35340782ccb5424e5fed273b3820d3d32b14174c
[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, [4.5.2],
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                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
536                 if test x"$disable_visibility_hidden" = xno; then
537                    # Don't export any symbols by default
538                    SHARED_CFLAGS="-fvisibility=hidden"
539                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
540                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
541                 fi
542
543                 ORIG_CFLAGS=$CFLAGS
544                 # Check for the normal version, since gcc ignores unknown -Wno options
545                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
546                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
547                 AC_TRY_COMPILE([],[
548                                 return 0;
549                 ], [
550                    AC_MSG_RESULT(yes)
551                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
552                 ], [
553                    AC_MSG_RESULT(no)
554                    CFLAGS=$ORIG_CFLAGS
555                 ])
556
557                 if test "x$mono_cv_clang" = "xyes"; then
558                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
559                    WARN="$WARN -Qunused-arguments"
560                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
561                 fi
562 else
563         # The Sun Forte compiler complains about inline functions that access static variables
564         # so disable all inlining.
565         case "$host" in
566         *-*-solaris*)
567                 CFLAGS="$CFLAGS -Dinline="
568                 ;;
569         esac
570 fi
571 CFLAGS="$CFLAGS -g $WARN"
572 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
573 CPPFLAGS="$CPPFLAGS -g $WARN"
574
575 # Where's the 'mcs' source tree?
576 if test -d $srcdir/mcs; then
577   mcsdir=mcs
578 else
579   mcsdir=../mcs
580 fi
581
582 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
583         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
584                 mcsdir=$with_mcs_path
585         fi
586 )
587
588 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
589
590 #
591 # A sanity check to catch cases where the package was unpacked
592 # with an ancient tar program (Solaris)
593 #
594 AC_ARG_ENABLE(solaris-tar-check,
595 [  --disable-solaris-tar-check    disable solaris tar check],
596    do_solaris_tar_check=no, do_solaris_tar_check=yes)
597
598 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
599         AC_MSG_CHECKING(integrity of package)
600         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
601         then
602                 AC_MSG_RESULT(ok)
603         else
604                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
605                 AC_MSG_ERROR([$errorm])
606         fi
607 fi
608
609 if test "x$with_mcs_path" != "x"; then
610 mcs_topdir=$(cd "$mcsdir" && pwd)
611 mcs_topdir_from_srcdir=$mcs_topdir
612 else
613 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
614 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
615 fi
616
617 # Convert mcs_topdir* paths to Windows syntax.
618 if test x$cross_compiling$host_win32 = xnoyes; then
619   mcs_topdir=$(cygpath -m $mcs_topdir)
620   case $mcs_topdir_from_srcdir in
621     /cygdrive/*)
622         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
623         ;;
624   esac
625 fi
626
627 AC_SUBST([mcs_topdir])
628 AC_SUBST([mcs_topdir_from_srcdir])
629
630 # gettext: prepare the translation directories. 
631 # we do not configure the full gettext, as we consume it dynamically from C#
632 AM_PO_SUBDIRS
633
634 if test "x$USE_NLS" = "xyes"; then
635    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
636
637    if test "x$HAVE_MSGFMT" = "xno"; then
638           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
639    fi
640 fi
641
642 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
643
644 pkg_config_path=
645 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
646         if test x$with_crosspkgdir = "x"; then
647                 if test -s $PKG_CONFIG_PATH; then
648                         pkg_config_path=$PKG_CONFIG_PATH
649                 fi
650         else
651                 pkg_config_path=$with_crosspkgdir
652                 PKG_CONFIG_PATH=$pkg_config_path
653                 export PKG_CONFIG_PATH
654         fi
655 )
656
657 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
658 if test x$werror_flag = xyes; then
659         WERROR_CFLAGS="-Werror"
660 fi
661 AC_SUBST([WERROR_CFLAGS])
662 AC_SUBST([SHARED_CFLAGS])
663
664 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
665 AC_CONFIG_SUBDIRS(eglib)
666
667 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
668 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
669   
670 AC_SUBST(GLIB_CFLAGS)
671 AC_SUBST(GLIB_LIBS)
672
673 # Enable support for fast thread-local storage
674 # Some systems have broken support, so we allow to disable it.
675 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
676
677 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
678 # This does not work on some platforms (bug #55253)
679 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
680
681 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
682 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
683 # Same as --with-shared_mono=no
684 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
685
686 if test "x$enable_static" = "xno"; then
687    with_static_mono=no
688 fi
689
690 if test "x$enable_shared" = "xno"; then
691    with_shared_mono=no
692 fi
693
694 if test "x$enable_libraries" = "xno"; then
695    with_shared_mono=no
696 fi
697
698 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
699
700 case $host in
701 *nacl* ) with_shared_mono=yes;;
702 esac
703
704 if test "x$host_win32" = "xyes"; then
705    # Boehm GC requires the runtime to be in its own dll
706    with_static_mono=no
707 fi
708
709 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
710 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
711 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
712
713 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
714 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
715         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
716         ORIG_CFLAGS=$CFLAGS
717         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
718         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
719         AC_TRY_COMPILE([], [
720                 return 0;
721         ], [
722            AC_MSG_RESULT(yes)
723            # Pass it to libgc as well
724            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
725         ], [
726            AC_MSG_RESULT(no)
727            CFLAGS=$ORIG_CFLAGS
728         ])
729 fi
730
731 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
732
733 if test x$enable_small_config = xyes; then
734         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
735         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
736 fi
737
738 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=$enableval, enable_system_aot=default)
739
740 DISABLED_FEATURES=none
741
742 #
743 # Set the build profiles and options before things which use them
744 #
745
746 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
747 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
748 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
749 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
750 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
751 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
752 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
753 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
754
755 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
756
757 dnl
758 dnl Profile defaults
759 dnl
760 TEST_PROFILE=default
761 enable_llvm_default=no
762
763 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
764
765 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
766    DISABLE_MCS_DOCS_default=yes
767    with_profile4_x_default=no
768    with_monodroid_default=no
769    with_monotouch_default=no
770    with_monotouch_watch_default=no
771    with_monotouch_tv_default=no
772    with_xammac_default=no
773    with_mobile_static_default=no
774    with_bitcode_default=no
775    with_cooperative_gc_default=no
776 elif test x$with_runtime_preset = xnet_4_x; then
777    with_cooperative_gc_default=no
778    with_profile4_x_default=yes
779    with_monodroid_default=no
780    with_monotouch_default=no
781    with_monotouch_watch_default=no
782    with_monotouch_tv_default=no
783    with_xammac_default=no
784    with_mobile_static_default=no
785    with_bitcode_default=no
786 elif test x$with_runtime_preset = xall; then
787    with_cooperative_gc_default=no
788    with_profile4_x_default=yes
789    with_monodroid_default=yes
790    with_monotouch_default=yes
791    with_monotouch_watch_default=yes
792    with_monotouch_tv_default=yes
793    with_xammac_default=yes
794    with_mobile_static_default=yes
795    with_bitcode_default=no
796 elif test x$with_runtime_preset = xmobile_static; then
797    DISABLE_MCS_DOCS_default=yes
798    with_cooperative_gc_default=no
799    with_profile4_x_default=no
800    with_monodroid_default=no
801    with_monotouch_default=no
802    with_monotouch_watch_default=no
803    with_monotouch_tv_default=no
804    with_xammac_default=no
805    with_mobile_static_default=yes
806    with_bitcode_default=no
807    with_cooperative_gc_default=no
808    TEST_PROFILE=mobile_static 
809
810    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
811    AOT_RUN_FLAGS="--full-aot"
812 elif test x$with_runtime_preset = xbitcode_mobile_static; then
813    DISABLE_MCS_DOCS_default=yes
814    with_profile4_x_default=no
815    with_monodroid_default=no
816    with_monotouch_default=no
817    with_monotouch_watch_default=no
818    with_monotouch_tv_default=no
819    with_xammac_default=no
820    with_mobile_static_default=yes
821    with_bitcode_default=yes
822    with_cooperative_gc_default=yes
823    TEST_PROFILE=mobile_static 
824    enable_llvm_default=yes
825
826    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
827    AOT_RUN_FLAGS="--llvmonly"
828 else
829    with_profile4_x_default=yes
830    with_monodroid_default=no
831    with_monotouch_default=no
832    with_monotouch_watch_default=no
833    with_monotouch_tv_default=no
834    with_bitcode_default=no
835    with_xammac_default=no
836    with_mobile_static_default=no
837    with_cooperative_gc_default=no
838 fi
839
840 if test "x$AOT_BUILD_FLAGS" != "x"; then :
841    AC_SUBST(AOT_BUILD_FLAGS)
842    AC_SUBST(AOT_RUN_FLAGS)
843 fi
844
845 AC_SUBST(TEST_PROFILE)
846
847 if test "x$with_profile4_x" = "xdefault"; then
848    with_profile4_x=$with_profile4_x_default
849 fi
850 if test "x$with_monodroid" = "xdefault"; then
851    with_monodroid=$with_monodroid_default
852 fi
853 if test "x$with_monotouch" = "xdefault"; then
854    with_monotouch=$with_monotouch_default
855 fi
856 if test "x$with_monotouch_watch" = "xdefault"; then
857    with_monotouch_watch=$with_monotouch_watch_default
858 fi
859 if test "x$with_monotouch_tv" = "xdefault"; then
860    with_monotouch_tv=$with_monotouch_tv_default
861 fi
862 if test "x$with_bitcode" = "xdefault"; then
863    with_bitcode=$with_bitcode_default
864 fi
865 if test "x$with_xammac" = "xdefault"; then
866    with_xammac=$with_xammac_default
867 fi
868 if test "x$with_mobile_static" = "xdefault"; then
869    with_mobile_static=$with_mobile_static_default
870 fi
871
872 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
873 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
874 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
875 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
876 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
877 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
878 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
879 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
880
881 AC_SUBST(INSTALL_MOBILE_STATIC)
882
883 AC_SUBST(BITCODE)
884
885 default_profile=net_4_x
886 if test -z "$INSTALL_MONODROID_TRUE"; then :
887    default_profile=monodroid
888 fi
889 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
890    default_profile=monotouch
891 fi
892 if test -z "$INSTALL_XAMMAC_TRUE"; then :
893    default_profile=xammac
894 fi
895 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
896    default_profile=mobile_static
897 fi
898 if test -z "$INSTALL_4_x_TRUE"; then :
899    default_profile=net_4_x
900 fi
901 DEFAULT_PROFILE=$default_profile
902 AC_SUBST(DEFAULT_PROFILE)
903
904 #
905 # End build profile configuration
906 #
907
908 if test x$USE_NLS = xprofile_default; then
909
910 if test x$host_darwin = xyes; then
911 # We make the default value for USE_NLS
912 # "no" on OSX because it isn't available on most
913 # default OSX installs. The most common configurations will
914 # all disable it, so this saves us typing.
915   USE_NLS=no
916   AC_SUBST([USE_NLS])
917   AC_MSG_RESULT([$USE_NLS])
918 else
919   USE_NLS=yes
920   AC_SUBST([USE_NLS])
921   AC_MSG_RESULT([$USE_NLS])
922 fi
923
924 fi
925
926 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
927      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
928      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
929          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
930 [
931         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
932                 eval "mono_feature_disable_$feature='yes'"
933         done
934         DISABLED_FEATURES=$enable_minimal
935         disabled="Disabled:      $enable_minimal"
936 ],[])
937
938 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
939
940 if test "x$mono_feature_disable_aot" = "xyes"; then
941         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
942         enable_system_aot=no
943         AC_MSG_NOTICE([Disabled AOT compiler])
944 fi
945
946 if test "x$mono_feature_disable_profiler" = "xyes"; then
947         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
948         AC_MSG_NOTICE([Disabled support for the profiler])
949 fi
950 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
951
952 if test "x$mono_feature_disable_decimal" = "xyes"; then
953         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
954         AC_MSG_NOTICE([Disabled support for decimal])
955 fi
956
957 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
958         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
959         AC_MSG_NOTICE([Disabled support for P/Invoke])
960 fi
961
962 if test "x$mono_feature_disable_debug" = "xyes"; then
963         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
964         AC_MSG_NOTICE([Disabled support for runtime debugging])
965 fi
966
967 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
968         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
969         mono_feature_disable_reflection_emit_save=yes
970         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
971 fi
972
973 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
974         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
975         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
976 fi
977
978 if test "x$mono_feature_disable_large_code" = "xyes"; then
979         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
980         AC_MSG_NOTICE([Disabled support for large assemblies])
981 fi
982
983 if test "x$mono_feature_disable_logging" = "xyes"; then
984         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
985         AC_MSG_NOTICE([Disabled support for logging])
986 fi
987
988 if test "x$mono_feature_disable_com" = "xyes"; then
989         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
990         AC_MSG_NOTICE([Disabled COM support])
991 fi
992
993 if test "x$mono_feature_disable_ssa" = "xyes"; then
994         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
995         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
996 fi
997
998 if test "x$mono_feature_disable_generics" = "xyes"; then
999         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1000         AC_MSG_NOTICE([Disabled Generics Support])
1001 fi
1002
1003 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1004         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1005         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1006 fi
1007
1008 if test "x$mono_feature_disable_portability" = "xyes"; then
1009         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1010         AC_MSG_NOTICE([Disabled IO Portability layer])
1011 fi
1012
1013 if test "x$mono_feature_disable_attach" = "xyes"; then
1014         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1015         AC_MSG_NOTICE([Disabled agent attach])
1016 fi
1017
1018 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1019         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1020         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1021 fi
1022
1023 if test "x$mono_feature_disable_verifier" = "xyes"; then
1024         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1025         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1026 fi
1027
1028 if test "x$mono_feature_disable_jit" = "xyes"; then
1029         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1030         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1031 fi
1032
1033 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1034
1035 if test "x$mono_feature_disable_simd" = "xyes"; then
1036         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1037         AC_MSG_NOTICE([Disabled SIMD support])
1038 fi
1039
1040 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1041         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1042         AC_MSG_NOTICE([Disabled Soft Debugger.])
1043 fi
1044
1045 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1046         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1047         AC_MSG_NOTICE([Disabled Performance Counters.])
1048 fi
1049 if test "x$mono_feature_disable_normalization" = "xyes"; then
1050         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1051         AC_MSG_NOTICE([Disabled String normalization support.])
1052 fi
1053
1054 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1055         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1056         AC_MSG_NOTICE([Disabled Assembly remapping.])
1057 fi
1058
1059 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1060         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1061         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1062 fi
1063
1064 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1065         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1066         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1067 fi
1068
1069 if test "x$mono_feature_disable_remoting" = "xyes"; then
1070         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1071         AC_MSG_NOTICE([Disabled remoting])
1072 fi
1073
1074 if test "x$mono_feature_disable_security" = "xyes"; then
1075         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1076         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1077 fi
1078
1079 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1080         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1081         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1082 fi
1083
1084 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1085         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1086         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1087 fi
1088
1089 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1090         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1091         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1092 fi
1093
1094 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1095         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1096         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1097 fi
1098
1099 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1100         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1101         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1102 fi
1103
1104 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1105 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1106
1107 has_extension_module=no
1108 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1109 [
1110         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1111                 if test x$extension = xdefault ; then
1112                         has_extension_module=yes;
1113                 fi
1114         done
1115         if test x$enable_extension_module = xyes; then
1116                 has_extension_module=yes;
1117         fi
1118 ], [])
1119
1120 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1121
1122 if test x$has_extension_module != xno ; then
1123         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1124         AC_MSG_NOTICE([Enabling mono extension module.])
1125 fi
1126
1127 # Deprecated
1128 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1129
1130 AC_MSG_CHECKING(for visibility __attribute__)
1131 AC_COMPILE_IFELSE([
1132         AC_LANG_SOURCE([[
1133                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1134                 int main () { doit (); return 0; }
1135         ]])
1136 ], [
1137    have_visibility_hidden=yes
1138    AC_MSG_RESULT(yes)
1139 ], [
1140    have_visibility_hidden=no
1141    AC_MSG_RESULT(no)
1142 ])
1143
1144 AC_MSG_CHECKING(for deprecated __attribute__)
1145 AC_TRY_COMPILE([
1146      int doit (void) __attribute__ ((deprecated));
1147      int doit (void) { return 0; }
1148 ], [
1149         return 0;
1150 ], [
1151    have_deprecated=yes
1152    AC_MSG_RESULT(yes)
1153 ], [
1154    have_deprecated=no
1155    AC_MSG_RESULT(no)
1156 ])
1157
1158 dnl
1159 dnl Boehm GC configuration
1160 dnl
1161
1162 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1163
1164 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1165 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1166
1167 if test "x$support_boehm" = "xyes"; then
1168
1169         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1170         if test x$enable_parallel_mark = xyes; then
1171                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1172         fi
1173
1174         gc_msg=""
1175         LIBGC_CPPFLAGS=
1176         LIBGC_LIBS=
1177         LIBGC_STATIC_LIBS=
1178         libgc_dir=
1179         case "x$libgc" in
1180                 xincluded)
1181                         if test "x$support_boehm" = "xyes"; then
1182                                 libgc_dir=libgc
1183                         fi
1184
1185                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1186                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1187                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1188
1189                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1190
1191                         if test x$target_win32 = xyes; then
1192                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1193                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1194                         fi
1195
1196                         gc_msg="Included Boehm GC with typed GC"
1197                         if test x$enable_parallel_mark = xyes; then
1198                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1199                                 gc_msg="$gc_msg and parallel mark"
1200                         else
1201                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1202                         fi
1203                         ;;
1204
1205                 xboehm|xbohem|xyes)
1206                         AC_MSG_WARN("External Boehm is no longer supported")
1207                         ;;
1208
1209                 xsgen)
1210                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1211                         ;;
1212
1213                 xnone)
1214                         AC_MSG_WARN("Compiling mono without GC.")
1215                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1216                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1217                         gc_msg="none"
1218                         ;;
1219                 *)
1220                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1221                         ;;
1222         esac
1223
1224         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1225         if test "x$large_heap" = "xyes"; then
1226            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1227         fi
1228
1229         AC_SUBST(LIBGC_CPPFLAGS)
1230         AC_SUBST(LIBGC_LIBS)
1231         AC_SUBST(LIBGC_STATIC_LIBS)
1232         AC_SUBST(libgc_dir)
1233         AC_SUBST(BOEHM_DEFINES)
1234
1235 fi
1236
1237 dnl
1238 dnl End of Boehm GC Configuration
1239 dnl
1240
1241 dnl *************************************
1242 dnl *** Checks for zero length arrays ***
1243 dnl *************************************
1244 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1245 AC_TRY_COMPILE([
1246         struct s {
1247                 int  length;
1248                 char data [0];
1249         };
1250 ], [], [
1251         AC_MSG_RESULT(yes)
1252         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1253 ], [
1254         AC_MSG_RESULT(no)
1255         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1256 ])
1257
1258 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1259
1260 dnl ***********************************
1261 dnl *** Checks for signals
1262 dnl ***********************************
1263 AC_CHECK_HEADERS(signal.h)
1264 AC_CHECK_FUNCS(sigaction)
1265 AC_CHECK_FUNCS(kill)
1266 AC_CHECK_FUNCS(signal)
1267
1268 # signal() is declared inline in Android headers
1269 # so we need to workaround it by overriding the check.
1270 if test x$platform_android = xyes; then
1271         AC_DEFINE(HAVE_SIGNAL,1)
1272 fi
1273
1274 if test x$host_win32 = xno; then
1275
1276         dnl hires monotonic clock support
1277         AC_SEARCH_LIBS(clock_gettime, rt)
1278         AC_CHECK_FUNCS(clock_nanosleep)
1279
1280         dnl dynamic loader support
1281         AC_CHECK_FUNC(dlopen, DL_LIB="",
1282                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1283         )
1284         if test x$dl_support = xno; then
1285                 AC_MSG_WARN([No dynamic loading support available])
1286         else
1287                 LIBS="$LIBS $DL_LIB"
1288                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1289                 dnl from glib's configure.ac
1290                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1291                         mono_cv_uscore,[
1292                         AC_TRY_RUN([#include <dlfcn.h>
1293                         int mono_underscore_test (void) { return 42; }
1294                         int main() {
1295                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1296                           handle = dlopen ((void*)0, 0);
1297                           if (handle) {
1298                             f1 = dlsym (handle, "mono_underscore_test");
1299                             f2 = dlsym (handle, "_mono_underscore_test");
1300                           } return (!f2 || f1);
1301                         }],
1302                                 [mono_cv_uscore=yes],
1303                                 [mono_cv_uscore=no],
1304                         [])
1305                 ])
1306                 if test "x$mono_cv_uscore" = "xyes"; then
1307                         MONO_DL_NEED_USCORE=1
1308                 else
1309                         MONO_DL_NEED_USCORE=0
1310                 fi
1311                 AC_SUBST(MONO_DL_NEED_USCORE)
1312                 AC_CHECK_FUNC(dlerror)
1313         fi
1314
1315         dnl ******************************************************************
1316         dnl *** Checks for the IKVM JNI interface library                  ***
1317         dnl ******************************************************************
1318         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])
1319
1320         ikvm_native_dir=
1321         if test x$with_ikvm_native = xyes; then
1322                 ikvm_native_dir=ikvm-native
1323                 jdk_headers_found="IKVM Native"
1324         fi
1325
1326         AC_SUBST(ikvm_native_dir)
1327
1328         AC_CHECK_HEADERS(execinfo.h)
1329
1330         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1331
1332         AC_CHECK_FUNCS(getgrgid_r)
1333         AC_CHECK_FUNCS(getgrnam_r)
1334         AC_CHECK_FUNCS(getpwnam_r)
1335         AC_CHECK_FUNCS(getpwuid_r)
1336         AC_CHECK_FUNCS(getresuid)
1337         AC_CHECK_FUNCS(setresuid)
1338         AC_CHECK_FUNCS(kqueue)
1339         AC_CHECK_FUNCS(backtrace_symbols)
1340         AC_CHECK_FUNCS(mkstemp)
1341         AC_CHECK_FUNCS(mmap)
1342         AC_CHECK_FUNCS(madvise)
1343         AC_CHECK_FUNCS(getrusage)
1344         AC_CHECK_FUNCS(getpriority)
1345         AC_CHECK_FUNCS(setpriority)
1346         AC_CHECK_FUNCS(dl_iterate_phdr)
1347         AC_CHECK_FUNCS(dladdr)
1348         AC_CHECK_FUNCS(sysconf)
1349         AC_CHECK_FUNCS(getrlimit)
1350         AC_CHECK_FUNCS(prctl)
1351
1352         AC_CHECK_FUNCS(sched_getaffinity)
1353         AC_CHECK_FUNCS(sched_setaffinity)
1354         AC_CHECK_FUNCS(sched_getcpu)
1355
1356         dnl ****************************************************************
1357         dnl *** Check for sched_setaffinity from glibc versions before   ***
1358         dnl *** 2.3.4. The older versions of the function only take 2    ***
1359         dnl *** parameters, not 3.                                       ***
1360         dnl ***                                                          ***
1361         dnl *** Because the interface change was not made in a minor     ***
1362         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1363         dnl *** won't always indicate the interface sched_affinity has.  ***
1364         dnl ****************************************************************
1365         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1366         AC_TRY_COMPILE([#include <sched.h>], [
1367             int mask = 1; 
1368             sched_setaffinity(0, &mask);
1369                         return 0;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1374         ], [
1375                 # We have the new, three-parameter version
1376                 AC_MSG_RESULT(no)
1377         ])
1378
1379
1380         dnl ******************************************************************
1381         dnl *** Check for large file support                               ***
1382         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1383         dnl ******************************************************************
1384         
1385         # Check that off_t can represent 2**63 - 1 correctly, working around
1386         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1387         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1388         large_offt=no
1389         AC_DEFUN([LARGE_FILES], [
1390                 large_CPPFLAGS=$CPPFLAGS
1391                 CPPFLAGS="$CPPFLAGS $1"
1392                 AC_TRY_COMPILE([
1393                         #include <sys/types.h>
1394                         #include <limits.h>
1395                 ], [
1396                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1397                         #define COMPILE_TIME_ASSERT(pred) \
1398                                 switch(0){case 0:case pred:;}
1399                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1400                 ], [
1401                         AC_MSG_RESULT(ok)
1402                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1403                         large_CPPFLAGS="$large_CPPFLAGS $1"
1404                         large_offt=yes
1405                 ], [
1406                         AC_MSG_RESULT(no)
1407                 ])
1408                 CPPFLAGS=$large_CPPFLAGS
1409         ])
1410
1411         AC_MSG_CHECKING(if off_t is 64 bits wide)
1412         LARGE_FILES("")
1413         if test $large_offt = no; then
1414                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1415                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1416         fi
1417         if test $large_offt = no; then
1418                 AC_MSG_WARN([No 64 bit file size support available])
1419         fi
1420         
1421         dnl *****************************
1422         dnl *** Checks for libsocket  ***
1423         dnl *****************************
1424         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1425
1426         case "$host" in
1427                 *-*-*freebsd*)
1428                         dnl *****************************
1429                         dnl *** Checks for libinotify ***
1430                         dnl *****************************
1431                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1432         esac
1433
1434         dnl *******************************
1435         dnl *** Checks for MSG_NOSIGNAL ***
1436         dnl *******************************
1437         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1438         AC_TRY_COMPILE([#include <sys/socket.h>], [
1439                 int f = MSG_NOSIGNAL;
1440         ], [
1441                 # Yes, we have it...
1442                 AC_MSG_RESULT(yes)
1443                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1444         ], [
1445                 # We'll have to use signals
1446                 AC_MSG_RESULT(no)
1447         ])
1448
1449         dnl *****************************
1450         dnl *** Checks for IPPROTO_IP ***
1451         dnl *****************************
1452         AC_MSG_CHECKING(for IPPROTO_IP)
1453         AC_TRY_COMPILE([#include <netinet/in.h>], [
1454                 int level = IPPROTO_IP;
1455         ], [
1456                 # Yes, we have it...
1457                 AC_MSG_RESULT(yes)
1458                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1459         ], [
1460                 # We'll have to use getprotobyname
1461                 AC_MSG_RESULT(no)
1462         ])
1463
1464         dnl *******************************
1465         dnl *** Checks for IPPROTO_IPV6 ***
1466         dnl *******************************
1467         AC_MSG_CHECKING(for IPPROTO_IPV6)
1468         AC_TRY_COMPILE([#include <netinet/in.h>], [
1469                 int level = IPPROTO_IPV6;
1470         ], [
1471                 # Yes, we have it...
1472                 AC_MSG_RESULT(yes)
1473                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1474         ], [
1475                 # We'll have to use getprotobyname
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl ******************************
1480         dnl *** Checks for IPPROTO_TCP ***
1481         dnl ******************************
1482         AC_MSG_CHECKING(for IPPROTO_TCP)
1483         AC_TRY_COMPILE([#include <netinet/in.h>], [
1484                 int level = IPPROTO_TCP;
1485         ], [
1486                 # Yes, we have it...
1487                 AC_MSG_RESULT(yes)
1488                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1489         ], [
1490                 # We'll have to use getprotobyname
1491                 AC_MSG_RESULT(no)
1492         ])
1493
1494         dnl *****************************
1495         dnl *** Checks for SOL_IP     ***
1496         dnl *****************************
1497         AC_MSG_CHECKING(for SOL_IP)
1498         AC_TRY_COMPILE([#include <netdb.h>], [
1499                 int level = SOL_IP;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1504         ], [
1505                 # We'll have to use getprotobyname
1506                 AC_MSG_RESULT(no)
1507         ])
1508
1509         dnl *****************************
1510         dnl *** Checks for SOL_IPV6     ***
1511         dnl *****************************
1512         AC_MSG_CHECKING(for SOL_IPV6)
1513         AC_TRY_COMPILE([#include <netdb.h>], [
1514                 int level = SOL_IPV6;
1515         ], [
1516                 # Yes, we have it...
1517                 AC_MSG_RESULT(yes)
1518                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1519         ], [
1520                 # We'll have to use getprotobyname
1521                 AC_MSG_RESULT(no)
1522         ])
1523
1524         dnl *****************************
1525         dnl *** Checks for SOL_TCP    ***
1526         dnl *****************************
1527         AC_MSG_CHECKING(for SOL_TCP)
1528         AC_TRY_COMPILE([#include <netdb.h>], [
1529                 int level = SOL_TCP;
1530         ], [
1531                 # Yes, we have it...
1532                 AC_MSG_RESULT(yes)
1533                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1534         ], [
1535                 # We'll have to use getprotobyname
1536                 AC_MSG_RESULT(no)
1537         ])
1538
1539         dnl *****************************
1540         dnl *** Checks for IP_PKTINFO ***
1541         dnl *****************************
1542         AC_MSG_CHECKING(for IP_PKTINFO)
1543         AC_TRY_COMPILE([#include <linux/in.h>], [
1544                 int level = IP_PKTINFO;
1545         ], [
1546                 # Yes, we have it...
1547                 AC_MSG_RESULT(yes)
1548                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1549         ], [
1550                 AC_MSG_RESULT(no)
1551         ])
1552
1553         dnl *****************************
1554         dnl *** Checks for IPV6_PKTINFO ***
1555         dnl *****************************
1556         AC_MSG_CHECKING(for IPV6_PKTINFO)
1557         AC_TRY_COMPILE([#include <netdb.h>], [
1558                 int level = IPV6_PKTINFO;
1559         ], [
1560                 # Yes, we have it...
1561                 AC_MSG_RESULT(yes)
1562                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1563         ], [
1564                 AC_MSG_RESULT(no)
1565         ])
1566
1567         dnl **********************************
1568         dnl *** Checks for IP_DONTFRAG     ***
1569         dnl **********************************
1570         AC_MSG_CHECKING(for IP_DONTFRAG)
1571         AC_TRY_COMPILE([#include <netinet/in.h>], [
1572                 int level = IP_DONTFRAG;
1573         ], [
1574                 # Yes, we have it...
1575                 AC_MSG_RESULT(yes)
1576                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1577         ], [
1578                 AC_MSG_RESULT(no)
1579         ])
1580
1581         dnl **********************************
1582         dnl *** Checks for IP_DONTFRAGMENT ***
1583         dnl **********************************
1584         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1585         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1586                 int level = IP_DONTFRAGMENT;
1587         ], [
1588                 # Yes, we have it...
1589                 AC_MSG_RESULT(yes)
1590                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1591         ], [
1592                 AC_MSG_RESULT(no)
1593         ])
1594
1595         dnl **********************************
1596         dnl *** Checks for IP_MTU_DISCOVER ***
1597         dnl **********************************
1598         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1599         AC_TRY_COMPILE([#include <linux/in.h>], [
1600                 int level = IP_MTU_DISCOVER;
1601         ], [
1602                 # Yes, we have it...
1603                 AC_MSG_RESULT(yes)
1604                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1605         ], [
1606                 AC_MSG_RESULT(no)
1607         ])
1608
1609         dnl **********************************
1610         dnl *** Checks for  IP_PMTUDISC_DO ***
1611         dnl **********************************
1612         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1613         AC_TRY_COMPILE([#include <linux/in.h>], [
1614                 int level = IP_PMTUDISC_DO;
1615         ], [
1616                 # Yes, we have it...
1617                 AC_MSG_RESULT(yes)
1618                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1619         ], [
1620                 AC_MSG_RESULT(no)
1621         ])
1622
1623         dnl *********************************
1624         dnl *** Check for struct ip_mreqn ***
1625         dnl *********************************
1626         AC_MSG_CHECKING(for struct ip_mreqn)
1627         AC_TRY_COMPILE([#include <netinet/in.h>], [
1628                 struct ip_mreqn mreq;
1629                 mreq.imr_address.s_addr = 0;
1630         ], [
1631                 # Yes, we have it...
1632                 AC_MSG_RESULT(yes)
1633                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1634         ], [
1635                 # We'll just have to try and use struct ip_mreq
1636                 AC_MSG_RESULT(no)
1637                 AC_MSG_CHECKING(for struct ip_mreq)
1638                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1639                         struct ip_mreq mreq;
1640                         mreq.imr_interface.s_addr = 0;
1641                 ], [
1642                         # Yes, we have it...
1643                         AC_MSG_RESULT(yes)
1644                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1645                 ], [
1646                         # No multicast support
1647                         AC_MSG_RESULT(no)
1648                 ])
1649         ])
1650         
1651         dnl **********************************
1652         dnl *** Check for getaddrinfo ***
1653         dnl **********************************
1654         AC_MSG_CHECKING(for getaddrinfo)
1655                 AC_TRY_LINK([
1656                 #include <stdio.h>
1657                 #include <netdb.h>
1658         ], [
1659                 getaddrinfo(NULL,NULL,NULL,NULL);
1660         ], [
1661                 # Yes, we have it...
1662                 AC_MSG_RESULT(yes)
1663                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1664         ], [
1665                 AC_MSG_RESULT(no)
1666         ])
1667
1668         dnl **********************************
1669         dnl *** Check for gethostbyname2_r ***
1670         dnl **********************************
1671         AC_MSG_CHECKING(for gethostbyname2_r)
1672                 AC_TRY_LINK([
1673                 #include <stdio.h>
1674                 #include <netdb.h>
1675         ], [
1676
1677                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1678         ], [
1679                 # Yes, we have it...
1680                 AC_MSG_RESULT(yes)
1681                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1682         ], [
1683                 AC_MSG_RESULT(no)
1684         ])
1685
1686         dnl **********************************
1687         dnl *** Check for gethostbyname2 ***
1688         dnl **********************************
1689         AC_MSG_CHECKING(for gethostbyname2)
1690                 AC_TRY_LINK([
1691                 #include <stdio.h>
1692                 #include <netdb.h>
1693         ], [
1694                 gethostbyname2(NULL,0);
1695         ], [
1696                 # Yes, we have it...
1697                 AC_MSG_RESULT(yes)
1698                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1699         ], [
1700                 AC_MSG_RESULT(no)
1701         ])
1702
1703         dnl **********************************
1704         dnl *** Check for gethostbyname ***
1705         dnl **********************************
1706         AC_MSG_CHECKING(for gethostbyname)
1707                 AC_TRY_LINK([
1708                 #include <stdio.h>
1709                 #include <netdb.h>
1710         ], [
1711                 gethostbyname(NULL);
1712         ], [
1713                 # Yes, we have it...
1714                 AC_MSG_RESULT(yes)
1715                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1716         ], [
1717                 AC_MSG_RESULT(no)
1718         ])
1719
1720         dnl **********************************
1721         dnl *** Check for getprotobyname ***
1722         dnl **********************************
1723         AC_MSG_CHECKING(for getprotobyname)
1724                 AC_TRY_LINK([
1725                 #include <stdio.h>
1726                 #include <netdb.h>
1727         ], [
1728                 getprotobyname(NULL);
1729         ], [
1730                 # Yes, we have it...
1731                 AC_MSG_RESULT(yes)
1732                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1733         ], [
1734                 AC_MSG_RESULT(no)
1735         ])
1736
1737         dnl **********************************
1738         dnl *** Check for getnameinfo ***
1739         dnl **********************************
1740         AC_MSG_CHECKING(for getnameinfo)
1741                 AC_TRY_LINK([
1742                 #include <stdio.h>
1743                 #include <netdb.h>
1744         ], [
1745                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1746         ], [
1747                 # Yes, we have it...
1748                 AC_MSG_RESULT(yes)
1749                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1750         ], [
1751                 AC_MSG_RESULT(no)
1752         ])
1753
1754
1755         dnl **********************************
1756         dnl *** Check for inet_ntop ***
1757         dnl **********************************
1758         AC_MSG_CHECKING(for inet_ntop)
1759                 AC_TRY_LINK([
1760                 #include <stdio.h>
1761                 #include <arpa/inet.h>
1762         ], [
1763                 inet_ntop (0, NULL, NULL, 0);
1764         ], [
1765                 # Yes, we have it...
1766                 AC_MSG_RESULT(yes)
1767                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1768         ], [
1769                 AC_MSG_RESULT(no)
1770         ])
1771
1772         dnl *****************************
1773         dnl *** Checks for libnsl     ***
1774         dnl *****************************
1775         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1776
1777         AC_CHECK_FUNCS(inet_pton inet_aton)
1778
1779         dnl *****************************
1780         dnl *** Checks for libxnet    ***
1781         dnl *****************************
1782         case "${host}" in
1783                 *solaris* )
1784                         AC_MSG_CHECKING(for Solaris XPG4 support)
1785                         if test -f /usr/lib/libxnet.so; then
1786                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1787                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1788                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1789                                 LIBS="$LIBS -lxnet"
1790                                 AC_MSG_RESULT(yes)
1791                         else
1792                                 AC_MSG_RESULT(no)
1793                         fi
1794
1795                         if test "$GCC" = "yes"; then
1796                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1797                         fi
1798                 ;;
1799         esac
1800
1801         dnl *****************************
1802         dnl *** Checks for libpthread ***
1803         dnl *****************************
1804 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1805 # and libpthread does not exist
1806 #
1807         case "${host}" in
1808                 *-*-*freebsd*)
1809                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1810                 ;;
1811                 *-*-*openbsd*)
1812                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1813                 ;;
1814                 *)
1815                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1816                 ;;
1817         esac
1818         AC_CHECK_HEADERS(pthread.h)
1819         AC_CHECK_HEADERS(pthread_np.h)
1820         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1821         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1822         AC_CHECK_FUNCS(pthread_kill)
1823         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1824         AC_TRY_COMPILE([ #include <pthread.h>], [
1825                 pthread_mutexattr_t attr;
1826                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1827         ], [
1828                 AC_MSG_RESULT(ok)
1829         ], [
1830                 AC_MSG_RESULT(no)
1831                 AC_ERROR(Posix system lacks support for recursive mutexes)
1832         ])
1833         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1834         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1835         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1836
1837         dnl **********************************
1838         dnl *** Check for mincore ***
1839         dnl **********************************
1840         AC_MSG_CHECKING(for mincore)
1841                 AC_TRY_LINK([
1842                 #include <stdio.h>
1843                 #include <sys/types.h>
1844                 #include <sys/mman.h>
1845         ], [
1846                 mincore(NULL, 0, NULL);
1847         ], [
1848                 # Yes, we have it...
1849                 AC_MSG_RESULT(yes)
1850                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1851         ], [
1852                 AC_MSG_RESULT(no)
1853         ])
1854
1855         dnl ***********************************
1856         dnl *** Checks for working __thread ***
1857         dnl ***********************************
1858         AC_MSG_CHECKING(for working __thread)
1859         if test "x$with_tls" != "x__thread"; then
1860                 AC_MSG_RESULT(disabled)
1861         elif test "x$cross_compiling" = "xyes"; then
1862                 AC_MSG_RESULT(cross compiling, assuming yes)
1863         else
1864                 AC_TRY_RUN([
1865                         #if defined(__APPLE__) && defined(__clang__)
1866                         #error "__thread does not currently work with clang on Mac OS X"
1867                         #endif
1868                         
1869                         #include <pthread.h>
1870                         __thread int i;
1871                         static int res1, res2;
1872
1873                         void thread_main (void *arg)
1874                         {
1875                                 i = arg;
1876                                 sleep (1);
1877                                 if (arg == 1)
1878                                         res1 = (i == arg);
1879                                 else
1880                                         res2 = (i == arg);
1881                         }
1882
1883                         int main () {
1884                                 pthread_t t1, t2;
1885
1886                                 i = 5;
1887
1888                                 pthread_create (&t1, NULL, thread_main, 1);
1889                                 pthread_create (&t2, NULL, thread_main, 2);
1890
1891                                 pthread_join (t1, NULL);
1892                                 pthread_join (t2, NULL);
1893
1894                                 return !(res1 + res2 == 2);
1895                         }
1896                 ], [
1897                                 AC_MSG_RESULT(yes)
1898                 ], [
1899                                 AC_MSG_RESULT(no)
1900                                 with_tls=pthread
1901                 ])
1902         fi
1903
1904         dnl **************************************
1905         dnl *** Checks for working sigaltstack ***
1906         dnl **************************************
1907         AC_MSG_CHECKING(for working sigaltstack)
1908         if test "x$with_sigaltstack" != "xyes"; then
1909                 AC_MSG_RESULT(disabled)
1910         elif test "x$cross_compiling" = "xyes"; then
1911                 AC_MSG_RESULT(cross compiling, assuming yes)
1912         else
1913                 AC_TRY_RUN([
1914                         #include <stdio.h>
1915                         #include <stdlib.h>
1916                         #include <unistd.h>
1917                         #include <signal.h>
1918                         #include <pthread.h>
1919                         #include <sys/wait.h>
1920                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1921                         #define SA_STACK SA_ONSTACK
1922                         #endif
1923                         static void
1924                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1925                         {
1926                                 exit (0);
1927                         }
1928
1929                         volatile char*__ptr = NULL;
1930                         static void *
1931                         loop (void *ignored)
1932                         {
1933                                 *__ptr = 0;
1934                                 return NULL;
1935                         }
1936
1937                         static void
1938                         child ()
1939                         {
1940                                 struct sigaction sa;
1941                         #ifdef __APPLE__
1942                                 stack_t sas;
1943                         #else
1944                                 struct sigaltstack sas;
1945                         #endif
1946                                 pthread_t id;
1947                                 pthread_attr_t attr;
1948
1949                                 sa.sa_sigaction = sigsegv_signal_handler;
1950                                 sigemptyset (&sa.sa_mask);
1951                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1952                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1953                                         perror ("sigaction");
1954                                         return;
1955                                 }
1956
1957                                 /* x86 darwin deliver segfaults using SIGBUS */
1958                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1959                                         perror ("sigaction");
1960                                         return;
1961                                 }
1962                                 sas.ss_sp = malloc (SIGSTKSZ);
1963                                 sas.ss_size = SIGSTKSZ;
1964                                 sas.ss_flags = 0;
1965                                 if (sigaltstack (&sas, NULL) == -1) {
1966                                         perror ("sigaltstack");
1967                                         return;
1968                                 }
1969
1970                                 pthread_attr_init (&attr);
1971                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1972                                         printf ("pthread_create\n");
1973                                         return;
1974                                 }
1975
1976                                 sleep (100);
1977                         }
1978
1979                         int
1980                         main ()
1981                         {
1982                                 pid_t son;
1983                                 int status;
1984                                 int i;
1985
1986                                 son = fork ();
1987                                 if (son == -1) {
1988                                         return 1;
1989                                 }
1990
1991                                 if (son == 0) {
1992                                         child ();
1993                                         return 0;
1994                                 }
1995
1996                                 for (i = 0; i < 300; ++i) {
1997                                         waitpid (son, &status, WNOHANG);
1998                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1999                                                 return 0;
2000                                         usleep (10000);
2001                                 }
2002
2003                                 kill (son, SIGKILL);
2004                                 return 1;
2005                         }
2006
2007                 ], [
2008                                 AC_MSG_RESULT(yes)
2009                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2010                 ], [
2011                                 with_sigaltstack=no
2012                                 AC_MSG_RESULT(no)
2013                 ])
2014         fi
2015
2016         dnl ********************************
2017         dnl *** Checks for semaphore lib ***
2018         dnl ********************************
2019         # 'Real Time' functions on Solaris
2020         # posix4 on Solaris 2.6
2021         # pthread (first!) on Linux
2022         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2023
2024         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2025         AC_CHECK_FUNCS(shm_open)
2026
2027         dnl ********************************
2028         dnl *** Checks for timezone stuff **
2029         dnl ********************************
2030         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2031                 AC_TRY_COMPILE([
2032                         #include <time.h>
2033                         ], [
2034                         struct tm tm;
2035                         tm.tm_gmtoff = 1;
2036                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2037         if test $ac_cv_struct_tm_gmtoff = yes; then
2038                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2039         else
2040                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2041                         AC_TRY_COMPILE([
2042                                 #include <time.h>
2043                         ], [
2044                                 timezone = 1;
2045                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2046                 if test $ac_cv_var_timezone = yes; then
2047                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2048                 else
2049                         AC_ERROR(unable to find a way to determine timezone)
2050                 fi
2051         fi
2052
2053         dnl *********************************
2054         dnl *** Checks for math functions ***
2055         dnl *********************************
2056         AC_SEARCH_LIBS(sqrtf, m)
2057         if test "x$has_broken_apple_cpp" != "xyes"; then
2058                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2059                         AC_TRY_LINK([#include <math.h>], 
2060                         [ finite(0.0); ], 
2061                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2062                         AC_MSG_RESULT(no)))
2063         fi
2064         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2065                 AC_TRY_LINK([#include <math.h>], 
2066                 [ isfinite(0.0); ], 
2067                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2068                 AC_MSG_RESULT(no)))
2069
2070         dnl ****************************************************************
2071         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2072         dnl *** have it in the library (duh))                            ***
2073         dnl ****************************************************************
2074         AC_CHECK_FUNCS(poll)
2075
2076         dnl *************************
2077         dnl *** Check for signbit ***
2078         dnl *************************
2079         AC_MSG_CHECKING(for signbit)
2080         AC_TRY_LINK([#include <math.h>], [
2081                 int s = signbit(1.0);
2082         ], [
2083                 AC_MSG_RESULT(yes)
2084                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2085         ], [
2086                 AC_MSG_RESULT(no)
2087         ]) 
2088
2089         dnl **********************************
2090         dnl *** epoll                      ***
2091         dnl **********************************
2092         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2093                 AC_CHECK_HEADERS(sys/epoll.h)
2094                 haveepoll=no
2095                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2096                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2097                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2098                 fi
2099         fi
2100
2101         havekqueue=no
2102
2103         AC_CHECK_HEADERS(sys/event.h)
2104         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2105
2106         dnl **************************************
2107         dnl * Darwin has a race that prevents us from using reliably:
2108         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2109         dnl * Since kqueue is mostly used for scaling large web servers, 
2110         dnl * and very few folks run Mono on large web servers on OSX, falling
2111         dnl * back 
2112         dnl **************************************
2113         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2114                 if test "x$host_darwin" = "xno"; then
2115                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2116                 fi
2117         fi
2118
2119         dnl ******************************
2120         dnl *** Checks for SIOCGIFCONF ***
2121         dnl ******************************
2122         AC_CHECK_HEADERS(sys/ioctl.h)
2123         AC_CHECK_HEADERS(net/if.h, [], [],
2124            [
2125            #ifdef HAVE_SYS_TYPES_H
2126            # include <sys/types.h>
2127            #endif
2128            #ifdef HAVE_SYS_SOCKET_H
2129            # include <sys/socket.h>
2130            #endif
2131            ])
2132         AC_MSG_CHECKING(for ifreq)
2133         AC_TRY_COMPILE([
2134                 #include <stdio.h>
2135                 #include <sys/ioctl.h>
2136                 #include <net/if.h>
2137                 ], [
2138                 struct ifconf ifc;
2139                 struct ifreq *ifr;
2140                 void *x;
2141                 ifc.ifc_len = 0;
2142                 ifc.ifc_buf = NULL;
2143                 x = (void *) &ifr->ifr_addr;
2144                 ],[
2145                         AC_MSG_RESULT(yes)
2146                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2147                 ], [
2148                         AC_MSG_RESULT(no)
2149                 ])
2150         dnl **********************************
2151         dnl ***     Checks for sin_len     ***
2152         dnl **********************************
2153         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2154         AC_TRY_COMPILE([
2155                 #include <netinet/in.h>
2156                 ], [
2157                 struct sockaddr_in saddr;
2158                 saddr.sin_len = sizeof (saddr);
2159                 ],[
2160                         AC_MSG_RESULT(yes)
2161                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2162                 ], [
2163                         AC_MSG_RESULT(no)
2164                 ])      
2165         dnl **********************************
2166         dnl ***    Checks for sin6_len     ***
2167         dnl **********************************
2168         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2169         AC_TRY_COMPILE([
2170                 #include <netinet/in.h>
2171                 ], [
2172                 struct sockaddr_in6 saddr6;
2173                 saddr6.sin6_len = sizeof (saddr6);
2174                 ],[
2175                         AC_MSG_RESULT(yes)
2176                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2177                 ], [
2178                         AC_MSG_RESULT(no)
2179                 ])
2180         dnl **********************************
2181         dnl *** Check for getifaddrs       ***
2182         dnl **********************************
2183         AC_MSG_CHECKING(for getifaddrs)
2184                 AC_TRY_LINK([
2185                 #include <stdio.h>
2186                 #include <sys/types.h>
2187                 #include <sys/socket.h>
2188                 #include <ifaddrs.h>
2189         ], [
2190                 getifaddrs(NULL);
2191         ], [
2192                 # Yes, we have it...
2193                 AC_MSG_RESULT(yes)
2194                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2195         ], [
2196                 AC_MSG_RESULT(no)
2197         ])
2198         dnl **********************************
2199         dnl *** Check for if_nametoindex   ***
2200         dnl **********************************
2201         AC_MSG_CHECKING(for if_nametoindex)
2202                 AC_TRY_LINK([
2203                 #include <stdio.h>
2204                 #include <sys/types.h>
2205                 #include <sys/socket.h>
2206                 #include <net/if.h>
2207         ], [
2208                 if_nametoindex(NULL);
2209         ], [
2210                 # Yes, we have it...
2211                 AC_MSG_RESULT(yes)
2212                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2213         ], [
2214                 AC_MSG_RESULT(no)
2215         ])
2216                         
2217         dnl **********************************
2218         dnl *** Checks for MonoPosixHelper ***
2219         dnl **********************************
2220         AC_CHECK_HEADERS(checklist.h)
2221         AC_CHECK_HEADERS(pathconf.h)
2222         AC_CHECK_HEADERS(fstab.h)
2223         AC_CHECK_HEADERS(attr/xattr.h)
2224         AC_CHECK_HEADERS(sys/extattr.h)
2225         AC_CHECK_HEADERS(sys/sendfile.h)
2226         AC_CHECK_HEADERS(sys/statvfs.h)
2227         AC_CHECK_HEADERS(sys/statfs.h)
2228         AC_CHECK_HEADERS(sys/vfstab.h)
2229         AC_CHECK_HEADERS(sys/xattr.h)
2230         AC_CHECK_HEADERS(sys/mman.h)
2231         AC_CHECK_HEADERS(sys/param.h)
2232         AC_CHECK_HEADERS(sys/mount.h, [], [],
2233                 [
2234                 #ifdef HAVE_SYS_PARAM_H
2235                 # include <sys/param.h>
2236                 #endif
2237                 ])
2238         AC_CHECK_HEADERS(sys/mount.h)
2239         AC_CHECK_FUNCS(confstr)
2240         AC_CHECK_FUNCS(seekdir telldir)
2241         AC_CHECK_FUNCS(getdomainname)
2242         AC_CHECK_FUNCS(setdomainname)
2243         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2244         AC_CHECK_FUNCS(setgroups)
2245         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2246         AC_CHECK_FUNCS(getfsstat)
2247         AC_CHECK_FUNCS(lutimes futimes)
2248         AC_CHECK_FUNCS(mremap)
2249         AC_CHECK_FUNCS(remap_file_pages)
2250         AC_CHECK_FUNCS(posix_fadvise)
2251         AC_CHECK_FUNCS(posix_fallocate)
2252         AC_CHECK_FUNCS(posix_madvise)
2253         AC_CHECK_FUNCS(vsnprintf)
2254         AC_CHECK_FUNCS(sendfile)
2255         AC_CHECK_FUNCS(gethostid sethostid)
2256         AC_CHECK_FUNCS(sethostname)
2257         AC_CHECK_FUNCS(statfs)
2258         AC_CHECK_FUNCS(fstatfs)
2259         AC_CHECK_FUNCS(statvfs)
2260         AC_CHECK_FUNCS(fstatvfs)
2261         AC_CHECK_FUNCS(stime)
2262         AC_CHECK_FUNCS(strerror_r)
2263         AC_CHECK_FUNCS(ttyname_r)
2264         AC_CHECK_FUNCS(psignal)
2265         AC_CHECK_FUNCS(getlogin_r)
2266         AC_CHECK_FUNCS(lockf)
2267         AC_CHECK_FUNCS(swab)
2268         AC_CHECK_FUNCS(setusershell endusershell)
2269         AC_CHECK_FUNCS(futimens utimensat)
2270         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2271         AC_CHECK_FUNCS(readv writev preadv pwritev)
2272         AC_CHECK_FUNCS(setpgid)
2273         AC_CHECK_FUNCS(system)
2274         AC_CHECK_FUNCS(fork execv execve)
2275         AC_CHECK_FUNCS(accept4)
2276         AC_CHECK_SIZEOF(size_t)
2277         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2278                 [#include <sys/types.h>
2279                  #include <sys/stat.h>
2280                  #include <unistd.h>])
2281         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2282                 [#include <sys/types.h>
2283                  #include <sys/stat.h>
2284                  #include <unistd.h>])
2285         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2286                 [#include <sys/time.h>])
2287         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2288                 [#include <sys/socket.h>])
2289         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2290                 [#include <unistd.h>
2291                  #include <fcntl.h>])
2292         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2293                 [#include <sys/uio.h>])
2294         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2295                 [#include <sys/socket.h>])
2296         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2297                 [#include <sys/poll.h>])
2298         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2299                 [#include <sys/socket.h>])
2300         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2301                 [#include <sys/socket.h>])
2302         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2303                 [#include <netinet/in.h>])
2304         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2305                 [#include <netinet/in.h>])
2306         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2307                 [#include <sys/un.h>])
2308         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2309                 [#include <sys/types.h>
2310                  #include <sys/stat.h>
2311                  #include <unistd.h>])
2312         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2313                 [#include <time.h>])
2314         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2315                 [#include <sys/time.h>
2316                  #include <sys/types.h>
2317                  #include <utime.h>])
2318         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2319                 [#include <sys/time.h>])
2320         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2321                 [#include <sys/types.h>
2322                  #include <utime.h>])
2323         AC_CHECK_MEMBERS(
2324                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2325                 [#include <sys/types.h>
2326                  #include <dirent.h>])
2327         AC_CHECK_MEMBERS(
2328                 [struct passwd.pw_gecos],,, 
2329                 [#include <sys/types.h>
2330                  #include <pwd.h>])
2331         AC_CHECK_MEMBERS(
2332                 [struct statfs.f_flags],,, 
2333                 [#include <sys/types.h>
2334                  #include <sys/vfs.h>])
2335         AC_CHECK_MEMBERS(
2336                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,, 
2337                 [#include <sys/types.h>
2338                  #include <sys/stat.h>
2339                  #include <unistd.h>])
2340
2341         dnl Favour xattr through glibc, but use libattr if we have to
2342         AC_CHECK_FUNC(lsetxattr, ,
2343                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2344         )
2345         AC_SUBST(XATTR_LIB)
2346
2347         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2348         AC_CHECK_MEMBERS(
2349                 [struct kinfo_proc.kp_proc],,, 
2350                 [#include <sys/types.h>
2351                  #include <sys/param.h>
2352                  #include <sys/sysctl.h>
2353                  #include <sys/proc.h>
2354                  ])
2355
2356         dnl *********************************
2357         dnl *** Checks for Windows compilation ***
2358         dnl *********************************
2359         AC_CHECK_HEADERS(sys/time.h)
2360         AC_CHECK_HEADERS(sys/param.h)
2361         AC_CHECK_HEADERS(dirent.h)
2362
2363         dnl ******************************************
2364         dnl *** Checks for OSX and iOS compilation ***
2365         dnl ******************************************
2366         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2367
2368         dnl *********************************
2369         dnl *** Check for Console 2.0 I/O ***
2370         dnl *********************************
2371         AC_CHECK_HEADERS([curses.h])
2372         AC_CHECK_HEADERS([term.h], [], [],
2373         [#if HAVE_CURSES_H
2374          #include <curses.h>
2375          #endif
2376         ])
2377         AC_CHECK_HEADERS([termios.h])
2378 else
2379         dnl *********************************
2380         dnl *** Checks for Windows compilation ***
2381         dnl *********************************
2382         AC_CHECK_HEADERS(winternl.h)
2383
2384         jdk_headers_found=no
2385         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2386         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2387         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2388         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2389         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2390         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2391         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2392
2393         dnl *********************************
2394         dnl *** Check for struct ip_mreqn ***
2395         dnl *********************************
2396         AC_MSG_CHECKING(for struct ip_mreqn)
2397         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2398                 struct ip_mreqn mreq;
2399                 mreq.imr_address.s_addr = 0;
2400         ], [
2401                 # Yes, we have it...
2402                 AC_MSG_RESULT(yes)
2403                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2404         ], [
2405                 # We'll just have to try and use struct ip_mreq
2406                 AC_MSG_RESULT(no)
2407                 AC_MSG_CHECKING(for struct ip_mreq)
2408                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2409                         struct ip_mreq mreq;
2410                         mreq.imr_interface.s_addr = 0;
2411                 ], [
2412                         # Yes, we have it...
2413                         AC_MSG_RESULT(yes)
2414                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2415                 ], [
2416                         # No multicast support
2417                         AC_MSG_RESULT(no)
2418                 ])
2419         ])
2420
2421         dnl **********************************
2422         dnl *** Check for getaddrinfo ***
2423         dnl **********************************
2424         AC_MSG_CHECKING(for getaddrinfo)
2425                 AC_TRY_LINK([
2426                 #include <stdio.h>
2427                 #include <winsock2.h>
2428                 #include <ws2tcpip.h>
2429         ], [
2430                 getaddrinfo(NULL,NULL,NULL,NULL);
2431         ], [
2432                 # Yes, we have it...
2433                 AC_MSG_RESULT(yes)
2434                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2435         ], [
2436                 AC_MSG_RESULT(no)
2437         ])
2438
2439         dnl **********************************
2440         dnl *** Check for gethostbyname ***
2441         dnl **********************************
2442         AC_MSG_CHECKING(for gethostbyname)
2443                 AC_TRY_LINK([
2444                 #include <stdio.h>
2445                 #include <winsock2.h>
2446                 #include <ws2tcpip.h>
2447         ], [
2448                 gethostbyname(NULL);
2449         ], [
2450                 # Yes, we have it...
2451                 AC_MSG_RESULT(yes)
2452                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2453         ], [
2454                 AC_MSG_RESULT(no)
2455         ])
2456
2457         dnl **********************************
2458         dnl *** Check for getprotobyname ***
2459         dnl **********************************
2460         AC_MSG_CHECKING(for getprotobyname)
2461                 AC_TRY_LINK([
2462                 #include <stdio.h>
2463                 #include <winsock2.h>
2464                 #include <ws2tcpip.h>
2465         ], [
2466                 getprotobyname(NULL);
2467         ], [
2468                 # Yes, we have it...
2469                 AC_MSG_RESULT(yes)
2470                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2471         ], [
2472                 AC_MSG_RESULT(no)
2473         ])
2474
2475         dnl **********************************
2476         dnl *** Check for getnameinfo ***
2477         dnl **********************************
2478         AC_MSG_CHECKING(for getnameinfo)
2479                 AC_TRY_LINK([
2480                 #include <stdio.h>
2481                 #include <winsock2.h>
2482                 #include <ws2tcpip.h>
2483         ], [
2484                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2485         ], [
2486                 # Yes, we have it...
2487                 AC_MSG_RESULT(yes)
2488                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2489         ], [
2490                 AC_MSG_RESULT(no)
2491         ])
2492
2493         dnl **********************************
2494         dnl *** Check for inet_ntop ***
2495         dnl **********************************
2496         AC_MSG_CHECKING(for inet_ntop)
2497                 AC_TRY_LINK([
2498                 #include <stdio.h>
2499                 #include <winsock2.h>
2500                 #include <ws2tcpip.h>
2501         ], [
2502                 inet_ntop (0, NULL, NULL, 0);
2503         ], [
2504                 # Yes, we have it...
2505                 AC_MSG_RESULT(yes)
2506                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2507         ], [
2508                 AC_MSG_RESULT(no)
2509         ])
2510
2511         dnl **********************************
2512         dnl *** Check for inet_pton ***
2513         dnl **********************************
2514         AC_MSG_CHECKING(for inet_pton)
2515                 AC_TRY_LINK([
2516                 #include <stdio.h>
2517                 #include <winsock2.h>
2518                 #include <ws2tcpip.h>
2519         ], [
2520                 #ifndef inet_pton
2521                 (void) inet_pton;
2522                 #endif
2523                 inet_pton (0, NULL, NULL);
2524         ], [
2525                 # Yes, we have it...
2526                 AC_MSG_RESULT(yes)
2527                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2528         ], [
2529                 AC_MSG_RESULT(no)
2530         ])
2531
2532         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2533         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2534         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2535         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2536         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2537         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2538         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2539 fi
2540
2541 dnl socklen_t check
2542 AC_MSG_CHECKING(for socklen_t)
2543 AC_TRY_COMPILE([
2544 #include <sys/types.h>
2545 #include <sys/socket.h>
2546 ],[
2547   socklen_t foo;
2548 ],[
2549 ac_cv_c_socklen_t=yes
2550         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2551         AC_MSG_RESULT(yes)
2552 ],[
2553         AC_MSG_RESULT(no)
2554 ])
2555
2556 AC_MSG_CHECKING(for array element initializer support)
2557 AC_TRY_COMPILE([#include <sys/socket.h>], [
2558         const int array[] = {[1] = 2,};
2559 ], [
2560         # Yes, we have it...
2561         AC_MSG_RESULT(yes)
2562         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2563 ], [
2564         # We'll have to use signals
2565         AC_MSG_RESULT(no)
2566 ])
2567
2568 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2569         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2570         AC_TRY_LINK([#include <math.h>], 
2571         [ static void *p = &trunc; ],
2572         [
2573                 AC_DEFINE(HAVE_TRUNC) 
2574                 AC_MSG_RESULT(yes)
2575                 ac_cv_trunc=yes
2576         ],
2577         AC_MSG_RESULT(no)))
2578
2579 if test "x$ac_cv_truncl" != "xyes"; then
2580    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2581 fi
2582
2583 AC_CHECK_FUNCS(execvp)
2584
2585 dnl ****************************
2586 dnl *** Look for /dev/random ***
2587 dnl ****************************
2588
2589 AC_MSG_CHECKING([if usage of random device is requested])
2590 AC_ARG_ENABLE(dev-random,
2591 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2592 try_dev_random=$enableval, try_dev_random=yes)
2593
2594 AC_MSG_RESULT($try_dev_random)
2595
2596 case "{$build}" in
2597     *-openbsd*)
2598     NAME_DEV_RANDOM="/dev/srandom"
2599     ;;
2600
2601 dnl Win32 does not have /dev/random, they have their own method...
2602
2603     *-mingw*|*-*-cygwin*)
2604     ac_cv_have_dev_random=no
2605     ;;
2606
2607 dnl Everywhere else, it's /dev/random
2608
2609     *)
2610     NAME_DEV_RANDOM="/dev/random"
2611     ;;
2612 esac
2613
2614 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2615
2616 dnl Now check if the device actually exists
2617
2618 if test "x$try_dev_random" = "xyes"; then
2619     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2620     [if test -r "$NAME_DEV_RANDOM" ; then
2621         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2622     if test "x$ac_cv_have_dev_random" = "xyes"; then
2623         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2624     fi
2625 else
2626     AC_MSG_CHECKING(for random device)
2627     ac_cv_have_dev_random=no
2628     AC_MSG_RESULT(has been disabled)
2629 fi
2630
2631 if test "x$host_win32" = "xyes"; then
2632     AC_DEFINE(HAVE_CRYPT_RNG)
2633 fi
2634
2635 if test "x$ac_cv_have_dev_random" = "xno" \
2636     && test "x$host_win32" = "xno"; then
2637     AC_MSG_WARN([[
2638 ***
2639 *** A system-provided entropy source was not found on this system.
2640 *** Because of this, the System.Security.Cryptography random number generator
2641 *** will throw a NotImplemented exception.
2642 ***
2643 *** If you are seeing this message, and you know your system DOES have an
2644 *** entropy collection in place, please contact <crichton@gimp.org> and
2645 *** provide information about the system and how to access the random device.
2646 ***
2647 *** Otherwise you can install either egd or prngd and set the environment
2648 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2649 ***]])
2650 fi
2651
2652 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2653
2654 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2655 if test "x$test_perf_events" = "xyes"; then
2656         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2657         AC_SUBST(ENABLE_PERF_EVENTS)
2658 fi
2659
2660 AC_MSG_CHECKING([if big-arrays are to be enabled])
2661 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2662 if test "x$enable_big_arrays" = "xyes" ; then
2663     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2664         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2665     else
2666         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2667     fi
2668 fi
2669 AC_MSG_RESULT($enable_big_arrays)
2670
2671 dnl **************
2672 dnl *** DTRACE ***
2673 dnl **************
2674
2675 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2676
2677 if test "x$enable_dtrace" = "xyes"; then
2678    if test "x$has_dtrace" = "xno"; then
2679           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2680    fi
2681    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2682    if test "x$DTRACE" = "xno"; then
2683           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2684           enable_dtrace=no
2685    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2686           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2687           enable_dtrace=no
2688    fi
2689 fi
2690
2691 dtrace_g=no
2692 if test "x$enable_dtrace" = "xyes"; then
2693         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2694         DTRACEFLAGS=
2695         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2696                 case "$host" in
2697                         powerpc-*-darwin*)
2698                         DTRACEFLAGS="-arch ppc64"
2699                         ;;
2700                         i*86-*-darwin*)
2701                         DTRACEFLAGS="-arch x86_64"
2702                         ;;
2703                         *)
2704                         DTRACEFLAGS=-64
2705                         ;;
2706                 esac
2707         else
2708                 case "$host" in
2709                         powerpc-*-darwin*)
2710                         DTRACEFLAGS="-arch ppc"
2711                         ;;
2712                         i*86-*-darwin*)
2713                         DTRACEFLAGS="-arch i386"
2714                         ;;
2715                         *)
2716                         DTRACEFLAGS=-32
2717                         ;;
2718                 esac
2719         fi
2720         AC_SUBST(DTRACEFLAGS)
2721         case "$host" in
2722                 *-*-solaris*)
2723                 dtrace_g=yes
2724                 ;;
2725         esac
2726         AC_CHECK_HEADERS([sys/sdt.h])
2727 fi
2728 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2729 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2730
2731 dnl **************
2732 dnl ***  NaCl  ***
2733 dnl **************
2734
2735 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2736 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2737
2738 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2739
2740 dnl
2741 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2742 dnl
2743 nacl_self_host=""
2744 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2745    nacl_self_host="nacl_self_host"
2746 fi
2747 AC_SUBST(nacl_self_host)
2748
2749 if test "x$enable_nacl_codegen" = "xyes"; then
2750    MONO_NACL_ALIGN_MASK_OFF=1
2751    AC_DEFINE(TARGET_NACL, 1, [...])
2752    AC_DEFINE(__native_client_codegen__, 1, [...])
2753 fi
2754 if test "x$enable_nacl_gc" = "xyes"; then
2755    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2756       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2757    else
2758       # Not yet implemented
2759       INSTRUMENT_CFLAG=""
2760    fi
2761    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2762 fi
2763 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2764
2765 dnl **************************
2766 dnl *** AOT cross offsets  ***
2767 dnl **************************
2768
2769 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2770     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2771
2772 dnl **************
2773 dnl ***  LLVM  ***
2774 dnl **************
2775
2776 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2777 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2778 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2779 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2780
2781 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2782
2783 if test "x$enable_llvm" = "xdefault"; then
2784    enable_llvm=$enable_llvm_default
2785 fi
2786
2787 if test "x$enable_llvm" = "xyes"; then
2788    if test "x$with_llvm" != "x"; then
2789           LLVM_CONFIG=$with_llvm/bin/llvm-config
2790           if test x$host_win32 = xyes; then
2791                 LLVM_CONFIG=$LLVM_CONFIG.exe
2792           fi
2793           if test ! -x $LLVM_CONFIG; then
2794                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2795       fi
2796    else
2797       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2798       if test "x$LLVM_CONFIG" = "xno"; then
2799              AC_MSG_ERROR([llvm-config not found.])
2800       fi
2801    fi
2802
2803    llvm_codegen="x86codegen"
2804    case "$target" in
2805    arm*)
2806                 llvm_codegen="armcodegen"
2807                 ;;
2808    esac
2809
2810    if test "x$host_win32" = "xno"; then
2811
2812    # Should be something like '2.6' or '2.7svn'
2813    llvm_version=`$LLVM_CONFIG --version`
2814    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2815    AC_MSG_CHECKING(LLVM version)
2816    AC_MSG_RESULT($llvm_version $llvm_api_version)
2817    if echo $llvm_version | grep -q 'mono'; then
2818           if test "x$enable_llvm_version_check" = "xyes"; then
2819                  if test "$llvm_version" != "$expected_llvm_version"; then
2820                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2821                  fi
2822           fi
2823    else
2824           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.])
2825    fi
2826
2827    # The output of --cflags seems to include optimizations flags too
2828    if test $llvm_api_version -gt 100; then
2829           # The --cflags argument includes all kinds of warnings -pendantic etc.
2830           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2831           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2832    else
2833           LLVM_CFLAGS=`$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'`
2834       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2835    fi
2836    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2837    # from LLVM classes.
2838    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2839    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2840    # This might include empty lines
2841    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2842    llvm_jit_supported=yes
2843    llvm_jit_libs="jit mcjit $llvm_codegen"
2844    if test $llvm_api_version -gt 100; then
2845           # Based on llvm 3.9, only aot is currently supported
2846       llvm_jit_libs="orcjit $llvm_codegen"
2847    elif test "x$host" != "x$target"; then
2848       # No need for jit libs
2849           llvm_jit_supported=no
2850       llvm_jit_libs=""
2851    fi
2852    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2853    if test "x$LLVM_LIBS" = "x"; then
2854           echo "$LLVM_CONFIG --libs failed."
2855           exit 1
2856    fi
2857    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2858    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2859    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2860       LLVM_LIBS="$LLVM_LIBS -lc++"
2861    else
2862       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2863    fi
2864
2865    expected_llvm_version="3.4svn-mono-mono/e656cac"
2866
2867    else
2868        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2869        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2870        LLVM_LDFLAGS="-L$with_llvm/lib"
2871        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2872        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2873          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2874          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2875          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2876          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2877          -lLLVMAnalysis -lLLVMTarget \
2878          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2879          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2880          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2881          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2882          -lLLVMSupport -lstdc++"
2883        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2884
2885        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2886        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2887    fi  
2888
2889    if test "x$llvm_api_version" = "x"; then
2890           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2891           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2892    else
2893           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2894           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2895    fi   
2896
2897    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2898
2899    AC_SUBST(LLVM_CFLAGS)
2900    AC_SUBST(LLVM_CXXFLAGS)
2901    AC_SUBST(LLVM_LIBS)
2902    AC_SUBST(LLVM_LDFLAGS)
2903    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2904 fi
2905
2906 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2907 if test "x$enable_loadedllvm" = "xyes"; then
2908    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2909 fi
2910 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2911
2912 if test "x$enable_llvm" = "xyes"; then
2913    enable_llvm_runtime=yes
2914 fi
2915 if test "x$enable_llvm_runtime" = "xyes"; then
2916    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2917 fi
2918 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2919
2920 TARGET="unknown"
2921 ACCESS_UNALIGNED="yes"
2922
2923 LIBC="libc.so.6"
2924 INTL="libc.so.6"
2925 SQLITE="libsqlite.so.0"
2926 SQLITE3="libsqlite3.so.0"
2927 X11="libX11.so"
2928 GDKX11="libgdk-x11-2.0.so.0"
2929 GTKX11="libgtk-x11-2.0.so.0"
2930 XINERAMA="libXinerama.so.1"
2931
2932 sizeof_register="SIZEOF_VOID_P"
2933
2934 jit_wanted=true
2935 boehm_supported=true
2936 case "$host" in
2937         mips*)
2938                 TARGET=MIPS;
2939                 arch_target=mips;
2940                 with_tls=pthread;
2941                 ACCESS_UNALIGNED="no"
2942
2943                 AC_MSG_CHECKING(for mips n32)
2944                 AC_TRY_COMPILE([],[
2945                 #if _MIPS_SIM != _ABIN32
2946                 #error Not mips n32
2947                 #endif
2948                 return 0;
2949                 ],[
2950                 AC_MSG_RESULT(yes)
2951                 sizeof_register=8
2952                 ],[
2953                 AC_MSG_RESULT(no)
2954                 ])
2955                 ;;
2956         i*86-*-*)
2957                 TARGET=X86;
2958                 arch_target=x86;
2959                 case $host_os in
2960                   solaris*)
2961                         LIBC="libc.so"
2962                         INTL="libintl.so"
2963                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2964                                 TARGET=AMD64
2965                                 arch_target=amd64
2966                         fi
2967
2968                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2969                         # int astruct __attribute__ ((visibility ("hidden")));
2970                         # void foo ()
2971                         # {
2972                         #       void *p = &astruct;
2973                         # }
2974                         # gcc -fPIC --shared -o libfoo.so foo.c
2975                         # yields:
2976                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2977                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2978                         have_visibility_hidden=no
2979                         ;;
2980                   mingw*|cygwin*)
2981                         have_visibility_hidden=no                 
2982                         ;;
2983                   haiku*)
2984                         LIBC=libroot.so
2985                         ;;
2986                   linux*)
2987                         AOT_SUPPORTED="yes"
2988                         ;;
2989                   darwin*)
2990                         AOT_SUPPORTED="yes"
2991                         ;;
2992                   openbsd*|freebsd*|kfreebsd-gnu*)
2993                         ;;
2994                 esac
2995                 ;;
2996         x86_64-*-* | amd64-*-*)
2997                 TARGET=AMD64;
2998                 arch_target=amd64;
2999                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3000                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3001                         sizeof_register=8
3002                 fi
3003                 case $host_os in
3004                   linux*)
3005                         AOT_SUPPORTED="yes"
3006                         ;;
3007                   darwin*)
3008                         AOT_SUPPORTED="yes"
3009                         ;;
3010                   openbsd*|freebsd*|kfreebsd-gnu*)
3011                         ;;
3012                   mingw*)
3013                         ;;
3014                 esac
3015                 case "$host" in
3016                         x86_64-*-nacl*)
3017                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3018                                 sizeof_register=8
3019                                 ;;
3020                 esac
3021                 ;;
3022         ia64-*-*)
3023                 TARGET=IA64
3024                 arch_target=ia64
3025                 ACCESS_UNALIGNED="no"
3026                 LIBC="libc.so.6.1"
3027                 INTL="libc.so.6.1"
3028                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3029                 libmono_ldflags="-lunwind"
3030                 ;;
3031         sparc*-*-*)
3032                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3033                    TARGET=SPARC64
3034                 else
3035                         TARGET=SPARC
3036                 fi
3037                 arch_target=sparc;
3038                 ACCESS_UNALIGNED="no"
3039                 case $host_os in
3040                   linux*) ;;
3041                   *)
3042                         LIBC="libc.so"
3043                         INTL="libintl.so"
3044                 esac
3045                 if test x"$GCC" = xyes; then
3046                         # We don't support v8 cpus
3047                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3048                 fi
3049                 if test x"$AR" = xfalse; then
3050                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3051                 fi
3052                 ;;
3053         *-mingw*|*-*-cygwin*)
3054                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3055                 have_visibility_hidden=no
3056                 INTL="intl"
3057                 ;;
3058         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3059         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3060                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3061                         TARGET=POWERPC64;
3062                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3063                         CFLAGS="$CFLAGS -mminimal-toc"
3064                 else
3065                         TARGET=POWERPC;
3066                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3067                 fi
3068                 arch_target=ppc;
3069                 case $host_os in
3070                   linux*|darwin*)
3071                         ;;
3072                 esac
3073                 ;;
3074         armv7k-*-darwin*)
3075                 TARGET=ARM;
3076                 TARGET_SYS=WATCHOS
3077                 arch_target=arm;
3078                 arm_fpu=VFP_HARD
3079                 ACCESS_UNALIGNED="no"
3080                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3081                 ;;
3082
3083         arm*-darwin*)
3084                 TARGET=ARM;
3085                 arch_target=arm;
3086                 ACCESS_UNALIGNED="no"
3087                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3088                 ;;
3089         arm*-linux*)
3090                 TARGET=ARM;
3091                 arch_target=arm;
3092                 ACCESS_UNALIGNED="no"
3093                 AOT_SUPPORTED="yes"
3094                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3095                 ;;
3096         arm*-netbsd*-eabi*)
3097                 TARGET=ARM;
3098                 arch_target=arm;
3099                 ACCESS_UNALIGNED="no"
3100                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3101                 ;;
3102 # TODO: make proper support for NaCl host.
3103 #        arm*-*nacl)
3104 #               TARGET=ARM;
3105 #               arch_target=arm;
3106 #               ACCESS_UNALIGNED="no"
3107 #               AOT_SUPPORTED="no"
3108 #               ;;
3109         aarch64-*)
3110                 # https://lkml.org/lkml/2012/7/15/133
3111                 TARGET=ARM64
3112                 arch_target=arm64
3113                 boehm_supported=false
3114                 AOT_SUPPORTED="yes"
3115                 ;;
3116         s390x-*-linux*)
3117                 TARGET=S390X;
3118                 arch_target=s390x;
3119                 ACCESS_UNALIGNED="yes"
3120                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3121                 ;;
3122 esac
3123
3124 HOST=$TARGET
3125
3126 if test "x$host" != "x$target"; then
3127    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3128    enable_mcs_build=no
3129    case "$target" in
3130    arm*-darwin*)
3131                 TARGET=ARM;
3132                 arch_target=arm;
3133                 ACCESS_UNALIGNED="no"
3134                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3135                 # Can't use tls, since it depends on the runtime detection of tls offsets
3136                 # in mono-compiler.h
3137                 with_tls=pthread
3138                 case "$target" in
3139                 armv7k-*)
3140                         arm_fpu=VFP_HARD
3141                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3142                         ;;
3143                 esac            
3144                 ;;
3145    powerpc64-ps3-linux-gnu)
3146                 TARGET=POWERPC64
3147                 arch_target=powerpc64
3148                 AC_DEFINE(TARGET_PS3, 1, [...])
3149                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3150                 # uses this define
3151                 AC_DEFINE(__mono_ppc64__, 1, [...])
3152                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3153                 sizeof_register=8
3154                 target_byte_order=G_BIG_ENDIAN
3155                 ;;
3156    powerpc64-xbox360-linux-gnu)
3157                 TARGET=POWERPC64
3158                 arch_target=powerpc64
3159                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3160                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3161                 # uses this define
3162                 sizeof_register=8
3163                 target_byte_order=G_BIG_ENDIAN
3164                 ;;
3165    x86_64-*-nacl)
3166                 TARGET=AMD64
3167                 arch_target=amd64
3168                 AC_DEFINE(TARGET_AMD64, 1, [...])
3169                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3170                 sizeof_register=8
3171                 ;;
3172 # TODO: make proper support for NaCl target.
3173 #   arm*-*nacl)
3174 #               TARGET=ARM
3175 #               arch_target=arm
3176 #               AC_DEFINE(TARGET_ARM, 1, [...])
3177 #               ACCESS_UNALIGNED="no"
3178 #               sizeof_register=4
3179 #               CPPFLAGS="$CPPFLAGS \
3180 #                    -D__ARM_EABI__ \
3181 #                    -D__arm__ \
3182 #                    -D__portable_native_client__ \
3183 #                    -Dtimezone=_timezone \
3184 #                    -DDISABLE_SOCKETS \
3185 #                    -DDISABLE_ATTACH \
3186 #                    -DUSE_NEWLIB"
3187                 # Can't use tls, since it depends on the runtime detection of tls offsets
3188                 # in mono-compiler.h
3189 #               with_tls=pthread
3190 #               ;;
3191    i686-*-nacl)
3192                 TARGET=X86
3193                 arch_target=x86
3194                 AC_DEFINE(TARGET_X86, 1, [...])
3195                 sizeof_register=4
3196                 ;;
3197    arm*-linux-*)
3198                 TARGET=ARM;
3199                 arch_target=arm;
3200                 AC_DEFINE(TARGET_ARM, 1, [...])
3201                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3202                 ACCESS_UNALIGNED="no"
3203                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3204                 # Can't use tls, since it depends on the runtime detection of tls offsets
3205                 # in mono-compiler.h
3206                 with_tls=pthread
3207                 target_mach=no
3208                 case "$target" in
3209                 armv7l-unknown-linux-gnueabi*)
3210                         # TEGRA
3211                         CPPFLAGS="$CPPFLAGS"
3212                         ;;
3213                 armv5-*-linux-androideabi*)
3214                         CPPFLAGS="$CPPFLAGS"
3215                         ;;
3216                 esac
3217                 ;;
3218    arm*-netbsd*-eabi*)
3219                 TARGET=ARM;
3220                 arch_target=arm;
3221                 AC_DEFINE(TARGET_ARM, 1, [...])
3222                 ACCESS_UNALIGNED="no"
3223                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3224                 # Can't use tls, since it depends on the runtime detection of tls offsets
3225                 # in mono-compiler.h
3226                 with_tls=pthread
3227                 target_mach=no
3228                 ;;
3229    i686*-linux-*)
3230                 TARGET=X86;
3231                 arch_target=x86;
3232                 AC_DEFINE(TARGET_X86, 1, [...])
3233                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3234                 CPPFLAGS="$CPPFLAGS"
3235                 # Can't use tls, since it depends on the runtime detection of tls offsets
3236                 # in mono-compiler.h            
3237                 with_tls=pthread
3238                 target_mach=no
3239                 ;;
3240    x86_64*-linux-*)
3241                 TARGET=AMD64;
3242                 arch_target=amd64;
3243                 AC_DEFINE(TARGET_AMD64, 1, [...])
3244                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3245                 CPPFLAGS="$CPPFLAGS"
3246                 # Can't use tls, since it depends on the runtime detection of tls offsets
3247                 # in mono-compiler.h
3248                 with_tls=pthread
3249                 target_mach=no
3250                 ;;
3251    x86_64-ps4-freebsd)
3252                 TARGET=AMD64;
3253                 arch_target=amd64;
3254                 AC_DEFINE(TARGET_AMD64, 1, [...])
3255                 AC_DEFINE(TARGET_PS4, 1, [...])
3256                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3257                 CPPFLAGS="$CPPFLAGS"
3258                 # Can't use tls, since it depends on the runtime detection of tls offsets
3259                 # in mono-compiler.h
3260                 with_tls=pthread
3261                 target_mach=no
3262                 target_win32=no
3263                 ;;
3264    aarch64*-linux-*)
3265                 TARGET=ARM64;
3266                 arch_target=arm64;
3267                 AC_DEFINE(TARGET_ARM64, 1, [...])
3268                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3269                 CPPFLAGS="$CPPFLAGS"
3270                 # Can't use tls, since it depends on the runtime detection of tls offsets
3271                 # in mono-compiler.h
3272                 with_tls=pthread
3273                 target_mach=no
3274                 ;;
3275         aarch64-*)
3276                 TARGET=ARM64
3277                 ;;
3278         *)
3279                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3280         esac
3281 fi
3282
3283 case "$TARGET" in
3284 X86)
3285         AC_DEFINE(TARGET_X86, 1, [...])
3286         ;;
3287 AMD64)
3288         AC_DEFINE(TARGET_AMD64, 1, [...])
3289         ;;
3290 ARM)
3291         AC_DEFINE(TARGET_ARM, 1, [...])
3292         ;;
3293 ARM64)
3294         AC_DEFINE(TARGET_ARM64, 1, [...])
3295         ;;
3296 POWERPC)
3297         AC_DEFINE(TARGET_POWERPC, 1, [...])
3298         ;;
3299 POWERPC64)
3300         AC_DEFINE(TARGET_POWERPC, 1, [...])
3301         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3302         ;;
3303 S390X)
3304         AC_DEFINE(TARGET_S390X, 1, [...])
3305         ;;
3306 MIPS)
3307         AC_DEFINE(TARGET_MIPS, 1, [...])
3308         ;;
3309 IA64)
3310         AC_DEFINE(TARGET_IA64, 1, [...])
3311         ;;
3312 SPARC)
3313         AC_DEFINE(TARGET_SPARC, 1, [...])
3314         ;;
3315 SPARC64)
3316         AC_DEFINE(TARGET_SPARC64, 1, [...])
3317         ;;
3318 esac
3319
3320 case "$HOST" in
3321 X86)
3322         AC_DEFINE(HOST_X86, 1, [...])
3323         ;;
3324 AMD64)
3325         AC_DEFINE(HOST_AMD64, 1, [...])
3326         ;;
3327 ARM)
3328         AC_DEFINE(HOST_ARM, 1, [...])
3329         ;;
3330 ARM64)
3331         AC_DEFINE(HOST_ARM64, 1, [...])
3332         ;;
3333 POWERPC)
3334         AC_DEFINE(HOST_POWERPC, 1, [...])
3335         ;;
3336 POWERPC64)
3337         AC_DEFINE(HOST_POWERPC, 1, [...])
3338         AC_DEFINE(HOST_POWERPC64, 1, [...])
3339         ;;
3340 S390X)
3341         AC_DEFINE(HOST_S390X, 1, [...])
3342         ;;
3343 MIPS)
3344         AC_DEFINE(HOST_MIPS, 1, [...])
3345         ;;
3346 IA64)
3347         AC_DEFINE(HOST_IA64, 1, [...])
3348         ;;
3349 SPARC)
3350         AC_DEFINE(HOST_SPARC, 1, [...])
3351         ;;
3352 SPARC64)
3353         AC_DEFINE(HOST_SPARC64, 1, [...])
3354         ;;
3355 esac
3356
3357
3358
3359 dnl *************
3360 dnl *** VTUNE ***
3361 dnl *************
3362
3363 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3364 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3365
3366 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3367
3368 if test "x$enable_vtune" = "xyes"; then
3369         if test "x$with_vtune" = "x"; then
3370                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3371         else
3372                 VTUNE_PATH=$with_vtune
3373         fi
3374         VTUNE_INCLUDE=$VTUNE_PATH/include
3375         case "$TARGET" in
3376         X86)
3377                 VTUNE_LIB=$VTUNE_PATH/lib32
3378                 ;;
3379         AMD64)
3380                 VTUNE_LIB=$VTUNE_PATH/lib64
3381                 ;;
3382         *)
3383                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3384                 ;;
3385         esac
3386         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3387                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3388         fi
3389         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3390                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3391         fi
3392
3393         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3394         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3395
3396         AC_SUBST(VTUNE_LIBS)
3397         AC_SUBST(VTUNE_CFLAGS)
3398 fi
3399 dnl Use GCC atomic ops if they work on the target.
3400 if test x$GCC = "xyes"; then
3401         case $TARGET in
3402         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3403                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3404                 ;;
3405         esac
3406 fi
3407
3408 if test "x$target_mach" = "xyes"; then
3409
3410    if test "x$TARGET_SYS" = "xWATCHOS"; then
3411           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3412           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3413           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3414    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3415           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3416           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3417           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3418    else
3419        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3420        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3421        #error fail this for ios
3422        #endif
3423        return 0;
3424        ], [
3425                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3426           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3427           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3428        ], [
3429           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3430           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3431           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3432        ])
3433         fi
3434    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3435 fi
3436
3437 if test "x$sizeof_register" = "x4"; then
3438    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3439 elif test "x$sizeof_register" = "x8"; then
3440    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3441 else
3442    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3443 fi
3444
3445 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3446    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3447 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3448    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3449 else
3450    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3451 fi
3452
3453 if test "x$have_visibility_hidden" = "xyes"; then
3454    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3455 fi
3456
3457 if test "x$have_deprecated" = "xyes"; then
3458    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3459 fi
3460
3461 dnl 
3462 dnl Simple Generational checks (sgen)
3463 dnl
3464 SGEN_DEFINES=
3465 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3466 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3467 if test x$buildsgen = xyes; then
3468    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3469    SGEN_DEFINES="-DHAVE_SGEN_GC"
3470
3471         conc_gc_msg=""
3472    if test x$with_sgen_default_concurrent != xno; then
3473        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3474            conc_gc_msg=" (concurrent by default)"
3475    fi
3476
3477    if test "x$gc_msg" = "x"; then
3478       gc_msg="sgen$conc_gc_msg"
3479    else
3480       gc_msg="sgen$conc_gc_msg and $gc_msg"
3481    fi
3482 fi
3483 AC_SUBST(SGEN_DEFINES)
3484 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3485
3486 jit_status="Building and using the JIT"
3487
3488 libsuffix=".so"
3489
3490 case "$host" in
3491      *-*-darwin*)
3492         libsuffix=".dylib"
3493         LIBC="libc.dylib"
3494         INTL="libintl.dylib"
3495         SQLITE="libsqlite.0.dylib"
3496         SQLITE3="libsqlite3.0.dylib"
3497         X11="libX11.dylib"
3498         GDKX11="libgdk-x11-2.0.dylib"
3499         GTKX11="libgtk-x11-2.0.dylib"
3500         ;;
3501      *-*-*netbsd*)
3502         LIBC="libc.so"
3503         INTL="libintl.so"
3504         SQLITE="libsqlite.so"
3505         SQLITE3="libsqlite3.so"
3506         ;;
3507      *-*-kfreebsd*-gnu)
3508         LIBC="libc.so.0.1"
3509         INTL="libc.so.0.1"
3510         X11="libX11.so.6"
3511         ;;
3512     *-*-*freebsd*)
3513         LIBC="libc.so.7"
3514         INTL="libintl.so"
3515         SQLITE="libsqlite.so"
3516         SQLITE3="libsqlite3.so"
3517         ;;
3518     *-*-*openbsd*)
3519         LIBC="libc.so"
3520         INTL="libintl.so"
3521         SQLITE="libsqlite.so"
3522         SQLITE3="libsqlite3.so"
3523         ;;
3524     *-*-*linux*)
3525         AC_PATH_X
3526         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3527         AC_MSG_CHECKING(for the soname of libX11.so)
3528         for i in $x_libraries $dlsearch_path; do
3529                 for r in 4 5 6; do
3530                         if test -f $i/libX11.so.$r; then
3531                                 X11=libX11.so.$r
3532                                 AC_MSG_RESULT($X11)
3533                         fi
3534                 done
3535         done
3536         
3537         if test "x$X11" = "xlibX11.so"; then
3538                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3539                 X11=libX11.so.6
3540         fi
3541         ;;
3542 esac
3543
3544
3545 AC_SUBST(libsuffix)
3546
3547 AC_ARG_WITH([libgdiplus],
3548         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3549         [], [with_libgdiplus=installed])
3550
3551 # default install location
3552 libgdiplus_install_loc=libgdiplus${libsuffix}
3553 case "$host" in
3554     *-*-*linux*)
3555     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3556     ;;
3557 esac
3558
3559 case $with_libgdiplus in
3560     no|installed)
3561     libgdiplus_loc=
3562     ;;
3563
3564     yes|sibling)
3565     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3566     ;;
3567
3568     /*) # absolute path, assume it is an install location
3569     libgdiplus_loc=$with_libgdiplus
3570     libgdiplus_install_loc=$with_libgdiplus
3571     ;;
3572
3573     *)
3574     libgdiplus_loc=`pwd`/$with_libgdiplus
3575     ;;
3576 esac
3577 AC_SUBST([libgdiplus_loc])
3578 AC_SUBST([libgdiplus_install_loc])
3579
3580 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3581 if test "x$icall_symbol_map" = "xyes"; then
3582    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3583 fi
3584
3585 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3586 if test "x$icall_export" = "xyes"; then
3587    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3588 fi
3589
3590 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3591 if test "x$icall_tables" = "xno"; then
3592    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3593 fi
3594
3595 if test "x$with_tls" = "x__thread"; then
3596         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3597         # Pass the information to libgc
3598         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3599         AC_MSG_CHECKING(if the tls_model attribute is supported)
3600         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3601                 ], [
3602                         AC_MSG_RESULT(yes)
3603                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3604                 ], [
3605                         AC_MSG_RESULT(no)
3606         ])
3607 fi
3608
3609 if test ${TARGET} = ARM; then
3610         dnl ******************************************
3611         dnl *** Check to see what FPU is available ***
3612         dnl ******************************************
3613         AC_MSG_CHECKING(which FPU to use)
3614
3615         #
3616         # This is a bit tricky:
3617         #
3618         # if (__ARM_PCS_VFP) {
3619         #       /* mfloat-abi=hard == VFP with hard ABI */
3620         # } elif (!__SOFTFP__) {
3621         #       /* mfloat-abi=softfp == VFP with soft ABI */
3622         # } else {
3623         #       /* mfloat-abi=soft == no VFP */
3624         # }
3625         #
3626         # The exception is iOS (w/ GCC) where none of the above
3627         # are defined (but iOS always uses the 'softfp' ABI).
3628         #
3629         # No support for FPA.
3630         #
3631
3632         fpu=NONE
3633
3634         # iOS GCC always uses the 'softfp' ABI.
3635         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3636                 fpu=VFP
3637         fi
3638
3639         # Are we using the 'hard' ABI?
3640         if test x$fpu = xNONE; then
3641                 AC_TRY_COMPILE([], [
3642                         #ifndef __ARM_PCS_VFP
3643                         #error "Float ABI is not 'hard'"
3644                         #endif
3645                         return 0;
3646                 ], [
3647                         fpu=VFP_HARD
3648                 ], [
3649                         fpu=NONE
3650                 ])
3651         fi
3652
3653         # No 'hard' ABI. 'soft' or 'softfp'?
3654         if test x$fpu = xNONE; then
3655                 AC_TRY_COMPILE([], [
3656                         #ifdef __SOFTFP__
3657                         #error "Float ABI is not 'softfp'"
3658                         #endif
3659                         return 0;
3660                 ], [
3661                         fpu=VFP
3662                 ], [
3663                         fpu=NONE
3664                 ])
3665         fi
3666
3667         if test x$arm_fpu != x; then
3668            fpu=$arm_fpu
3669         fi
3670
3671         AC_MSG_RESULT($fpu)
3672         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3673         unset fpu
3674
3675         dnl *********************************************
3676         dnl *** Check which ARM version(s) we can use ***
3677         dnl *********************************************
3678         AC_MSG_CHECKING(which ARM version to use)
3679
3680         AC_TRY_COMPILE([], [
3681                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3682                 #error Not on ARM v5.
3683                 #endif
3684                 return 0;
3685         ], [
3686                 arm_v5=yes
3687
3688                 arm_ver=ARMv5
3689         ], [])
3690
3691         AC_TRY_COMPILE([], [
3692                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3693                 #error Not on ARM v6.
3694                 #endif
3695                 return 0;
3696         ], [
3697                 arm_v5=yes
3698                 arm_v6=yes
3699
3700                 arm_ver=ARMv6
3701         ], [])
3702
3703         AC_TRY_COMPILE([], [
3704                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3705                 #error Not on ARM v7.
3706                 #endif
3707                 return 0;
3708         ], [
3709                 arm_v5=yes
3710                 arm_v6=yes
3711                 arm_v7=yes
3712
3713                 arm_ver=ARMv7
3714         ], [])
3715
3716         AC_MSG_RESULT($arm_ver)
3717
3718         if test x$arm_v5 = xyes; then
3719                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3720                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3721         fi
3722
3723         if test x$arm_v6 = xyes; then
3724                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3725                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3726         fi
3727
3728         if test x$arm_v7 = xyes; then
3729                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3730                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3731         fi
3732 fi
3733
3734 if test ${TARGET} = unknown; then
3735         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3736         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3737 fi
3738
3739 if test ${ACCESS_UNALIGNED} = no; then
3740         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3741 fi
3742
3743 case "x$libgc" in
3744         xincluded)
3745                 # Pass CPPFLAGS to libgc configure
3746                 # We should use a separate variable for this to avoid passing useless and
3747                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3748                 # This should be executed late so we pick up the final version of CPPFLAGS
3749                 # The problem with this approach, is that during a reconfigure, the main
3750                 # configure scripts gets invoked with these arguments, so we use separate
3751                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3752                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3753                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3754                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3755                 fi
3756                 # Don't pass -finstrument-for-thread-suspension in, 
3757                 # if these are instrumented it will be very bad news 
3758                 # (infinite recursion, undefined parking behavior, etc)
3759                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3760                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3761                 if test "x$support_boehm" = "xyes"; then
3762                         AC_CONFIG_SUBDIRS(libgc)
3763                 fi
3764                 ;;
3765 esac
3766
3767 MALLOC_MEMPOOLS=no
3768 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3769         if test x$with_malloc_mempools = xyes; then
3770                 MALLOC_MEMPOOLS=yes
3771                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3772         fi
3773 ])
3774
3775
3776 DISABLE_MCS_DOCS=default
3777 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3778         if test x$with_mcs_docs != xyes; then
3779                 DISABLE_MCS_DOCS=yes
3780         fi
3781 ])
3782 if test -n "$INSTALL_4_x_TRUE"; then :
3783         DISABLE_MCS_DOCS=yes
3784 fi
3785 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3786    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3787 fi
3788
3789 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3790         if test x$with_lazy_gc_thread_creation != xno ; then
3791                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3792         fi
3793 ], [with_lazy_gc_thread_creation=no])
3794
3795 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])
3796
3797 if test x$with_cooperative_gc = xdefault; then
3798         with_cooperative_gc=$with_cooperative_gc_default
3799 fi
3800
3801 if test x$with_cooperative_gc != xno; then
3802         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3803 fi
3804
3805 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3806
3807 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],[
3808
3809         if test x$enable_checked_build != x ; then
3810                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3811         fi
3812         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3813                 eval "mono_checked_build_test_enable_$feature='yes'"
3814         done
3815
3816         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3817                 eval "mono_checked_build_test_enable_gc='yes'"
3818                 eval "mono_checked_build_test_enable_metadata='yes'"
3819                 eval "mono_checked_build_test_enable_thread='yes'"
3820         fi
3821
3822         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3823                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3824         fi
3825
3826         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3827                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3828         fi
3829
3830         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3831                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3832         fi
3833
3834 ], [])
3835
3836 AC_CHECK_HEADER([malloc.h], 
3837                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
3838                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3839
3840 if test x"$GCC" = xyes; then
3841         # Implicit function declarations are not 64 bit safe
3842         # Do this late, since this causes lots of configure tests to fail
3843         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3844         # jay has a lot of implicit declarations
3845         JAY_CFLAGS="-Wno-implicit-function-declaration"
3846 fi
3847
3848 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3849 # instead of libmono-static.a
3850 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3851    LIBMONO_LA=libmini-static.la
3852 else
3853    if test x$buildsgen = xyes; then
3854       LIBMONO_LA=libmonosgen-$API_VER.la
3855    else
3856       LIBMONO_LA=libmonoboehm-$API_VER.la
3857    fi
3858 fi
3859 AC_SUBST(LIBMONO_LA)
3860
3861 if test x$DISABLE_MCS_DOCS = xyes; then
3862    docs_dir=""
3863 else
3864    docs_dir=docs
3865 fi
3866 AC_SUBST(docs_dir)
3867
3868 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3869 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3870
3871 libmono_ldflags="$libmono_ldflags $LIBS"
3872
3873 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3874 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3875 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3876 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3877 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3878 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3879 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3880 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3881 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3882 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3883 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3884 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3885 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3886 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3887 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3888 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3889 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3890 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3891
3892 AC_SUBST(LIBC)
3893 AC_SUBST(INTL)
3894 AC_SUBST(SQLITE)
3895 AC_SUBST(SQLITE3)
3896 AC_SUBST(X11)
3897 AC_SUBST(GDKX11)
3898 AC_SUBST(GTKX11)
3899 AC_SUBST(XINERAMA)
3900 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3901 AC_SUBST(arch_target)
3902 AC_SUBST(CFLAGS)
3903 AC_SUBST(CPPFLAGS)
3904 AC_SUBST(LDFLAGS)
3905
3906 #This must always be defined when building the runtime
3907 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3908
3909 mono_build_root=`pwd`
3910 AC_SUBST(mono_build_root)
3911
3912 mono_runtime=mono/mini/mono
3913 AC_SUBST(mono_runtime)
3914
3915 mono_cfg_root=$mono_build_root/runtime
3916 if test x$host_win32 = xyes; then
3917   if test "x$cross_compiling" = "xno"; then
3918     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3919   else
3920     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3921   fi
3922 else
3923   mono_cfg_dir=$mono_cfg_root/etc
3924 fi
3925 AC_SUBST(mono_cfg_dir)
3926
3927 AC_CONFIG_FILES([po/mcs/Makefile.in])
3928
3929 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3930 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3931
3932 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3933 [   depth=../../../..
3934     case $srcdir in
3935     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3936     .) reldir=$depth ;;
3937     *) reldir=$depth/$srcdir ;;
3938     esac
3939     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3940     cd runtime/etc/mono/1.0
3941     rm -f machine.config
3942     $LN_S $reldir/data/net_1_1/machine.config machine.config
3943     cd $depth
3944 ],[LN_S='$LN_S'])
3945
3946 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3947 [   depth=../../../..
3948     case $srcdir in
3949     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3950     .) reldir=$depth ;;
3951     *) reldir=$depth/$srcdir ;;
3952     esac
3953     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3954     cd runtime/etc/mono/2.0
3955     rm -f machine.config
3956     $LN_S $reldir/data/net_2_0/machine.config machine.config
3957     cd $depth
3958 ],[LN_S='$LN_S'])
3959
3960 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3961 [   depth=../../../..
3962     case $srcdir in
3963     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3964     .) reldir=$depth ;;
3965     *) reldir=$depth/$srcdir ;;
3966     esac
3967     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3968     cd runtime/etc/mono/2.0
3969     rm -f web.config
3970     $LN_S $reldir/data/net_2_0/web.config web.config
3971     cd $depth
3972 ],[LN_S='$LN_S'])
3973
3974 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3975 [   depth=../../..
3976     case $srcdir in
3977     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3978     .) reldir=$depth ;;
3979     *) reldir=$depth/$srcdir ;;
3980     esac
3981     $ac_aux_dir/install-sh -d runtime/etc/mono/
3982     cd runtime/etc/mono/
3983     rm -f browscap.ini
3984     $LN_S $reldir/data/browscap.ini browscap.ini
3985     cd $depth
3986 ],[LN_S='$LN_S'])
3987
3988 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3989 [   depth=../../../../..
3990     case $srcdir in
3991     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3992     .) reldir=$depth ;;
3993     *) reldir=$depth/$srcdir ;;
3994     esac
3995     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3996     cd runtime/etc/mono/2.0/Browsers
3997     rm -f Compat.browser
3998     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3999     cd $depth
4000 ],[LN_S='$LN_S'])
4001
4002 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4003 [   depth=../../../../..
4004     case $srcdir in
4005     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4006     .) reldir=$depth ;;
4007     *) reldir=$depth/$srcdir ;;
4008     esac
4009     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4010     cd runtime/etc/mono/4.0/Browsers
4011     rm -f Compat.browser
4012     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4013     cd $depth
4014 ],[LN_S='$LN_S'])
4015
4016 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4017 [   depth=../../../../..
4018     case $srcdir in
4019     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4020     .) reldir=$depth ;;
4021     *) reldir=$depth/$srcdir ;;
4022     esac
4023     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4024     cd runtime/etc/mono/4.5/Browsers
4025     rm -f Compat.browser
4026     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4027     cd $depth
4028 ],[LN_S='$LN_S'])
4029
4030 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4031 [   depth=../../../..
4032     case $srcdir in
4033     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4034     .) reldir=$depth ;;
4035     *) reldir=$depth/$srcdir ;;
4036     esac
4037     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4038     cd runtime/etc/mono/4.0
4039     rm -f machine.config
4040     $LN_S $reldir/data/net_4_0/machine.config machine.config
4041     cd $depth
4042 ],[LN_S='$LN_S'])
4043
4044 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4045 [   depth=../../../..
4046     case $srcdir in
4047     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4048     .) reldir=$depth ;;
4049     *) reldir=$depth/$srcdir ;;
4050     esac
4051     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4052     cd runtime/etc/mono/4.0
4053     rm -f web.config
4054     $LN_S $reldir/data/net_4_0/web.config web.config
4055     cd $depth
4056 ],[LN_S='$LN_S'])
4057
4058 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4059 [   depth=../../../..
4060     case $srcdir in
4061     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4062     .) reldir=$depth ;;
4063     *) reldir=$depth/$srcdir ;;
4064     esac
4065     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4066     cd runtime/etc/mono/4.5
4067     rm -f machine.config
4068     $LN_S $reldir/data/net_4_5/machine.config machine.config
4069     cd $depth
4070 ],[LN_S='$LN_S'])
4071
4072 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4073 [   depth=../../../..
4074     case $srcdir in
4075     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4076     .) reldir=$depth ;;
4077     *) reldir=$depth/$srcdir ;;
4078     esac
4079     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4080     cd runtime/etc/mono/4.5
4081     rm -f web.config
4082     $LN_S $reldir/data/net_4_5/web.config web.config
4083     cd $depth
4084 ],[LN_S='$LN_S'])
4085
4086 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])
4087 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])
4088
4089 AC_OUTPUT([
4090 Makefile
4091 mono-uninstalled.pc
4092 acceptance-tests/Makefile
4093 llvm/Makefile
4094 scripts/mono-find-provides
4095 scripts/mono-find-requires
4096 mono/Makefile
4097 mono/utils/Makefile
4098 mono/metadata/Makefile
4099 mono/dis/Makefile
4100 mono/cil/Makefile
4101 mono/arch/Makefile
4102 mono/arch/x86/Makefile
4103 mono/arch/amd64/Makefile
4104 mono/arch/ppc/Makefile
4105 mono/arch/sparc/Makefile
4106 mono/arch/s390x/Makefile
4107 mono/arch/arm/Makefile
4108 mono/arch/arm64/Makefile
4109 mono/arch/ia64/Makefile
4110 mono/arch/mips/Makefile
4111 mono/sgen/Makefile
4112 mono/tests/Makefile
4113 mono/tests/tests-config
4114 mono/tests/assemblyresolve/Makefile
4115 mono/tests/gc-descriptors/Makefile
4116 mono/unit-tests/Makefile
4117 mono/benchmark/Makefile
4118 mono/io-layer/Makefile
4119 mono/mini/Makefile
4120 mono/profiler/Makefile
4121 m4/Makefile
4122 ikvm-native/Makefile
4123 scripts/Makefile
4124 man/Makefile
4125 docs/Makefile
4126 data/Makefile
4127 data/net_2_0/Makefile
4128 data/net_4_0/Makefile
4129 data/net_4_5/Makefile
4130 data/net_2_0/Browsers/Makefile
4131 data/net_4_0/Browsers/Makefile
4132 data/net_4_5/Browsers/Makefile
4133 data/mint.pc
4134 data/mono-2.pc
4135 data/monosgen-2.pc
4136 data/mono.pc
4137 data/mono-cairo.pc
4138 data/mono-nunit.pc
4139 data/mono-options.pc
4140 data/mono-lineeditor.pc
4141 data/monodoc.pc
4142 data/dotnet.pc
4143 data/dotnet35.pc
4144 data/wcf.pc
4145 data/cecil.pc
4146 data/system.web.extensions_1.0.pc
4147 data/system.web.extensions.design_1.0.pc
4148 data/system.web.mvc.pc
4149 data/system.web.mvc2.pc
4150 data/system.web.mvc3.pc
4151 data/aspnetwebstack.pc
4152 data/reactive.pc
4153 samples/Makefile
4154 support/Makefile
4155 data/config
4156 tools/Makefile
4157 tools/locale-builder/Makefile
4158 tools/sgen/Makefile
4159 tools/monograph/Makefile
4160 tools/pedump/Makefile
4161 runtime/Makefile
4162 msvc/Makefile
4163 po/Makefile
4164 ])
4165
4166 # Update all submodules recursively to ensure everything is checked out
4167 $srcdir/scripts/update_submodules
4168
4169 if test x$host_win32 = xyes; then
4170    # Get rid of 'cyg' prefixes in library names
4171    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4172    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4173    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4174    # executable doesn't work...
4175    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4176 fi
4177
4178 if test x$host_darwin = xyes; then
4179    # This doesn't seem to be required and it slows down parallel builds
4180    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4181 fi
4182
4183 (
4184   case $prefix in
4185   NONE) prefix=$ac_default_prefix ;;
4186   esac
4187   case $exec_prefix in
4188   NONE) exec_prefix='${prefix}' ;;
4189   esac
4190
4191   #
4192   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4193   # any existing config.make.  This allows people to share the same source tree
4194   # with different build directories, one native and one cross
4195   #
4196   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4197
4198     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4199
4200     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4201     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4202     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4203     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4204     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4205     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4206     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4207     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4208
4209     case $INSTALL in
4210     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4211     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4212     esac
4213
4214     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4215
4216     export VERSION
4217     [myver=$($AWK 'BEGIN {
4218       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4219       if(length(vsplit [1]) > 4) {
4220         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4221       }
4222       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4223     }')]
4224
4225     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4226
4227     if test x$host_darwin = xyes; then
4228       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4229     fi
4230
4231     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4232       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4233     fi
4234
4235         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4236            enable_system_aot=yes
4237         fi
4238
4239     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4240       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4241     fi
4242
4243     if test x$DISABLE_MCS_DOCS = xyes; then
4244       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4245     fi
4246
4247     if test x$has_extension_module != xno; then
4248         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4249     fi
4250     
4251     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4252     
4253     if test "x$test_bcl_opt" = "xyes"; then    
4254       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4255     fi
4256
4257     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4258       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4259       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4260     fi
4261
4262   fi
4263
4264 )
4265
4266 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4267
4268 echo "
4269         mcs source:    $mcsdir
4270
4271    Engine:
4272         Host:          $host
4273         Target:        $target
4274         GC:            $gc_msg 
4275         TLS:           $with_tls
4276         SIGALTSTACK:   $with_sigaltstack
4277         Engine:        $jit_status
4278         BigArrays:     $enable_big_arrays
4279         DTrace:        $enable_dtrace
4280         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4281
4282    Libraries:
4283         .NET 4.x:        $with_profile4_x
4284         Xamarin.Android: $with_monodroid
4285         Xamarin.iOS:     $with_monotouch
4286         Xamarin.WatchOS: $with_monotouch_watch
4287         Xamarin.TVOS:    $with_monotouch_tv
4288         Xamarin.Mac:     $with_xammac
4289         mobile_static:   $with_mobile_static
4290         JNI support:     $jdk_headers_found
4291         libgdiplus:      $libgdiplus_msg
4292         zlib:            $zlib_msg
4293         $disabled
4294 "
4295 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4296    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4297 fi