[arm64] Add basic port infrastructure.
[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, [3.4.1],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 #
63 # These are the flags that need to be stored in the mono.pc file for 
64 # compiling code that will embed Mono
65 #
66 libmono_cflags=""
67 libmono_ldflags=""
68 AC_SUBST(libmono_cflags)
69 AC_SUBST(libmono_ldflags)
70
71 # Variable to have relocatable .pc files (lib, or lib64)
72 reloc_libdir=`basename ${libdir}`
73 AC_SUBST(reloc_libdir)
74
75 dnl if linker handles the version script
76 no_version_script=no
77
78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
79 need_link_unlink=no
80
81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
82 extra_runtime_ldflags=""
83
84 # Thread configuration inspired by sleepycat's db
85 AC_MSG_CHECKING([host platform characteristics])
86 libgc_threads=no
87 has_dtrace=no
88 parallel_mark=yes
89 ikvm_native=yes
90
91 case "$host" in
92         powerpc*-*-linux*)
93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
94                 disable_munmap=yes
95         ;;
96 esac
97
98 host_win32=no
99 target_win32=no
100 platform_android=no
101 platform_darwin=no
102 case "$host" in
103         *-mingw*|*-*-cygwin*)
104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
107                 host_win32=yes
108                 mono_cv_clang=no
109                 if test "x$cross_compiling" = "xno"; then
110                         target_win32=yes
111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
113                         fi
114                 else
115                         target_win32=yes
116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
118                 fi
119                 HOST_CC="gcc"
120                 # Windows 2000 is required that includes Internet Explorer 5.01
121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
123                 libmono_cflags="-mms-bitfields -mwindows"
124                 libmono_ldflags="-mms-bitfields -mwindows"
125                 libdl=
126                 libgc_threads=win32
127                 gc_default=included
128                 with_sigaltstack=no
129                 LN_S=cp
130                 # This forces libgc to use the DllMain based thread registration code on win32
131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
132                 ;;
133         *-*-*netbsd*)
134                 host_win32=no
135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
136                 libmono_cflags="-D_REENTRANT"
137                 LDFLAGS="$LDFLAGS -pthread"
138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
139                 libmono_ldflags="-pthread"
140                 need_link_unlink=yes
141                 libdl="-ldl"
142                 libgc_threads=pthreads
143                 with_sigaltstack=no
144                 use_sigposix=yes
145                 ;;
146         *-*-*freebsd*)
147                 host_win32=no
148                 if test "x$PTHREAD_CFLAGS" = "x"; then
149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
150                         libmono_cflags=
151                 else
152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags="$PTHREAD_CFLAGS"
154                 fi
155                 if test "x$PTHREAD_LIBS" = "x"; then
156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
157                         libmono_ldflags="-pthread"
158                 else
159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
160                         libmono_ldflags="$PTHREAD_LIBS"
161                 fi
162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
163                 need_link_unlink=yes
164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
165                 libdl=
166                 libgc_threads=pthreads
167                 use_sigposix=yes
168                 has_dtrace=yes
169                 ;;
170         *-*-*openbsd*)
171                 host_win32=no
172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
173                 if test "x$disable_munmap" != "xyes"; then
174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
175                 fi
176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
177                 LDFLAGS="$LDFLAGS -pthread"
178                 need_link_unlink=yes
179                 AC_DEFINE(PTHREAD_POINTER_ID)
180                 libdl=
181                 gc_default=boehm
182                 libgc_threads=pthreads
183                 with_sigaltstack=no
184                 use_sigposix=yes
185                 ;;
186         *-*-linux-android*)
187                 host_win32=no
188                 platform_android=yes
189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
191
192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
193                 if test "x$disable_munmap" != "xyes"; then
194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
195                 fi
196                 libmono_cflags="-D_REENTRANT"
197                 libdl="-ldl"
198                 libgc_threads=pthreads
199                 use_sigposix=yes
200
201                 with_tls=pthread
202                 with_sigaltstack=no
203                 with_static_mono=no
204
205                 # Android doesn't support boehm, as it's missing <link.h>
206                 support_boehm=no
207                 with_gc=sgen
208
209                 # isinf(3) requires -lm; see isinf check below
210                 LDFLAGS="$LDFLAGS -lm"
211
212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
217
218                 # The configure check can't detect this
219                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
220
221                 # to bypass the underscore linker check, can't work when cross-compiling
222                 mono_cv_uscore=yes
223                 mono_cv_clang=no
224                 ;;
225         *-*-linux*)
226                 host_win32=no
227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
228                 if test "x$disable_munmap" != "xyes"; then
229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
230                 fi
231                 libmono_cflags="-D_REENTRANT"
232                 libdl="-ldl"
233                 libgc_threads=pthreads
234                 use_sigposix=yes
235                 if test "x$cross_compiling" != "xno"; then
236                         # to bypass the underscore linker check, not
237                         # available during cross-compilation
238                         mono_cv_uscore=no
239                 fi
240                 case "$host" in
241                 aarch64-*)
242                         support_boehm=no
243                         with_gc=sgen
244                         ;;
245                 esac
246                 ;;
247         *-*-nacl*)
248                 host_win32=no
249                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
250                 if test "x$disable_munmap" != "xyes"; then
251                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
252                 fi
253                 libmono_cflags="-D_REENTRANT"
254                 libdl=
255                 libgc_threads=pthreads
256                 gc_default=boehm
257                 use_sigposix=yes
258                 ikvm_native=no
259                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
260                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
261                 ;;
262         *-*-hpux*)
263                 host_win32=no
264                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
265                 # +ESdbgasm only valid on bundled cc on RISC
266                 # silently ignored for ia64
267                 if test $GCC != "yes"; then
268                         CFLAGS="$CFLAGS +ESdbgasm"
269                         # Arrange for run-time dereferencing of null
270                         # pointers to produce a SIGSEGV signal.
271                         LDFLAGS="$LDFLAGS -z"
272                 fi
273                 CFLAGS="$CFLAGS +ESdbgasm"
274                 LDFLAGS="$LDFLAGS -z"
275                 libmono_cflags="-D_REENTRANT"
276                 libmono_ldflags="-lpthread"
277                 libgc_threads=pthreads
278                 need_link_unlink=yes
279                 use_sigposix=yes
280                 ;;
281         *-*-solaris*)
282                 host_win32=no
283                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
284                 need_link_unlink=yes
285                 libmono_cflags="-D_REENTRANT"
286                 libgc_threads=pthreads
287                 # This doesn't seem to work on solaris/x86, but the configure test runs
288                 with_tls=pthread
289                 has_dtrace=yes
290                 use_sigposix=yes
291                 enable_solaris_tar_check=yes
292                 ;;
293         *-*-darwin*)
294                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
295                 host_win32=no
296                 platform_darwin=yes
297                 target_mach=yes
298                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
299                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
300                 libmono_cflags="-D_THREAD_SAFE"
301                 need_link_unlink=yes
302                 AC_DEFINE(PTHREAD_POINTER_ID)
303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
304                 no_version_script=yes
305                 libdl=
306                 libgc_threads=pthreads
307                 has_dtrace=yes
308                 if test "x$cross_compiling" = "xyes"; then
309                         has_broken_apple_cpp=yes
310                 fi
311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
314                 case "$host" in
315                         dnl Snow Leopard and newer config.guess reports as this
316                         i*86-*-darwin*)
317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
318                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
319                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
320                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
321                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
322                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
323                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
324                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
325                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
326                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
327                                 ;;
328                         x*64-*-darwin*)
329                                 ;;
330                         arm*-darwin*)
331                                 has_dtrace=no
332                                 ;;                      
333                 esac
334                 ;;
335         *-*-haiku*)
336                 host_win32=no
337                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
338                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
339                 libdl=
340                 LIBS="$LIBS -lnetwork"
341                 need_link_unlink=yes
342                 AC_DEFINE(PTHREAD_POINTER_ID)
343                 libgc_threads=pthreads
344                 use_sigposix=yes
345                 ;;
346         *)
347                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
348                 host_win32=no
349                 libdl="-ldl"
350                 ;;
351 esac
352 AC_MSG_RESULT(ok)
353
354 if test x$need_link_unlink = xyes; then
355    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
356 fi
357
358 AC_SUBST(extra_runtime_ldflags)
359 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
360 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
361 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
362 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
363 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
364 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
365
366 AC_CHECK_TOOL(CC, gcc, gcc)
367 AC_PROG_CC
368 AC_CHECK_TOOL(CXX, g++, g++)
369 AC_PROG_CXX
370 AM_PROG_AS
371 AC_PROG_INSTALL
372 AC_PROG_AWK
373 AM_PROG_CC_C_O
374 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
375 : ${CCAS='$(CC)'}
376 # Set ASFLAGS if not already set.
377 : ${CCASFLAGS='$(CFLAGS)'}
378 AC_SUBST(CCAS)
379 AC_SUBST(CCASFLAGS)
380
381 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
382 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
383 if test "x$CXX" = "xg++"; then
384         if test "x$GXX" != "xyes"; then
385                 # automake/libtool is so broken, it requires g++ even if the c++ sources
386                 # are inside automake conditionals
387                 AC_MSG_ERROR([You need to install g++])
388         fi
389 fi
390
391 dnl may require a specific autoconf version
392 dnl AC_PROG_CC_FOR_BUILD
393 dnl CC_FOR_BUILD not automatically detected
394 CC_FOR_BUILD=$CC
395 CFLAGS_FOR_BUILD=$CFLAGS
396 BUILD_EXEEXT=
397 if test "x$cross_compiling" = "xyes"; then
398         CC_FOR_BUILD=cc
399         CFLAGS_FOR_BUILD=
400         BUILD_EXEEXT=""
401 fi
402 AC_SUBST(CC_FOR_BUILD)
403 AC_SUBST(CFLAGS_FOR_BUILD)
404 AC_SUBST(HOST_CC)
405 AC_SUBST(BUILD_EXEEXT)
406
407 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
408 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
409
410 # Set STDC_HEADERS
411 AC_HEADER_STDC
412 AC_LIBTOOL_WIN32_DLL
413 # This causes monodis to not link correctly
414 #AC_DISABLE_FAST_INSTALL
415 AM_PROG_LIBTOOL
416 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
417 DOLT
418
419 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
420 AC_SUBST(export_ldflags)
421
422 # Test whenever ld supports -version-script
423 AC_PROG_LD
424 AC_PROG_LD_GNU
425 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
426    no_version_script=yes
427 fi
428
429 AM_ICONV()
430
431 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
432
433 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)
434 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)
435 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
436                   [], [], [#include <stddef.h>
437                   #include <sys/socket.h>
438                   #include <linux/socket.h>])
439
440 AC_CHECK_HEADERS(sys/user.h, [], [],
441 [
442 #ifdef HAVE_SYS_PARAM_H
443 # include <sys/param.h>
444 #endif
445 ])
446
447 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
448 if test x$have_zlib = xyes; then
449    AC_TRY_COMPILE([#include <zlib.h>], [
450    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
451    return 0;
452    #else
453    #error No good zlib found
454    #endif
455    ],[
456         AC_MSG_RESULT(Using system zlib)
457         zlib_msg="system zlib"
458         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
459    ],[
460         AC_MSG_RESULT(Using embedded zlib)
461         have_zlib=no
462         zlib_msg="bundled zlib"
463    ])
464 fi
465
466 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
467 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
468
469 # for mono/metadata/debug-symfile.c
470 AC_CHECK_HEADERS(elf.h)
471
472 # for support
473 AC_CHECK_HEADERS(poll.h)
474 AC_CHECK_HEADERS(sys/poll.h)
475 AC_CHECK_HEADERS(sys/wait.h)
476 AC_CHECK_HEADERS(grp.h)
477 AC_CHECK_HEADERS(syslog.h)
478
479 # for mono/dis
480 AC_CHECK_HEADERS(wchar.h)
481 AC_CHECK_HEADERS(ieeefp.h)
482 AC_MSG_CHECKING(for isinf)
483 AC_TRY_LINK([#include <math.h>], [
484         int f = isinf (1);
485 ], [
486         AC_MSG_RESULT(yes)
487         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
488 ], [
489         # We'll have to use signals
490         AC_MSG_RESULT(no)
491 ])
492 # mingw
493 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
494         AC_TRY_LINK([#include <math.h>], 
495         [ _finite(0.0); ], 
496         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
497         AC_MSG_RESULT(no)))
498
499 # for Linux statfs support
500 AC_CHECK_HEADERS(linux/magic.h)
501
502 # not 64 bit clean in cross-compile
503 AC_CHECK_SIZEOF(void *, 4)
504
505 AC_CACHE_CHECK([for clang],
506         mono_cv_clang,[
507         AC_TRY_COMPILE([], [
508                 #ifdef __clang__
509                 #else
510                 #error "FAILED"
511                 #endif
512                 return 0;
513         ],
514         [mono_cv_clang=yes],
515         [mono_cv_clang=no],
516         [])
517 ])
518
519 WARN=''
520 if test x"$GCC" = xyes; then
521         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
522                 # The runtime code does not respect ANSI C strict aliasing rules
523                 CFLAGS="$CFLAGS -fno-strict-aliasing"
524
525                 # We rely on signed overflow to behave
526                 CFLAGS="$CFLAGS -fwrapv"
527
528                 ORIG_CFLAGS=$CFLAGS
529                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
530                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
531                 AC_TRY_COMPILE([],[
532                                 return 0;
533                 ], [
534                    AC_MSG_RESULT(yes)
535                 ], [
536                    AC_MSG_RESULT(no)
537                    CFLAGS=$ORIG_CFLAGS
538                 ])
539
540                 ORIG_CFLAGS=$CFLAGS
541                 # Check for the normal version, since gcc ignores unknown -Wno options
542                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
543                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
544                 AC_TRY_COMPILE([],[
545                                 return 0;
546                 ], [
547                    AC_MSG_RESULT(yes)
548                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
549                 ], [
550                    AC_MSG_RESULT(no)
551                    CFLAGS=$ORIG_CFLAGS
552                 ])
553
554                 if test "x$mono_cv_clang" = "xyes"; then
555                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
556                    WARN="$WARN -Qunused-arguments"
557                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
558                 fi
559 else
560         # The Sun Forte compiler complains about inline functions that access static variables
561         # so disable all inlining.
562         case "$host" in
563         *-*-solaris*)
564                 CFLAGS="$CFLAGS -Dinline="
565                 ;;
566         esac
567 fi
568 CFLAGS="$CFLAGS -g $WARN"
569 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
570
571 # Where's the 'mcs' source tree?
572 if test -d $srcdir/mcs; then
573   mcsdir=mcs
574 else
575   mcsdir=../mcs
576 fi
577
578 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
579         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
580                 mcsdir=$with_mcs_path
581         fi
582 )
583
584 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
585
586 #
587 # A sanity check to catch cases where the package was unpacked
588 # with an ancient tar program (Solaris)
589 #
590 AC_ARG_ENABLE(solaris-tar-check,
591 [  --disable-solaris-tar-check    disable solaris tar check],
592    do_solaris_tar_check=no, do_solaris_tar_check=yes)
593
594 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
595         AC_MSG_CHECKING(integrity of package)
596         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
597         then
598                 AC_MSG_RESULT(ok)
599         else
600                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
601                 AC_MSG_ERROR([$errorm])
602         fi
603 fi
604
605 if test "x$with_mcs_path" != "x"; then
606 mcs_topdir=$(cd "$mcsdir" && pwd)
607 mcs_topdir_from_srcdir=$mcs_topdir
608 else
609 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
610 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
611 fi
612
613 # Convert mcs_topdir* paths to Windows syntax.
614 if test x$cross_compiling$host_win32 = xnoyes; then
615   mcs_topdir=$(cygpath -m $mcs_topdir)
616   case $mcs_topdir_from_srcdir in
617     /cygdrive/*)
618         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
619         ;;
620   esac
621 fi
622
623 AC_SUBST([mcs_topdir])
624 AC_SUBST([mcs_topdir_from_srcdir])
625
626 # Where's the 'olive' source tree?
627 if test -d $srcdir/olive; then
628   olivedir=olive
629 else
630   olivedir=../olive
631 fi
632
633 if test -d $srcdir/$olivedir; then
634 olive_topdir='$(top_srcdir)/'$olivedir
635 fi
636
637 # gettext: prepare the translation directories. 
638 # we do not configure the full gettext, as we consume it dynamically from C#
639 AM_PO_SUBDIRS
640
641 if test "x$USE_NLS" = "xyes"; then
642    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
643
644    if test "x$HAVE_MSGFMT" = "xno"; then
645           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
646    fi
647 fi
648
649 AC_ARG_WITH([libgdiplus], 
650         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
651         [], [with_libgdiplus=installed])
652
653 case $with_libgdiplus in
654 no|installed) libgdiplus_loc= ;;
655 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
656 /*) libgdiplus_loc=$with_libgdiplus ;;
657 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
658 esac
659 AC_SUBST([libgdiplus_loc])
660
661 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
662
663 pkg_config_path=
664 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
665         if test x$with_crosspkgdir = "x"; then
666                 if test -s $PKG_CONFIG_PATH; then
667                         pkg_config_path=$PKG_CONFIG_PATH
668                 fi
669         else
670                 pkg_config_path=$with_crosspkgdir
671                 PKG_CONFIG_PATH=$pkg_config_path
672                 export PKG_CONFIG_PATH
673         fi
674 )
675
676 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
677 AC_CONFIG_SUBDIRS(eglib)
678
679 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
680 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
681 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
682 BUILD_GLIB_LIBS="$GLIB_LIBS"
683 GMODULE_CFLAGS="$GLIB_CFLAGS"
684 GMODULE_LIBS="$GLIB_LIBS"
685   
686 AC_SUBST(GLIB_CFLAGS)
687 AC_SUBST(GLIB_LIBS)
688 AC_SUBST(GMODULE_CFLAGS)
689 AC_SUBST(GMODULE_LIBS)
690 AC_SUBST(BUILD_GLIB_CFLAGS)
691 AC_SUBST(BUILD_GLIB_LIBS)
692
693 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
694
695 # Enable support for fast thread-local storage
696 # Some systems have broken support, so we allow to disable it.
697 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
698
699 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
700 # This does not work on some platforms (bug #55253)
701 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
702
703 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
704 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
705 # Same as --with-shared_mono=no
706 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
707
708 if test "x$enable_static" = "xno"; then
709    with_static_mono=no
710 fi
711
712 if test "x$enable_shared" = "xno"; then
713    with_shared_mono=no
714 fi
715
716 if test "x$enable_libraries" = "xno"; then
717    with_shared_mono=no
718 fi
719
720 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
721
722 case $host in
723 *nacl* ) with_shared_mono=yes;;
724 esac
725
726 if test "x$host_win32" = "xyes"; then
727    # Boehm GC requires the runtime to be in its own dll
728    with_static_mono=no
729 fi
730
731 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
732 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
733 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
734
735 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
736 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
737         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
738         ORIG_CFLAGS=$CFLAGS
739         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
740         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
741         AC_TRY_COMPILE([], [
742                 return 0;
743         ], [
744            AC_MSG_RESULT(yes)
745            # Pass it to libgc as well
746            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
747         ], [
748            AC_MSG_RESULT(no)
749            CFLAGS=$ORIG_CFLAGS
750         ])
751 fi
752
753 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
754
755 if test x$enable_small_config = xyes; then
756         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
757         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
758 fi
759
760 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=$enableval, enable_system_aot=default)
761
762 DISABLED_FEATURES=none
763
764 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
765      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
766      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
767          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
768 [
769         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
770                 eval "mono_feature_disable_$feature='yes'"
771         done
772         DISABLED_FEATURES=$enable_minimal
773         disabled="Disabled:      $enable_minimal"
774 ],[])
775
776 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
777
778 if test "x$mono_feature_disable_aot" = "xyes"; then
779         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
780         AC_MSG_NOTICE([Disabled AOT compiler])
781 fi
782
783 if test "x$mono_feature_disable_profiler" = "xyes"; then
784         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
785         AC_MSG_NOTICE([Disabled support for the profiler])
786 fi
787 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
788
789 if test "x$mono_feature_disable_decimal" = "xyes"; then
790         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
791         AC_MSG_NOTICE([Disabled support for decimal])
792 fi
793
794 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
795         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
796         AC_MSG_NOTICE([Disabled support for P/Invoke])
797 fi
798
799 if test "x$mono_feature_disable_debug" = "xyes"; then
800         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
801         AC_MSG_NOTICE([Disabled support for runtime debugging])
802 fi
803
804 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
805         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
806         mono_feature_disable_reflection_emit_save=yes
807         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
808 fi
809
810 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
811         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
812         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
813 fi
814
815 if test "x$mono_feature_disable_large_code" = "xyes"; then
816         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
817         AC_MSG_NOTICE([Disabled support for large assemblies])
818 fi
819
820 if test "x$mono_feature_disable_logging" = "xyes"; then
821         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
822         AC_MSG_NOTICE([Disabled support for logging])
823 fi
824
825 if test "x$mono_feature_disable_com" = "xyes"; then
826         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
827         AC_MSG_NOTICE([Disabled COM support])
828 fi
829
830 if test "x$mono_feature_disable_ssa" = "xyes"; then
831         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
832         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
833 fi
834
835 if test "x$mono_feature_disable_generics" = "xyes"; then
836         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
837         AC_MSG_NOTICE([Disabled Generics Support])
838 fi
839
840 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
841         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
842         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
843 fi
844
845 if test "x$mono_feature_disable_portability" = "xyes"; then
846         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
847         AC_MSG_NOTICE([Disabled IO Portability layer])
848 fi
849
850 if test "x$mono_feature_disable_attach" = "xyes"; then
851         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
852         AC_MSG_NOTICE([Disabled agent attach])
853 fi
854
855 if test "x$mono_feature_disable_full_messages" = "xyes"; then
856         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
857         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
858 fi
859
860 if test "x$mono_feature_disable_verifier" = "xyes"; then
861         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
862         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
863 fi
864
865 if test "x$mono_feature_disable_jit" = "xyes"; then
866         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
867         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
868 fi
869
870 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
871
872 if test "x$mono_feature_disable_simd" = "xyes"; then
873         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
874         AC_MSG_NOTICE([Disabled SIMD support])
875 fi
876
877 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
878         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
879         AC_MSG_NOTICE([Disabled Soft Debugger.])
880 fi
881
882 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
883         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
884         AC_MSG_NOTICE([Disabled Performance Counters.])
885 fi
886 if test "x$mono_feature_disable_normalization" = "xyes"; then
887         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
888         AC_MSG_NOTICE([Disabled String normalization support.])
889 fi
890
891 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
892         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
893         AC_MSG_NOTICE([Disabled Assembly remapping.])
894 fi
895
896 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
897         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
898         AC_MSG_NOTICE([Disabled Shared perfcounters.])
899 fi
900
901 if test "x$mono_feature_disable_appdomains" = "xyes"; then
902         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
903         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
904 fi
905
906 if test "x$mono_feature_disable_remoting" = "xyes"; then
907         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
908         AC_MSG_NOTICE([Disabled remoting])
909 fi
910
911 if test "x$mono_feature_disable_security" = "xyes"; then
912         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
913         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
914 fi
915
916 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
917         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
918         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
919 fi
920
921 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
922         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
923         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
924 fi
925
926 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
927         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
928         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
929 fi
930
931 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
932         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
933         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
934 fi
935
936 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
937         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
938         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
939 fi
940
941 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
942 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
943
944 has_extension_module=no
945 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
946 [
947         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
948                 if test x$extension = xdefault ; then
949                         has_extension_module=yes;
950                 fi
951         done
952         if test x$enable_extension_module = xyes; then
953                 has_extension_module=yes;
954         fi
955 ], [])
956
957 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
958
959 if test x$has_extension_module != xno ; then
960         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
961         AC_MSG_NOTICE([Enabling mono extension module.])
962 fi
963
964 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
965 if test x$enable_gsharing = xyes; then
966         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
967 fi
968
969 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
970 if test x$enable_native_types = xyes; then
971         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
972 fi
973
974 AC_MSG_CHECKING(for visibility __attribute__)
975 AC_COMPILE_IFELSE([
976         AC_LANG_SOURCE([[
977                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
978                 int main () { doit (); return 0; }
979         ]])
980 ], [
981    have_visibility_hidden=yes
982    AC_MSG_RESULT(yes)
983 ], [
984    have_visibility_hidden=no
985    AC_MSG_RESULT(no)
986 ])
987
988 AC_MSG_CHECKING(for deprecated __attribute__)
989 AC_TRY_COMPILE([
990      int doit (void) __attribute__ ((deprecated));
991      int doit (void) { return 0; }
992 ], [
993         return 0;
994 ], [
995    have_deprecated=yes
996    AC_MSG_RESULT(yes)
997 ], [
998    have_deprecated=no
999    AC_MSG_RESULT(no)
1000 ])
1001
1002 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1003 if test x$enable_parallel_mark = xyes; then
1004         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1005 fi
1006
1007 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1008 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013 LIBGC_CPPFLAGS=
1014 LIBGC_LIBS=
1015 LIBGC_STATIC_LIBS=
1016 libgc_dir=
1017 case "x$gc" in
1018         xboehm|xbohem|xyes)
1019                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1020                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1021
1022                 if test "x$found_boehm" != "xyes"; then
1023                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1024                 fi
1025                 if test "x$gc_headers" != "xyes"; then
1026                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1027                 fi
1028
1029                 LIBGC_LIBS="-lgc $libdl"
1030                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1031                 libmono_ldflags="$libmono_ldflags -lgc"
1032                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1033
1034                 # AC_CHECK_FUNCS does not work for some reason...
1035                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1036                 if test "x$found_gcj_malloc" = "xyes"; then
1037                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1038                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1039                         gc_msg="System Boehm with typed GC"
1040                 else
1041                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1042                         gc_msg="System Boehm (without typed GC)"
1043                 fi
1044                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1045                 if test "x$found_gc_enable" = "xyes"; then
1046                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1047                 fi
1048
1049                 # check whether we need to explicitly allow
1050                 # thread registering
1051                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1052                 if test "x$found_allow_register_threads" = "xyes"; then
1053                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1054                 fi
1055
1056                 ;;
1057
1058         xincluded)
1059                 use_included_gc=yes
1060                 libgc_dir=libgc
1061
1062                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1063                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1064                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1065
1066                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1067
1068                 if test x$target_win32 = xyes; then
1069                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1070                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1071                 fi
1072
1073                 gc_msg="bundled Boehm GC with typed GC"
1074                 if test x$enable_parallel_mark = xyes; then
1075                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1076                         gc_msg="$gc_msg and parallel mark"
1077                 else
1078                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1079                 fi
1080                 ;;
1081
1082         xsgen)
1083                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1084                 ;;
1085
1086         xnone)
1087                 AC_MSG_WARN("Compiling mono without GC.")
1088                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1089                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1090                 ;;
1091         *)
1092                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1093                 ;;
1094 esac
1095
1096 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1097 if test "x$large_heap" = "xyes"; then
1098    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1099 fi
1100
1101 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1102 AC_SUBST(LIBGC_CPPFLAGS)
1103 AC_SUBST(LIBGC_LIBS)
1104 AC_SUBST(LIBGC_STATIC_LIBS)
1105 AC_SUBST(libgc_dir)
1106 AC_SUBST(BOEHM_DEFINES)
1107
1108 dnl
1109 dnl End of libgc checks
1110 dnl
1111
1112 dnl *************************************
1113 dnl *** Checks for zero length arrays ***
1114 dnl *************************************
1115 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1116 AC_TRY_COMPILE([
1117         struct s {
1118                 int  length;
1119                 char data [0];
1120         };
1121 ], [], [
1122         AC_MSG_RESULT(yes)
1123         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1124 ], [
1125         AC_MSG_RESULT(no)
1126         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1127 ])
1128
1129 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1130
1131 if test x$target_win32 = xno; then
1132
1133         dnl hires monotonic clock support
1134         AC_SEARCH_LIBS(clock_gettime, rt)
1135
1136         dnl dynamic loader support
1137         AC_CHECK_FUNC(dlopen, DL_LIB="",
1138                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1139         )
1140         if test x$dl_support = xno; then
1141                 AC_MSG_WARN([No dynamic loading support available])
1142         else
1143                 LIBS="$LIBS $DL_LIB"
1144                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1145                 dnl from glib's configure.in
1146                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1147                         mono_cv_uscore,[
1148                         AC_TRY_RUN([#include <dlfcn.h>
1149                         int mono_underscore_test (void) { return 42; }
1150                         int main() {
1151                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1152                           handle = dlopen ((void*)0, 0);
1153                           if (handle) {
1154                             f1 = dlsym (handle, "mono_underscore_test");
1155                             f2 = dlsym (handle, "_mono_underscore_test");
1156                           } return (!f2 || f1);
1157                         }],
1158                                 [mono_cv_uscore=yes],
1159                                 [mono_cv_uscore=no],
1160                         [])
1161                 ])
1162                 if test "x$mono_cv_uscore" = "xyes"; then
1163                         MONO_DL_NEED_USCORE=1
1164                 else
1165                         MONO_DL_NEED_USCORE=0
1166                 fi
1167                 AC_SUBST(MONO_DL_NEED_USCORE)
1168                 AC_CHECK_FUNC(dlerror)
1169         fi
1170
1171         dnl ******************************************************************
1172         dnl *** Checks for the IKVM JNI interface library                  ***
1173         dnl ******************************************************************
1174         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])
1175
1176         ikvm_native_dir=
1177         if test x$with_ikvm_native = xyes; then
1178                 ikvm_native_dir=ikvm-native
1179                 jdk_headers_found="IKVM Native"
1180         fi
1181
1182         AC_SUBST(ikvm_native_dir)
1183
1184         AC_CHECK_HEADERS(execinfo.h)
1185
1186         AC_CHECK_HEADERS(sys/auxv.h)
1187
1188         AC_CHECK_FUNCS(getgrgid_r)
1189         AC_CHECK_FUNCS(getgrnam_r)
1190         AC_CHECK_FUNCS(getpwnam_r)
1191         AC_CHECK_FUNCS(getpwuid_r)
1192         AC_CHECK_FUNCS(getresuid)
1193         AC_CHECK_FUNCS(setresuid)
1194         AC_CHECK_FUNCS(kqueue)
1195         AC_CHECK_FUNCS(backtrace_symbols)
1196         AC_CHECK_FUNCS(mkstemp)
1197         AC_CHECK_FUNCS(mmap)
1198         AC_CHECK_FUNCS(madvise)
1199         AC_CHECK_FUNCS(getrusage)
1200         AC_CHECK_FUNCS(getpriority)
1201         AC_CHECK_FUNCS(setpriority)
1202         AC_CHECK_FUNCS(dl_iterate_phdr)
1203         AC_CHECK_FUNCS(dladdr)
1204         AC_CHECK_FUNCS(sysconf)
1205
1206         AC_CHECK_FUNCS(sched_setaffinity)
1207         AC_CHECK_FUNCS(sched_getcpu)
1208
1209         dnl ****************************************************************
1210         dnl *** Check for sched_setaffinity from glibc versions before   ***
1211         dnl *** 2.3.4. The older versions of the function only take 2    ***
1212         dnl *** parameters, not 3.                                       ***
1213         dnl ***                                                          ***
1214         dnl *** Because the interface change was not made in a minor     ***
1215         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1216         dnl *** won't always indicate the interface sched_affinity has.  ***
1217         dnl ****************************************************************
1218         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1219         AC_TRY_COMPILE([#include <sched.h>], [
1220             int mask = 1; 
1221             sched_setaffinity(0, &mask);
1222                         return 0;
1223         ], [
1224                 # Yes, we have it...
1225                 AC_MSG_RESULT(yes)
1226                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1227         ], [
1228                 # We have the new, three-parameter version
1229                 AC_MSG_RESULT(no)
1230         ])
1231
1232
1233         dnl ******************************************************************
1234         dnl *** Check for large file support                               ***
1235         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1236         dnl ******************************************************************
1237         
1238         # Check that off_t can represent 2**63 - 1 correctly, working around
1239         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1240         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1241         large_offt=no
1242         AC_DEFUN([LARGE_FILES], [
1243                 large_CPPFLAGS=$CPPFLAGS
1244                 CPPFLAGS="$CPPFLAGS $1"
1245                 AC_TRY_COMPILE([
1246                         #include <sys/types.h>
1247                         #include <limits.h>
1248                 ], [
1249                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1250                         #define COMPILE_TIME_ASSERT(pred) \
1251                                 switch(0){case 0:case pred:;}
1252                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1253                 ], [
1254                         AC_MSG_RESULT(ok)
1255                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1256                         large_CPPFLAGS="$large_CPPFLAGS $1"
1257                         large_offt=yes
1258                 ], [
1259                         AC_MSG_RESULT(no)
1260                 ])
1261                 CPPFLAGS=$large_CPPFLAGS
1262         ])
1263
1264         AC_MSG_CHECKING(if off_t is 64 bits wide)
1265         LARGE_FILES("")
1266         if test $large_offt = no; then
1267                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1268                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1269         fi
1270         if test $large_offt = no; then
1271                 AC_MSG_WARN([No 64 bit file size support available])
1272         fi
1273         
1274         dnl *****************************
1275         dnl *** Checks for libsocket  ***
1276         dnl *****************************
1277         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1278
1279         case "$host" in
1280                 *-*-*freebsd*)
1281                         dnl *****************************
1282                         dnl *** Checks for libinotify ***
1283                         dnl *****************************
1284                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1285         esac
1286
1287         dnl *******************************
1288         dnl *** Checks for MSG_NOSIGNAL ***
1289         dnl *******************************
1290         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1291         AC_TRY_COMPILE([#include <sys/socket.h>], [
1292                 int f = MSG_NOSIGNAL;
1293         ], [
1294                 # Yes, we have it...
1295                 AC_MSG_RESULT(yes)
1296                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1297         ], [
1298                 # We'll have to use signals
1299                 AC_MSG_RESULT(no)
1300         ])
1301
1302         dnl *****************************
1303         dnl *** Checks for IPPROTO_IP ***
1304         dnl *****************************
1305         AC_MSG_CHECKING(for IPPROTO_IP)
1306         AC_TRY_COMPILE([#include <netinet/in.h>], [
1307                 int level = IPPROTO_IP;
1308         ], [
1309                 # Yes, we have it...
1310                 AC_MSG_RESULT(yes)
1311                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1312         ], [
1313                 # We'll have to use getprotobyname
1314                 AC_MSG_RESULT(no)
1315         ])
1316
1317         dnl *******************************
1318         dnl *** Checks for IPPROTO_IPV6 ***
1319         dnl *******************************
1320         AC_MSG_CHECKING(for IPPROTO_IPV6)
1321         AC_TRY_COMPILE([#include <netinet/in.h>], [
1322                 int level = IPPROTO_IPV6;
1323         ], [
1324                 # Yes, we have it...
1325                 AC_MSG_RESULT(yes)
1326                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1327         ], [
1328                 # We'll have to use getprotobyname
1329                 AC_MSG_RESULT(no)
1330         ])
1331
1332         dnl ******************************
1333         dnl *** Checks for IPPROTO_TCP ***
1334         dnl ******************************
1335         AC_MSG_CHECKING(for IPPROTO_TCP)
1336         AC_TRY_COMPILE([#include <netinet/in.h>], [
1337                 int level = IPPROTO_TCP;
1338         ], [
1339                 # Yes, we have it...
1340                 AC_MSG_RESULT(yes)
1341                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1342         ], [
1343                 # We'll have to use getprotobyname
1344                 AC_MSG_RESULT(no)
1345         ])
1346
1347         dnl *****************************
1348         dnl *** Checks for SOL_IP     ***
1349         dnl *****************************
1350         AC_MSG_CHECKING(for SOL_IP)
1351         AC_TRY_COMPILE([#include <netdb.h>], [
1352                 int level = SOL_IP;
1353         ], [
1354                 # Yes, we have it...
1355                 AC_MSG_RESULT(yes)
1356                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1357         ], [
1358                 # We'll have to use getprotobyname
1359                 AC_MSG_RESULT(no)
1360         ])
1361
1362         dnl *****************************
1363         dnl *** Checks for SOL_IPV6     ***
1364         dnl *****************************
1365         AC_MSG_CHECKING(for SOL_IPV6)
1366         AC_TRY_COMPILE([#include <netdb.h>], [
1367                 int level = SOL_IPV6;
1368         ], [
1369                 # Yes, we have it...
1370                 AC_MSG_RESULT(yes)
1371                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1372         ], [
1373                 # We'll have to use getprotobyname
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377         dnl *****************************
1378         dnl *** Checks for SOL_TCP    ***
1379         dnl *****************************
1380         AC_MSG_CHECKING(for SOL_TCP)
1381         AC_TRY_COMPILE([#include <netdb.h>], [
1382                 int level = SOL_TCP;
1383         ], [
1384                 # Yes, we have it...
1385                 AC_MSG_RESULT(yes)
1386                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1387         ], [
1388                 # We'll have to use getprotobyname
1389                 AC_MSG_RESULT(no)
1390         ])
1391
1392         dnl *****************************
1393         dnl *** Checks for IP_PKTINFO ***
1394         dnl *****************************
1395         AC_MSG_CHECKING(for IP_PKTINFO)
1396         AC_TRY_COMPILE([#include <linux/in.h>], [
1397                 int level = IP_PKTINFO;
1398         ], [
1399                 # Yes, we have it...
1400                 AC_MSG_RESULT(yes)
1401                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1402         ], [
1403                 AC_MSG_RESULT(no)
1404         ])
1405
1406         dnl *****************************
1407         dnl *** Checks for IPV6_PKTINFO ***
1408         dnl *****************************
1409         AC_MSG_CHECKING(for IPV6_PKTINFO)
1410         AC_TRY_COMPILE([#include <netdb.h>], [
1411                 int level = IPV6_PKTINFO;
1412         ], [
1413                 # Yes, we have it...
1414                 AC_MSG_RESULT(yes)
1415                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1416         ], [
1417                 AC_MSG_RESULT(no)
1418         ])
1419
1420         dnl **********************************
1421         dnl *** Checks for IP_DONTFRAG     ***
1422         dnl **********************************
1423         AC_MSG_CHECKING(for IP_DONTFRAG)
1424         AC_TRY_COMPILE([#include <netinet/in.h>], [
1425                 int level = IP_DONTFRAG;
1426         ], [
1427                 # Yes, we have it...
1428                 AC_MSG_RESULT(yes)
1429                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1430         ], [
1431                 AC_MSG_RESULT(no)
1432         ])
1433
1434         dnl **********************************
1435         dnl *** Checks for IP_DONTFRAGMENT ***
1436         dnl **********************************
1437         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1438         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1439                 int level = IP_DONTFRAGMENT;
1440         ], [
1441                 # Yes, we have it...
1442                 AC_MSG_RESULT(yes)
1443                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1444         ], [
1445                 AC_MSG_RESULT(no)
1446         ])
1447
1448         dnl **********************************
1449         dnl *** Checks for IP_MTU_DISCOVER ***
1450         dnl **********************************
1451         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1452         AC_TRY_COMPILE([#include <linux/in.h>], [
1453                 int level = IP_MTU_DISCOVER;
1454         ], [
1455                 # Yes, we have it...
1456                 AC_MSG_RESULT(yes)
1457                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1458         ], [
1459                 AC_MSG_RESULT(no)
1460         ])
1461
1462         dnl **********************************
1463         dnl *** Checks for  IP_PMTUDISC_DO ***
1464         dnl **********************************
1465         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1466         AC_TRY_COMPILE([#include <linux/in.h>], [
1467                 int level = IP_PMTUDISC_DO;
1468         ], [
1469                 # Yes, we have it...
1470                 AC_MSG_RESULT(yes)
1471                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1472         ], [
1473                 AC_MSG_RESULT(no)
1474         ])
1475
1476         dnl *********************************
1477         dnl *** Check for struct ip_mreqn ***
1478         dnl *********************************
1479         AC_MSG_CHECKING(for struct ip_mreqn)
1480         AC_TRY_COMPILE([#include <netinet/in.h>], [
1481                 struct ip_mreqn mreq;
1482                 mreq.imr_address.s_addr = 0;
1483         ], [
1484                 # Yes, we have it...
1485                 AC_MSG_RESULT(yes)
1486                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1487         ], [
1488                 # We'll just have to try and use struct ip_mreq
1489                 AC_MSG_RESULT(no)
1490                 AC_MSG_CHECKING(for struct ip_mreq)
1491                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1492                         struct ip_mreq mreq;
1493                         mreq.imr_interface.s_addr = 0;
1494                 ], [
1495                         # Yes, we have it...
1496                         AC_MSG_RESULT(yes)
1497                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1498                 ], [
1499                         # No multicast support
1500                         AC_MSG_RESULT(no)
1501                 ])
1502         ])
1503         
1504         dnl **********************************
1505         dnl *** Check for gethostbyname2_r ***
1506         dnl **********************************
1507         AC_MSG_CHECKING(for gethostbyname2_r)
1508                 AC_TRY_LINK([#include <netdb.h>], [
1509                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1510         ], [
1511                 # Yes, we have it...
1512                 AC_MSG_RESULT(yes)
1513                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1514         ], [
1515                 AC_MSG_RESULT(no)
1516         ])
1517
1518         dnl *****************************
1519         dnl *** Checks for libnsl     ***
1520         dnl *****************************
1521         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1522
1523         AC_CHECK_FUNCS(inet_pton inet_aton)
1524
1525         dnl ***********************************************
1526         dnl *** Checks for size of sockaddr_un.sun_path ***
1527         dnl ***********************************************
1528         # AC_CHECK_SIZEOF can't cope with struct members :-(
1529         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1530         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1531                 [AC_TRY_RUN([
1532                         #include <sys/types.h>
1533                         #include <stdio.h>
1534                         #include <sys/un.h>
1535
1536                         int main(void) {
1537                                 struct sockaddr_un sock_un;
1538                                 FILE *f=fopen("conftestval", "w");
1539                                 if(!f) exit(1);
1540                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1541                                 exit(0);
1542                         }
1543                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1544                    mono_cv_sizeof_sunpath=0,
1545                    mono_cv_sizeof_sunpath=0)])dnl
1546         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1547         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1548
1549         dnl *****************************
1550         dnl *** Checks for libxnet    ***
1551         dnl *****************************
1552         case "${host}" in
1553                 *solaris* )
1554                         AC_MSG_CHECKING(for Solaris XPG4 support)
1555                         if test -f /usr/lib/libxnet.so; then
1556                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1557                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1558                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1559                                 LIBS="$LIBS -lxnet"
1560                                 AC_MSG_RESULT(yes)
1561                         else
1562                                 AC_MSG_RESULT(no)
1563                         fi
1564
1565                         if test "$GCC" = "yes"; then
1566                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1567                         fi
1568                 ;;
1569         esac
1570
1571         dnl *****************************
1572         dnl *** Checks for libpthread ***
1573         dnl *****************************
1574 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1575 # and libpthread does not exist
1576 #
1577         case "${host}" in
1578                 *-*-*freebsd*)
1579                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1580                 ;;
1581                 *-*-*openbsd*)
1582                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1583                 ;;
1584                 *)
1585                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1586                 ;;
1587         esac
1588         AC_CHECK_HEADERS(pthread.h)
1589         AC_CHECK_HEADERS(pthread_np.h)
1590         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1591         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1592         AC_CHECK_FUNCS(pthread_kill)
1593         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1594         AC_TRY_COMPILE([ #include <pthread.h>], [
1595                 pthread_mutexattr_t attr;
1596                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1597         ], [
1598                 AC_MSG_RESULT(ok)
1599         ], [
1600                 AC_MSG_RESULT(no)
1601                 AC_ERROR(Posix system lacks support for recursive mutexes)
1602         ])
1603         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1604         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1605         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1606
1607         dnl ***********************************
1608         dnl *** Checks for signals
1609         dnl ***********************************
1610         AC_CHECK_HEADERS(signal.h)
1611         AC_CHECK_FUNCS(sigaction)
1612
1613         dnl ***********************************
1614         dnl *** Checks for working __thread ***
1615         dnl ***********************************
1616         AC_MSG_CHECKING(for working __thread)
1617         if test "x$with_tls" != "x__thread"; then
1618                 AC_MSG_RESULT(disabled)
1619         elif test "x$cross_compiling" = "xyes"; then
1620                 AC_MSG_RESULT(cross compiling, assuming yes)
1621         else
1622                 AC_TRY_RUN([
1623                         #if defined(__APPLE__) && defined(__clang__)
1624                         #error "__thread does not currently work with clang on Mac OS X"
1625                         #endif
1626                         
1627                         #include <pthread.h>
1628                         __thread int i;
1629                         static int res1, res2;
1630
1631                         void thread_main (void *arg)
1632                         {
1633                                 i = arg;
1634                                 sleep (1);
1635                                 if (arg == 1)
1636                                         res1 = (i == arg);
1637                                 else
1638                                         res2 = (i == arg);
1639                         }
1640
1641                         int main () {
1642                                 pthread_t t1, t2;
1643
1644                                 i = 5;
1645
1646                                 pthread_create (&t1, NULL, thread_main, 1);
1647                                 pthread_create (&t2, NULL, thread_main, 2);
1648
1649                                 pthread_join (t1, NULL);
1650                                 pthread_join (t2, NULL);
1651
1652                                 return !(res1 + res2 == 2);
1653                         }
1654                 ], [
1655                                 AC_MSG_RESULT(yes)
1656                 ], [
1657                                 AC_MSG_RESULT(no)
1658                                 with_tls=pthread
1659                 ])
1660         fi
1661
1662         dnl **************************************
1663         dnl *** Checks for working sigaltstack ***
1664         dnl **************************************
1665         AC_MSG_CHECKING(for working sigaltstack)
1666         if test "x$with_sigaltstack" != "xyes"; then
1667                 AC_MSG_RESULT(disabled)
1668         elif test "x$cross_compiling" = "xyes"; then
1669                 AC_MSG_RESULT(cross compiling, assuming yes)
1670         else
1671                 AC_TRY_RUN([
1672                         #include <stdio.h>
1673                         #include <stdlib.h>
1674                         #include <unistd.h>
1675                         #include <signal.h>
1676                         #include <pthread.h>
1677                         #include <sys/wait.h>
1678                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1679                         #define SA_STACK SA_ONSTACK
1680                         #endif
1681                         static void
1682                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1683                         {
1684                                 exit (0);
1685                         }
1686
1687                         volatile char*__ptr = NULL;
1688                         static void *
1689                         loop (void *ignored)
1690                         {
1691                                 *__ptr = 0;
1692                                 return NULL;
1693                         }
1694
1695                         static void
1696                         child ()
1697                         {
1698                                 struct sigaction sa;
1699                         #ifdef __APPLE__
1700                                 stack_t sas;
1701                         #else
1702                                 struct sigaltstack sas;
1703                         #endif
1704                                 pthread_t id;
1705                                 pthread_attr_t attr;
1706
1707                                 sa.sa_sigaction = sigsegv_signal_handler;
1708                                 sigemptyset (&sa.sa_mask);
1709                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1710                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1711                                         perror ("sigaction");
1712                                         return;
1713                                 }
1714
1715                                 /* x86 darwin deliver segfaults using SIGBUS */
1716                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1717                                         perror ("sigaction");
1718                                         return;
1719                                 }
1720                                 sas.ss_sp = malloc (SIGSTKSZ);
1721                                 sas.ss_size = SIGSTKSZ;
1722                                 sas.ss_flags = 0;
1723                                 if (sigaltstack (&sas, NULL) == -1) {
1724                                         perror ("sigaltstack");
1725                                         return;
1726                                 }
1727
1728                                 pthread_attr_init (&attr);
1729                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1730                                         printf ("pthread_create\n");
1731                                         return;
1732                                 }
1733
1734                                 sleep (100);
1735                         }
1736
1737                         int
1738                         main ()
1739                         {
1740                                 pid_t son;
1741                                 int status;
1742                                 int i;
1743
1744                                 son = fork ();
1745                                 if (son == -1) {
1746                                         return 1;
1747                                 }
1748
1749                                 if (son == 0) {
1750                                         child ();
1751                                         return 0;
1752                                 }
1753
1754                                 for (i = 0; i < 300; ++i) {
1755                                         waitpid (son, &status, WNOHANG);
1756                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1757                                                 return 0;
1758                                         usleep (10000);
1759                                 }
1760
1761                                 kill (son, SIGKILL);
1762                                 return 1;
1763                         }
1764
1765                 ], [
1766                                 AC_MSG_RESULT(yes)
1767                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1768                 ], [
1769                                 with_sigaltstack=no
1770                                 AC_MSG_RESULT(no)
1771                 ])
1772         fi
1773
1774         dnl ********************************
1775         dnl *** Checks for semaphore lib ***
1776         dnl ********************************
1777         # 'Real Time' functions on Solaris
1778         # posix4 on Solaris 2.6
1779         # pthread (first!) on Linux
1780         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1781
1782         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1783         AC_CHECK_FUNCS(shm_open)
1784
1785         dnl ********************************
1786         dnl *** Checks for timezone stuff **
1787         dnl ********************************
1788         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1789                 AC_TRY_COMPILE([
1790                         #include <time.h>
1791                         ], [
1792                         struct tm tm;
1793                         tm.tm_gmtoff = 1;
1794                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1795         if test $ac_cv_struct_tm_gmtoff = yes; then
1796                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1797         else
1798                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1799                         AC_TRY_COMPILE([
1800                                 #include <time.h>
1801                         ], [
1802                                 timezone = 1;
1803                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1804                 if test $ac_cv_var_timezone = yes; then
1805                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1806                 else
1807                         AC_ERROR(unable to find a way to determine timezone)
1808                 fi
1809         fi
1810
1811         dnl *********************************
1812         dnl *** Checks for math functions ***
1813         dnl *********************************
1814         AC_SEARCH_LIBS(sqrtf, m)
1815         if test "x$has_broken_apple_cpp" != "xyes"; then
1816                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1817                         AC_TRY_LINK([#include <math.h>], 
1818                         [ finite(0.0); ], 
1819                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1820                         AC_MSG_RESULT(no)))
1821         fi
1822         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1823                 AC_TRY_LINK([#include <math.h>], 
1824                 [ isfinite(0.0); ], 
1825                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1826                 AC_MSG_RESULT(no)))
1827
1828         dnl ****************************************************************
1829         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1830         dnl *** have it in the library (duh))                            ***
1831         dnl ****************************************************************
1832         AC_CHECK_FUNCS(poll)
1833
1834         dnl *************************
1835         dnl *** Check for signbit ***
1836         dnl *************************
1837         AC_MSG_CHECKING(for signbit)
1838         AC_TRY_LINK([#include <math.h>], [
1839                 int s = signbit(1.0);
1840         ], [
1841                 AC_MSG_RESULT(yes)
1842                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1843         ], [
1844                 AC_MSG_RESULT(no)
1845         ]) 
1846
1847         dnl **********************************
1848         dnl *** epoll                      ***
1849         dnl **********************************
1850         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1851                 AC_CHECK_HEADERS(sys/epoll.h)
1852                 haveepoll=no
1853                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1854                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1855                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1856                 fi
1857         fi
1858
1859         havekqueue=no
1860
1861         AC_CHECK_HEADERS(sys/event.h)
1862         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1863
1864         dnl **************************************
1865         dnl * Darwin has a race that prevents us from using reliably:
1866         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1867         dnl * Since kqueue is mostly used for scaling large web servers, 
1868         dnl * and very few folks run Mono on large web servers on OSX, falling
1869         dnl * back 
1870         dnl **************************************
1871         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1872                 if test "x$platform_darwin" = "xno"; then
1873                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1874                 fi
1875         fi
1876
1877         dnl ******************************
1878         dnl *** Checks for SIOCGIFCONF ***
1879         dnl ******************************
1880         AC_CHECK_HEADERS(sys/ioctl.h)
1881         AC_CHECK_HEADERS(net/if.h, [], [],
1882            [
1883            #ifdef HAVE_SYS_TYPES_H
1884            # include <sys/types.h>
1885            #endif
1886            #ifdef HAVE_SYS_SOCKET_H
1887            # include <sys/socket.h>
1888            #endif
1889            ])
1890         AC_MSG_CHECKING(for ifreq)
1891         AC_TRY_COMPILE([
1892                 #include <stdio.h>
1893                 #include <sys/ioctl.h>
1894                 #include <net/if.h>
1895                 ], [
1896                 struct ifconf ifc;
1897                 struct ifreq *ifr;
1898                 void *x;
1899                 ifc.ifc_len = 0;
1900                 ifc.ifc_buf = NULL;
1901                 x = (void *) &ifr->ifr_addr;
1902                 ],[
1903                         AC_MSG_RESULT(yes)
1904                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1905                 ], [
1906                         AC_MSG_RESULT(no)
1907                 ])
1908         dnl **********************************
1909         dnl ***     Checks for sin_len     ***
1910         dnl **********************************
1911         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1912         AC_TRY_COMPILE([
1913                 #include <netinet/in.h>
1914                 ], [
1915                 struct sockaddr_in saddr;
1916                 saddr.sin_len = sizeof (saddr);
1917                 ],[
1918                         AC_MSG_RESULT(yes)
1919                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1920                 ], [
1921                         AC_MSG_RESULT(no)
1922                 ])      
1923         dnl **********************************
1924         dnl ***    Checks for sin6_len     ***
1925         dnl **********************************
1926         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1927         AC_TRY_COMPILE([
1928                 #include <netinet/in.h>
1929                 ], [
1930                 struct sockaddr_in6 saddr6;
1931                 saddr6.sin6_len = sizeof (saddr6);
1932                 ],[
1933                         AC_MSG_RESULT(yes)
1934                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1935                 ], [
1936                         AC_MSG_RESULT(no)
1937                 ])
1938         dnl **********************************
1939         dnl *** Check for getifaddrs       ***
1940         dnl **********************************
1941         AC_MSG_CHECKING(for getifaddrs)
1942                 AC_TRY_LINK([
1943                 #include <stdio.h>
1944                 #include <sys/types.h>
1945                 #include <sys/socket.h>
1946                 #include <ifaddrs.h>
1947         ], [
1948                 getifaddrs(NULL);
1949         ], [
1950                 # Yes, we have it...
1951                 AC_MSG_RESULT(yes)
1952                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1953         ], [
1954                 AC_MSG_RESULT(no)
1955         ])
1956         dnl **********************************
1957         dnl *** Check for if_nametoindex   ***
1958         dnl **********************************
1959         AC_MSG_CHECKING(for if_nametoindex)
1960                 AC_TRY_LINK([
1961                 #include <stdio.h>
1962                 #include <sys/types.h>
1963                 #include <sys/socket.h>
1964                 #include <net/if.h>
1965         ], [
1966                 if_nametoindex(NULL);
1967         ], [
1968                 # Yes, we have it...
1969                 AC_MSG_RESULT(yes)
1970                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1971         ], [
1972                 AC_MSG_RESULT(no)
1973         ])
1974                         
1975         dnl **********************************
1976         dnl *** Checks for MonoPosixHelper ***
1977         dnl **********************************
1978         AC_CHECK_HEADERS(checklist.h)
1979         AC_CHECK_HEADERS(pathconf.h)
1980         AC_CHECK_HEADERS(fstab.h)
1981         AC_CHECK_HEADERS(attr/xattr.h)
1982         AC_CHECK_HEADERS(sys/extattr.h)
1983         AC_CHECK_HEADERS(sys/sendfile.h)
1984         AC_CHECK_HEADERS(sys/statvfs.h)
1985         AC_CHECK_HEADERS(sys/statfs.h)
1986         AC_CHECK_HEADERS(sys/vfstab.h)
1987         AC_CHECK_HEADERS(sys/xattr.h)
1988         AC_CHECK_HEADERS(sys/mman.h)
1989         AC_CHECK_HEADERS(sys/param.h)
1990         AC_CHECK_HEADERS(sys/mount.h, [], [],
1991                 [
1992                 #ifdef HAVE_SYS_PARAM_H
1993                 # include <sys/param.h>
1994                 #endif
1995                 ])
1996         AC_CHECK_HEADERS(sys/mount.h)
1997         AC_CHECK_FUNCS(confstr)
1998         AC_CHECK_FUNCS(seekdir telldir)
1999         AC_CHECK_FUNCS(getdomainname)
2000         AC_CHECK_FUNCS(setdomainname)
2001         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2002         AC_CHECK_FUNCS(setgroups)
2003         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2004         AC_CHECK_FUNCS(getfsstat)
2005         AC_CHECK_FUNCS(lutimes futimes)
2006         AC_CHECK_FUNCS(mremap)
2007         AC_CHECK_FUNCS(remap_file_pages)
2008         AC_CHECK_FUNCS(posix_fadvise)
2009         AC_CHECK_FUNCS(posix_fallocate)
2010         AC_CHECK_FUNCS(posix_madvise)
2011         AC_CHECK_FUNCS(vsnprintf)
2012         AC_CHECK_FUNCS(sendfile)
2013         AC_CHECK_FUNCS(gethostid sethostid)
2014         AC_CHECK_FUNCS(sethostname)
2015         AC_CHECK_FUNCS(statfs)
2016         AC_CHECK_FUNCS(fstatfs)
2017         AC_CHECK_FUNCS(statvfs)
2018         AC_CHECK_FUNCS(fstatvfs)
2019         AC_CHECK_FUNCS(stime)
2020         AC_CHECK_FUNCS(strerror_r)
2021         AC_CHECK_FUNCS(ttyname_r)
2022         AC_CHECK_FUNCS(psignal)
2023         AC_CHECK_FUNCS(getlogin_r)
2024         AC_CHECK_FUNCS(lockf)
2025         AC_CHECK_FUNCS(swab)
2026         AC_CHECK_FUNCS(setusershell endusershell)
2027         AC_CHECK_FUNCS(futimens utimensat)
2028         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2029         AC_CHECK_FUNCS(readv writev preadv pwritev)
2030         AC_CHECK_FUNCS(setpgid)
2031         AC_CHECK_SIZEOF(size_t)
2032         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2033                 [#include <sys/types.h>
2034                  #include <sys/stat.h>
2035                  #include <unistd.h>])
2036         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2037                 [#include <sys/types.h>
2038                  #include <sys/stat.h>
2039                  #include <unistd.h>])
2040         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2041                 [#include <sys/time.h>])
2042         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2043                 [#include <unistd.h>
2044                  #include <fcntl.h>])
2045         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2046                 [#include <sys/uio.h>])
2047         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2048                 [#include <sys/poll.h>])
2049         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2050                 [#include <sys/types.h>
2051                  #include <sys/stat.h>
2052                  #include <unistd.h>])
2053         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2054                 [#include <time.h>])
2055         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2056                 [#include <sys/time.h>
2057                  #include <sys/types.h>
2058                  #include <utime.h>])
2059         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2060                 [#include <sys/time.h>])
2061         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2062                 [#include <sys/types.h>
2063                  #include <utime.h>])
2064         AC_CHECK_MEMBERS(
2065                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2066                 [#include <sys/types.h>
2067                  #include <dirent.h>])
2068         AC_CHECK_MEMBERS(
2069                 [struct passwd.pw_gecos],,, 
2070                 [#include <sys/types.h>
2071                  #include <pwd.h>])
2072         AC_CHECK_MEMBERS(
2073                 [struct statfs.f_flags],,, 
2074                 [#include <sys/types.h>
2075                  #include <sys/vfs.h>])
2076         AC_CHECK_MEMBERS(
2077                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2078                 [#include <sys/types.h>
2079                  #include <sys/stat.h>
2080                  #include <unistd.h>])
2081
2082         dnl Favour xattr through glibc, but use libattr if we have to
2083         AC_CHECK_FUNC(lsetxattr, ,
2084                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2085         )
2086         AC_SUBST(XATTR_LIB)
2087
2088         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2089         AC_CHECK_MEMBERS(
2090                 [struct kinfo_proc.kp_proc],,, 
2091                 [#include <sys/types.h>
2092                  #include <sys/param.h>
2093                  #include <sys/sysctl.h>
2094                  #include <sys/proc.h>
2095                  ])
2096
2097         dnl *********************************
2098         dnl *** Checks for Windows compilation ***
2099         dnl *********************************
2100         AC_CHECK_HEADERS(sys/time.h)
2101         AC_CHECK_HEADERS(sys/param.h)
2102         AC_CHECK_HEADERS(dirent.h)
2103
2104         dnl ******************************************
2105         dnl *** Checks for OSX and iOS compilation ***
2106         dnl ******************************************
2107         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2108
2109         dnl *********************************
2110         dnl *** Check for Console 2.0 I/O ***
2111         dnl *********************************
2112         AC_CHECK_HEADERS([curses.h])
2113         AC_CHECK_HEADERS([term.h], [], [],
2114         [#if HAVE_CURSES_H
2115          #include <curses.h>
2116          #endif
2117         ])
2118         AC_CHECK_HEADERS([termios.h])
2119
2120         dnl * This is provided in io-layer, but on windows it's only available
2121         dnl * on xp+
2122         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2123 else
2124         dnl *********************************
2125         dnl *** Checks for Windows compilation ***
2126         dnl *********************************
2127         AC_CHECK_HEADERS(winternl.h)
2128
2129         jdk_headers_found=no
2130         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2131         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2132         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2133         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2134         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2135         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2136         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2137
2138         dnl *********************************
2139         dnl *** Check for struct ip_mreqn ***
2140         dnl *********************************
2141         AC_MSG_CHECKING(for struct ip_mreqn)
2142         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2143                 struct ip_mreqn mreq;
2144                 mreq.imr_address.s_addr = 0;
2145         ], [
2146                 # Yes, we have it...
2147                 AC_MSG_RESULT(yes)
2148                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2149         ], [
2150                 # We'll just have to try and use struct ip_mreq
2151                 AC_MSG_RESULT(no)
2152                 AC_MSG_CHECKING(for struct ip_mreq)
2153                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2154                         struct ip_mreq mreq;
2155                         mreq.imr_interface.s_addr = 0;
2156                 ], [
2157                         # Yes, we have it...
2158                         AC_MSG_RESULT(yes)
2159                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2160                 ], [
2161                         # No multicast support
2162                         AC_MSG_RESULT(no)
2163                 ])
2164         ])
2165         AC_CHECK_FUNCS(GetProcessId)
2166         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2167         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2168         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2169         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2170         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2171         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2172         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2173 fi
2174
2175 dnl socklen_t check
2176 AC_MSG_CHECKING(for socklen_t)
2177 AC_TRY_COMPILE([
2178 #include <sys/types.h>
2179 #include <sys/socket.h>
2180 ],[
2181   socklen_t foo;
2182 ],[
2183 ac_cv_c_socklen_t=yes
2184         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2185         AC_MSG_RESULT(yes)
2186 ],[
2187         AC_MSG_RESULT(no)
2188 ])
2189
2190 AC_MSG_CHECKING(for array element initializer support)
2191 AC_TRY_COMPILE([#include <sys/socket.h>], [
2192         const int array[] = {[1] = 2,};
2193 ], [
2194         # Yes, we have it...
2195         AC_MSG_RESULT(yes)
2196         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2197 ], [
2198         # We'll have to use signals
2199         AC_MSG_RESULT(no)
2200 ])
2201
2202 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2203         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2204         AC_TRY_LINK([#include <math.h>], 
2205         [ static void *p = &trunc; ],
2206         [
2207                 AC_DEFINE(HAVE_TRUNC) 
2208                 AC_MSG_RESULT(yes)
2209                 ac_cv_trunc=yes
2210         ],
2211         AC_MSG_RESULT(no)))
2212
2213 if test "x$ac_cv_truncl" != "xyes"; then
2214    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2215 fi
2216
2217 AC_CHECK_FUNCS(round)
2218 AC_CHECK_FUNCS(rint)
2219 AC_CHECK_FUNCS(execvp)
2220
2221 dnl ****************************
2222 dnl *** Look for /dev/random ***
2223 dnl ****************************
2224
2225 AC_MSG_CHECKING([if usage of random device is requested])
2226 AC_ARG_ENABLE(dev-random,
2227 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2228 try_dev_random=$enableval, try_dev_random=yes)
2229
2230 AC_MSG_RESULT($try_dev_random)
2231
2232 case "{$build}" in
2233     *-openbsd*)
2234     NAME_DEV_RANDOM="/dev/srandom"
2235     ;;
2236
2237 dnl Win32 does not have /dev/random, they have their own method...
2238
2239     *-mingw*|*-*-cygwin*)
2240     ac_cv_have_dev_random=no
2241     ;;
2242
2243 dnl Everywhere else, it's /dev/random
2244
2245     *)
2246     NAME_DEV_RANDOM="/dev/random"
2247     ;;
2248 esac
2249
2250 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2251
2252 dnl Now check if the device actually exists
2253
2254 if test "x$try_dev_random" = "xyes"; then
2255     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2256     [if test -r "$NAME_DEV_RANDOM" ; then
2257         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2258     if test "x$ac_cv_have_dev_random" = "xyes"; then
2259         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2260     fi
2261 else
2262     AC_MSG_CHECKING(for random device)
2263     ac_cv_have_dev_random=no
2264     AC_MSG_RESULT(has been disabled)
2265 fi
2266
2267 if test "x$host_win32" = "xyes"; then
2268     AC_DEFINE(HAVE_CRYPT_RNG)
2269 fi
2270
2271 if test "x$ac_cv_have_dev_random" = "xno" \
2272     && test "x$host_win32" = "xno"; then
2273     AC_MSG_WARN([[
2274 ***
2275 *** A system-provided entropy source was not found on this system.
2276 *** Because of this, the System.Security.Cryptography random number generator
2277 *** will throw a NotImplemented exception.
2278 ***
2279 *** If you are seeing this message, and you know your system DOES have an
2280 *** entropy collection in place, please contact <crichton@gimp.org> and
2281 *** provide information about the system and how to access the random device.
2282 ***
2283 *** Otherwise you can install either egd or prngd and set the environment
2284 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2285 ***]])
2286 fi
2287  
2288 AC_MSG_CHECKING([if inter-process shared handles are requested])
2289 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2290 AC_MSG_RESULT($try_shared_handles)
2291 if test "x$try_shared_handles" != "xyes"; then
2292         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2293         AC_SUBST(DISABLE_SHARED_HANDLES)
2294 fi
2295
2296 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2297
2298 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2299 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2300
2301 AC_MSG_CHECKING([if big-arrays are to be enabled])
2302 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2303 if test "x$enable_big_arrays" = "xyes" ; then
2304     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2305         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2306     else
2307         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2308     fi
2309 fi
2310 AC_MSG_RESULT($enable_big_arrays)
2311
2312 dnl **************
2313 dnl *** DTRACE ***
2314 dnl **************
2315
2316 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2317
2318 if test "x$enable_dtrace" = "xyes"; then
2319    if test "x$has_dtrace" = "xno"; then
2320           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2321    fi
2322    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2323    if test "x$DTRACE" = "xno"; then
2324           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2325           enable_dtrace=no
2326    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2327           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2328           enable_dtrace=no
2329    fi
2330 fi
2331
2332 dtrace_g=no
2333 if test "x$enable_dtrace" = "xyes"; then
2334         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2335         DTRACEFLAGS=
2336         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2337                 case "$host" in
2338                         powerpc-*-darwin*)
2339                         DTRACEFLAGS="-arch ppc64"
2340                         ;;
2341                         i*86-*-darwin*)
2342                         DTRACEFLAGS="-arch x86_64"
2343                         ;;
2344                         *)
2345                         DTRACEFLAGS=-64
2346                         ;;
2347                 esac
2348         else
2349                 case "$host" in
2350                         powerpc-*-darwin*)
2351                         DTRACEFLAGS="-arch ppc"
2352                         ;;
2353                         i*86-*-darwin*)
2354                         DTRACEFLAGS="-arch i386"
2355                         ;;
2356                         *)
2357                         DTRACEFLAGS=-32
2358                         ;;
2359                 esac
2360         fi
2361         AC_SUBST(DTRACEFLAGS)
2362         case "$host" in
2363                 *-*-solaris*)
2364                 dtrace_g=yes
2365                 ;;
2366         esac
2367         AC_CHECK_HEADERS([sys/sdt.h])
2368 fi
2369 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2370 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2371
2372 dnl **************
2373 dnl ***  NaCl  ***
2374 dnl **************
2375
2376 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2377 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2378
2379 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2380
2381 dnl
2382 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2383 dnl
2384 nacl_self_host=""
2385 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2386    nacl_self_host="nacl_self_host"
2387 fi
2388 AC_SUBST(nacl_self_host)
2389
2390 if test "x$enable_nacl_codegen" = "xyes"; then
2391    MONO_NACL_ALIGN_MASK_OFF=1
2392    AC_DEFINE(TARGET_NACL, 1, [...])
2393    AC_DEFINE(__native_client_codegen__, 1, [...])
2394 else
2395    MONO_NACL_ALIGN_MASK_OFF=0
2396    AC_DEFINE(__default_codegen__, 1, [...])
2397 fi
2398 if test "x$enable_nacl_gc" = "xyes"; then
2399    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2400       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2401    else
2402       # Not yet implemented
2403       INSTRUMENT_CFLAG=""
2404    fi
2405    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2406 fi
2407 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2408
2409 dnl **************
2410 dnl ***  LLVM  ***
2411 dnl **************
2412
2413 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2414 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2415 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2416
2417 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2418
2419 if test "x$enable_llvm" = "xyes"; then
2420    if test "x$with_llvm" != "x"; then
2421           LLVM_CONFIG=$with_llvm/bin/llvm-config
2422           if test ! -x $LLVM_CONFIG; then
2423                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2424       fi
2425    else
2426       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2427       if test "x$LLVM_CONFIG" = "xno"; then
2428              AC_MSG_ERROR([llvm-config not found.])
2429       fi
2430    fi
2431
2432    llvm_codegen="x86codegen"
2433    case "$target" in
2434    arm*)
2435                 llvm_codegen="armcodegen"
2436                 ;;
2437    esac
2438
2439    # The output of --cflags seems to include optimizations flags too
2440    LLVM_CFLAGS=`$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'`
2441    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2442    # from LLVM classes.
2443    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2444    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2445    # This might include empty lines
2446    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2447    if test "x$host" != "x$target"; then
2448       # No need for jit libs
2449       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2450    else
2451       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2452    fi
2453    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2454
2455    expected_llvm_version="3.4svn-mono-mono/e656cac"
2456
2457    # Should be something like '2.6' or '2.7svn'
2458    llvm_version=`$LLVM_CONFIG --version`
2459    major_version=`echo $llvm_version | cut -c 1`
2460    minor_version=`echo $llvm_version | cut -c 3`
2461    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2462    AC_MSG_CHECKING(LLVM version)
2463    AC_MSG_RESULT($llvm_version)
2464    if echo $llvm_version | grep -q 'mono'; then
2465           if test "x$enable_llvm_version_check" == "xyes"; then
2466                  if test "$llvm_version" != "$expected_llvm_version"; then
2467                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2468                  fi
2469           fi
2470           if test "x$llvm_api_version" = "x"; then
2471                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2472           else
2473                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2474           fi
2475    else
2476           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.])
2477    fi
2478
2479    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2480    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2481    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2482
2483    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2484    # llvm's config.h
2485    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2486
2487    AC_SUBST(LLVM_CFLAGS)
2488    AC_SUBST(LLVM_CXXFLAGS)
2489    AC_SUBST(LLVM_LIBS)
2490    AC_SUBST(LLVM_LDFLAGS)
2491    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2492 fi
2493
2494 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2495 if test "x$enable_loadedllvm" = "xyes"; then
2496    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2497 fi
2498 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2499
2500 TARGET="unknown"
2501 ACCESS_UNALIGNED="yes"
2502
2503 JIT_SUPPORTED=no
2504 INTERP_SUPPORTED=no
2505 LIBC="libc.so.6"
2506 INTL="libc.so.6"
2507 SQLITE="libsqlite.so.0"
2508 SQLITE3="libsqlite3.so.0"
2509 X11="libX11.so"
2510
2511 sizeof_register="SIZEOF_VOID_P"
2512
2513 jit_wanted=true
2514 interp_wanted=false
2515 sgen_supported=false
2516 boehm_supported=true
2517 case "$host" in
2518         mips*)
2519                 TARGET=MIPS;
2520                 arch_target=mips;
2521                 sgen_supported=true
2522                 ACCESS_UNALIGNED="no"
2523                 JIT_SUPPORTED=yes
2524
2525                 AC_MSG_CHECKING(for mips n32)
2526                 AC_TRY_COMPILE([],[
2527                 #if _MIPS_SIM != _ABIN32
2528                 #error Not mips n32
2529                 #endif
2530                 return 0;
2531                 ],[
2532                 AC_MSG_RESULT(yes)
2533                 sizeof_register=8
2534                 ],[
2535                 AC_MSG_RESULT(no)
2536                 ])
2537                 ;;
2538         i*86-*-*)
2539                 TARGET=X86;
2540                 arch_target=x86;
2541                 JIT_SUPPORTED=yes
2542                 case $host_os in
2543                   solaris*)
2544                         LIBC="libc.so"
2545                         INTL="libintl.so"
2546                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2547                                 TARGET=AMD64
2548                                 arch_target=amd64
2549                         fi
2550
2551                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2552                         # int astruct __attribute__ ((visibility ("hidden")));
2553                         # void foo ()
2554                         # {
2555                         #       void *p = &astruct;
2556                         # }
2557                         # gcc -fPIC --shared -o libfoo.so foo.c
2558                         # yields:
2559                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2560                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2561                         have_visibility_hidden=no
2562                         sgen_supported=true
2563                         ;;
2564                   mingw*|cygwin*)
2565                         sgen_supported=true
2566                         have_visibility_hidden=no                 
2567                         ;;
2568                   haiku*)
2569                         LIBC=libroot.so
2570                         ;;
2571                   linux*)
2572                         sgen_supported=true
2573                         AOT_SUPPORTED="yes"
2574                         ;;
2575                   darwin*)
2576                         sgen_supported=true
2577                         AOT_SUPPORTED="yes"
2578                         ;;
2579                   darwin*|openbsd*|freebsd*)
2580                         sgen_supported=true
2581                         ;;
2582                 esac
2583                 ;;
2584         x86_64-*-* | amd64-*-*)
2585                 TARGET=AMD64;
2586                 arch_target=amd64;
2587                 JIT_SUPPORTED=yes
2588                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2589                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2590                         sizeof_register=8
2591                 fi
2592                 case $host_os in
2593                   linux*)
2594                         sgen_supported=true
2595                         AOT_SUPPORTED="yes"
2596                         ;;
2597                   darwin*|openbsd*|freebsd*)
2598                         sgen_supported=true
2599                         ;;
2600                 esac
2601                 case "$host" in
2602                         x86_64-*-nacl*)
2603                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2604                                 sizeof_register=8
2605                                 ;;
2606                 esac
2607                 ;;
2608         ia64-*-*)
2609                 TARGET=IA64
2610                 arch_target=ia64
2611                 ACCESS_UNALIGNED="no"
2612                 JIT_SUPPORTED=yes
2613                 LIBC="libc.so.6.1"
2614                 INTL="libc.so.6.1"
2615                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2616                 libmono_ldflags="-lunwind"
2617                 ;;
2618         sparc*-*-*)
2619                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2620                    TARGET=SPARC64
2621                 else
2622                         TARGET=SPARC
2623                 fi
2624                 arch_target=sparc;
2625                 JIT_SUPPORTED=yes
2626                 ACCESS_UNALIGNED="no"
2627                 case $host_os in
2628                   linux*) ;;
2629                   *)
2630                         LIBC="libc.so"
2631                         INTL="libintl.so"
2632                 esac
2633                 if test x"$GCC" = xyes; then
2634                         # We don't support v8 cpus
2635                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2636                 fi
2637                 if test x"$AR" = xfalse; then
2638                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2639                 fi
2640                 sgen_supported=true
2641                 ;;
2642         *-mingw*|*-*-cygwin*)
2643                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2644                 have_visibility_hidden=no
2645                 INTL="intl"
2646                 ;;
2647         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2648         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2649                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2650                         TARGET=POWERPC64;
2651                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2652                         CFLAGS="$CFLAGS -mminimal-toc"
2653                 else
2654                         TARGET=POWERPC;
2655                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2656                 fi
2657                 arch_target=ppc;
2658                 JIT_SUPPORTED=yes
2659                 case $host_os in
2660                   linux*|darwin*)
2661                         sgen_supported=true
2662                         ;;
2663                 esac
2664                 ;;
2665         arm*-darwin*)
2666                 TARGET=ARM;
2667                 arch_target=arm;
2668                 ACCESS_UNALIGNED="no"
2669                 JIT_SUPPORTED=yes
2670                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2671                 # libgc's gc_locks.h depends on this
2672             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2673                 sgen_supported=true
2674                 ;;
2675         arm*-linux*)
2676                 TARGET=ARM;
2677                 arch_target=arm;
2678                 ACCESS_UNALIGNED="no"
2679                 JIT_SUPPORTED=yes
2680                 sgen_supported=true
2681                 AOT_SUPPORTED="yes"
2682                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2683                 ;;
2684 # TODO: make proper support for NaCl host.
2685 #        arm*-*nacl)
2686 #               TARGET=ARM;
2687 #               arch_target=arm;
2688 #               ACCESS_UNALIGNED="no"
2689 #               JIT_SUPPORTED=yes
2690 #               sgen_supported=true
2691 #               AOT_SUPPORTED="no"
2692 #               ;;
2693         aarch64-*)
2694                 # https://lkml.org/lkml/2012/7/15/133
2695                 TARGET=ARM64
2696                 arch_target=arm64
2697                 JIT_SUPPORTED=yes
2698                 sgen_supported=true
2699                 boehm_supported=false
2700                 ;;
2701         s390x-*-linux*)
2702                 TARGET=S390X;
2703                 arch_target=s390x;
2704                 ACCESS_UNALIGNED="yes"
2705                 JIT_SUPPORTED=yes
2706                 sgen_supported=true
2707                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2708                 ;;
2709 esac
2710
2711 HOST=$TARGET
2712
2713 if test "x$host" != "x$target"; then
2714    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2715    enable_mcs_build=no
2716    case "$target" in
2717    arm*-darwin*)
2718                 TARGET=ARM;
2719                 arch_target=arm;
2720                 ACCESS_UNALIGNED="no"
2721                 JIT_SUPPORTED=yes
2722                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2723                 jit_wanted=true
2724                 # Can't use tls, since it depends on the runtime detection of tls offsets
2725                 # in mono-compiler.h
2726                 with_tls=pthread
2727                 ;;
2728    powerpc64-ps3-linux-gnu)
2729                 TARGET=POWERPC64
2730                 arch_target=powerpc64
2731                 AC_DEFINE(TARGET_PS3, 1, [...])
2732                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2733                 # uses this define
2734                 AC_DEFINE(__mono_ppc64__, 1, [...])
2735                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2736                 sizeof_register=8
2737                 target_byte_order=G_BIG_ENDIAN
2738                 ;;
2739
2740    powerpc64-xbox360-linux-gnu)
2741                 TARGET=POWERPC64
2742                 arch_target=powerpc64
2743                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2744                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2745                 # uses this define
2746                 sizeof_register=8
2747                 target_byte_order=G_BIG_ENDIAN
2748                 ;;
2749    x86_64-*-nacl)
2750                 TARGET=AMD64
2751                 arch_target=amd64
2752                 AC_DEFINE(TARGET_AMD64, 1, [...])
2753                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2754                 sizeof_register=8
2755                 ;;
2756 # TODO: make proper support for NaCl target.
2757 #   arm*-*nacl)
2758 #               TARGET=ARM
2759 #               arch_target=arm
2760 #               AC_DEFINE(TARGET_ARM, 1, [...])
2761 #               ACCESS_UNALIGNED="no"
2762 #               JIT_SUPPORTED=yes
2763 #               sizeof_register=4
2764 #               CPPFLAGS="$CPPFLAGS \
2765 #                    -D__ARM_EABI__ \
2766 #                    -D__arm__ \
2767 #                    -D__portable_native_client__ \
2768 #                    -Dtimezone=_timezone \
2769 #                    -DDISABLE_SOCKETS \
2770 #                    -DDISABLE_ATTACH \
2771 #                    -DUSE_NEWLIB"
2772 #               jit_wanted=true
2773                 # Can't use tls, since it depends on the runtime detection of tls offsets
2774                 # in mono-compiler.h
2775 #               with_tls=pthread
2776 #               ;;
2777    i686-*-nacl)
2778                 TARGET=X86
2779                 arch_target=x86
2780                 AC_DEFINE(TARGET_X86, 1, [...])
2781                 sizeof_register=4
2782                 ;;
2783    arm*-linux-*)
2784                 TARGET=ARM;
2785                 arch_target=arm;
2786                 AC_DEFINE(TARGET_ARM, 1, [...])
2787                 ACCESS_UNALIGNED="no"
2788                 JIT_SUPPORTED=yes
2789                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2790                 jit_wanted=true
2791                 # Can't use tls, since it depends on the runtime detection of tls offsets
2792                 # in mono-compiler.h
2793                 with_tls=pthread
2794                 target_mach=no
2795                 case "$target" in
2796                 armv7l-unknown-linux-gnueabi*)
2797                         # TEGRA
2798                         CPPFLAGS="$CPPFLAGS"
2799                         ;;
2800                 armv5-*-linux-androideabi*)
2801                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2802                         CPPFLAGS="$CPPFLAGS"
2803                         ;;
2804                 esac
2805                 ;;
2806         aarch64-*)
2807                 TARGET=ARM64
2808                 JIT_SUPPORTED=yes
2809                 jit_wanted=true
2810                 ;;
2811         *)
2812                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2813         esac
2814 fi
2815
2816 case "$TARGET" in
2817 X86)
2818         AC_DEFINE(TARGET_X86, 1, [...])
2819         ;;
2820 AMD64)
2821         AC_DEFINE(TARGET_AMD64, 1, [...])
2822         ;;
2823 ARM)
2824         AC_DEFINE(TARGET_ARM, 1, [...])
2825         ;;
2826 ARM64)
2827         AC_DEFINE(TARGET_ARM64, 1, [...])
2828         ;;
2829 POWERPC)
2830         AC_DEFINE(TARGET_POWERPC, 1, [...])
2831         ;;
2832 POWERPC64)
2833         AC_DEFINE(TARGET_POWERPC, 1, [...])
2834         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2835         ;;
2836 S390X)
2837         AC_DEFINE(TARGET_S390X, 1, [...])
2838         ;;
2839 MIPS)
2840         AC_DEFINE(TARGET_MIPS, 1, [...])
2841         ;;
2842 IA64)
2843         AC_DEFINE(TARGET_IA64, 1, [...])
2844         ;;
2845 SPARC)
2846         AC_DEFINE(TARGET_SPARC, 1, [...])
2847         ;;
2848 SPARC64)
2849         AC_DEFINE(TARGET_SPARC64, 1, [...])
2850         ;;
2851 esac
2852
2853 dnl Use GCC atomic ops if they work on the target.
2854 if test x$GCC = "xyes"; then
2855         case $TARGET in
2856         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2857                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2858                 ;;
2859         esac
2860 fi
2861
2862 if test "x$target_mach" = "xyes"; then
2863    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2864           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2865           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2866           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2867    else
2868        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2869        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2870        #error fail this for ios
2871        #endif
2872        return 0;
2873        ], [
2874                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2875           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2876           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2877        ], [
2878           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2879           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2880           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2881        ])
2882         fi
2883    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2884 fi
2885
2886 if test "x$sizeof_register" = "x4"; then
2887    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2888 elif test "x$sizeof_register" = "x8"; then
2889    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2890 else
2891    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2892 fi
2893
2894 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2895    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2896 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2897    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2898 else
2899    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2900 fi
2901
2902 if test "x$have_visibility_hidden" = "xyes"; then
2903    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2904 fi
2905
2906 if test "x$have_deprecated" = "xyes"; then
2907    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2908 fi
2909
2910 dnl 
2911 dnl Simple Generational checks (sgen)
2912 dnl
2913 if $sgen_supported; then
2914    build_sgen_default=yes
2915 else
2916    build_sgen_default=no
2917 fi
2918 SGEN_DEFINES=
2919 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2920 if test x$buildsgen = xyes; then
2921    if $sgen_supported; then
2922        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2923        gc_msg="sgen and $gc_msg"
2924    else
2925        buildsgen=no
2926        AC_MSG_WARN("Sgen is not supported on this platform")
2927    fi
2928 fi
2929 AC_SUBST(SGEN_DEFINES)
2930 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2931
2932 USEJIT=false
2933 if test x$JIT_SUPPORTED = xyes; then
2934    if $jit_wanted; then
2935       USEJIT=true
2936       jit_status="Building and using the JIT"
2937    else
2938       if $interp_wanted; then
2939          jit_status="Building the JIT, defaulting to the interpreter"
2940       else
2941          AC_ERROR(No JIT or interpreter support available or selected.)
2942       fi
2943    fi
2944 else
2945    if test x$interp_wanted = xtrue; then
2946       jit_status="interpreter"
2947    else
2948       AC_ERROR(No JIT or interpreter support available or selected.)
2949    fi
2950 fi
2951
2952 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2953
2954 libsuffix=".so"
2955
2956 case "$host" in
2957      *-*-darwin*)
2958         libsuffix=".dylib"
2959         LIBC="libc.dylib"
2960         INTL="libintl.dylib"
2961         SQLITE="libsqlite.0.dylib"
2962         SQLITE3="libsqlite3.0.dylib"
2963         X11="libX11.dylib"
2964         ;;
2965      *-*-*netbsd*)
2966         LIBC="libc.so.12"
2967         INTL="libintl.so.0"
2968         ;;
2969     *-*-*freebsd*)
2970         LIBC="libc.so"
2971         INTL="libintl.so"
2972         SQLITE="libsqlite.so"
2973         SQLITE3="libsqlite3.so"
2974         ;;
2975     *-*-*openbsd*)
2976         LIBC="libc.so"
2977         INTL="libintl.so"
2978         SQLITE="libsqlite.so"
2979         SQLITE3="libsqlite3.so"
2980         ;;
2981     *-*-*linux*)
2982         AC_PATH_X
2983         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2984         AC_MSG_CHECKING(for the soname of libX11.so)
2985         for i in $x_libraries $dlsearch_path; do
2986                 for r in 4 5 6; do
2987                         if test -f $i/libX11.so.$r; then
2988                                 X11=libX11.so.$r
2989                                 AC_MSG_RESULT($X11)
2990                         fi
2991                 done
2992         done
2993         
2994         if test "x$X11" = "xlibX11.so"; then
2995                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2996                 X11=libX11.so.6
2997         fi
2998         ;;
2999 esac
3000
3001
3002 AC_SUBST(libsuffix)
3003
3004 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
3005         if test "x$with_tls" = "x__thread"; then
3006                 #
3007                 # On some linux distributions, TLS works in executables, but linking 
3008                 # against a shared library containing TLS fails with:
3009                 # undefined reference to `__tls_get_addr'
3010                 #
3011                 rm -f conftest.c conftest.so conftest
3012                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
3013                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
3014                 $CC -o conftest conftest.so > /dev/null 2>&1
3015                 if test ! -f conftest; then
3016                    AC_MSG_WARN([Disabling usage of __thread.]);
3017                    with_tls=pthread
3018                 fi
3019                 rm -f conftest.c conftest.so conftest
3020         fi
3021 fi
3022
3023 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3024 if test "x$icall_symbol_map" = "xyes"; then
3025    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3026 fi
3027
3028 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3029 if test "x$icall_export" = "xyes"; then
3030    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3031 fi
3032
3033 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3034 if test "x$icall_tables" = "xno"; then
3035    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3036 fi
3037
3038 if test "x$with_tls" = "x__thread"; then
3039         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3040         # Pass the information to libgc
3041         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3042         AC_MSG_CHECKING(if the tls_model attribute is supported)
3043         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3044                 ], [
3045                         AC_MSG_RESULT(yes)
3046                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3047                 ], [
3048                         AC_MSG_RESULT(no)
3049         ])
3050 fi
3051
3052 if test ${TARGET} = ARM; then
3053         dnl ******************************************
3054         dnl *** Check to see what FPU is available ***
3055         dnl ******************************************
3056         AC_MSG_CHECKING(which FPU to use)
3057
3058         #
3059         # This is a bit tricky:
3060         #
3061         # if (__ARM_PCS_VFP) {
3062         #       /* mfloat-abi=hard == VFP with hard ABI */
3063         # } elif (!__SOFTFP__) {
3064         #       /* mfloat-abi=softfp == VFP with soft ABI */
3065         # } else {
3066         #       /* mfloat-abi=soft == no VFP */
3067         # }
3068         #
3069         # The exception is iOS (w/ GCC) where none of the above
3070         # are defined (but iOS always uses the 'softfp' ABI).
3071         #
3072         # No support for FPA.
3073         #
3074
3075         fpu=NONE
3076
3077         # iOS GCC always uses the 'softfp' ABI.
3078         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3079                 fpu=VFP
3080         fi
3081
3082         # Are we using the 'hard' ABI?
3083         if test x$fpu = xNONE; then
3084                 AC_TRY_COMPILE([], [
3085                         #ifndef __ARM_PCS_VFP
3086                         #error "Float ABI is not 'hard'"
3087                         #endif
3088                         return 0;
3089                 ], [
3090                         fpu=VFP_HARD
3091                 ], [
3092                         fpu=NONE
3093                 ])
3094         fi
3095
3096         # No 'hard' ABI. 'soft' or 'softfp'?
3097         if test x$fpu = xNONE; then
3098                 AC_TRY_COMPILE([], [
3099                         #ifdef __SOFTFP__
3100                         #error "Float ABI is not 'softfp'"
3101                         #endif
3102                         return 0;
3103                 ], [
3104                         fpu=VFP
3105                 ], [
3106                         fpu=NONE
3107                 ])
3108         fi
3109
3110         AC_MSG_RESULT($fpu)
3111         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3112         unset fpu
3113
3114         dnl *********************************************
3115         dnl *** Check which ARM version(s) we can use ***
3116         dnl *********************************************
3117         AC_MSG_CHECKING(which ARM version to use)
3118
3119         AC_TRY_COMPILE([], [
3120                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3121                 #error Not on ARM v5.
3122                 #endif
3123                 return 0;
3124         ], [
3125                 arm_v5=yes
3126
3127                 arm_ver=ARMv5
3128         ], [])
3129
3130         AC_TRY_COMPILE([], [
3131                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3132                 #error Not on ARM v6.
3133                 #endif
3134                 return 0;
3135         ], [
3136                 arm_v5=yes
3137                 arm_v6=yes
3138
3139                 arm_ver=ARMv6
3140         ], [])
3141
3142         AC_TRY_COMPILE([], [
3143                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3144                 #error Not on ARM v7.
3145                 #endif
3146                 return 0;
3147         ], [
3148                 arm_v5=yes
3149                 arm_v6=yes
3150                 arm_v7=yes
3151
3152                 arm_ver=ARMv7
3153         ], [])
3154
3155         AC_MSG_RESULT($arm_ver)
3156
3157         if test x$arm_v5 = xyes; then
3158                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3159                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3160         fi
3161
3162         if test x$arm_v6 = xyes; then
3163                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3164                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3165         fi
3166
3167         if test x$arm_v7 = xyes; then
3168                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3169                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3170         fi
3171 fi
3172
3173 if test ${TARGET} = ARM; then
3174         if test "x${with_jumptables}" = "xyes"; then
3175                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3176         fi
3177 fi
3178
3179 if test ${TARGET} = unknown; then
3180         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3181         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3182 fi
3183
3184 if test ${ACCESS_UNALIGNED} = no; then
3185         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3186 fi
3187
3188 case "x$gc" in
3189         xincluded)
3190                 # Pass CPPFLAGS to libgc configure
3191                 # We should use a separate variable for this to avoid passing useless and
3192                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3193                 # This should be executed late so we pick up the final version of CPPFLAGS
3194                 # The problem with this approach, is that during a reconfigure, the main
3195                 # configure scripts gets invoked with these arguments, so we use separate
3196                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3197                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3198                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3199                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3200                 fi
3201                 # Don't pass -finstrument-for-thread-suspension in, 
3202                 # if these are instrumented it will be very bad news 
3203                 # (infinite recursion, undefined parking behavior, etc)
3204                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3205                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3206                 AC_CONFIG_SUBDIRS(libgc)
3207                 ;;
3208 esac
3209
3210 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3211 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3212 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3213 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3214 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3215 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3216
3217 OPROFILE=no
3218 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3219         if test x$with_oprofile != xno; then
3220             oprofile_include=$with_oprofile/include
3221             if test ! -f $oprofile_include/opagent.h; then
3222                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3223                 fi
3224             OPROFILE=yes
3225                 OPROFILE_CFLAGS="-I$oprofile_include"
3226             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3227             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3228         fi
3229 ])
3230
3231 MALLOC_MEMPOOLS=no
3232 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3233         if test x$with_malloc_mempools = xyes; then
3234                 MALLOC_MEMPOOLS=yes
3235                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3236         fi
3237 ])
3238
3239
3240 DISABLE_MCS_DOCS=no
3241 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3242         if test x$with_mcs_docs != xyes; then
3243                 DISABLE_MCS_DOCS=yes
3244         fi
3245 ])
3246 if test x$with_profile4 != xyes; then
3247         DISABLE_MCS_DOCS=yes
3248 fi
3249
3250 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)],[
3251         if test x$with_lazy_gc_thread_creation != xno ; then
3252                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3253         fi
3254 ], [with_lazy_gc_thread_creation=no])
3255
3256 AC_CHECK_HEADER([malloc.h], 
3257                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3258                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3259
3260 if test x"$GCC" = xyes; then
3261         # Implicit function declarations are not 64 bit safe
3262         # Do this late, since this causes lots of configure tests to fail
3263         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3264         # jay has a lot of implicit declarations
3265         JAY_CFLAGS="-Wno-implicit-function-declaration"
3266 fi
3267
3268 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3269 # instead of libmono-static.a
3270 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3271    LIBMONO_LA=libmini-static.la
3272 else
3273    if test x$buildsgen = xyes; then
3274       LIBMONO_LA=libmonosgen-$API_VER.la
3275    else
3276       LIBMONO_LA=libmonoboehm-$API_VER.la
3277    fi
3278 fi
3279 AC_SUBST(LIBMONO_LA)
3280
3281 dnl
3282 dnl Consistency settings
3283 dnl
3284 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3285    DISABLE_MCS_DOCS=yes
3286    with_profile2=no
3287    with_profile4=no
3288    with_profile4_5=no
3289    with_monodroid=no
3290    with_monotouch=no
3291    with_xammac=no
3292 fi
3293
3294 if test x$DISABLE_MCS_DOCS = xyes; then
3295    docs_dir=""
3296 else
3297    docs_dir=docs
3298 fi
3299 AC_SUBST(docs_dir)
3300
3301 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3302 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3303
3304 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3305 AC_SUBST(OPROFILE_CFLAGS)
3306 AC_SUBST(OPROFILE_LIBS)
3307
3308 libmono_ldflags="$libmono_ldflags $LIBS"
3309
3310 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3311 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3312 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3313 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3314 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3315 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3316 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3317 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3318
3319 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3320 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3321 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3322 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3323 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3324 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3325 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3326 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3327 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3328 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3329 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3330 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3331 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3332 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3333 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3334 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3335 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3336 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3337
3338 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3339 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3340 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3341
3342 AC_SUBST(LIBC)
3343 AC_SUBST(INTL)
3344 AC_SUBST(SQLITE)
3345 AC_SUBST(SQLITE3)
3346 AC_SUBST(X11)
3347 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3348 AC_SUBST(arch_target)
3349 AC_SUBST(CFLAGS)
3350 AC_SUBST(CPPFLAGS)
3351 AC_SUBST(LDFLAGS)
3352
3353 mono_build_root=`pwd`
3354 AC_SUBST(mono_build_root)
3355
3356 if test x$USEJIT = xtrue; then
3357   mono_runtime=mono/mini/mono
3358 else
3359   mono_runtime=mono/interpreter/mint
3360 fi
3361 AC_SUBST(mono_runtime)
3362
3363 mono_cfg_root=$mono_build_root/runtime
3364 if test x$host_win32 = xyes; then
3365   if test "x$cross_compiling" = "xno"; then
3366     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3367   else
3368     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3369   fi
3370 else
3371   mono_cfg_dir=$mono_cfg_root/etc
3372 fi
3373 AC_SUBST(mono_cfg_dir)
3374
3375 AC_CONFIG_FILES([po/mcs/Makefile.in])
3376
3377 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3378 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3379
3380 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3381 [   depth=../../../..
3382     case $srcdir in
3383     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3384     .) reldir=$depth ;;
3385     *) reldir=$depth/$srcdir ;;
3386     esac
3387     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3388     cd runtime/etc/mono/1.0
3389     rm -f machine.config
3390     $LN_S $reldir/data/net_1_1/machine.config machine.config
3391     cd $depth
3392 ],[LN_S='$LN_S'])
3393
3394 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3395 [   depth=../../../..
3396     case $srcdir in
3397     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3398     .) reldir=$depth ;;
3399     *) reldir=$depth/$srcdir ;;
3400     esac
3401     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3402     cd runtime/etc/mono/2.0
3403     rm -f machine.config
3404     $LN_S $reldir/data/net_2_0/machine.config machine.config
3405     cd $depth
3406 ],[LN_S='$LN_S'])
3407
3408 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3409 [   depth=../../../..
3410     case $srcdir in
3411     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3412     .) reldir=$depth ;;
3413     *) reldir=$depth/$srcdir ;;
3414     esac
3415     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3416     cd runtime/etc/mono/2.0
3417     rm -f web.config
3418     $LN_S $reldir/data/net_2_0/web.config web.config
3419     cd $depth
3420 ],[LN_S='$LN_S'])
3421
3422 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3423 [   depth=../../..
3424     case $srcdir in
3425     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3426     .) reldir=$depth ;;
3427     *) reldir=$depth/$srcdir ;;
3428     esac
3429     $ac_aux_dir/install-sh -d runtime/etc/mono/
3430     cd runtime/etc/mono/
3431     rm -f browscap.ini
3432     $LN_S $reldir/data/browscap.ini browscap.ini
3433     cd $depth
3434 ],[LN_S='$LN_S'])
3435
3436 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3437 [   depth=../../../../..
3438     case $srcdir in
3439     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3440     .) reldir=$depth ;;
3441     *) reldir=$depth/$srcdir ;;
3442     esac
3443     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3444     cd runtime/etc/mono/2.0/Browsers
3445     rm -f Compat.browser
3446     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3447     cd $depth
3448 ],[LN_S='$LN_S'])
3449
3450 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3451 [   depth=../../../../..
3452     case $srcdir in
3453     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3454     .) reldir=$depth ;;
3455     *) reldir=$depth/$srcdir ;;
3456     esac
3457     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3458     cd runtime/etc/mono/4.0/Browsers
3459     rm -f Compat.browser
3460     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3461     cd $depth
3462 ],[LN_S='$LN_S'])
3463
3464 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3465 [   depth=../../../../..
3466     case $srcdir in
3467     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3468     .) reldir=$depth ;;
3469     *) reldir=$depth/$srcdir ;;
3470     esac
3471     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3472     cd runtime/etc/mono/4.5/Browsers
3473     rm -f Compat.browser
3474     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3475     cd $depth
3476 ],[LN_S='$LN_S'])
3477
3478 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3479 [   depth=../../../..
3480     case $srcdir in
3481     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3482     .) reldir=$depth ;;
3483     *) reldir=$depth/$srcdir ;;
3484     esac
3485     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3486     cd runtime/etc/mono/4.0
3487     rm -f machine.config
3488     $LN_S $reldir/data/net_4_0/machine.config machine.config
3489     cd $depth
3490 ],[LN_S='$LN_S'])
3491
3492 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3493 [   depth=../../../..
3494     case $srcdir in
3495     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3496     .) reldir=$depth ;;
3497     *) reldir=$depth/$srcdir ;;
3498     esac
3499     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3500     cd runtime/etc/mono/4.0
3501     rm -f web.config
3502     $LN_S $reldir/data/net_4_0/web.config web.config
3503     cd $depth
3504 ],[LN_S='$LN_S'])
3505
3506 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3507 [   depth=../../../..
3508     case $srcdir in
3509     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3510     .) reldir=$depth ;;
3511     *) reldir=$depth/$srcdir ;;
3512     esac
3513     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3514     cd runtime/etc/mono/4.5
3515     rm -f machine.config
3516     $LN_S $reldir/data/net_4_5/machine.config machine.config
3517     cd $depth
3518 ],[LN_S='$LN_S'])
3519
3520 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3521 [   depth=../../../..
3522     case $srcdir in
3523     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3524     .) reldir=$depth ;;
3525     *) reldir=$depth/$srcdir ;;
3526     esac
3527     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3528     cd runtime/etc/mono/4.5
3529     rm -f web.config
3530     $LN_S $reldir/data/net_4_5/web.config web.config
3531     cd $depth
3532 ],[LN_S='$LN_S'])
3533
3534 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])
3535
3536 AC_OUTPUT([
3537 Makefile
3538 mono-core.spec
3539 mono-uninstalled.pc
3540 scripts/mono-find-provides
3541 scripts/mono-find-requires
3542 mono/Makefile
3543 mono/utils/Makefile
3544 mono/metadata/Makefile
3545 mono/dis/Makefile
3546 mono/cil/Makefile
3547 mono/arch/Makefile
3548 mono/arch/x86/Makefile
3549 mono/arch/amd64/Makefile
3550 mono/arch/ppc/Makefile
3551 mono/arch/sparc/Makefile
3552 mono/arch/s390x/Makefile
3553 mono/arch/arm/Makefile
3554 mono/arch/arm64/Makefile
3555 mono/arch/ia64/Makefile
3556 mono/arch/mips/Makefile
3557 mono/interpreter/Makefile
3558 mono/tests/Makefile
3559 mono/tests/tests-config
3560 mono/tests/assemblyresolve/Makefile
3561 mono/tests/cas/Makefile
3562 mono/tests/cas/assembly/Makefile
3563 mono/tests/cas/demand/Makefile
3564 mono/tests/cas/inheritance/Makefile
3565 mono/tests/cas/linkdemand/Makefile
3566 mono/tests/cas/threads/Makefile
3567 mono/tests/gc-descriptors/Makefile
3568 mono/unit-tests/Makefile
3569 mono/benchmark/Makefile
3570 mono/monograph/Makefile
3571 mono/io-layer/Makefile
3572 mono/mini/Makefile
3573 mono/profiler/Makefile
3574 m4/Makefile
3575 ikvm-native/Makefile
3576 scripts/Makefile
3577 man/Makefile
3578 docs/Makefile
3579 data/Makefile
3580 data/net_2_0/Makefile
3581 data/net_4_0/Makefile
3582 data/net_4_5/Makefile
3583 data/net_2_0/Browsers/Makefile
3584 data/net_4_0/Browsers/Makefile
3585 data/net_4_5/Browsers/Makefile
3586 data/mint.pc
3587 data/mono-2.pc
3588 data/monosgen-2.pc
3589 data/mono.pc
3590 data/mono-cairo.pc
3591 data/mono-nunit.pc
3592 data/mono-options.pc
3593 data/mono-lineeditor.pc
3594 data/monodoc.pc
3595 data/mono.web.pc
3596 data/dotnet.pc
3597 data/dotnet35.pc
3598 data/wcf.pc
3599 data/cecil.pc
3600 data/system.web.extensions_1.0.pc
3601 data/system.web.extensions.design_1.0.pc
3602 data/system.web.mvc.pc
3603 data/system.web.mvc2.pc
3604 data/system.web.mvc3.pc
3605 data/aspnetwebstack.pc
3606 data/reactive.pc
3607 samples/Makefile
3608 support/Makefile
3609 data/config
3610 tools/Makefile
3611 tools/locale-builder/Makefile
3612 tools/sgen/Makefile
3613 runtime/Makefile
3614 msvc/Makefile
3615 po/Makefile
3616 ])
3617
3618 # Update all submodules recursively to ensure everything is checked out
3619 $srcdir/scripts/update_submodules
3620
3621 if test x$host_win32 = xyes; then
3622    # Get rid of 'cyg' prefixes in library names
3623    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3624    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3625    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3626    # executable doesn't work...
3627    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3628 fi
3629
3630 if test x$platform_darwin = xyes; then
3631    # This doesn't seem to be required and it slows down parallel builds
3632    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3633 fi
3634
3635 (
3636   case $prefix in
3637   NONE) prefix=$ac_default_prefix ;;
3638   esac
3639   case $exec_prefix in
3640   NONE) exec_prefix='${prefix}' ;;
3641   esac
3642
3643   #
3644   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3645   # any existing config.make.  This allows people to share the same source tree
3646   # with different build directories, one native and one cross
3647   #
3648   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3649
3650     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3651
3652     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3653     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3654     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3655     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3656     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3657     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3658     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3659     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3660
3661     case $INSTALL in
3662     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3663     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3664     esac
3665
3666     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3667
3668     export VERSION
3669     [myver=$($AWK 'BEGIN {
3670       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3671       if(length(vsplit [1]) > 4) {
3672         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3673       }
3674       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3675     }')]
3676
3677     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3678
3679     if test x$platform_darwin = xyes; then
3680       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3681     fi
3682
3683         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3684            enable_system_aot=yes
3685         fi
3686
3687         if test "x$enable_loadedllvm" = "xyes"; then
3688            # This seems to fail on the x86 buildbots
3689            enable_system_aot=no
3690         fi
3691
3692     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3693       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3694     fi
3695
3696     if test x$DISABLE_MCS_DOCS = xyes; then
3697       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3698     fi
3699
3700     if test x$has_extension_module != xno; then
3701         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3702     fi
3703
3704         default_profile=net_2_0
3705     if test -z "$INSTALL_4_0_TRUE"; then :
3706                 default_profile=net_4_0
3707     fi
3708     if test -z "$INSTALL_MONODROID_TRUE"; then :
3709                 default_profile=monodroid
3710     fi
3711     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3712                 default_profile=monotouch
3713     fi
3714         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3715                 default_profile=xammac
3716         fi
3717     if test -z "$INSTALL_4_5_TRUE"; then :
3718                 default_profile=net_4_5
3719     fi
3720     
3721     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3722     
3723     if test "x$test_bcl_opt" = "xyes"; then    
3724       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3725     fi
3726
3727   fi
3728
3729   # if we have an olive folder, override the default settings
3730   if test -d $olivedir; then
3731
3732     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3733
3734       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3735
3736       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3737       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3738       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3739       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3740       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3741       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3742     fi
3743   fi
3744
3745 )
3746
3747 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3748
3749 echo "
3750         mcs source:    $mcsdir
3751
3752    Engine:
3753         GC:            $gc_msg 
3754         TLS:           $with_tls
3755         SIGALTSTACK:   $with_sigaltstack
3756         Engine:        $jit_status
3757         oprofile:      $OPROFILE
3758         BigArrays:     $enable_big_arrays
3759         DTrace:        $enable_dtrace
3760         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3761
3762    Libraries:
3763         .NET 2.0/3.5:  $with_profile2
3764         .NET 4.0:      $with_profile4
3765         .NET 4.5:      $with_profile4_5
3766         MonoDroid:     $with_monodroid
3767         MonoTouch:     $with_monotouch
3768         Xamarin.Mac:   $with_xammac
3769         JNI support:   $jdk_headers_found
3770         libgdiplus:    $libgdiplus_msg
3771         zlib:          $zlib_msg
3772         $disabled
3773 "
3774 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3775    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3776 fi