Merge pull request #2201 from rolfbjarne/linker-better-xml-processing-errors
[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, [4.3.0],
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                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
20
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
23
24 API_VER=2.0
25 AC_SUBST(API_VER)
26
27 AC_PROG_LN_S
28
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30
31 case $host_os in
32 *cygwin* )
33                  echo "Run configure using ./configure --host=i686-pc-mingw32"
34                  exit 1
35 esac
36
37 # In case of cygwin, override LN_S, irrespective of what it determines.
38 # The build uses cygwin, but the actual runtime doesn't.
39 case $host_os in
40 *cygwin* ) LN_S='cp -p';;
41 esac
42
43 #
44 # libgc defaults
45 #
46 libgc_configure_args=
47
48 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
49 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
50 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
51 CFLAGS_FOR_LIBGC=$CFLAGS
52 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
53 CFLAGS_FOR_EGLIB=$CFLAGS
54
55 # libgc uses some deprecated APIs
56 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
57
58 #
59 # These are the flags that need to be stored in the mono.pc file for 
60 # compiling code that will embed Mono
61 #
62 libmono_cflags=""
63 libmono_ldflags=""
64 AC_SUBST(libmono_cflags)
65 AC_SUBST(libmono_ldflags)
66
67 # Variable to have relocatable .pc files (lib, or lib64)
68 reloc_libdir=`basename ${libdir}`
69 AC_SUBST(reloc_libdir)
70
71 # Set to yes if Unix sockets cannot be created in an anonymous namespace
72 need_link_unlink=no
73
74 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
75 extra_runtime_ldflags=""
76
77 # Thread configuration inspired by sleepycat's db
78 AC_MSG_CHECKING([host platform characteristics])
79 libgc_threads=no
80 has_dtrace=no
81 parallel_mark=yes
82 ikvm_native=yes
83
84 host_win32=no
85 target_win32=no
86 platform_android=no
87 host_darwin=no
88 case "$host" in
89         *-mingw*|*-*-cygwin*)
90                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
91                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
92                 host_win32=yes
93                 mono_cv_clang=no
94                 if test "x$cross_compiling" = "xno"; then
95                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
96                                 target_win32=yes
97                         fi
98                 else
99                         if test "x$host" == "x$target"; then
100                                 target_win32=yes
101                         fi
102                 fi
103                 HOST_CC="gcc"
104                 # Windows Vista or later is required
105                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
106                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
107                 libmono_cflags="-mms-bitfields -mwindows"
108                 libmono_ldflags="-mms-bitfields -mwindows"
109                 libdl=
110                 libgc_threads=win32
111                 with_sigaltstack=no
112                 with_tls=pthread
113                 LN_S=cp
114                 # This forces libgc to use the DllMain based thread registration code on win32
115                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
116                 ;;
117         *-*-*netbsd*)
118                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
119                 libmono_cflags="-D_REENTRANT"
120                 LDFLAGS="$LDFLAGS -pthread"
121                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
122                 libmono_ldflags="-pthread"
123                 need_link_unlink=yes
124                 libdl="-ldl"
125                 libgc_threads=pthreads
126                 with_sigaltstack=no
127                 use_sigposix=yes
128                 ;;
129         *-*-kfreebsd*-gnu)
130                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
131                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
132                 libmono_ldflags="-lpthread -pthread"
133                 libdl="-ldl"
134                 libgc_threads=pthreads
135                 need_link_unlink=yes
136                 with_sigaltstack=no
137                 use_sigposix=yes
138                 ;;
139         *-*-*freebsd*)
140                 if test "x$PTHREAD_CFLAGS" = "x"; then
141                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
142                         libmono_cflags=
143                 else
144                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
145                         libmono_cflags="$PTHREAD_CFLAGS"
146                 fi
147                 if test "x$PTHREAD_LIBS" = "x"; then
148                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
149                         libmono_ldflags="-pthread"
150                 else
151                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
152                         libmono_ldflags="$PTHREAD_LIBS"
153                 fi
154                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
155                 need_link_unlink=yes
156                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
157                 libdl=
158                 libgc_threads=pthreads
159                 use_sigposix=yes
160                 has_dtrace=yes
161                 ;;
162         *-*-*openbsd*)
163                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
164                 if test "x$disable_munmap" != "xyes"; then
165                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
166                 fi
167                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
168                 LDFLAGS="$LDFLAGS -pthread"
169                 need_link_unlink=yes
170                 AC_DEFINE(PTHREAD_POINTER_ID)
171                 libdl=
172                 libgc_threads=pthreads
173                 with_sigaltstack=no
174                 use_sigposix=yes
175                 ;;
176         *-*-linux-android*)
177                 platform_android=yes
178                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
179                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
180
181                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
182                 if test "x$disable_munmap" != "xyes"; then
183                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
184                 fi
185                 libmono_cflags="-D_REENTRANT"
186                 libdl="-ldl"
187                 libgc_threads=pthreads
188                 use_sigposix=yes
189
190                 with_tls=pthread
191                 with_sigaltstack=no
192                 with_static_mono=no
193
194                 # Android doesn't support boehm, as it's missing <link.h>
195                 support_boehm=no
196                 with_gc=sgen
197
198                 # isinf(3) requires -lm; see isinf check below
199                 LDFLAGS="$LDFLAGS -lm"
200
201                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
202                 # PAGE_SIZE; breaks mono/io-layer/collection.c
203                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
204                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
205                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
206
207                 # The configure check can't detect this
208                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
209
210                 # to bypass the underscore linker check, can't work when cross-compiling
211                 mono_cv_uscore=yes
212                 mono_cv_clang=no
213                 ;;
214         *-*-linux*)
215                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
216                 if test "x$disable_munmap" != "xyes"; then
217                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
218                 fi
219                 libmono_cflags="-D_REENTRANT"
220                 libdl="-ldl"
221                 libgc_threads=pthreads
222                 use_sigposix=yes
223                 if test "x$cross_compiling" != "xno"; then
224                         # to bypass the underscore linker check, not
225                         # available during cross-compilation
226                         mono_cv_uscore=no
227                 fi
228                 case "$host" in
229                 aarch64-*)
230                         support_boehm=no
231                         with_gc=sgen
232                         ;;
233                 powerpc*-*-linux*)
234                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
235                         disable_munmap=yes
236                         ;;
237                 esac
238                 ;;
239         *-*-nacl*)
240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
241                 if test "x$disable_munmap" != "xyes"; then
242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
243                 fi
244                 libmono_cflags="-D_REENTRANT"
245                 libdl=
246                 libgc_threads=pthreads
247                 use_sigposix=yes
248                 ikvm_native=no
249                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
250                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
251                 ;;
252         *-*-hpux*)
253                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
254                 # +ESdbgasm only valid on bundled cc on RISC
255                 # silently ignored for ia64
256                 if test $GCC != "yes"; then
257                         CFLAGS="$CFLAGS +ESdbgasm"
258                         # Arrange for run-time dereferencing of null
259                         # pointers to produce a SIGSEGV signal.
260                         LDFLAGS="$LDFLAGS -z"
261                 fi
262                 CFLAGS="$CFLAGS +ESdbgasm"
263                 LDFLAGS="$LDFLAGS -z"
264                 libmono_cflags="-D_REENTRANT"
265                 libmono_ldflags="-lpthread"
266                 libgc_threads=pthreads
267                 need_link_unlink=yes
268                 use_sigposix=yes
269                 ;;
270         *-*-solaris*)
271                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
272                 need_link_unlink=yes
273                 libmono_cflags="-D_REENTRANT"
274                 libgc_threads=pthreads
275                 # This doesn't seem to work on solaris/x86, but the configure test runs
276                 with_tls=pthread
277                 has_dtrace=yes
278                 use_sigposix=yes
279                 enable_solaris_tar_check=yes
280                 ;;
281         *-*-darwin*)
282                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
283                 host_darwin=yes
284                 target_mach=yes
285                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
286                 libmono_cflags="-D_THREAD_SAFE"
287                 need_link_unlink=yes
288                 AC_DEFINE(PTHREAD_POINTER_ID)
289                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
290                 libdl=
291                 libgc_threads=pthreads
292                 has_dtrace=yes
293                 if test "x$cross_compiling" = "xyes"; then
294                         has_broken_apple_cpp=yes
295                 fi
296                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
297                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
298                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
299                 case "$host" in
300                         dnl Snow Leopard and newer config.guess reports as this
301                         i*86-*-darwin*)
302                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
303                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
304                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
305                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
306                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
307                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
308                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
309                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
310                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
311                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
312                                 ;;
313                         x*64-*-darwin*)
314                                 ;;
315                         arm*-darwin*)
316                                 has_dtrace=no
317                                 ;;                      
318                 esac
319                 ;;
320         *-*-haiku*)
321                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
322                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
323                 libdl=
324                 LIBS="$LIBS -lnetwork"
325                 need_link_unlink=yes
326                 AC_DEFINE(PTHREAD_POINTER_ID)
327                 libgc_threads=pthreads
328                 use_sigposix=yes
329                 ;;
330         *)
331                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
332                 libdl="-ldl"
333                 ;;
334 esac
335 AC_MSG_RESULT(ok)
336
337 if test x$need_link_unlink = xyes; then
338    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
339 fi
340
341 if test x$host_win32 = xyes; then
342    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
343 fi
344
345 if test x$target_win32 = xyes; then
346    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
347 fi
348
349 AC_SUBST(extra_runtime_ldflags)
350 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
351 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
352 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
353 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
354 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
355 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
356
357 AC_CHECK_TOOL(CC, gcc, gcc)
358 AC_PROG_CC
359 AC_CHECK_TOOL(CXX, g++, g++)
360 AC_PROG_CXX
361 AM_PROG_AS
362 AC_PROG_INSTALL
363 AC_PROG_AWK
364 AM_PROG_CC_C_O
365 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
366 : ${CCAS='$(CC)'}
367 # Set ASFLAGS if not already set.
368 : ${CCASFLAGS='$(CFLAGS)'}
369 AC_SUBST(CCAS)
370 AC_SUBST(CCASFLAGS)
371
372 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
373 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
374 if test "x$CXX" = "xg++"; then
375         if test "x$GXX" != "xyes"; then
376                 # automake/libtool is so broken, it requires g++ even if the c++ sources
377                 # are inside automake conditionals
378                 AC_MSG_ERROR([You need to install g++])
379         fi
380 fi
381
382 dnl may require a specific autoconf version
383 dnl AC_PROG_CC_FOR_BUILD
384 dnl CC_FOR_BUILD not automatically detected
385 CC_FOR_BUILD=$CC
386 CFLAGS_FOR_BUILD=$CFLAGS
387 BUILD_EXEEXT=
388 if test "x$cross_compiling" = "xyes"; then
389         CC_FOR_BUILD=cc
390         CFLAGS_FOR_BUILD=
391         BUILD_EXEEXT=""
392 fi
393 AC_SUBST(CC_FOR_BUILD)
394 AC_SUBST(CFLAGS_FOR_BUILD)
395 AC_SUBST(HOST_CC)
396 AC_SUBST(BUILD_EXEEXT)
397
398 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
399 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
400
401 # Set STDC_HEADERS
402 AC_HEADER_STDC
403 AC_LIBTOOL_WIN32_DLL
404 # This causes monodis to not link correctly
405 #AC_DISABLE_FAST_INSTALL
406 AM_PROG_LIBTOOL
407 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
408 DOLT
409
410 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
411 AC_SUBST(export_ldflags)
412
413 # Test whenever ld supports -version-script
414 AC_PROG_LD
415 AC_PROG_LD_GNU
416
417 AM_ICONV()
418
419 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
420 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
421 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
422                   [], [], [#include <stddef.h>
423                   #include <sys/socket.h>
424                   #include <linux/socket.h>])
425
426 AC_CHECK_HEADERS(sys/user.h, [], [],
427 [
428 #ifdef HAVE_SYS_PARAM_H
429 # include <sys/param.h>
430 #endif
431 ])
432
433 AC_CHECK_HEADERS(linux/serial.h)
434
435 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
436 if test x$have_zlib = xyes; then
437    AC_TRY_COMPILE([#include <zlib.h>], [
438    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
439    return 0;
440    #else
441    #error No good zlib found
442    #endif
443    ],[
444         AC_MSG_RESULT(Using system zlib)
445         zlib_msg="system zlib"
446         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
447    ],[
448         AC_MSG_RESULT(Using embedded zlib)
449         have_zlib=no
450         zlib_msg="bundled zlib"
451    ])
452 fi
453
454 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
455 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
456
457 # for mono/metadata/debug-symfile.c
458 AC_CHECK_HEADERS(elf.h)
459
460 # for support
461 AC_CHECK_HEADERS(poll.h)
462 AC_CHECK_HEADERS(sys/poll.h)
463 AC_CHECK_HEADERS(sys/wait.h)
464 AC_CHECK_HEADERS(grp.h)
465 AC_CHECK_HEADERS(syslog.h)
466
467 # for mono/dis
468 AC_CHECK_HEADERS(wchar.h)
469 AC_CHECK_HEADERS(ieeefp.h)
470 AC_MSG_CHECKING(for isinf)
471 AC_TRY_LINK([#include <math.h>], [
472         int f = isinf (1.0);
473 ], [
474         AC_MSG_RESULT(yes)
475         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
476 ], [
477         # We'll have to use signals
478         AC_MSG_RESULT(no)
479 ])
480 # mingw
481 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
482         AC_TRY_LINK([#include <math.h>], 
483         [ _finite(0.0); ], 
484         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
485         AC_MSG_RESULT(no)))
486
487 # for Linux statfs support
488 AC_CHECK_HEADERS(linux/magic.h)
489
490 # not 64 bit clean in cross-compile
491 AC_CHECK_SIZEOF(void *, 4)
492
493 AC_CACHE_CHECK([for clang],
494         mono_cv_clang,[
495         AC_TRY_COMPILE([], [
496                 #ifdef __clang__
497                 #else
498                 #error "FAILED"
499                 #endif
500                 return 0;
501         ],
502         [mono_cv_clang=yes],
503         [mono_cv_clang=no],
504         [])
505 ])
506
507 AC_ARG_ENABLE(visibility-hidden,
508 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
509    disable_visibility_hidden=yes, disable_visibility_hidden=no)
510
511 WARN=''
512 if test x"$GCC" = xyes; then
513         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
514
515                 # We require C99 with some GNU extensions, e.g. `linux` macro
516                 CFLAGS="$CFLAGS -std=gnu99"
517
518                 # The runtime code does not respect ANSI C strict aliasing rules
519                 CFLAGS="$CFLAGS -fno-strict-aliasing"
520
521                 # We rely on signed overflow to behave
522                 CFLAGS="$CFLAGS -fwrapv"
523
524                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
525                 if test x"$disable_visibility_hidden" = xno; then
526                    # Don't export any symbols by default
527                    SHARED_CFLAGS="-fvisibility=hidden"
528                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
529                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
530                 fi
531
532                 ORIG_CFLAGS=$CFLAGS
533                 # Check for the normal version, since gcc ignores unknown -Wno options
534                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
535                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
536                 AC_TRY_COMPILE([],[
537                                 return 0;
538                 ], [
539                    AC_MSG_RESULT(yes)
540                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
541                 ], [
542                    AC_MSG_RESULT(no)
543                    CFLAGS=$ORIG_CFLAGS
544                 ])
545
546                 if test "x$mono_cv_clang" = "xyes"; then
547                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
548                    WARN="$WARN -Qunused-arguments"
549                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address"
550                 fi
551 else
552         # The Sun Forte compiler complains about inline functions that access static variables
553         # so disable all inlining.
554         case "$host" in
555         *-*-solaris*)
556                 CFLAGS="$CFLAGS -Dinline="
557                 ;;
558         esac
559 fi
560 CFLAGS="$CFLAGS -g $WARN"
561 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
562 CPPFLAGS="$CPPFLAGS -g $WARN"
563
564 # Where's the 'mcs' source tree?
565 if test -d $srcdir/mcs; then
566   mcsdir=mcs
567 else
568   mcsdir=../mcs
569 fi
570
571 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
572         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
573                 mcsdir=$with_mcs_path
574         fi
575 )
576
577 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
578
579 #
580 # A sanity check to catch cases where the package was unpacked
581 # with an ancient tar program (Solaris)
582 #
583 AC_ARG_ENABLE(solaris-tar-check,
584 [  --disable-solaris-tar-check    disable solaris tar check],
585    do_solaris_tar_check=no, do_solaris_tar_check=yes)
586
587 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
588         AC_MSG_CHECKING(integrity of package)
589         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
590         then
591                 AC_MSG_RESULT(ok)
592         else
593                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
594                 AC_MSG_ERROR([$errorm])
595         fi
596 fi
597
598 if test "x$with_mcs_path" != "x"; then
599 mcs_topdir=$(cd "$mcsdir" && pwd)
600 mcs_topdir_from_srcdir=$mcs_topdir
601 else
602 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
603 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
604 fi
605
606 # Convert mcs_topdir* paths to Windows syntax.
607 if test x$cross_compiling$host_win32 = xnoyes; then
608   mcs_topdir=$(cygpath -m $mcs_topdir)
609   case $mcs_topdir_from_srcdir in
610     /cygdrive/*)
611         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
612         ;;
613   esac
614 fi
615
616 AC_SUBST([mcs_topdir])
617 AC_SUBST([mcs_topdir_from_srcdir])
618
619 # gettext: prepare the translation directories. 
620 # we do not configure the full gettext, as we consume it dynamically from C#
621 AM_PO_SUBDIRS
622
623 if test "x$USE_NLS" = "xyes"; then
624    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
625
626    if test "x$HAVE_MSGFMT" = "xno"; then
627           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
628    fi
629 fi
630
631 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
632
633 pkg_config_path=
634 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
635         if test x$with_crosspkgdir = "x"; then
636                 if test -s $PKG_CONFIG_PATH; then
637                         pkg_config_path=$PKG_CONFIG_PATH
638                 fi
639         else
640                 pkg_config_path=$with_crosspkgdir
641                 PKG_CONFIG_PATH=$pkg_config_path
642                 export PKG_CONFIG_PATH
643         fi
644 )
645
646 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
647 if test x$werror_flag = xyes; then
648         WERROR_CFLAGS="-Werror"
649 fi
650 AC_SUBST([WERROR_CFLAGS])
651 AC_SUBST([SHARED_CFLAGS])
652
653 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
654 AC_CONFIG_SUBDIRS(eglib)
655
656 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
657 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
658   
659 AC_SUBST(GLIB_CFLAGS)
660 AC_SUBST(GLIB_LIBS)
661
662 # Enable support for fast thread-local storage
663 # Some systems have broken support, so we allow to disable it.
664 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
665
666 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
667 # This does not work on some platforms (bug #55253)
668 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
669
670 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
671 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
672 # Same as --with-shared_mono=no
673 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
674
675 if test "x$enable_static" = "xno"; then
676    with_static_mono=no
677 fi
678
679 if test "x$enable_shared" = "xno"; then
680    with_shared_mono=no
681 fi
682
683 if test "x$enable_libraries" = "xno"; then
684    with_shared_mono=no
685 fi
686
687 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
688
689 case $host in
690 *nacl* ) with_shared_mono=yes;;
691 esac
692
693 if test "x$host_win32" = "xyes"; then
694    # Boehm GC requires the runtime to be in its own dll
695    with_static_mono=no
696 fi
697
698 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
699 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
700 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
701
702 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
703 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
704         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
705         ORIG_CFLAGS=$CFLAGS
706         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
707         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
708         AC_TRY_COMPILE([], [
709                 return 0;
710         ], [
711            AC_MSG_RESULT(yes)
712            # Pass it to libgc as well
713            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
714         ], [
715            AC_MSG_RESULT(no)
716            CFLAGS=$ORIG_CFLAGS
717         ])
718 fi
719
720 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
721
722 if test x$enable_small_config = xyes; then
723         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
724         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
725 fi
726
727 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=$enableval, enable_system_aot=default)
728
729 DISABLED_FEATURES=none
730
731 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
732      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
733      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
734          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
735 [
736         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
737                 eval "mono_feature_disable_$feature='yes'"
738         done
739         DISABLED_FEATURES=$enable_minimal
740         disabled="Disabled:      $enable_minimal"
741 ],[])
742
743 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
744
745 if test "x$mono_feature_disable_aot" = "xyes"; then
746         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
747         enable_system_aot=no
748         AC_MSG_NOTICE([Disabled AOT compiler])
749 fi
750
751 if test "x$mono_feature_disable_profiler" = "xyes"; then
752         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
753         AC_MSG_NOTICE([Disabled support for the profiler])
754 fi
755 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
756
757 if test "x$mono_feature_disable_decimal" = "xyes"; then
758         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
759         AC_MSG_NOTICE([Disabled support for decimal])
760 fi
761
762 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
763         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
764         AC_MSG_NOTICE([Disabled support for P/Invoke])
765 fi
766
767 if test "x$mono_feature_disable_debug" = "xyes"; then
768         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
769         AC_MSG_NOTICE([Disabled support for runtime debugging])
770 fi
771
772 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
773         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
774         mono_feature_disable_reflection_emit_save=yes
775         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
776 fi
777
778 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
779         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
780         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
781 fi
782
783 if test "x$mono_feature_disable_large_code" = "xyes"; then
784         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
785         AC_MSG_NOTICE([Disabled support for large assemblies])
786 fi
787
788 if test "x$mono_feature_disable_logging" = "xyes"; then
789         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
790         AC_MSG_NOTICE([Disabled support for logging])
791 fi
792
793 if test "x$mono_feature_disable_com" = "xyes"; then
794         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
795         AC_MSG_NOTICE([Disabled COM support])
796 fi
797
798 if test "x$mono_feature_disable_ssa" = "xyes"; then
799         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
800         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
801 fi
802
803 if test "x$mono_feature_disable_generics" = "xyes"; then
804         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
805         AC_MSG_NOTICE([Disabled Generics Support])
806 fi
807
808 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
809         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
810         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
811 fi
812
813 if test "x$mono_feature_disable_portability" = "xyes"; then
814         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
815         AC_MSG_NOTICE([Disabled IO Portability layer])
816 fi
817
818 if test "x$mono_feature_disable_attach" = "xyes"; then
819         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
820         AC_MSG_NOTICE([Disabled agent attach])
821 fi
822
823 if test "x$mono_feature_disable_full_messages" = "xyes"; then
824         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
825         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
826 fi
827
828 if test "x$mono_feature_disable_verifier" = "xyes"; then
829         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
830         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
831 fi
832
833 if test "x$mono_feature_disable_jit" = "xyes"; then
834         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
835         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
836 fi
837
838 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
839
840 if test "x$mono_feature_disable_simd" = "xyes"; then
841         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
842         AC_MSG_NOTICE([Disabled SIMD support])
843 fi
844
845 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
846         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
847         AC_MSG_NOTICE([Disabled Soft Debugger.])
848 fi
849
850 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
851         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
852         AC_MSG_NOTICE([Disabled Performance Counters.])
853 fi
854 if test "x$mono_feature_disable_normalization" = "xyes"; then
855         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
856         AC_MSG_NOTICE([Disabled String normalization support.])
857 fi
858
859 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
860         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
861         AC_MSG_NOTICE([Disabled Assembly remapping.])
862 fi
863
864 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
865         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
866         AC_MSG_NOTICE([Disabled Shared perfcounters.])
867 fi
868
869 if test "x$mono_feature_disable_appdomains" = "xyes"; then
870         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
871         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
872 fi
873
874 if test "x$mono_feature_disable_remoting" = "xyes"; then
875         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
876         AC_MSG_NOTICE([Disabled remoting])
877 fi
878
879 if test "x$mono_feature_disable_security" = "xyes"; then
880         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
881         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
882 fi
883
884 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
885         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
886         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
887 fi
888
889 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
890         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
891         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
892 fi
893
894 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
895         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
896         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
897 fi
898
899 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
900         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
901         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
902 fi
903
904 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
905         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
906         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
907 fi
908
909 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
910         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
911         AC_SUBST(DISABLE_SHARED_HANDLES)
912 fi
913
914 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
915 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
916
917 has_extension_module=no
918 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
919 [
920         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
921                 if test x$extension = xdefault ; then
922                         has_extension_module=yes;
923                 fi
924         done
925         if test x$enable_extension_module = xyes; then
926                 has_extension_module=yes;
927         fi
928 ], [])
929
930 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
931
932 if test x$has_extension_module != xno ; then
933         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
934         AC_MSG_NOTICE([Enabling mono extension module.])
935 fi
936
937 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
938 if test x$enable_gsharedvt = xyes; then
939         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
940 fi
941
942 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
943 if test x$enable_native_types = xyes; then
944         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
945 fi
946
947 AC_MSG_CHECKING(for visibility __attribute__)
948 AC_COMPILE_IFELSE([
949         AC_LANG_SOURCE([[
950                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
951                 int main () { doit (); return 0; }
952         ]])
953 ], [
954    have_visibility_hidden=yes
955    AC_MSG_RESULT(yes)
956 ], [
957    have_visibility_hidden=no
958    AC_MSG_RESULT(no)
959 ])
960
961 AC_MSG_CHECKING(for deprecated __attribute__)
962 AC_TRY_COMPILE([
963      int doit (void) __attribute__ ((deprecated));
964      int doit (void) { return 0; }
965 ], [
966         return 0;
967 ], [
968    have_deprecated=yes
969    AC_MSG_RESULT(yes)
970 ], [
971    have_deprecated=no
972    AC_MSG_RESULT(no)
973 ])
974
975 dnl
976 dnl Boehm GC configuration
977 dnl
978
979 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
980
981 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
982 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
983
984 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
985 if test x$enable_parallel_mark = xyes; then
986         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
987 fi
988
989 gc_msg=""
990 LIBGC_CPPFLAGS=
991 LIBGC_LIBS=
992 LIBGC_STATIC_LIBS=
993 libgc_dir=
994 case "x$libgc" in
995         xincluded)
996                 if test "x$support_boehm" = "xyes"; then
997                         libgc_dir=libgc
998                 fi
999
1000                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1001                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1002                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1003
1004                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1005
1006                 if test x$target_win32 = xyes; then
1007                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1008                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1009                 fi
1010
1011                 gc_msg="Included Boehm GC with typed GC"
1012                 if test x$enable_parallel_mark = xyes; then
1013                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1014                         gc_msg="$gc_msg and parallel mark"
1015                 else
1016                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1017                 fi
1018                 ;;
1019
1020         xboehm|xbohem|xyes)
1021                 AC_MSG_WARN("External Boehm is no longer supported")
1022                 ;;
1023
1024         xsgen)
1025                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1026                 ;;
1027
1028         xnone)
1029                 AC_MSG_WARN("Compiling mono without GC.")
1030                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1031                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1032                 gc_msg="none"
1033                 ;;
1034         *)
1035                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1036                 ;;
1037 esac
1038
1039 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1040 if test "x$large_heap" = "xyes"; then
1041    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1042 fi
1043
1044 AC_SUBST(LIBGC_CPPFLAGS)
1045 AC_SUBST(LIBGC_LIBS)
1046 AC_SUBST(LIBGC_STATIC_LIBS)
1047 AC_SUBST(libgc_dir)
1048 AC_SUBST(BOEHM_DEFINES)
1049
1050 dnl
1051 dnl End of Boehm GC Configuration
1052 dnl
1053
1054 dnl *************************************
1055 dnl *** Checks for zero length arrays ***
1056 dnl *************************************
1057 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1058 AC_TRY_COMPILE([
1059         struct s {
1060                 int  length;
1061                 char data [0];
1062         };
1063 ], [], [
1064         AC_MSG_RESULT(yes)
1065         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1066 ], [
1067         AC_MSG_RESULT(no)
1068         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1069 ])
1070
1071 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1072
1073 dnl ***********************************
1074 dnl *** Checks for signals
1075 dnl ***********************************
1076 AC_CHECK_HEADERS(signal.h)
1077 AC_CHECK_FUNCS(sigaction)
1078 AC_CHECK_FUNCS(kill)
1079 AC_CHECK_FUNCS(signal)
1080
1081 # signal() is declared inline in Android headers
1082 # so we need to workaround it by overriding the check.
1083 if test x$platform_android = xyes; then
1084         AC_DEFINE(HAVE_SIGNAL,1)
1085 fi
1086
1087 if test x$host_win32 = xno; then
1088
1089         dnl hires monotonic clock support
1090         AC_SEARCH_LIBS(clock_gettime, rt)
1091
1092         dnl dynamic loader support
1093         AC_CHECK_FUNC(dlopen, DL_LIB="",
1094                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1095         )
1096         if test x$dl_support = xno; then
1097                 AC_MSG_WARN([No dynamic loading support available])
1098         else
1099                 LIBS="$LIBS $DL_LIB"
1100                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1101                 dnl from glib's configure.ac
1102                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1103                         mono_cv_uscore,[
1104                         AC_TRY_RUN([#include <dlfcn.h>
1105                         int mono_underscore_test (void) { return 42; }
1106                         int main() {
1107                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1108                           handle = dlopen ((void*)0, 0);
1109                           if (handle) {
1110                             f1 = dlsym (handle, "mono_underscore_test");
1111                             f2 = dlsym (handle, "_mono_underscore_test");
1112                           } return (!f2 || f1);
1113                         }],
1114                                 [mono_cv_uscore=yes],
1115                                 [mono_cv_uscore=no],
1116                         [])
1117                 ])
1118                 if test "x$mono_cv_uscore" = "xyes"; then
1119                         MONO_DL_NEED_USCORE=1
1120                 else
1121                         MONO_DL_NEED_USCORE=0
1122                 fi
1123                 AC_SUBST(MONO_DL_NEED_USCORE)
1124                 AC_CHECK_FUNC(dlerror)
1125         fi
1126
1127         dnl ******************************************************************
1128         dnl *** Checks for the IKVM JNI interface library                  ***
1129         dnl ******************************************************************
1130         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])
1131
1132         ikvm_native_dir=
1133         if test x$with_ikvm_native = xyes; then
1134                 ikvm_native_dir=ikvm-native
1135                 jdk_headers_found="IKVM Native"
1136         fi
1137
1138         AC_SUBST(ikvm_native_dir)
1139
1140         AC_CHECK_HEADERS(execinfo.h)
1141
1142         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1143
1144         AC_CHECK_FUNCS(getgrgid_r)
1145         AC_CHECK_FUNCS(getgrnam_r)
1146         AC_CHECK_FUNCS(getpwnam_r)
1147         AC_CHECK_FUNCS(getpwuid_r)
1148         AC_CHECK_FUNCS(getresuid)
1149         AC_CHECK_FUNCS(setresuid)
1150         AC_CHECK_FUNCS(kqueue)
1151         AC_CHECK_FUNCS(backtrace_symbols)
1152         AC_CHECK_FUNCS(mkstemp)
1153         AC_CHECK_FUNCS(mmap)
1154         AC_CHECK_FUNCS(madvise)
1155         AC_CHECK_FUNCS(getrusage)
1156         AC_CHECK_FUNCS(getpriority)
1157         AC_CHECK_FUNCS(setpriority)
1158         AC_CHECK_FUNCS(dl_iterate_phdr)
1159         AC_CHECK_FUNCS(dladdr)
1160         AC_CHECK_FUNCS(sysconf)
1161         AC_CHECK_FUNCS(getrlimit)
1162         AC_CHECK_FUNCS(prctl)
1163
1164         AC_CHECK_FUNCS(sched_setaffinity)
1165         AC_CHECK_FUNCS(sched_getcpu)
1166
1167         dnl ****************************************************************
1168         dnl *** Check for sched_setaffinity from glibc versions before   ***
1169         dnl *** 2.3.4. The older versions of the function only take 2    ***
1170         dnl *** parameters, not 3.                                       ***
1171         dnl ***                                                          ***
1172         dnl *** Because the interface change was not made in a minor     ***
1173         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1174         dnl *** won't always indicate the interface sched_affinity has.  ***
1175         dnl ****************************************************************
1176         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1177         AC_TRY_COMPILE([#include <sched.h>], [
1178             int mask = 1; 
1179             sched_setaffinity(0, &mask);
1180                         return 0;
1181         ], [
1182                 # Yes, we have it...
1183                 AC_MSG_RESULT(yes)
1184                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1185         ], [
1186                 # We have the new, three-parameter version
1187                 AC_MSG_RESULT(no)
1188         ])
1189
1190
1191         dnl ******************************************************************
1192         dnl *** Check for large file support                               ***
1193         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1194         dnl ******************************************************************
1195         
1196         # Check that off_t can represent 2**63 - 1 correctly, working around
1197         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1198         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1199         large_offt=no
1200         AC_DEFUN([LARGE_FILES], [
1201                 large_CPPFLAGS=$CPPFLAGS
1202                 CPPFLAGS="$CPPFLAGS $1"
1203                 AC_TRY_COMPILE([
1204                         #include <sys/types.h>
1205                         #include <limits.h>
1206                 ], [
1207                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1208                         #define COMPILE_TIME_ASSERT(pred) \
1209                                 switch(0){case 0:case pred:;}
1210                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1211                 ], [
1212                         AC_MSG_RESULT(ok)
1213                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1214                         large_CPPFLAGS="$large_CPPFLAGS $1"
1215                         large_offt=yes
1216                 ], [
1217                         AC_MSG_RESULT(no)
1218                 ])
1219                 CPPFLAGS=$large_CPPFLAGS
1220         ])
1221
1222         AC_MSG_CHECKING(if off_t is 64 bits wide)
1223         LARGE_FILES("")
1224         if test $large_offt = no; then
1225                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1226                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1227         fi
1228         if test $large_offt = no; then
1229                 AC_MSG_WARN([No 64 bit file size support available])
1230         fi
1231         
1232         dnl *****************************
1233         dnl *** Checks for libsocket  ***
1234         dnl *****************************
1235         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1236
1237         case "$host" in
1238                 *-*-*freebsd*)
1239                         dnl *****************************
1240                         dnl *** Checks for libinotify ***
1241                         dnl *****************************
1242                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1243         esac
1244
1245         dnl *******************************
1246         dnl *** Checks for MSG_NOSIGNAL ***
1247         dnl *******************************
1248         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1249         AC_TRY_COMPILE([#include <sys/socket.h>], [
1250                 int f = MSG_NOSIGNAL;
1251         ], [
1252                 # Yes, we have it...
1253                 AC_MSG_RESULT(yes)
1254                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1255         ], [
1256                 # We'll have to use signals
1257                 AC_MSG_RESULT(no)
1258         ])
1259
1260         dnl *****************************
1261         dnl *** Checks for IPPROTO_IP ***
1262         dnl *****************************
1263         AC_MSG_CHECKING(for IPPROTO_IP)
1264         AC_TRY_COMPILE([#include <netinet/in.h>], [
1265                 int level = IPPROTO_IP;
1266         ], [
1267                 # Yes, we have it...
1268                 AC_MSG_RESULT(yes)
1269                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1270         ], [
1271                 # We'll have to use getprotobyname
1272                 AC_MSG_RESULT(no)
1273         ])
1274
1275         dnl *******************************
1276         dnl *** Checks for IPPROTO_IPV6 ***
1277         dnl *******************************
1278         AC_MSG_CHECKING(for IPPROTO_IPV6)
1279         AC_TRY_COMPILE([#include <netinet/in.h>], [
1280                 int level = IPPROTO_IPV6;
1281         ], [
1282                 # Yes, we have it...
1283                 AC_MSG_RESULT(yes)
1284                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1285         ], [
1286                 # We'll have to use getprotobyname
1287                 AC_MSG_RESULT(no)
1288         ])
1289
1290         dnl ******************************
1291         dnl *** Checks for IPPROTO_TCP ***
1292         dnl ******************************
1293         AC_MSG_CHECKING(for IPPROTO_TCP)
1294         AC_TRY_COMPILE([#include <netinet/in.h>], [
1295                 int level = IPPROTO_TCP;
1296         ], [
1297                 # Yes, we have it...
1298                 AC_MSG_RESULT(yes)
1299                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1300         ], [
1301                 # We'll have to use getprotobyname
1302                 AC_MSG_RESULT(no)
1303         ])
1304
1305         dnl *****************************
1306         dnl *** Checks for SOL_IP     ***
1307         dnl *****************************
1308         AC_MSG_CHECKING(for SOL_IP)
1309         AC_TRY_COMPILE([#include <netdb.h>], [
1310                 int level = SOL_IP;
1311         ], [
1312                 # Yes, we have it...
1313                 AC_MSG_RESULT(yes)
1314                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1315         ], [
1316                 # We'll have to use getprotobyname
1317                 AC_MSG_RESULT(no)
1318         ])
1319
1320         dnl *****************************
1321         dnl *** Checks for SOL_IPV6     ***
1322         dnl *****************************
1323         AC_MSG_CHECKING(for SOL_IPV6)
1324         AC_TRY_COMPILE([#include <netdb.h>], [
1325                 int level = SOL_IPV6;
1326         ], [
1327                 # Yes, we have it...
1328                 AC_MSG_RESULT(yes)
1329                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1330         ], [
1331                 # We'll have to use getprotobyname
1332                 AC_MSG_RESULT(no)
1333         ])
1334
1335         dnl *****************************
1336         dnl *** Checks for SOL_TCP    ***
1337         dnl *****************************
1338         AC_MSG_CHECKING(for SOL_TCP)
1339         AC_TRY_COMPILE([#include <netdb.h>], [
1340                 int level = SOL_TCP;
1341         ], [
1342                 # Yes, we have it...
1343                 AC_MSG_RESULT(yes)
1344                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1345         ], [
1346                 # We'll have to use getprotobyname
1347                 AC_MSG_RESULT(no)
1348         ])
1349
1350         dnl *****************************
1351         dnl *** Checks for IP_PKTINFO ***
1352         dnl *****************************
1353         AC_MSG_CHECKING(for IP_PKTINFO)
1354         AC_TRY_COMPILE([#include <linux/in.h>], [
1355                 int level = IP_PKTINFO;
1356         ], [
1357                 # Yes, we have it...
1358                 AC_MSG_RESULT(yes)
1359                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1360         ], [
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl *****************************
1365         dnl *** Checks for IPV6_PKTINFO ***
1366         dnl *****************************
1367         AC_MSG_CHECKING(for IPV6_PKTINFO)
1368         AC_TRY_COMPILE([#include <netdb.h>], [
1369                 int level = IPV6_PKTINFO;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1374         ], [
1375                 AC_MSG_RESULT(no)
1376         ])
1377
1378         dnl **********************************
1379         dnl *** Checks for IP_DONTFRAG     ***
1380         dnl **********************************
1381         AC_MSG_CHECKING(for IP_DONTFRAG)
1382         AC_TRY_COMPILE([#include <netinet/in.h>], [
1383                 int level = IP_DONTFRAG;
1384         ], [
1385                 # Yes, we have it...
1386                 AC_MSG_RESULT(yes)
1387                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1388         ], [
1389                 AC_MSG_RESULT(no)
1390         ])
1391
1392         dnl **********************************
1393         dnl *** Checks for IP_DONTFRAGMENT ***
1394         dnl **********************************
1395         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1396         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1397                 int level = IP_DONTFRAGMENT;
1398         ], [
1399                 # Yes, we have it...
1400                 AC_MSG_RESULT(yes)
1401                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1402         ], [
1403                 AC_MSG_RESULT(no)
1404         ])
1405
1406         dnl **********************************
1407         dnl *** Checks for IP_MTU_DISCOVER ***
1408         dnl **********************************
1409         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1410         AC_TRY_COMPILE([#include <linux/in.h>], [
1411                 int level = IP_MTU_DISCOVER;
1412         ], [
1413                 # Yes, we have it...
1414                 AC_MSG_RESULT(yes)
1415                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1416         ], [
1417                 AC_MSG_RESULT(no)
1418         ])
1419
1420         dnl **********************************
1421         dnl *** Checks for  IP_PMTUDISC_DO ***
1422         dnl **********************************
1423         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1424         AC_TRY_COMPILE([#include <linux/in.h>], [
1425                 int level = IP_PMTUDISC_DO;
1426         ], [
1427                 # Yes, we have it...
1428                 AC_MSG_RESULT(yes)
1429                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1430         ], [
1431                 AC_MSG_RESULT(no)
1432         ])
1433
1434         dnl *********************************
1435         dnl *** Check for struct ip_mreqn ***
1436         dnl *********************************
1437         AC_MSG_CHECKING(for struct ip_mreqn)
1438         AC_TRY_COMPILE([#include <netinet/in.h>], [
1439                 struct ip_mreqn mreq;
1440                 mreq.imr_address.s_addr = 0;
1441         ], [
1442                 # Yes, we have it...
1443                 AC_MSG_RESULT(yes)
1444                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1445         ], [
1446                 # We'll just have to try and use struct ip_mreq
1447                 AC_MSG_RESULT(no)
1448                 AC_MSG_CHECKING(for struct ip_mreq)
1449                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1450                         struct ip_mreq mreq;
1451                         mreq.imr_interface.s_addr = 0;
1452                 ], [
1453                         # Yes, we have it...
1454                         AC_MSG_RESULT(yes)
1455                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1456                 ], [
1457                         # No multicast support
1458                         AC_MSG_RESULT(no)
1459                 ])
1460         ])
1461         
1462         dnl **********************************
1463         dnl *** Check for getaddrinfo ***
1464         dnl **********************************
1465         AC_MSG_CHECKING(for getaddrinfo)
1466                 AC_TRY_LINK([
1467                 #include <stdio.h>
1468                 #include <netdb.h>
1469         ], [
1470                 getaddrinfo(NULL,NULL,NULL,NULL);
1471         ], [
1472                 # Yes, we have it...
1473                 AC_MSG_RESULT(yes)
1474                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1475         ], [
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl **********************************
1480         dnl *** Check for gethostbyname2_r ***
1481         dnl **********************************
1482         AC_MSG_CHECKING(for gethostbyname2_r)
1483                 AC_TRY_LINK([
1484                 #include <stdio.h>
1485                 #include <netdb.h>
1486         ], [
1487
1488                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1493         ], [
1494                 AC_MSG_RESULT(no)
1495         ])
1496
1497         dnl **********************************
1498         dnl *** Check for gethostbyname2 ***
1499         dnl **********************************
1500         AC_MSG_CHECKING(for gethostbyname2)
1501                 AC_TRY_LINK([
1502                 #include <stdio.h>
1503                 #include <netdb.h>
1504         ], [
1505                 gethostbyname2(NULL,0);
1506         ], [
1507                 # Yes, we have it...
1508                 AC_MSG_RESULT(yes)
1509                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1510         ], [
1511                 AC_MSG_RESULT(no)
1512         ])
1513
1514         dnl **********************************
1515         dnl *** Check for gethostbyname ***
1516         dnl **********************************
1517         AC_MSG_CHECKING(for gethostbyname)
1518                 AC_TRY_LINK([
1519                 #include <stdio.h>
1520                 #include <netdb.h>
1521         ], [
1522                 gethostbyname(NULL);
1523         ], [
1524                 # Yes, we have it...
1525                 AC_MSG_RESULT(yes)
1526                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1527         ], [
1528                 AC_MSG_RESULT(no)
1529         ])
1530
1531         dnl **********************************
1532         dnl *** Check for getprotobyname ***
1533         dnl **********************************
1534         AC_MSG_CHECKING(for getprotobyname)
1535                 AC_TRY_LINK([
1536                 #include <stdio.h>
1537                 #include <netdb.h>
1538         ], [
1539                 getprotobyname(NULL);
1540         ], [
1541                 # Yes, we have it...
1542                 AC_MSG_RESULT(yes)
1543                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1544         ], [
1545                 AC_MSG_RESULT(no)
1546         ])
1547
1548         dnl **********************************
1549         dnl *** Check for getnameinfo ***
1550         dnl **********************************
1551         AC_MSG_CHECKING(for getnameinfo)
1552                 AC_TRY_LINK([
1553                 #include <stdio.h>
1554                 #include <netdb.h>
1555         ], [
1556                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1557         ], [
1558                 # Yes, we have it...
1559                 AC_MSG_RESULT(yes)
1560                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1561         ], [
1562                 AC_MSG_RESULT(no)
1563         ])
1564
1565
1566         dnl **********************************
1567         dnl *** Check for inet_ntop ***
1568         dnl **********************************
1569         AC_MSG_CHECKING(for inet_ntop)
1570                 AC_TRY_LINK([
1571                 #include <stdio.h>
1572                 #include <arpa/inet.h>
1573         ], [
1574                 inet_ntop (0, NULL, NULL, 0);
1575         ], [
1576                 # Yes, we have it...
1577                 AC_MSG_RESULT(yes)
1578                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1579         ], [
1580                 AC_MSG_RESULT(no)
1581         ])
1582
1583         dnl *****************************
1584         dnl *** Checks for libnsl     ***
1585         dnl *****************************
1586         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1587
1588         AC_CHECK_FUNCS(inet_pton inet_aton)
1589
1590         dnl *****************************
1591         dnl *** Checks for libxnet    ***
1592         dnl *****************************
1593         case "${host}" in
1594                 *solaris* )
1595                         AC_MSG_CHECKING(for Solaris XPG4 support)
1596                         if test -f /usr/lib/libxnet.so; then
1597                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1598                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1599                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1600                                 LIBS="$LIBS -lxnet"
1601                                 AC_MSG_RESULT(yes)
1602                         else
1603                                 AC_MSG_RESULT(no)
1604                         fi
1605
1606                         if test "$GCC" = "yes"; then
1607                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1608                         fi
1609                 ;;
1610         esac
1611
1612         dnl *****************************
1613         dnl *** Checks for libpthread ***
1614         dnl *****************************
1615 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1616 # and libpthread does not exist
1617 #
1618         case "${host}" in
1619                 *-*-*freebsd*)
1620                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1621                 ;;
1622                 *-*-*openbsd*)
1623                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1624                 ;;
1625                 *)
1626                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1627                 ;;
1628         esac
1629         AC_CHECK_HEADERS(pthread.h)
1630         AC_CHECK_HEADERS(pthread_np.h)
1631         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1632         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1633         AC_CHECK_FUNCS(pthread_kill)
1634         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1635         AC_TRY_COMPILE([ #include <pthread.h>], [
1636                 pthread_mutexattr_t attr;
1637                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1638         ], [
1639                 AC_MSG_RESULT(ok)
1640         ], [
1641                 AC_MSG_RESULT(no)
1642                 AC_ERROR(Posix system lacks support for recursive mutexes)
1643         ])
1644         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1645         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1646         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1647
1648         dnl **********************************
1649         dnl *** Check for mincore ***
1650         dnl **********************************
1651         AC_MSG_CHECKING(for mincore)
1652                 AC_TRY_LINK([
1653                 #include <stdio.h>
1654                 #include <sys/types.h>
1655                 #include <sys/mman.h>
1656         ], [
1657                 mincore(NULL, 0, NULL);
1658         ], [
1659                 # Yes, we have it...
1660                 AC_MSG_RESULT(yes)
1661                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1662         ], [
1663                 AC_MSG_RESULT(no)
1664         ])
1665
1666         dnl ***********************************
1667         dnl *** Checks for working __thread ***
1668         dnl ***********************************
1669         AC_MSG_CHECKING(for working __thread)
1670         if test "x$with_tls" != "x__thread"; then
1671                 AC_MSG_RESULT(disabled)
1672         elif test "x$cross_compiling" = "xyes"; then
1673                 AC_MSG_RESULT(cross compiling, assuming yes)
1674         else
1675                 AC_TRY_RUN([
1676                         #if defined(__APPLE__) && defined(__clang__)
1677                         #error "__thread does not currently work with clang on Mac OS X"
1678                         #endif
1679                         
1680                         #include <pthread.h>
1681                         __thread int i;
1682                         static int res1, res2;
1683
1684                         void thread_main (void *arg)
1685                         {
1686                                 i = arg;
1687                                 sleep (1);
1688                                 if (arg == 1)
1689                                         res1 = (i == arg);
1690                                 else
1691                                         res2 = (i == arg);
1692                         }
1693
1694                         int main () {
1695                                 pthread_t t1, t2;
1696
1697                                 i = 5;
1698
1699                                 pthread_create (&t1, NULL, thread_main, 1);
1700                                 pthread_create (&t2, NULL, thread_main, 2);
1701
1702                                 pthread_join (t1, NULL);
1703                                 pthread_join (t2, NULL);
1704
1705                                 return !(res1 + res2 == 2);
1706                         }
1707                 ], [
1708                                 AC_MSG_RESULT(yes)
1709                 ], [
1710                                 AC_MSG_RESULT(no)
1711                                 with_tls=pthread
1712                 ])
1713         fi
1714
1715         dnl **************************************
1716         dnl *** Checks for working sigaltstack ***
1717         dnl **************************************
1718         AC_MSG_CHECKING(for working sigaltstack)
1719         if test "x$with_sigaltstack" != "xyes"; then
1720                 AC_MSG_RESULT(disabled)
1721         elif test "x$cross_compiling" = "xyes"; then
1722                 AC_MSG_RESULT(cross compiling, assuming yes)
1723         else
1724                 AC_TRY_RUN([
1725                         #include <stdio.h>
1726                         #include <stdlib.h>
1727                         #include <unistd.h>
1728                         #include <signal.h>
1729                         #include <pthread.h>
1730                         #include <sys/wait.h>
1731                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1732                         #define SA_STACK SA_ONSTACK
1733                         #endif
1734                         static void
1735                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1736                         {
1737                                 exit (0);
1738                         }
1739
1740                         volatile char*__ptr = NULL;
1741                         static void *
1742                         loop (void *ignored)
1743                         {
1744                                 *__ptr = 0;
1745                                 return NULL;
1746                         }
1747
1748                         static void
1749                         child ()
1750                         {
1751                                 struct sigaction sa;
1752                         #ifdef __APPLE__
1753                                 stack_t sas;
1754                         #else
1755                                 struct sigaltstack sas;
1756                         #endif
1757                                 pthread_t id;
1758                                 pthread_attr_t attr;
1759
1760                                 sa.sa_sigaction = sigsegv_signal_handler;
1761                                 sigemptyset (&sa.sa_mask);
1762                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1763                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1764                                         perror ("sigaction");
1765                                         return;
1766                                 }
1767
1768                                 /* x86 darwin deliver segfaults using SIGBUS */
1769                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1770                                         perror ("sigaction");
1771                                         return;
1772                                 }
1773                                 sas.ss_sp = malloc (SIGSTKSZ);
1774                                 sas.ss_size = SIGSTKSZ;
1775                                 sas.ss_flags = 0;
1776                                 if (sigaltstack (&sas, NULL) == -1) {
1777                                         perror ("sigaltstack");
1778                                         return;
1779                                 }
1780
1781                                 pthread_attr_init (&attr);
1782                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1783                                         printf ("pthread_create\n");
1784                                         return;
1785                                 }
1786
1787                                 sleep (100);
1788                         }
1789
1790                         int
1791                         main ()
1792                         {
1793                                 pid_t son;
1794                                 int status;
1795                                 int i;
1796
1797                                 son = fork ();
1798                                 if (son == -1) {
1799                                         return 1;
1800                                 }
1801
1802                                 if (son == 0) {
1803                                         child ();
1804                                         return 0;
1805                                 }
1806
1807                                 for (i = 0; i < 300; ++i) {
1808                                         waitpid (son, &status, WNOHANG);
1809                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1810                                                 return 0;
1811                                         usleep (10000);
1812                                 }
1813
1814                                 kill (son, SIGKILL);
1815                                 return 1;
1816                         }
1817
1818                 ], [
1819                                 AC_MSG_RESULT(yes)
1820                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1821                 ], [
1822                                 with_sigaltstack=no
1823                                 AC_MSG_RESULT(no)
1824                 ])
1825         fi
1826
1827         dnl ********************************
1828         dnl *** Checks for semaphore lib ***
1829         dnl ********************************
1830         # 'Real Time' functions on Solaris
1831         # posix4 on Solaris 2.6
1832         # pthread (first!) on Linux
1833         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
1834
1835         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
1836         AC_CHECK_FUNCS(shm_open)
1837
1838         dnl ********************************
1839         dnl *** Checks for timezone stuff **
1840         dnl ********************************
1841         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1842                 AC_TRY_COMPILE([
1843                         #include <time.h>
1844                         ], [
1845                         struct tm tm;
1846                         tm.tm_gmtoff = 1;
1847                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1848         if test $ac_cv_struct_tm_gmtoff = yes; then
1849                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1850         else
1851                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1852                         AC_TRY_COMPILE([
1853                                 #include <time.h>
1854                         ], [
1855                                 timezone = 1;
1856                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1857                 if test $ac_cv_var_timezone = yes; then
1858                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1859                 else
1860                         AC_ERROR(unable to find a way to determine timezone)
1861                 fi
1862         fi
1863
1864         dnl *********************************
1865         dnl *** Checks for math functions ***
1866         dnl *********************************
1867         AC_SEARCH_LIBS(sqrtf, m)
1868         if test "x$has_broken_apple_cpp" != "xyes"; then
1869                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1870                         AC_TRY_LINK([#include <math.h>], 
1871                         [ finite(0.0); ], 
1872                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1873                         AC_MSG_RESULT(no)))
1874         fi
1875         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1876                 AC_TRY_LINK([#include <math.h>], 
1877                 [ isfinite(0.0); ], 
1878                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1879                 AC_MSG_RESULT(no)))
1880
1881         dnl ****************************************************************
1882         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1883         dnl *** have it in the library (duh))                            ***
1884         dnl ****************************************************************
1885         AC_CHECK_FUNCS(poll)
1886
1887         dnl *************************
1888         dnl *** Check for signbit ***
1889         dnl *************************
1890         AC_MSG_CHECKING(for signbit)
1891         AC_TRY_LINK([#include <math.h>], [
1892                 int s = signbit(1.0);
1893         ], [
1894                 AC_MSG_RESULT(yes)
1895                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1896         ], [
1897                 AC_MSG_RESULT(no)
1898         ]) 
1899
1900         dnl **********************************
1901         dnl *** epoll                      ***
1902         dnl **********************************
1903         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1904                 AC_CHECK_HEADERS(sys/epoll.h)
1905                 haveepoll=no
1906                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1907                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1908                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1909                 fi
1910         fi
1911
1912         havekqueue=no
1913
1914         AC_CHECK_HEADERS(sys/event.h)
1915         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1916
1917         dnl **************************************
1918         dnl * Darwin has a race that prevents us from using reliably:
1919         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1920         dnl * Since kqueue is mostly used for scaling large web servers, 
1921         dnl * and very few folks run Mono on large web servers on OSX, falling
1922         dnl * back 
1923         dnl **************************************
1924         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1925                 if test "x$host_darwin" = "xno"; then
1926                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1927                 fi
1928         fi
1929
1930         dnl ******************************
1931         dnl *** Checks for SIOCGIFCONF ***
1932         dnl ******************************
1933         AC_CHECK_HEADERS(sys/ioctl.h)
1934         AC_CHECK_HEADERS(net/if.h, [], [],
1935            [
1936            #ifdef HAVE_SYS_TYPES_H
1937            # include <sys/types.h>
1938            #endif
1939            #ifdef HAVE_SYS_SOCKET_H
1940            # include <sys/socket.h>
1941            #endif
1942            ])
1943         AC_MSG_CHECKING(for ifreq)
1944         AC_TRY_COMPILE([
1945                 #include <stdio.h>
1946                 #include <sys/ioctl.h>
1947                 #include <net/if.h>
1948                 ], [
1949                 struct ifconf ifc;
1950                 struct ifreq *ifr;
1951                 void *x;
1952                 ifc.ifc_len = 0;
1953                 ifc.ifc_buf = NULL;
1954                 x = (void *) &ifr->ifr_addr;
1955                 ],[
1956                         AC_MSG_RESULT(yes)
1957                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1958                 ], [
1959                         AC_MSG_RESULT(no)
1960                 ])
1961         dnl **********************************
1962         dnl ***     Checks for sin_len     ***
1963         dnl **********************************
1964         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1965         AC_TRY_COMPILE([
1966                 #include <netinet/in.h>
1967                 ], [
1968                 struct sockaddr_in saddr;
1969                 saddr.sin_len = sizeof (saddr);
1970                 ],[
1971                         AC_MSG_RESULT(yes)
1972                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1973                 ], [
1974                         AC_MSG_RESULT(no)
1975                 ])      
1976         dnl **********************************
1977         dnl ***    Checks for sin6_len     ***
1978         dnl **********************************
1979         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1980         AC_TRY_COMPILE([
1981                 #include <netinet/in.h>
1982                 ], [
1983                 struct sockaddr_in6 saddr6;
1984                 saddr6.sin6_len = sizeof (saddr6);
1985                 ],[
1986                         AC_MSG_RESULT(yes)
1987                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1988                 ], [
1989                         AC_MSG_RESULT(no)
1990                 ])
1991         dnl **********************************
1992         dnl *** Check for getifaddrs       ***
1993         dnl **********************************
1994         AC_MSG_CHECKING(for getifaddrs)
1995                 AC_TRY_LINK([
1996                 #include <stdio.h>
1997                 #include <sys/types.h>
1998                 #include <sys/socket.h>
1999                 #include <ifaddrs.h>
2000         ], [
2001                 getifaddrs(NULL);
2002         ], [
2003                 # Yes, we have it...
2004                 AC_MSG_RESULT(yes)
2005                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2006         ], [
2007                 AC_MSG_RESULT(no)
2008         ])
2009         dnl **********************************
2010         dnl *** Check for if_nametoindex   ***
2011         dnl **********************************
2012         AC_MSG_CHECKING(for if_nametoindex)
2013                 AC_TRY_LINK([
2014                 #include <stdio.h>
2015                 #include <sys/types.h>
2016                 #include <sys/socket.h>
2017                 #include <net/if.h>
2018         ], [
2019                 if_nametoindex(NULL);
2020         ], [
2021                 # Yes, we have it...
2022                 AC_MSG_RESULT(yes)
2023                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2024         ], [
2025                 AC_MSG_RESULT(no)
2026         ])
2027                         
2028         dnl **********************************
2029         dnl *** Checks for MonoPosixHelper ***
2030         dnl **********************************
2031         AC_CHECK_HEADERS(checklist.h)
2032         AC_CHECK_HEADERS(pathconf.h)
2033         AC_CHECK_HEADERS(fstab.h)
2034         AC_CHECK_HEADERS(attr/xattr.h)
2035         AC_CHECK_HEADERS(sys/extattr.h)
2036         AC_CHECK_HEADERS(sys/sendfile.h)
2037         AC_CHECK_HEADERS(sys/statvfs.h)
2038         AC_CHECK_HEADERS(sys/statfs.h)
2039         AC_CHECK_HEADERS(sys/vfstab.h)
2040         AC_CHECK_HEADERS(sys/xattr.h)
2041         AC_CHECK_HEADERS(sys/mman.h)
2042         AC_CHECK_HEADERS(sys/param.h)
2043         AC_CHECK_HEADERS(sys/mount.h, [], [],
2044                 [
2045                 #ifdef HAVE_SYS_PARAM_H
2046                 # include <sys/param.h>
2047                 #endif
2048                 ])
2049         AC_CHECK_HEADERS(sys/mount.h)
2050         AC_CHECK_FUNCS(confstr)
2051         AC_CHECK_FUNCS(seekdir telldir)
2052         AC_CHECK_FUNCS(getdomainname)
2053         AC_CHECK_FUNCS(setdomainname)
2054         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2055         AC_CHECK_FUNCS(setgroups)
2056         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2057         AC_CHECK_FUNCS(getfsstat)
2058         AC_CHECK_FUNCS(lutimes futimes)
2059         AC_CHECK_FUNCS(mremap)
2060         AC_CHECK_FUNCS(remap_file_pages)
2061         AC_CHECK_FUNCS(posix_fadvise)
2062         AC_CHECK_FUNCS(posix_fallocate)
2063         AC_CHECK_FUNCS(posix_madvise)
2064         AC_CHECK_FUNCS(vsnprintf)
2065         AC_CHECK_FUNCS(sendfile)
2066         AC_CHECK_FUNCS(gethostid sethostid)
2067         AC_CHECK_FUNCS(sethostname)
2068         AC_CHECK_FUNCS(statfs)
2069         AC_CHECK_FUNCS(fstatfs)
2070         AC_CHECK_FUNCS(statvfs)
2071         AC_CHECK_FUNCS(fstatvfs)
2072         AC_CHECK_FUNCS(stime)
2073         AC_CHECK_FUNCS(strerror_r)
2074         AC_CHECK_FUNCS(ttyname_r)
2075         AC_CHECK_FUNCS(psignal)
2076         AC_CHECK_FUNCS(getlogin_r)
2077         AC_CHECK_FUNCS(lockf)
2078         AC_CHECK_FUNCS(swab)
2079         AC_CHECK_FUNCS(setusershell endusershell)
2080         AC_CHECK_FUNCS(futimens utimensat)
2081         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2082         AC_CHECK_FUNCS(readv writev preadv pwritev)
2083         AC_CHECK_FUNCS(setpgid)
2084         AC_CHECK_FUNCS(system)
2085         AC_CHECK_FUNCS(fork execv execve)
2086         AC_CHECK_SIZEOF(size_t)
2087         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2088                 [#include <sys/types.h>
2089                  #include <sys/stat.h>
2090                  #include <unistd.h>])
2091         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2092                 [#include <sys/types.h>
2093                  #include <sys/stat.h>
2094                  #include <unistd.h>])
2095         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2096                 [#include <sys/time.h>])
2097         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2098                 [#include <unistd.h>
2099                  #include <fcntl.h>])
2100         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2101                 [#include <sys/uio.h>])
2102         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2103                 [#include <sys/socket.h>])
2104         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2105                 [#include <sys/poll.h>])
2106         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2107                 [#include <sys/types.h>
2108                  #include <sys/stat.h>
2109                  #include <unistd.h>])
2110         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2111                 [#include <time.h>])
2112         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2113                 [#include <sys/time.h>
2114                  #include <sys/types.h>
2115                  #include <utime.h>])
2116         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2117                 [#include <sys/time.h>])
2118         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2119                 [#include <sys/types.h>
2120                  #include <utime.h>])
2121         AC_CHECK_MEMBERS(
2122                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2123                 [#include <sys/types.h>
2124                  #include <dirent.h>])
2125         AC_CHECK_MEMBERS(
2126                 [struct passwd.pw_gecos],,, 
2127                 [#include <sys/types.h>
2128                  #include <pwd.h>])
2129         AC_CHECK_MEMBERS(
2130                 [struct statfs.f_flags],,, 
2131                 [#include <sys/types.h>
2132                  #include <sys/vfs.h>])
2133         AC_CHECK_MEMBERS(
2134                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2135                 [#include <sys/types.h>
2136                  #include <sys/stat.h>
2137                  #include <unistd.h>])
2138
2139         dnl Favour xattr through glibc, but use libattr if we have to
2140         AC_CHECK_FUNC(lsetxattr, ,
2141                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2142         )
2143         AC_SUBST(XATTR_LIB)
2144
2145         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2146         AC_CHECK_MEMBERS(
2147                 [struct kinfo_proc.kp_proc],,, 
2148                 [#include <sys/types.h>
2149                  #include <sys/param.h>
2150                  #include <sys/sysctl.h>
2151                  #include <sys/proc.h>
2152                  ])
2153
2154         dnl *********************************
2155         dnl *** Checks for Windows compilation ***
2156         dnl *********************************
2157         AC_CHECK_HEADERS(sys/time.h)
2158         AC_CHECK_HEADERS(sys/param.h)
2159         AC_CHECK_HEADERS(dirent.h)
2160
2161         dnl ******************************************
2162         dnl *** Checks for OSX and iOS compilation ***
2163         dnl ******************************************
2164         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2165
2166         dnl *********************************
2167         dnl *** Check for Console 2.0 I/O ***
2168         dnl *********************************
2169         AC_CHECK_HEADERS([curses.h])
2170         AC_CHECK_HEADERS([term.h], [], [],
2171         [#if HAVE_CURSES_H
2172          #include <curses.h>
2173          #endif
2174         ])
2175         AC_CHECK_HEADERS([termios.h])
2176 else
2177         dnl *********************************
2178         dnl *** Checks for Windows compilation ***
2179         dnl *********************************
2180         AC_CHECK_HEADERS(winternl.h)
2181
2182         jdk_headers_found=no
2183         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2184         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2185         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2186         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2187         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2188         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2189         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2190
2191         dnl *********************************
2192         dnl *** Check for struct ip_mreqn ***
2193         dnl *********************************
2194         AC_MSG_CHECKING(for struct ip_mreqn)
2195         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2196                 struct ip_mreqn mreq;
2197                 mreq.imr_address.s_addr = 0;
2198         ], [
2199                 # Yes, we have it...
2200                 AC_MSG_RESULT(yes)
2201                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2202         ], [
2203                 # We'll just have to try and use struct ip_mreq
2204                 AC_MSG_RESULT(no)
2205                 AC_MSG_CHECKING(for struct ip_mreq)
2206                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2207                         struct ip_mreq mreq;
2208                         mreq.imr_interface.s_addr = 0;
2209                 ], [
2210                         # Yes, we have it...
2211                         AC_MSG_RESULT(yes)
2212                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2213                 ], [
2214                         # No multicast support
2215                         AC_MSG_RESULT(no)
2216                 ])
2217         ])
2218
2219         dnl **********************************
2220         dnl *** Check for getaddrinfo ***
2221         dnl **********************************
2222         AC_MSG_CHECKING(for getaddrinfo)
2223                 AC_TRY_LINK([
2224                 #include <stdio.h>
2225                 #include <winsock2.h>
2226                 #include <ws2tcpip.h>
2227         ], [
2228                 getaddrinfo(NULL,NULL,NULL,NULL);
2229         ], [
2230                 # Yes, we have it...
2231                 AC_MSG_RESULT(yes)
2232                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2233         ], [
2234                 AC_MSG_RESULT(no)
2235         ])
2236
2237         dnl **********************************
2238         dnl *** Check for gethostbyname ***
2239         dnl **********************************
2240         AC_MSG_CHECKING(for gethostbyname)
2241                 AC_TRY_LINK([
2242                 #include <stdio.h>
2243                 #include <winsock2.h>
2244                 #include <ws2tcpip.h>
2245         ], [
2246                 gethostbyname(NULL);
2247         ], [
2248                 # Yes, we have it...
2249                 AC_MSG_RESULT(yes)
2250                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2251         ], [
2252                 AC_MSG_RESULT(no)
2253         ])
2254
2255         dnl **********************************
2256         dnl *** Check for getprotobyname ***
2257         dnl **********************************
2258         AC_MSG_CHECKING(for getprotobyname)
2259                 AC_TRY_LINK([
2260                 #include <stdio.h>
2261                 #include <winsock2.h>
2262                 #include <ws2tcpip.h>
2263         ], [
2264                 getprotobyname(NULL);
2265         ], [
2266                 # Yes, we have it...
2267                 AC_MSG_RESULT(yes)
2268                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2269         ], [
2270                 AC_MSG_RESULT(no)
2271         ])
2272
2273         dnl **********************************
2274         dnl *** Check for getnameinfo ***
2275         dnl **********************************
2276         AC_MSG_CHECKING(for getnameinfo)
2277                 AC_TRY_LINK([
2278                 #include <stdio.h>
2279                 #include <winsock2.h>
2280                 #include <ws2tcpip.h>
2281         ], [
2282                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2283         ], [
2284                 # Yes, we have it...
2285                 AC_MSG_RESULT(yes)
2286                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2287         ], [
2288                 AC_MSG_RESULT(no)
2289         ])
2290
2291         dnl **********************************
2292         dnl *** Check for inet_ntop ***
2293         dnl **********************************
2294         AC_MSG_CHECKING(for inet_ntop)
2295                 AC_TRY_LINK([
2296                 #include <stdio.h>
2297                 #include <winsock2.h>
2298                 #include <ws2tcpip.h>
2299         ], [
2300                 inet_ntop (0, NULL, NULL, 0);
2301         ], [
2302                 # Yes, we have it...
2303                 AC_MSG_RESULT(yes)
2304                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2305         ], [
2306                 AC_MSG_RESULT(no)
2307         ])
2308
2309         dnl **********************************
2310         dnl *** Check for inet_pton ***
2311         dnl **********************************
2312         AC_MSG_CHECKING(for inet_pton)
2313                 AC_TRY_LINK([
2314                 #include <stdio.h>
2315                 #include <winsock2.h>
2316                 #include <ws2tcpip.h>
2317         ], [
2318                 inet_pton (0, NULL, NULL);
2319         ], [
2320                 # Yes, we have it...
2321                 AC_MSG_RESULT(yes)
2322                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2323         ], [
2324                 AC_MSG_RESULT(no)
2325         ])
2326
2327         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2328         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2329         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2330         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2331         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2332         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2333         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2334 fi
2335
2336 dnl socklen_t check
2337 AC_MSG_CHECKING(for socklen_t)
2338 AC_TRY_COMPILE([
2339 #include <sys/types.h>
2340 #include <sys/socket.h>
2341 ],[
2342   socklen_t foo;
2343 ],[
2344 ac_cv_c_socklen_t=yes
2345         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2346         AC_MSG_RESULT(yes)
2347 ],[
2348         AC_MSG_RESULT(no)
2349 ])
2350
2351 AC_MSG_CHECKING(for array element initializer support)
2352 AC_TRY_COMPILE([#include <sys/socket.h>], [
2353         const int array[] = {[1] = 2,};
2354 ], [
2355         # Yes, we have it...
2356         AC_MSG_RESULT(yes)
2357         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2358 ], [
2359         # We'll have to use signals
2360         AC_MSG_RESULT(no)
2361 ])
2362
2363 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2364         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2365         AC_TRY_LINK([#include <math.h>], 
2366         [ static void *p = &trunc; ],
2367         [
2368                 AC_DEFINE(HAVE_TRUNC) 
2369                 AC_MSG_RESULT(yes)
2370                 ac_cv_trunc=yes
2371         ],
2372         AC_MSG_RESULT(no)))
2373
2374 if test "x$ac_cv_truncl" != "xyes"; then
2375    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2376 fi
2377
2378 AC_CHECK_FUNCS(execvp)
2379
2380 dnl ****************************
2381 dnl *** Look for /dev/random ***
2382 dnl ****************************
2383
2384 AC_MSG_CHECKING([if usage of random device is requested])
2385 AC_ARG_ENABLE(dev-random,
2386 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2387 try_dev_random=$enableval, try_dev_random=yes)
2388
2389 AC_MSG_RESULT($try_dev_random)
2390
2391 case "{$build}" in
2392     *-openbsd*)
2393     NAME_DEV_RANDOM="/dev/srandom"
2394     ;;
2395
2396 dnl Win32 does not have /dev/random, they have their own method...
2397
2398     *-mingw*|*-*-cygwin*)
2399     ac_cv_have_dev_random=no
2400     ;;
2401
2402 dnl Everywhere else, it's /dev/random
2403
2404     *)
2405     NAME_DEV_RANDOM="/dev/random"
2406     ;;
2407 esac
2408
2409 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2410
2411 dnl Now check if the device actually exists
2412
2413 if test "x$try_dev_random" = "xyes"; then
2414     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2415     [if test -r "$NAME_DEV_RANDOM" ; then
2416         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2417     if test "x$ac_cv_have_dev_random" = "xyes"; then
2418         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2419     fi
2420 else
2421     AC_MSG_CHECKING(for random device)
2422     ac_cv_have_dev_random=no
2423     AC_MSG_RESULT(has been disabled)
2424 fi
2425
2426 if test "x$host_win32" = "xyes"; then
2427     AC_DEFINE(HAVE_CRYPT_RNG)
2428 fi
2429
2430 if test "x$ac_cv_have_dev_random" = "xno" \
2431     && test "x$host_win32" = "xno"; then
2432     AC_MSG_WARN([[
2433 ***
2434 *** A system-provided entropy source was not found on this system.
2435 *** Because of this, the System.Security.Cryptography random number generator
2436 *** will throw a NotImplemented exception.
2437 ***
2438 *** If you are seeing this message, and you know your system DOES have an
2439 *** entropy collection in place, please contact <crichton@gimp.org> and
2440 *** provide information about the system and how to access the random device.
2441 ***
2442 *** Otherwise you can install either egd or prngd and set the environment
2443 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2444 ***]])
2445 fi
2446  
2447 AC_MSG_CHECKING([if inter-process shared handles are requested])
2448 # Same as --enable-minimal=shared_handles
2449 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=no)
2450 AC_MSG_RESULT($try_shared_handles)
2451 if test "x$try_shared_handles" != "xyes"; then
2452         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2453         AC_SUBST(DISABLE_SHARED_HANDLES)
2454 fi
2455
2456 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2457
2458 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2459 if test "x$test_perf_events" == "xyes"; then
2460         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2461         AC_SUBST(ENABLE_PERF_EVENTS)
2462 fi
2463
2464 AC_MSG_CHECKING([if big-arrays are to be enabled])
2465 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2466 if test "x$enable_big_arrays" = "xyes" ; then
2467     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2468         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2469     else
2470         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2471     fi
2472 fi
2473 AC_MSG_RESULT($enable_big_arrays)
2474
2475 dnl **************
2476 dnl *** DTRACE ***
2477 dnl **************
2478
2479 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2480
2481 if test "x$enable_dtrace" = "xyes"; then
2482    if test "x$has_dtrace" = "xno"; then
2483           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2484    fi
2485    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2486    if test "x$DTRACE" = "xno"; then
2487           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2488           enable_dtrace=no
2489    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2490           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2491           enable_dtrace=no
2492    fi
2493 fi
2494
2495 dtrace_g=no
2496 if test "x$enable_dtrace" = "xyes"; then
2497         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2498         DTRACEFLAGS=
2499         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2500                 case "$host" in
2501                         powerpc-*-darwin*)
2502                         DTRACEFLAGS="-arch ppc64"
2503                         ;;
2504                         i*86-*-darwin*)
2505                         DTRACEFLAGS="-arch x86_64"
2506                         ;;
2507                         *)
2508                         DTRACEFLAGS=-64
2509                         ;;
2510                 esac
2511         else
2512                 case "$host" in
2513                         powerpc-*-darwin*)
2514                         DTRACEFLAGS="-arch ppc"
2515                         ;;
2516                         i*86-*-darwin*)
2517                         DTRACEFLAGS="-arch i386"
2518                         ;;
2519                         *)
2520                         DTRACEFLAGS=-32
2521                         ;;
2522                 esac
2523         fi
2524         AC_SUBST(DTRACEFLAGS)
2525         case "$host" in
2526                 *-*-solaris*)
2527                 dtrace_g=yes
2528                 ;;
2529         esac
2530         AC_CHECK_HEADERS([sys/sdt.h])
2531 fi
2532 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2533 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2534
2535 dnl **************
2536 dnl ***  NaCl  ***
2537 dnl **************
2538
2539 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2540 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2541
2542 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2543
2544 dnl
2545 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2546 dnl
2547 nacl_self_host=""
2548 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2549    nacl_self_host="nacl_self_host"
2550 fi
2551 AC_SUBST(nacl_self_host)
2552
2553 if test "x$enable_nacl_codegen" = "xyes"; then
2554    MONO_NACL_ALIGN_MASK_OFF=1
2555    AC_DEFINE(TARGET_NACL, 1, [...])
2556    AC_DEFINE(__native_client_codegen__, 1, [...])
2557 else
2558    MONO_NACL_ALIGN_MASK_OFF=0
2559    AC_DEFINE(__default_codegen__, 1, [...])
2560 fi
2561 if test "x$enable_nacl_gc" = "xyes"; then
2562    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2563       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2564    else
2565       # Not yet implemented
2566       INSTRUMENT_CFLAG=""
2567    fi
2568    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2569 fi
2570 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2571
2572 dnl **************************
2573 dnl *** AOT cross offsets  ***
2574 dnl **************************
2575
2576 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2577     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2578
2579 dnl **************
2580 dnl ***  LLVM  ***
2581 dnl **************
2582
2583 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2584 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2585 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2586 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2587
2588 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2589
2590 if test "x$enable_llvm" = "xyes"; then
2591    if test "x$with_llvm" != "x"; then
2592           LLVM_CONFIG=$with_llvm/bin/llvm-config
2593           if test x$host_win32 = xyes; then
2594                 LLVM_CONFIG=$LLVM_CONFIG.exe
2595           fi
2596           if test ! -x $LLVM_CONFIG; then
2597                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2598       fi
2599    else
2600       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2601       if test "x$LLVM_CONFIG" = "xno"; then
2602              AC_MSG_ERROR([llvm-config not found.])
2603       fi
2604    fi
2605
2606    llvm_codegen="x86codegen"
2607    case "$target" in
2608    arm*)
2609                 llvm_codegen="armcodegen"
2610                 ;;
2611    esac
2612
2613    if test "x$host_win32" = "xno"; then
2614
2615    # The output of --cflags seems to include optimizations flags too
2616    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2617    LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2618    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2619    # from LLVM classes.
2620    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2621    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2622    # This might include empty lines
2623    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2624    if test "x$host" != "x$target"; then
2625       # No need for jit libs
2626       LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter`
2627    else
2628       LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter jit mcjit $llvm_codegen`
2629    fi
2630    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2631    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2632    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2633       LLVM_LIBS="$LLVM_LIBS -lc++"
2634    else
2635       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2636    fi
2637
2638    expected_llvm_version="3.4svn-mono-mono/e656cac"
2639
2640    # Should be something like '2.6' or '2.7svn'
2641    llvm_version=`$LLVM_CONFIG --version`
2642    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2643    AC_MSG_CHECKING(LLVM version)
2644    AC_MSG_RESULT($llvm_version)
2645    if echo $llvm_version | grep -q 'mono'; then
2646           if test "x$enable_llvm_version_check" == "xyes"; then
2647                  if test "$llvm_version" != "$expected_llvm_version"; then
2648                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2649                  fi
2650           fi
2651    else
2652           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2653    fi
2654
2655    else
2656        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2657        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2658        LLVM_LDFLAGS="-L$with_llvm/lib"
2659        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2660        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2661          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2662          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2663          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2664          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2665          -lLLVMAnalysis -lLLVMTarget \
2666          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2667          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2668          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2669          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2670          -lLLVMSupport -lstdc++"
2671        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2672
2673        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2674        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2675    fi  
2676
2677    if test "x$llvm_api_version" = "x"; then
2678           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2679           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2680    else
2681           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2682           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2683    fi   
2684
2685    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2686
2687    AC_SUBST(LLVM_CFLAGS)
2688    AC_SUBST(LLVM_CXXFLAGS)
2689    AC_SUBST(LLVM_LIBS)
2690    AC_SUBST(LLVM_LDFLAGS)
2691    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2692 fi
2693
2694 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2695 if test "x$enable_loadedllvm" = "xyes"; then
2696    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2697 fi
2698 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2699
2700 if test "x$enable_llvm" = "xyes"; then
2701    enable_llvm_runtime=yes
2702 fi
2703 if test "x$enable_llvm_runtime" = "xyes"; then
2704    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2705 fi
2706 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2707
2708 TARGET="unknown"
2709 ACCESS_UNALIGNED="yes"
2710
2711 LIBC="libc.so.6"
2712 INTL="libc.so.6"
2713 SQLITE="libsqlite.so.0"
2714 SQLITE3="libsqlite3.so.0"
2715 X11="libX11.so"
2716 GDKX11="libgdk-x11-2.0.so.0"
2717 GTKX11="libgtk-x11-2.0.so.0"
2718 XINERAMA="libXinerama.so.1"
2719
2720 sizeof_register="SIZEOF_VOID_P"
2721
2722 jit_wanted=true
2723 boehm_supported=true
2724 case "$host" in
2725         mips*)
2726                 TARGET=MIPS;
2727                 arch_target=mips;
2728                 ACCESS_UNALIGNED="no"
2729
2730                 AC_MSG_CHECKING(for mips n32)
2731                 AC_TRY_COMPILE([],[
2732                 #if _MIPS_SIM != _ABIN32
2733                 #error Not mips n32
2734                 #endif
2735                 return 0;
2736                 ],[
2737                 AC_MSG_RESULT(yes)
2738                 sizeof_register=8
2739                 ],[
2740                 AC_MSG_RESULT(no)
2741                 ])
2742                 ;;
2743         i*86-*-*)
2744                 TARGET=X86;
2745                 arch_target=x86;
2746                 case $host_os in
2747                   solaris*)
2748                         LIBC="libc.so"
2749                         INTL="libintl.so"
2750                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2751                                 TARGET=AMD64
2752                                 arch_target=amd64
2753                         fi
2754
2755                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2756                         # int astruct __attribute__ ((visibility ("hidden")));
2757                         # void foo ()
2758                         # {
2759                         #       void *p = &astruct;
2760                         # }
2761                         # gcc -fPIC --shared -o libfoo.so foo.c
2762                         # yields:
2763                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2764                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2765                         have_visibility_hidden=no
2766                         ;;
2767                   mingw*|cygwin*)
2768                         have_visibility_hidden=no                 
2769                         ;;
2770                   haiku*)
2771                         LIBC=libroot.so
2772                         ;;
2773                   linux*)
2774                         AOT_SUPPORTED="yes"
2775                         ;;
2776                   darwin*)
2777                         AOT_SUPPORTED="yes"
2778                         ;;
2779                   openbsd*|freebsd*|kfreebsd-gnu*)
2780                         ;;
2781                 esac
2782                 ;;
2783         x86_64-*-* | amd64-*-*)
2784                 TARGET=AMD64;
2785                 arch_target=amd64;
2786                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2787                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2788                         sizeof_register=8
2789                 fi
2790                 case $host_os in
2791                   linux*)
2792                         AOT_SUPPORTED="yes"
2793                         ;;
2794                   darwin*)
2795                         AOT_SUPPORTED="yes"
2796                         ;;
2797                   openbsd*|freebsd*|kfreebsd-gnu*)
2798                         ;;
2799                   mingw*)
2800                         ;;
2801                 esac
2802                 case "$host" in
2803                         x86_64-*-nacl*)
2804                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2805                                 sizeof_register=8
2806                                 ;;
2807                 esac
2808                 ;;
2809         ia64-*-*)
2810                 TARGET=IA64
2811                 arch_target=ia64
2812                 ACCESS_UNALIGNED="no"
2813                 LIBC="libc.so.6.1"
2814                 INTL="libc.so.6.1"
2815                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2816                 libmono_ldflags="-lunwind"
2817                 ;;
2818         sparc*-*-*)
2819                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2820                    TARGET=SPARC64
2821                 else
2822                         TARGET=SPARC
2823                 fi
2824                 arch_target=sparc;
2825                 ACCESS_UNALIGNED="no"
2826                 case $host_os in
2827                   linux*) ;;
2828                   *)
2829                         LIBC="libc.so"
2830                         INTL="libintl.so"
2831                 esac
2832                 if test x"$GCC" = xyes; then
2833                         # We don't support v8 cpus
2834                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2835                 fi
2836                 if test x"$AR" = xfalse; then
2837                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2838                 fi
2839                 ;;
2840         *-mingw*|*-*-cygwin*)
2841                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2842                 have_visibility_hidden=no
2843                 INTL="intl"
2844                 ;;
2845         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2846         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2847                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2848                         TARGET=POWERPC64;
2849                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2850                         CFLAGS="$CFLAGS -mminimal-toc"
2851                 else
2852                         TARGET=POWERPC;
2853                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2854                 fi
2855                 arch_target=ppc;
2856                 case $host_os in
2857                   linux*|darwin*)
2858                         ;;
2859                 esac
2860                 ;;
2861         armv7k-*-darwin*)
2862                 TARGET=ARM;
2863                 TARGET_SYS=WATCHOS
2864                 arch_target=arm;
2865                 ACCESS_UNALIGNED="no"
2866                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2867                 ;;
2868
2869         arm*-darwin*)
2870                 TARGET=ARM;
2871                 arch_target=arm;
2872                 ACCESS_UNALIGNED="no"
2873                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2874                 ;;
2875         arm*-linux*)
2876                 TARGET=ARM;
2877                 arch_target=arm;
2878                 ACCESS_UNALIGNED="no"
2879                 AOT_SUPPORTED="yes"
2880                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2881                 ;;
2882 # TODO: make proper support for NaCl host.
2883 #        arm*-*nacl)
2884 #               TARGET=ARM;
2885 #               arch_target=arm;
2886 #               ACCESS_UNALIGNED="no"
2887 #               AOT_SUPPORTED="no"
2888 #               ;;
2889         aarch64-*)
2890                 # https://lkml.org/lkml/2012/7/15/133
2891                 TARGET=ARM64
2892                 arch_target=arm64
2893                 boehm_supported=false
2894                 ;;
2895         s390x-*-linux*)
2896                 TARGET=S390X;
2897                 arch_target=s390x;
2898                 ACCESS_UNALIGNED="yes"
2899                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2900                 ;;
2901 esac
2902
2903 HOST=$TARGET
2904
2905 if test "x$host" != "x$target"; then
2906    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2907    enable_mcs_build=no
2908    case "$target" in
2909    arm*-darwin*)
2910                 TARGET=ARM;
2911                 arch_target=arm;
2912                 ACCESS_UNALIGNED="no"
2913                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2914                 # Can't use tls, since it depends on the runtime detection of tls offsets
2915                 # in mono-compiler.h
2916                 with_tls=pthread
2917                 case "$target" in
2918                 armv7k-*)
2919                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
2920                         ;;
2921                 esac            
2922                 ;;
2923    powerpc64-ps3-linux-gnu)
2924                 TARGET=POWERPC64
2925                 arch_target=powerpc64
2926                 AC_DEFINE(TARGET_PS3, 1, [...])
2927                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2928                 # uses this define
2929                 AC_DEFINE(__mono_ppc64__, 1, [...])
2930                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2931                 sizeof_register=8
2932                 target_byte_order=G_BIG_ENDIAN
2933                 ;;
2934    powerpc64-xbox360-linux-gnu)
2935                 TARGET=POWERPC64
2936                 arch_target=powerpc64
2937                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2938                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2939                 # uses this define
2940                 sizeof_register=8
2941                 target_byte_order=G_BIG_ENDIAN
2942                 ;;
2943    x86_64-*-nacl)
2944                 TARGET=AMD64
2945                 arch_target=amd64
2946                 AC_DEFINE(TARGET_AMD64, 1, [...])
2947                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2948                 sizeof_register=8
2949                 ;;
2950 # TODO: make proper support for NaCl target.
2951 #   arm*-*nacl)
2952 #               TARGET=ARM
2953 #               arch_target=arm
2954 #               AC_DEFINE(TARGET_ARM, 1, [...])
2955 #               ACCESS_UNALIGNED="no"
2956 #               sizeof_register=4
2957 #               CPPFLAGS="$CPPFLAGS \
2958 #                    -D__ARM_EABI__ \
2959 #                    -D__arm__ \
2960 #                    -D__portable_native_client__ \
2961 #                    -Dtimezone=_timezone \
2962 #                    -DDISABLE_SOCKETS \
2963 #                    -DDISABLE_ATTACH \
2964 #                    -DUSE_NEWLIB"
2965                 # Can't use tls, since it depends on the runtime detection of tls offsets
2966                 # in mono-compiler.h
2967 #               with_tls=pthread
2968 #               ;;
2969    i686-*-nacl)
2970                 TARGET=X86
2971                 arch_target=x86
2972                 AC_DEFINE(TARGET_X86, 1, [...])
2973                 sizeof_register=4
2974                 ;;
2975    arm*-linux-*)
2976                 TARGET=ARM;
2977                 arch_target=arm;
2978                 AC_DEFINE(TARGET_ARM, 1, [...])
2979                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2980                 ACCESS_UNALIGNED="no"
2981                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2982                 # Can't use tls, since it depends on the runtime detection of tls offsets
2983                 # in mono-compiler.h
2984                 with_tls=pthread
2985                 target_mach=no
2986                 case "$target" in
2987                 armv7l-unknown-linux-gnueabi*)
2988                         # TEGRA
2989                         CPPFLAGS="$CPPFLAGS"
2990                         ;;
2991                 armv5-*-linux-androideabi*)
2992                         CPPFLAGS="$CPPFLAGS"
2993                         ;;
2994                 esac
2995                 ;;
2996    i686*-linux-*)
2997                 TARGET=X86;
2998                 arch_target=x86;
2999                 AC_DEFINE(TARGET_X86, 1, [...])
3000                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3001                 CPPFLAGS="$CPPFLAGS"
3002                 # Can't use tls, since it depends on the runtime detection of tls offsets
3003                 # in mono-compiler.h            
3004                 with_tls=pthread
3005                 target_mach=no
3006                 ;;
3007    x86_64*-linux-*)
3008                 TARGET=AMD64;
3009                 arch_target=amd64;
3010                 AC_DEFINE(TARGET_AMD64, 1, [...])
3011                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3012                 CPPFLAGS="$CPPFLAGS"
3013                 # Can't use tls, since it depends on the runtime detection of tls offsets
3014                 # in mono-compiler.h
3015                 with_tls=pthread
3016                 target_mach=no
3017                 ;;
3018    x86_64-ps4-freebsd)
3019                 TARGET=AMD64;
3020                 arch_target=amd64;
3021                 AC_DEFINE(TARGET_AMD64, 1, [...])
3022                 AC_DEFINE(TARGET_PS4, 1, [...])
3023                 CPPFLAGS="$CPPFLAGS"
3024                 # Can't use tls, since it depends on the runtime detection of tls offsets
3025                 # in mono-compiler.h
3026                 with_tls=pthread
3027                 target_mach=no
3028                 target_win32=no
3029                 ;;
3030    aarch64*-linux-*)
3031                 TARGET=ARM64;
3032                 arch_target=arm64;
3033                 AC_DEFINE(TARGET_ARM64, 1, [...])
3034                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3035                 CPPFLAGS="$CPPFLAGS"
3036                 # Can't use tls, since it depends on the runtime detection of tls offsets
3037                 # in mono-compiler.h
3038                 with_tls=pthread
3039                 target_mach=no
3040                 ;;
3041         aarch64-*)
3042                 TARGET=ARM64
3043                 ;;
3044         *)
3045                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3046         esac
3047 fi
3048
3049 case "$TARGET" in
3050 X86)
3051         AC_DEFINE(TARGET_X86, 1, [...])
3052         ;;
3053 AMD64)
3054         AC_DEFINE(TARGET_AMD64, 1, [...])
3055         ;;
3056 ARM)
3057         AC_DEFINE(TARGET_ARM, 1, [...])
3058         ;;
3059 ARM64)
3060         AC_DEFINE(TARGET_ARM64, 1, [...])
3061         ;;
3062 POWERPC)
3063         AC_DEFINE(TARGET_POWERPC, 1, [...])
3064         ;;
3065 POWERPC64)
3066         AC_DEFINE(TARGET_POWERPC, 1, [...])
3067         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3068         ;;
3069 S390X)
3070         AC_DEFINE(TARGET_S390X, 1, [...])
3071         ;;
3072 MIPS)
3073         AC_DEFINE(TARGET_MIPS, 1, [...])
3074         ;;
3075 IA64)
3076         AC_DEFINE(TARGET_IA64, 1, [...])
3077         ;;
3078 SPARC)
3079         AC_DEFINE(TARGET_SPARC, 1, [...])
3080         ;;
3081 SPARC64)
3082         AC_DEFINE(TARGET_SPARC64, 1, [...])
3083         ;;
3084 esac
3085
3086 dnl *************
3087 dnl *** VTUNE ***
3088 dnl *************
3089
3090 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3091 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3092
3093 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3094
3095 if test "x$enable_vtune" = "xyes"; then
3096         if test "x$with_vtune" = "x"; then
3097                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3098         else
3099                 VTUNE_PATH=$with_vtune
3100         fi
3101         VTUNE_INCLUDE=$VTUNE_PATH/include
3102         case "$TARGET" in
3103         X86)
3104                 VTUNE_LIB=$VTUNE_PATH/lib32
3105                 ;;
3106         AMD64)
3107                 VTUNE_LIB=$VTUNE_PATH/lib64
3108                 ;;
3109         *)
3110                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3111                 ;;
3112         esac
3113         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3114                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3115         fi
3116         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3117                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3118         fi
3119
3120         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3121         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3122
3123         AC_SUBST(VTUNE_LIBS)
3124         AC_SUBST(VTUNE_CFLAGS)
3125 fi
3126 dnl Use GCC atomic ops if they work on the target.
3127 if test x$GCC = "xyes"; then
3128         case $TARGET in
3129         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3130                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3131                 ;;
3132         esac
3133 fi
3134
3135 if test "x$target_mach" = "xyes"; then
3136
3137    if test "x$TARGET_SYS" = "xWATCHOS"; then
3138           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3139           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3140           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3141    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3142           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3143           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3144           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3145    else
3146        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3147        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3148        #error fail this for ios
3149        #endif
3150        return 0;
3151        ], [
3152                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3153           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3154           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3155        ], [
3156           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3157           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3158           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3159        ])
3160         fi
3161    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3162 fi
3163
3164 if test "x$sizeof_register" = "x4"; then
3165    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3166 elif test "x$sizeof_register" = "x8"; then
3167    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3168 else
3169    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3170 fi
3171
3172 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3173    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3174 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3175    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3176 else
3177    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3178 fi
3179
3180 if test "x$have_visibility_hidden" = "xyes"; then
3181    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3182 fi
3183
3184 if test "x$have_deprecated" = "xyes"; then
3185    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3186 fi
3187
3188 dnl 
3189 dnl Simple Generational checks (sgen)
3190 dnl
3191 SGEN_DEFINES=
3192 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3193 if test x$buildsgen = xyes; then
3194    SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3195    gc_msg="sgen and $gc_msg"
3196 fi
3197 AC_SUBST(SGEN_DEFINES)
3198 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3199
3200 jit_status="Building and using the JIT"
3201
3202 libsuffix=".so"
3203
3204 case "$host" in
3205      *-*-darwin*)
3206         libsuffix=".dylib"
3207         LIBC="libc.dylib"
3208         INTL="libintl.dylib"
3209         SQLITE="libsqlite.0.dylib"
3210         SQLITE3="libsqlite3.0.dylib"
3211         X11="libX11.dylib"
3212         GDKX11="libgdk-x11-2.0.dylib"
3213         GTKX11="libgtk-x11-2.0.dylib"
3214         ;;
3215      *-*-*netbsd*)
3216         LIBC="libc.so.12"
3217         INTL="libintl.so.0"
3218         ;;
3219      *-*-kfreebsd*-gnu)
3220         LIBC="libc.so.0.1"
3221         INTL="libc.so.0.1"
3222         X11="libX11.so.6"
3223         ;;
3224     *-*-*freebsd*)
3225         LIBC="libc.so.7"
3226         INTL="libintl.so"
3227         SQLITE="libsqlite.so"
3228         SQLITE3="libsqlite3.so"
3229         ;;
3230     *-*-*openbsd*)
3231         LIBC="libc.so"
3232         INTL="libintl.so"
3233         SQLITE="libsqlite.so"
3234         SQLITE3="libsqlite3.so"
3235         ;;
3236     *-*-*linux*)
3237         AC_PATH_X
3238         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3239         AC_MSG_CHECKING(for the soname of libX11.so)
3240         for i in $x_libraries $dlsearch_path; do
3241                 for r in 4 5 6; do
3242                         if test -f $i/libX11.so.$r; then
3243                                 X11=libX11.so.$r
3244                                 AC_MSG_RESULT($X11)
3245                         fi
3246                 done
3247         done
3248         
3249         if test "x$X11" = "xlibX11.so"; then
3250                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3251                 X11=libX11.so.6
3252         fi
3253         ;;
3254 esac
3255
3256
3257 AC_SUBST(libsuffix)
3258
3259 AC_ARG_WITH([libgdiplus],
3260         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3261         [], [with_libgdiplus=installed])
3262
3263 # default install location
3264 libgdiplus_install_loc=libgdiplus${libsuffix}
3265 case $with_libgdiplus in
3266     no|installed)
3267     libgdiplus_loc=
3268     ;;
3269
3270     yes|sibling)
3271     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3272     ;;
3273
3274     /*) # absolute path, assume it is an install location
3275     libgdiplus_loc=$with_libgdiplus
3276     libgdiplus_install_loc=$with_libgdiplus
3277     ;;
3278
3279     *)
3280     libgdiplus_loc=`pwd`/$with_libgdiplus
3281     ;;
3282 esac
3283 AC_SUBST([libgdiplus_loc])
3284 AC_SUBST([libgdiplus_install_loc])
3285
3286 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3287 if test "x$icall_symbol_map" = "xyes"; then
3288    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3289 fi
3290
3291 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3292 if test "x$icall_export" = "xyes"; then
3293    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3294 fi
3295
3296 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3297 if test "x$icall_tables" = "xno"; then
3298    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3299 fi
3300
3301 if test "x$with_tls" = "x__thread"; then
3302         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3303         # Pass the information to libgc
3304         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3305         AC_MSG_CHECKING(if the tls_model attribute is supported)
3306         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3307                 ], [
3308                         AC_MSG_RESULT(yes)
3309                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3310                 ], [
3311                         AC_MSG_RESULT(no)
3312         ])
3313 fi
3314
3315 if test ${TARGET} = ARM; then
3316         dnl ******************************************
3317         dnl *** Check to see what FPU is available ***
3318         dnl ******************************************
3319         AC_MSG_CHECKING(which FPU to use)
3320
3321         #
3322         # This is a bit tricky:
3323         #
3324         # if (__ARM_PCS_VFP) {
3325         #       /* mfloat-abi=hard == VFP with hard ABI */
3326         # } elif (!__SOFTFP__) {
3327         #       /* mfloat-abi=softfp == VFP with soft ABI */
3328         # } else {
3329         #       /* mfloat-abi=soft == no VFP */
3330         # }
3331         #
3332         # The exception is iOS (w/ GCC) where none of the above
3333         # are defined (but iOS always uses the 'softfp' ABI).
3334         #
3335         # No support for FPA.
3336         #
3337
3338         fpu=NONE
3339
3340         # iOS GCC always uses the 'softfp' ABI.
3341         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3342                 fpu=VFP
3343         fi
3344
3345         # Are we using the 'hard' ABI?
3346         if test x$fpu = xNONE; then
3347                 AC_TRY_COMPILE([], [
3348                         #ifndef __ARM_PCS_VFP
3349                         #error "Float ABI is not 'hard'"
3350                         #endif
3351                         return 0;
3352                 ], [
3353                         fpu=VFP_HARD
3354                 ], [
3355                         fpu=NONE
3356                 ])
3357         fi
3358
3359         # No 'hard' ABI. 'soft' or 'softfp'?
3360         if test x$fpu = xNONE; then
3361                 AC_TRY_COMPILE([], [
3362                         #ifdef __SOFTFP__
3363                         #error "Float ABI is not 'softfp'"
3364                         #endif
3365                         return 0;
3366                 ], [
3367                         fpu=VFP
3368                 ], [
3369                         fpu=NONE
3370                 ])
3371         fi
3372
3373         AC_MSG_RESULT($fpu)
3374         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3375         unset fpu
3376
3377         dnl *********************************************
3378         dnl *** Check which ARM version(s) we can use ***
3379         dnl *********************************************
3380         AC_MSG_CHECKING(which ARM version to use)
3381
3382         AC_TRY_COMPILE([], [
3383                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3384                 #error Not on ARM v5.
3385                 #endif
3386                 return 0;
3387         ], [
3388                 arm_v5=yes
3389
3390                 arm_ver=ARMv5
3391         ], [])
3392
3393         AC_TRY_COMPILE([], [
3394                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3395                 #error Not on ARM v6.
3396                 #endif
3397                 return 0;
3398         ], [
3399                 arm_v5=yes
3400                 arm_v6=yes
3401
3402                 arm_ver=ARMv6
3403         ], [])
3404
3405         AC_TRY_COMPILE([], [
3406                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3407                 #error Not on ARM v7.
3408                 #endif
3409                 return 0;
3410         ], [
3411                 arm_v5=yes
3412                 arm_v6=yes
3413                 arm_v7=yes
3414
3415                 arm_ver=ARMv7
3416         ], [])
3417
3418         AC_MSG_RESULT($arm_ver)
3419
3420         if test x$arm_v5 = xyes; then
3421                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3422                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3423         fi
3424
3425         if test x$arm_v6 = xyes; then
3426                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3427                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3428         fi
3429
3430         if test x$arm_v7 = xyes; then
3431                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3432                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3433         fi
3434 fi
3435
3436 if test ${TARGET} = ARM; then
3437         if test "x${with_jumptables}" = "xyes"; then
3438                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3439         fi
3440 fi
3441
3442 if test ${TARGET} = unknown; then
3443         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3444         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3445 fi
3446
3447 if test ${ACCESS_UNALIGNED} = no; then
3448         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3449 fi
3450
3451 case "x$libgc" in
3452         xincluded)
3453                 # Pass CPPFLAGS to libgc configure
3454                 # We should use a separate variable for this to avoid passing useless and
3455                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3456                 # This should be executed late so we pick up the final version of CPPFLAGS
3457                 # The problem with this approach, is that during a reconfigure, the main
3458                 # configure scripts gets invoked with these arguments, so we use separate
3459                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3460                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3461                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3462                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3463                 fi
3464                 # Don't pass -finstrument-for-thread-suspension in, 
3465                 # if these are instrumented it will be very bad news 
3466                 # (infinite recursion, undefined parking behavior, etc)
3467                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3468                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3469                 if test "x$support_boehm" = "xyes"; then
3470                         AC_CONFIG_SUBDIRS(libgc)
3471                 fi
3472                 ;;
3473 esac
3474
3475 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.6 FX (defaults to yes)],                 [], [with_profile4_x=yes])
3476 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=no])
3477 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=no])
3478 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=no])
3479 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=no])
3480 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=no])
3481
3482 OPROFILE=no
3483 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3484         if test x$with_oprofile != xno; then
3485             oprofile_include=$with_oprofile/include
3486             if test ! -f $oprofile_include/opagent.h; then
3487                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3488                 fi
3489             OPROFILE=yes
3490                 OPROFILE_CFLAGS="-I$oprofile_include"
3491             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3492             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3493         fi
3494 ])
3495
3496 MALLOC_MEMPOOLS=no
3497 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3498         if test x$with_malloc_mempools = xyes; then
3499                 MALLOC_MEMPOOLS=yes
3500                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3501         fi
3502 ])
3503
3504
3505 DISABLE_MCS_DOCS=no
3506 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3507         if test x$with_mcs_docs != xyes; then
3508                 DISABLE_MCS_DOCS=yes
3509         fi
3510 ])
3511 if test x$with_profile4_x != xyes; then
3512         DISABLE_MCS_DOCS=yes
3513 fi
3514
3515 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)],[
3516         if test x$with_lazy_gc_thread_creation != xno ; then
3517                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3518         fi
3519 ], [with_lazy_gc_thread_creation=no])
3520
3521 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3522         if test x$with_cooperative_gc != xno ; then
3523                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3524         fi
3525 ], [with_cooperative_gc=no])
3526
3527 AC_ARG_WITH(checked_build, [  --with-checked-build=yes|no      Enable checked build (expensive asserts)) (defaults to no)],[
3528         if test x$with_checked_build != xno ; then
3529                 AC_DEFINE(CHECKED_BUILD,1,[Enable checked build.])
3530         fi
3531 ], [with_checked_build=no])
3532
3533
3534 AC_CHECK_HEADER([malloc.h], 
3535                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3536                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3537
3538 if test x"$GCC" = xyes; then
3539         # Implicit function declarations are not 64 bit safe
3540         # Do this late, since this causes lots of configure tests to fail
3541         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3542         # jay has a lot of implicit declarations
3543         JAY_CFLAGS="-Wno-implicit-function-declaration"
3544 fi
3545
3546 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3547 # instead of libmono-static.a
3548 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3549    LIBMONO_LA=libmini-static.la
3550 else
3551    if test x$buildsgen = xyes; then
3552       LIBMONO_LA=libmonosgen-$API_VER.la
3553    else
3554       LIBMONO_LA=libmonoboehm-$API_VER.la
3555    fi
3556 fi
3557 AC_SUBST(LIBMONO_LA)
3558
3559 dnl
3560 dnl Consistency settings
3561 dnl
3562 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3563    DISABLE_MCS_DOCS=yes
3564    with_profile4_x=no
3565    with_monodroid=no
3566    with_monotouch=no
3567    with_monotouch_watch=no
3568    with_monotouch_tv=no
3569    with_xammac=no
3570 fi
3571
3572 if test x$DISABLE_MCS_DOCS = xyes; then
3573    docs_dir=""
3574 else
3575    docs_dir=docs
3576 fi
3577 AC_SUBST(docs_dir)
3578
3579 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3580 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3581
3582 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3583 AC_SUBST(OPROFILE_CFLAGS)
3584 AC_SUBST(OPROFILE_LIBS)
3585
3586 libmono_ldflags="$libmono_ldflags $LIBS"
3587
3588 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3589 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3590 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3591 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
3592 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
3593 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3594
3595 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3596 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3597 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3598 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3599 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3600 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3601 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3602 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3603 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3604 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3605 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3606 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3607 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3608 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3609 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3610 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3611 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3612 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3613
3614 AC_SUBST(LIBC)
3615 AC_SUBST(INTL)
3616 AC_SUBST(SQLITE)
3617 AC_SUBST(SQLITE3)
3618 AC_SUBST(X11)
3619 AC_SUBST(GDKX11)
3620 AC_SUBST(GTKX11)
3621 AC_SUBST(XINERAMA)
3622 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3623 AC_SUBST(arch_target)
3624 AC_SUBST(CFLAGS)
3625 AC_SUBST(CPPFLAGS)
3626 AC_SUBST(LDFLAGS)
3627
3628 mono_build_root=`pwd`
3629 AC_SUBST(mono_build_root)
3630
3631 mono_runtime=mono/mini/mono
3632 AC_SUBST(mono_runtime)
3633
3634 mono_cfg_root=$mono_build_root/runtime
3635 if test x$host_win32 = xyes; then
3636   if test "x$cross_compiling" = "xno"; then
3637     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3638   else
3639     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3640   fi
3641 else
3642   mono_cfg_dir=$mono_cfg_root/etc
3643 fi
3644 AC_SUBST(mono_cfg_dir)
3645
3646 default_profile=net_4_x
3647 if test -z "$INSTALL_MONODROID_TRUE"; then :
3648    default_profile=monodroid
3649 fi
3650 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3651    default_profile=monotouch
3652 fi
3653 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3654    default_profile=xammac
3655 fi
3656 if test -z "$INSTALL_4_x_TRUE"; then :
3657    default_profile=net_4_x
3658 fi
3659 DEFAULT_PROFILE=$default_profile
3660 AC_SUBST(DEFAULT_PROFILE)
3661
3662 AC_CONFIG_FILES([po/mcs/Makefile.in])
3663
3664 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3665 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3666
3667 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3668 [   depth=../../../..
3669     case $srcdir in
3670     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3671     .) reldir=$depth ;;
3672     *) reldir=$depth/$srcdir ;;
3673     esac
3674     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3675     cd runtime/etc/mono/1.0
3676     rm -f machine.config
3677     $LN_S $reldir/data/net_1_1/machine.config machine.config
3678     cd $depth
3679 ],[LN_S='$LN_S'])
3680
3681 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3682 [   depth=../../../..
3683     case $srcdir in
3684     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3685     .) reldir=$depth ;;
3686     *) reldir=$depth/$srcdir ;;
3687     esac
3688     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3689     cd runtime/etc/mono/2.0
3690     rm -f machine.config
3691     $LN_S $reldir/data/net_2_0/machine.config machine.config
3692     cd $depth
3693 ],[LN_S='$LN_S'])
3694
3695 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3696 [   depth=../../../..
3697     case $srcdir in
3698     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3699     .) reldir=$depth ;;
3700     *) reldir=$depth/$srcdir ;;
3701     esac
3702     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3703     cd runtime/etc/mono/2.0
3704     rm -f web.config
3705     $LN_S $reldir/data/net_2_0/web.config web.config
3706     cd $depth
3707 ],[LN_S='$LN_S'])
3708
3709 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3710 [   depth=../../..
3711     case $srcdir in
3712     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3713     .) reldir=$depth ;;
3714     *) reldir=$depth/$srcdir ;;
3715     esac
3716     $ac_aux_dir/install-sh -d runtime/etc/mono/
3717     cd runtime/etc/mono/
3718     rm -f browscap.ini
3719     $LN_S $reldir/data/browscap.ini browscap.ini
3720     cd $depth
3721 ],[LN_S='$LN_S'])
3722
3723 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3724 [   depth=../../../../..
3725     case $srcdir in
3726     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3727     .) reldir=$depth ;;
3728     *) reldir=$depth/$srcdir ;;
3729     esac
3730     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3731     cd runtime/etc/mono/2.0/Browsers
3732     rm -f Compat.browser
3733     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3734     cd $depth
3735 ],[LN_S='$LN_S'])
3736
3737 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3738 [   depth=../../../../..
3739     case $srcdir in
3740     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3741     .) reldir=$depth ;;
3742     *) reldir=$depth/$srcdir ;;
3743     esac
3744     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3745     cd runtime/etc/mono/4.0/Browsers
3746     rm -f Compat.browser
3747     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3748     cd $depth
3749 ],[LN_S='$LN_S'])
3750
3751 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3752 [   depth=../../../../..
3753     case $srcdir in
3754     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3755     .) reldir=$depth ;;
3756     *) reldir=$depth/$srcdir ;;
3757     esac
3758     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3759     cd runtime/etc/mono/4.5/Browsers
3760     rm -f Compat.browser
3761     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3762     cd $depth
3763 ],[LN_S='$LN_S'])
3764
3765 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3766 [   depth=../../../..
3767     case $srcdir in
3768     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3769     .) reldir=$depth ;;
3770     *) reldir=$depth/$srcdir ;;
3771     esac
3772     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3773     cd runtime/etc/mono/4.0
3774     rm -f machine.config
3775     $LN_S $reldir/data/net_4_0/machine.config machine.config
3776     cd $depth
3777 ],[LN_S='$LN_S'])
3778
3779 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3780 [   depth=../../../..
3781     case $srcdir in
3782     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3783     .) reldir=$depth ;;
3784     *) reldir=$depth/$srcdir ;;
3785     esac
3786     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3787     cd runtime/etc/mono/4.0
3788     rm -f web.config
3789     $LN_S $reldir/data/net_4_0/web.config web.config
3790     cd $depth
3791 ],[LN_S='$LN_S'])
3792
3793 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3794 [   depth=../../../..
3795     case $srcdir in
3796     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3797     .) reldir=$depth ;;
3798     *) reldir=$depth/$srcdir ;;
3799     esac
3800     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3801     cd runtime/etc/mono/4.5
3802     rm -f machine.config
3803     $LN_S $reldir/data/net_4_5/machine.config machine.config
3804     cd $depth
3805 ],[LN_S='$LN_S'])
3806
3807 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3808 [   depth=../../../..
3809     case $srcdir in
3810     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3811     .) reldir=$depth ;;
3812     *) reldir=$depth/$srcdir ;;
3813     esac
3814     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3815     cd runtime/etc/mono/4.5
3816     rm -f web.config
3817     $LN_S $reldir/data/net_4_5/web.config web.config
3818     cd $depth
3819 ],[LN_S='$LN_S'])
3820
3821 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])
3822 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
3823
3824 AC_OUTPUT([
3825 Makefile
3826 mono-uninstalled.pc
3827 acceptance-tests/Makefile
3828 scripts/mono-find-provides
3829 scripts/mono-find-requires
3830 mono/Makefile
3831 mono/utils/Makefile
3832 mono/metadata/Makefile
3833 mono/dis/Makefile
3834 mono/cil/Makefile
3835 mono/arch/Makefile
3836 mono/arch/x86/Makefile
3837 mono/arch/amd64/Makefile
3838 mono/arch/ppc/Makefile
3839 mono/arch/sparc/Makefile
3840 mono/arch/s390x/Makefile
3841 mono/arch/arm/Makefile
3842 mono/arch/arm64/Makefile
3843 mono/arch/ia64/Makefile
3844 mono/arch/mips/Makefile
3845 mono/sgen/Makefile
3846 mono/tests/Makefile
3847 mono/tests/tests-config
3848 mono/tests/assemblyresolve/Makefile
3849 mono/tests/gc-descriptors/Makefile
3850 mono/unit-tests/Makefile
3851 mono/benchmark/Makefile
3852 mono/io-layer/Makefile
3853 mono/mini/Makefile
3854 mono/profiler/Makefile
3855 m4/Makefile
3856 ikvm-native/Makefile
3857 scripts/Makefile
3858 man/Makefile
3859 docs/Makefile
3860 data/Makefile
3861 data/net_2_0/Makefile
3862 data/net_4_0/Makefile
3863 data/net_4_5/Makefile
3864 data/net_2_0/Browsers/Makefile
3865 data/net_4_0/Browsers/Makefile
3866 data/net_4_5/Browsers/Makefile
3867 data/mint.pc
3868 data/mono-2.pc
3869 data/monosgen-2.pc
3870 data/mono.pc
3871 data/mono-cairo.pc
3872 data/mono-nunit.pc
3873 data/mono-options.pc
3874 data/mono-lineeditor.pc
3875 data/monodoc.pc
3876 data/dotnet.pc
3877 data/dotnet35.pc
3878 data/wcf.pc
3879 data/cecil.pc
3880 data/system.web.extensions_1.0.pc
3881 data/system.web.extensions.design_1.0.pc
3882 data/system.web.mvc.pc
3883 data/system.web.mvc2.pc
3884 data/system.web.mvc3.pc
3885 data/aspnetwebstack.pc
3886 data/reactive.pc
3887 samples/Makefile
3888 support/Makefile
3889 data/config
3890 tools/Makefile
3891 tools/locale-builder/Makefile
3892 tools/sgen/Makefile
3893 tools/monograph/Makefile
3894 runtime/Makefile
3895 msvc/Makefile
3896 po/Makefile
3897 ])
3898
3899 # Update all submodules recursively to ensure everything is checked out
3900 $srcdir/scripts/update_submodules
3901
3902 if test x$host_win32 = xyes; then
3903    # Get rid of 'cyg' prefixes in library names
3904    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3905    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3906    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3907    # executable doesn't work...
3908    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3909 fi
3910
3911 if test x$host_darwin = xyes; then
3912    # This doesn't seem to be required and it slows down parallel builds
3913    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3914 fi
3915
3916 (
3917   case $prefix in
3918   NONE) prefix=$ac_default_prefix ;;
3919   esac
3920   case $exec_prefix in
3921   NONE) exec_prefix='${prefix}' ;;
3922   esac
3923
3924   #
3925   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3926   # any existing config.make.  This allows people to share the same source tree
3927   # with different build directories, one native and one cross
3928   #
3929   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3930
3931     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3932
3933     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3934     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3935     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3936     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3937     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3938     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3939     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3940     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3941
3942     case $INSTALL in
3943     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3944     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3945     esac
3946
3947     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3948
3949     export VERSION
3950     [myver=$($AWK 'BEGIN {
3951       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3952       if(length(vsplit [1]) > 4) {
3953         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3954       }
3955       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3956     }')]
3957
3958     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3959
3960     if test x$host_darwin = xyes; then
3961       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3962     fi
3963
3964         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3965            enable_system_aot=yes
3966         fi
3967
3968     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3969       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3970     fi
3971
3972     if test x$DISABLE_MCS_DOCS = xyes; then
3973       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3974     fi
3975
3976     if test x$has_extension_module != xno; then
3977         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3978     fi
3979     
3980     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3981     
3982     if test "x$test_bcl_opt" = "xyes"; then    
3983       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3984     fi
3985
3986   fi
3987
3988 )
3989
3990 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3991
3992 echo "
3993         mcs source:    $mcsdir
3994
3995    Engine:
3996         Host:          $host
3997         Target:        $target
3998         GC:            $gc_msg 
3999         TLS:           $with_tls
4000         SIGALTSTACK:   $with_sigaltstack
4001         Engine:        $jit_status
4002         oprofile:      $OPROFILE
4003         BigArrays:     $enable_big_arrays
4004         DTrace:        $enable_dtrace
4005         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4006
4007    Libraries:
4008         .NET 4.6:        $with_profile4_x
4009         Xamarin.Android: $with_monodroid
4010         Xamarin.iOS:     $with_monotouch
4011         Xamarin.WatchOS: $with_monotouch_watch
4012         Xamarin.TVOS:    $with_monotouch_tv
4013         Xamarin.Mac:     $with_xammac
4014         JNI support:     $jdk_headers_found
4015         libgdiplus:      $libgdiplus_msg
4016         zlib:            $zlib_msg
4017         $disabled
4018 "
4019 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4020    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4021 fi