC_OUTPUT([
3454 Makefile
3455 mono-core.spec
3456 mono-uninstalled.pc
3457 scripts/mono-find-provides
3458 scripts/mono-find-requires
3459 mono/Makefile
3460 mono/utils/Makefile
3461 mono/metadata/Makefile
3462 mono/dis/Makefile
3463 mono/cil/Makefile
3464 mono/arch/Makefile
3465 mono/arch/x86/Makefile
3466 mono/arch/amd64/Makefile
3467 mono/arch/ppc/Makefile
3468 mono/arch/sparc/Makefile
3469 mono/arch/s390x/Makefile
3470 mono/arch/arm/Makefile
3471 mono/arch/ia64/Makefile
3472 mono/arch/mips/Makefile
3473 mono/interpreter/Makefile
3474 mono/tests/Makefile
3475 mono/tests/tests-config
3476 mono/tests/assemblyresolve/Makefile
3477 mono/tests/cas/Makefile
3478 mono/tests/cas/assembly/Makefile
3479 mono/tests/cas/demand/Makefile
3480 mono/tests/cas/inheritance/Makefile
3481 mono/tests/cas/linkdemand/Makefile
3482 mono/tests/cas/threads/Makefile
3483 mono/tests/gc-descriptors/Makefile
3484 mono/benchmark/Makefile
3485 mono/monograph/Makefile
3486 mono/io-layer/Makefile
3487 mono/mini/Makefile
3488 mono/profiler/Makefile
3489 m4/Makefile
3490 ikvm-native/Makefile
3491 scripts/Makefile
3492 man/Makefile
3493 docs/Makefile
3494 data/Makefile
3495 data/net_2_0/Makefile
3496 data/net_4_0/Makefile
3497 data/net_4_5/Makefile
3498 data/net_2_0/Browsers/Makefile
3499 data/mint.pc
3500 data/mono-2.pc
3501 data/monosgen-2.pc
3502 data/mono.pc
3503 data/mono-cairo.pc
3504 data/mono-nunit.pc
3505 data/mono-options.pc
3506 data/mono-lineeditor.pc
3507 data/monodoc.pc
3508 data/mono.web.pc
3509 data/dotnet.pc
3510 data/dotnet35.pc
3511 data/wcf.pc
3512 data/cecil.pc
3513 data/system.web.extensions_1.0.pc
3514 data/system.web.extensions.design_1.0.pc
3515 data/system.web.mvc.pc
3516 data/system.web.mvc2.pc
3517 data/system.web.mvc3.pc
3518 data/aspnetwebstack.pc
3519 data/reactive.pc
3520 samples/Makefile
3521 support/Makefile
3522 data/config
3523 tools/Makefile
3524 tools/locale-builder/Makefile
3525 tools/sgen/Makefile
3526 runtime/Makefile
3527 msvc/Makefile
3528 po/Makefile
3529 ])
3530
3531 # Update all submodules recursively to ensure everything is checked out
3532 $srcdir/scripts/update_submodules
3533
3534 if test x$host_win32 = xyes; then
3535    # Get rid of 'cyg' prefixes in library names
3536    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3537    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3538    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3539    # executable doesn't work...
3540    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3541 fi
3542
3543 if test x$platform_darwin = xyes; then
3544    # This doesn't seem to be required and it slows down parallel builds
3545    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3546 fi
3547
3548 (
3549   case $prefix in
3550   NONE) prefix=$ac_default_prefix ;;
3551   esac
3552   case $exec_prefix in
3553   NONE) exec_prefix='${prefix}' ;;
3554   esac
3555
3556   #
3557   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3558   # any existing config.make.  This allows people to share the same source tree
3559   # with different build directories, one native and one cross
3560   #
3561   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3562
3563     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3564
3565     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3566     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3567     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3568     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3569     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3570     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3571     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3572     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3573
3574     case $INSTALL in
3575     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3576     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3577     esac
3578
3579     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3580
3581     export VERSION
3582     [myver=$($AWK 'BEGIN {
3583       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3584       if(length(vsplit [1]) > 4) {
3585         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3586       }
3587       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3588     }')]
3589
3590     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3591
3592     if test x$platform_darwin = xyes; then
3593       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3594     fi
3595
3596         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3597            enable_system_aot=yes
3598         fi
3599
3600         if test "x$enable_loadedllvm" = "xyes"; then
3601            # This seems to fail on the x86 buildbots
3602            enable_system_aot=no
3603         fi
3604
3605     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3606       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3607     fi
3608
3609     if test x$DISABLE_MCS_DOCS = xyes; then
3610       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3611     fi
3612
3613     if test x$with_moonlight != xno; then
3614       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3615     fi
3616
3617     if test x$has_extension_module != xno; then
3618         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3619     fi
3620
3621         default_profile=net_2_0
3622     if test -z "$INSTALL_4_0_TRUE"; then :
3623                 default_profile=net_4_0
3624     fi
3625     if test -z "$INSTALL_MONODROID_TRUE"; then :
3626                 default_profile=monodroid
3627     fi
3628     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3629                 default_profile=monotouch
3630     fi
3631     if test -z "$INSTALL_4_5_TRUE"; then :
3632                 default_profile=net_4_5
3633     fi
3634     
3635     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3636     
3637     if test "x$test_bcl_opt" = "xyes"; then    
3638       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3639     fi
3640
3641   fi
3642
3643   # if we have an olive folder, override the default settings
3644   if test -d $olivedir; then
3645
3646     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3647
3648       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3649
3650       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3651       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3652       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3653       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3654       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3655       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3656     fi
3657   fi
3658
3659 )
3660
3661 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3662
3663 echo "
3664         mcs source:    $mcsdir
3665
3666    Engine:
3667         GC:            $gc_msg 
3668         TLS:           $with_tls
3669         SIGALTSTACK:   $with_sigaltstack
3670         Engine:        $jit_status
3671         oprofile:      $OPROFILE
3672         BigArrays:     $enable_big_arrays
3673         DTrace:        $enable_dtrace
3674         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3675
3676    Libraries:
3677         .NET 2.0/3.5:  $with_profile2
3678         .NET 4.0:      $with_profile4
3679         .NET 4.5:      $with_profile4_5
3680         MonoDroid:     $with_monodroid
3681         MonoTouch:     $with_monotouch
3682         JNI support:   $jdk_headers_found
3683         libgdiplus:    $libgdiplus_msg
3684         zlib:          $zlib_msg
3685         $disabled
3686 "
3687 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3688    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3689 fi