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