Fix several issues in System.Json
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 AC_INIT(mono, [3.6.1],
5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
6
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
11
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
15
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
17 AC_CONFIG_HEADERS([config.h])
18 AM_MAINTAINER_MODE
19
20 API_VER=2.0
21 AC_SUBST(API_VER)
22
23 AC_PROG_LN_S
24
25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
26
27 case $host_os in
28 *cygwin* )
29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
30                  exit 1
31 esac
32
33 # In case of cygwin, override LN_S, irrespective of what it determines.
34 # The build uses cygwin, but the actual runtime doesn't.
35 case $host_os in
36 *cygwin* ) LN_S='cp -p';;
37 esac
38
39 dnl
40 dnl libgc checks
41 dnl
42
43 gc_headers=no
44 gc=included
45 gc_msg="included Boehm"
46 use_included_gc=no
47 libgc_configure_args=
48
49 if test -d $srcdir/libgc ; then
50   gc_default=included
51 else
52   gc_default=boehm
53 fi
54
55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
58 CFLAGS_FOR_LIBGC=$CFLAGS
59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
60 CFLAGS_FOR_EGLIB=$CFLAGS
61
62 # libgc uses some deprecated APIs
63 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
64
65 #
66 # These are the flags that need to be stored in the mono.pc file for 
67 # compiling code that will embed Mono
68 #
69 libmono_cflags=""
70 libmono_ldflags=""
71 AC_SUBST(libmono_cflags)
72 AC_SUBST(libmono_ldflags)
73
74 # Variable to have relocatable .pc files (lib, or lib64)
75 reloc_libdir=`basename ${libdir}`
76 AC_SUBST(reloc_libdir)
77
78 dnl if linker handles the version script
79 no_version_script=no
80
81 # Set to yes if Unix sockets cannot be created in an anonymous namespace
82 need_link_unlink=no
83
84 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
85 extra_runtime_ldflags=""
86
87 # Thread configuration inspired by sleepycat's db
88 AC_MSG_CHECKING([host platform characteristics])
89 libgc_threads=no
90 has_dtrace=no
91 parallel_mark=yes
92 ikvm_native=yes
93
94 case "$host" in
95         powerpc*-*-linux*)
96                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
97                 disable_munmap=yes
98         ;;
99 esac
100
101 host_win32=no
102 target_win32=no
103 platform_android=no
104 platform_darwin=no
105 case "$host" in
106         *-mingw*|*-*-cygwin*)
107                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
108                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
109                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
110                 host_win32=yes
111                 mono_cv_clang=no
112                 if test "x$cross_compiling" = "xno"; then
113                         target_win32=yes
114                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
115                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
116                         fi
117                 else
118                         target_win32=yes
119                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
120                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
121                 fi
122                 HOST_CC="gcc"
123                 # Windows 2000 is required that includes Internet Explorer 5.01
124                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
125                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
126                 libmono_cflags="-mms-bitfields -mwindows"
127                 libmono_ldflags="-mms-bitfields -mwindows"
128                 libdl=
129                 libgc_threads=win32
130                 gc_default=included
131                 with_sigaltstack=no
132                 LN_S=cp
133                 # This forces libgc to use the DllMain based thread registration code on win32
134                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
135                 ;;
136         *-*-*netbsd*)
137                 host_win32=no
138                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
139                 libmono_cflags="-D_REENTRANT"
140                 LDFLAGS="$LDFLAGS -pthread"
141                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
142                 libmono_ldflags="-pthread"
143                 need_link_unlink=yes
144                 libdl="-ldl"
145                 libgc_threads=pthreads
146                 with_sigaltstack=no
147                 use_sigposix=yes
148                 ;;
149         *-*-*freebsd*)
150                 host_win32=no
151                 if test "x$PTHREAD_CFLAGS" = "x"; then
152                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
153                         libmono_cflags=
154                 else
155                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
156                         libmono_cflags="$PTHREAD_CFLAGS"
157                 fi
158                 if test "x$PTHREAD_LIBS" = "x"; then
159                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
160                         libmono_ldflags="-pthread"
161                 else
162                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
163                         libmono_ldflags="$PTHREAD_LIBS"
164                 fi
165                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
166                 need_link_unlink=yes
167                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
168                 libdl=
169                 libgc_threads=pthreads
170                 use_sigposix=yes
171                 has_dtrace=yes
172                 ;;
173         *-*-*openbsd*)
174                 host_win32=no
175                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
176                 if test "x$disable_munmap" != "xyes"; then
177                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
178                 fi
179                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
180                 LDFLAGS="$LDFLAGS -pthread"
181                 need_link_unlink=yes
182                 AC_DEFINE(PTHREAD_POINTER_ID)
183                 libdl=
184                 gc_default=boehm
185                 libgc_threads=pthreads
186                 with_sigaltstack=no
187                 use_sigposix=yes
188                 ;;
189         *-*-linux-android*)
190                 host_win32=no
191                 platform_android=yes
192                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
193                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
194
195                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
196                 if test "x$disable_munmap" != "xyes"; then
197                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
198                 fi
199                 libmono_cflags="-D_REENTRANT"
200                 libdl="-ldl"
201                 libgc_threads=pthreads
202                 use_sigposix=yes
203
204                 with_tls=pthread
205                 with_sigaltstack=no
206                 with_static_mono=no
207
208                 # Android doesn't support boehm, as it's missing <link.h>
209                 support_boehm=no
210                 with_gc=sgen
211
212                 # isinf(3) requires -lm; see isinf check below
213                 LDFLAGS="$LDFLAGS -lm"
214
215                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
216                 # PAGE_SIZE; breaks mono/io-layer/collection.c
217                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
218                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
219                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
220
221                 # The configure check can't detect this
222                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
223
224                 # to bypass the underscore linker check, can't work when cross-compiling
225                 mono_cv_uscore=yes
226                 mono_cv_clang=no
227                 ;;
228         *-*-linux*)
229                 host_win32=no
230                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
231                 if test "x$disable_munmap" != "xyes"; then
232                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
233                 fi
234                 libmono_cflags="-D_REENTRANT"
235                 libdl="-ldl"
236                 libgc_threads=pthreads
237                 use_sigposix=yes
238                 if test "x$cross_compiling" != "xno"; then
239                         # to bypass the underscore linker check, not
240                         # available during cross-compilation
241                         mono_cv_uscore=no
242                 fi
243                 case "$host" in
244                 aarch64-*)
245                         support_boehm=no
246                         with_gc=sgen
247                         ;;
248                 esac
249                 ;;
250         *-*-nacl*)
251                 host_win32=no
252                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
253                 if test "x$disable_munmap" != "xyes"; then
254                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
255                 fi
256                 libmono_cflags="-D_REENTRANT"
257                 libdl=
258                 libgc_threads=pthreads
259                 gc_default=boehm
260                 use_sigposix=yes
261                 ikvm_native=no
262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
264                 ;;
265         *-*-hpux*)
266                 host_win32=no
267                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
268                 # +ESdbgasm only valid on bundled cc on RISC
269                 # silently ignored for ia64
270                 if test $GCC != "yes"; then
271                         CFLAGS="$CFLAGS +ESdbgasm"
272                         # Arrange for run-time dereferencing of null
273                         # pointers to produce a SIGSEGV signal.
274                         LDFLAGS="$LDFLAGS -z"
275                 fi
276                 CFLAGS="$CFLAGS +ESdbgasm"
277                 LDFLAGS="$LDFLAGS -z"
278                 libmono_cflags="-D_REENTRANT"
279                 libmono_ldflags="-lpthread"
280                 libgc_threads=pthreads
281                 need_link_unlink=yes
282                 use_sigposix=yes
283                 ;;
284         *-*-solaris*)
285                 host_win32=no
286                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
287                 need_link_unlink=yes
288                 libmono_cflags="-D_REENTRANT"
289                 libgc_threads=pthreads
290                 # This doesn't seem to work on solaris/x86, but the configure test runs
291                 with_tls=pthread
292                 has_dtrace=yes
293                 use_sigposix=yes
294                 enable_solaris_tar_check=yes
295                 ;;
296         *-*-darwin*)
297                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
298                 host_win32=no
299                 platform_darwin=yes
300                 target_mach=yes
301                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
302                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
303                 libmono_cflags="-D_THREAD_SAFE"
304                 need_link_unlink=yes
305                 AC_DEFINE(PTHREAD_POINTER_ID)
306                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
307                 no_version_script=yes
308                 libdl=
309                 libgc_threads=pthreads
310                 has_dtrace=yes
311                 if test "x$cross_compiling" = "xyes"; then
312                         has_broken_apple_cpp=yes
313                 fi
314                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
315                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
316                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
317                 case "$host" in
318                         dnl Snow Leopard and newer config.guess reports as this
319                         i*86-*-darwin*)
320                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
321                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
322                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
323                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
324                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
325                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
326                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
327                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
328                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
329                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
330                                 ;;
331                         x*64-*-darwin*)
332                                 ;;
333                         arm*-darwin*)
334                                 has_dtrace=no
335                                 ;;                      
336                 esac
337                 ;;
338         *-*-haiku*)
339                 host_win32=no
340                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
341                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
342                 libdl=
343                 LIBS="$LIBS -lnetwork"
344                 need_link_unlink=yes
345                 AC_DEFINE(PTHREAD_POINTER_ID)
346                 libgc_threads=pthreads
347                 use_sigposix=yes
348                 ;;
349         *)
350                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
351                 host_win32=no
352                 libdl="-ldl"
353                 ;;
354 esac
355 AC_MSG_RESULT(ok)
356
357 if test x$need_link_unlink = xyes; then
358    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
359 fi
360
361 AC_SUBST(extra_runtime_ldflags)
362 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
363 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
364 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
365 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
366 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
367 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
368
369 AC_CHECK_TOOL(CC, gcc, gcc)
370 AC_PROG_CC
371 AC_CHECK_TOOL(CXX, g++, g++)
372 AC_PROG_CXX
373 AM_PROG_AS
374 AC_PROG_INSTALL
375 AC_PROG_AWK
376 AM_PROG_CC_C_O
377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
378 : ${CCAS='$(CC)'}
379 # Set ASFLAGS if not already set.
380 : ${CCASFLAGS='$(CFLAGS)'}
381 AC_SUBST(CCAS)
382 AC_SUBST(CCASFLAGS)
383
384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
386 if test "x$CXX" = "xg++"; then
387         if test "x$GXX" != "xyes"; then
388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
389                 # are inside automake conditionals
390                 AC_MSG_ERROR([You need to install g++])
391         fi
392 fi
393
394 dnl may require a specific autoconf version
395 dnl AC_PROG_CC_FOR_BUILD
396 dnl CC_FOR_BUILD not automatically detected
397 CC_FOR_BUILD=$CC
398 CFLAGS_FOR_BUILD=$CFLAGS
399 BUILD_EXEEXT=
400 if test "x$cross_compiling" = "xyes"; then
401         CC_FOR_BUILD=cc
402         CFLAGS_FOR_BUILD=
403         BUILD_EXEEXT=""
404 fi
405 AC_SUBST(CC_FOR_BUILD)
406 AC_SUBST(CFLAGS_FOR_BUILD)
407 AC_SUBST(HOST_CC)
408 AC_SUBST(BUILD_EXEEXT)
409
410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
412
413 # Set STDC_HEADERS
414 AC_HEADER_STDC
415 AC_LIBTOOL_WIN32_DLL
416 # This causes monodis to not link correctly
417 #AC_DISABLE_FAST_INSTALL
418 AM_PROG_LIBTOOL
419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
420 DOLT
421
422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
423 AC_SUBST(export_ldflags)
424
425 # Test whenever ld supports -version-script
426 AC_PROG_LD
427 AC_PROG_LD_GNU
428 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
429    no_version_script=yes
430 fi
431
432 AM_ICONV()
433
434 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
435
436 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)
437 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)
438 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
439                   [], [], [#include <stddef.h>
440                   #include <sys/socket.h>
441                   #include <linux/socket.h>])
442
443 AC_CHECK_HEADERS(sys/user.h, [], [],
444 [
445 #ifdef HAVE_SYS_PARAM_H
446 # include <sys/param.h>
447 #endif
448 ])
449
450 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
451 if test x$have_zlib = xyes; then
452    AC_TRY_COMPILE([#include <zlib.h>], [
453    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
454    return 0;
455    #else
456    #error No good zlib found
457    #endif
458    ],[
459         AC_MSG_RESULT(Using system zlib)
460         zlib_msg="system zlib"
461         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
462    ],[
463         AC_MSG_RESULT(Using embedded zlib)
464         have_zlib=no
465         zlib_msg="bundled zlib"
466    ])
467 fi
468
469 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
470 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
471
472 # for mono/metadata/debug-symfile.c
473 AC_CHECK_HEADERS(elf.h)
474
475 # for support
476 AC_CHECK_HEADERS(poll.h)
477 AC_CHECK_HEADERS(sys/poll.h)
478 AC_CHECK_HEADERS(sys/wait.h)
479 AC_CHECK_HEADERS(grp.h)
480 AC_CHECK_HEADERS(syslog.h)
481
482 # for mono/dis
483 AC_CHECK_HEADERS(wchar.h)
484 AC_CHECK_HEADERS(ieeefp.h)
485 AC_MSG_CHECKING(for isinf)
486 AC_TRY_LINK([#include <math.h>], [
487         int f = isinf (1.0);
488 ], [
489         AC_MSG_RESULT(yes)
490         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
491 ], [
492         # We'll have to use signals
493         AC_MSG_RESULT(no)
494 ])
495 # mingw
496 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
497         AC_TRY_LINK([#include <math.h>], 
498         [ _finite(0.0); ], 
499         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
500         AC_MSG_RESULT(no)))
501
502 # for Linux statfs support
503 AC_CHECK_HEADERS(linux/magic.h)
504
505 # not 64 bit clean in cross-compile
506 AC_CHECK_SIZEOF(void *, 4)
507
508 AC_CACHE_CHECK([for clang],
509         mono_cv_clang,[
510         AC_TRY_COMPILE([], [
511                 #ifdef __clang__
512                 #else
513                 #error "FAILED"
514                 #endif
515                 return 0;
516         ],
517         [mono_cv_clang=yes],
518         [mono_cv_clang=no],
519         [])
520 ])
521
522 WARN=''
523 if test x"$GCC" = xyes; then
524         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
525                 # The runtime code does not respect ANSI C strict aliasing rules
526                 CFLAGS="$CFLAGS -fno-strict-aliasing"
527
528                 # We rely on signed overflow to behave
529                 CFLAGS="$CFLAGS -fwrapv"
530
531                 ORIG_CFLAGS=$CFLAGS
532                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
533                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
534                 AC_TRY_COMPILE([],[
535                                 return 0;
536                 ], [
537                    AC_MSG_RESULT(yes)
538                 ], [
539                    AC_MSG_RESULT(no)
540                    CFLAGS=$ORIG_CFLAGS
541                 ])
542
543                 ORIG_CFLAGS=$CFLAGS
544                 # Check for the normal version, since gcc ignores unknown -Wno options
545                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
546                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
547                 AC_TRY_COMPILE([],[
548                                 return 0;
549                 ], [
550                    AC_MSG_RESULT(yes)
551                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
552                 ], [
553                    AC_MSG_RESULT(no)
554                    CFLAGS=$ORIG_CFLAGS
555                 ])
556
557                 if test "x$mono_cv_clang" = "xyes"; then
558                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
559                    WARN="$WARN -Qunused-arguments"
560                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
561                 fi
562 else
563         # The Sun Forte compiler complains about inline functions that access static variables
564         # so disable all inlining.
565         case "$host" in
566         *-*-solaris*)
567                 CFLAGS="$CFLAGS -Dinline="
568                 ;;
569         esac
570 fi
571 CFLAGS="$CFLAGS -g $WARN"
572 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
573
574 # Where's the 'mcs' source tree?
575 if test -d $srcdir/mcs; then
576   mcsdir=mcs
577 else
578   mcsdir=../mcs
579 fi
580
581 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
582         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
583                 mcsdir=$with_mcs_path
584         fi
585 )
586
587 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
588
589 #
590 # A sanity check to catch cases where the package was unpacked
591 # with an ancient tar program (Solaris)
592 #
593 AC_ARG_ENABLE(solaris-tar-check,
594 [  --disable-solaris-tar-check    disable solaris tar check],
595    do_solaris_tar_check=no, do_solaris_tar_check=yes)
596
597 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
598         AC_MSG_CHECKING(integrity of package)
599         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
600         then
601                 AC_MSG_RESULT(ok)
602         else
603                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
604                 AC_MSG_ERROR([$errorm])
605         fi
606 fi
607
608 if test "x$with_mcs_path" != "x"; then
609 mcs_topdir=$(cd "$mcsdir" && pwd)
610 mcs_topdir_from_srcdir=$mcs_topdir
611 else
612 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
613 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
614 fi
615
616 # Convert mcs_topdir* paths to Windows syntax.
617 if test x$cross_compiling$host_win32 = xnoyes; then
618   mcs_topdir=$(cygpath -m $mcs_topdir)
619   case $mcs_topdir_from_srcdir in
620     /cygdrive/*)
621         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
622         ;;
623   esac
624 fi
625
626 AC_SUBST([mcs_topdir])
627 AC_SUBST([mcs_topdir_from_srcdir])
628
629 # Where's the 'olive' source tree?
630 if test -d $srcdir/olive; then
631   olivedir=olive
632 else
633   olivedir=../olive
634 fi
635
636 if test -d $srcdir/$olivedir; then
637 olive_topdir='$(top_srcdir)/'$olivedir
638 fi
639
640 # gettext: prepare the translation directories. 
641 # we do not configure the full gettext, as we consume it dynamically from C#
642 AM_PO_SUBDIRS
643
644 if test "x$USE_NLS" = "xyes"; then
645    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
646
647    if test "x$HAVE_MSGFMT" = "xno"; then
648           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
649    fi
650 fi
651
652 AC_ARG_WITH([libgdiplus], 
653         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)], 
654         [], [with_libgdiplus=installed])
655
656 case $with_libgdiplus in
657 no|installed) libgdiplus_loc= ;;
658 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
659 /*) libgdiplus_loc=$with_libgdiplus ;;
660 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
661 esac
662 AC_SUBST([libgdiplus_loc])
663
664 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
665
666 pkg_config_path=
667 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
668         if test x$with_crosspkgdir = "x"; then
669                 if test -s $PKG_CONFIG_PATH; then
670                         pkg_config_path=$PKG_CONFIG_PATH
671                 fi
672         else
673                 pkg_config_path=$with_crosspkgdir
674                 PKG_CONFIG_PATH=$pkg_config_path
675                 export PKG_CONFIG_PATH
676         fi
677 )
678
679 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
680 if test x$werror_flag = xyes; then
681         WERROR_CFLAGS="-Werror"
682 fi
683 AC_SUBST([WERROR_CFLAGS])
684
685 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
686 AC_CONFIG_SUBDIRS(eglib)
687
688 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
689 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
690 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
691 BUILD_GLIB_LIBS="$GLIB_LIBS"
692 GMODULE_CFLAGS="$GLIB_CFLAGS"
693 GMODULE_LIBS="$GLIB_LIBS"
694   
695 AC_SUBST(GLIB_CFLAGS)
696 AC_SUBST(GLIB_LIBS)
697 AC_SUBST(GMODULE_CFLAGS)
698 AC_SUBST(GMODULE_LIBS)
699 AC_SUBST(BUILD_GLIB_CFLAGS)
700 AC_SUBST(BUILD_GLIB_LIBS)
701
702 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
703
704 # Enable support for fast thread-local storage
705 # Some systems have broken support, so we allow to disable it.
706 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
707
708 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
709 # This does not work on some platforms (bug #55253)
710 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
711
712 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
713 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
714 # Same as --with-shared_mono=no
715 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
716
717 if test "x$enable_static" = "xno"; then
718    with_static_mono=no
719 fi
720
721 if test "x$enable_shared" = "xno"; then
722    with_shared_mono=no
723 fi
724
725 if test "x$enable_libraries" = "xno"; then
726    with_shared_mono=no
727 fi
728
729 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
730
731 case $host in
732 *nacl* ) with_shared_mono=yes;;
733 esac
734
735 if test "x$host_win32" = "xyes"; then
736    # Boehm GC requires the runtime to be in its own dll
737    with_static_mono=no
738 fi
739
740 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
741 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
742 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
743
744 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
745 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
746         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
747         ORIG_CFLAGS=$CFLAGS
748         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
749         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
750         AC_TRY_COMPILE([], [
751                 return 0;
752         ], [
753            AC_MSG_RESULT(yes)
754            # Pass it to libgc as well
755            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
756         ], [
757            AC_MSG_RESULT(no)
758            CFLAGS=$ORIG_CFLAGS
759         ])
760 fi
761
762 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
763
764 if test x$enable_small_config = xyes; then
765         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
766         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
767 fi
768
769 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=$enableval, enable_system_aot=default)
770
771 DISABLED_FEATURES=none
772
773 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
774      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
775      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
776          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
777 [
778         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
779                 eval "mono_feature_disable_$feature='yes'"
780         done
781         DISABLED_FEATURES=$enable_minimal
782         disabled="Disabled:      $enable_minimal"
783 ],[])
784
785 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
786
787 if test "x$mono_feature_disable_aot" = "xyes"; then
788         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
789         AC_MSG_NOTICE([Disabled AOT compiler])
790 fi
791
792 if test "x$mono_feature_disable_profiler" = "xyes"; then
793         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
794         AC_MSG_NOTICE([Disabled support for the profiler])
795 fi
796 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
797
798 if test "x$mono_feature_disable_decimal" = "xyes"; then
799         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
800         AC_MSG_NOTICE([Disabled support for decimal])
801 fi
802
803 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
804         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
805         AC_MSG_NOTICE([Disabled support for P/Invoke])
806 fi
807
808 if test "x$mono_feature_disable_debug" = "xyes"; then
809         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
810         AC_MSG_NOTICE([Disabled support for runtime debugging])
811 fi
812
813 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
814         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
815         mono_feature_disable_reflection_emit_save=yes
816         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
817 fi
818
819 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
820         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
821         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
822 fi
823
824 if test "x$mono_feature_disable_large_code" = "xyes"; then
825         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
826         AC_MSG_NOTICE([Disabled support for large assemblies])
827 fi
828
829 if test "x$mono_feature_disable_logging" = "xyes"; then
830         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
831         AC_MSG_NOTICE([Disabled support for logging])
832 fi
833
834 if test "x$mono_feature_disable_com" = "xyes"; then
835         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
836         AC_MSG_NOTICE([Disabled COM support])
837 fi
838
839 if test "x$mono_feature_disable_ssa" = "xyes"; then
840         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
841         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
842 fi
843
844 if test "x$mono_feature_disable_generics" = "xyes"; then
845         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
846         AC_MSG_NOTICE([Disabled Generics Support])
847 fi
848
849 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
850         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
851         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
852 fi
853
854 if test "x$mono_feature_disable_portability" = "xyes"; then
855         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
856         AC_MSG_NOTICE([Disabled IO Portability layer])
857 fi
858
859 if test "x$mono_feature_disable_attach" = "xyes"; then
860         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
861         AC_MSG_NOTICE([Disabled agent attach])
862 fi
863
864 if test "x$mono_feature_disable_full_messages" = "xyes"; then
865         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
866         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
867 fi
868
869 if test "x$mono_feature_disable_verifier" = "xyes"; then
870         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
871         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
872 fi
873
874 if test "x$mono_feature_disable_jit" = "xyes"; then
875         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
876         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
877 fi
878
879 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
880
881 if test "x$mono_feature_disable_simd" = "xyes"; then
882         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
883         AC_MSG_NOTICE([Disabled SIMD support])
884 fi
885
886 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
887         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
888         AC_MSG_NOTICE([Disabled Soft Debugger.])
889 fi
890
891 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
892         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
893         AC_MSG_NOTICE([Disabled Performance Counters.])
894 fi
895 if test "x$mono_feature_disable_normalization" = "xyes"; then
896         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
897         AC_MSG_NOTICE([Disabled String normalization support.])
898 fi
899
900 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
901         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
902         AC_MSG_NOTICE([Disabled Assembly remapping.])
903 fi
904
905 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
906         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
907         AC_MSG_NOTICE([Disabled Shared perfcounters.])
908 fi
909
910 if test "x$mono_feature_disable_appdomains" = "xyes"; then
911         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
912         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
913 fi
914
915 if test "x$mono_feature_disable_remoting" = "xyes"; then
916         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
917         AC_MSG_NOTICE([Disabled remoting])
918 fi
919
920 if test "x$mono_feature_disable_security" = "xyes"; then
921         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
922         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
923 fi
924
925 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
926         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
927         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
928 fi
929
930 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
931         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
932         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
933 fi
934
935 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
936         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
937         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
938 fi
939
940 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
941         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
942         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
943 fi
944
945 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
946         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
947         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
948 fi
949
950 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
951 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
952
953 has_extension_module=no
954 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
955 [
956         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
957                 if test x$extension = xdefault ; then
958                         has_extension_module=yes;
959                 fi
960         done
961         if test x$enable_extension_module = xyes; then
962                 has_extension_module=yes;
963         fi
964 ], [])
965
966 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
967
968 if test x$has_extension_module != xno ; then
969         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
970         AC_MSG_NOTICE([Enabling mono extension module.])
971 fi
972
973 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
974 if test x$enable_gsharing = xyes; then
975         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
976 fi
977
978 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
979 if test x$enable_native_types = xyes; then
980         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
981 fi
982
983 AC_MSG_CHECKING(for visibility __attribute__)
984 AC_COMPILE_IFELSE([
985         AC_LANG_SOURCE([[
986                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
987                 int main () { doit (); return 0; }
988         ]])
989 ], [
990    have_visibility_hidden=yes
991    AC_MSG_RESULT(yes)
992 ], [
993    have_visibility_hidden=no
994    AC_MSG_RESULT(no)
995 ])
996
997 AC_MSG_CHECKING(for deprecated __attribute__)
998 AC_TRY_COMPILE([
999      int doit (void) __attribute__ ((deprecated));
1000      int doit (void) { return 0; }
1001 ], [
1002         return 0;
1003 ], [
1004    have_deprecated=yes
1005    AC_MSG_RESULT(yes)
1006 ], [
1007    have_deprecated=no
1008    AC_MSG_RESULT(no)
1009 ])
1010
1011 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1012 if test x$enable_parallel_mark = xyes; then
1013         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1014 fi
1015
1016 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1017 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1018
1019 dnl
1020 dnl Boehm GC configuration
1021 dnl
1022 LIBGC_CPPFLAGS=
1023 LIBGC_LIBS=
1024 LIBGC_STATIC_LIBS=
1025 libgc_dir=
1026 case "x$gc" in
1027         xboehm|xbohem|xyes)
1028                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1029                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1030
1031                 if test "x$found_boehm" != "xyes"; then
1032                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1033                 fi
1034                 if test "x$gc_headers" != "xyes"; then
1035                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1036                 fi
1037
1038                 LIBGC_LIBS="-lgc $libdl"
1039                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1040                 libmono_ldflags="$libmono_ldflags -lgc"
1041                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1042
1043                 # AC_CHECK_FUNCS does not work for some reason...
1044                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1045                 if test "x$found_gcj_malloc" = "xyes"; then
1046                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1047                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1048                         gc_msg="System Boehm with typed GC"
1049                 else
1050                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1051                         gc_msg="System Boehm (without typed GC)"
1052                 fi
1053                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1054                 if test "x$found_gc_enable" = "xyes"; then
1055                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1056                 fi
1057
1058                 # check whether we need to explicitly allow
1059                 # thread registering
1060                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1061                 if test "x$found_allow_register_threads" = "xyes"; then
1062                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1063                 fi
1064
1065                 ;;
1066
1067         xincluded)
1068                 use_included_gc=yes
1069                 libgc_dir=libgc
1070
1071                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1072                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1073                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1074
1075                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1076
1077                 if test x$target_win32 = xyes; then
1078                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1079                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1080                 fi
1081
1082                 gc_msg="bundled Boehm GC with typed GC"
1083                 if test x$enable_parallel_mark = xyes; then
1084                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1085                         gc_msg="$gc_msg and parallel mark"
1086                 else
1087                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1088                 fi
1089                 ;;
1090
1091         xsgen)
1092                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1093                 ;;
1094
1095         xnone)
1096                 AC_MSG_WARN("Compiling mono without GC.")
1097                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1098                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1099                 gc_msg="none"
1100                 ;;
1101         *)
1102                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1103                 ;;
1104 esac
1105
1106 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1107 if test "x$large_heap" = "xyes"; then
1108    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1109 fi
1110
1111 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1112 AC_SUBST(LIBGC_CPPFLAGS)
1113 AC_SUBST(LIBGC_LIBS)
1114 AC_SUBST(LIBGC_STATIC_LIBS)
1115 AC_SUBST(libgc_dir)
1116 AC_SUBST(BOEHM_DEFINES)
1117
1118 dnl
1119 dnl End of libgc checks
1120 dnl
1121
1122 dnl *************************************
1123 dnl *** Checks for zero length arrays ***
1124 dnl *************************************
1125 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1126 AC_TRY_COMPILE([
1127         struct s {
1128                 int  length;
1129                 char data [0];
1130         };
1131 ], [], [
1132         AC_MSG_RESULT(yes)
1133         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1134 ], [
1135         AC_MSG_RESULT(no)
1136         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1137 ])
1138
1139 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1140
1141 if test x$target_win32 = xno; then
1142
1143         dnl hires monotonic clock support
1144         AC_SEARCH_LIBS(clock_gettime, rt)
1145
1146         dnl dynamic loader support
1147         AC_CHECK_FUNC(dlopen, DL_LIB="",
1148                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1149         )
1150         if test x$dl_support = xno; then
1151                 AC_MSG_WARN([No dynamic loading support available])
1152         else
1153                 LIBS="$LIBS $DL_LIB"
1154                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1155                 dnl from glib's configure.ac
1156                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1157                         mono_cv_uscore,[
1158                         AC_TRY_RUN([#include <dlfcn.h>
1159                         int mono_underscore_test (void) { return 42; }
1160                         int main() {
1161                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1162                           handle = dlopen ((void*)0, 0);
1163                           if (handle) {
1164                             f1 = dlsym (handle, "mono_underscore_test");
1165                             f2 = dlsym (handle, "_mono_underscore_test");
1166                           } return (!f2 || f1);
1167                         }],
1168                                 [mono_cv_uscore=yes],
1169                                 [mono_cv_uscore=no],
1170                         [])
1171                 ])
1172                 if test "x$mono_cv_uscore" = "xyes"; then
1173                         MONO_DL_NEED_USCORE=1
1174                 else
1175                         MONO_DL_NEED_USCORE=0
1176                 fi
1177                 AC_SUBST(MONO_DL_NEED_USCORE)
1178                 AC_CHECK_FUNC(dlerror)
1179         fi
1180
1181         dnl ******************************************************************
1182         dnl *** Checks for the IKVM JNI interface library                  ***
1183         dnl ******************************************************************
1184         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])
1185
1186         ikvm_native_dir=
1187         if test x$with_ikvm_native = xyes; then
1188                 ikvm_native_dir=ikvm-native
1189                 jdk_headers_found="IKVM Native"
1190         fi
1191
1192         AC_SUBST(ikvm_native_dir)
1193
1194         AC_CHECK_HEADERS(execinfo.h)
1195
1196         AC_CHECK_HEADERS(sys/auxv.h)
1197
1198         AC_CHECK_FUNCS(getgrgid_r)
1199         AC_CHECK_FUNCS(getgrnam_r)
1200         AC_CHECK_FUNCS(getpwnam_r)
1201         AC_CHECK_FUNCS(getpwuid_r)
1202         AC_CHECK_FUNCS(getresuid)
1203         AC_CHECK_FUNCS(setresuid)
1204         AC_CHECK_FUNCS(kqueue)
1205         AC_CHECK_FUNCS(backtrace_symbols)
1206         AC_CHECK_FUNCS(mkstemp)
1207         AC_CHECK_FUNCS(mmap)
1208         AC_CHECK_FUNCS(madvise)
1209         AC_CHECK_FUNCS(getrusage)
1210         AC_CHECK_FUNCS(getpriority)
1211         AC_CHECK_FUNCS(setpriority)
1212         AC_CHECK_FUNCS(dl_iterate_phdr)
1213         AC_CHECK_FUNCS(dladdr)
1214         AC_CHECK_FUNCS(sysconf)
1215
1216         AC_CHECK_FUNCS(sched_setaffinity)
1217         AC_CHECK_FUNCS(sched_getcpu)
1218
1219         dnl ****************************************************************
1220         dnl *** Check for sched_setaffinity from glibc versions before   ***
1221         dnl *** 2.3.4. The older versions of the function only take 2    ***
1222         dnl *** parameters, not 3.                                       ***
1223         dnl ***                                                          ***
1224         dnl *** Because the interface change was not made in a minor     ***
1225         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1226         dnl *** won't always indicate the interface sched_affinity has.  ***
1227         dnl ****************************************************************
1228         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1229         AC_TRY_COMPILE([#include <sched.h>], [
1230             int mask = 1; 
1231             sched_setaffinity(0, &mask);
1232                         return 0;
1233         ], [
1234                 # Yes, we have it...
1235                 AC_MSG_RESULT(yes)
1236                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1237         ], [
1238                 # We have the new, three-parameter version
1239                 AC_MSG_RESULT(no)
1240         ])
1241
1242
1243         dnl ******************************************************************
1244         dnl *** Check for large file support                               ***
1245         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1246         dnl ******************************************************************
1247         
1248         # Check that off_t can represent 2**63 - 1 correctly, working around
1249         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1250         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1251         large_offt=no
1252         AC_DEFUN([LARGE_FILES], [
1253                 large_CPPFLAGS=$CPPFLAGS
1254                 CPPFLAGS="$CPPFLAGS $1"
1255                 AC_TRY_COMPILE([
1256                         #include <sys/types.h>
1257                         #include <limits.h>
1258                 ], [
1259                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1260                         #define COMPILE_TIME_ASSERT(pred) \
1261                                 switch(0){case 0:case pred:;}
1262                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1263                 ], [
1264                         AC_MSG_RESULT(ok)
1265                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1266                         large_CPPFLAGS="$large_CPPFLAGS $1"
1267                         large_offt=yes
1268                 ], [
1269                         AC_MSG_RESULT(no)
1270                 ])
1271                 CPPFLAGS=$large_CPPFLAGS
1272         ])
1273
1274         AC_MSG_CHECKING(if off_t is 64 bits wide)
1275         LARGE_FILES("")
1276         if test $large_offt = no; then
1277                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1278                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1279         fi
1280         if test $large_offt = no; then
1281                 AC_MSG_WARN([No 64 bit file size support available])
1282         fi
1283         
1284         dnl *****************************
1285         dnl *** Checks for libsocket  ***
1286         dnl *****************************
1287         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1288
1289         case "$host" in
1290                 *-*-*freebsd*)
1291                         dnl *****************************
1292                         dnl *** Checks for libinotify ***
1293                         dnl *****************************
1294                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1295         esac
1296
1297         dnl *******************************
1298         dnl *** Checks for MSG_NOSIGNAL ***
1299         dnl *******************************
1300         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1301         AC_TRY_COMPILE([#include <sys/socket.h>], [
1302                 int f = MSG_NOSIGNAL;
1303         ], [
1304                 # Yes, we have it...
1305                 AC_MSG_RESULT(yes)
1306                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1307         ], [
1308                 # We'll have to use signals
1309                 AC_MSG_RESULT(no)
1310         ])
1311
1312         dnl *****************************
1313         dnl *** Checks for IPPROTO_IP ***
1314         dnl *****************************
1315         AC_MSG_CHECKING(for IPPROTO_IP)
1316         AC_TRY_COMPILE([#include <netinet/in.h>], [
1317                 int level = IPPROTO_IP;
1318         ], [
1319                 # Yes, we have it...
1320                 AC_MSG_RESULT(yes)
1321                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1322         ], [
1323                 # We'll have to use getprotobyname
1324                 AC_MSG_RESULT(no)
1325         ])
1326
1327         dnl *******************************
1328         dnl *** Checks for IPPROTO_IPV6 ***
1329         dnl *******************************
1330         AC_MSG_CHECKING(for IPPROTO_IPV6)
1331         AC_TRY_COMPILE([#include <netinet/in.h>], [
1332                 int level = IPPROTO_IPV6;
1333         ], [
1334                 # Yes, we have it...
1335                 AC_MSG_RESULT(yes)
1336                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1337         ], [
1338                 # We'll have to use getprotobyname
1339                 AC_MSG_RESULT(no)
1340         ])
1341
1342         dnl ******************************
1343         dnl *** Checks for IPPROTO_TCP ***
1344         dnl ******************************
1345         AC_MSG_CHECKING(for IPPROTO_TCP)
1346         AC_TRY_COMPILE([#include <netinet/in.h>], [
1347                 int level = IPPROTO_TCP;
1348         ], [
1349                 # Yes, we have it...
1350                 AC_MSG_RESULT(yes)
1351                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1352         ], [
1353                 # We'll have to use getprotobyname
1354                 AC_MSG_RESULT(no)
1355         ])
1356
1357         dnl *****************************
1358         dnl *** Checks for SOL_IP     ***
1359         dnl *****************************
1360         AC_MSG_CHECKING(for SOL_IP)
1361         AC_TRY_COMPILE([#include <netdb.h>], [
1362                 int level = SOL_IP;
1363         ], [
1364                 # Yes, we have it...
1365                 AC_MSG_RESULT(yes)
1366                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1367         ], [
1368                 # We'll have to use getprotobyname
1369                 AC_MSG_RESULT(no)
1370         ])
1371
1372         dnl *****************************
1373         dnl *** Checks for SOL_IPV6     ***
1374         dnl *****************************
1375         AC_MSG_CHECKING(for SOL_IPV6)
1376         AC_TRY_COMPILE([#include <netdb.h>], [
1377                 int level = SOL_IPV6;
1378         ], [
1379                 # Yes, we have it...
1380                 AC_MSG_RESULT(yes)
1381                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1382         ], [
1383                 # We'll have to use getprotobyname
1384                 AC_MSG_RESULT(no)
1385         ])
1386
1387         dnl *****************************
1388         dnl *** Checks for SOL_TCP    ***
1389         dnl *****************************
1390         AC_MSG_CHECKING(for SOL_TCP)
1391         AC_TRY_COMPILE([#include <netdb.h>], [
1392                 int level = SOL_TCP;
1393         ], [
1394                 # Yes, we have it...
1395                 AC_MSG_RESULT(yes)
1396                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1397         ], [
1398                 # We'll have to use getprotobyname
1399                 AC_MSG_RESULT(no)
1400         ])
1401
1402         dnl *****************************
1403         dnl *** Checks for IP_PKTINFO ***
1404         dnl *****************************
1405         AC_MSG_CHECKING(for IP_PKTINFO)
1406         AC_TRY_COMPILE([#include <linux/in.h>], [
1407                 int level = IP_PKTINFO;
1408         ], [
1409                 # Yes, we have it...
1410                 AC_MSG_RESULT(yes)
1411                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1412         ], [
1413                 AC_MSG_RESULT(no)
1414         ])
1415
1416         dnl *****************************
1417         dnl *** Checks for IPV6_PKTINFO ***
1418         dnl *****************************
1419         AC_MSG_CHECKING(for IPV6_PKTINFO)
1420         AC_TRY_COMPILE([#include <netdb.h>], [
1421                 int level = IPV6_PKTINFO;
1422         ], [
1423                 # Yes, we have it...
1424                 AC_MSG_RESULT(yes)
1425                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1426         ], [
1427                 AC_MSG_RESULT(no)
1428         ])
1429
1430         dnl **********************************
1431         dnl *** Checks for IP_DONTFRAG     ***
1432         dnl **********************************
1433         AC_MSG_CHECKING(for IP_DONTFRAG)
1434         AC_TRY_COMPILE([#include <netinet/in.h>], [
1435                 int level = IP_DONTFRAG;
1436         ], [
1437                 # Yes, we have it...
1438                 AC_MSG_RESULT(yes)
1439                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1440         ], [
1441                 AC_MSG_RESULT(no)
1442         ])
1443
1444         dnl **********************************
1445         dnl *** Checks for IP_DONTFRAGMENT ***
1446         dnl **********************************
1447         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1448         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1449                 int level = IP_DONTFRAGMENT;
1450         ], [
1451                 # Yes, we have it...
1452                 AC_MSG_RESULT(yes)
1453                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1454         ], [
1455                 AC_MSG_RESULT(no)
1456         ])
1457
1458         dnl **********************************
1459         dnl *** Checks for IP_MTU_DISCOVER ***
1460         dnl **********************************
1461         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1462         AC_TRY_COMPILE([#include <linux/in.h>], [
1463                 int level = IP_MTU_DISCOVER;
1464         ], [
1465                 # Yes, we have it...
1466                 AC_MSG_RESULT(yes)
1467                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1468         ], [
1469                 AC_MSG_RESULT(no)
1470         ])
1471
1472         dnl **********************************
1473         dnl *** Checks for  IP_PMTUDISC_DO ***
1474         dnl **********************************
1475         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1476         AC_TRY_COMPILE([#include <linux/in.h>], [
1477                 int level = IP_PMTUDISC_DO;
1478         ], [
1479                 # Yes, we have it...
1480                 AC_MSG_RESULT(yes)
1481                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1482         ], [
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl *********************************
1487         dnl *** Check for struct ip_mreqn ***
1488         dnl *********************************
1489         AC_MSG_CHECKING(for struct ip_mreqn)
1490         AC_TRY_COMPILE([#include <netinet/in.h>], [
1491                 struct ip_mreqn mreq;
1492                 mreq.imr_address.s_addr = 0;
1493         ], [
1494                 # Yes, we have it...
1495                 AC_MSG_RESULT(yes)
1496                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1497         ], [
1498                 # We'll just have to try and use struct ip_mreq
1499                 AC_MSG_RESULT(no)
1500                 AC_MSG_CHECKING(for struct ip_mreq)
1501                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1502                         struct ip_mreq mreq;
1503                         mreq.imr_interface.s_addr = 0;
1504                 ], [
1505                         # Yes, we have it...
1506                         AC_MSG_RESULT(yes)
1507                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1508                 ], [
1509                         # No multicast support
1510                         AC_MSG_RESULT(no)
1511                 ])
1512         ])
1513         
1514         dnl **********************************
1515         dnl *** Check for gethostbyname2_r ***
1516         dnl **********************************
1517         AC_MSG_CHECKING(for gethostbyname2_r)
1518                 AC_TRY_LINK([#include <netdb.h>], [
1519                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1520         ], [
1521                 # Yes, we have it...
1522                 AC_MSG_RESULT(yes)
1523                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1524         ], [
1525                 AC_MSG_RESULT(no)
1526         ])
1527
1528         dnl *****************************
1529         dnl *** Checks for libnsl     ***
1530         dnl *****************************
1531         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1532
1533         AC_CHECK_FUNCS(inet_pton inet_aton)
1534
1535         dnl *****************************
1536         dnl *** Checks for libxnet    ***
1537         dnl *****************************
1538         case "${host}" in
1539                 *solaris* )
1540                         AC_MSG_CHECKING(for Solaris XPG4 support)
1541                         if test -f /usr/lib/libxnet.so; then
1542                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1543                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1544                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1545                                 LIBS="$LIBS -lxnet"
1546                                 AC_MSG_RESULT(yes)
1547                         else
1548                                 AC_MSG_RESULT(no)
1549                         fi
1550
1551                         if test "$GCC" = "yes"; then
1552                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1553                         fi
1554                 ;;
1555         esac
1556
1557         dnl *****************************
1558         dnl *** Checks for libpthread ***
1559         dnl *****************************
1560 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1561 # and libpthread does not exist
1562 #
1563         case "${host}" in
1564                 *-*-*freebsd*)
1565                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1566                 ;;
1567                 *-*-*openbsd*)
1568                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1569                 ;;
1570                 *)
1571                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1572                 ;;
1573         esac
1574         AC_CHECK_HEADERS(pthread.h)
1575         AC_CHECK_HEADERS(pthread_np.h)
1576         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1577         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1578         AC_CHECK_FUNCS(pthread_kill)
1579         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1580         AC_TRY_COMPILE([ #include <pthread.h>], [
1581                 pthread_mutexattr_t attr;
1582                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1583         ], [
1584                 AC_MSG_RESULT(ok)
1585         ], [
1586                 AC_MSG_RESULT(no)
1587                 AC_ERROR(Posix system lacks support for recursive mutexes)
1588         ])
1589         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1590         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1591         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1592
1593         dnl ***********************************
1594         dnl *** Checks for signals
1595         dnl ***********************************
1596         AC_CHECK_HEADERS(signal.h)
1597         AC_CHECK_FUNCS(sigaction)
1598
1599         dnl ***********************************
1600         dnl *** Checks for working __thread ***
1601         dnl ***********************************
1602         AC_MSG_CHECKING(for working __thread)
1603         if test "x$with_tls" != "x__thread"; then
1604                 AC_MSG_RESULT(disabled)
1605         elif test "x$cross_compiling" = "xyes"; then
1606                 AC_MSG_RESULT(cross compiling, assuming yes)
1607         else
1608                 AC_TRY_RUN([
1609                         #if defined(__APPLE__) && defined(__clang__)
1610                         #error "__thread does not currently work with clang on Mac OS X"
1611                         #endif
1612                         
1613                         #include <pthread.h>
1614                         __thread int i;
1615                         static int res1, res2;
1616
1617                         void thread_main (void *arg)
1618                         {
1619                                 i = arg;
1620                                 sleep (1);
1621                                 if (arg == 1)
1622                                         res1 = (i == arg);
1623                                 else
1624                                         res2 = (i == arg);
1625                         }
1626
1627                         int main () {
1628                                 pthread_t t1, t2;
1629
1630                                 i = 5;
1631
1632                                 pthread_create (&t1, NULL, thread_main, 1);
1633                                 pthread_create (&t2, NULL, thread_main, 2);
1634
1635                                 pthread_join (t1, NULL);
1636                                 pthread_join (t2, NULL);
1637
1638                                 return !(res1 + res2 == 2);
1639                         }
1640                 ], [
1641                                 AC_MSG_RESULT(yes)
1642                 ], [
1643                                 AC_MSG_RESULT(no)
1644                                 with_tls=pthread
1645                 ])
1646         fi
1647
1648         dnl **************************************
1649         dnl *** Checks for working sigaltstack ***
1650         dnl **************************************
1651         AC_MSG_CHECKING(for working sigaltstack)
1652         if test "x$with_sigaltstack" != "xyes"; then
1653                 AC_MSG_RESULT(disabled)
1654         elif test "x$cross_compiling" = "xyes"; then
1655                 AC_MSG_RESULT(cross compiling, assuming yes)
1656         else
1657                 AC_TRY_RUN([
1658                         #include <stdio.h>
1659                         #include <stdlib.h>
1660                         #include <unistd.h>
1661                         #include <signal.h>
1662                         #include <pthread.h>
1663                         #include <sys/wait.h>
1664                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1665                         #define SA_STACK SA_ONSTACK
1666                         #endif
1667                         static void
1668                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1669                         {
1670                                 exit (0);
1671                         }
1672
1673                         volatile char*__ptr = NULL;
1674                         static void *
1675                         loop (void *ignored)
1676                         {
1677                                 *__ptr = 0;
1678                                 return NULL;
1679                         }
1680
1681                         static void
1682                         child ()
1683                         {
1684                                 struct sigaction sa;
1685                         #ifdef __APPLE__
1686                                 stack_t sas;
1687                         #else
1688                                 struct sigaltstack sas;
1689                         #endif
1690                                 pthread_t id;
1691                                 pthread_attr_t attr;
1692
1693                                 sa.sa_sigaction = sigsegv_signal_handler;
1694                                 sigemptyset (&sa.sa_mask);
1695                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1696                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1697                                         perror ("sigaction");
1698                                         return;
1699                                 }
1700
1701                                 /* x86 darwin deliver segfaults using SIGBUS */
1702                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1703                                         perror ("sigaction");
1704                                         return;
1705                                 }
1706                                 sas.ss_sp = malloc (SIGSTKSZ);
1707                                 sas.ss_size = SIGSTKSZ;
1708                                 sas.ss_flags = 0;
1709                                 if (sigaltstack (&sas, NULL) == -1) {
1710                                         perror ("sigaltstack");
1711                                         return;
1712                                 }
1713
1714                                 pthread_attr_init (&attr);
1715                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1716                                         printf ("pthread_create\n");
1717                                         return;
1718                                 }
1719
1720                                 sleep (100);
1721                         }
1722
1723                         int
1724                         main ()
1725                         {
1726                                 pid_t son;
1727                                 int status;
1728                                 int i;
1729
1730                                 son = fork ();
1731                                 if (son == -1) {
1732                                         return 1;
1733                                 }
1734
1735                                 if (son == 0) {
1736                                         child ();
1737                                         return 0;
1738                                 }
1739
1740                                 for (i = 0; i < 300; ++i) {
1741                                         waitpid (son, &status, WNOHANG);
1742                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1743                                                 return 0;
1744                                         usleep (10000);
1745                                 }
1746
1747                                 kill (son, SIGKILL);
1748                                 return 1;
1749                         }
1750
1751                 ], [
1752                                 AC_MSG_RESULT(yes)
1753                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1754                 ], [
1755                                 with_sigaltstack=no
1756                                 AC_MSG_RESULT(no)
1757                 ])
1758         fi
1759
1760         dnl ********************************
1761         dnl *** Checks for semaphore lib ***
1762         dnl ********************************
1763         # 'Real Time' functions on Solaris
1764         # posix4 on Solaris 2.6
1765         # pthread (first!) on Linux
1766         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1767
1768         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1769         AC_CHECK_FUNCS(shm_open)
1770
1771         dnl ********************************
1772         dnl *** Checks for timezone stuff **
1773         dnl ********************************
1774         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1775                 AC_TRY_COMPILE([
1776                         #include <time.h>
1777                         ], [
1778                         struct tm tm;
1779                         tm.tm_gmtoff = 1;
1780                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1781         if test $ac_cv_struct_tm_gmtoff = yes; then
1782                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1783         else
1784                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1785                         AC_TRY_COMPILE([
1786                                 #include <time.h>
1787                         ], [
1788                                 timezone = 1;
1789                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1790                 if test $ac_cv_var_timezone = yes; then
1791                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1792                 else
1793                         AC_ERROR(unable to find a way to determine timezone)
1794                 fi
1795         fi
1796
1797         dnl *********************************
1798         dnl *** Checks for math functions ***
1799         dnl *********************************
1800         AC_SEARCH_LIBS(sqrtf, m)
1801         if test "x$has_broken_apple_cpp" != "xyes"; then
1802                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1803                         AC_TRY_LINK([#include <math.h>], 
1804                         [ finite(0.0); ], 
1805                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1806                         AC_MSG_RESULT(no)))
1807         fi
1808         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1809                 AC_TRY_LINK([#include <math.h>], 
1810                 [ isfinite(0.0); ], 
1811                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1812                 AC_MSG_RESULT(no)))
1813
1814         dnl ****************************************************************
1815         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1816         dnl *** have it in the library (duh))                            ***
1817         dnl ****************************************************************
1818         AC_CHECK_FUNCS(poll)
1819
1820         dnl *************************
1821         dnl *** Check for signbit ***
1822         dnl *************************
1823         AC_MSG_CHECKING(for signbit)
1824         AC_TRY_LINK([#include <math.h>], [
1825                 int s = signbit(1.0);
1826         ], [
1827                 AC_MSG_RESULT(yes)
1828                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1829         ], [
1830                 AC_MSG_RESULT(no)
1831         ]) 
1832
1833         dnl **********************************
1834         dnl *** epoll                      ***
1835         dnl **********************************
1836         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1837                 AC_CHECK_HEADERS(sys/epoll.h)
1838                 haveepoll=no
1839                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1840                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1841                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1842                 fi
1843         fi
1844
1845         havekqueue=no
1846
1847         AC_CHECK_HEADERS(sys/event.h)
1848         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1849
1850         dnl **************************************
1851         dnl * Darwin has a race that prevents us from using reliably:
1852         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1853         dnl * Since kqueue is mostly used for scaling large web servers, 
1854         dnl * and very few folks run Mono on large web servers on OSX, falling
1855         dnl * back 
1856         dnl **************************************
1857         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1858                 if test "x$platform_darwin" = "xno"; then
1859                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1860                 fi
1861         fi
1862
1863         dnl ******************************
1864         dnl *** Checks for SIOCGIFCONF ***
1865         dnl ******************************
1866         AC_CHECK_HEADERS(sys/ioctl.h)
1867         AC_CHECK_HEADERS(net/if.h, [], [],
1868            [
1869            #ifdef HAVE_SYS_TYPES_H
1870            # include <sys/types.h>
1871            #endif
1872            #ifdef HAVE_SYS_SOCKET_H
1873            # include <sys/socket.h>
1874            #endif
1875            ])
1876         AC_MSG_CHECKING(for ifreq)
1877         AC_TRY_COMPILE([
1878                 #include <stdio.h>
1879                 #include <sys/ioctl.h>
1880                 #include <net/if.h>
1881                 ], [
1882                 struct ifconf ifc;
1883                 struct ifreq *ifr;
1884                 void *x;
1885                 ifc.ifc_len = 0;
1886                 ifc.ifc_buf = NULL;
1887                 x = (void *) &ifr->ifr_addr;
1888                 ],[
1889                         AC_MSG_RESULT(yes)
1890                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1891                 ], [
1892                         AC_MSG_RESULT(no)
1893                 ])
1894         dnl **********************************
1895         dnl ***     Checks for sin_len     ***
1896         dnl **********************************
1897         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1898         AC_TRY_COMPILE([
1899                 #include <netinet/in.h>
1900                 ], [
1901                 struct sockaddr_in saddr;
1902                 saddr.sin_len = sizeof (saddr);
1903                 ],[
1904                         AC_MSG_RESULT(yes)
1905                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1906                 ], [
1907                         AC_MSG_RESULT(no)
1908                 ])      
1909         dnl **********************************
1910         dnl ***    Checks for sin6_len     ***
1911         dnl **********************************
1912         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1913         AC_TRY_COMPILE([
1914                 #include <netinet/in.h>
1915                 ], [
1916                 struct sockaddr_in6 saddr6;
1917                 saddr6.sin6_len = sizeof (saddr6);
1918                 ],[
1919                         AC_MSG_RESULT(yes)
1920                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1921                 ], [
1922                         AC_MSG_RESULT(no)
1923                 ])
1924         dnl **********************************
1925         dnl *** Check for getifaddrs       ***
1926         dnl **********************************
1927         AC_MSG_CHECKING(for getifaddrs)
1928                 AC_TRY_LINK([
1929                 #include <stdio.h>
1930                 #include <sys/types.h>
1931                 #include <sys/socket.h>
1932                 #include <ifaddrs.h>
1933         ], [
1934                 getifaddrs(NULL);
1935         ], [
1936                 # Yes, we have it...
1937                 AC_MSG_RESULT(yes)
1938                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1939         ], [
1940                 AC_MSG_RESULT(no)
1941         ])
1942         dnl **********************************
1943         dnl *** Check for if_nametoindex   ***
1944         dnl **********************************
1945         AC_MSG_CHECKING(for if_nametoindex)
1946                 AC_TRY_LINK([
1947                 #include <stdio.h>
1948                 #include <sys/types.h>
1949                 #include <sys/socket.h>
1950                 #include <net/if.h>
1951         ], [
1952                 if_nametoindex(NULL);
1953         ], [
1954                 # Yes, we have it...
1955                 AC_MSG_RESULT(yes)
1956                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1957         ], [
1958                 AC_MSG_RESULT(no)
1959         ])
1960                         
1961         dnl **********************************
1962         dnl *** Checks for MonoPosixHelper ***
1963         dnl **********************************
1964         AC_CHECK_HEADERS(checklist.h)
1965         AC_CHECK_HEADERS(pathconf.h)
1966         AC_CHECK_HEADERS(fstab.h)
1967         AC_CHECK_HEADERS(attr/xattr.h)
1968         AC_CHECK_HEADERS(sys/extattr.h)
1969         AC_CHECK_HEADERS(sys/sendfile.h)
1970         AC_CHECK_HEADERS(sys/statvfs.h)
1971         AC_CHECK_HEADERS(sys/statfs.h)
1972         AC_CHECK_HEADERS(sys/vfstab.h)
1973         AC_CHECK_HEADERS(sys/xattr.h)
1974         AC_CHECK_HEADERS(sys/mman.h)
1975         AC_CHECK_HEADERS(sys/param.h)
1976         AC_CHECK_HEADERS(sys/mount.h, [], [],
1977                 [
1978                 #ifdef HAVE_SYS_PARAM_H
1979                 # include <sys/param.h>
1980                 #endif
1981                 ])
1982         AC_CHECK_HEADERS(sys/mount.h)
1983         AC_CHECK_FUNCS(confstr)
1984         AC_CHECK_FUNCS(seekdir telldir)
1985         AC_CHECK_FUNCS(getdomainname)
1986         AC_CHECK_FUNCS(setdomainname)
1987         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1988         AC_CHECK_FUNCS(setgroups)
1989         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1990         AC_CHECK_FUNCS(getfsstat)
1991         AC_CHECK_FUNCS(lutimes futimes)
1992         AC_CHECK_FUNCS(mremap)
1993         AC_CHECK_FUNCS(remap_file_pages)
1994         AC_CHECK_FUNCS(posix_fadvise)
1995         AC_CHECK_FUNCS(posix_fallocate)
1996         AC_CHECK_FUNCS(posix_madvise)
1997         AC_CHECK_FUNCS(vsnprintf)
1998         AC_CHECK_FUNCS(sendfile)
1999         AC_CHECK_FUNCS(gethostid sethostid)
2000         AC_CHECK_FUNCS(sethostname)
2001         AC_CHECK_FUNCS(statfs)
2002         AC_CHECK_FUNCS(fstatfs)
2003         AC_CHECK_FUNCS(statvfs)
2004         AC_CHECK_FUNCS(fstatvfs)
2005         AC_CHECK_FUNCS(stime)
2006         AC_CHECK_FUNCS(strerror_r)
2007         AC_CHECK_FUNCS(ttyname_r)
2008         AC_CHECK_FUNCS(psignal)
2009         AC_CHECK_FUNCS(getlogin_r)
2010         AC_CHECK_FUNCS(lockf)
2011         AC_CHECK_FUNCS(swab)
2012         AC_CHECK_FUNCS(setusershell endusershell)
2013         AC_CHECK_FUNCS(futimens utimensat)
2014         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2015         AC_CHECK_FUNCS(readv writev preadv pwritev)
2016         AC_CHECK_FUNCS(setpgid)
2017         AC_CHECK_SIZEOF(size_t)
2018         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2019                 [#include <sys/types.h>
2020                  #include <sys/stat.h>
2021                  #include <unistd.h>])
2022         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2023                 [#include <sys/types.h>
2024                  #include <sys/stat.h>
2025                  #include <unistd.h>])
2026         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2027                 [#include <sys/time.h>])
2028         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2029                 [#include <unistd.h>
2030                  #include <fcntl.h>])
2031         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2032                 [#include <sys/uio.h>])
2033         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2034                 [#include <sys/poll.h>])
2035         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2036                 [#include <sys/types.h>
2037                  #include <sys/stat.h>
2038                  #include <unistd.h>])
2039         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2040                 [#include <time.h>])
2041         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2042                 [#include <sys/time.h>
2043                  #include <sys/types.h>
2044                  #include <utime.h>])
2045         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2046                 [#include <sys/time.h>])
2047         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2048                 [#include <sys/types.h>
2049                  #include <utime.h>])
2050         AC_CHECK_MEMBERS(
2051                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2052                 [#include <sys/types.h>
2053                  #include <dirent.h>])
2054         AC_CHECK_MEMBERS(
2055                 [struct passwd.pw_gecos],,, 
2056                 [#include <sys/types.h>
2057                  #include <pwd.h>])
2058         AC_CHECK_MEMBERS(
2059                 [struct statfs.f_flags],,, 
2060                 [#include <sys/types.h>
2061                  #include <sys/vfs.h>])
2062         AC_CHECK_MEMBERS(
2063                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2064                 [#include <sys/types.h>
2065                  #include <sys/stat.h>
2066                  #include <unistd.h>])
2067
2068         dnl Favour xattr through glibc, but use libattr if we have to
2069         AC_CHECK_FUNC(lsetxattr, ,
2070                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2071         )
2072         AC_SUBST(XATTR_LIB)
2073
2074         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2075         AC_CHECK_MEMBERS(
2076                 [struct kinfo_proc.kp_proc],,, 
2077                 [#include <sys/types.h>
2078                  #include <sys/param.h>
2079                  #include <sys/sysctl.h>
2080                  #include <sys/proc.h>
2081                  ])
2082
2083         dnl *********************************
2084         dnl *** Checks for Windows compilation ***
2085         dnl *********************************
2086         AC_CHECK_HEADERS(sys/time.h)
2087         AC_CHECK_HEADERS(sys/param.h)
2088         AC_CHECK_HEADERS(dirent.h)
2089
2090         dnl ******************************************
2091         dnl *** Checks for OSX and iOS compilation ***
2092         dnl ******************************************
2093         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2094
2095         dnl *********************************
2096         dnl *** Check for Console 2.0 I/O ***
2097         dnl *********************************
2098         AC_CHECK_HEADERS([curses.h])
2099         AC_CHECK_HEADERS([term.h], [], [],
2100         [#if HAVE_CURSES_H
2101          #include <curses.h>
2102          #endif
2103         ])
2104         AC_CHECK_HEADERS([termios.h])
2105
2106         dnl * This is provided in io-layer, but on windows it's only available
2107         dnl * on xp+
2108         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2109 else
2110         dnl *********************************
2111         dnl *** Checks for Windows compilation ***
2112         dnl *********************************
2113         AC_CHECK_HEADERS(winternl.h)
2114
2115         jdk_headers_found=no
2116         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2117         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2118         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2119         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2120         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2121         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2122         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2123
2124         dnl *********************************
2125         dnl *** Check for struct ip_mreqn ***
2126         dnl *********************************
2127         AC_MSG_CHECKING(for struct ip_mreqn)
2128         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2129                 struct ip_mreqn mreq;
2130                 mreq.imr_address.s_addr = 0;
2131         ], [
2132                 # Yes, we have it...
2133                 AC_MSG_RESULT(yes)
2134                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2135         ], [
2136                 # We'll just have to try and use struct ip_mreq
2137                 AC_MSG_RESULT(no)
2138                 AC_MSG_CHECKING(for struct ip_mreq)
2139                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2140                         struct ip_mreq mreq;
2141                         mreq.imr_interface.s_addr = 0;
2142                 ], [
2143                         # Yes, we have it...
2144                         AC_MSG_RESULT(yes)
2145                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2146                 ], [
2147                         # No multicast support
2148                         AC_MSG_RESULT(no)
2149                 ])
2150         ])
2151         AC_CHECK_FUNCS(GetProcessId)
2152         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2153         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2154         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2155         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2156         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2157         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2158         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2159 fi
2160
2161 dnl socklen_t check
2162 AC_MSG_CHECKING(for socklen_t)
2163 AC_TRY_COMPILE([
2164 #include <sys/types.h>
2165 #include <sys/socket.h>
2166 ],[
2167   socklen_t foo;
2168 ],[
2169 ac_cv_c_socklen_t=yes
2170         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2171         AC_MSG_RESULT(yes)
2172 ],[
2173         AC_MSG_RESULT(no)
2174 ])
2175
2176 AC_MSG_CHECKING(for array element initializer support)
2177 AC_TRY_COMPILE([#include <sys/socket.h>], [
2178         const int array[] = {[1] = 2,};
2179 ], [
2180         # Yes, we have it...
2181         AC_MSG_RESULT(yes)
2182         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2183 ], [
2184         # We'll have to use signals
2185         AC_MSG_RESULT(no)
2186 ])
2187
2188 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2189         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2190         AC_TRY_LINK([#include <math.h>], 
2191         [ static void *p = &trunc; ],
2192         [
2193                 AC_DEFINE(HAVE_TRUNC) 
2194                 AC_MSG_RESULT(yes)
2195                 ac_cv_trunc=yes
2196         ],
2197         AC_MSG_RESULT(no)))
2198
2199 if test "x$ac_cv_truncl" != "xyes"; then
2200    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2201 fi
2202
2203 AC_CHECK_FUNCS(round)
2204 AC_CHECK_FUNCS(rint)
2205 AC_CHECK_FUNCS(execvp)
2206
2207 dnl ****************************
2208 dnl *** Look for /dev/random ***
2209 dnl ****************************
2210
2211 AC_MSG_CHECKING([if usage of random device is requested])
2212 AC_ARG_ENABLE(dev-random,
2213 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2214 try_dev_random=$enableval, try_dev_random=yes)
2215
2216 AC_MSG_RESULT($try_dev_random)
2217
2218 case "{$build}" in
2219     *-openbsd*)
2220     NAME_DEV_RANDOM="/dev/srandom"
2221     ;;
2222
2223 dnl Win32 does not have /dev/random, they have their own method...
2224
2225     *-mingw*|*-*-cygwin*)
2226     ac_cv_have_dev_random=no
2227     ;;
2228
2229 dnl Everywhere else, it's /dev/random
2230
2231     *)
2232     NAME_DEV_RANDOM="/dev/random"
2233     ;;
2234 esac
2235
2236 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2237
2238 dnl Now check if the device actually exists
2239
2240 if test "x$try_dev_random" = "xyes"; then
2241     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2242     [if test -r "$NAME_DEV_RANDOM" ; then
2243         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2244     if test "x$ac_cv_have_dev_random" = "xyes"; then
2245         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2246     fi
2247 else
2248     AC_MSG_CHECKING(for random device)
2249     ac_cv_have_dev_random=no
2250     AC_MSG_RESULT(has been disabled)
2251 fi
2252
2253 if test "x$host_win32" = "xyes"; then
2254     AC_DEFINE(HAVE_CRYPT_RNG)
2255 fi
2256
2257 if test "x$ac_cv_have_dev_random" = "xno" \
2258     && test "x$host_win32" = "xno"; then
2259     AC_MSG_WARN([[
2260 ***
2261 *** A system-provided entropy source was not found on this system.
2262 *** Because of this, the System.Security.Cryptography random number generator
2263 *** will throw a NotImplemented exception.
2264 ***
2265 *** If you are seeing this message, and you know your system DOES have an
2266 *** entropy collection in place, please contact <crichton@gimp.org> and
2267 *** provide information about the system and how to access the random device.
2268 ***
2269 *** Otherwise you can install either egd or prngd and set the environment
2270 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2271 ***]])
2272 fi
2273  
2274 AC_MSG_CHECKING([if inter-process shared handles are requested])
2275 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2276 AC_MSG_RESULT($try_shared_handles)
2277 if test "x$try_shared_handles" != "xyes"; then
2278         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2279         AC_SUBST(DISABLE_SHARED_HANDLES)
2280 fi
2281
2282 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2283
2284 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2285 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2286
2287 AC_MSG_CHECKING([if big-arrays are to be enabled])
2288 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2289 if test "x$enable_big_arrays" = "xyes" ; then
2290     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2291         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2292     else
2293         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2294     fi
2295 fi
2296 AC_MSG_RESULT($enable_big_arrays)
2297
2298 dnl **************
2299 dnl *** DTRACE ***
2300 dnl **************
2301
2302 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2303
2304 if test "x$enable_dtrace" = "xyes"; then
2305    if test "x$has_dtrace" = "xno"; then
2306           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2307    fi
2308    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2309    if test "x$DTRACE" = "xno"; then
2310           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2311           enable_dtrace=no
2312    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2313           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2314           enable_dtrace=no
2315    fi
2316 fi
2317
2318 dtrace_g=no
2319 if test "x$enable_dtrace" = "xyes"; then
2320         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2321         DTRACEFLAGS=
2322         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2323                 case "$host" in
2324                         powerpc-*-darwin*)
2325                         DTRACEFLAGS="-arch ppc64"
2326                         ;;
2327                         i*86-*-darwin*)
2328                         DTRACEFLAGS="-arch x86_64"
2329                         ;;
2330                         *)
2331                         DTRACEFLAGS=-64
2332                         ;;
2333                 esac
2334         else
2335                 case "$host" in
2336                         powerpc-*-darwin*)
2337                         DTRACEFLAGS="-arch ppc"
2338                         ;;
2339                         i*86-*-darwin*)
2340                         DTRACEFLAGS="-arch i386"
2341                         ;;
2342                         *)
2343                         DTRACEFLAGS=-32
2344                         ;;
2345                 esac
2346         fi
2347         AC_SUBST(DTRACEFLAGS)
2348         case "$host" in
2349                 *-*-solaris*)
2350                 dtrace_g=yes
2351                 ;;
2352         esac
2353         AC_CHECK_HEADERS([sys/sdt.h])
2354 fi
2355 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2356 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2357
2358 dnl **************
2359 dnl ***  NaCl  ***
2360 dnl **************
2361
2362 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2363 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2364
2365 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2366
2367 dnl
2368 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2369 dnl
2370 nacl_self_host=""
2371 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2372    nacl_self_host="nacl_self_host"
2373 fi
2374 AC_SUBST(nacl_self_host)
2375
2376 if test "x$enable_nacl_codegen" = "xyes"; then
2377    MONO_NACL_ALIGN_MASK_OFF=1
2378    AC_DEFINE(TARGET_NACL, 1, [...])
2379    AC_DEFINE(__native_client_codegen__, 1, [...])
2380 else
2381    MONO_NACL_ALIGN_MASK_OFF=0
2382    AC_DEFINE(__default_codegen__, 1, [...])
2383 fi
2384 if test "x$enable_nacl_gc" = "xyes"; then
2385    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2386       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2387    else
2388       # Not yet implemented
2389       INSTRUMENT_CFLAG=""
2390    fi
2391    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2392 fi
2393 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2394
2395 dnl **************
2396 dnl ***  LLVM  ***
2397 dnl **************
2398
2399 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2400 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2401 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2402
2403 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2404
2405 if test "x$enable_llvm" = "xyes"; then
2406    if test "x$with_llvm" != "x"; then
2407           LLVM_CONFIG=$with_llvm/bin/llvm-config
2408           if test ! -x $LLVM_CONFIG; then
2409                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2410       fi
2411    else
2412       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2413       if test "x$LLVM_CONFIG" = "xno"; then
2414              AC_MSG_ERROR([llvm-config not found.])
2415       fi
2416    fi
2417
2418    llvm_codegen="x86codegen"
2419    case "$target" in
2420    arm*)
2421                 llvm_codegen="armcodegen"
2422                 ;;
2423    esac
2424
2425    # The output of --cflags seems to include optimizations flags too
2426    LLVM_CFLAGS=`$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'`
2427    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2428    # from LLVM classes.
2429    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2430    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2431    # This might include empty lines
2432    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2433    if test "x$host" != "x$target"; then
2434       # No need for jit libs
2435       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2436    else
2437       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2438    fi
2439    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2440
2441    expected_llvm_version="3.4svn-mono-mono/e656cac"
2442
2443    # Should be something like '2.6' or '2.7svn'
2444    llvm_version=`$LLVM_CONFIG --version`
2445    major_version=`echo $llvm_version | cut -c 1`
2446    minor_version=`echo $llvm_version | cut -c 3`
2447    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2448    AC_MSG_CHECKING(LLVM version)
2449    AC_MSG_RESULT($llvm_version)
2450    if echo $llvm_version | grep -q 'mono'; then
2451           if test "x$enable_llvm_version_check" == "xyes"; then
2452                  if test "$llvm_version" != "$expected_llvm_version"; then
2453                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2454                  fi
2455           fi
2456           if test "x$llvm_api_version" = "x"; then
2457                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2458                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2459           else
2460                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2461                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2462           fi
2463    else
2464           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.])
2465    fi
2466
2467    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2468    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2469    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2470
2471    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2472    # llvm's config.h
2473    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2474
2475    AC_SUBST(LLVM_CFLAGS)
2476    AC_SUBST(LLVM_CXXFLAGS)
2477    AC_SUBST(LLVM_LIBS)
2478    AC_SUBST(LLVM_LDFLAGS)
2479    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2480 fi
2481
2482 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2483 if test "x$enable_loadedllvm" = "xyes"; then
2484    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2485 fi
2486 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2487
2488 TARGET="unknown"
2489 ACCESS_UNALIGNED="yes"
2490
2491 JIT_SUPPORTED=no
2492 INTERP_SUPPORTED=no
2493 LIBC="libc.so.6"
2494 INTL="libc.so.6"
2495 SQLITE="libsqlite.so.0"
2496 SQLITE3="libsqlite3.so.0"
2497 X11="libX11.so"
2498 GDKX11="libgdk-x11-2.0.so.0"
2499 GTKX11="libgtk-x11-2.0.so.0"
2500 XINERAMA="libXinerama.so"
2501
2502 sizeof_register="SIZEOF_VOID_P"
2503
2504 jit_wanted=true
2505 interp_wanted=false
2506 sgen_supported=false
2507 boehm_supported=true
2508 case "$host" in
2509         mips*)
2510                 TARGET=MIPS;
2511                 arch_target=mips;
2512                 sgen_supported=true
2513                 ACCESS_UNALIGNED="no"
2514                 JIT_SUPPORTED=yes
2515
2516                 AC_MSG_CHECKING(for mips n32)
2517                 AC_TRY_COMPILE([],[
2518                 #if _MIPS_SIM != _ABIN32
2519                 #error Not mips n32
2520                 #endif
2521                 return 0;
2522                 ],[
2523                 AC_MSG_RESULT(yes)
2524                 sizeof_register=8
2525                 ],[
2526                 AC_MSG_RESULT(no)
2527                 ])
2528                 ;;
2529         i*86-*-*)
2530                 TARGET=X86;
2531                 arch_target=x86;
2532                 JIT_SUPPORTED=yes
2533                 case $host_os in
2534                   solaris*)
2535                         LIBC="libc.so"
2536                         INTL="libintl.so"
2537                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2538                                 TARGET=AMD64
2539                                 arch_target=amd64
2540                         fi
2541
2542                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2543                         # int astruct __attribute__ ((visibility ("hidden")));
2544                         # void foo ()
2545                         # {
2546                         #       void *p = &astruct;
2547                         # }
2548                         # gcc -fPIC --shared -o libfoo.so foo.c
2549                         # yields:
2550                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2551                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2552                         have_visibility_hidden=no
2553                         sgen_supported=true
2554                         ;;
2555                   mingw*|cygwin*)
2556                         sgen_supported=true
2557                         have_visibility_hidden=no                 
2558                         ;;
2559                   haiku*)
2560                         LIBC=libroot.so
2561                         ;;
2562                   linux*)
2563                         sgen_supported=true
2564                         AOT_SUPPORTED="yes"
2565                         ;;
2566                   darwin*)
2567                         sgen_supported=true
2568                         AOT_SUPPORTED="yes"
2569                         ;;
2570                   darwin*|openbsd*|freebsd*)
2571                         sgen_supported=true
2572                         ;;
2573                 esac
2574                 ;;
2575         x86_64-*-* | amd64-*-*)
2576                 TARGET=AMD64;
2577                 arch_target=amd64;
2578                 JIT_SUPPORTED=yes
2579                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2580                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2581                         sizeof_register=8
2582                 fi
2583                 case $host_os in
2584                   linux*)
2585                         sgen_supported=true
2586                         AOT_SUPPORTED="yes"
2587                         ;;
2588                   darwin*)
2589                         sgen_supported=true
2590                         AOT_SUPPORTED="yes"
2591                         ;;
2592                   darwin*|openbsd*|freebsd*)
2593                         sgen_supported=true
2594                         ;;
2595                 esac
2596                 case "$host" in
2597                         x86_64-*-nacl*)
2598                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2599                                 sizeof_register=8
2600                                 ;;
2601                 esac
2602                 ;;
2603         ia64-*-*)
2604                 TARGET=IA64
2605                 arch_target=ia64
2606                 ACCESS_UNALIGNED="no"
2607                 JIT_SUPPORTED=yes
2608                 LIBC="libc.so.6.1"
2609                 INTL="libc.so.6.1"
2610                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2611                 libmono_ldflags="-lunwind"
2612                 ;;
2613         sparc*-*-*)
2614                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2615                    TARGET=SPARC64
2616                 else
2617                         TARGET=SPARC
2618                 fi
2619                 arch_target=sparc;
2620                 JIT_SUPPORTED=yes
2621                 ACCESS_UNALIGNED="no"
2622                 case $host_os in
2623                   linux*) ;;
2624                   *)
2625                         LIBC="libc.so"
2626                         INTL="libintl.so"
2627                 esac
2628                 if test x"$GCC" = xyes; then
2629                         # We don't support v8 cpus
2630                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2631                 fi
2632                 if test x"$AR" = xfalse; then
2633                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2634                 fi
2635                 sgen_supported=true
2636                 ;;
2637         *-mingw*|*-*-cygwin*)
2638                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2639                 have_visibility_hidden=no
2640                 INTL="intl"
2641                 ;;
2642         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2643         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2644                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2645                         TARGET=POWERPC64;
2646                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2647                         CFLAGS="$CFLAGS -mminimal-toc"
2648                 else
2649                         TARGET=POWERPC;
2650                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2651                 fi
2652                 arch_target=ppc;
2653                 JIT_SUPPORTED=yes
2654                 case $host_os in
2655                   linux*|darwin*)
2656                         sgen_supported=true
2657                         ;;
2658                 esac
2659                 ;;
2660         arm*-darwin*)
2661                 TARGET=ARM;
2662                 arch_target=arm;
2663                 ACCESS_UNALIGNED="no"
2664                 JIT_SUPPORTED=yes
2665                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2666                 # libgc's gc_locks.h depends on this
2667             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2668                 sgen_supported=true
2669                 ;;
2670         arm*-linux*)
2671                 TARGET=ARM;
2672                 arch_target=arm;
2673                 ACCESS_UNALIGNED="no"
2674                 JIT_SUPPORTED=yes
2675                 sgen_supported=true
2676                 AOT_SUPPORTED="yes"
2677                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2678                 ;;
2679 # TODO: make proper support for NaCl host.
2680 #        arm*-*nacl)
2681 #               TARGET=ARM;
2682 #               arch_target=arm;
2683 #               ACCESS_UNALIGNED="no"
2684 #               JIT_SUPPORTED=yes
2685 #               sgen_supported=true
2686 #               AOT_SUPPORTED="no"
2687 #               ;;
2688         aarch64-*)
2689                 # https://lkml.org/lkml/2012/7/15/133
2690                 TARGET=ARM64
2691                 arch_target=arm64
2692                 JIT_SUPPORTED=yes
2693                 sgen_supported=true
2694                 boehm_supported=false
2695                 ;;
2696         s390x-*-linux*)
2697                 TARGET=S390X;
2698                 arch_target=s390x;
2699                 ACCESS_UNALIGNED="yes"
2700                 JIT_SUPPORTED=yes
2701                 sgen_supported=true
2702                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2703                 ;;
2704 esac
2705
2706 HOST=$TARGET
2707
2708 if test "x$host" != "x$target"; then
2709    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2710    enable_mcs_build=no
2711    case "$target" in
2712    arm*-darwin*)
2713                 TARGET=ARM;
2714                 arch_target=arm;
2715                 ACCESS_UNALIGNED="no"
2716                 JIT_SUPPORTED=yes
2717                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2718                 jit_wanted=true
2719                 # Can't use tls, since it depends on the runtime detection of tls offsets
2720                 # in mono-compiler.h
2721                 with_tls=pthread
2722                 ;;
2723    powerpc64-ps3-linux-gnu)
2724                 TARGET=POWERPC64
2725                 arch_target=powerpc64
2726                 AC_DEFINE(TARGET_PS3, 1, [...])
2727                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2728                 # uses this define
2729                 AC_DEFINE(__mono_ppc64__, 1, [...])
2730                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2731                 sizeof_register=8
2732                 target_byte_order=G_BIG_ENDIAN
2733                 ;;
2734
2735    powerpc64-xbox360-linux-gnu)
2736                 TARGET=POWERPC64
2737                 arch_target=powerpc64
2738                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2739                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2740                 # uses this define
2741                 sizeof_register=8
2742                 target_byte_order=G_BIG_ENDIAN
2743                 ;;
2744    x86_64-*-nacl)
2745                 TARGET=AMD64
2746                 arch_target=amd64
2747                 AC_DEFINE(TARGET_AMD64, 1, [...])
2748                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2749                 sizeof_register=8
2750                 ;;
2751 # TODO: make proper support for NaCl target.
2752 #   arm*-*nacl)
2753 #               TARGET=ARM
2754 #               arch_target=arm
2755 #               AC_DEFINE(TARGET_ARM, 1, [...])
2756 #               ACCESS_UNALIGNED="no"
2757 #               JIT_SUPPORTED=yes
2758 #               sizeof_register=4
2759 #               CPPFLAGS="$CPPFLAGS \
2760 #                    -D__ARM_EABI__ \
2761 #                    -D__arm__ \
2762 #                    -D__portable_native_client__ \
2763 #                    -Dtimezone=_timezone \
2764 #                    -DDISABLE_SOCKETS \
2765 #                    -DDISABLE_ATTACH \
2766 #                    -DUSE_NEWLIB"
2767 #               jit_wanted=true
2768                 # Can't use tls, since it depends on the runtime detection of tls offsets
2769                 # in mono-compiler.h
2770 #               with_tls=pthread
2771 #               ;;
2772    i686-*-nacl)
2773                 TARGET=X86
2774                 arch_target=x86
2775                 AC_DEFINE(TARGET_X86, 1, [...])
2776                 sizeof_register=4
2777                 ;;
2778    arm*-linux-*)
2779                 TARGET=ARM;
2780                 arch_target=arm;
2781                 AC_DEFINE(TARGET_ARM, 1, [...])
2782                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2783                 ACCESS_UNALIGNED="no"
2784                 JIT_SUPPORTED=yes
2785                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2786                 jit_wanted=true
2787                 # Can't use tls, since it depends on the runtime detection of tls offsets
2788                 # in mono-compiler.h
2789                 with_tls=pthread
2790                 target_mach=no
2791                 case "$target" in
2792                 armv7l-unknown-linux-gnueabi*)
2793                         # TEGRA
2794                         CPPFLAGS="$CPPFLAGS"
2795                         ;;
2796                 armv5-*-linux-androideabi*)
2797                         CPPFLAGS="$CPPFLAGS"
2798                         ;;
2799                 esac
2800                 ;;
2801         aarch64-*)
2802                 TARGET=ARM64
2803                 JIT_SUPPORTED=yes
2804                 jit_wanted=true
2805                 ;;
2806         *)
2807                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2808         esac
2809 fi
2810
2811 case "$TARGET" in
2812 X86)
2813         AC_DEFINE(TARGET_X86, 1, [...])
2814         ;;
2815 AMD64)
2816         AC_DEFINE(TARGET_AMD64, 1, [...])
2817         ;;
2818 ARM)
2819         AC_DEFINE(TARGET_ARM, 1, [...])
2820         ;;
2821 ARM64)
2822         AC_DEFINE(TARGET_ARM64, 1, [...])
2823         ;;
2824 POWERPC)
2825         AC_DEFINE(TARGET_POWERPC, 1, [...])
2826         ;;
2827 POWERPC64)
2828         AC_DEFINE(TARGET_POWERPC, 1, [...])
2829         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2830         ;;
2831 S390X)
2832         AC_DEFINE(TARGET_S390X, 1, [...])
2833         ;;
2834 MIPS)
2835         AC_DEFINE(TARGET_MIPS, 1, [...])
2836         ;;
2837 IA64)
2838         AC_DEFINE(TARGET_IA64, 1, [...])
2839         ;;
2840 SPARC)
2841         AC_DEFINE(TARGET_SPARC, 1, [...])
2842         ;;
2843 SPARC64)
2844         AC_DEFINE(TARGET_SPARC64, 1, [...])
2845         ;;
2846 esac
2847
2848 dnl Use GCC atomic ops if they work on the target.
2849 if test x$GCC = "xyes"; then
2850         case $TARGET in
2851         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2852                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2853                 ;;
2854         esac
2855 fi
2856
2857 if test "x$target_mach" = "xyes"; then
2858    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2859           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2860           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2861           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2862    else
2863        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2864        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2865        #error fail this for ios
2866        #endif
2867        return 0;
2868        ], [
2869                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2870           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2871           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2872        ], [
2873           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2874           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2875           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2876        ])
2877         fi
2878    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2879 fi
2880
2881 if test "x$sizeof_register" = "x4"; then
2882    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2883 elif test "x$sizeof_register" = "x8"; then
2884    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2885 else
2886    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2887 fi
2888
2889 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2890    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2891 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2892    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2893 else
2894    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2895 fi
2896
2897 if test "x$have_visibility_hidden" = "xyes"; then
2898    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2899 fi
2900
2901 if test "x$have_deprecated" = "xyes"; then
2902    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2903 fi
2904
2905 dnl 
2906 dnl Simple Generational checks (sgen)
2907 dnl
2908 if $sgen_supported; then
2909    build_sgen_default=yes
2910 else
2911    build_sgen_default=no
2912 fi
2913 SGEN_DEFINES=
2914 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2915 if test x$buildsgen = xyes; then
2916    if $sgen_supported; then
2917        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2918        gc_msg="sgen and $gc_msg"
2919    else
2920        buildsgen=no
2921        AC_MSG_WARN("Sgen is not supported on this platform")
2922    fi
2923 fi
2924 AC_SUBST(SGEN_DEFINES)
2925 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2926
2927 USEJIT=false
2928 if test x$JIT_SUPPORTED = xyes; then
2929    if $jit_wanted; then
2930       USEJIT=true
2931       jit_status="Building and using the JIT"
2932    else
2933       if $interp_wanted; then
2934          jit_status="Building the JIT, defaulting to the interpreter"
2935       else
2936          AC_ERROR(No JIT or interpreter support available or selected.)
2937       fi
2938    fi
2939 else
2940    if test x$interp_wanted = xtrue; then
2941       jit_status="interpreter"
2942    else
2943       AC_ERROR(No JIT or interpreter support available or selected.)
2944    fi
2945 fi
2946
2947 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2948
2949 libsuffix=".so"
2950
2951 case "$host" in
2952      *-*-darwin*)
2953         libsuffix=".dylib"
2954         LIBC="libc.dylib"
2955         INTL="libintl.dylib"
2956         SQLITE="libsqlite.0.dylib"
2957         SQLITE3="libsqlite3.0.dylib"
2958         X11="libX11.dylib"
2959         GDKX11="libgdk-x11-2.0.dylib"
2960         GTKX11="libgtk-x11-2.0.dylib"
2961         ;;
2962      *-*-*netbsd*)
2963         LIBC="libc.so.12"
2964         INTL="libintl.so.0"
2965         ;;
2966     *-*-*freebsd*)
2967         LIBC="libc.so"
2968         INTL="libintl.so"
2969         SQLITE="libsqlite.so"
2970         SQLITE3="libsqlite3.so"
2971         ;;
2972     *-*-*openbsd*)
2973         LIBC="libc.so"
2974         INTL="libintl.so"
2975         SQLITE="libsqlite.so"
2976         SQLITE3="libsqlite3.so"
2977         ;;
2978     *-*-*linux*)
2979         AC_PATH_X
2980         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2981         AC_MSG_CHECKING(for the soname of libX11.so)
2982         for i in $x_libraries $dlsearch_path; do
2983                 for r in 4 5 6; do
2984                         if test -f $i/libX11.so.$r; then
2985                                 X11=libX11.so.$r
2986                                 AC_MSG_RESULT($X11)
2987                         fi
2988                 done
2989         done
2990         
2991         if test "x$X11" = "xlibX11.so"; then
2992                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2993                 X11=libX11.so.6
2994         fi
2995         AC_MSG_CHECKING(for the soname of libXinerama.so)
2996         for i in $x_libraries $dlsearch_path; do
2997                 for r in 1 2 3; do
2998                         if test -f $i/libXinerama.so.$r; then
2999                                 XINERAMA=libXinerama.so.$r
3000                                 AC_MSG_RESULT($XINERAMA)
3001                         fi
3002                 done
3003         done
3004         if test "x$XINERAMA" = "xlibXinerama.so"; then
3005                 AC_MSG_WARN([Could not find Xinerama development libs. Support for multiple monitors might not work...]);
3006         fi
3007         ;;
3008 esac
3009
3010
3011 AC_SUBST(libsuffix)
3012
3013 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3014 if test "x$icall_symbol_map" = "xyes"; then
3015    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3016 fi
3017
3018 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3019 if test "x$icall_export" = "xyes"; then
3020    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3021 fi
3022
3023 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3024 if test "x$icall_tables" = "xno"; then
3025    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3026 fi
3027
3028 if test "x$with_tls" = "x__thread"; then
3029         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3030         # Pass the information to libgc
3031         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3032         AC_MSG_CHECKING(if the tls_model attribute is supported)
3033         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3034                 ], [
3035                         AC_MSG_RESULT(yes)
3036                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3037                 ], [
3038                         AC_MSG_RESULT(no)
3039         ])
3040 fi
3041
3042 if test ${TARGET} = ARM; then
3043         dnl ******************************************
3044         dnl *** Check to see what FPU is available ***
3045         dnl ******************************************
3046         AC_MSG_CHECKING(which FPU to use)
3047
3048         #
3049         # This is a bit tricky:
3050         #
3051         # if (__ARM_PCS_VFP) {
3052         #       /* mfloat-abi=hard == VFP with hard ABI */
3053         # } elif (!__SOFTFP__) {
3054         #       /* mfloat-abi=softfp == VFP with soft ABI */
3055         # } else {
3056         #       /* mfloat-abi=soft == no VFP */
3057         # }
3058         #
3059         # The exception is iOS (w/ GCC) where none of the above
3060         # are defined (but iOS always uses the 'softfp' ABI).
3061         #
3062         # No support for FPA.
3063         #
3064
3065         fpu=NONE
3066
3067         # iOS GCC always uses the 'softfp' ABI.
3068         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3069                 fpu=VFP
3070         fi
3071
3072         # Are we using the 'hard' ABI?
3073         if test x$fpu = xNONE; then
3074                 AC_TRY_COMPILE([], [
3075                         #ifndef __ARM_PCS_VFP
3076                         #error "Float ABI is not 'hard'"
3077                         #endif
3078                         return 0;
3079                 ], [
3080                         fpu=VFP_HARD
3081                 ], [
3082                         fpu=NONE
3083                 ])
3084         fi
3085
3086         # No 'hard' ABI. 'soft' or 'softfp'?
3087         if test x$fpu = xNONE; then
3088                 AC_TRY_COMPILE([], [
3089                         #ifdef __SOFTFP__
3090                         #error "Float ABI is not 'softfp'"
3091                         #endif
3092                         return 0;
3093                 ], [
3094                         fpu=VFP
3095                 ], [
3096                         fpu=NONE
3097                 ])
3098         fi
3099
3100         AC_MSG_RESULT($fpu)
3101         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3102         unset fpu
3103
3104         dnl *********************************************
3105         dnl *** Check which ARM version(s) we can use ***
3106         dnl *********************************************
3107         AC_MSG_CHECKING(which ARM version to use)
3108
3109         AC_TRY_COMPILE([], [
3110                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3111                 #error Not on ARM v5.
3112                 #endif
3113                 return 0;
3114         ], [
3115                 arm_v5=yes
3116
3117                 arm_ver=ARMv5
3118         ], [])
3119
3120         AC_TRY_COMPILE([], [
3121                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3122                 #error Not on ARM v6.
3123                 #endif
3124                 return 0;
3125         ], [
3126                 arm_v5=yes
3127                 arm_v6=yes
3128
3129                 arm_ver=ARMv6
3130         ], [])
3131
3132         AC_TRY_COMPILE([], [
3133                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3134                 #error Not on ARM v7.
3135                 #endif
3136                 return 0;
3137         ], [
3138                 arm_v5=yes
3139                 arm_v6=yes
3140                 arm_v7=yes
3141
3142                 arm_ver=ARMv7
3143         ], [])
3144
3145         AC_MSG_RESULT($arm_ver)
3146
3147         if test x$arm_v5 = xyes; then
3148                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3149                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3150         fi
3151
3152         if test x$arm_v6 = xyes; then
3153                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3154                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3155         fi
3156
3157         if test x$arm_v7 = xyes; then
3158                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3159                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3160         fi
3161 fi
3162
3163 if test ${TARGET} = ARM; then
3164         if test "x${with_jumptables}" = "xyes"; then
3165                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3166         fi
3167 fi
3168
3169 if test ${TARGET} = unknown; then
3170         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3171         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3172 fi
3173
3174 if test ${ACCESS_UNALIGNED} = no; then
3175         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3176 fi
3177
3178 case "x$gc" in
3179         xincluded)
3180                 # Pass CPPFLAGS to libgc configure
3181                 # We should use a separate variable for this to avoid passing useless and
3182                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3183                 # This should be executed late so we pick up the final version of CPPFLAGS
3184                 # The problem with this approach, is that during a reconfigure, the main
3185                 # configure scripts gets invoked with these arguments, so we use separate
3186                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3187                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3188                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3189                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3190                 fi
3191                 # Don't pass -finstrument-for-thread-suspension in, 
3192                 # if these are instrumented it will be very bad news 
3193                 # (infinite recursion, undefined parking behavior, etc)
3194                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3195                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3196                 AC_CONFIG_SUBDIRS(libgc)
3197                 ;;
3198 esac
3199
3200 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3201 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3202 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3203 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3204 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3205 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3206
3207 OPROFILE=no
3208 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3209         if test x$with_oprofile != xno; then
3210             oprofile_include=$with_oprofile/include
3211             if test ! -f $oprofile_include/opagent.h; then
3212                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3213                 fi
3214             OPROFILE=yes
3215                 OPROFILE_CFLAGS="-I$oprofile_include"
3216             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3217             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3218         fi
3219 ])
3220
3221 MALLOC_MEMPOOLS=no
3222 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3223         if test x$with_malloc_mempools = xyes; then
3224                 MALLOC_MEMPOOLS=yes
3225                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3226         fi
3227 ])
3228
3229
3230 DISABLE_MCS_DOCS=no
3231 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3232         if test x$with_mcs_docs != xyes; then
3233                 DISABLE_MCS_DOCS=yes
3234         fi
3235 ])
3236 if test x$with_profile4 != xyes; then
3237         DISABLE_MCS_DOCS=yes
3238 fi
3239
3240 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)],[
3241         if test x$with_lazy_gc_thread_creation != xno ; then
3242                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3243         fi
3244 ], [with_lazy_gc_thread_creation=no])
3245
3246 AC_CHECK_HEADER([malloc.h], 
3247                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3248                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3249
3250 if test x"$GCC" = xyes; then
3251         # Implicit function declarations are not 64 bit safe
3252         # Do this late, since this causes lots of configure tests to fail
3253         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3254         # jay has a lot of implicit declarations
3255         JAY_CFLAGS="-Wno-implicit-function-declaration"
3256 fi
3257
3258 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3259 # instead of libmono-static.a
3260 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3261    LIBMONO_LA=libmini-static.la
3262 else
3263    if test x$buildsgen = xyes; then
3264       LIBMONO_LA=libmonosgen-$API_VER.la
3265    else
3266       LIBMONO_LA=libmonoboehm-$API_VER.la
3267    fi
3268 fi
3269 AC_SUBST(LIBMONO_LA)
3270
3271 dnl
3272 dnl Consistency settings
3273 dnl
3274 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3275    DISABLE_MCS_DOCS=yes
3276    with_profile2=no
3277    with_profile4=no
3278    with_profile4_5=no
3279    with_monodroid=no
3280    with_monotouch=no
3281    with_xammac=no
3282 fi
3283
3284 if test x$DISABLE_MCS_DOCS = xyes; then
3285    docs_dir=""
3286 else
3287    docs_dir=docs
3288 fi
3289 AC_SUBST(docs_dir)
3290
3291 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3292 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3293
3294 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3295 AC_SUBST(OPROFILE_CFLAGS)
3296 AC_SUBST(OPROFILE_LIBS)
3297
3298 libmono_ldflags="$libmono_ldflags $LIBS"
3299
3300 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3301 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3302 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3303 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3304 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3305 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3306 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3307 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3308
3309 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3310 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3311 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3312 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3313 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3314 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3315 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3316 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3317 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3318 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3319 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3320 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3321 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3322 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3323 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3324 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3325 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3326 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3327
3328 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3329 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3330 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3331
3332 AC_SUBST(LIBC)
3333 AC_SUBST(INTL)
3334 AC_SUBST(SQLITE)
3335 AC_SUBST(SQLITE3)
3336 AC_SUBST(X11)
3337 AC_SUBST(GDKX11)
3338 AC_SUBST(GTKX11)
3339 AC_SUBST(XINERAMA)
3340 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3341 AC_SUBST(arch_target)
3342 AC_SUBST(CFLAGS)
3343 AC_SUBST(CPPFLAGS)
3344 AC_SUBST(LDFLAGS)
3345
3346 mono_build_root=`pwd`
3347 AC_SUBST(mono_build_root)
3348
3349 if test x$USEJIT = xtrue; then
3350   mono_runtime=mono/mini/mono
3351 else
3352   mono_runtime=mono/interpreter/mint
3353 fi
3354 AC_SUBST(mono_runtime)
3355
3356 mono_cfg_root=$mono_build_root/runtime
3357 if test x$host_win32 = xyes; then
3358   if test "x$cross_compiling" = "xno"; then
3359     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3360   else
3361     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3362   fi
3363 else
3364   mono_cfg_dir=$mono_cfg_root/etc
3365 fi
3366 AC_SUBST(mono_cfg_dir)
3367
3368 AC_CONFIG_FILES([po/mcs/Makefile.in])
3369
3370 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3371 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3372
3373 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3374 [   depth=../../../..
3375     case $srcdir in
3376     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3377     .) reldir=$depth ;;
3378     *) reldir=$depth/$srcdir ;;
3379     esac
3380     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3381     cd runtime/etc/mono/1.0
3382     rm -f machine.config
3383     $LN_S $reldir/data/net_1_1/machine.config machine.config
3384     cd $depth
3385 ],[LN_S='$LN_S'])
3386
3387 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3388 [   depth=../../../..
3389     case $srcdir in
3390     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3391     .) reldir=$depth ;;
3392     *) reldir=$depth/$srcdir ;;
3393     esac
3394     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3395     cd runtime/etc/mono/2.0
3396     rm -f machine.config
3397     $LN_S $reldir/data/net_2_0/machine.config machine.config
3398     cd $depth
3399 ],[LN_S='$LN_S'])
3400
3401 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3402 [   depth=../../../..
3403     case $srcdir in
3404     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3405     .) reldir=$depth ;;
3406     *) reldir=$depth/$srcdir ;;
3407     esac
3408     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3409     cd runtime/etc/mono/2.0
3410     rm -f web.config
3411     $LN_S $reldir/data/net_2_0/web.config web.config
3412     cd $depth
3413 ],[LN_S='$LN_S'])
3414
3415 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3416 [   depth=../../..
3417     case $srcdir in
3418     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3419     .) reldir=$depth ;;
3420     *) reldir=$depth/$srcdir ;;
3421     esac
3422     $ac_aux_dir/install-sh -d runtime/etc/mono/
3423     cd runtime/etc/mono/
3424     rm -f browscap.ini
3425     $LN_S $reldir/data/browscap.ini browscap.ini
3426     cd $depth
3427 ],[LN_S='$LN_S'])
3428
3429 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3430 [   depth=../../../../..
3431     case $srcdir in
3432     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3433     .) reldir=$depth ;;
3434     *) reldir=$depth/$srcdir ;;
3435     esac
3436     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3437     cd runtime/etc/mono/2.0/Browsers
3438     rm -f Compat.browser
3439     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3440     cd $depth
3441 ],[LN_S='$LN_S'])
3442
3443 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3444 [   depth=../../../../..
3445     case $srcdir in
3446     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3447     .) reldir=$depth ;;
3448     *) reldir=$depth/$srcdir ;;
3449     esac
3450     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3451     cd runtime/etc/mono/4.0/Browsers
3452     rm -f Compat.browser
3453     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3454     cd $depth
3455 ],[LN_S='$LN_S'])
3456
3457 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3458 [   depth=../../../../..
3459     case $srcdir in
3460     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3461     .) reldir=$depth ;;
3462     *) reldir=$depth/$srcdir ;;
3463     esac
3464     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3465     cd runtime/etc/mono/4.5/Browsers
3466     rm -f Compat.browser
3467     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3468     cd $depth
3469 ],[LN_S='$LN_S'])
3470
3471 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3472 [   depth=../../../..
3473     case $srcdir in
3474     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3475     .) reldir=$depth ;;
3476     *) reldir=$depth/$srcdir ;;
3477     esac
3478     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3479     cd runtime/etc/mono/4.0
3480     rm -f machine.config
3481     $LN_S $reldir/data/net_4_0/machine.config machine.config
3482     cd $depth
3483 ],[LN_S='$LN_S'])
3484
3485 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3486 [   depth=../../../..
3487     case $srcdir in
3488     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3489     .) reldir=$depth ;;
3490     *) reldir=$depth/$srcdir ;;
3491     esac
3492     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3493     cd runtime/etc/mono/4.0
3494     rm -f web.config
3495     $LN_S $reldir/data/net_4_0/web.config web.config
3496     cd $depth
3497 ],[LN_S='$LN_S'])
3498
3499 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3500 [   depth=../../../..
3501     case $srcdir in
3502     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3503     .) reldir=$depth ;;
3504     *) reldir=$depth/$srcdir ;;
3505     esac
3506     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3507     cd runtime/etc/mono/4.5
3508     rm -f machine.config
3509     $LN_S $reldir/data/net_4_5/machine.config machine.config
3510     cd $depth
3511 ],[LN_S='$LN_S'])
3512
3513 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3514 [   depth=../../../..
3515     case $srcdir in
3516     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3517     .) reldir=$depth ;;
3518     *) reldir=$depth/$srcdir ;;
3519     esac
3520     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3521     cd runtime/etc/mono/4.5
3522     rm -f web.config
3523     $LN_S $reldir/data/net_4_5/web.config web.config
3524     cd $depth
3525 ],[LN_S='$LN_S'])
3526
3527 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])
3528
3529 AC_OUTPUT([
3530 Makefile
3531 mono-core.spec
3532 mono-uninstalled.pc
3533 scripts/mono-find-provides
3534 scripts/mono-find-requires
3535 mono/Makefile
3536 mono/utils/Makefile
3537 mono/metadata/Makefile
3538 mono/dis/Makefile
3539 mono/cil/Makefile
3540 mono/arch/Makefile
3541 mono/arch/x86/Makefile
3542 mono/arch/amd64/Makefile
3543 mono/arch/ppc/Makefile
3544 mono/arch/sparc/Makefile
3545 mono/arch/s390x/Makefile
3546 mono/arch/arm/Makefile
3547 mono/arch/arm64/Makefile
3548 mono/arch/ia64/Makefile
3549 mono/arch/mips/Makefile
3550 mono/interpreter/Makefile
3551 mono/tests/Makefile
3552 mono/tests/tests-config
3553 mono/tests/assemblyresolve/Makefile
3554 mono/tests/cas/Makefile
3555 mono/tests/cas/assembly/Makefile
3556 mono/tests/cas/demand/Makefile
3557 mono/tests/cas/inheritance/Makefile
3558 mono/tests/cas/linkdemand/Makefile
3559 mono/tests/cas/threads/Makefile
3560 mono/tests/gc-descriptors/Makefile
3561 mono/unit-tests/Makefile
3562 mono/benchmark/Makefile
3563 mono/monograph/Makefile
3564 mono/io-layer/Makefile
3565 mono/mini/Makefile
3566 mono/profiler/Makefile
3567 m4/Makefile
3568 ikvm-native/Makefile
3569 scripts/Makefile
3570 man/Makefile
3571 docs/Makefile
3572 data/Makefile
3573 data/net_2_0/Makefile
3574 data/net_4_0/Makefile
3575 data/net_4_5/Makefile
3576 data/net_2_0/Browsers/Makefile
3577 data/net_4_0/Browsers/Makefile
3578 data/net_4_5/Browsers/Makefile
3579 data/mint.pc
3580 data/mono-2.pc
3581 data/monosgen-2.pc
3582 data/mono.pc
3583 data/mono-cairo.pc
3584 data/mono-nunit.pc
3585 data/mono-options.pc
3586 data/mono-lineeditor.pc
3587 data/monodoc.pc
3588 data/dotnet.pc
3589 data/dotnet35.pc
3590 data/wcf.pc
3591 data/cecil.pc
3592 data/system.web.extensions_1.0.pc
3593 data/system.web.extensions.design_1.0.pc
3594 data/system.web.mvc.pc
3595 data/system.web.mvc2.pc
3596 data/system.web.mvc3.pc
3597 data/aspnetwebstack.pc
3598 data/reactive.pc
3599 samples/Makefile
3600 support/Makefile
3601 data/config
3602 tools/Makefile
3603 tools/locale-builder/Makefile
3604 tools/sgen/Makefile
3605 runtime/Makefile
3606 msvc/Makefile
3607 po/Makefile
3608 ])
3609
3610 # Update all submodules recursively to ensure everything is checked out
3611 $srcdir/scripts/update_submodules
3612
3613 if test x$host_win32 = xyes; then
3614    # Get rid of 'cyg' prefixes in library names
3615    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3616    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3617    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3618    # executable doesn't work...
3619    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3620 fi
3621
3622 if test x$platform_darwin = xyes; then
3623    # This doesn't seem to be required and it slows down parallel builds
3624    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3625 fi
3626
3627 (
3628   case $prefix in
3629   NONE) prefix=$ac_default_prefix ;;
3630   esac
3631   case $exec_prefix in
3632   NONE) exec_prefix='${prefix}' ;;
3633   esac
3634
3635   #
3636   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3637   # any existing config.make.  This allows people to share the same source tree
3638   # with different build directories, one native and one cross
3639   #
3640   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3641
3642     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3643
3644     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3645     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3646     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3647     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3648     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3649     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3650     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3651     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3652
3653     case $INSTALL in
3654     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3655     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3656     esac
3657
3658     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3659
3660     export VERSION
3661     [myver=$($AWK 'BEGIN {
3662       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3663       if(length(vsplit [1]) > 4) {
3664         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3665       }
3666       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3667     }')]
3668
3669     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3670
3671     if test x$platform_darwin = xyes; then
3672       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3673     fi
3674
3675         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3676            enable_system_aot=yes
3677         fi
3678
3679         if test "x$enable_loadedllvm" = "xyes"; then
3680            # This seems to fail on the x86 buildbots
3681            enable_system_aot=no
3682         fi
3683
3684     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3685       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3686     fi
3687
3688     if test x$DISABLE_MCS_DOCS = xyes; then
3689       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3690     fi
3691
3692     if test x$has_extension_module != xno; then
3693         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3694     fi
3695
3696         default_profile=net_2_0
3697     if test -z "$INSTALL_4_0_TRUE"; then :
3698                 default_profile=net_4_0
3699     fi
3700     if test -z "$INSTALL_MONODROID_TRUE"; then :
3701                 default_profile=monodroid
3702     fi
3703     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3704                 default_profile=monotouch
3705     fi
3706         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3707                 default_profile=xammac
3708         fi
3709     if test -z "$INSTALL_4_5_TRUE"; then :
3710                 default_profile=net_4_5
3711     fi
3712     
3713     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3714     
3715     if test "x$test_bcl_opt" = "xyes"; then    
3716       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3717     fi
3718
3719   fi
3720
3721   # if we have an olive folder, override the default settings
3722   if test -d $olivedir; then
3723
3724     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3725
3726       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3727
3728       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3729       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3730       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3731       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3732       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3733       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3734     fi
3735   fi
3736
3737 )
3738
3739 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3740
3741 echo "
3742         mcs source:    $mcsdir
3743
3744    Engine:
3745         GC:            $gc_msg 
3746         TLS:           $with_tls
3747         SIGALTSTACK:   $with_sigaltstack
3748         Engine:        $jit_status
3749         oprofile:      $OPROFILE
3750         BigArrays:     $enable_big_arrays
3751         DTrace:        $enable_dtrace
3752         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3753
3754    Libraries:
3755         .NET 2.0/3.5:  $with_profile2
3756         .NET 4.0:      $with_profile4
3757         .NET 4.5:      $with_profile4_5
3758         MonoDroid:     $with_monodroid
3759         MonoTouch:     $with_monotouch
3760         Xamarin.Mac:   $with_xammac
3761         JNI support:   $jdk_headers_found
3762         libgdiplus:    $libgdiplus_msg
3763         zlib:          $zlib_msg
3764         $disabled
3765 "
3766 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3767    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3768 fi