[runtime] Default mobile_static AOT type to FullAOT
[mono.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
3
4 # when bumping version number below, keep it in sync with man/mono.1 too
5 AC_INIT(mono, [4.7.0],
6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
7
8 AC_CONFIG_SRCDIR([README.md])
9 AC_CONFIG_MACRO_DIR([m4])
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12
13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
14 # The extra brackets are to foil regex-based scans.
15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16
17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21
22 AC_CONFIG_HEADERS([config.h])
23 AM_MAINTAINER_MODE
24
25 API_VER=2.0
26 AC_SUBST(API_VER)
27
28 AC_PROG_LN_S
29
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31
32 case $host_os in
33 *cygwin* )
34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
35                  exit 1
36 esac
37
38 # In case of cygwin, override LN_S, irrespective of what it determines.
39 # The build uses cygwin, but the actual runtime doesn't.
40 case $host_os in
41 *cygwin* ) LN_S='cp -p';;
42 esac
43
44 #
45 # libgc defaults
46 #
47 libgc_configure_args=
48
49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
52 CFLAGS_FOR_LIBGC=$CFLAGS
53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
54 CFLAGS_FOR_EGLIB=$CFLAGS
55
56 # libgc uses some deprecated APIs
57 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
58
59 #
60 # These are the flags that need to be stored in the mono.pc file for 
61 # compiling code that will embed Mono
62 #
63 libmono_cflags=""
64 libmono_ldflags=""
65 AC_SUBST(libmono_cflags)
66 AC_SUBST(libmono_ldflags)
67
68 # Variable to have relocatable .pc files (lib, or lib64)
69 reloc_libdir=`basename ${libdir}`
70 AC_SUBST(reloc_libdir)
71
72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
73 need_link_unlink=no
74
75 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
76 extra_runtime_ldflags=""
77
78 # Thread configuration inspired by sleepycat's db
79 AC_MSG_CHECKING([host platform characteristics])
80 libgc_threads=no
81 has_dtrace=no
82 parallel_mark=yes
83 ikvm_native=yes
84
85 host_win32=no
86 target_win32=no
87 platform_android=no
88 host_darwin=no
89 case "$host" in
90         *-mingw*|*-*-cygwin*)
91                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
92                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
93                 host_win32=yes
94                 mono_cv_clang=no
95                 if test "x$cross_compiling" = "xno"; then
96                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
97                                 target_win32=yes
98                         fi
99                 else
100                         if test "x$host" = "x$target"; then
101                                 target_win32=yes
102                         fi
103                 fi
104                 HOST_CC="gcc"
105                 # Windows Vista or later is required
106                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
107                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
108                 libmono_cflags="-mms-bitfields -mwindows"
109                 libmono_ldflags="-mms-bitfields -mwindows"
110                 libdl=
111                 libgc_threads=win32
112                 with_sigaltstack=no
113                 with_tls=pthread
114                 LN_S=cp
115                 # This forces libgc to use the DllMain based thread registration code on win32
116                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
117                 ;;
118         *-*-*netbsd*)
119                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
120                 libmono_cflags="-D_REENTRANT"
121                 LDFLAGS="$LDFLAGS -pthread"
122                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
123                 libmono_ldflags="-pthread"
124                 need_link_unlink=yes
125                 libdl="-ldl"
126                 libgc_threads=pthreads
127                 with_sigaltstack=no
128                 use_sigposix=yes
129                 ;;
130         *-*-kfreebsd*-gnu)
131                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
132                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
133                 libmono_ldflags="-lpthread -pthread"
134                 libdl="-ldl"
135                 libgc_threads=pthreads
136                 need_link_unlink=yes
137                 with_sigaltstack=no
138                 use_sigposix=yes
139                 ;;
140         *-*-*freebsd*)
141                 if test "x$PTHREAD_CFLAGS" = "x"; then
142                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
143                         libmono_cflags=
144                 else
145                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
146                         libmono_cflags="$PTHREAD_CFLAGS"
147                 fi
148                 if test "x$PTHREAD_LIBS" = "x"; then
149                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
150                         libmono_ldflags="-pthread"
151                 else
152                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
153                         libmono_ldflags="$PTHREAD_LIBS"
154                 fi
155                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
156                 need_link_unlink=yes
157                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
158                 libdl=
159                 libgc_threads=pthreads
160                 use_sigposix=yes
161                 has_dtrace=yes
162                 ;;
163         *-*-*openbsd*)
164                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
165                 if test "x$disable_munmap" != "xyes"; then
166                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
167                 fi
168                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
169                 LDFLAGS="$LDFLAGS -pthread"
170                 need_link_unlink=yes
171                 AC_DEFINE(PTHREAD_POINTER_ID)
172                 libdl=
173                 libgc_threads=pthreads
174                 with_sigaltstack=no
175                 use_sigposix=yes
176                 ;;
177         *-*-linux-android*)
178                 platform_android=yes
179                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
180                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
181
182                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
183                 if test "x$disable_munmap" != "xyes"; then
184                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
185                 fi
186                 libmono_cflags="-D_REENTRANT"
187                 libdl="-ldl"
188                 libgc_threads=pthreads
189                 use_sigposix=yes
190
191                 with_tls=pthread
192                 with_sigaltstack=no
193                 with_static_mono=no
194
195                 # Android doesn't support boehm, as it's missing <link.h>
196                 support_boehm=no
197                 with_gc=sgen
198
199                 # isinf(3) requires -lm; see isinf check below
200                 LDFLAGS="$LDFLAGS -lm"
201
202                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
203                 # PAGE_SIZE; breaks mono/io-layer/collection.c
204                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
205                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
206                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
207
208                 # The configure check can't detect this
209                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
210
211                 # to bypass the underscore linker check, can't work when cross-compiling
212                 mono_cv_uscore=yes
213                 mono_cv_clang=no
214                 ;;
215         *-*-linux*)
216                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
217                 if test "x$disable_munmap" != "xyes"; then
218                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
219                 fi
220                 libmono_cflags="-D_REENTRANT"
221                 libdl="-ldl"
222                 libgc_threads=pthreads
223                 use_sigposix=yes
224                 if test "x$cross_compiling" != "xno"; then
225                         # to bypass the underscore linker check, not
226                         # available during cross-compilation
227                         mono_cv_uscore=no
228                 fi
229                 case "$host" in
230                 aarch64-*)
231                         support_boehm=no
232                         with_gc=sgen
233                         ;;
234                 powerpc*-*-linux*)
235                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
236                         disable_munmap=yes
237                         ;;
238                 esac
239                 ;;
240         *-*-nacl*)
241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
242                 if test "x$disable_munmap" != "xyes"; then
243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
244                 fi
245                 libmono_cflags="-D_REENTRANT"
246                 libdl=
247                 libgc_threads=pthreads
248                 use_sigposix=yes
249                 ikvm_native=no
250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
252                 ;;
253         *-*-hpux*)
254                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
255                 # +ESdbgasm only valid on bundled cc on RISC
256                 # silently ignored for ia64
257                 if test $GCC != "yes"; then
258                         CFLAGS="$CFLAGS +ESdbgasm"
259                         # Arrange for run-time dereferencing of null
260                         # pointers to produce a SIGSEGV signal.
261                         LDFLAGS="$LDFLAGS -z"
262                 fi
263                 CFLAGS="$CFLAGS +ESdbgasm"
264                 LDFLAGS="$LDFLAGS -z"
265                 libmono_cflags="-D_REENTRANT"
266                 libmono_ldflags="-lpthread"
267                 libgc_threads=pthreads
268                 need_link_unlink=yes
269                 use_sigposix=yes
270                 ;;
271         *-*-solaris*)
272                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
273                 need_link_unlink=yes
274                 libmono_cflags="-D_REENTRANT"
275                 libgc_threads=pthreads
276                 has_dtrace=yes
277                 use_sigposix=yes
278                 enable_solaris_tar_check=yes
279                 ;;
280         *-*-darwin*)
281                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
282                 host_darwin=yes
283                 target_mach=yes
284                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
285                 libmono_cflags="-D_THREAD_SAFE"
286                 need_link_unlink=yes
287                 AC_DEFINE(PTHREAD_POINTER_ID)
288                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
289                 libdl=
290                 libgc_threads=pthreads
291                 has_dtrace=yes
292                 if test "x$cross_compiling" = "xyes"; then
293                         has_broken_apple_cpp=yes
294                 fi
295                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
296                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
297                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
298                 case "$host" in
299                         dnl Snow Leopard and newer config.guess reports as this
300                         i*86-*-darwin*)
301                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
302                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
303                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
304                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
305                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
306                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
307                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
308                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
309                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
310                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
311                                 ;;
312                         x*64-*-darwin*)
313                                 ;;
314                         arm*-darwin*)
315                                 has_dtrace=no
316                                 ;;                      
317                 esac
318                 ;;
319         *-*-haiku*)
320                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
321                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
322                 libdl=
323                 LIBS="$LIBS -lnetwork"
324                 need_link_unlink=yes
325                 AC_DEFINE(PTHREAD_POINTER_ID)
326                 libgc_threads=pthreads
327                 use_sigposix=yes
328                 ;;
329         *)
330                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
331                 libdl="-ldl"
332                 ;;
333 esac
334 AC_MSG_RESULT(ok)
335
336 if test x$need_link_unlink = xyes; then
337    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
338 fi
339
340 if test x$host_win32 = xyes; then
341    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
342 fi
343
344 if test x$target_win32 = xyes; then
345    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
346 fi
347
348 AC_SUBST(extra_runtime_ldflags)
349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
355
356 if test -z "$PLATFORM_DARWIN_TRUE"; then :
357 PLATFORM_AOT_SUFFIX=.dylib
358 fi
359
360 if test -z "$PLATFORM_LINUX_TRUE"; then :
361 PLATFORM_AOT_SUFFIX=.so
362 fi
363
364 AC_SUBST(PLATFORM_AOT_SUFFIX)
365
366 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
367
368 AC_CHECK_TOOL(CC, gcc, gcc)
369 AC_PROG_CC
370 AC_CHECK_TOOL(CXX, g++, g++)
371 AC_PROG_CXX
372 AM_PROG_AS
373 AC_PROG_INSTALL
374 AC_PROG_AWK
375 AM_PROG_CC_C_O
376 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
377 : ${CCAS='$(CC)'}
378 # Set ASFLAGS if not already set.
379 : ${CCASFLAGS='$(CFLAGS)'}
380 AC_SUBST(CCAS)
381 AC_SUBST(CCASFLAGS)
382
383 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
384 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
385 if test "x$CXX" = "xg++"; then
386         if test "x$GXX" != "xyes"; then
387                 # automake/libtool is so broken, it requires g++ even if the c++ sources
388                 # are inside automake conditionals
389                 AC_MSG_ERROR([You need to install g++])
390         fi
391 fi
392
393 dnl may require a specific autoconf version
394 dnl AC_PROG_CC_FOR_BUILD
395 dnl CC_FOR_BUILD not automatically detected
396 CC_FOR_BUILD=$CC
397 CFLAGS_FOR_BUILD=$CFLAGS
398 BUILD_EXEEXT=
399 if test "x$cross_compiling" = "xyes"; then
400         CC_FOR_BUILD=cc
401         CFLAGS_FOR_BUILD=
402         BUILD_EXEEXT=""
403 fi
404 AC_SUBST(CC_FOR_BUILD)
405 AC_SUBST(CFLAGS_FOR_BUILD)
406 AC_SUBST(HOST_CC)
407 AC_SUBST(BUILD_EXEEXT)
408
409 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
410 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
411
412 # Set STDC_HEADERS
413 AC_HEADER_STDC
414 AC_LIBTOOL_WIN32_DLL
415 # This causes monodis to not link correctly
416 #AC_DISABLE_FAST_INSTALL
417 AM_PROG_LIBTOOL
418 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
419 DOLT
420
421 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
422 AC_SUBST(export_ldflags)
423
424 # Test whenever ld supports -version-script
425 AC_PROG_LD
426 AC_PROG_LD_GNU
427
428 AM_ICONV()
429
430 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)
431 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.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)
432 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
433                   [], [], [#include <stddef.h>
434                   #include <sys/socket.h>
435                   #include <linux/socket.h>])
436
437 AC_CHECK_HEADERS(sys/user.h, [], [],
438 [
439 #ifdef HAVE_SYS_PARAM_H
440 # include <sys/param.h>
441 #endif
442 ])
443
444 AC_CHECK_HEADERS(linux/serial.h)
445
446 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
447 if test x$have_zlib = xyes; then
448    AC_TRY_COMPILE([#include <zlib.h>], [
449    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
450    return 0;
451    #else
452    #error No good zlib found
453    #endif
454    ],[
455         AC_MSG_RESULT(Using system zlib)
456         zlib_msg="system zlib"
457         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
458    ],[
459         AC_MSG_RESULT(Using embedded zlib)
460         have_zlib=no
461         zlib_msg="bundled zlib"
462    ])
463 fi
464
465 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
466 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
467
468 # for mono/metadata/debug-symfile.c
469 AC_CHECK_HEADERS(elf.h)
470
471 # for support
472 AC_CHECK_HEADERS(poll.h)
473 AC_CHECK_HEADERS(sys/poll.h)
474 AC_CHECK_HEADERS(sys/wait.h)
475 AC_CHECK_HEADERS(grp.h)
476 AC_CHECK_HEADERS(syslog.h)
477
478 # for mono/dis
479 AC_CHECK_HEADERS(wchar.h)
480 AC_CHECK_HEADERS(ieeefp.h)
481 AC_MSG_CHECKING(for isinf)
482 AC_TRY_LINK([#include <math.h>], [
483         int f = isinf (1.0);
484 ], [
485         AC_MSG_RESULT(yes)
486         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
487 ], [
488         # We'll have to use signals
489         AC_MSG_RESULT(no)
490 ])
491 # mingw
492 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
493         AC_TRY_LINK([#include <math.h>], 
494         [ _finite(0.0); ], 
495         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
496         AC_MSG_RESULT(no)))
497
498 # for Linux statfs support
499 AC_CHECK_HEADERS(linux/magic.h)
500
501 # not 64 bit clean in cross-compile
502 AC_CHECK_SIZEOF(void *, 4)
503
504 AC_CACHE_CHECK([for clang],
505         mono_cv_clang,[
506         AC_TRY_COMPILE([], [
507                 #ifdef __clang__
508                 #else
509                 #error "FAILED"
510                 #endif
511                 return 0;
512         ],
513         [mono_cv_clang=yes],
514         [mono_cv_clang=no],
515         [])
516 ])
517
518 AC_ARG_ENABLE(visibility-hidden,
519 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
520    disable_visibility_hidden=yes, disable_visibility_hidden=no)
521
522 WARN=''
523 if test x"$GCC" = xyes; then
524         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
525
526                 # We require C99 with some GNU extensions, e.g. `linux` macro
527                 CFLAGS="$CFLAGS -std=gnu99"
528
529                 # The runtime code does not respect ANSI C strict aliasing rules
530                 CFLAGS="$CFLAGS -fno-strict-aliasing"
531
532                 # We rely on signed overflow to behave
533                 CFLAGS="$CFLAGS -fwrapv"
534
535                 # We rely on zero length arrays in structs
536                 CFLAGS="$CFLAGS -Wno-zero-length-array"
537
538                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
539                 if test x"$disable_visibility_hidden" = xno; then
540                    # Don't export any symbols by default
541                    SHARED_CFLAGS="-fvisibility=hidden"
542                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
543                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
544                 fi
545
546                 ORIG_CFLAGS=$CFLAGS
547                 # Check for the normal version, since gcc ignores unknown -Wno options
548                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
549                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
550                 AC_TRY_COMPILE([],[
551                                 return 0;
552                 ], [
553                    AC_MSG_RESULT(yes)
554                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
555                 ], [
556                    AC_MSG_RESULT(no)
557                    CFLAGS=$ORIG_CFLAGS
558                 ])
559
560                 if test "x$mono_cv_clang" = "xyes"; then
561                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
562                    WARN="$WARN -Qunused-arguments"
563                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
564                 fi
565 else
566         # The Sun Forte compiler complains about inline functions that access static variables
567         # so disable all inlining.
568         case "$host" in
569         *-*-solaris*)
570                 CFLAGS="$CFLAGS -Dinline="
571                 ;;
572         esac
573 fi
574 CFLAGS="$CFLAGS -g $WARN"
575 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
576 CPPFLAGS="$CPPFLAGS -g $WARN"
577
578 # Where's the 'mcs' source tree?
579 if test -d $srcdir/mcs; then
580   mcsdir=mcs
581 else
582   mcsdir=../mcs
583 fi
584
585 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
586         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
587                 mcsdir=$with_mcs_path
588         fi
589 )
590
591 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
592
593 #
594 # A sanity check to catch cases where the package was unpacked
595 # with an ancient tar program (Solaris)
596 #
597 AC_ARG_ENABLE(solaris-tar-check,
598 [  --disable-solaris-tar-check    disable solaris tar check],
599    do_solaris_tar_check=no, do_solaris_tar_check=yes)
600
601 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
602         AC_MSG_CHECKING(integrity of package)
603         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
604         then
605                 AC_MSG_RESULT(ok)
606         else
607                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
608                 AC_MSG_ERROR([$errorm])
609         fi
610 fi
611
612 if test "x$with_mcs_path" != "x"; then
613 mcs_topdir=$(cd "$mcsdir" && pwd)
614 mcs_topdir_from_srcdir=$mcs_topdir
615 else
616 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
617 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
618 fi
619
620 # Convert mcs_topdir* paths to Windows syntax.
621 if test x$cross_compiling$host_win32 = xnoyes; then
622   mcs_topdir=$(cygpath -m $mcs_topdir)
623   case $mcs_topdir_from_srcdir in
624     /cygdrive/*)
625         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
626         ;;
627   esac
628 fi
629
630 AC_SUBST([mcs_topdir])
631 AC_SUBST([mcs_topdir_from_srcdir])
632
633 # gettext: prepare the translation directories. 
634 # we do not configure the full gettext, as we consume it dynamically from C#
635 AM_PO_SUBDIRS
636
637 if test "x$USE_NLS" = "xyes"; then
638    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
639
640    if test "x$HAVE_MSGFMT" = "xno"; then
641           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
642    fi
643 fi
644
645 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
646
647 pkg_config_path=
648 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
649         if test x$with_crosspkgdir = "x"; then
650                 if test -s $PKG_CONFIG_PATH; then
651                         pkg_config_path=$PKG_CONFIG_PATH
652                 fi
653         else
654                 pkg_config_path=$with_crosspkgdir
655                 PKG_CONFIG_PATH=$pkg_config_path
656                 export PKG_CONFIG_PATH
657         fi
658 )
659
660 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
661 if test x$werror_flag = xyes; then
662         WERROR_CFLAGS="-Werror"
663 fi
664 AC_SUBST([WERROR_CFLAGS])
665 AC_SUBST([SHARED_CFLAGS])
666
667 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
668 AC_CONFIG_SUBDIRS(eglib)
669
670 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
671 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
672   
673 AC_SUBST(GLIB_CFLAGS)
674 AC_SUBST(GLIB_LIBS)
675
676 # Enable support for fast thread-local storage
677 # Some systems have broken support, so we allow to disable it.
678 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
679
680 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
681 # This does not work on some platforms (bug #55253)
682 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
683
684 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
685 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
686 # Same as --with-shared_mono=no
687 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
688
689 if test "x$enable_static" = "xno"; then
690    with_static_mono=no
691 fi
692
693 if test "x$enable_shared" = "xno"; then
694    with_shared_mono=no
695 fi
696
697 if test "x$enable_libraries" = "xno"; then
698    with_shared_mono=no
699 fi
700
701 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
702
703 case $host in
704 *nacl* ) with_shared_mono=yes;;
705 esac
706
707 if test "x$host_win32" = "xyes"; then
708    # Boehm GC requires the runtime to be in its own dll
709    with_static_mono=no
710 fi
711
712 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
713 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
714 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
715
716 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
717 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
718         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
719         ORIG_CFLAGS=$CFLAGS
720         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
721         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
722         AC_TRY_COMPILE([], [
723                 return 0;
724         ], [
725            AC_MSG_RESULT(yes)
726            # Pass it to libgc as well
727            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
728         ], [
729            AC_MSG_RESULT(no)
730            CFLAGS=$ORIG_CFLAGS
731         ])
732 fi
733
734 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
735
736 if test x$enable_small_config = xyes; then
737         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
738         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
739 fi
740
741 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=$enableval, enable_system_aot=default)
742
743 DISABLED_FEATURES=none
744
745 #
746 # Set the build profiles and options before things which use them
747 #
748
749 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
750 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
751 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
752 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
753 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
754 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
755 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
756 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
757
758 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
759
760 dnl
761 dnl Profile defaults
762 dnl
763 TEST_PROFILE=default
764 enable_llvm_default=no
765
766 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
767
768 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
769    DISABLE_MCS_DOCS_default=yes
770    with_profile4_x_default=no
771    with_monodroid_default=no
772    with_monotouch_default=no
773    with_monotouch_watch_default=no
774    with_monotouch_tv_default=no
775    with_xammac_default=no
776    with_mobile_static_default=no
777    with_bitcode_default=no
778    with_cooperative_gc_default=no
779 elif test x$with_runtime_preset = xnet_4_x; then
780    with_cooperative_gc_default=no
781    with_profile4_x_default=yes
782    with_monodroid_default=no
783    with_monotouch_default=no
784    with_monotouch_watch_default=no
785    with_monotouch_tv_default=no
786    with_xammac_default=no
787    with_mobile_static_default=no
788    with_bitcode_default=no
789 elif test x$with_runtime_preset = xall; then
790    with_cooperative_gc_default=no
791    with_profile4_x_default=yes
792    with_monodroid_default=yes
793    with_monotouch_default=yes
794    with_monotouch_watch_default=yes
795    with_monotouch_tv_default=yes
796    with_xammac_default=yes
797    with_mobile_static_default=no
798    with_bitcode_default=no
799 elif test x$with_runtime_preset = xmobile_static; then
800    DISABLE_MCS_DOCS_default=yes
801    with_cooperative_gc_default=no
802    with_profile4_x_default=no
803    with_monodroid_default=no
804    with_monotouch_default=no
805    with_monotouch_watch_default=no
806    with_monotouch_tv_default=no
807    with_xammac_default=no
808    with_mobile_static_default=yes
809    with_bitcode_default=no
810    with_cooperative_gc_default=no
811    TEST_PROFILE=mobile_static 
812
813    mono_feature_disable_com='yes'
814    mono_feature_disable_remoting='yes'
815    mono_feature_disable_reflection_emit_save='yes'
816    mono_feature_disable_reflection_emit='yes'
817    mono_feature_disable_appdomains='yes'
818
819    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
820    AOT_RUN_FLAGS="--full-aot"
821 elif test x$with_runtime_preset = xbitcode_mobile_static; then
822    DISABLE_MCS_DOCS_default=yes
823    with_profile4_x_default=no
824    with_monodroid_default=no
825    with_monotouch_default=no
826    with_monotouch_watch_default=no
827    with_monotouch_tv_default=no
828    with_xammac_default=no
829    with_mobile_static_default=yes
830    with_bitcode_default=yes
831    with_cooperative_gc_default=yes
832    TEST_PROFILE=mobile_static 
833    enable_llvm_default=yes
834
835    mono_feature_disable_com='yes'
836    mono_feature_disable_remoting='yes'
837    mono_feature_disable_reflection_emit_save='yes'
838    mono_feature_disable_reflection_emit='yes'
839    mono_feature_disable_appdomains='yes'
840
841    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
842    AOT_RUN_FLAGS="--llvmonly"
843 else
844    with_profile4_x_default=yes
845    with_monodroid_default=no
846    with_monotouch_default=no
847    with_monotouch_watch_default=no
848    with_monotouch_tv_default=no
849    with_bitcode_default=no
850    with_xammac_default=no
851    with_mobile_static_default=no
852    with_cooperative_gc_default=no
853 fi
854
855 # Have a default AOT mode for mobile_static
856 if test "x$AOT_BUILD_FLAGS" = "x"; then :
857    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
858    AOT_RUN_FLAGS="--full-aot"
859 fi
860
861 AC_SUBST(AOT_BUILD_FLAGS)
862 AC_SUBST(AOT_RUN_FLAGS)
863 # For llvmonlycheck + fullaotcheck
864 AC_SUBST(INVARIANT_AOT_OPTIONS)
865
866 AC_SUBST(TEST_PROFILE)
867
868 if test "x$with_profile4_x" = "xdefault"; then
869    with_profile4_x=$with_profile4_x_default
870 fi
871 if test "x$with_monodroid" = "xdefault"; then
872    with_monodroid=$with_monodroid_default
873 fi
874 if test "x$with_monotouch" = "xdefault"; then
875    with_monotouch=$with_monotouch_default
876 fi
877 if test "x$with_monotouch_watch" = "xdefault"; then
878    with_monotouch_watch=$with_monotouch_watch_default
879 fi
880 if test "x$with_monotouch_tv" = "xdefault"; then
881    with_monotouch_tv=$with_monotouch_tv_default
882 fi
883 if test "x$with_bitcode" = "xdefault"; then
884    with_bitcode=$with_bitcode_default
885 fi
886 if test "x$with_xammac" = "xdefault"; then
887    with_xammac=$with_xammac_default
888 fi
889 if test "x$with_mobile_static" = "xdefault"; then
890    with_mobile_static=$with_mobile_static_default
891 fi
892
893 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
894 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
895 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
896 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
897 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
898 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
899 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
900 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
901
902 AC_SUBST(INSTALL_MOBILE_STATIC)
903
904 default_profile=net_4_x
905 if test -z "$INSTALL_MONODROID_TRUE"; then :
906    default_profile=monodroid
907 fi
908 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
909    default_profile=monotouch
910 fi
911 if test -z "$INSTALL_XAMMAC_TRUE"; then :
912    default_profile=xammac
913 fi
914 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
915    default_profile=mobile_static
916 fi
917 if test -z "$INSTALL_4_x_TRUE"; then :
918    default_profile=net_4_x
919 fi
920 DEFAULT_PROFILE=$default_profile
921 AC_SUBST(DEFAULT_PROFILE)
922
923 #
924 # End build profile configuration
925 #
926
927 if test x$USE_NLS = xprofile_default; then
928
929 if test x$host_darwin = xyes; then
930 # We make the default value for USE_NLS
931 # "no" on OSX because it isn't available on most
932 # default OSX installs. The most common configurations will
933 # all disable it, so this saves us typing.
934   USE_NLS=no
935   AC_SUBST([USE_NLS])
936   AC_MSG_RESULT([$USE_NLS])
937 else
938   USE_NLS=yes
939   AC_SUBST([USE_NLS])
940   AC_MSG_RESULT([$USE_NLS])
941 fi
942
943 fi
944
945 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
946      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
947      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
948          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
949 [
950         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
951                 eval "mono_feature_disable_$feature='yes'"
952         done
953         DISABLED_FEATURES=$enable_minimal
954         disabled="Disabled:      $enable_minimal"
955 ],[])
956
957 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
958
959 if test "x$mono_feature_disable_aot" = "xyes"; then
960         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
961         enable_system_aot=no
962         AC_MSG_NOTICE([Disabled AOT compiler])
963 fi
964
965 if test "x$mono_feature_disable_profiler" = "xyes"; then
966         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
967         AC_MSG_NOTICE([Disabled support for the profiler])
968 fi
969 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
970
971 if test "x$mono_feature_disable_decimal" = "xyes"; then
972         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
973         AC_MSG_NOTICE([Disabled support for decimal])
974 fi
975
976 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
977         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
978         AC_MSG_NOTICE([Disabled support for P/Invoke])
979 fi
980
981 if test "x$mono_feature_disable_debug" = "xyes"; then
982         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
983         AC_MSG_NOTICE([Disabled support for runtime debugging])
984 fi
985
986 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
987         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
988         mono_feature_disable_reflection_emit_save=yes
989         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
990 fi
991
992 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
993         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
994         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
995 fi
996
997 if test "x$mono_feature_disable_large_code" = "xyes"; then
998         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
999         AC_MSG_NOTICE([Disabled support for large assemblies])
1000 fi
1001
1002 if test "x$mono_feature_disable_logging" = "xyes"; then
1003         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1004         AC_MSG_NOTICE([Disabled support for logging])
1005 fi
1006
1007 if test "x$mono_feature_disable_com" = "xyes"; then
1008         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1009         AC_MSG_NOTICE([Disabled COM support])
1010 fi
1011
1012 if test "x$mono_feature_disable_ssa" = "xyes"; then
1013         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1014         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1015 fi
1016
1017 if test "x$mono_feature_disable_generics" = "xyes"; then
1018         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1019         AC_MSG_NOTICE([Disabled Generics Support])
1020 fi
1021
1022 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1023         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1024         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1025 fi
1026
1027 if test "x$mono_feature_disable_portability" = "xyes"; then
1028         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1029         AC_MSG_NOTICE([Disabled IO Portability layer])
1030 fi
1031
1032 if test "x$mono_feature_disable_attach" = "xyes"; then
1033         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1034         AC_MSG_NOTICE([Disabled agent attach])
1035 fi
1036
1037 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1038         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1039         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1040 fi
1041
1042 if test "x$mono_feature_disable_verifier" = "xyes"; then
1043         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1044         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1045 fi
1046
1047 if test "x$mono_feature_disable_jit" = "xyes"; then
1048         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1049         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1050 fi
1051
1052 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1053
1054 if test "x$mono_feature_disable_simd" = "xyes"; then
1055         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1056         AC_MSG_NOTICE([Disabled SIMD support])
1057 fi
1058
1059 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1060         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1061         AC_MSG_NOTICE([Disabled Soft Debugger.])
1062 fi
1063
1064 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1065         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1066         AC_MSG_NOTICE([Disabled Performance Counters.])
1067 fi
1068 if test "x$mono_feature_disable_normalization" = "xyes"; then
1069         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1070         AC_MSG_NOTICE([Disabled String normalization support.])
1071 fi
1072
1073 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1074         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1075         AC_MSG_NOTICE([Disabled Assembly remapping.])
1076 fi
1077
1078 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1079         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1080         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1081 fi
1082
1083 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1084         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1085         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1086 fi
1087
1088 if test "x$mono_feature_disable_remoting" = "xyes"; then
1089         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1090         AC_MSG_NOTICE([Disabled remoting])
1091 fi
1092
1093 if test "x$mono_feature_disable_security" = "xyes"; then
1094         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1095         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1096 fi
1097
1098 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1099         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1100         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1101 fi
1102
1103 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1104         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1105         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1106 fi
1107
1108 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1109         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1110         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1111 fi
1112
1113 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1114         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1115         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1116 fi
1117
1118 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1119         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1120         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1121 fi
1122
1123 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1124 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1125
1126 has_extension_module=no
1127 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1128 [
1129         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1130                 if test x$extension = xdefault ; then
1131                         has_extension_module=yes;
1132                 fi
1133         done
1134         if test x$enable_extension_module = xyes; then
1135                 has_extension_module=yes;
1136         fi
1137 ], [])
1138
1139 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1140
1141 if test x$has_extension_module != xno ; then
1142         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1143         AC_MSG_NOTICE([Enabling mono extension module.])
1144 fi
1145
1146 # Deprecated
1147 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1148
1149 AC_MSG_CHECKING(for visibility __attribute__)
1150 AC_COMPILE_IFELSE([
1151         AC_LANG_SOURCE([[
1152                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1153                 int main () { doit (); return 0; }
1154         ]])
1155 ], [
1156    have_visibility_hidden=yes
1157    AC_MSG_RESULT(yes)
1158 ], [
1159    have_visibility_hidden=no
1160    AC_MSG_RESULT(no)
1161 ])
1162
1163 AC_MSG_CHECKING(for deprecated __attribute__)
1164 AC_TRY_COMPILE([
1165      int doit (void) __attribute__ ((deprecated));
1166      int doit (void) { return 0; }
1167 ], [
1168         return 0;
1169 ], [
1170    have_deprecated=yes
1171    AC_MSG_RESULT(yes)
1172 ], [
1173    have_deprecated=no
1174    AC_MSG_RESULT(no)
1175 ])
1176
1177 dnl
1178 dnl Boehm GC configuration
1179 dnl
1180
1181 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1182
1183 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1184 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1185
1186 if test "x$support_boehm" = "xyes"; then
1187
1188         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1189         if test x$enable_parallel_mark = xyes; then
1190                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1191         fi
1192
1193         gc_msg=""
1194         LIBGC_CPPFLAGS=
1195         LIBGC_LIBS=
1196         LIBGC_STATIC_LIBS=
1197         libgc_dir=
1198         case "x$libgc" in
1199                 xincluded)
1200                         if test "x$support_boehm" = "xyes"; then
1201                                 libgc_dir=libgc
1202                         fi
1203
1204                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1205                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1206                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1207
1208                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1209
1210                         if test x$target_win32 = xyes; then
1211                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1212                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1213                         fi
1214
1215                         gc_msg="Included Boehm GC with typed GC"
1216                         if test x$enable_parallel_mark = xyes; then
1217                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1218                                 gc_msg="$gc_msg and parallel mark"
1219                         else
1220                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1221                         fi
1222                         ;;
1223
1224                 xboehm|xbohem|xyes)
1225                         AC_MSG_WARN("External Boehm is no longer supported")
1226                         ;;
1227
1228                 xsgen)
1229                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1230                         ;;
1231
1232                 xnone)
1233                         AC_MSG_WARN("Compiling mono without GC.")
1234                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1235                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1236                         gc_msg="none"
1237                         ;;
1238                 *)
1239                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1240                         ;;
1241         esac
1242
1243         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1244         if test "x$large_heap" = "xyes"; then
1245            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1246         fi
1247
1248         AC_SUBST(LIBGC_CPPFLAGS)
1249         AC_SUBST(LIBGC_LIBS)
1250         AC_SUBST(LIBGC_STATIC_LIBS)
1251         AC_SUBST(libgc_dir)
1252         AC_SUBST(BOEHM_DEFINES)
1253
1254 fi
1255
1256 dnl
1257 dnl End of Boehm GC Configuration
1258 dnl
1259
1260 dnl *************************************
1261 dnl *** Checks for zero length arrays ***
1262 dnl *************************************
1263 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1264 AC_TRY_COMPILE([
1265         struct s {
1266                 int  length;
1267                 char data [0];
1268         };
1269 ], [], [
1270         AC_MSG_RESULT(yes)
1271         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1272 ], [
1273         AC_MSG_RESULT(no)
1274         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1275 ])
1276
1277 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1278
1279 dnl ***********************************
1280 dnl *** Checks for signals
1281 dnl ***********************************
1282 AC_CHECK_HEADERS(signal.h)
1283 AC_CHECK_FUNCS(sigaction)
1284 AC_CHECK_FUNCS(kill)
1285 AC_CHECK_FUNCS(signal)
1286
1287 # signal() is declared inline in Android headers
1288 # so we need to workaround it by overriding the check.
1289 if test x$platform_android = xyes; then
1290         AC_DEFINE(HAVE_SIGNAL,1)
1291 fi
1292
1293 if test x$host_win32 = xno; then
1294
1295         dnl hires monotonic clock support
1296         AC_SEARCH_LIBS(clock_gettime, rt)
1297         AC_CHECK_FUNCS(clock_nanosleep)
1298
1299         dnl dynamic loader support
1300         AC_CHECK_FUNC(dlopen, DL_LIB="",
1301                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1302         )
1303         if test x$dl_support = xno; then
1304                 AC_MSG_WARN([No dynamic loading support available])
1305         else
1306                 LIBS="$LIBS $DL_LIB"
1307                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1308                 dnl from glib's configure.ac
1309                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1310                         mono_cv_uscore,[
1311                         AC_TRY_RUN([#include <dlfcn.h>
1312                         int mono_underscore_test (void) { return 42; }
1313                         int main() {
1314                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1315                           handle = dlopen ((void*)0, 0);
1316                           if (handle) {
1317                             f1 = dlsym (handle, "mono_underscore_test");
1318                             f2 = dlsym (handle, "_mono_underscore_test");
1319                           } return (!f2 || f1);
1320                         }],
1321                                 [mono_cv_uscore=yes],
1322                                 [mono_cv_uscore=no],
1323                         [])
1324                 ])
1325                 if test "x$mono_cv_uscore" = "xyes"; then
1326                         MONO_DL_NEED_USCORE=1
1327                 else
1328                         MONO_DL_NEED_USCORE=0
1329                 fi
1330                 AC_SUBST(MONO_DL_NEED_USCORE)
1331                 AC_CHECK_FUNC(dlerror)
1332         fi
1333
1334         dnl ******************************************************************
1335         dnl *** Checks for the IKVM JNI interface library                  ***
1336         dnl ******************************************************************
1337         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])
1338
1339         ikvm_native_dir=
1340         if test x$with_ikvm_native = xyes; then
1341                 ikvm_native_dir=ikvm-native
1342                 jdk_headers_found="IKVM Native"
1343         fi
1344
1345         AC_SUBST(ikvm_native_dir)
1346
1347         AC_CHECK_HEADERS(execinfo.h)
1348
1349         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1350
1351         AC_CHECK_FUNCS(getgrgid_r)
1352         AC_CHECK_FUNCS(getgrnam_r)
1353         AC_CHECK_FUNCS(getpwnam_r)
1354         AC_CHECK_FUNCS(getpwuid_r)
1355         AC_CHECK_FUNCS(getresuid)
1356         AC_CHECK_FUNCS(setresuid)
1357         AC_CHECK_FUNCS(kqueue)
1358         AC_CHECK_FUNCS(backtrace_symbols)
1359         AC_CHECK_FUNCS(mkstemp)
1360         AC_CHECK_FUNCS(mmap)
1361         AC_CHECK_FUNCS(madvise)
1362         AC_CHECK_FUNCS(getrusage)
1363         AC_CHECK_FUNCS(getpriority)
1364         AC_CHECK_FUNCS(setpriority)
1365         AC_CHECK_FUNCS(dl_iterate_phdr)
1366         AC_CHECK_FUNCS(dladdr)
1367         AC_CHECK_FUNCS(sysconf)
1368         AC_CHECK_FUNCS(getrlimit)
1369         AC_CHECK_FUNCS(prctl)
1370
1371         AC_CHECK_FUNCS(sched_getaffinity)
1372         AC_CHECK_FUNCS(sched_setaffinity)
1373         AC_CHECK_FUNCS(sched_getcpu)
1374
1375         dnl ****************************************************************
1376         dnl *** Check for sched_setaffinity from glibc versions before   ***
1377         dnl *** 2.3.4. The older versions of the function only take 2    ***
1378         dnl *** parameters, not 3.                                       ***
1379         dnl ***                                                          ***
1380         dnl *** Because the interface change was not made in a minor     ***
1381         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1382         dnl *** won't always indicate the interface sched_affinity has.  ***
1383         dnl ****************************************************************
1384         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1385         AC_TRY_COMPILE([#include <sched.h>], [
1386             int mask = 1; 
1387             sched_setaffinity(0, &mask);
1388                         return 0;
1389         ], [
1390                 # Yes, we have it...
1391                 AC_MSG_RESULT(yes)
1392                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1393         ], [
1394                 # We have the new, three-parameter version
1395                 AC_MSG_RESULT(no)
1396         ])
1397
1398
1399         dnl ******************************************************************
1400         dnl *** Check for large file support                               ***
1401         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1402         dnl ******************************************************************
1403         
1404         # Check that off_t can represent 2**63 - 1 correctly, working around
1405         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1406         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1407         large_offt=no
1408         AC_DEFUN([LARGE_FILES], [
1409                 large_CPPFLAGS=$CPPFLAGS
1410                 CPPFLAGS="$CPPFLAGS $1"
1411                 AC_TRY_COMPILE([
1412                         #include <sys/types.h>
1413                         #include <limits.h>
1414                 ], [
1415                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1416                         #define COMPILE_TIME_ASSERT(pred) \
1417                                 switch(0){case 0:case pred:;}
1418                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1419                 ], [
1420                         AC_MSG_RESULT(ok)
1421                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1422                         large_CPPFLAGS="$large_CPPFLAGS $1"
1423                         large_offt=yes
1424                 ], [
1425                         AC_MSG_RESULT(no)
1426                 ])
1427                 CPPFLAGS=$large_CPPFLAGS
1428         ])
1429
1430         AC_MSG_CHECKING(if off_t is 64 bits wide)
1431         LARGE_FILES("")
1432         if test $large_offt = no; then
1433                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1434                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1435         fi
1436         if test $large_offt = no; then
1437                 AC_MSG_WARN([No 64 bit file size support available])
1438         fi
1439         
1440         dnl *****************************
1441         dnl *** Checks for libsocket  ***
1442         dnl *****************************
1443         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1444
1445         case "$host" in
1446                 *-*-*freebsd*)
1447                         dnl *****************************
1448                         dnl *** Checks for libinotify ***
1449                         dnl *****************************
1450                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1451         esac
1452
1453         dnl *******************************
1454         dnl *** Checks for MSG_NOSIGNAL ***
1455         dnl *******************************
1456         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1457         AC_TRY_COMPILE([#include <sys/socket.h>], [
1458                 int f = MSG_NOSIGNAL;
1459         ], [
1460                 # Yes, we have it...
1461                 AC_MSG_RESULT(yes)
1462                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1463         ], [
1464                 # We'll have to use signals
1465                 AC_MSG_RESULT(no)
1466         ])
1467
1468         dnl *****************************
1469         dnl *** Checks for IPPROTO_IP ***
1470         dnl *****************************
1471         AC_MSG_CHECKING(for IPPROTO_IP)
1472         AC_TRY_COMPILE([#include <netinet/in.h>], [
1473                 int level = IPPROTO_IP;
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1478         ], [
1479                 # We'll have to use getprotobyname
1480                 AC_MSG_RESULT(no)
1481         ])
1482
1483         dnl *******************************
1484         dnl *** Checks for IPPROTO_IPV6 ***
1485         dnl *******************************
1486         AC_MSG_CHECKING(for IPPROTO_IPV6)
1487         AC_TRY_COMPILE([#include <netinet/in.h>], [
1488                 int level = IPPROTO_IPV6;
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1493         ], [
1494                 # We'll have to use getprotobyname
1495                 AC_MSG_RESULT(no)
1496         ])
1497
1498         dnl ******************************
1499         dnl *** Checks for IPPROTO_TCP ***
1500         dnl ******************************
1501         AC_MSG_CHECKING(for IPPROTO_TCP)
1502         AC_TRY_COMPILE([#include <netinet/in.h>], [
1503                 int level = IPPROTO_TCP;
1504         ], [
1505                 # Yes, we have it...
1506                 AC_MSG_RESULT(yes)
1507                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1508         ], [
1509                 # We'll have to use getprotobyname
1510                 AC_MSG_RESULT(no)
1511         ])
1512
1513         dnl *****************************
1514         dnl *** Checks for SOL_IP     ***
1515         dnl *****************************
1516         AC_MSG_CHECKING(for SOL_IP)
1517         AC_TRY_COMPILE([#include <netdb.h>], [
1518                 int level = SOL_IP;
1519         ], [
1520                 # Yes, we have it...
1521                 AC_MSG_RESULT(yes)
1522                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1523         ], [
1524                 # We'll have to use getprotobyname
1525                 AC_MSG_RESULT(no)
1526         ])
1527
1528         dnl *****************************
1529         dnl *** Checks for SOL_IPV6     ***
1530         dnl *****************************
1531         AC_MSG_CHECKING(for SOL_IPV6)
1532         AC_TRY_COMPILE([#include <netdb.h>], [
1533                 int level = SOL_IPV6;
1534         ], [
1535                 # Yes, we have it...
1536                 AC_MSG_RESULT(yes)
1537                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1538         ], [
1539                 # We'll have to use getprotobyname
1540                 AC_MSG_RESULT(no)
1541         ])
1542
1543         dnl *****************************
1544         dnl *** Checks for SOL_TCP    ***
1545         dnl *****************************
1546         AC_MSG_CHECKING(for SOL_TCP)
1547         AC_TRY_COMPILE([#include <netdb.h>], [
1548                 int level = SOL_TCP;
1549         ], [
1550                 # Yes, we have it...
1551                 AC_MSG_RESULT(yes)
1552                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1553         ], [
1554                 # We'll have to use getprotobyname
1555                 AC_MSG_RESULT(no)
1556         ])
1557
1558         dnl *****************************
1559         dnl *** Checks for IP_PKTINFO ***
1560         dnl *****************************
1561         AC_MSG_CHECKING(for IP_PKTINFO)
1562         AC_TRY_COMPILE([#include <linux/in.h>], [
1563                 int level = IP_PKTINFO;
1564         ], [
1565                 # Yes, we have it...
1566                 AC_MSG_RESULT(yes)
1567                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1568         ], [
1569                 AC_MSG_RESULT(no)
1570         ])
1571
1572         dnl *****************************
1573         dnl *** Checks for IPV6_PKTINFO ***
1574         dnl *****************************
1575         AC_MSG_CHECKING(for IPV6_PKTINFO)
1576         AC_TRY_COMPILE([#include <netdb.h>], [
1577                 int level = IPV6_PKTINFO;
1578         ], [
1579                 # Yes, we have it...
1580                 AC_MSG_RESULT(yes)
1581                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1582         ], [
1583                 AC_MSG_RESULT(no)
1584         ])
1585
1586         dnl **********************************
1587         dnl *** Checks for IP_DONTFRAG     ***
1588         dnl **********************************
1589         AC_MSG_CHECKING(for IP_DONTFRAG)
1590         AC_TRY_COMPILE([#include <netinet/in.h>], [
1591                 int level = IP_DONTFRAG;
1592         ], [
1593                 # Yes, we have it...
1594                 AC_MSG_RESULT(yes)
1595                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1596         ], [
1597                 AC_MSG_RESULT(no)
1598         ])
1599
1600         dnl **********************************
1601         dnl *** Checks for IP_DONTFRAGMENT ***
1602         dnl **********************************
1603         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1604         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1605                 int level = IP_DONTFRAGMENT;
1606         ], [
1607                 # Yes, we have it...
1608                 AC_MSG_RESULT(yes)
1609                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1610         ], [
1611                 AC_MSG_RESULT(no)
1612         ])
1613
1614         dnl **********************************
1615         dnl *** Checks for IP_MTU_DISCOVER ***
1616         dnl **********************************
1617         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1618         AC_TRY_COMPILE([#include <linux/in.h>], [
1619                 int level = IP_MTU_DISCOVER;
1620         ], [
1621                 # Yes, we have it...
1622                 AC_MSG_RESULT(yes)
1623                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1624         ], [
1625                 AC_MSG_RESULT(no)
1626         ])
1627
1628         dnl **********************************
1629         dnl *** Checks for  IP_PMTUDISC_DO ***
1630         dnl **********************************
1631         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1632         AC_TRY_COMPILE([#include <linux/in.h>], [
1633                 int level = IP_PMTUDISC_DO;
1634         ], [
1635                 # Yes, we have it...
1636                 AC_MSG_RESULT(yes)
1637                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1638         ], [
1639                 AC_MSG_RESULT(no)
1640         ])
1641
1642         dnl *********************************
1643         dnl *** Check for struct ip_mreqn ***
1644         dnl *********************************
1645         AC_MSG_CHECKING(for struct ip_mreqn)
1646         AC_TRY_COMPILE([#include <netinet/in.h>], [
1647                 struct ip_mreqn mreq;
1648                 mreq.imr_address.s_addr = 0;
1649         ], [
1650                 # Yes, we have it...
1651                 AC_MSG_RESULT(yes)
1652                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1653         ], [
1654                 # We'll just have to try and use struct ip_mreq
1655                 AC_MSG_RESULT(no)
1656                 AC_MSG_CHECKING(for struct ip_mreq)
1657                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1658                         struct ip_mreq mreq;
1659                         mreq.imr_interface.s_addr = 0;
1660                 ], [
1661                         # Yes, we have it...
1662                         AC_MSG_RESULT(yes)
1663                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1664                 ], [
1665                         # No multicast support
1666                         AC_MSG_RESULT(no)
1667                 ])
1668         ])
1669         
1670         dnl **********************************
1671         dnl *** Check for getaddrinfo ***
1672         dnl **********************************
1673         AC_MSG_CHECKING(for getaddrinfo)
1674                 AC_TRY_LINK([
1675                 #include <stdio.h>
1676                 #include <netdb.h>
1677         ], [
1678                 getaddrinfo(NULL,NULL,NULL,NULL);
1679         ], [
1680                 # Yes, we have it...
1681                 AC_MSG_RESULT(yes)
1682                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1683         ], [
1684                 AC_MSG_RESULT(no)
1685         ])
1686
1687         dnl **********************************
1688         dnl *** Check for gethostbyname2_r ***
1689         dnl **********************************
1690         AC_MSG_CHECKING(for gethostbyname2_r)
1691                 AC_TRY_LINK([
1692                 #include <stdio.h>
1693                 #include <netdb.h>
1694         ], [
1695
1696                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1697         ], [
1698                 # Yes, we have it...
1699                 AC_MSG_RESULT(yes)
1700                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1701         ], [
1702                 AC_MSG_RESULT(no)
1703         ])
1704
1705         dnl **********************************
1706         dnl *** Check for gethostbyname2 ***
1707         dnl **********************************
1708         AC_MSG_CHECKING(for gethostbyname2)
1709                 AC_TRY_LINK([
1710                 #include <stdio.h>
1711                 #include <netdb.h>
1712         ], [
1713                 gethostbyname2(NULL,0);
1714         ], [
1715                 # Yes, we have it...
1716                 AC_MSG_RESULT(yes)
1717                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1718         ], [
1719                 AC_MSG_RESULT(no)
1720         ])
1721
1722         dnl **********************************
1723         dnl *** Check for gethostbyname ***
1724         dnl **********************************
1725         AC_MSG_CHECKING(for gethostbyname)
1726                 AC_TRY_LINK([
1727                 #include <stdio.h>
1728                 #include <netdb.h>
1729         ], [
1730                 gethostbyname(NULL);
1731         ], [
1732                 # Yes, we have it...
1733                 AC_MSG_RESULT(yes)
1734                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1735         ], [
1736                 AC_MSG_RESULT(no)
1737         ])
1738
1739         dnl **********************************
1740         dnl *** Check for getprotobyname ***
1741         dnl **********************************
1742         AC_MSG_CHECKING(for getprotobyname)
1743                 AC_TRY_LINK([
1744                 #include <stdio.h>
1745                 #include <netdb.h>
1746         ], [
1747                 getprotobyname(NULL);
1748         ], [
1749                 # Yes, we have it...
1750                 AC_MSG_RESULT(yes)
1751                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1752         ], [
1753                 AC_MSG_RESULT(no)
1754         ])
1755
1756         dnl **********************************
1757         dnl *** Check for getnameinfo ***
1758         dnl **********************************
1759         AC_MSG_CHECKING(for getnameinfo)
1760                 AC_TRY_LINK([
1761                 #include <stdio.h>
1762                 #include <netdb.h>
1763         ], [
1764                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1765         ], [
1766                 # Yes, we have it...
1767                 AC_MSG_RESULT(yes)
1768                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1769         ], [
1770                 AC_MSG_RESULT(no)
1771         ])
1772
1773
1774         dnl **********************************
1775         dnl *** Check for inet_ntop ***
1776         dnl **********************************
1777         AC_MSG_CHECKING(for inet_ntop)
1778                 AC_TRY_LINK([
1779                 #include <stdio.h>
1780                 #include <arpa/inet.h>
1781         ], [
1782                 inet_ntop (0, NULL, NULL, 0);
1783         ], [
1784                 # Yes, we have it...
1785                 AC_MSG_RESULT(yes)
1786                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1787         ], [
1788                 AC_MSG_RESULT(no)
1789         ])
1790
1791         dnl *****************************
1792         dnl *** Checks for libnsl     ***
1793         dnl *****************************
1794         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1795
1796         AC_CHECK_FUNCS(inet_pton inet_aton)
1797
1798         dnl *****************************
1799         dnl *** Checks for libxnet    ***
1800         dnl *****************************
1801         case "${host}" in
1802                 *solaris* )
1803                         AC_MSG_CHECKING(for Solaris XPG4 support)
1804                         if test -f /usr/lib/libxnet.so; then
1805                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1806                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1807                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1808                                 LIBS="$LIBS -lxnet"
1809                                 AC_MSG_RESULT(yes)
1810                         else
1811                                 AC_MSG_RESULT(no)
1812                         fi
1813
1814                         if test "$GCC" = "yes"; then
1815                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1816                         fi
1817                 ;;
1818         esac
1819
1820         dnl *****************************
1821         dnl *** Checks for libpthread ***
1822         dnl *****************************
1823 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1824 # and libpthread does not exist
1825 #
1826         case "${host}" in
1827                 *-*-*freebsd*)
1828                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1829                 ;;
1830                 *-*-*openbsd*)
1831                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1832                 ;;
1833                 *)
1834                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1835                 ;;
1836         esac
1837         AC_CHECK_HEADERS(pthread.h)
1838         AC_CHECK_HEADERS(pthread_np.h)
1839         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1840         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1841         AC_CHECK_FUNCS(pthread_kill)
1842         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1843         AC_TRY_COMPILE([ #include <pthread.h>], [
1844                 pthread_mutexattr_t attr;
1845                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1846         ], [
1847                 AC_MSG_RESULT(ok)
1848         ], [
1849                 AC_MSG_RESULT(no)
1850                 AC_ERROR(Posix system lacks support for recursive mutexes)
1851         ])
1852         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1853         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1854         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1855
1856         dnl **********************************
1857         dnl *** Check for mincore ***
1858         dnl **********************************
1859         AC_MSG_CHECKING(for mincore)
1860                 AC_TRY_LINK([
1861                 #include <stdio.h>
1862                 #include <sys/types.h>
1863                 #include <sys/mman.h>
1864         ], [
1865                 mincore(NULL, 0, NULL);
1866         ], [
1867                 # Yes, we have it...
1868                 AC_MSG_RESULT(yes)
1869                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1870         ], [
1871                 AC_MSG_RESULT(no)
1872         ])
1873
1874         dnl ***********************************
1875         dnl *** Checks for working __thread ***
1876         dnl ***********************************
1877         AC_MSG_CHECKING(for working __thread)
1878         if test "x$with_tls" != "x__thread"; then
1879                 AC_MSG_RESULT(disabled)
1880         elif test "x$cross_compiling" = "xyes"; then
1881                 AC_MSG_RESULT(cross compiling, assuming yes)
1882         else
1883                 AC_TRY_RUN([
1884                         #if defined(__APPLE__) && defined(__clang__)
1885                         #error "__thread does not currently work with clang on Mac OS X"
1886                         #endif
1887                         
1888                         #include <pthread.h>
1889                         __thread int i;
1890                         static int res1, res2;
1891
1892                         void thread_main (void *arg)
1893                         {
1894                                 i = arg;
1895                                 sleep (1);
1896                                 if (arg == 1)
1897                                         res1 = (i == arg);
1898                                 else
1899                                         res2 = (i == arg);
1900                         }
1901
1902                         int main () {
1903                                 pthread_t t1, t2;
1904
1905                                 i = 5;
1906
1907                                 pthread_create (&t1, NULL, thread_main, 1);
1908                                 pthread_create (&t2, NULL, thread_main, 2);
1909
1910                                 pthread_join (t1, NULL);
1911                                 pthread_join (t2, NULL);
1912
1913                                 return !(res1 + res2 == 2);
1914                         }
1915                 ], [
1916                                 AC_MSG_RESULT(yes)
1917                 ], [
1918                                 AC_MSG_RESULT(no)
1919                                 with_tls=pthread
1920                 ])
1921         fi
1922
1923         dnl **************************************
1924         dnl *** Checks for working sigaltstack ***
1925         dnl **************************************
1926         AC_MSG_CHECKING(for working sigaltstack)
1927         if test "x$with_sigaltstack" != "xyes"; then
1928                 AC_MSG_RESULT(disabled)
1929         elif test "x$cross_compiling" = "xyes"; then
1930                 AC_MSG_RESULT(cross compiling, assuming yes)
1931         else
1932                 AC_TRY_RUN([
1933                         #include <stdio.h>
1934                         #include <stdlib.h>
1935                         #include <unistd.h>
1936                         #include <signal.h>
1937                         #include <pthread.h>
1938                         #include <sys/wait.h>
1939                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1940                         #define SA_STACK SA_ONSTACK
1941                         #endif
1942                         static void
1943                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1944                         {
1945                                 exit (0);
1946                         }
1947
1948                         volatile char*__ptr = NULL;
1949                         static void *
1950                         loop (void *ignored)
1951                         {
1952                                 *__ptr = 0;
1953                                 return NULL;
1954                         }
1955
1956                         static void
1957                         child ()
1958                         {
1959                                 struct sigaction sa;
1960                         #ifdef __APPLE__
1961                                 stack_t sas;
1962                         #else
1963                                 struct sigaltstack sas;
1964                         #endif
1965                                 pthread_t id;
1966                                 pthread_attr_t attr;
1967
1968                                 sa.sa_sigaction = sigsegv_signal_handler;
1969                                 sigemptyset (&sa.sa_mask);
1970                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1971                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1972                                         perror ("sigaction");
1973                                         return;
1974                                 }
1975
1976                                 /* x86 darwin deliver segfaults using SIGBUS */
1977                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1978                                         perror ("sigaction");
1979                                         return;
1980                                 }
1981                                 sas.ss_sp = malloc (SIGSTKSZ);
1982                                 sas.ss_size = SIGSTKSZ;
1983                                 sas.ss_flags = 0;
1984                                 if (sigaltstack (&sas, NULL) == -1) {
1985                                         perror ("sigaltstack");
1986                                         return;
1987                                 }
1988
1989                                 pthread_attr_init (&attr);
1990                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1991                                         printf ("pthread_create\n");
1992                                         return;
1993                                 }
1994
1995                                 sleep (100);
1996                         }
1997
1998                         int
1999                         main ()
2000                         {
2001                                 pid_t son;
2002                                 int status;
2003                                 int i;
2004
2005                                 son = fork ();
2006                                 if (son == -1) {
2007                                         return 1;
2008                                 }
2009
2010                                 if (son == 0) {
2011                                         child ();
2012                                         return 0;
2013                                 }
2014
2015                                 for (i = 0; i < 300; ++i) {
2016                                         waitpid (son, &status, WNOHANG);
2017                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2018                                                 return 0;
2019                                         usleep (10000);
2020                                 }
2021
2022                                 kill (son, SIGKILL);
2023                                 return 1;
2024                         }
2025
2026                 ], [
2027                                 AC_MSG_RESULT(yes)
2028                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2029                 ], [
2030                                 with_sigaltstack=no
2031                                 AC_MSG_RESULT(no)
2032                 ])
2033         fi
2034
2035         dnl ********************************
2036         dnl *** Checks for semaphore lib ***
2037         dnl ********************************
2038         # 'Real Time' functions on Solaris
2039         # posix4 on Solaris 2.6
2040         # pthread (first!) on Linux
2041         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2042
2043         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2044         AC_CHECK_FUNCS(shm_open)
2045
2046         dnl ********************************
2047         dnl *** Checks for timezone stuff **
2048         dnl ********************************
2049         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2050                 AC_TRY_COMPILE([
2051                         #include <time.h>
2052                         ], [
2053                         struct tm tm;
2054                         tm.tm_gmtoff = 1;
2055                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2056         if test $ac_cv_struct_tm_gmtoff = yes; then
2057                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2058         else
2059                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2060                         AC_TRY_COMPILE([
2061                                 #include <time.h>
2062                         ], [
2063                                 timezone = 1;
2064                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2065                 if test $ac_cv_var_timezone = yes; then
2066                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2067                 else
2068                         AC_ERROR(unable to find a way to determine timezone)
2069                 fi
2070         fi
2071
2072         dnl *********************************
2073         dnl *** Checks for math functions ***
2074         dnl *********************************
2075         AC_SEARCH_LIBS(sqrtf, m)
2076         if test "x$has_broken_apple_cpp" != "xyes"; then
2077                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2078                         AC_TRY_LINK([#include <math.h>], 
2079                         [ finite(0.0); ], 
2080                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2081                         AC_MSG_RESULT(no)))
2082         fi
2083         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2084                 AC_TRY_LINK([#include <math.h>], 
2085                 [ isfinite(0.0); ], 
2086                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2087                 AC_MSG_RESULT(no)))
2088
2089         dnl ****************************************************************
2090         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2091         dnl *** have it in the library (duh))                            ***
2092         dnl ****************************************************************
2093         AC_CHECK_FUNCS(poll)
2094
2095         dnl *************************
2096         dnl *** Check for signbit ***
2097         dnl *************************
2098         AC_MSG_CHECKING(for signbit)
2099         AC_TRY_LINK([#include <math.h>], [
2100                 int s = signbit(1.0);
2101         ], [
2102                 AC_MSG_RESULT(yes)
2103                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2104         ], [
2105                 AC_MSG_RESULT(no)
2106         ]) 
2107
2108         dnl **********************************
2109         dnl *** epoll                      ***
2110         dnl **********************************
2111         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2112                 AC_CHECK_HEADERS(sys/epoll.h)
2113                 haveepoll=no
2114                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2115                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2116                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2117                 fi
2118         fi
2119
2120         havekqueue=no
2121
2122         AC_CHECK_HEADERS(sys/event.h)
2123         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2124
2125         dnl **************************************
2126         dnl * Darwin has a race that prevents us from using reliably:
2127         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2128         dnl * Since kqueue is mostly used for scaling large web servers, 
2129         dnl * and very few folks run Mono on large web servers on OSX, falling
2130         dnl * back 
2131         dnl **************************************
2132         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2133                 if test "x$host_darwin" = "xno"; then
2134                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2135                 fi
2136         fi
2137
2138         dnl ******************************
2139         dnl *** Checks for SIOCGIFCONF ***
2140         dnl ******************************
2141         AC_CHECK_HEADERS(sys/ioctl.h)
2142         AC_CHECK_HEADERS(net/if.h, [], [],
2143            [
2144            #ifdef HAVE_SYS_TYPES_H
2145            # include <sys/types.h>
2146            #endif
2147            #ifdef HAVE_SYS_SOCKET_H
2148            # include <sys/socket.h>
2149            #endif
2150            ])
2151         AC_MSG_CHECKING(for ifreq)
2152         AC_TRY_COMPILE([
2153                 #include <stdio.h>
2154                 #include <sys/ioctl.h>
2155                 #include <net/if.h>
2156                 ], [
2157                 struct ifconf ifc;
2158                 struct ifreq *ifr;
2159                 void *x;
2160                 ifc.ifc_len = 0;
2161                 ifc.ifc_buf = NULL;
2162                 x = (void *) &ifr->ifr_addr;
2163                 ],[
2164                         AC_MSG_RESULT(yes)
2165                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2166                 ], [
2167                         AC_MSG_RESULT(no)
2168                 ])
2169         dnl **********************************
2170         dnl ***     Checks for sin_len     ***
2171         dnl **********************************
2172         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2173         AC_TRY_COMPILE([
2174                 #include <netinet/in.h>
2175                 ], [
2176                 struct sockaddr_in saddr;
2177                 saddr.sin_len = sizeof (saddr);
2178                 ],[
2179                         AC_MSG_RESULT(yes)
2180                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2181                 ], [
2182                         AC_MSG_RESULT(no)
2183                 ])      
2184         dnl **********************************
2185         dnl ***    Checks for sin6_len     ***
2186         dnl **********************************
2187         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2188         AC_TRY_COMPILE([
2189                 #include <netinet/in.h>
2190                 ], [
2191                 struct sockaddr_in6 saddr6;
2192                 saddr6.sin6_len = sizeof (saddr6);
2193                 ],[
2194                         AC_MSG_RESULT(yes)
2195                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2196                 ], [
2197                         AC_MSG_RESULT(no)
2198                 ])
2199         dnl **********************************
2200         dnl *** Check for getifaddrs       ***
2201         dnl **********************************
2202         AC_MSG_CHECKING(for getifaddrs)
2203                 AC_TRY_LINK([
2204                 #include <stdio.h>
2205                 #include <sys/types.h>
2206                 #include <sys/socket.h>
2207                 #include <ifaddrs.h>
2208         ], [
2209                 getifaddrs(NULL);
2210         ], [
2211                 # Yes, we have it...
2212                 AC_MSG_RESULT(yes)
2213                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2214         ], [
2215                 AC_MSG_RESULT(no)
2216         ])
2217         dnl **********************************
2218         dnl *** Check for if_nametoindex   ***
2219         dnl **********************************
2220         AC_MSG_CHECKING(for if_nametoindex)
2221                 AC_TRY_LINK([
2222                 #include <stdio.h>
2223                 #include <sys/types.h>
2224                 #include <sys/socket.h>
2225                 #include <net/if.h>
2226         ], [
2227                 if_nametoindex(NULL);
2228         ], [
2229                 # Yes, we have it...
2230                 AC_MSG_RESULT(yes)
2231                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2232         ], [
2233                 AC_MSG_RESULT(no)
2234         ])
2235                         
2236         dnl **********************************
2237         dnl *** Checks for MonoPosixHelper ***
2238         dnl **********************************
2239         AC_CHECK_HEADERS(checklist.h)
2240         AC_CHECK_HEADERS(pathconf.h)
2241         AC_CHECK_HEADERS(fstab.h)
2242         AC_CHECK_HEADERS(attr/xattr.h)
2243         AC_CHECK_HEADERS(sys/extattr.h)
2244         AC_CHECK_HEADERS(sys/sendfile.h)
2245         AC_CHECK_HEADERS(sys/statvfs.h)
2246         AC_CHECK_HEADERS(sys/statfs.h)
2247         AC_CHECK_HEADERS(sys/vfstab.h)
2248         AC_CHECK_HEADERS(sys/xattr.h)
2249         AC_CHECK_HEADERS(sys/mman.h)
2250         AC_CHECK_HEADERS(sys/param.h)
2251         AC_CHECK_HEADERS(sys/mount.h, [], [],
2252                 [
2253                 #ifdef HAVE_SYS_PARAM_H
2254                 # include <sys/param.h>
2255                 #endif
2256                 ])
2257         AC_CHECK_HEADERS(sys/mount.h)
2258         AC_CHECK_FUNCS(confstr)
2259         AC_CHECK_FUNCS(seekdir telldir)
2260         AC_CHECK_FUNCS(getdomainname)
2261         AC_CHECK_FUNCS(setdomainname)
2262         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2263         AC_CHECK_FUNCS(setgroups)
2264         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2265         AC_CHECK_FUNCS(getfsstat)
2266         AC_CHECK_FUNCS(lutimes futimes)
2267         AC_CHECK_FUNCS(mremap)
2268         AC_CHECK_FUNCS(remap_file_pages)
2269         AC_CHECK_FUNCS(posix_fadvise)
2270         AC_CHECK_FUNCS(posix_fallocate)
2271         AC_CHECK_FUNCS(posix_madvise)
2272         AC_CHECK_FUNCS(vsnprintf)
2273         AC_CHECK_FUNCS(sendfile)
2274         AC_CHECK_FUNCS(gethostid sethostid)
2275         AC_CHECK_FUNCS(sethostname)
2276         AC_CHECK_FUNCS(statfs)
2277         AC_CHECK_FUNCS(fstatfs)
2278         AC_CHECK_FUNCS(statvfs)
2279         AC_CHECK_FUNCS(fstatvfs)
2280         AC_CHECK_FUNCS(stime)
2281         AC_CHECK_FUNCS(strerror_r)
2282         AC_CHECK_FUNCS(ttyname_r)
2283         AC_CHECK_FUNCS(psignal)
2284         AC_CHECK_FUNCS(getlogin_r)
2285         AC_CHECK_FUNCS(lockf)
2286         AC_CHECK_FUNCS(swab)
2287         AC_CHECK_FUNCS(setusershell endusershell)
2288         AC_CHECK_FUNCS(futimens utimensat)
2289         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2290         AC_CHECK_FUNCS(readv writev preadv pwritev)
2291         AC_CHECK_FUNCS(setpgid)
2292         AC_CHECK_FUNCS(system)
2293         AC_CHECK_FUNCS(fork execv execve)
2294         AC_CHECK_FUNCS(accept4)
2295         AC_CHECK_SIZEOF(size_t)
2296         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2297                 [#include <sys/types.h>
2298                  #include <sys/stat.h>
2299                  #include <unistd.h>])
2300         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2301                 [#include <sys/types.h>
2302                  #include <sys/stat.h>
2303                  #include <unistd.h>])
2304         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2305                 [#include <sys/time.h>])
2306         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2307                 [#include <sys/socket.h>])
2308         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2309                 [#include <unistd.h>
2310                  #include <fcntl.h>])
2311         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2312                 [#include <sys/uio.h>])
2313         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2314                 [#include <sys/socket.h>])
2315         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2316                 [#include <sys/poll.h>])
2317         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2318                 [#include <sys/socket.h>])
2319         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2320                 [#include <sys/socket.h>])
2321         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2322                 [#include <netinet/in.h>])
2323         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2324                 [#include <netinet/in.h>])
2325         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2326                 [#include <sys/un.h>])
2327         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2328                 [#include <sys/types.h>
2329                  #include <sys/stat.h>
2330                  #include <unistd.h>])
2331         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2332                 [#include <time.h>])
2333         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2334                 [#include <sys/time.h>
2335                  #include <sys/types.h>
2336                  #include <utime.h>])
2337         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2338                 [#include <sys/time.h>])
2339         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2340                 [#include <sys/types.h>
2341                  #include <utime.h>])
2342         AC_CHECK_MEMBERS(
2343                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2344                 [#include <sys/types.h>
2345                  #include <dirent.h>])
2346         AC_CHECK_MEMBERS(
2347                 [struct passwd.pw_gecos],,, 
2348                 [#include <sys/types.h>
2349                  #include <pwd.h>])
2350         AC_CHECK_MEMBERS(
2351                 [struct statfs.f_flags],,, 
2352                 [#include <sys/types.h>
2353                  #include <sys/vfs.h>])
2354         AC_CHECK_MEMBERS(
2355                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2356                 [#include <sys/types.h>
2357                  #include <sys/stat.h>
2358                  #include <unistd.h>])
2359
2360         dnl Favour xattr through glibc, but use libattr if we have to
2361         AC_CHECK_FUNC(lsetxattr, ,
2362                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2363         )
2364         AC_SUBST(XATTR_LIB)
2365
2366         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2367         AC_CHECK_MEMBERS(
2368                 [struct kinfo_proc.kp_proc],,, 
2369                 [#include <sys/types.h>
2370                  #include <sys/param.h>
2371                  #include <sys/sysctl.h>
2372                  #include <sys/proc.h>
2373                  ])
2374
2375         dnl *********************************
2376         dnl *** Checks for Windows compilation ***
2377         dnl *********************************
2378         AC_CHECK_HEADERS(sys/time.h)
2379         AC_CHECK_HEADERS(sys/param.h)
2380         AC_CHECK_HEADERS(dirent.h)
2381
2382         dnl ******************************************
2383         dnl *** Checks for OSX and iOS compilation ***
2384         dnl ******************************************
2385         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2386
2387         dnl *********************************
2388         dnl *** Check for Console 2.0 I/O ***
2389         dnl *********************************
2390         AC_CHECK_HEADERS([curses.h])
2391         AC_CHECK_HEADERS([term.h], [], [],
2392         [#if HAVE_CURSES_H
2393          #include <curses.h>
2394          #endif
2395         ])
2396         AC_CHECK_HEADERS([termios.h])
2397 else
2398         dnl *********************************
2399         dnl *** Checks for Windows compilation ***
2400         dnl *********************************
2401         AC_CHECK_HEADERS(winternl.h)
2402
2403         jdk_headers_found=no
2404         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2405         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2406         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2407         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2408         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2409         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2410         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2411
2412         dnl *********************************
2413         dnl *** Check for struct ip_mreqn ***
2414         dnl *********************************
2415         AC_MSG_CHECKING(for struct ip_mreqn)
2416         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2417                 struct ip_mreqn mreq;
2418                 mreq.imr_address.s_addr = 0;
2419         ], [
2420                 # Yes, we have it...
2421                 AC_MSG_RESULT(yes)
2422                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2423         ], [
2424                 # We'll just have to try and use struct ip_mreq
2425                 AC_MSG_RESULT(no)
2426                 AC_MSG_CHECKING(for struct ip_mreq)
2427                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2428                         struct ip_mreq mreq;
2429                         mreq.imr_interface.s_addr = 0;
2430                 ], [
2431                         # Yes, we have it...
2432                         AC_MSG_RESULT(yes)
2433                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2434                 ], [
2435                         # No multicast support
2436                         AC_MSG_RESULT(no)
2437                 ])
2438         ])
2439
2440         dnl **********************************
2441         dnl *** Check for getaddrinfo ***
2442         dnl **********************************
2443         AC_MSG_CHECKING(for getaddrinfo)
2444                 AC_TRY_LINK([
2445                 #include <stdio.h>
2446                 #include <winsock2.h>
2447                 #include <ws2tcpip.h>
2448         ], [
2449                 getaddrinfo(NULL,NULL,NULL,NULL);
2450         ], [
2451                 # Yes, we have it...
2452                 AC_MSG_RESULT(yes)
2453                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2454         ], [
2455                 AC_MSG_RESULT(no)
2456         ])
2457
2458         dnl **********************************
2459         dnl *** Check for gethostbyname ***
2460         dnl **********************************
2461         AC_MSG_CHECKING(for gethostbyname)
2462                 AC_TRY_LINK([
2463                 #include <stdio.h>
2464                 #include <winsock2.h>
2465                 #include <ws2tcpip.h>
2466         ], [
2467                 gethostbyname(NULL);
2468         ], [
2469                 # Yes, we have it...
2470                 AC_MSG_RESULT(yes)
2471                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2472         ], [
2473                 AC_MSG_RESULT(no)
2474         ])
2475
2476         dnl **********************************
2477         dnl *** Check for getprotobyname ***
2478         dnl **********************************
2479         AC_MSG_CHECKING(for getprotobyname)
2480                 AC_TRY_LINK([
2481                 #include <stdio.h>
2482                 #include <winsock2.h>
2483                 #include <ws2tcpip.h>
2484         ], [
2485                 getprotobyname(NULL);
2486         ], [
2487                 # Yes, we have it...
2488                 AC_MSG_RESULT(yes)
2489                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2490         ], [
2491                 AC_MSG_RESULT(no)
2492         ])
2493
2494         dnl **********************************
2495         dnl *** Check for getnameinfo ***
2496         dnl **********************************
2497         AC_MSG_CHECKING(for getnameinfo)
2498                 AC_TRY_LINK([
2499                 #include <stdio.h>
2500                 #include <winsock2.h>
2501                 #include <ws2tcpip.h>
2502         ], [
2503                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2504         ], [
2505                 # Yes, we have it...
2506                 AC_MSG_RESULT(yes)
2507                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2508         ], [
2509                 AC_MSG_RESULT(no)
2510         ])
2511
2512         dnl **********************************
2513         dnl *** Check for inet_ntop ***
2514         dnl **********************************
2515         AC_MSG_CHECKING(for inet_ntop)
2516                 AC_TRY_LINK([
2517                 #include <stdio.h>
2518                 #include <winsock2.h>
2519                 #include <ws2tcpip.h>
2520         ], [
2521                 inet_ntop (0, NULL, NULL, 0);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for inet_pton ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for inet_pton)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 #ifndef inet_pton
2540                 (void) inet_pton;
2541                 #endif
2542                 inet_pton (0, NULL, NULL);
2543         ], [
2544                 # Yes, we have it...
2545                 AC_MSG_RESULT(yes)
2546                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2547         ], [
2548                 AC_MSG_RESULT(no)
2549         ])
2550
2551         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2552         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2553         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2554         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2555         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2556         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2557         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2558 fi
2559
2560 dnl socklen_t check
2561 AC_MSG_CHECKING(for socklen_t)
2562 AC_TRY_COMPILE([
2563 #include <sys/types.h>
2564 #include <sys/socket.h>
2565 ],[
2566   socklen_t foo;
2567 ],[
2568 ac_cv_c_socklen_t=yes
2569         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2570         AC_MSG_RESULT(yes)
2571 ],[
2572         AC_MSG_RESULT(no)
2573 ])
2574
2575 AC_MSG_CHECKING(for array element initializer support)
2576 AC_TRY_COMPILE([#include <sys/socket.h>], [
2577         const int array[] = {[1] = 2,};
2578 ], [
2579         # Yes, we have it...
2580         AC_MSG_RESULT(yes)
2581         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2582 ], [
2583         # We'll have to use signals
2584         AC_MSG_RESULT(no)
2585 ])
2586
2587 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2588         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2589         AC_TRY_LINK([#include <math.h>], 
2590         [ static void *p = &trunc; ],
2591         [
2592                 AC_DEFINE(HAVE_TRUNC) 
2593                 AC_MSG_RESULT(yes)
2594                 ac_cv_trunc=yes
2595         ],
2596         AC_MSG_RESULT(no)))
2597
2598 if test "x$ac_cv_truncl" != "xyes"; then
2599    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2600 fi
2601
2602 AC_CHECK_FUNCS(execvp)
2603
2604 dnl ****************************
2605 dnl *** Look for /dev/random ***
2606 dnl ****************************
2607
2608 AC_MSG_CHECKING([if usage of random device is requested])
2609 AC_ARG_ENABLE(dev-random,
2610 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2611 try_dev_random=$enableval, try_dev_random=yes)
2612
2613 AC_MSG_RESULT($try_dev_random)
2614
2615 case "{$build}" in
2616     *-openbsd*)
2617     NAME_DEV_RANDOM="/dev/srandom"
2618     ;;
2619
2620 dnl Win32 does not have /dev/random, they have their own method...
2621
2622     *-mingw*|*-*-cygwin*)
2623     ac_cv_have_dev_random=no
2624     ;;
2625
2626 dnl Everywhere else, it's /dev/random
2627
2628     *)
2629     NAME_DEV_RANDOM="/dev/random"
2630     ;;
2631 esac
2632
2633 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2634
2635 dnl Now check if the device actually exists
2636
2637 if test "x$try_dev_random" = "xyes"; then
2638     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2639     [if test -r "$NAME_DEV_RANDOM" ; then
2640         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2641     if test "x$ac_cv_have_dev_random" = "xyes"; then
2642         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2643     fi
2644 else
2645     AC_MSG_CHECKING(for random device)
2646     ac_cv_have_dev_random=no
2647     AC_MSG_RESULT(has been disabled)
2648 fi
2649
2650 if test "x$host_win32" = "xyes"; then
2651     AC_DEFINE(HAVE_CRYPT_RNG)
2652 fi
2653
2654 if test "x$ac_cv_have_dev_random" = "xno" \
2655     && test "x$host_win32" = "xno"; then
2656     AC_MSG_WARN([[
2657 ***
2658 *** A system-provided entropy source was not found on this system.
2659 *** Because of this, the System.Security.Cryptography random number generator
2660 *** will throw a NotImplemented exception.
2661 ***
2662 *** If you are seeing this message, and you know your system DOES have an
2663 *** entropy collection in place, please contact <crichton@gimp.org> and
2664 *** provide information about the system and how to access the random device.
2665 ***
2666 *** Otherwise you can install either egd or prngd and set the environment
2667 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2668 ***]])
2669 fi
2670
2671 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2672
2673 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2674 if test "x$test_perf_events" = "xyes"; then
2675         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2676         AC_SUBST(ENABLE_PERF_EVENTS)
2677 fi
2678
2679 AC_MSG_CHECKING([if big-arrays are to be enabled])
2680 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2681 if test "x$enable_big_arrays" = "xyes" ; then
2682     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2683         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2684     else
2685         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2686     fi
2687 fi
2688 AC_MSG_RESULT($enable_big_arrays)
2689
2690 dnl **************
2691 dnl *** DTRACE ***
2692 dnl **************
2693
2694 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2695
2696 if test "x$enable_dtrace" = "xyes"; then
2697    if test "x$has_dtrace" = "xno"; then
2698           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2699    fi
2700    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2701    if test "x$DTRACE" = "xno"; then
2702           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2703           enable_dtrace=no
2704    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2705           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2706           enable_dtrace=no
2707    fi
2708 fi
2709
2710 dtrace_g=no
2711 if test "x$enable_dtrace" = "xyes"; then
2712         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2713         DTRACEFLAGS=
2714         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2715                 case "$host" in
2716                         powerpc-*-darwin*)
2717                         DTRACEFLAGS="-arch ppc64"
2718                         ;;
2719                         i*86-*-darwin*)
2720                         DTRACEFLAGS="-arch x86_64"
2721                         ;;
2722                         *)
2723                         DTRACEFLAGS=-64
2724                         ;;
2725                 esac
2726         else
2727                 case "$host" in
2728                         powerpc-*-darwin*)
2729                         DTRACEFLAGS="-arch ppc"
2730                         ;;
2731                         i*86-*-darwin*)
2732                         DTRACEFLAGS="-arch i386"
2733                         ;;
2734                         *)
2735                         DTRACEFLAGS=-32
2736                         ;;
2737                 esac
2738         fi
2739         AC_SUBST(DTRACEFLAGS)
2740         case "$host" in
2741                 *-*-solaris*)
2742                 dtrace_g=yes
2743                 ;;
2744         esac
2745         AC_CHECK_HEADERS([sys/sdt.h])
2746 fi
2747 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2748 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2749
2750 dnl **************
2751 dnl ***  NaCl  ***
2752 dnl **************
2753
2754 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2755 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2756
2757 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2758
2759 dnl
2760 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2761 dnl
2762 nacl_self_host=""
2763 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2764    nacl_self_host="nacl_self_host"
2765 fi
2766 AC_SUBST(nacl_self_host)
2767
2768 if test "x$enable_nacl_codegen" = "xyes"; then
2769    MONO_NACL_ALIGN_MASK_OFF=1
2770    AC_DEFINE(TARGET_NACL, 1, [...])
2771    AC_DEFINE(__native_client_codegen__, 1, [...])
2772 fi
2773 if test "x$enable_nacl_gc" = "xyes"; then
2774    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2775       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2776    else
2777       # Not yet implemented
2778       INSTRUMENT_CFLAG=""
2779    fi
2780    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2781 fi
2782 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2783
2784 dnl **************************
2785 dnl *** AOT cross offsets  ***
2786 dnl **************************
2787
2788 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2789     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2790
2791 dnl **************
2792 dnl ***  LLVM  ***
2793 dnl **************
2794
2795 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2796 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2797 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2798 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2799
2800 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2801
2802 if test "x$enable_llvm" = "xdefault"; then
2803    enable_llvm=$enable_llvm_default
2804 fi
2805
2806 if test "x$enable_llvm" = "xyes"; then
2807    if test "x$with_llvm" != "x"; then
2808           LLVM_CONFIG=$with_llvm/bin/llvm-config
2809           if test x$host_win32 = xyes; then
2810                 LLVM_CONFIG=$LLVM_CONFIG.exe
2811           fi
2812           if test ! -x $LLVM_CONFIG; then
2813                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2814       fi
2815    else
2816       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2817       if test "x$LLVM_CONFIG" = "xno"; then
2818              AC_MSG_ERROR([llvm-config not found.])
2819       fi
2820    fi
2821
2822    llvm_codegen="x86codegen"
2823    case "$target" in
2824    arm*)
2825                 llvm_codegen="armcodegen"
2826                 ;;
2827    esac
2828
2829    if test "x$host_win32" = "xno"; then
2830
2831    # Should be something like '2.6' or '2.7svn'
2832    llvm_version=`$LLVM_CONFIG --version`
2833    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2834    AC_MSG_CHECKING(LLVM version)
2835    AC_MSG_RESULT($llvm_version $llvm_api_version)
2836    if echo $llvm_version | grep -q 'mono'; then
2837           if test "x$enable_llvm_version_check" = "xyes"; then
2838                  if test "$llvm_version" != "$expected_llvm_version"; then
2839                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2840                  fi
2841           fi
2842    else
2843           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.])
2844    fi
2845
2846    # The output of --cflags seems to include optimizations flags too
2847    if test $llvm_api_version -gt 100; then
2848           # The --cflags argument includes all kinds of warnings -pendantic etc.
2849           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2850           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2851    else
2852           LLVM_CFLAGS=`$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'`
2853       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2854    fi
2855    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2856    # from LLVM classes.
2857    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2858    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2859    # This might include empty lines
2860    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2861    llvm_jit_supported=yes
2862    llvm_jit_libs="jit mcjit $llvm_codegen"
2863    if test $llvm_api_version -gt 100; then
2864           # Based on llvm 3.9, only aot is currently supported
2865       llvm_jit_libs="orcjit $llvm_codegen"
2866    elif test "x$host" != "x$target"; then
2867       # No need for jit libs
2868           llvm_jit_supported=no
2869       llvm_jit_libs=""
2870    fi
2871    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2872    if test "x$LLVM_LIBS" = "x"; then
2873           echo "$LLVM_CONFIG --libs failed."
2874           exit 1
2875    fi
2876    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2877    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2878    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2879       LLVM_LIBS="$LLVM_LIBS -lc++"
2880    else
2881       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2882    fi
2883
2884    expected_llvm_version="3.4svn-mono-mono/e656cac"
2885
2886    else
2887        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2888        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2889        LLVM_LDFLAGS="-L$with_llvm/lib"
2890        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2891        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2892          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2893          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2894          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2895          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2896          -lLLVMAnalysis -lLLVMTarget \
2897          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2898          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2899          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2900          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2901          -lLLVMSupport -lstdc++"
2902        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2903
2904        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2905        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2906    fi  
2907
2908    if test "x$llvm_api_version" = "x"; then
2909           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2910           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2911    else
2912           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2913           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2914    fi   
2915
2916    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2917
2918    AC_SUBST(LLVM_CFLAGS)
2919    AC_SUBST(LLVM_CXXFLAGS)
2920    AC_SUBST(LLVM_LIBS)
2921    AC_SUBST(LLVM_LDFLAGS)
2922    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2923 fi
2924
2925 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2926 if test "x$enable_loadedllvm" = "xyes"; then
2927    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2928 fi
2929 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2930
2931 if test "x$enable_llvm" = "xyes"; then
2932    enable_llvm_runtime=yes
2933 fi
2934 if test "x$enable_llvm_runtime" = "xyes"; then
2935    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2936 fi
2937 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2938
2939 TARGET="unknown"
2940 ACCESS_UNALIGNED="yes"
2941
2942 LIBC="libc.so.6"
2943 INTL="libc.so.6"
2944 SQLITE="libsqlite.so.0"
2945 SQLITE3="libsqlite3.so.0"
2946 X11="libX11.so"
2947 GDKX11="libgdk-x11-2.0.so.0"
2948 GTKX11="libgtk-x11-2.0.so.0"
2949 XINERAMA="libXinerama.so.1"
2950
2951 sizeof_register="SIZEOF_VOID_P"
2952
2953 jit_wanted=true
2954 boehm_supported=true
2955 case "$host" in
2956         mips*)
2957                 TARGET=MIPS;
2958                 arch_target=mips;
2959                 with_tls=pthread;
2960                 ACCESS_UNALIGNED="no"
2961
2962                 AC_MSG_CHECKING(for mips n32)
2963                 AC_TRY_COMPILE([],[
2964                 #if _MIPS_SIM != _ABIN32
2965                 #error Not mips n32
2966                 #endif
2967                 return 0;
2968                 ],[
2969                 AC_MSG_RESULT(yes)
2970                 sizeof_register=8
2971                 ],[
2972                 AC_MSG_RESULT(no)
2973                 ])
2974                 ;;
2975         i*86-*-*)
2976                 TARGET=X86;
2977                 arch_target=x86;
2978                 case $host_os in
2979                   solaris*)
2980                         LIBC="libc.so"
2981                         INTL="libintl.so"
2982                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2983                                 TARGET=AMD64
2984                                 arch_target=amd64
2985                         fi
2986
2987                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2988                         # int astruct __attribute__ ((visibility ("hidden")));
2989                         # void foo ()
2990                         # {
2991                         #       void *p = &astruct;
2992                         # }
2993                         # gcc -fPIC --shared -o libfoo.so foo.c
2994                         # yields:
2995                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2996                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2997                         have_visibility_hidden=no
2998                         ;;
2999                   mingw*|cygwin*)
3000                         have_visibility_hidden=no                 
3001                         ;;
3002                   haiku*)
3003                         LIBC=libroot.so
3004                         ;;
3005                   linux*)
3006                         AOT_SUPPORTED="yes"
3007                         ;;
3008                   darwin*)
3009                         AOT_SUPPORTED="yes"
3010                         ;;
3011                   openbsd*|freebsd*|kfreebsd-gnu*)
3012                         ;;
3013                 esac
3014                 ;;
3015         x86_64-*-* | amd64-*-*)
3016                 TARGET=AMD64;
3017                 arch_target=amd64;
3018                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3019                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3020                         sizeof_register=8
3021                 fi
3022                 case $host_os in
3023                   linux*)
3024                         AOT_SUPPORTED="yes"
3025                         ;;
3026                   darwin*)
3027                         AOT_SUPPORTED="yes"
3028                         ;;
3029                   openbsd*|freebsd*|kfreebsd-gnu*)
3030                         ;;
3031                   mingw*)
3032                         ;;
3033                 esac
3034                 case "$host" in
3035                         x86_64-*-nacl*)
3036                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3037                                 sizeof_register=8
3038                                 ;;
3039                 esac
3040                 ;;
3041         ia64-*-*)
3042                 TARGET=IA64
3043                 arch_target=ia64
3044                 ACCESS_UNALIGNED="no"
3045                 LIBC="libc.so.6.1"
3046                 INTL="libc.so.6.1"
3047                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3048                 libmono_ldflags="-lunwind"
3049                 ;;
3050         sparc*-*-*)
3051                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3052                    TARGET=SPARC64
3053                 else
3054                         TARGET=SPARC
3055                 fi
3056                 arch_target=sparc;
3057                 ACCESS_UNALIGNED="no"
3058                 case $host_os in
3059                   linux*) ;;
3060                   *)
3061                         LIBC="libc.so"
3062                         INTL="libintl.so"
3063                 esac
3064                 if test x"$GCC" = xyes; then
3065                         # We don't support v8 cpus
3066                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3067                 fi
3068                 if test x"$AR" = xfalse; then
3069                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3070                 fi
3071                 ;;
3072         *-mingw*|*-*-cygwin*)
3073                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3074                 have_visibility_hidden=no
3075                 INTL="intl"
3076                 ;;
3077         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3078         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3079                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3080                         TARGET=POWERPC64;
3081                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3082                         CFLAGS="$CFLAGS -mminimal-toc"
3083                 else
3084                         TARGET=POWERPC;
3085                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3086                 fi
3087                 arch_target=ppc;
3088                 case $host_os in
3089                   linux*|darwin*)
3090                         ;;
3091                 esac
3092                 ;;
3093         armv7k-*-darwin*)
3094                 TARGET=ARM;
3095                 TARGET_SYS=WATCHOS
3096                 arch_target=arm;
3097                 arm_fpu=VFP_HARD
3098                 ACCESS_UNALIGNED="no"
3099                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3100                 ;;
3101
3102         arm*-darwin*)
3103                 TARGET=ARM;
3104                 arch_target=arm;
3105                 ACCESS_UNALIGNED="no"
3106                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3107                 ;;
3108         arm*-linux*)
3109                 TARGET=ARM;
3110                 arch_target=arm;
3111                 ACCESS_UNALIGNED="no"
3112                 AOT_SUPPORTED="yes"
3113                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3114                 ;;
3115         arm*-netbsd*-eabi*)
3116                 TARGET=ARM;
3117                 arch_target=arm;
3118                 ACCESS_UNALIGNED="no"
3119                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3120                 ;;
3121 # TODO: make proper support for NaCl host.
3122 #        arm*-*nacl)
3123 #               TARGET=ARM;
3124 #               arch_target=arm;
3125 #               ACCESS_UNALIGNED="no"
3126 #               AOT_SUPPORTED="no"
3127 #               ;;
3128         aarch64-*)
3129                 # https://lkml.org/lkml/2012/7/15/133
3130                 TARGET=ARM64
3131                 arch_target=arm64
3132                 boehm_supported=false
3133                 AOT_SUPPORTED="yes"
3134                 ;;
3135         s390x-*-linux*)
3136                 TARGET=S390X;
3137                 arch_target=s390x;
3138                 ACCESS_UNALIGNED="yes"
3139                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3140                 ;;
3141 esac
3142
3143 HOST=$TARGET
3144
3145 if test "x$host" != "x$target"; then
3146    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3147    enable_mcs_build=no
3148    case "$target" in
3149    arm*-darwin*)
3150                 TARGET=ARM;
3151                 arch_target=arm;
3152                 ACCESS_UNALIGNED="no"
3153                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3154                 # Can't use tls, since it depends on the runtime detection of tls offsets
3155                 # in mono-compiler.h
3156                 with_tls=pthread
3157                 case "$target" in
3158                 armv7k-*)
3159                         arm_fpu=VFP_HARD
3160                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3161                         ;;
3162                 esac            
3163                 ;;
3164    powerpc64-ps3-linux-gnu)
3165                 TARGET=POWERPC64
3166                 arch_target=powerpc64
3167                 AC_DEFINE(TARGET_PS3, 1, [...])
3168                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3169                 # uses this define
3170                 AC_DEFINE(__mono_ppc64__, 1, [...])
3171                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3172                 sizeof_register=8
3173                 target_byte_order=G_BIG_ENDIAN
3174                 ;;
3175    powerpc64-xbox360-linux-gnu)
3176                 TARGET=POWERPC64
3177                 arch_target=powerpc64
3178                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3179                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3180                 # uses this define
3181                 sizeof_register=8
3182                 target_byte_order=G_BIG_ENDIAN
3183                 ;;
3184    x86_64-*-nacl)
3185                 TARGET=AMD64
3186                 arch_target=amd64
3187                 AC_DEFINE(TARGET_AMD64, 1, [...])
3188                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3189                 sizeof_register=8
3190                 ;;
3191 # TODO: make proper support for NaCl target.
3192 #   arm*-*nacl)
3193 #               TARGET=ARM
3194 #               arch_target=arm
3195 #               AC_DEFINE(TARGET_ARM, 1, [...])
3196 #               ACCESS_UNALIGNED="no"
3197 #               sizeof_register=4
3198 #               CPPFLAGS="$CPPFLAGS \
3199 #                    -D__ARM_EABI__ \
3200 #                    -D__arm__ \
3201 #                    -D__portable_native_client__ \
3202 #                    -Dtimezone=_timezone \
3203 #                    -DDISABLE_SOCKETS \
3204 #                    -DDISABLE_ATTACH \
3205 #                    -DUSE_NEWLIB"
3206                 # Can't use tls, since it depends on the runtime detection of tls offsets
3207                 # in mono-compiler.h
3208 #               with_tls=pthread
3209 #               ;;
3210    i686-*-nacl)
3211                 TARGET=X86
3212                 arch_target=x86
3213                 AC_DEFINE(TARGET_X86, 1, [...])
3214                 sizeof_register=4
3215                 ;;
3216    arm*-linux-*)
3217                 TARGET=ARM;
3218                 arch_target=arm;
3219                 AC_DEFINE(TARGET_ARM, 1, [...])
3220                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3221                 ACCESS_UNALIGNED="no"
3222                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3223                 # Can't use tls, since it depends on the runtime detection of tls offsets
3224                 # in mono-compiler.h
3225                 with_tls=pthread
3226                 target_mach=no
3227                 case "$target" in
3228                 armv7l-unknown-linux-gnueabi*)
3229                         # TEGRA
3230                         CPPFLAGS="$CPPFLAGS"
3231                         ;;
3232                 armv5-*-linux-androideabi*)
3233                         CPPFLAGS="$CPPFLAGS"
3234                         ;;
3235                 esac
3236                 ;;
3237    arm*-netbsd*-eabi*)
3238                 TARGET=ARM;
3239                 arch_target=arm;
3240                 AC_DEFINE(TARGET_ARM, 1, [...])
3241                 ACCESS_UNALIGNED="no"
3242                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3243                 # Can't use tls, since it depends on the runtime detection of tls offsets
3244                 # in mono-compiler.h
3245                 with_tls=pthread
3246                 target_mach=no
3247                 ;;
3248    i686*-linux-*)
3249                 TARGET=X86;
3250                 arch_target=x86;
3251                 AC_DEFINE(TARGET_X86, 1, [...])
3252                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3253                 CPPFLAGS="$CPPFLAGS"
3254                 # Can't use tls, since it depends on the runtime detection of tls offsets
3255                 # in mono-compiler.h            
3256                 with_tls=pthread
3257                 target_mach=no
3258                 ;;
3259    x86_64*-linux-*)
3260                 TARGET=AMD64;
3261                 arch_target=amd64;
3262                 AC_DEFINE(TARGET_AMD64, 1, [...])
3263                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3264                 CPPFLAGS="$CPPFLAGS"
3265                 # Can't use tls, since it depends on the runtime detection of tls offsets
3266                 # in mono-compiler.h
3267                 with_tls=pthread
3268                 target_mach=no
3269                 ;;
3270    x86_64-ps4-freebsd)
3271                 TARGET=AMD64;
3272                 arch_target=amd64;
3273                 AC_DEFINE(TARGET_AMD64, 1, [...])
3274                 AC_DEFINE(TARGET_PS4, 1, [...])
3275                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3276                 CPPFLAGS="$CPPFLAGS"
3277                 # Can't use tls, since it depends on the runtime detection of tls offsets
3278                 # in mono-compiler.h
3279                 with_tls=pthread
3280                 target_mach=no
3281                 target_win32=no
3282                 ;;
3283    aarch64*-linux-*)
3284                 TARGET=ARM64;
3285                 arch_target=arm64;
3286                 AC_DEFINE(TARGET_ARM64, 1, [...])
3287                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3288                 CPPFLAGS="$CPPFLAGS"
3289                 # Can't use tls, since it depends on the runtime detection of tls offsets
3290                 # in mono-compiler.h
3291                 with_tls=pthread
3292                 target_mach=no
3293                 ;;
3294         aarch64-*)
3295                 TARGET=ARM64
3296                 ;;
3297         *)
3298                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3299         esac
3300 fi
3301
3302 case "$TARGET" in
3303 X86)
3304         AC_DEFINE(TARGET_X86, 1, [...])
3305         ;;
3306 AMD64)
3307         AC_DEFINE(TARGET_AMD64, 1, [...])
3308         ;;
3309 ARM)
3310         AC_DEFINE(TARGET_ARM, 1, [...])
3311         ;;
3312 ARM64)
3313         AC_DEFINE(TARGET_ARM64, 1, [...])
3314         ;;
3315 POWERPC)
3316         AC_DEFINE(TARGET_POWERPC, 1, [...])
3317         ;;
3318 POWERPC64)
3319         AC_DEFINE(TARGET_POWERPC, 1, [...])
3320         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3321         ;;
3322 S390X)
3323         AC_DEFINE(TARGET_S390X, 1, [...])
3324         ;;
3325 MIPS)
3326         AC_DEFINE(TARGET_MIPS, 1, [...])
3327         ;;
3328 IA64)
3329         AC_DEFINE(TARGET_IA64, 1, [...])
3330         ;;
3331 SPARC)
3332         AC_DEFINE(TARGET_SPARC, 1, [...])
3333         ;;
3334 SPARC64)
3335         AC_DEFINE(TARGET_SPARC64, 1, [...])
3336         ;;
3337 esac
3338
3339 case "$HOST" in
3340 X86)
3341         AC_DEFINE(HOST_X86, 1, [...])
3342         ;;
3343 AMD64)
3344         AC_DEFINE(HOST_AMD64, 1, [...])
3345         ;;
3346 ARM)
3347         AC_DEFINE(HOST_ARM, 1, [...])
3348         ;;
3349 ARM64)
3350         AC_DEFINE(HOST_ARM64, 1, [...])
3351         ;;
3352 POWERPC)
3353         AC_DEFINE(HOST_POWERPC, 1, [...])
3354         ;;
3355 POWERPC64)
3356         AC_DEFINE(HOST_POWERPC, 1, [...])
3357         AC_DEFINE(HOST_POWERPC64, 1, [...])
3358         ;;
3359 S390X)
3360         AC_DEFINE(HOST_S390X, 1, [...])
3361         ;;
3362 MIPS)
3363         AC_DEFINE(HOST_MIPS, 1, [...])
3364         ;;
3365 IA64)
3366         AC_DEFINE(HOST_IA64, 1, [...])
3367         ;;
3368 SPARC)
3369         AC_DEFINE(HOST_SPARC, 1, [...])
3370         ;;
3371 SPARC64)
3372         AC_DEFINE(HOST_SPARC64, 1, [...])
3373         ;;
3374 esac
3375
3376
3377
3378 dnl *************
3379 dnl *** VTUNE ***
3380 dnl *************
3381
3382 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3383 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3384
3385 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3386
3387 if test "x$enable_vtune" = "xyes"; then
3388         if test "x$with_vtune" = "x"; then
3389                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3390         else
3391                 VTUNE_PATH=$with_vtune
3392         fi
3393         VTUNE_INCLUDE=$VTUNE_PATH/include
3394         case "$TARGET" in
3395         X86)
3396                 VTUNE_LIB=$VTUNE_PATH/lib32
3397                 ;;
3398         AMD64)
3399                 VTUNE_LIB=$VTUNE_PATH/lib64
3400                 ;;
3401         *)
3402                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3403                 ;;
3404         esac
3405         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3406                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3407         fi
3408         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3409                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3410         fi
3411
3412         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3413         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3414
3415         AC_SUBST(VTUNE_LIBS)
3416         AC_SUBST(VTUNE_CFLAGS)
3417 fi
3418 dnl Use GCC atomic ops if they work on the target.
3419 if test x$GCC = "xyes"; then
3420         case $TARGET in
3421         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3422                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3423                 ;;
3424         esac
3425 fi
3426
3427 if test "x$target_mach" = "xyes"; then
3428
3429    if test "x$TARGET_SYS" = "xWATCHOS"; then
3430           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3431           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3432           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3433    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3434           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3435           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3436           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3437    else
3438        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3439        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3440        #error fail this for ios
3441        #endif
3442        return 0;
3443        ], [
3444                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3445           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3446           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3447        ], [
3448           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3449           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3450           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3451        ])
3452         fi
3453    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3454 fi
3455
3456 if test "x$sizeof_register" = "x4"; then
3457    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3458 elif test "x$sizeof_register" = "x8"; then
3459    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3460 else
3461    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3462 fi
3463
3464 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3465    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3466 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3467    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3468 else
3469    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3470 fi
3471
3472 if test "x$have_visibility_hidden" = "xyes"; then
3473    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3474 fi
3475
3476 if test "x$have_deprecated" = "xyes"; then
3477    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3478 fi
3479
3480 dnl 
3481 dnl Simple Generational checks (sgen)
3482 dnl
3483 SGEN_DEFINES=
3484 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3485 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3486 if test x$buildsgen = xyes; then
3487    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3488    SGEN_DEFINES="-DHAVE_SGEN_GC"
3489
3490         conc_gc_msg=""
3491    if test x$with_sgen_default_concurrent != xno; then
3492        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3493            conc_gc_msg=" (concurrent by default)"
3494    fi
3495
3496    if test "x$gc_msg" = "x"; then
3497       gc_msg="sgen$conc_gc_msg"
3498    else
3499       gc_msg="sgen$conc_gc_msg and $gc_msg"
3500    fi
3501 fi
3502 AC_SUBST(SGEN_DEFINES)
3503 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3504
3505 jit_status="Building and using the JIT"
3506
3507 libsuffix=".so"
3508
3509 case "$host" in
3510      *-*-darwin*)
3511         libsuffix=".dylib"
3512         LIBC="libc.dylib"
3513         INTL="libintl.dylib"
3514         SQLITE="libsqlite.0.dylib"
3515         SQLITE3="libsqlite3.0.dylib"
3516         X11="libX11.dylib"
3517         GDKX11="libgdk-x11-2.0.dylib"
3518         GTKX11="libgtk-x11-2.0.dylib"
3519         ;;
3520      *-*-*netbsd*)
3521         LIBC="libc.so"
3522         INTL="libintl.so"
3523         SQLITE="libsqlite.so"
3524         SQLITE3="libsqlite3.so"
3525         ;;
3526      *-*-kfreebsd*-gnu)
3527         LIBC="libc.so.0.1"
3528         INTL="libc.so.0.1"
3529         X11="libX11.so.6"
3530         ;;
3531     *-*-*freebsd*)
3532         LIBC="libc.so.7"
3533         INTL="libintl.so"
3534         SQLITE="libsqlite.so"
3535         SQLITE3="libsqlite3.so"
3536         ;;
3537     *-*-*openbsd*)
3538         LIBC="libc.so"
3539         INTL="libintl.so"
3540         SQLITE="libsqlite.so"
3541         SQLITE3="libsqlite3.so"
3542         ;;
3543     *-*-*linux*)
3544         AC_PATH_X
3545         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3546         AC_MSG_CHECKING(for the soname of libX11.so)
3547         for i in $x_libraries $dlsearch_path; do
3548                 for r in 4 5 6; do
3549                         if test -f $i/libX11.so.$r; then
3550                                 X11=libX11.so.$r
3551                                 AC_MSG_RESULT($X11)
3552                         fi
3553                 done
3554         done
3555         
3556         if test "x$X11" = "xlibX11.so"; then
3557                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3558                 X11=libX11.so.6
3559         fi
3560         ;;
3561 esac
3562
3563
3564 AC_SUBST(libsuffix)
3565
3566 AC_ARG_WITH([libgdiplus],
3567         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3568         [], [with_libgdiplus=installed])
3569
3570 # default install location
3571 libgdiplus_install_loc=libgdiplus${libsuffix}
3572 case "$host" in
3573     *-*-*linux*)
3574     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3575     ;;
3576 esac
3577
3578 case $with_libgdiplus in
3579     no|installed)
3580     libgdiplus_loc=
3581     ;;
3582
3583     yes|sibling)
3584     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3585     ;;
3586
3587     /*) # absolute path, assume it is an install location
3588     libgdiplus_loc=$with_libgdiplus
3589     libgdiplus_install_loc=$with_libgdiplus
3590     ;;
3591
3592     *)
3593     libgdiplus_loc=`pwd`/$with_libgdiplus
3594     ;;
3595 esac
3596 AC_SUBST([libgdiplus_loc])
3597 AC_SUBST([libgdiplus_install_loc])
3598
3599 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3600 if test "x$icall_symbol_map" = "xyes"; then
3601    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3602 fi
3603
3604 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3605 if test "x$icall_export" = "xyes"; then
3606    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3607 fi
3608
3609 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3610 if test "x$icall_tables" = "xno"; then
3611    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3612 fi
3613
3614 if test "x$with_tls" = "x__thread"; then
3615         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3616         # Pass the information to libgc
3617         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3618         AC_MSG_CHECKING(if the tls_model attribute is supported)
3619         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3620                 ], [
3621                         AC_MSG_RESULT(yes)
3622                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3623                 ], [
3624                         AC_MSG_RESULT(no)
3625         ])
3626 fi
3627
3628 if test ${TARGET} = ARM; then
3629         dnl ******************************************
3630         dnl *** Check to see what FPU is available ***
3631         dnl ******************************************
3632         AC_MSG_CHECKING(which FPU to use)
3633
3634         #
3635         # This is a bit tricky:
3636         #
3637         # if (__ARM_PCS_VFP) {
3638         #       /* mfloat-abi=hard == VFP with hard ABI */
3639         # } elif (!__SOFTFP__) {
3640         #       /* mfloat-abi=softfp == VFP with soft ABI */
3641         # } else {
3642         #       /* mfloat-abi=soft == no VFP */
3643         # }
3644         #
3645         # The exception is iOS (w/ GCC) where none of the above
3646         # are defined (but iOS always uses the 'softfp' ABI).
3647         #
3648         # No support for FPA.
3649         #
3650
3651         fpu=NONE
3652
3653         # iOS GCC always uses the 'softfp' ABI.
3654         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3655                 fpu=VFP
3656         fi
3657
3658         # Are we using the 'hard' ABI?
3659         if test x$fpu = xNONE; then
3660                 AC_TRY_COMPILE([], [
3661                         #ifndef __ARM_PCS_VFP
3662                         #error "Float ABI is not 'hard'"
3663                         #endif
3664                         return 0;
3665                 ], [
3666                         fpu=VFP_HARD
3667                 ], [
3668                         fpu=NONE
3669                 ])
3670         fi
3671
3672         # No 'hard' ABI. 'soft' or 'softfp'?
3673         if test x$fpu = xNONE; then
3674                 AC_TRY_COMPILE([], [
3675                         #ifdef __SOFTFP__
3676                         #error "Float ABI is not 'softfp'"
3677                         #endif
3678                         return 0;
3679                 ], [
3680                         fpu=VFP
3681                 ], [
3682                         fpu=NONE
3683                 ])
3684         fi
3685
3686         if test x$arm_fpu != x; then
3687            fpu=$arm_fpu
3688         fi
3689
3690         AC_MSG_RESULT($fpu)
3691         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3692         unset fpu
3693
3694         dnl *********************************************
3695         dnl *** Check which ARM version(s) we can use ***
3696         dnl *********************************************
3697         AC_MSG_CHECKING(which ARM version to use)
3698
3699         AC_TRY_COMPILE([], [
3700                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3701                 #error Not on ARM v5.
3702                 #endif
3703                 return 0;
3704         ], [
3705                 arm_v5=yes
3706
3707                 arm_ver=ARMv5
3708         ], [])
3709
3710         AC_TRY_COMPILE([], [
3711                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3712                 #error Not on ARM v6.
3713                 #endif
3714                 return 0;
3715         ], [
3716                 arm_v5=yes
3717                 arm_v6=yes
3718
3719                 arm_ver=ARMv6
3720         ], [])
3721
3722         AC_TRY_COMPILE([], [
3723                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3724                 #error Not on ARM v7.
3725                 #endif
3726                 return 0;
3727         ], [
3728                 arm_v5=yes
3729                 arm_v6=yes
3730                 arm_v7=yes
3731
3732                 arm_ver=ARMv7
3733         ], [])
3734
3735         AC_MSG_RESULT($arm_ver)
3736
3737         if test x$arm_v5 = xyes; then
3738                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3739                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3740         fi
3741
3742         if test x$arm_v6 = xyes; then
3743                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3744                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3745         fi
3746
3747         if test x$arm_v7 = xyes; then
3748                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3749                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3750         fi
3751 fi
3752
3753 if test ${TARGET} = unknown; then
3754         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3755         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3756 fi
3757
3758 if test ${ACCESS_UNALIGNED} = no; then
3759         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3760 fi
3761
3762 case "x$libgc" in
3763         xincluded)
3764                 # Pass CPPFLAGS to libgc configure
3765                 # We should use a separate variable for this to avoid passing useless and
3766                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3767                 # This should be executed late so we pick up the final version of CPPFLAGS
3768                 # The problem with this approach, is that during a reconfigure, the main
3769                 # configure scripts gets invoked with these arguments, so we use separate
3770                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3771                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3772                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3773                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3774                 fi
3775                 # Don't pass -finstrument-for-thread-suspension in, 
3776                 # if these are instrumented it will be very bad news 
3777                 # (infinite recursion, undefined parking behavior, etc)
3778                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3779                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3780                 if test "x$support_boehm" = "xyes"; then
3781                         AC_CONFIG_SUBDIRS(libgc)
3782                 fi
3783                 ;;
3784 esac
3785
3786 MALLOC_MEMPOOLS=no
3787 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3788         if test x$with_malloc_mempools = xyes; then
3789                 MALLOC_MEMPOOLS=yes
3790                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3791         fi
3792 ])
3793
3794
3795 DISABLE_MCS_DOCS=default
3796 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3797         if test x$with_mcs_docs != xyes; then
3798                 DISABLE_MCS_DOCS=yes
3799         fi
3800 ])
3801 if test -n "$INSTALL_4_x_TRUE"; then :
3802         DISABLE_MCS_DOCS=yes
3803 fi
3804 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3805    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3806 fi
3807
3808 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3809         if test x$with_lazy_gc_thread_creation != xno ; then
3810                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3811         fi
3812 ], [with_lazy_gc_thread_creation=no])
3813
3814 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [with_cooperative_gc=default])
3815
3816 if test x$with_cooperative_gc = xdefault; then
3817         with_cooperative_gc=$with_cooperative_gc_default
3818 fi
3819
3820 if test x$with_cooperative_gc != xno; then
3821         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3822 fi
3823
3824 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3825
3826 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread],[
3827
3828         if test x$enable_checked_build != x ; then
3829                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3830         fi
3831         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3832                 eval "mono_checked_build_test_enable_$feature='yes'"
3833         done
3834
3835         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3836                 eval "mono_checked_build_test_enable_gc='yes'"
3837                 eval "mono_checked_build_test_enable_metadata='yes'"
3838                 eval "mono_checked_build_test_enable_thread='yes'"
3839         fi
3840
3841         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3842                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3843         fi
3844
3845         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3846                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3847         fi
3848
3849         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3850                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3851         fi
3852
3853 ], [])
3854
3855 AC_CHECK_HEADER([malloc.h], 
3856                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3857                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3858
3859 if test x"$GCC" = xyes; then
3860         # Implicit function declarations are not 64 bit safe
3861         # Do this late, since this causes lots of configure tests to fail
3862         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3863         # jay has a lot of implicit declarations
3864         JAY_CFLAGS="-Wno-implicit-function-declaration"
3865 fi
3866
3867 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3868 # instead of libmono-static.a
3869 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3870    LIBMONO_LA=libmini-static.la
3871 else
3872    if test x$buildsgen = xyes; then
3873       LIBMONO_LA=libmonosgen-$API_VER.la
3874    else
3875       LIBMONO_LA=libmonoboehm-$API_VER.la
3876    fi
3877 fi
3878 AC_SUBST(LIBMONO_LA)
3879
3880 if test x$DISABLE_MCS_DOCS = xyes; then
3881    docs_dir=""
3882 else
3883    docs_dir=docs
3884 fi
3885 AC_SUBST(docs_dir)
3886
3887 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3888 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3889
3890 libmono_ldflags="$libmono_ldflags $LIBS"
3891
3892 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3893 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3894 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3895 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3896 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3897 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3898 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3899 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3900 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3901 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3902 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3903 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3904 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3905 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3906 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3907 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3908 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3909 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3910
3911 AC_SUBST(LIBC)
3912 AC_SUBST(INTL)
3913 AC_SUBST(SQLITE)
3914 AC_SUBST(SQLITE3)
3915 AC_SUBST(X11)
3916 AC_SUBST(GDKX11)
3917 AC_SUBST(GTKX11)
3918 AC_SUBST(XINERAMA)
3919 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3920 AC_SUBST(arch_target)
3921 AC_SUBST(CFLAGS)
3922 AC_SUBST(CPPFLAGS)
3923 AC_SUBST(LDFLAGS)
3924
3925 #This must always be defined when building the runtime
3926 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3927
3928 mono_build_root=`pwd`
3929 AC_SUBST(mono_build_root)
3930
3931 mono_runtime=mono/mini/mono
3932 AC_SUBST(mono_runtime)
3933
3934 mono_cfg_root=$mono_build_root/runtime
3935 if test x$host_win32 = xyes; then
3936   if test "x$cross_compiling" = "xno"; then
3937     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3938   else
3939     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3940   fi
3941 else
3942   mono_cfg_dir=$mono_cfg_root/etc
3943 fi
3944 AC_SUBST(mono_cfg_dir)
3945
3946 AC_CONFIG_FILES([po/mcs/Makefile.in])
3947
3948 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3949 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3950
3951 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3952 [   depth=../../../..
3953     case $srcdir in
3954     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3955     .) reldir=$depth ;;
3956     *) reldir=$depth/$srcdir ;;
3957     esac
3958     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3959     cd runtime/etc/mono/1.0
3960     rm -f machine.config
3961     $LN_S $reldir/data/net_1_1/machine.config machine.config
3962     cd $depth
3963 ],[LN_S='$LN_S'])
3964
3965 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3966 [   depth=../../../..
3967     case $srcdir in
3968     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3969     .) reldir=$depth ;;
3970     *) reldir=$depth/$srcdir ;;
3971     esac
3972     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3973     cd runtime/etc/mono/2.0
3974     rm -f machine.config
3975     $LN_S $reldir/data/net_2_0/machine.config machine.config
3976     cd $depth
3977 ],[LN_S='$LN_S'])
3978
3979 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3980 [   depth=../../../..
3981     case $srcdir in
3982     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3983     .) reldir=$depth ;;
3984     *) reldir=$depth/$srcdir ;;
3985     esac
3986     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3987     cd runtime/etc/mono/2.0
3988     rm -f web.config
3989     $LN_S $reldir/data/net_2_0/web.config web.config
3990     cd $depth
3991 ],[LN_S='$LN_S'])
3992
3993 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3994 [   depth=../../..
3995     case $srcdir in
3996     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3997     .) reldir=$depth ;;
3998     *) reldir=$depth/$srcdir ;;
3999     esac
4000     $ac_aux_dir/install-sh -d runtime/etc/mono/
4001     cd runtime/etc/mono/
4002     rm -f browscap.ini
4003     $LN_S $reldir/data/browscap.ini browscap.ini
4004     cd $depth
4005 ],[LN_S='$LN_S'])
4006
4007 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4008 [   depth=../../../../..
4009     case $srcdir in
4010     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4011     .) reldir=$depth ;;
4012     *) reldir=$depth/$srcdir ;;
4013     esac
4014     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4015     cd runtime/etc/mono/2.0/Browsers
4016     rm -f Compat.browser
4017     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4018     cd $depth
4019 ],[LN_S='$LN_S'])
4020
4021 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4022 [   depth=../../../../..
4023     case $srcdir in
4024     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4025     .) reldir=$depth ;;
4026     *) reldir=$depth/$srcdir ;;
4027     esac
4028     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4029     cd runtime/etc/mono/4.0/Browsers
4030     rm -f Compat.browser
4031     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4032     cd $depth
4033 ],[LN_S='$LN_S'])
4034
4035 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4036 [   depth=../../../../..
4037     case $srcdir in
4038     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4039     .) reldir=$depth ;;
4040     *) reldir=$depth/$srcdir ;;
4041     esac
4042     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4043     cd runtime/etc/mono/4.5/Browsers
4044     rm -f Compat.browser
4045     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4046     cd $depth
4047 ],[LN_S='$LN_S'])
4048
4049 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4050 [   depth=../../../..
4051     case $srcdir in
4052     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4053     .) reldir=$depth ;;
4054     *) reldir=$depth/$srcdir ;;
4055     esac
4056     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4057     cd runtime/etc/mono/4.0
4058     rm -f machine.config
4059     $LN_S $reldir/data/net_4_0/machine.config machine.config
4060     cd $depth
4061 ],[LN_S='$LN_S'])
4062
4063 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4064 [   depth=../../../..
4065     case $srcdir in
4066     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4067     .) reldir=$depth ;;
4068     *) reldir=$depth/$srcdir ;;
4069     esac
4070     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4071     cd runtime/etc/mono/4.0
4072     rm -f web.config
4073     $LN_S $reldir/data/net_4_0/web.config web.config
4074     cd $depth
4075 ],[LN_S='$LN_S'])
4076
4077 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4078 [   depth=../../../..
4079     case $srcdir in
4080     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4081     .) reldir=$depth ;;
4082     *) reldir=$depth/$srcdir ;;
4083     esac
4084     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4085     cd runtime/etc/mono/4.5
4086     rm -f machine.config
4087     $LN_S $reldir/data/net_4_5/machine.config machine.config
4088     cd $depth
4089 ],[LN_S='$LN_S'])
4090
4091 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4092 [   depth=../../../..
4093     case $srcdir in
4094     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4095     .) reldir=$depth ;;
4096     *) reldir=$depth/$srcdir ;;
4097     esac
4098     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4099     cd runtime/etc/mono/4.5
4100     rm -f web.config
4101     $LN_S $reldir/data/net_4_5/web.config web.config
4102     cd $depth
4103 ],[LN_S='$LN_S'])
4104
4105 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])
4106 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])
4107
4108 AC_OUTPUT([
4109 Makefile
4110 mono-uninstalled.pc
4111 acceptance-tests/Makefile
4112 llvm/Makefile
4113 scripts/mono-find-provides
4114 scripts/mono-find-requires
4115 mono/Makefile
4116 mono/utils/Makefile
4117 mono/metadata/Makefile
4118 mono/dis/Makefile
4119 mono/cil/Makefile
4120 mono/arch/Makefile
4121 mono/arch/x86/Makefile
4122 mono/arch/amd64/Makefile
4123 mono/arch/ppc/Makefile
4124 mono/arch/sparc/Makefile
4125 mono/arch/s390x/Makefile
4126 mono/arch/arm/Makefile
4127 mono/arch/arm64/Makefile
4128 mono/arch/ia64/Makefile
4129 mono/arch/mips/Makefile
4130 mono/sgen/Makefile
4131 mono/tests/Makefile
4132 mono/tests/tests-config
4133 mono/tests/assemblyresolve/Makefile
4134 mono/tests/gc-descriptors/Makefile
4135 mono/unit-tests/Makefile
4136 mono/benchmark/Makefile
4137 mono/io-layer/Makefile
4138 mono/mini/Makefile
4139 mono/profiler/Makefile
4140 m4/Makefile
4141 ikvm-native/Makefile
4142 scripts/Makefile
4143 man/Makefile
4144 docs/Makefile
4145 data/Makefile
4146 data/net_2_0/Makefile
4147 data/net_4_0/Makefile
4148 data/net_4_5/Makefile
4149 data/net_2_0/Browsers/Makefile
4150 data/net_4_0/Browsers/Makefile
4151 data/net_4_5/Browsers/Makefile
4152 data/mint.pc
4153 data/mono-2.pc
4154 data/monosgen-2.pc
4155 data/mono.pc
4156 data/mono-cairo.pc
4157 data/mono-nunit.pc
4158 data/mono-options.pc
4159 data/mono-lineeditor.pc
4160 data/monodoc.pc
4161 data/dotnet.pc
4162 data/dotnet35.pc
4163 data/wcf.pc
4164 data/cecil.pc
4165 data/system.web.extensions_1.0.pc
4166 data/system.web.extensions.design_1.0.pc
4167 data/system.web.mvc.pc
4168 data/system.web.mvc2.pc
4169 data/system.web.mvc3.pc
4170 data/aspnetwebstack.pc
4171 data/reactive.pc
4172 samples/Makefile
4173 support/Makefile
4174 data/config
4175 tools/Makefile
4176 tools/locale-builder/Makefile
4177 tools/sgen/Makefile
4178 tools/monograph/Makefile
4179 tools/pedump/Makefile
4180 runtime/Makefile
4181 msvc/Makefile
4182 po/Makefile
4183 ])
4184
4185 # Update all submodules recursively to ensure everything is checked out
4186 $srcdir/scripts/update_submodules
4187
4188 if test x$host_win32 = xyes; then
4189    # Get rid of 'cyg' prefixes in library names
4190    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4191    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4192    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4193    # executable doesn't work...
4194    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4195 fi
4196
4197 if test x$host_darwin = xyes; then
4198    # This doesn't seem to be required and it slows down parallel builds
4199    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4200 fi
4201
4202 (
4203   case $prefix in
4204   NONE) prefix=$ac_default_prefix ;;
4205   esac
4206   case $exec_prefix in
4207   NONE) exec_prefix='${prefix}' ;;
4208   esac
4209
4210   #
4211   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4212   # any existing config.make.  This allows people to share the same source tree
4213   # with different build directories, one native and one cross
4214   #
4215   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4216
4217     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4218
4219     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4220     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4221     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4222     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4223     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4224     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4225     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4226     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4227
4228     case $INSTALL in
4229     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4230     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4231     esac
4232
4233     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4234
4235     export VERSION
4236     [myver=$($AWK 'BEGIN {
4237       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4238       if(length(vsplit [1]) > 4) {
4239         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4240       }
4241       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4242     }')]
4243
4244     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4245
4246     if test x$host_darwin = xyes; then
4247       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4248     fi
4249
4250     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4251       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4252     fi
4253
4254         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4255            enable_system_aot=yes
4256         fi
4257
4258     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4259       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4260     fi
4261
4262     if test x$DISABLE_MCS_DOCS = xyes; then
4263       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4264     fi
4265
4266     if test x$has_extension_module != xno; then
4267         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4268     fi
4269     
4270     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4271     
4272     if test "x$test_bcl_opt" = "xyes"; then    
4273       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4274     fi
4275
4276     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4277       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4278       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4279     fi
4280
4281   fi
4282
4283 )
4284
4285 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4286
4287 echo "
4288         mcs source:    $mcsdir
4289
4290    Engine:
4291         Host:          $host
4292         Target:        $target
4293         GC:            $gc_msg 
4294         TLS:           $with_tls
4295         SIGALTSTACK:   $with_sigaltstack
4296         Engine:        $jit_status
4297         BigArrays:     $enable_big_arrays
4298         DTrace:        $enable_dtrace
4299         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4300
4301    Libraries:
4302         .NET 4.x:        $with_profile4_x
4303         Xamarin.Android: $with_monodroid
4304         Xamarin.iOS:     $with_monotouch
4305         Xamarin.WatchOS: $with_monotouch_watch
4306         Xamarin.TVOS:    $with_monotouch_tv
4307         Xamarin.Mac:     $with_xammac
4308         mobile_static:   $with_mobile_static
4309         JNI support:     $jdk_headers_found
4310         libgdiplus:      $libgdiplus_msg
4311         zlib:            $zlib_msg
4312         $disabled
4313 "
4314 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4315    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4316 fi