Add tailcall support & fix floating point ABI (#7695)
[mono-project.git] / configure.ac
blobeb7401389c733952fe95827452ce933290b5afbb
1 # Process this file with autoconf to produce a configure script.
2 #AC_PREREQ([2.62])
4 AC_INIT(mono, [5.13.0],
5         [https://github.com/mono/mono/issues/new])
7 AC_CONFIG_SRCDIR([README.md])
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_CANONICAL_SYSTEM
10 AC_CANONICAL_HOST
12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
13 # The extra brackets are to foil regex-based scans.
14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
21 AC_CONFIG_HEADERS([config.h])
22 AM_MAINTAINER_MODE
24 API_VER=2.0
25 AC_SUBST(API_VER)
27 AC_PROG_LN_S
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
35 # This is the version number of the corlib-runtime interface. When
36 # making changes to this interface (by changing the layout
37 # of classes the runtime knows about, changing icall signature or
38 # semantics etc), increment this variable.
40 # This can be reset to 0 when Mono's version number is bumped
41 # since it's part of the corlib version (the prefix '1' in the full
42 # version number is to ensure the number isn't treated as octal in C)
43 MONO_CORLIB_COUNTER=3
44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR 0 $MONO_CORLIB_COUNTER`
46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
47 AC_SUBST(MONO_CORLIB_VERSION)
49 case $host_os in
50 *cygwin* )
51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
52                  exit 1
53 esac
55 # In case of cygwin, override LN_S, irrespective of what it determines.
56 # The build uses cygwin, but the actual runtime doesn't.
57 case $host_os in
58 *cygwin* ) LN_S='cp -p';;
59 esac
62 # libgc defaults
64 libgc_configure_args=
66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
69 CFLAGS_FOR_LIBGC=$CFLAGS
70 CPPFLAGS_FOR_BTLS=$CPPFLAGS
71 CFLAGS_FOR_BTLS=$CFLAGS
73 # libgc uses some deprecated APIs
74 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
77 # These are the flags that need to be stored in the mono.pc file for 
78 # compiling code that will embed Mono
80 libmono_cflags=""
81 libmono_ldflags=""
82 AC_SUBST(libmono_cflags)
83 AC_SUBST(libmono_ldflags)
85 # Variable to have relocatable .pc files (lib, or lib64)
86 # realpath isn't always available, and requires that all but the tip of the provided
87 # path exists. Fall back to the old behaviour, but realpath allows depth >1
88 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
89 # too deep for the old method to work
90 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
91 AC_SUBST(reloc_libdir)
93 # Set to yes if Unix sockets cannot be created in an anonymous namespace
94 need_link_unlink=no
96 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
97 extra_runtime_ldflags=""
100 # Hack for WASM
101 # Current autotools (v1.15) doesn't have a triplet we can use for wasm so the kludge we do is to
102 # work around it by using a feature flag instead
103 AC_ARG_ENABLE(wasm,[  --enable-wasm    Hack to set the current runtime to target wasm], enable_wasm=$enableval)
105 # Thread configuration inspired by sleepycat's db
106 AC_MSG_CHECKING([host platform characteristics])
108 libgc_threads=no
109 has_dtrace=no
110 parallel_mark=yes
111 ikvm_native=yes
113 host_win32=no
114 target_win32=no
115 platform_android=no
116 platform_tizen=no
117 platform_ios=no
118 host_darwin=no
121 if test "x$enable_wasm" = "xyes"; then
122 CFLAGS="$CFLAGS -D_REENTRANT -D_GNU_SOURCE -DNO_UNALIGNED_ACCESS -s WASM=1"
123 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DUSE_MMAP -D_GNU_SOURCE -DNO_UNALIGNED_ACCESS -s WASM=1"
124 libdl="-ldl"
125 libgc_threads=pthreads
126 platform_wasm=yes
128 else
130 case "$host" in
131         *-mingw*|*-*-cygwin*)
132                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
133                 AC_DEFINE(HOST_NO_SYMLINKS,1,[This platform does not support symlinks])
134                 host_win32=yes
135                 mono_cv_clang=no
136                 if test "x$cross_compiling" = "xno"; then
137                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
138                                 target_win32=yes
139                         fi
140                 else
141                         if test "x$host" = "x$target"; then
142                                 target_win32=yes
143                         fi
144                 fi
145                 HOST_CC="gcc"
146                 # Windows Vista or later is required
147                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
148                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
149                 libmono_cflags="-mms-bitfields -mwindows"
150                 libmono_ldflags="-mms-bitfields -mwindows"
151                 libdl=
152                 libgc_threads=win32
153                 with_sigaltstack=no
154                 with_tls=pthread
155                 with_sgen_default_concurrent=yes
156                 LN_S=cp
157                 # This forces libgc to use the DllMain based thread registration code on win32
158                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
159                 ;;
160         *-*-*netbsd*)
161                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
162                 libmono_cflags="-D_REENTRANT"
163                 LDFLAGS="$LDFLAGS -pthread"
164                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
165                 libmono_ldflags="-pthread"
166                 need_link_unlink=yes
167                 libdl="-ldl"
168                 libgc_threads=pthreads
169                 with_sigaltstack=no
170                 use_sigposix=yes
171                 with_sgen_default_concurrent=yes
172                 ;;
173         *-*-kfreebsd*-gnu)
174                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
175                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
176                 libmono_ldflags="-lpthread -pthread"
177                 libdl="-ldl"
178                 libgc_threads=pthreads
179                 need_link_unlink=yes
180                 with_sigaltstack=no
181                 use_sigposix=yes
182                 with_sgen_default_concurrent=yes
183                 ;;
184         *-*-*freebsd*)
185                 if test "x$PTHREAD_CFLAGS" = "x"; then
186                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
187                         libmono_cflags=
188                 else
189                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
190                         libmono_cflags="$PTHREAD_CFLAGS"
191                 fi
192                 if test "x$PTHREAD_LIBS" = "x"; then
193                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
194                         libmono_ldflags="-pthread"
195                 else
196                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
197                         libmono_ldflags="$PTHREAD_LIBS"
198                 fi
199                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
200                 need_link_unlink=yes
201                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
202                 libdl=
203                 libgc_threads=pthreads
204                 use_sigposix=yes
205                 has_dtrace=yes
206                 with_sgen_default_concurrent=yes
207                 ;;
208         *-*-*openbsd*)
209                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DHOST_BSD -D_REENTRANT -DUSE_MMAP"
210                 LDFLAGS="${LDFLAGS} -Wl,-zwxneeded"
211                 if test "x$disable_munmap" != "xyes"; then
212                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
213                 fi
214                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
215                 LDFLAGS="$LDFLAGS -pthread"
216                 need_link_unlink=yes
217                 AC_DEFINE(PTHREAD_POINTER_ID)
218                 libdl=
219                 libgc_threads=pthreads
220                 with_tls=pthread
221                 with_sigaltstack=no
222                 use_sigposix=yes
223                 with_sgen_default_concurrent=yes
224                 ;;
225         *-*-linux-android*)
226                 platform_android=yes
227                 AC_DEFINE(HOST_ANDROID,1,[Targeting the Android platform])
228                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
230                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
231                 if test "x$disable_munmap" != "xyes"; then
232                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
233                 fi
234                 libmono_cflags="-D_REENTRANT"
235                 libdl="-ldl"
236                 libgc_threads=pthreads
237                 use_sigposix=yes
239                 with_tls=pthread
240                 with_sigaltstack=no
241                 with_static_mono=no
243                 # Android doesn't support boehm, as it's missing <link.h>
244                 support_boehm=no
245                 with_gc=sgen
247                 # isinf(3) requires -lm; see isinf check below
248                 LDFLAGS="$LDFLAGS -lm"
250                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
251                 # PAGE_SIZE; breaks mono/io-layer/collection.c
252                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
253                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
254                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
256                 # to bypass the underscore linker check, can't work when cross-compiling
257                 mono_cv_uscore=yes
258                 mono_cv_clang=no
259                 ;;
260         *-*-linux*)
261                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
262                 if test "x$disable_munmap" != "xyes"; then
263                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
264                 fi
265                 libmono_cflags="-D_REENTRANT"
266                 libdl="-ldl"
267                 libgc_threads=pthreads
268                 use_sigposix=yes
269                 if test "x$cross_compiling" != "xno"; then
270                         # to bypass the underscore linker check, not
271                         # available during cross-compilation
272                         mono_cv_uscore=no
273                 fi
274                 case "$host" in
275                 *-tizen-linux-*)
276                         platform_tizen=yes
277                         ;;
278                 esac
279                 case "$host" in
280                 aarch64-*)
281                         support_boehm=no
282                         with_gc=sgen
283                         ;;
284                 powerpc*-*-linux*)
285                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
286                         disable_munmap=yes
287                         ;;
288                 esac
289                 with_sgen_default_concurrent=yes
290                 ;;
291         *-*-nacl*)
292                 echo "nacl no longer supported."
293                 exit 1
294                 ;;
295         *-*-hpux*)
296                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
297                 # +ESdbgasm only valid on bundled cc on RISC
298                 # silently ignored for ia64
299                 if test $GCC != "yes"; then
300                         CFLAGS="$CFLAGS +ESdbgasm"
301                         # Arrange for run-time dereferencing of null
302                         # pointers to produce a SIGSEGV signal.
303                         LDFLAGS="$LDFLAGS -z"
304                 fi
305                 CFLAGS="$CFLAGS +ESdbgasm"
306                 LDFLAGS="$LDFLAGS -z"
307                 libmono_cflags="-D_REENTRANT"
308                 libmono_ldflags="-lpthread"
309                 libgc_threads=pthreads
310                 need_link_unlink=yes
311                 use_sigposix=yes
312                 ;;
313         *-*-solaris*)
314                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DHOST_SOLARIS"
315                 need_link_unlink=yes
316                 libmono_cflags="-D_REENTRANT"
317                 libgc_threads=pthreads
318                 has_dtrace=yes
319                 use_sigposix=yes
320                 enable_solaris_tar_check=yes
321                 ;;
322         *-*-darwin*)
323                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
324                 host_darwin=yes
325                 target_mach=yes
326                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DUSE_MMAP -DUSE_MUNMAP"
327                 libmono_cflags="-D_THREAD_SAFE"
328                 need_link_unlink=yes
329                 AC_DEFINE(PTHREAD_POINTER_ID)
330                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
331                 libdl=
332                 libgc_threads=pthreads
333                 has_dtrace=yes
334                 if test "x$cross_compiling" = "xyes"; then
335                         has_broken_apple_cpp=yes
336                 fi
337                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
338                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
339                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
340                 case "$host" in
341                         dnl Snow Leopard and newer config.guess reports as this
342                         i*86-*-darwin*)
343                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
344                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
345                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
346                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
347                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
348                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
349                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
350                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
351                                 with_sgen_default_concurrent=yes
352                                 ;;
353                         x*64-*-darwin*)
354                                 with_sgen_default_concurrent=yes
355                                 ;;
356                         arm*-darwin*)
357                                 platform_ios=yes
358                                 has_dtrace=no
359                                 ;;
360                         aarch64*-darwin*)
361                                 platform_ios=yes
362                                 ;;
363                 esac
364                 ;;
365         *-*-haiku*)
366                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
367                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
368                 libdl=
369                 LIBS="$LIBS -lnetwork -ltextencoding"
370                 need_link_unlink=yes
371                 AC_DEFINE(PTHREAD_POINTER_ID)
372                 dnl Haiku does not support static TLS with __thread
373                 with_tls=pthread
374                 libgc_threads=pthreads
375                 use_sigposix=yes
376                 ;;
377         *-*-aix*|*-*-os400*)
378                 dnl Set up a 64-bit build
379                 CPPFLAGS="$CPPFLAGS -maix64 -DGC_AIX_THREADS -D_ALL_SOURCE -D_THREAD_SAFE -D_LARGE_FILES -D_REENTRANT"
380                 LDFLAGS="-maix64"
381                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
382                 dnl Would you believe GNU nm doesn't know how to process AIX libraries?
383                 dnl Hardcode IBM binutils in case GNU ones end up on our path. Also
384                 dnl specifiy 64-bit mode for tools.
385                 AR="/usr/bin/ar -X64"
386                 NM="/usr/bin/nm -X64"
387                 dnl SGen is the future (changes to Boehm support code would be
388                 dnl required if you wish to re-enable Boehm)
389                 support_boehm=no
390                 with_gc=sgen
391                 need_link_unlink=yes
392                 use_sigposix=yes
393                 dnl the valloc call to alloc the guard page bombs out, even with extending the data area
394                 with_sigaltstack=no
395                 dnl use pthread TLS, __thread has issues with the compiler flags we use
396                 with_tls=pthread
397                 dnl ppc Linux is the same? test further
398                 disable_munmap=yes
399                 ;;
400         *)
401                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
402                 libdl="-ldl"
403                 ;;
404 esac
406 # WASM hack
409 AC_MSG_RESULT(ok)
411 if test x$need_link_unlink = xyes; then
412    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
415 if test x$host_win32 = xyes; then
416    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
419 if test x$target_win32 = xyes; then
420    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
423 if test x$host_darwin = xyes; then
424    AC_DEFINE(HOST_DARWIN, 1, [Host Platform is Darwin])
427 # Defined for all targets/platforms using classic Windows API support.
428 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
429 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
431 AC_SUBST(extra_runtime_ldflags)
432 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
433 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
434 AM_CONDITIONAL(HOST_LINUX, echo x$target_os | grep -q linux)
435 AM_CONDITIONAL(HOST_DARWIN, test x$host_darwin = xyes)
436 AM_CONDITIONAL(HOST_SIGPOSIX, test x$use_sigposix = xyes)
437 AM_CONDITIONAL(HOST_ANDROID, test x$platform_android = xyes)
438 AM_CONDITIONAL(HOST_TIZEN, test x$platform_tizen = xyes)
439 AM_CONDITIONAL(HOST_IOS, test x$platform_ios = xyes)
440 AM_CONDITIONAL(HOST_WASM, test x$platform_wasm = xyes)
442 if test -z "$HOST_DARWIN_TRUE"; then :
443 PLATFORM_AOT_SUFFIX=.dylib
446 if test -z "$HOST_LINUX_TRUE"; then :
447 PLATFORM_AOT_SUFFIX=.so
450 if test -z "$HOST_WIN32_TRUE"; then :
451 PLATFORM_AOT_SUFFIX=.dll
454 AC_SUBST(PLATFORM_AOT_SUFFIX)
456 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
458 AC_CHECK_TOOL(CC, gcc, gcc)
459 AC_PROG_CC
460 AC_CHECK_TOOL(CXX, g++, g++)
461 AC_PROG_CXX
462 AM_PROG_AS
463 AC_PROG_INSTALL
464 AC_PROG_AWK
465 AM_PROG_CC_C_O
466 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
467 : ${CCAS='$(CC)'}
468 # Set ASFLAGS if not already set.
469 : ${CCASFLAGS='$(CFLAGS)'}
470 AC_SUBST(CCAS)
471 AC_SUBST(CCASFLAGS)
473 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
474 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
475 if test "x$CXX" = "xg++"; then
476         if test "x$GXX" != "xyes"; then
477                 # automake/libtool is so broken, it requires g++ even if the c++ sources
478                 # are inside automake conditionals
479                 AC_MSG_ERROR([You need to install g++])
480         fi
483 dnl may require a specific autoconf version
484 dnl AC_PROG_CC_FOR_BUILD
485 dnl CC_FOR_BUILD not automatically detected
486 CC_FOR_BUILD=$CC
487 CFLAGS_FOR_BUILD=$CFLAGS
488 BUILD_EXEEXT=
489 if test "x$cross_compiling" = "xyes"; then
490         CC_FOR_BUILD=cc
491         CFLAGS_FOR_BUILD=
492         BUILD_EXEEXT=""
494 AC_SUBST(CC_FOR_BUILD)
495 AC_SUBST(CFLAGS_FOR_BUILD)
496 AC_SUBST(HOST_CC)
497 AC_SUBST(BUILD_EXEEXT)
499 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
500 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
502 # Set STDC_HEADERS
503 AC_HEADER_STDC
504 AC_LIBTOOL_WIN32_DLL
505 # This causes monodis to not link correctly
506 #AC_DISABLE_FAST_INSTALL
508 #lookup makedev() header
509 AC_HEADER_MAJOR
511 AM_PROG_LIBTOOL
512 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
513 DOLT
515 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
516 AC_SUBST(export_ldflags)
518 # Test whenever ld supports -version-script
519 AC_PROG_LD
520 AC_PROG_LD_GNU
522 AM_ICONV()
524 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)
525 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)
526 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
527                   [], [], [#include <stddef.h>
528                   #include <sys/socket.h>
529                   #include <linux/socket.h>])
531 AC_CHECK_HEADERS(sys/user.h, [], [],
533 #ifdef HAVE_SYS_PARAM_H
534 # include <sys/param.h>
535 #endif
538 AC_CHECK_HEADERS(linux/serial.h)
540 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
541 if test x$have_zlib = xyes; then
542    AC_TRY_COMPILE([#include <zlib.h>], [
543    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
544    #else
545    #error No good zlib found
546    #endif
547    ],[
548         AC_MSG_RESULT(Using system zlib)
549         zlib_msg="system zlib"
550         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
551    ],[
552         AC_MSG_RESULT(Using embedded zlib)
553         have_zlib=no
554         zlib_msg="bundled zlib"
555    ])
558 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
559 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
561 # for mono/metadata/debug-symfile.c
562 AC_CHECK_HEADERS(elf.h)
564 # for support
565 AC_CHECK_HEADERS(poll.h)
566 AC_CHECK_HEADERS(sys/poll.h)
567 AC_CHECK_HEADERS(sys/wait.h)
568 AC_CHECK_HEADERS(grp.h)
569 AC_CHECK_HEADERS(syslog.h)
570 AC_CHECK_FUNCS(vsyslog)
572 # for mono/dis
573 AC_CHECK_HEADERS(wchar.h)
574 AC_CHECK_HEADERS(ieeefp.h)
575 AC_MSG_CHECKING(for isinf)
576 AC_TRY_LINK([#include <math.h>], [
577         int f = isinf (1.0);
578 ], [
579         AC_MSG_RESULT(yes)
580         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
581 ], [
582         # We'll have to use signals
583         AC_MSG_RESULT(no)
585 # mingw
586 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
587         AC_TRY_LINK([#include <math.h>], 
588         [ _finite(0.0); ], 
589         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
590         AC_MSG_RESULT(no)))
592 # for Linux statfs support
593 AC_CHECK_HEADERS(linux/magic.h)
595 # For Android NDK unified headers
596 if test x$platform_android = xyes; then
597         AC_CHECK_HEADERS(machine/endian.h sys/endian.h)
598         AC_CHECK_HEADERS(android/legacy_signal_inlines.h, [have_android_signal_inlines=yes], [have_android_signal_inlines=no])
600         # Make sure SIGRT{MIN,MAX} work - they will fail to work with unified headers if building for
601         # API level < 21 *and* android/legacy_signal_inlines.h doesn't declare (and define) the required
602         # libc APIs to obtain values for SIGRT{MIN,MAX}. We perform the check only if android/legacy_signal_inlines.h
603         # is found because in other cases the macros will either work (for NDK < 14) or fail if the legacy header
604         # doesn't contain the required definitions (NDK 14)
605         if test x$have_android_signal_inlines = xyes; then
606                 AC_MSG_CHECKING([Whether Android SIGRTMIN/SGRTMAX macros are valid])
607                 AC_COMPILE_IFELSE([
608                         AC_LANG_PROGRAM([#include <android/legacy_signal_inlines.h>],[
609                                 int i;
610                                 for (i = SIGRTMIN + 1; i < SIGRTMAX; ++i) {
611                                 }
612                         ])],[
613                                 AC_MSG_RESULT(yes)
614                                 android_sigrtminmax_work=yes
615                         ],[
616                                 AC_MSG_RESULT(no)
617                                 android_sigrtminmax_work=no
618                         ]
619                 )
621                 if test x$android_sigrtminmax_work = xno; then
622                         AC_MSG_ERROR([Android SIGRTMIN/SIGRTMAX macros don't work in this NDK])
623                 fi
624         fi
626         # Attempt to detect whether we're using Android NDK unified headers
627         AC_CHECK_HEADERS(android/api-level.h, [have_android_api_level=yes], [have_android_api_level=no])
628         AC_CHECK_HEADERS(android/versioning.h, [have_android_versioning=yes], [have_android_versioning=no])
630         android_unified_headers=no
631         if test x$have_android_api_level = xyes; then
632                 if test x$have_android_versioning = xyes; then
633                         AC_MSG_CHECKING([whether using Android NDK unified headers])
635                         # Both macros are defined only in the NDK unified headers
636                         AC_COMPILE_IFELSE([
637                                 AC_LANG_PROGRAM([
638                                         #include <android/api-level.h>
639                                         #include <android/versioning.h>
640                                 ],[
641                                         #if __ANDROID_API_O__ == 26 && defined(__INTRODUCED_IN)
642                                         #else
643                                                 #error __ANDROID_API_O__ != 26 or the __INTRODUCED_IN macro not defined
644                                         #endif
645                                 ])],[
646                                         AC_MSG_RESULT(yes)
647                                         android_unified_headers=yes
648                                 ],[
649                                         AC_MSG_RESULT(no)
650                                         android_unified_headers=no
651                                 ]
652                         )
653                 fi
654         fi
656         if test x$android_unified_headers = xyes; then
657                 AC_DEFINE(ANDROID_UNIFIED_HEADERS, 1, [Whether Android NDK unified headers are used])
658         fi
659 fi # Android
661 # not 64 bit clean in cross-compile
662 if test "x$enable_wasm" = "xyes"; then
663 AC_DEFINE(SIZEOF_VOID_P,4)
664 AC_DEFINE(SIZEOF_LONG,4)
665 ac_cv_sizeof_void_p="4"
666 ac_cv_sizeof_long="4"
667 else
668 AC_CHECK_SIZEOF(void *)
669 AC_CHECK_SIZEOF(long)
672 AC_CHECK_SIZEOF(int)
673 AC_CHECK_SIZEOF(long long)
675 AC_CACHE_CHECK([for clang],
676         mono_cv_clang,[
677         AC_TRY_COMPILE([], [
678                 #ifdef __clang__
679                 #else
680                 #error "FAILED"
681                 #endif
682         ],
683         [mono_cv_clang=yes],
684         [mono_cv_clang=no],
685         [])
688 AC_ARG_ENABLE(visibility-hidden,
689 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
690    disable_visibility_hidden=yes, disable_visibility_hidden=no)
692 WARN=''
693 if test x"$GCC" = xyes; then
694         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 -Wno-format-zero-length'
696                 # We require C99 with some GNU extensions, e.g. `linux` macro
697                 CFLAGS="$CFLAGS -std=gnu99"
699                 # The runtime code does not respect ANSI C strict aliasing rules
700                 CFLAGS="$CFLAGS -fno-strict-aliasing"
702                 # We rely on signed overflow to behave
703                 CFLAGS="$CFLAGS -fwrapv"
705                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
706                 if test x"$disable_visibility_hidden" = xno; then
707                    # Don't export any symbols by default
708                    SHARED_CFLAGS="-fvisibility=hidden"
709                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
710                 fi
712                 ORIG_CFLAGS=$CFLAGS
713                 # Check for the normal version, since gcc ignores unknown -Wno options
714                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
715                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
716                 AC_TRY_COMPILE([],[
717                 ], [
718                    AC_MSG_RESULT(yes)
719                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
720                 ], [
721                    AC_MSG_RESULT(no)
722                    CFLAGS=$ORIG_CFLAGS
723                 ])
725                 if test "x$mono_cv_clang" = "xyes"; then
726                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
727                    WARN="$WARN -Qunused-arguments"
728                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
729                    # We rely on zero length arrays in structs
730                    WARN="$WARN -Wno-zero-length-array"
731                 fi
732 else
733         # The Sun Forte compiler complains about inline functions that access static variables
734         # so disable all inlining.
735         case "$host" in
736         *-*-solaris*)
737                 CFLAGS="$CFLAGS -Dinline="
738                 ;;
739         esac
741 CFLAGS="$CFLAGS -g $WARN"
742 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
743 CPPFLAGS="$CPPFLAGS -g $WARN"
745 # Where's the 'mcs' source tree?
746 if test -d $srcdir/mcs; then
747   mcsdir=mcs
748 else
749   mcsdir=../mcs
752 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
753         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
754                 mcsdir=$with_mcs_path
755         fi
758 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
761 # A sanity check to catch cases where the package was unpacked
762 # with an ancient tar program (Solaris)
764 AC_ARG_ENABLE(solaris-tar-check,
765 [  --disable-solaris-tar-check    disable solaris tar check],
766    do_solaris_tar_check=no, do_solaris_tar_check=yes)
768 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
769         AC_MSG_CHECKING(integrity of package)
770         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
771         then
772                 AC_MSG_RESULT(ok)
773         else
774                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
775                 AC_MSG_ERROR([$errorm])
776         fi
779 if test "x$with_mcs_path" != "x"; then
780 mcs_topdir=$(cd "$mcsdir" && pwd)
781 mcs_topdir_from_srcdir=$mcs_topdir
782 else
783 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
784 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
787 # Convert mcs_topdir* paths to Windows syntax.
788 if test x$cross_compiling$host_win32 = xnoyes; then
789   mcs_topdir=$(cygpath -m $mcs_topdir)
790   case $mcs_topdir_from_srcdir in
791     /cygdrive/*)
792         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
793         ;;
794   esac
797 AC_SUBST([mcs_topdir])
798 AC_SUBST([mcs_topdir_from_srcdir])
800 # gettext: prepare the translation directories. 
801 # we do not configure the full gettext, as we consume it dynamically from C#
802 AM_PO_SUBDIRS
804 if test "x$USE_NLS" = "xyes"; then
805    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
807    if test "x$HAVE_MSGFMT" = "xno"; then
808           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
809    fi
812 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
814 pkg_config_path=
815 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
816         if test x$with_crosspkgdir = "x"; then
817                 if test -s $PKG_CONFIG_PATH; then
818                         pkg_config_path=$PKG_CONFIG_PATH
819                 fi
820         else
821                 pkg_config_path=$with_crosspkgdir
822                 PKG_CONFIG_PATH=$pkg_config_path
823                 export PKG_CONFIG_PATH
824         fi
827 AC_ARG_ENABLE(ninja,[  --enable-ninja    Enable using ninja where available], enable_ninja=$enableval)
828 AC_CHECK_PROG(HAVE_NINJA, ninja, yes, no)
829 AM_CONDITIONAL(NINJA, test x$enable_ninja = xyes -a x$HAVE_NINJA != xno)
831 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
832 if test x$werror_flag = xyes; then
833         WERROR_CFLAGS="-Werror"
835 AC_SUBST([WERROR_CFLAGS])
836 AC_SUBST([SHARED_CFLAGS])
838 GLIB_CFLAGS='-I$(top_srcdir)/mono/eglib -I$(top_builddir)/mono/eglib'
839 GLIB_LIBS='$(top_builddir)/mono/eglib/libeglib.la -lm'
840   
841 AC_SUBST(GLIB_CFLAGS)
842 AC_SUBST(GLIB_LIBS)
844 # Enable support for fast thread-local storage
845 # Some systems have broken support, so we allow to disable it.
846 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
848 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
849 # This does not work on some platforms (bug #55253)
850 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
852 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
853 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
854 # Same as --with-shared_mono=no
855 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
857 if test "x$enable_static" = "xno"; then
858    with_static_mono=no
861 if test "x$enable_shared" = "xno"; then
862    with_shared_mono=no
865 if test "x$enable_libraries" = "xno"; then
866    with_shared_mono=no
869 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
871 if test "x$host_win32" = "xyes"; then
872    # Boehm GC requires the runtime to be in its own dll
873    with_static_mono=no
876 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
877 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
878 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
879 AC_ARG_ENABLE(support-build, [  --disable-support-build disable the build of the support directory], try_support_build=$enableval, enable_support_build=yes)
881 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
882 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
883         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
884         ORIG_CFLAGS=$CFLAGS
885         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
886         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
887         AC_TRY_COMPILE([], [
888         ], [
889            AC_MSG_RESULT(yes)
890            # Pass it to libgc as well
891            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
892         ], [
893            AC_MSG_RESULT(no)
894            CFLAGS=$ORIG_CFLAGS
895         ])
898 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
900 if test x$enable_small_config = xyes; then
901         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
902         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
905 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
907 DISABLED_FEATURES=none
908 csc_compiler=default
909 endian=unknown
910 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
911 AC_MSG_CHECKING([CSharp compiler to use])
912 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
913    if test x$withval = xmcs; then
914        csc_compiler=mcs
915    elif test x$withval = xroslyn; then
916        csc_compiler=roslyn
917    elif test x$withval = xdefault; then
918        :
919    else
920        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
921    fi
922 ],[csc_compiler=default])
924 if test $csc_compiler = default; then
925    if test $endian = big; then
926       csc_compiler=mcs
927    elif test $endian = little; then
928       case "$host" in
929         powerpc*) csc_compiler=mcs ;;
930         *) csc_compiler=roslyn ;;
931       esac
932    else
933       csc_compiler=mcs
934    fi
936 AC_MSG_RESULT($csc_compiler)
938 AC_ARG_WITH(jemalloc,             [  --with-jemalloc=yes,no               If jemalloc is enabled (defaults to no)],                                     [], [with_jemalloc=no])
939 AC_ARG_WITH(jemalloc-always,      [  --with-jemalloc_always=yes,no        If jemalloc is enabled and always used (defaults to yes)],                    [], [with_jemalloc_always=no])
940 AC_ARG_WITH(jemalloc-assert,      [  --with-jemalloc_assert=yes,no        If jemalloc performs runtime checks for memory correctness (defaults to no)], [], [with_jemalloc_assert=no])
943 if test x$target_win32 = xyes; then
944 with_jemalloc=no
945 with_jemalloc_assert=no
946 with_jemalloc_always=no
949 AM_CONDITIONAL(MONO_JEMALLOC_ASSERT, [test "x$with_jemalloc_assert" = "xyes"])
950 if test "x$with_jemalloc_assert" = "xyes"; then
951 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_ASSERT"
952 AC_DEFINE(MONO_JEMALLOC_ASSERT, 1, [Make jemalloc assert for mono])
953 AC_SUBST(MONO_JEMALLOC_ASSERT, 1)
956 AM_CONDITIONAL(MONO_JEMALLOC_DEFAULT, [test "x$with_jemalloc_always" = "xyes"])
957 if test "x$with_jemalloc_always" = "xyes"; then
958 with_jemalloc=yes
959 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_DEFAULT"
960 AC_DEFINE(MONO_JEMALLOC_DEFAULT, 1, [Make jemalloc default for mono])
961 AC_SUBST(MONO_JEMALLOC_DEFAULT, 1)
964 AM_CONDITIONAL(MONO_JEMALLOC_ENABLED, [test "x$with_jemalloc" = "xyes"])
965 if test "x$with_jemalloc" = "xyes"; then
966 JEMALLOC_LDFLAGS="-L`pwd`/mono/utils/jemalloc/jemalloc/lib -ljemalloc_pic"
967 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_ENABLED -I `pwd`/mono/utils/jemalloc/jemalloc/include"
968 JEMALLOC_AUTOCONF_FLAGS=" --build=$target --host=$host"
970 if test "x$target_mach" = "xyes"; then
971         JEMALLOC_CPPFLAGS=" -stdlib=libc++ "
974 AC_DEFINE(MONO_JEMALLOC_ENABLED, 1, [Enable jemalloc usage for mono])
975 AC_SUBST(MONO_JEMALLOC_ENABLED, 1)
977 AC_SUBST(JEMALLOC_CFLAGS)
978 AC_SUBST(JEMALLOC_CPPFLAGS)
979 AC_SUBST(JEMALLOC_LDFLAGS)
980 AC_SUBST(JEMALLOC_AUTOCONF_FLAGS)
984 # Set the build profiles and options before things which use them
987 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
988 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
989 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
990 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])
991 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])
992 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
993 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
994 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
995 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
996 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
997 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
998 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
999 AC_ARG_WITH(wasm,                [  --with-wasm=yes,no                  If you want to build the WebAssembly (defaults to no)], [], [with_wasm=default])
1002 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
1003 AC_ARG_WITH(spectre-mitigation,             [  --with-spectre-mitigation=yes,no   If you want to build the runtime with compiler flags that enable Spectre mitigation (defaults to no)], [], [with_spectre_mitigation=default])
1004 AC_ARG_WITH(spectre-indirect-branch-choice,   [  --with-spectre-indirect-branch-choice=keep,thunk,inline,extern   Convert indirect branches to the specified kind of thunk (defaults to inline)], [], [with_spectre_indirect_branch_choice=inline])
1005 AC_ARG_WITH(spectre-function-return-choice, [  --with-spectre-function-return-choice=keep,thunk,inline,extern   Convert function return instructions to the specified kind of thunk (defaults to inline)], [], [with_spectre_function_return_choice=inline])
1008 dnl Spectre compiler mitigation flag checks
1010 if test "x$with_spectre_mitigation" = "xyes"; then
1011    AC_MSG_NOTICE([Compiler Spectre mitigation support checks])
1012    SPECTRE_CFLAGS=
1013    SPECTRE_INDIRECT_BRANCH_KIND=
1014    case "x$with_spectre_indirect_branch_choice" in
1015        xkeep) SPECTRE_INDIRECT_BRANCH_KIND=keep ;;
1016        xthunk) SPECTRE_INDIRECT_BRANCH_KIND=thunk ;;
1017        xinline) SPECTRE_INDIRECT_BRANCH_KIND=thunk-inline ;;
1018        xextern) SPECTRE_INDIRECT_BRANCH_KIND=thunk-extern ;;
1019        *) AC_MSG_ERROR([Invalid indirect jump thunk kind ($with_spectre_indirect_branch_choice)]) ;;
1020    esac
1022    SPECTRE_FUNCTION_RETURN_KIND=""
1023    case "x$with_spectre_function_return_choice" in
1024        xkeep) SPECTRE_FUNCTION_RETURN_KIND=keep ;;
1025        xthunk) SPECTRE_FUNCTION_RETURN_KIND=thunk ;;
1026        xinline) SPECTRE_FUNCTION_RETURN_KIND=thunk-inline ;;
1027        xextern) SPECTRE_FUNCTION_RETURN_KIND=thunk-extern ;;
1028        *) AC_MSG_ERROR([Invalid function return thunk kind ($with_spectre_function_return_choice)]) ;;
1029    esac
1031    AX_CHECK_COMPILE_FLAG(
1032         [ -mindirect-branch=$SPECTRE_INDIRECT_BRANCH_KIND ],
1033         [ SPECTRE_CFLAGS="$SPECTRE_CFLAGS -mindirect-branch=$SPECTRE_INDIRECT_BRANCH_KIND" ]
1034    )
1036    AX_CHECK_COMPILE_FLAG(
1037         [ -mfunction-return=$SPECTRE_FUNCTION_RETURN_KIND ],
1038         [ SPECTRE_CFLAGS="$SPECTRE_CFLAGS -mfunction-return=$SPECTRE_FUNCTION_RETURN_KIND" ]
1039    )
1041    if test "x$SPECTRE_CFLAGS" != "x" ; then
1042         CFLAGS="$CFLAGS $SPECTRE_CFLAGS"
1043         CXXFLAGS="$CXXFLAGS $SPECTRE_CFLAGS"
1044         spectre_mitigation_status="mitigation enabled"
1045    fi
1046 else
1047         spectre_mitigation_status="no mitigation"
1051 dnl Profile defaults
1053 TEST_PROFILE=default
1054 enable_llvm_default=no
1056 with_profile4_x_default=no
1057 with_monodroid_default=no
1058 with_monotouch_default=no
1059 with_monotouch_watch_default=no
1060 with_monotouch_tv_default=no
1061 with_xammac_default=no
1062 with_testing_aot_hybrid_default=no
1063 with_testing_aot_full_default=no
1064 with_winaot_default=no
1065 with_orbis_default=no
1066 with_unreal_default=no
1067 with_wasm_default=no
1069 with_bitcode_default=no
1070 with_cooperative_gc_default=no
1072 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=10000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
1074 AOT_BUILD_ATTRS=$INVARIANT_AOT_OPTIONS
1076 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
1077    DISABLE_MCS_DOCS_default=yes
1078 elif test x$with_runtime_preset = xnet_4_x; then
1079    with_profile4_x_default=yes
1080 elif test x$with_runtime_preset = xall; then
1081    with_profile4_x_default=yes
1082    with_monodroid_default=yes
1083    with_monotouch_default=yes
1084    with_monotouch_watch_default=yes
1085    with_monotouch_tv_default=yes
1086    with_xammac_default=yes
1087    with_winaot_default=yes
1088    with_orbis_default=yes
1089    with_unreal_default=yes
1090    with_wasm_default=yes
1091 elif test x$with_runtime_preset = xfullaot; then
1092    DISABLE_MCS_DOCS_default=yes
1093    with_testing_aot_full_default=yes
1094    TEST_PROFILE=testing_aot_full
1096    mono_feature_disable_com='yes'
1097    mono_feature_disable_remoting='yes'
1098    mono_feature_disable_reflection_emit_save='yes'
1099    mono_feature_disable_reflection_emit='yes'
1100    mono_feature_disable_appdomains='yes'
1102    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
1103    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1104    AOT_MODE="full"
1105 elif test x$with_runtime_preset = xbitcode; then
1106    DISABLE_MCS_DOCS_default=yes
1107    with_testing_aot_full_default=yes
1108    with_bitcode_default=yes
1109    with_cooperative_gc_default=yes
1110    TEST_PROFILE=testing_aot_full
1111    enable_llvm_default=yes
1113    mono_feature_disable_com='yes'
1114    mono_feature_disable_remoting='yes'
1115    mono_feature_disable_reflection_emit_save='yes'
1116    mono_feature_disable_reflection_emit='yes'
1117    mono_feature_disable_appdomains='yes'
1119    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
1120    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
1121    AOT_MODE="llvmonly"
1122 elif test x$with_runtime_preset = xhybridaot; then
1123    DISABLE_MCS_DOCS_default=yes
1124    with_testing_aot_hybrid_default=yes
1125    TEST_PROFILE=testing_aot_hybrid 
1127    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
1128    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
1129 elif test x$with_runtime_preset = xaot; then
1130    with_profile4_x_default=yes
1132    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
1133    AOT_RUN_FLAGS=""
1135    DISABLE_MCS_DOCS_default=yes
1136 elif test x$with_runtime_preset = xwinaot; then
1137    DISABLE_MCS_DOCS_default=yes
1138    with_winaot_default=yes
1139    TEST_PROFILE=winaot
1141    mono_feature_disable_com='yes'
1142    mono_feature_disable_remoting='yes'
1143    mono_feature_disable_reflection_emit_save='yes'
1144    mono_feature_disable_reflection_emit='yes'
1145    mono_feature_disable_appdomains='yes'
1147    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1148    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1149    AOT_MODE="llvmonly"
1150 elif test x$with_runtime_preset = xorbis; then
1151    DISABLE_MCS_DOCS_default=yes
1152    with_orbis_default=yes
1153    TEST_PROFILE=orbis
1155    mono_feature_disable_com='yes'
1156    mono_feature_disable_remoting='yes'
1157    mono_feature_disable_reflection_emit_save='yes'
1158    mono_feature_disable_reflection_emit='yes'
1159    mono_feature_disable_appdomains='yes'
1161    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1162    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1163    AOT_MODE="full"
1164 elif test x$with_runtime_preset = xunreal; then
1165    DISABLE_MCS_DOCS_default=yes
1166    with_unreal_default=yes
1167    TEST_PROFILE=unreal
1169    mono_feature_disable_com='yes'
1170    mono_feature_disable_remoting='yes'
1171    mono_feature_disable_appdomains='no'
1173    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
1174    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
1175 elif test x$with_runtime_preset = xwasm; then
1176    DISABLE_MCS_DOCS_default=yes
1177    with_wasm_default=yes
1178    TEST_PROFILE=wasm
1180    mono_feature_disable_com='yes'
1181    mono_feature_disable_remoting='yes'
1182    mono_feature_disable_reflection_emit_save='yes'
1183    mono_feature_disable_reflection_emit='yes'
1184    mono_feature_disable_appdomains='yes'
1186    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1187    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1188 else
1189    with_profile4_x_default=yes
1192 if test "x$AOT_BUILD_FLAGS" != "x"; then :
1193    AC_SUBST(AOT_BUILD_FLAGS)
1194    AC_SUBST(AOT_RUN_FLAGS)
1195    # For llvmonlycheck + fullaotcheck
1196    AC_SUBST(INVARIANT_AOT_OPTIONS)
1199 AC_SUBST(TEST_PROFILE)
1201 if test "x$with_profile4_x" = "xdefault"; then
1202    with_profile4_x=$with_profile4_x_default
1204 if test "x$with_monodroid" = "xdefault"; then
1205    with_monodroid=$with_monodroid_default
1207 if test "x$with_monotouch" = "xdefault"; then
1208    with_monotouch=$with_monotouch_default
1210 if test "x$with_monotouch_watch" = "xdefault"; then
1211    with_monotouch_watch=$with_monotouch_watch_default
1213 if test "x$with_monotouch_tv" = "xdefault"; then
1214    with_monotouch_tv=$with_monotouch_tv_default
1216 if test "x$with_bitcode" = "xdefault"; then
1217    with_bitcode=$with_bitcode_default
1219 if test "x$with_xammac" = "xdefault"; then
1220    with_xammac=$with_xammac_default
1222 if test "x$with_testing_aot_hybrid" = "xdefault"; then
1223    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
1225 if test "x$with_testing_aot_full" = "xdefault"; then
1226    with_testing_aot_full=$with_testing_aot_full_default
1228 if test "x$with_winaot" = "xdefault"; then
1229    with_winaot=$with_winaot_default
1231 if test "x$with_orbis" = "xdefault"; then
1232    with_orbis=$with_orbis_default
1234 if test "x$with_unreal" = "xdefault"; then
1235    with_unreal=$with_unreal_default
1237 if test "x$with_wasm" = "xdefault"; then
1238    with_wasm=$with_wasm_default
1242 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
1243 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
1244 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
1245 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
1246 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
1247 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
1248 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
1249 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
1250 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
1251 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
1252 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
1253 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1254 AM_CONDITIONAL(INSTALL_WASM, [test "x$with_wasm" != "xno"])
1255 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"] || [test "x$TEST_PROFILE" = "xwasm"])
1256 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1258 default_profile=net_4_x
1259 if test -z "$INSTALL_MONODROID_TRUE"; then :
1260    default_profile=monodroid
1262 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1263    default_profile=monotouch
1265 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1266    default_profile=xammac
1268 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1269    default_profile=testing_aot_hybrid
1271 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1272    default_profile=testing_aot_full
1274 if test -z "$INSTALL_WINAOT_TRUE"; then :
1275    default_profile=winaot
1277 if test -z "$INSTALL_ORBIS_TRUE"; then :
1278    default_profile=orbis
1280 if test -z "$INSTALL_UNREAL_TRUE"; then :
1281    default_profile=unreal
1283 if test -z "$INSTALL_WASM_TRUE"; then :
1284    default_profile=wasm
1286 if test -z "$INSTALL_4_x_TRUE"; then :
1287    default_profile=net_4_x
1289 DEFAULT_PROFILE=$default_profile
1290 AC_SUBST(DEFAULT_PROFILE)
1293 # End build profile configuration
1296 if test x$USE_NLS = xprofile_default; then
1298         AC_MSG_CHECKING([NLS used])
1300         # We make the default value for USE_NLS
1301         # "no" on OSX because it isn't available on most
1302         # default OSX installs. The most common configurations will
1303         # all disable it, so this saves us typing.
1304         if test x$host_darwin = xyes; then
1305                 USE_NLS=no;
1306         else
1307                 USE_NLS=yes;
1308         fi
1310         AC_SUBST([USE_NLS])
1311         AC_MSG_RESULT([$USE_NLS])
1314 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1315      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier, 
1316      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, interpreter, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1317          security, lldb, mdb, sgen_marksweep_conc, sgen_split_nursery, sgen_gc_bridge, sgen_debug_helpers.],
1319         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1320                 eval "mono_feature_disable_$feature='yes'"
1321         done
1322         DISABLED_FEATURES=$enable_minimal
1323         disabled="Disabled:      $enable_minimal"
1324 ],[])
1326 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1328 if test "x$mono_feature_disable_aot" = "xyes"; then
1329         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1330         enable_system_aot=no
1331         AC_MSG_NOTICE([Disabled AOT compiler])
1334 if test "x$mono_feature_disable_profiler" = "xyes"; then
1335         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1336         AC_MSG_NOTICE([Disabled support for the profiler])
1338 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1340 if test "x$mono_feature_disable_decimal" = "xyes"; then
1341         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1342         AC_MSG_NOTICE([Disabled support for decimal])
1345 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1346         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1347         AC_MSG_NOTICE([Disabled support for P/Invoke])
1350 if test "x$mono_feature_disable_debug" = "xyes"; then
1351         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1352         AC_MSG_NOTICE([Disabled support for runtime debugging])
1355 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1356         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1357         mono_feature_disable_reflection_emit_save=yes
1358         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1361 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1362         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1363         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1366 if test "x$mono_feature_disable_large_code" = "xyes"; then
1367         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1368         AC_MSG_NOTICE([Disabled support for large assemblies])
1371 if test "x$mono_feature_disable_logging" = "xyes"; then
1372         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1373         AC_MSG_NOTICE([Disabled support for logging])
1376 if test "x$mono_feature_disable_com" = "xyes"; then
1377         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1378         AC_MSG_NOTICE([Disabled COM support])
1381 if test "x$mono_feature_disable_ssa" = "xyes"; then
1382         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1383         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1386 if test "x$mono_feature_disable_generics" = "xyes"; then
1387         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1388         AC_MSG_NOTICE([Disabled Generics Support])
1391 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1392         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1393         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1396 if test "x$mono_feature_disable_portability" = "xyes"; then
1397         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1398         AC_MSG_NOTICE([Disabled IO Portability layer])
1401 if test "x$mono_feature_disable_attach" = "xyes"; then
1402         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1403         AC_MSG_NOTICE([Disabled agent attach])
1406 if test "x$mono_feature_disable_verifier" = "xyes"; then
1407         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1408         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1411 if test "x$mono_feature_disable_jit" = "xyes"; then
1412         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode or interpreter will be supported by the runtime.])
1413         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT or interpreter will be supported])
1416 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1418 if test "x$mono_feature_disable_interpreter" = "xyes"; then
1419         AC_DEFINE(DISABLE_INTERPRETER, 1, [Disable the interpreter.])
1420         AC_MSG_NOTICE([Disabled the interpreter])
1423 AM_CONDITIONAL(DISABLE_INTERPRETER, test x$mono_feature_disable_interpreter = xyes)
1425 if test "x$mono_feature_disable_interpreter" != "xyes" -o "x$mono_feature_disable_jit" != "xyes"; then
1426         AC_DEFINE(ENABLE_ILGEN, 1, [Some VES is available at runtime])
1429 AM_CONDITIONAL(ENABLE_ILGEN, test x$mono_feature_disable_interpreter != xyes -o x$mono_feature_disable_jit != xyes)
1431 if test "x$mono_feature_disable_simd" = "xyes"; then
1432         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1433         AC_MSG_NOTICE([Disabled SIMD support])
1436 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1437         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1438         AC_MSG_NOTICE([Disabled Soft Debugger.])
1441 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1442         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1443         AC_MSG_NOTICE([Disabled Performance Counters.])
1445 if test "x$mono_feature_disable_normalization" = "xyes"; then
1446         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1447         AC_MSG_NOTICE([Disabled String normalization support.])
1450 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1451 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1452         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1453         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1456 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1457         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1458         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1461 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1462         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1463         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1466 if test "x$mono_feature_disable_remoting" = "xyes"; then
1467         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1468         AC_MSG_NOTICE([Disabled remoting])
1471 if test "x$mono_feature_disable_security" = "xyes"; then
1472         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1473         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1476 if test "x$mono_feature_disable_lldb" = "xyes"; then
1477         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1478         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1481 if test "x$mono_feature_disable_mdb" = "xyes"; then
1482         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1483         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1486 if test "x$mono_feature_disable_sgen_marksweep_conc" = "xyes"; then
1487         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_CONC, 1, [Disable concurrent gc support in SGEN.])
1488         AC_MSG_NOTICE([Disabled concurrent gc support in SGEN.])
1492 if test "x$mono_feature_disable_sgen_split_nursery" = "xyes"; then
1493         AC_DEFINE(DISABLE_SGEN_SPLIT_NURSERY, 1, [Disable minor=split support in SGEN.])
1494         AC_MSG_NOTICE([Disabled minor=split support in SGEN.])
1497 if test "x$mono_feature_disable_sgen_gc_bridge" = "xyes"; then
1498         AC_DEFINE(DISABLE_SGEN_GC_BRIDGE, 1, [Disable gc bridge support in SGEN.])
1499         AC_MSG_NOTICE([Disabled gc bridge support in SGEN.])
1502 if test "x$mono_feature_disable_sgen_debug_helpers" = "xyes"; then
1503         AC_DEFINE(DISABLE_SGEN_DEBUG_HELPERS, 1, [Disable debug helpers in SGEN.])
1504         AC_MSG_NOTICE([Disabled debug helpers in SGEN.])
1507 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1508 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1510 has_extension_module=no
1511 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1513         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1514                 if test x$extension = xdefault ; then
1515                         has_extension_module=yes;
1516                 fi
1517         done
1518         if test x$enable_extension_module = xyes; then
1519                 has_extension_module=yes;
1520         fi
1521 ], [])
1523 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1525 if test x$has_extension_module != xno ; then
1526         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1527         AC_MSG_NOTICE([Enabling mono extension module.])
1530 # Deprecated
1531 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1533 AC_MSG_CHECKING(for visibility __attribute__)
1534 AC_COMPILE_IFELSE([
1535         AC_LANG_SOURCE([[
1536                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1537                 int main () { doit (); return 0; }
1538         ]])
1539 ], [
1540    have_visibility_hidden=yes
1541    AC_MSG_RESULT(yes)
1542 ], [
1543    have_visibility_hidden=no
1544    AC_MSG_RESULT(no)
1548 dnl Boehm GC configuration
1551 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1553 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1554 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1556 if test "x$support_boehm" = "xyes"; then
1558         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1559         if test x$enable_parallel_mark = xyes; then
1560                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1561         fi
1563         gc_msg=""
1564         LIBGC_CPPFLAGS=
1565         LIBGC_LIBS=
1566         LIBGC_STATIC_LIBS=
1567         libgc_dir=
1568         case "x$libgc" in
1569                 xincluded)
1570                         if test "x$support_boehm" = "xyes"; then
1571                                 libgc_dir=libgc
1572                         fi
1574                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1575                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1576                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1578                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1580                         if test x$target_win32 = xyes; then
1581                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1582                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1583                         fi
1585                         gc_msg="Included Boehm GC with typed GC"
1586                         if test x$enable_parallel_mark = xyes; then
1587                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1588                                 gc_msg="$gc_msg and parallel mark"
1589                         else
1590                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1591                         fi
1592                         ;;
1594                 xboehm|xbohem|xyes)
1595                         AC_MSG_WARN("External Boehm is no longer supported")
1596                         ;;
1598                 xsgen)
1599                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1600                         ;;
1602                 xnone)
1603                         AC_MSG_WARN("Compiling mono without GC.")
1604                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1605                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1606                         gc_msg="none"
1607                         ;;
1608                 *)
1609                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1610                         ;;
1611         esac
1613         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1614         if test "x$large_heap" = "xyes"; then
1615            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1616         fi
1618         AC_SUBST(LIBGC_CPPFLAGS)
1619         AC_SUBST(LIBGC_LIBS)
1620         AC_SUBST(LIBGC_STATIC_LIBS)
1621         AC_SUBST(libgc_dir)
1622         AC_SUBST(BOEHM_DEFINES)
1625 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1628 dnl End of Boehm GC Configuration
1631 dnl *************************************
1632 dnl *** Checks for zero length arrays ***
1633 dnl *************************************
1634 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1635 AC_TRY_COMPILE([
1636         struct s {
1637                 int  length;
1638                 char data [0];
1639         };
1640 ], [], [
1641         AC_MSG_RESULT(yes)
1642         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1643 ], [
1644         AC_MSG_RESULT(no)
1645         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1648 dnl ***********************************
1649 dnl *** Checks for signals
1650 dnl ***********************************
1651 AC_CHECK_HEADERS(signal.h)
1652 AC_CHECK_FUNCS(sigaction)
1653 AC_CHECK_FUNCS(kill)
1654 AC_CHECK_FUNCS(signal)
1656 # signal() is declared inline in Android headers
1657 # so we need to workaround it by overriding the check.
1658 if test x$platform_android = xyes; then
1659         AC_DEFINE(HAVE_SIGNAL,1)
1662 if test x$host_win32 = xno; then
1663         dnl *************************************
1664         dnl *** Checks for time capabilities ***
1665         dnl *************************************
1667         AC_MSG_CHECKING(for CLOCK_MONOTONIC)
1668         AC_TRY_COMPILE([#include <time.h>], [
1669                 const int foo = CLOCK_MONOTONIC;
1670         ],[
1671                 AC_MSG_RESULT(yes)
1672                 AC_DEFINE(HAVE_CLOCK_MONOTONIC, 1, [CLOCK_MONOTONIC])
1673         ], [
1674                 AC_MSG_RESULT(no)
1675         ])
1677         AC_MSG_CHECKING(for CLOCK_MONOTONIC_COARSE)
1678         AC_TRY_COMPILE([#include <time.h>], [
1679                 const int foo = CLOCK_MONOTONIC_COARSE;
1680         ],[
1681                 AC_MSG_RESULT(yes)
1682                 AC_DEFINE(HAVE_CLOCK_MONOTONIC_COARSE, 1, [CLOCK_MONOTONIC_COARSE])
1683         ], [
1684                 AC_MSG_RESULT(no)
1685         ])
1687         AC_CHECK_FUNC(mach_absolute_time, [AC_DEFINE(HAVE_MACH_ABSOLUTE_TIME, 1, [mach_absolute_time])])
1688         AC_CHECK_FUNC(gethrtime, [AC_DEFINE(HAVE_GETHRTIME, 1, [gethrtime])])
1689         AC_CHECK_FUNC(read_real_time, [AC_DEFINE(HAVE_READ_REAL_TIME, 1, [read_real_time])])
1691         dnl hires monotonic clock support
1692         AC_SEARCH_LIBS(clock_gettime, rt)
1693         AC_CHECK_FUNCS(clock_nanosleep)
1695         dnl dynamic loader support
1696         AC_CHECK_FUNC(dlopen, DL_LIB="",
1697                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1698         )
1699         if test x$dl_support = xno; then
1700                 AC_MSG_WARN([No dynamic loading support available])
1701         else
1702                 LIBS="$LIBS $DL_LIB"
1703                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1704                 dnl from glib's configure.ac
1705                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1706                         mono_cv_uscore,[
1707                         AC_TRY_RUN([#include <dlfcn.h>
1708                         int mono_underscore_test (void) { return 42; }
1709                         int main() {
1710                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1711                           handle = dlopen ((void*)0, 0);
1712                           if (handle) {
1713                             f1 = dlsym (handle, "mono_underscore_test");
1714                             f2 = dlsym (handle, "_mono_underscore_test");
1715                           } return (!f2 || f1);
1716                         }],
1717                                 [mono_cv_uscore=yes],
1718                                 [mono_cv_uscore=no],
1719                         [])
1720                 ])
1721                 if test "x$mono_cv_uscore" = "xyes"; then
1722                         MONO_DL_NEED_USCORE=1
1723                 else
1724                         MONO_DL_NEED_USCORE=0
1725                 fi
1726                 AC_SUBST(MONO_DL_NEED_USCORE)
1727                 AC_CHECK_FUNC(dlerror)
1728         fi
1730         dnl ******************************************************************
1731         dnl *** Checks for the IKVM JNI interface library                  ***
1732         dnl ******************************************************************
1733         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])
1735         ikvm_native_dir=
1736         if test x$with_ikvm_native = xyes; then
1737                 ikvm_native_dir=ikvm-native
1738                 jdk_headers_found="IKVM Native"
1739         fi
1741         AC_SUBST(ikvm_native_dir)
1743         AC_CHECK_HEADERS(execinfo.h)
1745         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1747         AC_CHECK_FUNCS(getgrgid_r)
1748         AC_CHECK_FUNCS(getgrnam_r)
1749         AC_CHECK_FUNCS(getresuid)
1750         AC_CHECK_FUNCS(setresuid)
1751         AC_CHECK_FUNCS(kqueue)
1752         AC_CHECK_FUNCS(backtrace_symbols)
1753         AC_CHECK_FUNCS(mkstemp)
1754         AC_CHECK_FUNCS(mmap)
1755         AC_CHECK_FUNCS(madvise)
1756         AC_CHECK_FUNCS(getrusage)
1757         AC_CHECK_FUNCS(getpriority)
1758         AC_CHECK_FUNCS(setpriority)
1759         AC_CHECK_FUNCS(dl_iterate_phdr)
1760         AC_CHECK_FUNCS(dladdr)
1761         AC_CHECK_FUNCS(sysconf)
1762         AC_CHECK_FUNCS(getrlimit)
1763         AC_CHECK_FUNCS(prctl)
1765         AC_CHECK_FUNCS(sched_getaffinity)
1766         AC_CHECK_FUNCS(sched_setaffinity)
1767         AC_CHECK_FUNCS(sched_getcpu)
1769         if test x$platform_android != xyes; then
1770                 AC_CHECK_FUNCS(getpwnam_r)
1771                 AC_CHECK_FUNCS(getpwuid_r)
1772         fi
1774         AC_FUNC_STRERROR_R()
1776         dnl ****************************************************************
1777         dnl *** Check for sched_setaffinity from glibc versions before   ***
1778         dnl *** 2.3.4. The older versions of the function only take 2    ***
1779         dnl *** parameters, not 3.                                       ***
1780         dnl ***                                                          ***
1781         dnl *** Because the interface change was not made in a minor     ***
1782         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1783         dnl *** won't always indicate the interface sched_affinity has.  ***
1784         dnl ****************************************************************
1785         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1786         AC_TRY_COMPILE([#include <sched.h>], [
1787             int mask = 1; 
1788             sched_setaffinity(0, &mask);
1789         ], [
1790                 # Yes, we have it...
1791                 AC_MSG_RESULT(yes)
1792                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1793         ], [
1794                 # We have the new, three-parameter version
1795                 AC_MSG_RESULT(no)
1796         ])
1797         AC_TRY_COMPILE([#include <sched.h>], [
1798              CPU_COUNT((void *) 0);
1799         ], [
1800                 AC_MSG_RESULT(yes)
1801                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1802         ], [
1803                 # We have the new, three-parameter version
1804                 AC_MSG_RESULT(no)
1805         ])
1807         dnl ******************************************************************
1808         dnl *** Check for large file support                               ***
1809         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1810         dnl ******************************************************************
1811         
1812         # Check that off_t can represent 2**63 - 1 correctly, working around
1813         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1814         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1815         large_offt=no
1816         AC_DEFUN([LARGE_FILES], [
1817                 large_CPPFLAGS=$CPPFLAGS
1818                 CPPFLAGS="$CPPFLAGS $1"
1819                 AC_TRY_COMPILE([
1820                         #include <sys/types.h>
1821                         #include <limits.h>
1822                 ], [
1823                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1824                         #define COMPILE_TIME_ASSERT(pred) \
1825                                 switch(0){case 0:case pred:;}
1826                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1827                 ], [
1828                         AC_MSG_RESULT(ok)
1829                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1830                         large_CPPFLAGS="$large_CPPFLAGS $1"
1831                         large_offt=yes
1832                 ], [
1833                         AC_MSG_RESULT(no)
1834                 ])
1835                 CPPFLAGS=$large_CPPFLAGS
1836         ])
1838         AC_MSG_CHECKING(if off_t is 64 bits wide)
1839         LARGE_FILES("")
1840         if test $large_offt = no; then
1841                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1842                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1843         fi
1844         if test $large_offt = no; then
1845                 AC_MSG_WARN([No 64 bit file size support available])
1846         fi
1847         
1848         dnl *****************************
1849         dnl *** Checks for libsocket  ***
1850         dnl *****************************
1851         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1853         case "$host" in
1854                 *-*-*freebsd*)
1855                         dnl *****************************
1856                         dnl *** Checks for libinotify ***
1857                         dnl *****************************
1858                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1859         esac
1861         dnl *******************************
1862         dnl *** Checks for MSG_NOSIGNAL ***
1863         dnl *******************************
1864         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1865         AC_TRY_COMPILE([#include <sys/socket.h>], [
1866                 int f = MSG_NOSIGNAL;
1867         ], [
1868                 # Yes, we have it...
1869                 AC_MSG_RESULT(yes)
1870                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1871         ], [
1872                 # We'll have to use signals
1873                 AC_MSG_RESULT(no)
1874         ])
1876         dnl *****************************
1877         dnl *** Checks for IPPROTO_IP ***
1878         dnl *****************************
1879         AC_MSG_CHECKING(for IPPROTO_IP)
1880         AC_TRY_COMPILE([#include <netinet/in.h>], [
1881                 int level = IPPROTO_IP;
1882         ], [
1883                 # Yes, we have it...
1884                 AC_MSG_RESULT(yes)
1885                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1886         ], [
1887                 # We'll have to use getprotobyname
1888                 AC_MSG_RESULT(no)
1889         ])
1891         dnl *******************************
1892         dnl *** Checks for IPPROTO_IPV6 ***
1893         dnl *******************************
1894         AC_MSG_CHECKING(for IPPROTO_IPV6)
1895         AC_TRY_COMPILE([#include <netinet/in.h>], [
1896                 int level = IPPROTO_IPV6;
1897         ], [
1898                 # Yes, we have it...
1899                 AC_MSG_RESULT(yes)
1900                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1901         ], [
1902                 # We'll have to use getprotobyname
1903                 AC_MSG_RESULT(no)
1904         ])
1906         dnl ******************************
1907         dnl *** Checks for IPPROTO_TCP ***
1908         dnl ******************************
1909         AC_MSG_CHECKING(for IPPROTO_TCP)
1910         AC_TRY_COMPILE([#include <netinet/in.h>], [
1911                 int level = IPPROTO_TCP;
1912         ], [
1913                 # Yes, we have it...
1914                 AC_MSG_RESULT(yes)
1915                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1916         ], [
1917                 # We'll have to use getprotobyname
1918                 AC_MSG_RESULT(no)
1919         ])
1921         dnl *****************************
1922         dnl *** Checks for SOL_IP     ***
1923         dnl *****************************
1924         AC_MSG_CHECKING(for SOL_IP)
1925         AC_TRY_COMPILE([#include <netdb.h>], [
1926                 int level = SOL_IP;
1927         ], [
1928                 # Yes, we have it...
1929                 AC_MSG_RESULT(yes)
1930                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1931         ], [
1932                 # We'll have to use getprotobyname
1933                 AC_MSG_RESULT(no)
1934         ])
1936         dnl *****************************
1937         dnl *** Checks for SOL_IPV6     ***
1938         dnl *****************************
1939         AC_MSG_CHECKING(for SOL_IPV6)
1940         AC_TRY_COMPILE([#include <netdb.h>], [
1941                 int level = SOL_IPV6;
1942         ], [
1943                 # Yes, we have it...
1944                 AC_MSG_RESULT(yes)
1945                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1946         ], [
1947                 # We'll have to use getprotobyname
1948                 AC_MSG_RESULT(no)
1949         ])
1951         dnl *****************************
1952         dnl *** Checks for SOL_TCP    ***
1953         dnl *****************************
1954         AC_MSG_CHECKING(for SOL_TCP)
1955         AC_TRY_COMPILE([#include <netdb.h>], [
1956                 int level = SOL_TCP;
1957         ], [
1958                 # Yes, we have it...
1959                 AC_MSG_RESULT(yes)
1960                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1961         ], [
1962                 # We'll have to use getprotobyname
1963                 AC_MSG_RESULT(no)
1964         ])
1966         dnl *****************************
1967         dnl *** Checks for IP_PKTINFO ***
1968         dnl *****************************
1969         AC_MSG_CHECKING(for IP_PKTINFO)
1970         AC_TRY_COMPILE([#include <linux/in.h>], [
1971                 int level = IP_PKTINFO;
1972         ], [
1973                 # Yes, we have it...
1974                 AC_MSG_RESULT(yes)
1975                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1976         ], [
1977                 AC_MSG_RESULT(no)
1978         ])
1980         dnl *****************************
1981         dnl *** Checks for IPV6_PKTINFO ***
1982         dnl *****************************
1983         AC_MSG_CHECKING(for IPV6_PKTINFO)
1984         AC_TRY_COMPILE([#include <netdb.h>], [
1985                 int level = IPV6_PKTINFO;
1986         ], [
1987                 # Yes, we have it...
1988                 AC_MSG_RESULT(yes)
1989                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1990         ], [
1991                 AC_MSG_RESULT(no)
1992         ])
1994         dnl **********************************
1995         dnl *** Checks for IP_DONTFRAG     ***
1996         dnl **********************************
1997         AC_MSG_CHECKING(for IP_DONTFRAG)
1998         AC_TRY_COMPILE([#include <netinet/in.h>], [
1999                 int level = IP_DONTFRAG;
2000         ], [
2001                 # Yes, we have it...
2002                 AC_MSG_RESULT(yes)
2003                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
2004         ], [
2005                 AC_MSG_RESULT(no)
2006         ])
2008         dnl **********************************
2009         dnl *** Checks for IP_DONTFRAGMENT ***
2010         dnl **********************************
2011         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
2012         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
2013                 int level = IP_DONTFRAGMENT;
2014         ], [
2015                 # Yes, we have it...
2016                 AC_MSG_RESULT(yes)
2017                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
2018         ], [
2019                 AC_MSG_RESULT(no)
2020         ])
2022         dnl **********************************
2023         dnl *** Checks for IP_MTU_DISCOVER ***
2024         dnl **********************************
2025         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
2026         AC_TRY_COMPILE([#include <linux/in.h>], [
2027                 int level = IP_MTU_DISCOVER;
2028         ], [
2029                 # Yes, we have it...
2030                 AC_MSG_RESULT(yes)
2031                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
2032         ], [
2033                 AC_MSG_RESULT(no)
2034         ])
2036         dnl **********************************
2037         dnl *** Checks for  IP_PMTUDISC_DO ***
2038         dnl **********************************
2039         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
2040         AC_TRY_COMPILE([#include <linux/in.h>], [
2041                 int level = IP_PMTUDISC_DO;
2042         ], [
2043                 # Yes, we have it...
2044                 AC_MSG_RESULT(yes)
2045                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
2046         ], [
2047                 AC_MSG_RESULT(no)
2048         ])
2050         dnl *********************************
2051         dnl *** Check for struct ip_mreqn ***
2052         dnl *********************************
2053         AC_MSG_CHECKING(for struct ip_mreqn)
2054         AC_TRY_COMPILE([#include <netinet/in.h>], [
2055                 struct ip_mreqn mreq;
2056                 mreq.imr_address.s_addr = 0;
2057         ], [
2058                 # Yes, we have it...
2059                 AC_MSG_RESULT(yes)
2060                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
2061         ], [
2062                 # We'll just have to try and use struct ip_mreq
2063                 AC_MSG_RESULT(no)
2064                 AC_MSG_CHECKING(for struct ip_mreq)
2065                 AC_TRY_COMPILE([#include <netinet/in.h>], [
2066                         struct ip_mreq mreq;
2067                         mreq.imr_interface.s_addr = 0;
2068                 ], [
2069                         # Yes, we have it...
2070                         AC_MSG_RESULT(yes)
2071                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
2072                 ], [
2073                         # No multicast support
2074                         AC_MSG_RESULT(no)
2075                 ])
2076         ])
2077         
2078         dnl **********************************
2079         dnl *** Check for getaddrinfo ***
2080         dnl **********************************
2081         AC_MSG_CHECKING(for getaddrinfo)
2082                 AC_TRY_LINK([
2083                 #include <stdio.h>
2084                 #include <netdb.h>
2085         ], [
2086                 getaddrinfo(NULL,NULL,NULL,NULL);
2087         ], [
2088                 # Yes, we have it...
2089                 AC_MSG_RESULT(yes)
2090                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2091         ], [
2092                 AC_MSG_RESULT(no)
2093         ])
2095         dnl **********************************
2096         dnl *** Check for gethostbyname2_r ***
2097         dnl **********************************
2098         AC_MSG_CHECKING(for gethostbyname2_r)
2099                 AC_TRY_LINK([
2100                 #include <stdio.h>
2101                 #include <netdb.h>
2102         ], [
2104                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
2105         ], [
2106                 # Yes, we have it...
2107                 AC_MSG_RESULT(yes)
2108                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
2109         ], [
2110                 AC_MSG_RESULT(no)
2111         ])
2113         dnl **********************************
2114         dnl *** Check for gethostbyname2 ***
2115         dnl **********************************
2116         AC_MSG_CHECKING(for gethostbyname2)
2117                 AC_TRY_LINK([
2118                 #include <stdio.h>
2119                 #include <netdb.h>
2120         ], [
2121                 gethostbyname2(NULL,0);
2122         ], [
2123                 # Yes, we have it...
2124                 AC_MSG_RESULT(yes)
2125                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
2126         ], [
2127                 AC_MSG_RESULT(no)
2128         ])
2130         dnl **********************************
2131         dnl *** Check for gethostbyname ***
2132         dnl **********************************
2133         AC_MSG_CHECKING(for gethostbyname)
2134                 AC_TRY_LINK([
2135                 #include <stdio.h>
2136                 #include <netdb.h>
2137         ], [
2138                 gethostbyname(NULL);
2139         ], [
2140                 # Yes, we have it...
2141                 AC_MSG_RESULT(yes)
2142                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2143         ], [
2144                 AC_MSG_RESULT(no)
2145         ])
2147         dnl **********************************
2148         dnl *** Check for getprotobyname ***
2149         dnl **********************************
2150         AC_MSG_CHECKING(for getprotobyname)
2151                 AC_TRY_LINK([
2152                 #include <stdio.h>
2153                 #include <netdb.h>
2154         ], [
2155                 getprotobyname(NULL);
2156         ], [
2157                 # Yes, we have it...
2158                 AC_MSG_RESULT(yes)
2159                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2160         ], [
2161                 AC_MSG_RESULT(no)
2162         ])
2164         dnl **********************************
2165         dnl *** Check for getnameinfo ***
2166         dnl **********************************
2167         AC_MSG_CHECKING(for getnameinfo)
2168                 AC_TRY_LINK([
2169                 #include <stdio.h>
2170                 #include <netdb.h>
2171         ], [
2172                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2173         ], [
2174                 # Yes, we have it...
2175                 AC_MSG_RESULT(yes)
2176                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2177         ], [
2178                 AC_MSG_RESULT(no)
2179         ])
2182         dnl **********************************
2183         dnl *** Check for inet_ntop ***
2184         dnl **********************************
2185         AC_MSG_CHECKING(for inet_ntop)
2186                 AC_TRY_LINK([
2187                 #include <stdio.h>
2188                 #include <arpa/inet.h>
2189         ], [
2190                 inet_ntop (0, NULL, NULL, 0);
2191         ], [
2192                 # Yes, we have it...
2193                 AC_MSG_RESULT(yes)
2194                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2195         ], [
2196                 AC_MSG_RESULT(no)
2197         ])
2199         dnl *****************************
2200         dnl *** Checks for libnsl     ***
2201         dnl *****************************
2202         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
2204         AC_CHECK_FUNCS(inet_pton inet_aton)
2206         dnl *****************************
2207         dnl *** Checks for libxnet    ***
2208         dnl *****************************
2209         case "${host}" in
2210                 *solaris* )
2211                         AC_MSG_CHECKING(for Solaris XPG4 support)
2212                         if test -f /usr/lib/libxnet.so; then
2213                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
2214                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
2215                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
2216                                 LIBS="$LIBS -lxnet"
2217                                 AC_MSG_RESULT(yes)
2218                         else
2219                                 AC_MSG_RESULT(no)
2220                         fi
2222                         if test "$GCC" = "yes"; then
2223                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
2224                         fi
2225                 ;;
2226         esac
2228         dnl *****************************
2229         dnl *** Checks for libpthread ***
2230         dnl *****************************
2231 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
2232 # and libpthread does not exist
2234         case "${host}" in
2235                 *-*-*haiku*)
2236                         dnl Haiku has pthread in libroot (libc equiv)
2237                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
2238                 ;;
2239                 *-*-*freebsd*)
2240                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
2241                 ;;
2242                 *-*-*openbsd*)
2243                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
2244                 ;;
2245                 *)
2246                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
2247                 ;;
2248         esac
2249         AC_CHECK_HEADERS(pthread.h)
2250         AC_CHECK_HEADERS(pthread_np.h)
2251         AC_CHECK_FUNCS(pthread_mutex_timedlock)
2252         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
2253         AC_CHECK_FUNCS(pthread_kill)
2254         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
2255         AC_TRY_COMPILE([ #include <pthread.h>], [
2256                 pthread_mutexattr_t attr;
2257                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2258         ], [
2259                 AC_MSG_RESULT(ok)
2260         ], [
2261                 AC_MSG_RESULT(no)
2262                 AC_ERROR(Posix system lacks support for recursive mutexes)
2263         ])
2264         AC_CHECK_FUNCS(pthread_attr_setstacksize)
2265         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
2266         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
2268         dnl **********************************
2269         dnl *** Check for mincore ***
2270         dnl **********************************
2271         AC_MSG_CHECKING(for mincore)
2272                 AC_TRY_LINK([
2273                 #include <stdio.h>
2274                 #include <sys/types.h>
2275                 #include <sys/mman.h>
2276         ], [
2277                 mincore(NULL, 0, NULL);
2278         ], [
2279                 # Yes, we have it...
2280                 AC_MSG_RESULT(yes)
2281                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
2282         ], [
2283                 AC_MSG_RESULT(no)
2284         ])
2286         dnl ***********************************
2287         dnl *** Checks for working __thread ***
2288         dnl ***********************************
2289         AC_MSG_CHECKING(for working __thread)
2290         if test "x$with_tls" != "x__thread"; then
2291                 AC_MSG_RESULT(disabled)
2292         elif test "x$cross_compiling" = "xyes"; then
2293                 AC_MSG_RESULT(cross compiling, assuming yes)
2294         else
2295                 AC_TRY_RUN([
2296                         #if defined(__APPLE__) && defined(__clang__)
2297                         #error "__thread does not currently work with clang on Mac OS X"
2298                         #endif
2299                         
2300                         #include <pthread.h>
2301                         __thread int i;
2302                         static int res1, res2;
2304                         void thread_main (void *arg)
2305                         {
2306                                 i = arg;
2307                                 sleep (1);
2308                                 if (arg == 1)
2309                                         res1 = (i == arg);
2310                                 else
2311                                         res2 = (i == arg);
2312                         }
2314                         int main () {
2315                                 pthread_t t1, t2;
2317                                 i = 5;
2319                                 pthread_create (&t1, NULL, thread_main, 1);
2320                                 pthread_create (&t2, NULL, thread_main, 2);
2322                                 pthread_join (t1, NULL);
2323                                 pthread_join (t2, NULL);
2325                                 return !(res1 + res2 == 2);
2326                         }
2327                 ], [
2328                                 AC_MSG_RESULT(yes)
2329                 ], [
2330                                 AC_MSG_RESULT(no)
2331                                 with_tls=pthread
2332                 ])
2333         fi
2335         dnl **************************************
2336         dnl *** Checks for working sigaltstack ***
2337         dnl **************************************
2338         AC_MSG_CHECKING(for working sigaltstack)
2339         if test "x$with_sigaltstack" != "xyes"; then
2340                 AC_MSG_RESULT(disabled)
2341         elif test "x$cross_compiling" = "xyes"; then
2342                 AC_MSG_RESULT(cross compiling, assuming yes)
2343         else
2344                 AC_TRY_RUN([
2345                         #include <stdio.h>
2346                         #include <stdlib.h>
2347                         #include <unistd.h>
2348                         #include <signal.h>
2349                         #include <pthread.h>
2350                         #include <sys/wait.h>
2351                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2352                         #define SA_STACK SA_ONSTACK
2353                         #endif
2354                         static void
2355                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2356                         {
2357                                 exit (0);
2358                         }
2360                         volatile char*__ptr = NULL;
2361                         static void *
2362                         loop (void *ignored)
2363                         {
2364                                 *__ptr = 0;
2365                                 return NULL;
2366                         }
2368                         static void
2369                         child ()
2370                         {
2371                                 struct sigaction sa;
2372                                 stack_t sas;
2373                                 pthread_t id;
2374                                 pthread_attr_t attr;
2376                                 sa.sa_sigaction = sigsegv_signal_handler;
2377                                 sigemptyset (&sa.sa_mask);
2378                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2379                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2380                                         perror ("sigaction");
2381                                         return;
2382                                 }
2384                                 /* x86 darwin deliver segfaults using SIGBUS */
2385                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2386                                         perror ("sigaction");
2387                                         return;
2388                                 }
2389                                 sas.ss_sp = malloc (SIGSTKSZ);
2390                                 sas.ss_size = SIGSTKSZ;
2391                                 sas.ss_flags = 0;
2392                                 if (sigaltstack (&sas, NULL) == -1) {
2393                                         perror ("sigaltstack");
2394                                         return;
2395                                 }
2397                                 pthread_attr_init (&attr);
2398                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2399                                         printf ("pthread_create\n");
2400                                         return;
2401                                 }
2403                                 sleep (100);
2404                         }
2406                         int
2407                         main ()
2408                         {
2409                                 pid_t son;
2410                                 int status;
2411                                 int i;
2413                                 son = fork ();
2414                                 if (son == -1) {
2415                                         return 1;
2416                                 }
2418                                 if (son == 0) {
2419                                         child ();
2420                                         return 0;
2421                                 }
2423                                 for (i = 0; i < 300; ++i) {
2424                                         waitpid (son, &status, WNOHANG);
2425                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2426                                                 return 0;
2427                                         usleep (10000);
2428                                 }
2430                                 kill (son, SIGKILL);
2431                                 return 1;
2432                         }
2434                 ], [
2435                                 AC_MSG_RESULT(yes)
2436                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2437                 ], [
2438                                 with_sigaltstack=no
2439                                 AC_MSG_RESULT(no)
2440                 ])
2441         fi
2443         dnl ********************************
2444         dnl *** Checks for semaphore lib ***
2445         dnl ********************************
2446         # 'Real Time' functions on Solaris
2447         # posix4 on Solaris 2.6
2448         # pthread (first!) on Linux
2449         AC_SEARCH_LIBS(sem_init, pthread rt posix4) 
2451         AC_SEARCH_LIBS(shm_open, pthread rt posix4) 
2452         AC_CHECK_FUNCS(shm_open)
2454         dnl ********************************
2455         dnl *** Checks for timezone stuff **
2456         dnl ********************************
2457         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2458                 AC_TRY_COMPILE([
2459                         #include <time.h>
2460                         ], [
2461                         struct tm tm;
2462                         tm.tm_gmtoff = 1;
2463                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2464         if test $ac_cv_struct_tm_gmtoff = yes; then
2465                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2466         else
2467                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2468                         AC_TRY_COMPILE([
2469                                 #include <time.h>
2470                         ], [
2471                                 timezone = 1;
2472                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2473                 if test $ac_cv_var_timezone = yes; then
2474                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2475                 else
2476                         AC_ERROR(unable to find a way to determine timezone)
2477                 fi
2478         fi
2480         dnl *********************************
2481         dnl *** Checks for math functions ***
2482         dnl *********************************
2483         AC_SEARCH_LIBS(sqrtf, m)
2484         if test "x$has_broken_apple_cpp" != "xyes"; then
2485                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2486                         AC_TRY_LINK([#include <math.h>], 
2487                         [ finite(0.0); ], 
2488                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2489                         AC_MSG_RESULT(no)))
2490         fi
2491         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2492                 AC_TRY_LINK([#include <math.h>], 
2493                 [ isfinite(0.0); ], 
2494                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2495                 AC_MSG_RESULT(no)))
2497         dnl ****************************************************************
2498         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2499         dnl *** have it in the library (duh))                            ***
2500         dnl ****************************************************************
2501         AC_CHECK_FUNCS(poll)
2503         dnl *************************
2504         dnl *** Check for signbit ***
2505         dnl *************************
2506         AC_MSG_CHECKING(for signbit)
2507         AC_TRY_LINK([#include <math.h>], [
2508                 int s = signbit(1.0);
2509         ], [
2510                 AC_MSG_RESULT(yes)
2511                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2512         ], [
2513                 AC_MSG_RESULT(no)
2514         ]) 
2516         dnl **********************************
2517         dnl *** epoll                      ***
2518         dnl **********************************
2519         AC_CHECK_HEADERS(sys/epoll.h)
2520         haveepoll=no
2521         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2522         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2523                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2524         fi
2526         havekqueue=no
2528         AC_CHECK_HEADERS(sys/event.h)
2529         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2531         dnl **************************************
2532         dnl * Darwin has a race that prevents us from using reliably:
2533         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2534         dnl * Since kqueue is mostly used for scaling large web servers, 
2535         dnl * and very few folks run Mono on large web servers on OSX, falling
2536         dnl * back 
2537         dnl **************************************
2538         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2539                 if test "x$host_darwin" = "xno"; then
2540                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2541                 fi
2542         fi
2544         dnl ******************************
2545         dnl *** Checks for SIOCGIFCONF ***
2546         dnl ******************************
2547         AC_CHECK_HEADERS(sys/ioctl.h)
2548         AC_CHECK_HEADERS(net/if.h, [], [],
2549            [
2550            #ifdef HAVE_SYS_TYPES_H
2551            # include <sys/types.h>
2552            #endif
2553            #ifdef HAVE_SYS_SOCKET_H
2554            # include <sys/socket.h>
2555            #endif
2556            ])
2557         AC_MSG_CHECKING(for ifreq)
2558         AC_TRY_COMPILE([
2559                 #include <stdio.h>
2560                 #include <sys/ioctl.h>
2561                 #include <net/if.h>
2562                 ], [
2563                 struct ifconf ifc;
2564                 struct ifreq *ifr;
2565                 void *x;
2566                 ifc.ifc_len = 0;
2567                 ifc.ifc_buf = NULL;
2568                 x = (void *) &ifr->ifr_addr;
2569                 ],[
2570                         AC_MSG_RESULT(yes)
2571                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2572                 ], [
2573                         AC_MSG_RESULT(no)
2574                 ])
2575         dnl **********************************
2576         dnl ***     Checks for sin_len     ***
2577         dnl **********************************
2578         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2579         AC_TRY_COMPILE([
2580                 #include <netinet/in.h>
2581                 ], [
2582                 struct sockaddr_in saddr;
2583                 saddr.sin_len = sizeof (saddr);
2584                 ],[
2585                         AC_MSG_RESULT(yes)
2586                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2587                 ], [
2588                         AC_MSG_RESULT(no)
2589                 ])      
2590         dnl **********************************
2591         dnl ***    Checks for sin6_len     ***
2592         dnl **********************************
2593         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2594         AC_TRY_COMPILE([
2595                 #include <netinet/in.h>
2596                 ], [
2597                 struct sockaddr_in6 saddr6;
2598                 saddr6.sin6_len = sizeof (saddr6);
2599                 ],[
2600                         AC_MSG_RESULT(yes)
2601                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2602                 ], [
2603                         AC_MSG_RESULT(no)
2604                 ])
2605         dnl **********************************
2606         dnl *** Check for getifaddrs       ***
2607         dnl **********************************
2608         AC_MSG_CHECKING(for getifaddrs)
2609                 AC_TRY_LINK([
2610                 #include <stdio.h>
2611                 #include <sys/types.h>
2612                 #include <sys/socket.h>
2613                 #include <ifaddrs.h>
2614         ], [
2615                 getifaddrs(NULL);
2616         ], [
2617                 # Yes, we have it...
2618                 AC_MSG_RESULT(yes)
2619                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2620         ], [
2621                 AC_MSG_RESULT(no)
2622         ])
2623         dnl **********************************
2624         dnl *** Check for if_nametoindex   ***
2625         dnl **********************************
2626         AC_MSG_CHECKING(for if_nametoindex)
2627                 AC_TRY_LINK([
2628                 #include <stdio.h>
2629                 #include <sys/types.h>
2630                 #include <sys/socket.h>
2631                 #include <net/if.h>
2632         ], [
2633                 if_nametoindex(NULL);
2634         ], [
2635                 # Yes, we have it...
2636                 AC_MSG_RESULT(yes)
2637                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2638         ], [
2639                 AC_MSG_RESULT(no)
2640         ])
2641         dnl **********************************
2642         dnl *** Check for access ***
2643         dnl **********************************
2644         AC_MSG_CHECKING(for access)
2645                 AC_TRY_LINK([
2646                 #include <unistd.h>
2647         ], [
2648                 access(NULL,0);
2649         ], [
2650                 # Yes, we have it...
2651                 AC_MSG_RESULT(yes)
2652                 AC_DEFINE(HAVE_ACCESS, 1, [Have access])
2653         ], [
2654                 AC_MSG_RESULT(no)
2655         ])
2656                         
2657         dnl **********************************
2658         dnl *** Checks for proclib         ***
2659         dnl **********************************
2660         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2661         dnl **********************************
2662         dnl *** Checks for MonoPosixHelper ***
2663         dnl **********************************
2664         AC_CHECK_HEADERS(checklist.h)
2665         AC_CHECK_HEADERS(pathconf.h)
2666         AC_CHECK_HEADERS(fstab.h)
2667         AC_CHECK_HEADERS(attr/xattr.h)
2668         AC_CHECK_HEADERS(sys/extattr.h)
2669         AC_CHECK_HEADERS(sys/sendfile.h)
2670         AC_CHECK_HEADERS(sys/statvfs.h)
2671         AC_CHECK_HEADERS(sys/statfs.h)
2672         AC_CHECK_HEADERS(sys/vfstab.h)
2673         AC_CHECK_HEADERS(sys/xattr.h)
2674         AC_CHECK_HEADERS(sys/mman.h)
2675         AC_CHECK_HEADERS(sys/param.h)
2676         AC_CHECK_HEADERS(sys/mount.h, [], [],
2677                 [
2678                 #ifdef HAVE_SYS_PARAM_H
2679                 # include <sys/param.h>
2680                 #endif
2681                 ])
2682         AC_CHECK_HEADERS(sys/mount.h)
2683         AC_CHECK_FUNCS(confstr)
2684         AC_CHECK_FUNCS(seekdir telldir)
2685         AC_CHECK_FUNCS(getdomainname)
2686         AC_CHECK_FUNCS(setdomainname)
2687         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2688         AC_CHECK_FUNCS(setgroups)
2689         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2690         AC_CHECK_FUNCS(getfsstat)
2691         AC_CHECK_FUNCS(lutimes futimes)
2692         AC_CHECK_FUNCS(mremap)
2693         AC_CHECK_FUNCS(remap_file_pages)
2694         AC_CHECK_FUNCS(posix_fadvise)
2695         AC_CHECK_FUNCS(posix_fallocate)
2696         AC_CHECK_FUNCS(posix_madvise)
2697         AC_CHECK_FUNCS(vsnprintf)
2698         AC_CHECK_FUNCS(sendfile)
2699         AC_CHECK_FUNCS(gethostid sethostid)
2700         AC_CHECK_FUNCS(sethostname)
2701         AC_CHECK_FUNCS(statfs)
2702         AC_CHECK_FUNCS(fstatfs)
2703         AC_CHECK_FUNCS(statvfs)
2704         AC_CHECK_FUNCS(fstatvfs)
2705         AC_CHECK_FUNCS(stime)
2706         AC_CHECK_FUNCS(strerror_r)
2707         AC_CHECK_FUNCS(ttyname_r)
2708         AC_CHECK_FUNCS(psignal)
2709         AC_CHECK_FUNCS(getlogin_r)
2710         AC_CHECK_FUNCS(lockf)
2711         AC_CHECK_FUNCS(swab)
2712         AC_CHECK_FUNCS(setusershell endusershell)
2713         AC_CHECK_FUNCS(futimens utimensat)
2714         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2715         AC_CHECK_FUNCS(readv writev preadv pwritev)
2716         AC_CHECK_FUNCS(setpgid)
2717         AC_CHECK_FUNCS(system)
2718         AC_CHECK_FUNCS(fork execv execve)
2719         AC_CHECK_FUNCS(accept4)
2720         AC_CHECK_FUNCS(localtime_r)
2721         AC_CHECK_FUNCS(mkdtemp)
2722         AC_CHECK_SIZEOF(size_t)
2723         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], , 
2724                 [#include <sys/types.h>
2725                  #include <sys/stat.h>
2726                  #include <unistd.h>])
2727         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2728                 [#include <sys/types.h>
2729                  #include <sys/stat.h>
2730                  #include <unistd.h>])
2731         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2732                 [#include <sys/time.h>])
2733         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2734                 [#include <sys/socket.h>])
2735         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2736                 [#include <unistd.h>
2737                  #include <fcntl.h>])
2738         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2739                 [#include <sys/uio.h>])
2740         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2741                 [#include <sys/socket.h>])
2742         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2743                 [#include <sys/poll.h>])
2744         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2745                 [#include <sys/socket.h>])
2746         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2747                 [#include <sys/socket.h>])
2748         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2749                 [#include <netinet/in.h>])
2750         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2751                 [#include <netinet/in.h>])
2752         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2753                 [#include <sys/un.h>])
2754         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2755                 [#include <sys/types.h>
2756                  #include <sys/stat.h>
2757                  #include <unistd.h>])
2758         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2759                 [#include <time.h>])
2760         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2761                 [#include <sys/time.h>
2762                  #include <sys/types.h>
2763                  #include <utime.h>])
2764         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2765                 [#include <sys/time.h>])
2766         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2767                 [#include <sys/types.h>
2768                  #include <utime.h>])
2769         AC_CHECK_MEMBERS(
2770                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,, 
2771                 [#include <sys/types.h>
2772                  #include <dirent.h>])
2773         AC_CHECK_MEMBERS(
2774                 [struct passwd.pw_gecos],,, 
2775                 [#include <sys/types.h>
2776                  #include <pwd.h>])
2777         AC_CHECK_MEMBERS(
2778                 [struct statfs.f_flags],,, 
2779                 [#include <sys/types.h>
2780                  #include <sys/vfs.h>])
2781         AC_CHECK_MEMBERS(
2782                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_atimespec, struct stat.st_ctim],,, 
2783                 [#include <sys/types.h>
2784                  #include <sys/stat.h>
2785                  #include <unistd.h>])
2787         dnl Favour xattr through glibc, but use libattr if we have to
2788         AC_CHECK_FUNC(lsetxattr, ,
2789                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2790         )
2791         AC_SUBST(XATTR_LIB)
2793         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2794         AC_CHECK_MEMBERS(
2795                 [struct kinfo_proc.kp_proc],,, 
2796                 [#include <sys/types.h>
2797                  #include <sys/param.h>
2798                  #include <sys/sysctl.h>
2799                  #include <sys/proc.h>
2800                  ])
2802         dnl *********************************
2803         dnl *** Checks for Windows compilation ***
2804         dnl *********************************
2805         AC_CHECK_HEADERS(sys/time.h)
2806         AC_CHECK_HEADERS(sys/param.h)
2807         AC_CHECK_HEADERS(dirent.h)
2809         dnl ******************************************
2810         dnl *** Checks for OSX and iOS compilation ***
2811         dnl ******************************************
2812         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2814         dnl *********************************
2815         dnl *** Check for Console 2.0 I/O ***
2816         dnl *********************************
2817         AC_CHECK_HEADERS([curses.h])
2818         AC_CHECK_HEADERS([term.h], [], [],
2819         [#if HAVE_CURSES_H
2820          #include <curses.h>
2821          #endif
2822         ])
2823         AC_CHECK_HEADERS([termios.h])
2825         dnl *********************************
2826         dnl *** Checks for random         ***
2827         dnl *********************************
2828         if test x$host_darwin = xno; then
2829                 AC_CHECK_HEADERS(sys/random.h)
2830                 AC_CHECK_FUNCS(getrandom getentropy)
2831         fi
2832 else
2833         dnl *********************************
2834         dnl *** Checks for Windows compilation ***
2835         dnl *********************************
2836         AC_CHECK_HEADERS(winternl.h)
2838         jdk_headers_found=no
2839         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2840         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2841         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2842         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2843         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2844         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2845         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2847         dnl *********************************
2848         dnl *** Check for struct ip_mreqn ***
2849         dnl *********************************
2850         AC_MSG_CHECKING(for struct ip_mreqn)
2851         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2852                 struct ip_mreqn mreq;
2853                 mreq.imr_address.s_addr = 0;
2854         ], [
2855                 # Yes, we have it...
2856                 AC_MSG_RESULT(yes)
2857                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2858         ], [
2859                 # We'll just have to try and use struct ip_mreq
2860                 AC_MSG_RESULT(no)
2861                 AC_MSG_CHECKING(for struct ip_mreq)
2862                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2863                         struct ip_mreq mreq;
2864                         mreq.imr_interface.s_addr = 0;
2865                 ], [
2866                         # Yes, we have it...
2867                         AC_MSG_RESULT(yes)
2868                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2869                 ], [
2870                         # No multicast support
2871                         AC_MSG_RESULT(no)
2872                 ])
2873         ])
2875         dnl **********************************
2876         dnl *** Check for getaddrinfo ***
2877         dnl **********************************
2878         AC_MSG_CHECKING(for getaddrinfo)
2879                 AC_TRY_LINK([
2880                 #include <stdio.h>
2881                 #include <winsock2.h>
2882                 #include <ws2tcpip.h>
2883         ], [
2884                 getaddrinfo(NULL,NULL,NULL,NULL);
2885         ], [
2886                 # Yes, we have it...
2887                 AC_MSG_RESULT(yes)
2888                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2889         ], [
2890                 AC_MSG_RESULT(no)
2891         ])
2893         dnl **********************************
2894         dnl *** Check for gethostbyname ***
2895         dnl **********************************
2896         AC_MSG_CHECKING(for gethostbyname)
2897                 AC_TRY_LINK([
2898                 #include <stdio.h>
2899                 #include <winsock2.h>
2900                 #include <ws2tcpip.h>
2901         ], [
2902                 gethostbyname(NULL);
2903         ], [
2904                 # Yes, we have it...
2905                 AC_MSG_RESULT(yes)
2906                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2907         ], [
2908                 AC_MSG_RESULT(no)
2909         ])
2911         dnl **********************************
2912         dnl *** Check for getprotobyname ***
2913         dnl **********************************
2914         AC_MSG_CHECKING(for getprotobyname)
2915                 AC_TRY_LINK([
2916                 #include <stdio.h>
2917                 #include <winsock2.h>
2918                 #include <ws2tcpip.h>
2919         ], [
2920                 getprotobyname(NULL);
2921         ], [
2922                 # Yes, we have it...
2923                 AC_MSG_RESULT(yes)
2924                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2925         ], [
2926                 AC_MSG_RESULT(no)
2927         ])
2929         dnl **********************************
2930         dnl *** Check for getnameinfo ***
2931         dnl **********************************
2932         AC_MSG_CHECKING(for getnameinfo)
2933                 AC_TRY_LINK([
2934                 #include <stdio.h>
2935                 #include <winsock2.h>
2936                 #include <ws2tcpip.h>
2937         ], [
2938                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2939         ], [
2940                 # Yes, we have it...
2941                 AC_MSG_RESULT(yes)
2942                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2943         ], [
2944                 AC_MSG_RESULT(no)
2945         ])
2947         dnl **********************************
2948         dnl *** Check for inet_ntop ***
2949         dnl **********************************
2950         AC_MSG_CHECKING(for inet_ntop)
2951                 AC_TRY_LINK([
2952                 #include <stdio.h>
2953                 #include <winsock2.h>
2954                 #include <ws2tcpip.h>
2955         ], [
2956                 inet_ntop (0, NULL, NULL, 0);
2957         ], [
2958                 # Yes, we have it...
2959                 AC_MSG_RESULT(yes)
2960                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2961         ], [
2962                 AC_MSG_RESULT(no)
2963         ])
2965         dnl **********************************
2966         dnl *** Check for inet_pton ***
2967         dnl **********************************
2968         AC_MSG_CHECKING(for inet_pton)
2969                 AC_TRY_LINK([
2970                 #include <stdio.h>
2971                 #include <winsock2.h>
2972                 #include <ws2tcpip.h>
2973         ], [
2974                 #ifndef inet_pton
2975                 (void) inet_pton;
2976                 #endif
2977                 inet_pton (0, NULL, NULL);
2978         ], [
2979                 # Yes, we have it...
2980                 AC_MSG_RESULT(yes)
2981                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2982         ], [
2983                 AC_MSG_RESULT(no)
2984         ])
2986         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2987         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2988         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2989         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2990         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2991         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2992         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2995 dnl socklen_t check
2996 AC_MSG_CHECKING(for socklen_t)
2997 AC_TRY_COMPILE([
2998 #include <sys/types.h>
2999 #include <sys/socket.h>
3001   socklen_t foo;
3003 ac_cv_c_socklen_t=yes
3004         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
3005         AC_MSG_RESULT(yes)
3007         AC_MSG_RESULT(no)
3010 AC_MSG_CHECKING(for array element initializer support)
3011 AC_TRY_COMPILE([#include <sys/socket.h>], [
3012         const int array[] = {[1] = 2,};
3013 ], [
3014         # Yes, we have it...
3015         AC_MSG_RESULT(yes)
3016         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
3017 ], [
3018         # We'll have to use signals
3019         AC_MSG_RESULT(no)
3022 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
3023         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
3024         AC_TRY_LINK([#include <math.h>], 
3025         [ static void *p = &trunc; ],
3026         [
3027                 AC_DEFINE(HAVE_TRUNC) 
3028                 AC_MSG_RESULT(yes)
3029                 ac_cv_trunc=yes
3030         ],
3031         AC_MSG_RESULT(no)))
3033 if test "x$ac_cv_truncl" != "xyes"; then
3034    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
3037 AC_CHECK_FUNCS(execvp)
3039 dnl ****************************
3040 dnl *** Look for /dev/random ***
3041 dnl ****************************
3043 AC_MSG_CHECKING([if usage of random device is requested])
3044 AC_ARG_ENABLE(dev-random,
3045 [  --disable-dev-random    disable the use of the random device (enabled by default)],
3046 try_dev_random=$enableval, try_dev_random=yes)
3048 AC_MSG_RESULT($try_dev_random)
3050 case "{$build}" in
3052 dnl IBM i does not have /dev/random, use unblocking only
3054     *-*-os400*)
3055     NAME_DEV_RANDOM="/dev/urandom"
3056     ;;
3058 dnl Win32 does not have /dev/random, they have their own method...
3060     *-mingw*|*-*-cygwin*)
3061     ac_cv_have_dev_random=no
3062     ;;
3064 dnl Everywhere else, it's /dev/random
3066     *)
3067     NAME_DEV_RANDOM="/dev/random"
3068     ;;
3069 esac
3071 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
3073 dnl Now check if the device actually exists
3075 if test "x$try_dev_random" = "xyes"; then
3076     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
3077     [if test -r "$NAME_DEV_RANDOM" ; then
3078         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
3079     if test "x$ac_cv_have_dev_random" = "xyes"; then
3080         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
3081     fi
3082 else
3083     AC_MSG_CHECKING(for random device)
3084     ac_cv_have_dev_random=no
3085     AC_MSG_RESULT(has been disabled)
3088 if test "x$host_win32" = "xyes"; then
3089     AC_DEFINE(HAVE_CRYPT_RNG)
3092 if test "x$ac_cv_have_dev_random" = "xno" \
3093     && test "x$host_win32" = "xno"; then
3094     AC_MSG_WARN([[
3096 *** A system-provided entropy source was not found on this system.
3097 *** Because of this, the System.Security.Cryptography random number generator
3098 *** will throw a NotImplemented exception.
3100 *** If you are seeing this message, and you know your system DOES have an
3101 *** entropy collection in place, please report an issue on GitHub and
3102 *** provide information about the system and how to access the random device.
3104 *** Otherwise you can install either egd or prngd and set the environment
3105 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
3106 ***]])
3109 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
3111 AC_MSG_CHECKING([if big-arrays are to be enabled])
3112 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
3113 if test "x$enable_big_arrays" = "xyes" ; then
3114     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
3115         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
3116     else
3117         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
3118     fi
3120 AC_MSG_RESULT($enable_big_arrays)
3122 dnl **************
3123 dnl *** DTRACE ***
3124 dnl **************
3126 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
3128 if test "x$enable_dtrace" = "xyes"; then
3129    if test "x$has_dtrace" = "xno"; then
3130           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
3131    fi
3132    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
3133    if test "x$DTRACE" = "xno"; then
3134           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
3135           enable_dtrace=no
3136    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
3137           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
3138           enable_dtrace=no
3139    fi
3142 dtrace_g=no
3143 if test "x$enable_dtrace" = "xyes"; then
3144         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
3145         DTRACEFLAGS=
3146         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3147                 case "$host" in
3148                         powerpc-*-darwin*)
3149                         DTRACEFLAGS="-arch ppc64"
3150                         ;;
3151                         i*86-*-darwin*)
3152                         DTRACEFLAGS="-arch x86_64"
3153                         ;;
3154                         *)
3155                         DTRACEFLAGS=-64
3156                         ;;
3157                 esac
3158         else
3159                 case "$host" in
3160                         powerpc-*-darwin*)
3161                         DTRACEFLAGS="-arch ppc"
3162                         ;;
3163                         i*86-*-darwin*)
3164                         DTRACEFLAGS="-arch i386"
3165                         ;;
3166                         *)
3167                         DTRACEFLAGS=-32
3168                         ;;
3169                 esac
3170         fi
3171         AC_SUBST(DTRACEFLAGS)
3172         case "$host" in
3173                 *-*-solaris*)
3174                 dtrace_g=yes
3175                 ;;
3176         esac
3177         AC_CHECK_HEADERS([sys/sdt.h])
3179 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
3180 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
3182 dnl **************************
3183 dnl *** AOT cross offsets  ***
3184 dnl **************************
3186 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
3187     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
3189 dnl **************
3190 dnl ***  LLVM  ***
3191 dnl **************
3193 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
3194 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
3195 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
3196 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
3198 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
3200 if test "x$enable_llvm" = "xdefault"; then
3201    enable_llvm=$enable_llvm_default
3204 if test "x$enable_llvm" = "xyes"; then
3205    if test "x$with_llvm" != "x"; then
3206           LLVM_CONFIG=$with_llvm/bin/llvm-config
3207           if test x$host_win32 = xyes; then
3208                 LLVM_CONFIG=$LLVM_CONFIG.exe
3209           fi
3210           if test ! -x $LLVM_CONFIG; then
3211                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
3212       fi
3213    else
3214       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
3215       if test "x$LLVM_CONFIG" = "xno"; then
3216              AC_MSG_ERROR([llvm-config not found.])
3217       fi
3218    fi
3220    llvm_codegen="x86codegen"
3221    case "$target" in
3222    arm*)
3223                 llvm_codegen="armcodegen"
3224                 ;;
3225    esac
3227    if test "x$host_win32" = "xno"; then
3229    # Should be something like '2.6' or '2.7svn'
3230    llvm_version=`$LLVM_CONFIG --version`
3231    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
3232    AC_MSG_CHECKING(LLVM version)
3233    AC_MSG_RESULT($llvm_version $llvm_api_version)
3234    if echo $llvm_version | grep -q 'mono'; then
3235           if test "x$enable_llvm_version_check" = "xyes"; then
3236                  if test "$llvm_version" != "$expected_llvm_version"; then
3237                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
3238                  fi
3239           fi
3240    else
3241           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.])
3242    fi
3244    # The output of --cflags seems to include optimizations flags too
3245    if test $llvm_api_version -gt 100; then
3246           # The --cflags argument includes all kinds of warnings -pendantic etc.
3247           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
3248           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
3249    else
3250           LLVM_CFLAGS=`$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'`
3251       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
3252    fi
3253    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
3254    # from LLVM classes.
3255    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
3256    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
3257    # This might include empty lines
3258    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
3259    llvm_jit_supported=yes
3260    llvm_jit_libs="jit mcjit $llvm_codegen"
3261    if test "x$host" != "x$target"; then
3262       # No need for jit libs
3263           llvm_jit_supported=no
3264       llvm_jit_libs=""
3265    elif test $llvm_api_version -gt 100; then
3266       llvm_jit_libs="orcjit $llvm_codegen"
3267    fi
3268    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
3269    if test "x$LLVM_LIBS" = "x"; then
3270           echo "$LLVM_CONFIG --libs failed."
3271           exit 1
3272    fi
3273    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
3274    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
3275    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
3276       LLVM_LIBS="$LLVM_LIBS -lc++"
3277    else
3278       LLVM_LIBS="$LLVM_LIBS -lstdc++"
3279    fi
3281    expected_llvm_version="3.4svn-mono-mono/e656cac"
3283    else
3284        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
3285        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
3286        LLVM_LDFLAGS="-L$with_llvm/lib"
3287        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
3288        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
3289          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
3290          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
3291          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
3292          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
3293          -lLLVMAnalysis -lLLVMTarget \
3294          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
3295          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
3296          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
3297          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
3298          -lLLVMSupport -lstdc++"
3299        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
3301        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
3302        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
3303    fi  
3305    if test "x$llvm_api_version" = "x"; then
3306           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
3307           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
3308    else
3309           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3310           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
3311    fi   
3313    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
3315    AC_SUBST(LLVM_CFLAGS)
3316    AC_SUBST(LLVM_CXXFLAGS)
3317    AC_SUBST(LLVM_LIBS)
3318    AC_SUBST(LLVM_LDFLAGS)
3319    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3322 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3323 if test "x$enable_loadedllvm" = "xyes"; then
3324    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3326 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3328 if test "x$enable_llvm" = "xyes"; then
3329    enable_llvm_runtime=yes
3331 if test "x$enable_llvm_runtime" = "xyes"; then
3332    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3334 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3336 TARGET="unknown"
3337 ACCESS_UNALIGNED="yes"
3339 LIBC="libc.so.6"
3340 INTL="libc.so.6"
3341 SQLITE="libsqlite.so.0"
3342 SQLITE3="libsqlite3.so.0"
3343 X11="libX11.so"
3344 GDKX11="libgdk-x11-2.0.so.0"
3345 GTKX11="libgtk-x11-2.0.so.0"
3346 XINERAMA="libXinerama.so.1"
3348 sizeof_register="SIZEOF_VOID_P"
3350 jit_wanted=true
3351 boehm_supported=true
3352 BTLS_SUPPORTED=no
3353 BTLS_PLATFORM=
3355 if test "x$enable_wasm" = "xyes"; then
3356 TARGET=WASM
3357 HOST=WASM
3358 arch_target=wasm
3359 AC_DEFINE(TARGET_WASM, 1, [Target wasm])
3360 AC_DEFINE(HOST_WASM, 1, [Host wasm])
3361 BTLS_SUPPORTED=no
3362 with_tls=pthread
3363 target_mach=no
3365 else
3367 case "$host" in
3368         mips*)
3369                 TARGET=MIPS;
3370                 arch_target=mips;
3371                 with_tls=pthread;
3372                 ACCESS_UNALIGNED="no"
3374                 AC_MSG_CHECKING(for mips n32)
3375                 AC_TRY_COMPILE([],[
3376                 #if _MIPS_SIM != _ABIN32
3377                 #error Not mips n32
3378                 #endif
3379                 ],[
3380                 AC_MSG_RESULT(yes)
3381                 sizeof_register=8
3382                 ],[
3383                 AC_MSG_RESULT(no)
3384                 ])
3385                 ;;
3386         i*86-*-*)
3387                 TARGET=X86;
3388                 arch_target=x86;
3389                 case $host_os in
3390                   solaris*)
3391                         LIBC="libc.so"
3392                         INTL="libintl.so"
3393                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3394                                 TARGET=AMD64
3395                                 arch_target=amd64
3396                         fi
3398                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3399                         # int astruct __attribute__ ((visibility ("hidden")));
3400                         # void foo ()
3401                         # {
3402                         #       void *p = &astruct;
3403                         # }
3404                         # gcc -fPIC --shared -o libfoo.so foo.c
3405                         # yields:
3406                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3407                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3408                         have_visibility_hidden=no
3409                         ;;
3410                   mingw*|cygwin*)
3411                         have_visibility_hidden=no                 
3412                         ;;
3413                   haiku*)
3414                         LIBC=libroot.so
3415                         ;;
3416                   linux*)
3417                         AOT_SUPPORTED="yes"
3418                         BTLS_SUPPORTED=yes
3419                         BTLS_PLATFORM=i386
3420                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3421                         ;;
3422                   darwin*)
3423                         AOT_SUPPORTED="yes"
3424                         BTLS_SUPPORTED=yes
3425                         BTLS_PLATFORM=i386
3426                         ;;
3427                   openbsd*|freebsd*|kfreebsd-gnu*)
3428                         AOT_SUPPORTED="yes"
3429                         BTLS_SUPPORTED=yes
3430                         BTLS_PLATFORM=i386
3431                         ;;
3432                 esac
3433                 ;;
3434         x86_64-*-* | amd64-*-*)
3435                 TARGET=AMD64;
3436                 arch_target=amd64;
3437                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3438                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3439                         sizeof_register=8
3440                 fi
3441                 case $host_os in
3442                   linux*)
3443                         AOT_SUPPORTED="yes"
3444                         BTLS_SUPPORTED=yes
3445                         BTLS_PLATFORM=x86_64
3446                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3447                         ;;
3448                   darwin*)
3449                         AOT_SUPPORTED="yes"
3450                         BTLS_SUPPORTED=yes
3451                         BTLS_PLATFORM=x86_64
3452                         boehm_supported=false
3453                         ;;
3454                   openbsd*|freebsd*|kfreebsd-gnu*)
3455                         AOT_SUPPORTED="yes"
3456                         BTLS_SUPPORTED=yes
3457                         BTLS_PLATFORM=x86_64
3458                         ;;
3459                   mingw*)
3460                         ;;
3461                 esac
3462                 ;;
3463         sparc*-*-*)
3464                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3465                    TARGET=SPARC64
3466                 else
3467                         TARGET=SPARC
3468                 fi
3469                 arch_target=sparc;
3470                 ACCESS_UNALIGNED="no"
3471                 case $host_os in
3472                   linux*) ;;
3473                   *)
3474                         LIBC="libc.so"
3475                         INTL="libintl.so"
3476                 esac
3477                 if test x"$GCC" = xyes; then
3478                         # We don't support v8 cpus
3479                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3480                 fi
3481                 if test x"$AR" = xfalse; then
3482                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3483                 fi
3484                 ;;
3485         *-mingw*|*-*-cygwin*)
3486                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3487                 have_visibility_hidden=no
3488                 INTL="intl"
3489                 ;;
3490         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3491         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | \
3492         powerpc-*-freebsd* | powerpc-*-aix* | powerpc-*-os400* )
3493                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3494                         TARGET=POWERPC64;
3495                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3496                         CFLAGS="$CFLAGS -mminimal-toc"
3497                 else
3498                         TARGET=POWERPC;
3499                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3500                 fi
3501                 arch_target=ppc;
3502                 case $host_os in
3503                   aix*|os400*)
3504                         BTLS_SUPPORTED=yes
3505                         BTLS_PLATFORM=powerpc
3506                         dnl on AIX/PASE, shared libraries can be inside archives
3507                         dnl if they are, we specify them by lib.a(lib.so)
3508                         dnl we may hardcode 64-bit names at times, but we don't do 32-bit AIX, so
3509                         LIBC="libc.a(shr_64.o)"
3510                         INTL="libintl.a(libintl.so.8)"
3511                         ;;
3512                   linux*)
3513                         BTLS_SUPPORTED=yes
3514                         BTLS_PLATFORM=powerpc
3515                         ;;
3516                 esac
3517                 ;;
3518         armv7k-*-darwin*)
3519                 TARGET=ARM;
3520                 TARGET_SYS=WATCHOS
3521                 arch_target=arm;
3522                 arm_fpu=VFP_HARD
3523                 ACCESS_UNALIGNED="no"
3524                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3525                 ;;
3527         arm*-darwin*)
3528                 TARGET=ARM;
3529                 arch_target=arm;
3530                 ACCESS_UNALIGNED="no"
3531                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3532                 ;;
3533         arm*-linux*)
3534                 TARGET=ARM;
3535                 arch_target=arm;
3536                 ACCESS_UNALIGNED="no"
3537                 AOT_SUPPORTED="yes"
3538                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3539                 BTLS_SUPPORTED=yes
3540                 BTLS_PLATFORM=arm
3541                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3542                 case "$target" in
3543                 arm*-linux*-gnueabi)
3544                         BTLS_PLATFORM=armsoft
3545                         ;;
3546                 esac
3547                 ;;
3548         arm*-netbsd*-eabi*)
3549                 TARGET=ARM;
3550                 arch_target=arm;
3551                 ACCESS_UNALIGNED="no"
3552                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3553                 ;;
3554         aarch64-*)
3555                 # https://lkml.org/lkml/2012/7/15/133
3556                 TARGET=ARM64
3557                 arch_target=arm64
3558                 boehm_supported=false
3559                 AOT_SUPPORTED="yes"
3560                 BTLS_SUPPORTED=yes
3561                 BTLS_PLATFORM=aarch64
3562                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3563                 ;;
3564         s390x-*-linux*)
3565                 TARGET=S390X;
3566                 arch_target=s390x;
3567                 ACCESS_UNALIGNED="yes"
3568                 BTLS_SUPPORTED=yes
3569                 BTLS_PLATFORM=s390x
3570                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3571                 ;;
3572 esac
3574 HOST=$TARGET
3576 if test "x$host" != "x$target"; then
3577    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3578    enable_mcs_build=no
3579    enable_support_build=no
3580    BTLS_SUPPORTED=no
3581    case "$target" in
3582    arm*-darwin*)
3583                 TARGET=ARM;
3584                 arch_target=arm;
3585                 ACCESS_UNALIGNED="no"
3586                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3587                 # Can't use tls, since it depends on the runtime detection of tls offsets
3588                 # in mono-compiler.h
3589                 with_tls=pthread
3590                 case "$target" in
3591                 armv7k-*)
3592                         arm_fpu=VFP_HARD
3593                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3594                         ;;
3595                 esac            
3596                 ;;
3597    powerpc64-ps3-linux-gnu)
3598                 TARGET=POWERPC64
3599                 arch_target=powerpc64
3600                 AC_DEFINE(TARGET_PS3, 1, [...])
3601                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3602                 # uses this define
3603                 AC_DEFINE(__mono_ppc64__, 1, [...])
3604                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3605                 sizeof_register=8
3606                 target_byte_order=G_BIG_ENDIAN
3607                 ;;
3608    powerpc64-xbox360-linux-gnu)
3609                 TARGET=POWERPC64
3610                 arch_target=powerpc64
3611                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3612                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3613                 # uses this define
3614                 sizeof_register=8
3615                 target_byte_order=G_BIG_ENDIAN
3616                 ;;
3617    arm*-linux-*)
3618                 TARGET=ARM;
3619                 arch_target=arm;
3620                 AC_DEFINE(TARGET_ARM, 1, [...])
3621                 ACCESS_UNALIGNED="no"
3622                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3623                 # Can't use tls, since it depends on the runtime detection of tls offsets
3624                 # in mono-compiler.h
3625                 with_tls=pthread
3626                 target_mach=no
3627                 case "$target" in
3628                 armv7l-unknown-linux-gnueabi*)
3629                         # TEGRA
3630                         CPPFLAGS="$CPPFLAGS"
3631                         ;;
3632                 armv5-*-linux-androideabi*)
3633                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3634                         CPPFLAGS="$CPPFLAGS"
3635                         ;;
3636                 *-linux-androideabi*)
3637                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3638                         CPPFLAGS="$CPPFLAGS"
3639                         ;;
3640                 esac
3641                 ;;
3642    arm*-netbsd*-eabi*)
3643                 TARGET=ARM;
3644                 arch_target=arm;
3645                 AC_DEFINE(TARGET_ARM, 1, [...])
3646                 ACCESS_UNALIGNED="no"
3647                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3648                 # Can't use tls, since it depends on the runtime detection of tls offsets
3649                 # in mono-compiler.h
3650                 with_tls=pthread
3651                 target_mach=no
3652                 ;;
3653    i686*-linux-*)
3654                 TARGET=X86;
3655                 arch_target=x86;
3656                 AC_DEFINE(TARGET_X86, 1, [...])
3657                 CPPFLAGS="$CPPFLAGS"
3658                 # Can't use tls, since it depends on the runtime detection of tls offsets
3659                 # in mono-compiler.h            
3660                 with_tls=pthread
3661                 target_mach=no
3663                 case "$target" in
3664                 *-linux-android*)
3665                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3666                         ;;
3667                 esac
3668                 ;;
3669    x86_64*-linux-*)
3670                 TARGET=AMD64;
3671                 arch_target=amd64;
3672                 AC_DEFINE(TARGET_AMD64, 1, [...])
3673                 CPPFLAGS="$CPPFLAGS"
3674                 # Can't use tls, since it depends on the runtime detection of tls offsets
3675                 # in mono-compiler.h
3676                 with_tls=pthread
3677                 target_mach=no
3679                 case "$target" in
3680                 *-linux-android*)
3681                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3682                         ;;
3683                 esac
3684                 ;;
3685    x86_64-ps4-freebsd)
3686                 TARGET=AMD64;
3687                 arch_target=amd64;
3688                 AC_DEFINE(TARGET_AMD64, 1, [...])
3689                 AC_DEFINE(TARGET_PS4, 1, [...])
3690                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3691                 CPPFLAGS="$CPPFLAGS"
3692                 # Can't use tls, since it depends on the runtime detection of tls offsets
3693                 # in mono-compiler.h
3694                 with_tls=pthread
3695                 target_mach=no
3696                 target_win32=no
3697                 ;;
3698    aarch64*-linux-*)
3699                 TARGET=ARM64;
3700                 arch_target=arm64;
3701                 AC_DEFINE(TARGET_ARM64, 1, [...])
3702                 CPPFLAGS="$CPPFLAGS"
3703                 # Can't use tls, since it depends on the runtime detection of tls offsets
3704                 # in mono-compiler.h
3705                 with_tls=pthread
3706                 target_mach=no
3707                 case "$target" in
3708                 *-linux-android*)
3709                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3710                         ;;
3711                 esac
3712                 ;;
3713         aarch64-*)
3714                 TARGET=ARM64
3715                 ;;
3716         *)
3717                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3718         esac
3721 case "$TARGET" in
3722 X86)
3723         AC_DEFINE(TARGET_X86, 1, [...])
3724         ;;
3725 AMD64)
3726         AC_DEFINE(TARGET_AMD64, 1, [...])
3727         ;;
3728 ARM)
3729         AC_DEFINE(TARGET_ARM, 1, [...])
3730         ;;
3731 ARM64)
3732         AC_DEFINE(TARGET_ARM64, 1, [...])
3733         ;;
3734 POWERPC)
3735         AC_DEFINE(TARGET_POWERPC, 1, [...])
3736         ;;
3737 POWERPC64)
3738         AC_DEFINE(TARGET_POWERPC, 1, [...])
3739         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3740         ;;
3741 S390X)
3742         AC_DEFINE(TARGET_S390X, 1, [...])
3743         ;;
3744 MIPS)
3745         AC_DEFINE(TARGET_MIPS, 1, [...])
3746         ;;
3747 SPARC)
3748         AC_DEFINE(TARGET_SPARC, 1, [...])
3749         ;;
3750 SPARC64)
3751         AC_DEFINE(TARGET_SPARC64, 1, [...])
3752         ;;
3753 esac
3755 case "$HOST" in
3756 X86)
3757         AC_DEFINE(HOST_X86, 1, [...])
3758         ;;
3759 AMD64)
3760         AC_DEFINE(HOST_AMD64, 1, [...])
3761         ;;
3762 ARM)
3763         AC_DEFINE(HOST_ARM, 1, [...])
3764         ;;
3765 ARM64)
3766         AC_DEFINE(HOST_ARM64, 1, [...])
3767         ;;
3768 POWERPC)
3769         AC_DEFINE(HOST_POWERPC, 1, [...])
3770         ;;
3771 POWERPC64)
3772         AC_DEFINE(HOST_POWERPC, 1, [...])
3773         AC_DEFINE(HOST_POWERPC64, 1, [...])
3774         ;;
3775 S390X)
3776         AC_DEFINE(HOST_S390X, 1, [...])
3777         ;;
3778 MIPS)
3779         AC_DEFINE(HOST_MIPS, 1, [...])
3780         ;;
3781 SPARC)
3782         AC_DEFINE(HOST_SPARC, 1, [...])
3783         ;;
3784 SPARC64)
3785         AC_DEFINE(HOST_SPARC64, 1, [...])
3786         ;;
3787 esac
3789 #WASM hack
3793 dnl *************
3794 dnl *** VTUNE ***
3795 dnl *************
3797 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3798 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3800 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3802 if test "x$enable_vtune" = "xyes"; then
3803         if test "x$with_vtune" = "x"; then
3804                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3805         else
3806                 VTUNE_PATH=$with_vtune
3807         fi
3808         VTUNE_INCLUDE=$VTUNE_PATH/include
3809         case "$TARGET" in
3810         X86)
3811                 VTUNE_LIB=$VTUNE_PATH/lib32
3812                 ;;
3813         AMD64)
3814                 VTUNE_LIB=$VTUNE_PATH/lib64
3815                 ;;
3816         *)
3817                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3818                 ;;
3819         esac
3820         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3821                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3822         fi
3823         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3824                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3825         fi
3827         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3828         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3830         AC_SUBST(VTUNE_LIBS)
3831         AC_SUBST(VTUNE_CFLAGS)
3833 dnl Use GCC atomic ops if they work on the target.
3834 if test x$GCC = "xyes"; then
3835         case $TARGET in
3836         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3837                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3838                 ;;
3839         esac
3842 if test "x$target_mach" = "xyes"; then
3844    if test "x$TARGET_SYS" = "xWATCHOS"; then
3845           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3846           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3847           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3848           BTLS_SUPPORTED=no
3849    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3850           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3851           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3852           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3853           BTLS_SUPPORTED=no
3854    else
3855        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3856        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3857        #error fail this for ios
3858        #endif
3859        ], [
3860                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3861           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3862           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3863           target_osx=yes
3864        ], [
3865           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3866           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3867           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3868           BTLS_SUPPORTED=no
3869                   target_ios=yes
3870        ])
3871         fi
3872    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3875 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3877 if test "x$sizeof_register" = "x4"; then
3878    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3879 elif test "x$sizeof_register" = "x8"; then
3880    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3881 else
3882    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3885 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3887 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3888    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3889 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3890    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3891 else
3892    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3895 if test "x$have_visibility_hidden" = "xyes"; then
3896    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3899 if test "x$have_deprecated" = "xyes"; then
3900    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3903 dnl 
3904 dnl Simple Generational checks (sgen)
3906 SGEN_DEFINES=
3907 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3908 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3909 if test x$buildsgen = xyes; then
3910    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3911    SGEN_DEFINES="-DHAVE_SGEN_GC"
3913         conc_gc_msg=""
3914    if test x$with_sgen_default_concurrent != xno; then
3915        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3916            conc_gc_msg=" (concurrent by default)"
3917    fi
3919    if test "x$gc_msg" = "x"; then
3920       gc_msg="sgen$conc_gc_msg"
3921    else
3922       gc_msg="sgen$conc_gc_msg and $gc_msg"
3923    fi
3925 AC_SUBST(SGEN_DEFINES)
3926 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3928 jit_status="Building and using the JIT"
3930 libsuffix=".so"
3932 case "$host" in
3933      *-*-darwin*)
3934         libsuffix=".dylib"
3935         LIBC="libc.dylib"
3936         INTL="libintl.dylib"
3937         SQLITE="libsqlite.0.dylib"
3938         SQLITE3="libsqlite3.0.dylib"
3939         X11="libX11.dylib"
3940         GDKX11="libgdk-x11-2.0.dylib"
3941         GTKX11="libgtk-x11-2.0.dylib"
3942         ;;
3943      *-*-*netbsd*)
3944         LIBC="libc.so"
3945         INTL="libintl.so"
3946         SQLITE="libsqlite.so"
3947         SQLITE3="libsqlite3.so"
3948         ;;
3949      *-*-kfreebsd*-gnu)
3950         LIBC="libc.so.0.1"
3951         INTL="libc.so.0.1"
3952         X11="libX11.so.6"
3953         ;;
3954     *-*-*freebsd*)
3955         LIBC="libc.so.7"
3956         INTL="libintl.so"
3957         SQLITE="libsqlite.so"
3958         SQLITE3="libsqlite3.so"
3959         ;;
3960     *-*-*openbsd*)
3961         LIBC="libc.so"
3962         INTL="libintl.so"
3963         SQLITE="libsqlite.so"
3964         SQLITE3="libsqlite3.so"
3965         ;;
3966     *-*-*linux*)
3967         AC_PATH_X
3968         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3969         AC_MSG_CHECKING(for the soname of libX11.so)
3970         for i in $x_libraries $dlsearch_path; do
3971                 for r in 4 5 6; do
3972                         if test -f $i/libX11.so.$r; then
3973                                 X11=libX11.so.$r
3974                                 AC_MSG_RESULT($X11)
3975                         fi
3976                 done
3977         done
3978         
3979         if test "x$X11" = "xlibX11.so"; then
3980                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3981                 X11=libX11.so.6
3982         fi
3983         ;;
3984 esac
3986 AC_SUBST(libsuffix)
3988 ######################################
3989 # EGLIB CHECKS
3990 ######################################
3992 GNUC_PRETTY=
3993 GNUC_UNUSED=
3994 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3995 if test x$GCC = xyes; then
3996    GNUC_UNUSED='__attribute__((__unused__))'
3997    GNUC_NORETURN='__attribute__((__noreturn__))'
3998    case $host_cpu in
3999      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
4000    esac
4002 AC_SUBST(GNUC_PRETTY)
4003 AC_SUBST(GNUC_UNUSED)
4004 AC_SUBST(GNUC_NORETURN)
4005 AC_SUBST(BREAKPOINT)
4007 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
4009 case $host in
4010 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
4011     PATHSEP='\\'
4012     SEARCHSEP=';'
4013     OS="WIN32"
4014     PIDTYPE='void *'
4015     ;;
4017     PATHSEP='/'
4018     SEARCHSEP=':'
4019     OS="UNIX"
4020     PIDTYPE='int'
4021     ;;
4022 esac
4024 case $host in
4025         *-*-solaris*)
4026         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
4027         ;;
4028 esac
4030 case $target in
4031 arm*-darwin*|aarch64*-*)
4032     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
4033     ;;
4034 i*86-*-darwin*)
4035     ORDER=G_LITTLE_ENDIAN
4036     ;;
4037 *-*-haiku*)
4038     LDFLAGS="$LDFLAGS -ltextencoding"
4039     ;;
4040 *-*-openbsd*)
4041     CFLAGS="$CFLAGS -pthread"
4042     LDFLAGS="$LDFLAGS -pthread"
4043     ;;
4044 esac
4046 AC_SUBST(ORDER)
4047 AC_SUBST(CFLAGS)
4048 AC_SUBST(PATHSEP)
4049 AC_SUBST(SEARCHSEP)
4050 AC_SUBST(OS)
4051 AC_SUBST(PIDTYPE)
4053 # Defined for all targets/platforms using classic Windows API support.
4054 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
4055 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
4057 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
4058 AC_CHECK_FUNCS(getrlimit)
4059 AC_CHECK_FUNCS(fork execv execve)
4061 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
4063 if test x$with_overridable_allocators = xyes; then
4064         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
4065   AC_MSG_NOTICE([Overridable allocator support enabled])
4066 else
4067   AC_MSG_NOTICE([Overridable allocator support disabled])
4071 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
4072 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
4073 # removed once support for 10.6 is dropped.
4075 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
4077 if test x$target_osx = xyes; then
4078 AC_CHECK_FUNCS(getpwuid_r)
4079 elif test x$target_ios = xno; then
4080 AC_CHECK_FUNCS(strndup getpwuid_r)
4083 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
4084 AM_ICONV()
4085 AC_SEARCH_LIBS(sqrtf, m)
4087 # nanosleep may not be part of libc, also search it in other libraries
4088 AC_SEARCH_LIBS(nanosleep, rt)
4090 AC_SEARCH_LIBS(dlopen, dl)
4091 old_ldflags="${LDFLAGS}"
4092 # GNU specific option, this confuses IBM ld, but do offer alternatives when possible
4093 if test $lt_cv_prog_gnu_ld = yes; then
4094         LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
4095 else
4096         case $host in
4097         *-*-aix*|*-*-os400*)
4098                 ;;
4099         *)
4100                 dnl Try to use export-dynamic anyways
4101                 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
4102                 ;;
4103         esac
4105 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
4106 if test $found_export_dynamic = no; then
4107         LDFLAGS="${old_ldflags}"
4110 AC_MSG_CHECKING(for varargs macros)
4111 AC_TRY_COMPILE([],[
4112 int foo (int i, int j);
4113 #define bar(...) foo (1, __VA_ARGS__)
4114 void main () {
4115          bar (2);
4117 ],have_iso_varargs=yes,have_iso_varargs=no)
4118 AC_MSG_RESULT($have_iso_varargs)
4119 G_HAVE_ISO_VARARGS=0
4120 if test "x$have_iso_varargs" = "xyes"; then
4121    G_HAVE_ISO_VARARGS=1
4123 AC_SUBST(G_HAVE_ISO_VARARGS)
4125 AC_CHECK_HEADERS(getopt.h sys/select.h sys/time.h sys/wait.h pwd.h iconv.h localcharset.h sys/types.h sys/resource.h)
4126 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+=" -liconv -lcharset"])])
4127 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
4128 AC_SUBST(HAVE_ALLOCA_H)
4130 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
4131    GPOINTER_TO_INT="((gint) (ptr))"
4132    GPOINTER_TO_UINT="((guint) (ptr))"
4133    GINT_TO_POINTER="((gpointer) (v))"
4134    GUINT_TO_POINTER="((gpointer) (v))"
4135    GSIZE="int"
4136    GSIZE_FORMAT='"u"'
4137 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
4138    GPOINTER_TO_INT="((gint)(long) (ptr))"
4139    GPOINTER_TO_UINT="((guint)(long) (ptr))"
4140    GINT_TO_POINTER="((gpointer)(glong) (v))"
4141    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
4142    GSIZE="long"
4143    GSIZE_FORMAT='"lu"'
4144 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
4145    GPOINTER_TO_INT="((gint)(long long) (ptr))"
4146    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
4147    GINT_TO_POINTER="((gpointer)(long long) (v))"
4148    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
4149    GSIZE="long long"
4150    GSIZE_FORMAT='"I64u"'
4151 else
4152    AC_MSG_ERROR([unsupported pointer size])
4155 AC_SUBST(GPOINTER_TO_INT)
4156 AC_SUBST(GPOINTER_TO_UINT)
4157 AC_SUBST(GINT_TO_POINTER)
4158 AC_SUBST(GUINT_TO_POINTER)
4159 AC_SUBST(GSIZE)
4160 AC_SUBST(GSIZE_FORMAT)
4161 AC_SUBST(G_GUINT64_FORMAT)
4162 AC_SUBST(G_GINT64_FORMAT)
4163 AC_SUBST(G_GUINT32_FORMAT)
4164 AC_SUBST(G_GINT32_FORMAT)
4167 # END OF EGLIB CHECKS
4170 AC_ARG_WITH([libgdiplus],
4171         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
4172         [], [with_libgdiplus=installed])
4174 # default install location
4175 libgdiplus_install_loc=libgdiplus${libsuffix}
4176 case "$host" in
4177     *-*-*linux*)
4178     libgdiplus_install_loc=libgdiplus${libsuffix}.0
4179     ;;
4180 esac
4182 case $with_libgdiplus in
4183     no)
4184     libgdiplus_loc=
4185     ;;
4187     installed)
4188     libgdiplus_loc=
4189     if test x$cross_compiling = xno; then
4190         if test x$host_darwin = xyes; then
4191             a=/Library/Frameworks/Mono.framework/Versions/Current/lib/$libgdiplus_install_loc
4192             if test -x $a; then
4193               libgdiplus_install_loc=$a
4194               libgdiplus_loc=$a
4195             fi
4196         fi
4197     fi
4198     ;;
4200     yes|sibling)
4201     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
4202     ;;
4204     /*) # absolute path, assume it is an install location
4205     libgdiplus_loc=$with_libgdiplus
4206     libgdiplus_install_loc=$with_libgdiplus
4207     ;;
4209     *)
4210     libgdiplus_loc=`pwd`/$with_libgdiplus
4211     ;;
4212 esac
4213 AC_SUBST(libgdiplus_loc)
4214 AC_SUBST(libgdiplus_install_loc)
4216 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
4217 if test "x$icall_symbol_map" = "xyes"; then
4218    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
4221 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
4222 if test "x$icall_export" = "xyes"; then
4223    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
4226 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
4227 if test "x$icall_tables" = "xno"; then
4228    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
4231 AM_CONDITIONAL(DISABLE_ICALL_TABLES, test x$icall_tables = xno)
4233 if test "x$with_tls" = "x__thread"; then
4234         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
4235         # Pass the information to libgc
4236         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
4237         AC_MSG_CHECKING(if the tls_model attribute is supported)
4238         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
4239                 ], [
4240                         AC_MSG_RESULT(yes)
4241                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
4242                 ], [
4243                         AC_MSG_RESULT(no)
4244         ])
4247 if test ${TARGET} = ARM; then
4248         dnl ******************************************
4249         dnl *** Check to see what FPU is available ***
4250         dnl ******************************************
4251         AC_MSG_CHECKING(which FPU to use)
4253         #
4254         # This is a bit tricky:
4255         #
4256         # if (__ARM_PCS_VFP) {
4257         #       /* mfloat-abi=hard == VFP with hard ABI */
4258         # } elif (!__SOFTFP__) {
4259         #       /* mfloat-abi=softfp == VFP with soft ABI */
4260         # } else {
4261         #       /* mfloat-abi=soft == no VFP */
4262         # }
4263         #
4264         # The exception is iOS (w/ GCC) where none of the above
4265         # are defined (but iOS always uses the 'softfp' ABI).
4266         #
4267         # No support for FPA.
4268         #
4270         fpu=NONE
4272         # iOS GCC always uses the 'softfp' ABI.
4273         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
4274                 fpu=VFP
4275         fi
4277         # Are we using the 'hard' ABI?
4278         if test x$fpu = xNONE; then
4279                 AC_TRY_COMPILE([], [
4280                         #ifndef __ARM_PCS_VFP
4281                         #error "Float ABI is not 'hard'"
4282                         #endif
4283                 ], [
4284                         fpu=VFP_HARD
4285                 ], [
4286                         fpu=NONE
4287                 ])
4288         fi
4290         # No 'hard' ABI. 'soft' or 'softfp'?
4291         if test x$fpu = xNONE; then
4292                 AC_TRY_COMPILE([], [
4293                         #ifdef __SOFTFP__
4294                         #error "Float ABI is not 'softfp'"
4295                         #endif
4296                 ], [
4297                         fpu=VFP
4298                 ], [
4299                         fpu=NONE
4300                 ])
4301         fi
4303         if test x$arm_fpu != x; then
4304            fpu=$arm_fpu
4305         fi
4307         AC_MSG_RESULT($fpu)
4308         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
4309         unset fpu
4311         dnl *********************************************
4312         dnl *** Check which ARM version(s) we can use ***
4313         dnl *********************************************
4314         AC_MSG_CHECKING(which ARM version to use)
4316         AC_TRY_COMPILE([], [
4317                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
4318                 #error Not on ARM v5.
4319                 #endif
4320         ], [
4321                 arm_v5=yes
4323                 arm_ver=ARMv5
4324         ], [])
4326         AC_TRY_COMPILE([], [
4327                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
4328                 #error Not on ARM v6.
4329                 #endif
4330         ], [
4331                 arm_v5=yes
4332                 arm_v6=yes
4334                 arm_ver=ARMv6
4335         ], [])
4337         AC_TRY_COMPILE([], [
4338                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
4339                 #error Not on ARM v7.
4340                 #endif
4341         ], [
4342                 arm_v5=yes
4343                 arm_v6=yes
4344                 arm_v7=yes
4346                 arm_ver=ARMv7
4347         ], [])
4349         AC_MSG_RESULT($arm_ver)
4351         if test x$arm_v5 = xyes; then
4352                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
4353                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
4354         fi
4356         if test x$arm_v6 = xyes; then
4357                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
4358                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
4359         fi
4361         if test x$arm_v7 = xyes; then
4362                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4363                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4364         fi
4367 if test ${TARGET} = unknown; then
4368         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4369         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4372 if test "x$platform_android" = "xyes"; then
4373         case "x${TARGET}" in
4374         xARM)
4375                 case "x$arm_ver" in
4376                 xARMv5)
4377                         BTLS_SUPPORTED=yes
4378                         BTLS_PLATFORM=android-armv5
4379                         ;;
4380                 xARMv6)
4381                         BTLS_SUPPORTED=yes
4382                         BTLS_PLATFORM=android-armv6
4383                         ;;
4384                 xARMv7)
4385                         BTLS_SUPPORTED=yes
4386                         BTLS_PLATFORM=android-armv7
4387                         ;;
4388                 *)
4389                         BTLS_SUPPORTED=no
4390                         ;;
4391                 esac
4392                 ;;
4393         xARM64)
4394                 BTLS_SUPPORTED=yes
4395                 BTLS_PLATFORM=android-v8a
4396                 ;;
4397         xX86)
4398                 BTLS_SUPPORTED=yes
4399                 BTLS_PLATFORM=android-x86
4400                 ;;
4401         xAMD64)
4402                 BTLS_SUPPORTED=yes
4403                 BTLS_PLATFORM=android-x64
4404                 ;;
4405         *)
4406                 BTLS_SUPPORTED=no
4407                 ;;
4408         esac
4411 if test ${ACCESS_UNALIGNED} = no; then
4412         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4415 if test x$host_darwin = xyes; then
4416         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4417         AS_IF(
4418                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4419                 [AC_MSG_RESULT([no])],
4420                 [
4421                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4422                         AR_FLAGS="Scru"
4423                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4424                         AC_MSG_RESULT([yes])
4425                 ]
4426         )
4429 case "x$libgc" in
4430         xincluded)
4431                 # Pass CPPFLAGS to libgc configure
4432                 # We should use a separate variable for this to avoid passing useless and
4433                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4434                 # This should be executed late so we pick up the final version of CPPFLAGS
4435                 # The problem with this approach, is that during a reconfigure, the main
4436                 # configure scripts gets invoked with these arguments, so we use separate
4437                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4438                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4439                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4440                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4441                 fi
4442                 # Don't pass -finstrument-for-thread-suspension in, 
4443                 # if these are instrumented it will be very bad news 
4444                 # (infinite recursion, undefined parking behavior, etc)
4445                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4446                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4447                 if test "x$support_boehm" = "xyes"; then
4448                         AC_CONFIG_SUBDIRS(libgc)
4449                 fi
4450                 ;;
4451 esac
4453 MALLOC_MEMPOOLS=no
4454 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4455         if test x$with_malloc_mempools = xyes; then
4456                 MALLOC_MEMPOOLS=yes
4457                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4458         fi
4462 DISABLE_MCS_DOCS=default
4463 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4464         if test x$with_mcs_docs != xyes; then
4465                 DISABLE_MCS_DOCS=yes
4466         fi
4468 if test -n "$INSTALL_4_x_TRUE"; then :
4469         DISABLE_MCS_DOCS=yes
4471 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4472    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4475 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4476         if test x$with_lazy_gc_thread_creation != xno ; then
4477                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4478         fi
4479 ], [with_lazy_gc_thread_creation=no])
4481 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])
4483 if test x$with_cooperative_gc = xdefault; then
4484         with_cooperative_gc=$with_cooperative_gc_default
4487 if test x$with_cooperative_gc != xno; then
4488         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4491 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4493 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, private_types],[
4495         if test x$enable_checked_build != x ; then
4496                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4497         fi
4498         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4499                 eval "mono_checked_build_test_enable_$feature='yes'"
4500         done
4502         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4503                 eval "mono_checked_build_test_enable_gc='yes'"
4504                 eval "mono_checked_build_test_enable_metadata='yes'"
4505                 eval "mono_checked_build_test_enable_thread='yes'"
4506                 eval "mono_checked_build_test_enable_private_types='yes'"
4507         fi
4509         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4510                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4511         fi
4513         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4514                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4515         fi
4517         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4518                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4519         fi
4521         if test "x$mono_checked_build_test_enable_private_types" = "xyes"; then
4522                 AC_DEFINE(ENABLE_CHECKED_BUILD_PRIVATE_TYPES, 1, [Enable private types checked build])
4523         fi
4524 ], [])
4526 AC_CHECK_HEADER([malloc.h], 
4527                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
4528                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4530 if test x"$GCC" = xyes; then
4531         # Implicit function declarations are not 64 bit safe
4532         # Do this late, since this causes lots of configure tests to fail
4533         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4534         # jay has a lot of implicit declarations
4535         JAY_CFLAGS="-Wno-implicit-function-declaration"
4538 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4539 # instead of libmono-static.a
4540 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4541    LIBMONO_LA=libmini-static.la
4542 else
4543    if test x$buildsgen = xyes; then
4544       LIBMONO_LA=libmonosgen-$API_VER.la
4545    else
4546       LIBMONO_LA=libmonoboehm-$API_VER.la
4547    fi
4549 AC_SUBST(LIBMONO_LA)
4551 dnl **************
4552 dnl ***  Btls  ***
4553 dnl **************
4555 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4556 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4558 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4560 btls_android=no
4561 if test "x$enable_btls" = "xyes"; then
4562         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4563         if test "x$CMAKE" = "xno"; then
4564                 AC_MSG_ERROR("cmake not found")
4565         fi
4567         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4568         AC_SUBST(BTLS_ROOT)
4570         btls_arch=
4571         btls_cflags=
4572         BTLS_CMAKE_ARGS=
4574         case "$BTLS_PLATFORM" in
4575         i386)
4576                 btls_arch=i386
4577                 btls_cflags="-m32"
4578                 case $host_os in
4579                         darwin*)
4580                                 btls_cflags="$btls_cflags -arch i386"
4581                 esac
4582                 ;;
4583         x86_64)
4584                 btls_arch=x86_64
4585                 ;;
4586         arm)
4587                 btls_arch=arm
4588                 ;;
4589         armsoft)
4590                 btls_arch=arm
4591                 btls_cflags="-DOPENSSL_NO_ASM=1"
4592                 ;;
4593         aarch64)
4594                 btls_arch=aarch64
4595                 ;;
4596         s390x)
4597                 btls_arch=s390x
4598                 ;;
4599         powerpc)
4600                 btls_arch=powerpc
4601                 case $host_os in
4602                         aix*|os400*)
4603                                 btls_cflags="$btls_cflags -maix64 -mminimal-toc -pthread -D_ALL_SOURCE -D_THREAD_SAFE -D_REENTRANT"
4604                                 BTLS_CMAKE_ARGS="-DCMAKE_AR=/usr/bin/ar -DCMAKE_C_ARCHIVE_CREATE=\"<CMAKE_AR> -X64 cr <TARGET> <LINK_FLAGS> <OBJECTS>\""
4605                 esac
4606                 ;;
4607         android-armv5)
4608                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=14"
4609                 ;;
4610         android-armv6)
4611                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=14"
4612                 ;;
4613         android-armv7)
4614                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=14"
4615                 ;;
4616         android-v8a)
4617                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=21"
4618                 ;;
4619         android-x86)
4620                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=14"
4621                 ;;
4622         android-x64)
4623                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=21"
4624                 ;;
4625         *)
4626                 AC_MSG_ERROR(Invalid BTLS platform)
4627         esac
4629         if test "x$platform_android" = "xyes"; then
4630                 btls_android=yes
4631                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4632                 if test "x$with_btls_android_ndk" != "x"; then
4633                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4634                 else
4635                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4636                 fi
4637         fi
4639         if test "x$btls_arch" != "x"; then
4640                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4641         fi
4643         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4644         AC_SUBST(BTLS_ARCH)
4645         AC_SUBST(BTLS_CFLAGS)
4646         AC_SUBST(BTLS_PLATFORM)
4647         AC_SUBST(BTLS_CMAKE_ARGS)
4649         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4650 else
4651         enable_btls=no
4654 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4656 if test x$DISABLE_MCS_DOCS = xyes; then
4657    docs_dir=""
4658 else
4659    docs_dir=docs
4661 AC_SUBST(docs_dir)
4663 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4664 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4665 AM_CONDITIONAL(BUILD_SUPPORT, [test x$enable_support_build != xno])
4667 libmono_ldflags="$libmono_ldflags $LIBS"
4669 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4670 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4671 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4672 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4673 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4674 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4675 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4676 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4677 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4678 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4679 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4680 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4681 AM_CONDITIONAL(WASM, test x$TARGET = xWASM)
4682 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4683 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4684 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4685 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4686 AM_CONDITIONAL(HOST_WASM, test x$HOST = xWASM)
4688 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4690 AC_SUBST(LIBC)
4691 AC_SUBST(INTL)
4692 AC_SUBST(SQLITE)
4693 AC_SUBST(SQLITE3)
4694 AC_SUBST(X11)
4695 AC_SUBST(GDKX11)
4696 AC_SUBST(GTKX11)
4697 AC_SUBST(XINERAMA)
4698 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4699 AC_SUBST(arch_target)
4700 AC_SUBST(CFLAGS)
4701 AC_SUBST(CPPFLAGS)
4702 AC_SUBST(LDFLAGS)
4704 #This must always be defined when building the runtime
4705 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4707 mono_build_root=`pwd`
4708 AC_SUBST(mono_build_root)
4710 mono_runtime=mono/mini/mono
4711 AC_SUBST(mono_runtime)
4713 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.7.0/tools/csc.exe
4715 if test $csc_compiler = mcs; then
4716   CSC=$mcs_topdir/class/lib/build/mcs.exe
4717 else
4718   CSC=$CSC_LOCATION
4721 mono_cfg_root=$mono_build_root/runtime
4722 if test x$host_win32 = xyes; then
4723   if test "x$cross_compiling" = "xno"; then
4724     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4725     CSC=`cygpath -m -a $CSC`
4726     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4727   else
4728     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4729   fi
4730 else
4731   mono_cfg_dir=$mono_cfg_root/etc
4733 AC_SUBST(mono_cfg_dir)
4735 AC_SUBST(CSC)
4737 AC_CONFIG_FILES([po/mcs/Makefile.in])
4739 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4740 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4742 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4743 [   depth=../../../..
4744     case $srcdir in
4745     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4746     .) reldir=$depth ;;
4747     *) reldir=$depth/$srcdir ;;
4748     esac
4749     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4750     cd runtime/etc/mono/1.0
4751     rm -f machine.config
4752     $LN_S $reldir/data/net_1_1/machine.config machine.config
4753     cd $depth
4754 ],[LN_S='$LN_S'])
4756 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4757 [   depth=../../../..
4758     case $srcdir in
4759     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4760     .) reldir=$depth ;;
4761     *) reldir=$depth/$srcdir ;;
4762     esac
4763     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4764     cd runtime/etc/mono/2.0
4765     rm -f machine.config
4766     $LN_S $reldir/data/net_2_0/machine.config machine.config
4767     cd $depth
4768 ],[LN_S='$LN_S'])
4770 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4771 [   depth=../../../..
4772     case $srcdir in
4773     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4774     .) reldir=$depth ;;
4775     *) reldir=$depth/$srcdir ;;
4776     esac
4777     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4778     cd runtime/etc/mono/2.0
4779     rm -f web.config
4780     $LN_S $reldir/data/net_2_0/web.config web.config
4781     cd $depth
4782 ],[LN_S='$LN_S'])
4784 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4785 [   depth=../../..
4786     case $srcdir in
4787     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4788     .) reldir=$depth ;;
4789     *) reldir=$depth/$srcdir ;;
4790     esac
4791     $ac_aux_dir/install-sh -d runtime/etc/mono/
4792     cd runtime/etc/mono/
4793     rm -f browscap.ini
4794     $LN_S $reldir/data/browscap.ini browscap.ini
4795     cd $depth
4796 ],[LN_S='$LN_S'])
4798 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4799 [   depth=../../../../..
4800     case $srcdir in
4801     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4802     .) reldir=$depth ;;
4803     *) reldir=$depth/$srcdir ;;
4804     esac
4805     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4806     cd runtime/etc/mono/2.0/Browsers
4807     rm -f Compat.browser
4808     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4809     cd $depth
4810 ],[LN_S='$LN_S'])
4812 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4813 [   depth=../../../../..
4814     case $srcdir in
4815     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4816     .) reldir=$depth ;;
4817     *) reldir=$depth/$srcdir ;;
4818     esac
4819     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4820     cd runtime/etc/mono/4.0/Browsers
4821     rm -f Compat.browser
4822     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4823     cd $depth
4824 ],[LN_S='$LN_S'])
4826 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4827 [   depth=../../../../..
4828     case $srcdir in
4829     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4830     .) reldir=$depth ;;
4831     *) reldir=$depth/$srcdir ;;
4832     esac
4833     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4834     cd runtime/etc/mono/4.5/Browsers
4835     rm -f Compat.browser
4836     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4837     cd $depth
4838 ],[LN_S='$LN_S'])
4840 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4841 [   depth=../../../..
4842     case $srcdir in
4843     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4844     .) reldir=$depth ;;
4845     *) reldir=$depth/$srcdir ;;
4846     esac
4847     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4848     cd runtime/etc/mono/4.0
4849     rm -f machine.config
4850     $LN_S $reldir/data/net_4_0/machine.config machine.config
4851     cd $depth
4852 ],[LN_S='$LN_S'])
4854 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4855 [   depth=../../../..
4856     case $srcdir in
4857     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4858     .) reldir=$depth ;;
4859     *) reldir=$depth/$srcdir ;;
4860     esac
4861     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4862     cd runtime/etc/mono/4.0
4863     rm -f web.config
4864     $LN_S $reldir/data/net_4_0/web.config web.config
4865     cd $depth
4866 ],[LN_S='$LN_S'])
4868 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4869 [   depth=../../../..
4870     case $srcdir in
4871     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4872     .) reldir=$depth ;;
4873     *) reldir=$depth/$srcdir ;;
4874     esac
4875     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4876     cd runtime/etc/mono/4.5
4877     rm -f machine.config
4878     $LN_S $reldir/data/net_4_5/machine.config machine.config
4879     cd $depth
4880 ],[LN_S='$LN_S'])
4882 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4883 [   depth=../../../..
4884     case $srcdir in
4885     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4886     .) reldir=$depth ;;
4887     *) reldir=$depth/$srcdir ;;
4888     esac
4889     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4890     cd runtime/etc/mono/4.5
4891     rm -f web.config
4892     $LN_S $reldir/data/net_4_5/web.config web.config
4893     cd $depth
4894 ],[LN_S='$LN_S'])
4896 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])
4897 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])
4899 AC_OUTPUT([
4900 Makefile
4901 mono-uninstalled.pc
4902 acceptance-tests/Makefile
4903 llvm/Makefile
4904 scripts/mono-find-provides
4905 scripts/mono-find-requires
4906 mono/Makefile
4907 mono/btls/Makefile
4908 mono/utils/Makefile
4909 mono/utils/jemalloc/Makefile
4910 mono/metadata/Makefile
4911 mono/dis/Makefile
4912 mono/cil/Makefile
4913 mono/arch/Makefile
4914 mono/arch/x86/Makefile
4915 mono/arch/amd64/Makefile
4916 mono/arch/ppc/Makefile
4917 mono/arch/sparc/Makefile
4918 mono/arch/s390x/Makefile
4919 mono/arch/arm/Makefile
4920 mono/arch/arm64/Makefile
4921 mono/arch/mips/Makefile
4922 mono/sgen/Makefile
4923 mono/tests/Makefile
4924 mono/tests/tests-config
4925 mono/tests/gc-descriptors/Makefile
4926 mono/tests/testing_gac/Makefile
4927 mono/unit-tests/Makefile
4928 mono/benchmark/Makefile
4929 mono/mini/Makefile
4930 mono/profiler/Makefile
4931 mono/eglib/Makefile
4932 mono/eglib/eglib-config.h
4933 m4/Makefile
4934 ikvm-native/Makefile
4935 scripts/Makefile
4936 man/Makefile
4937 docs/Makefile
4938 data/Makefile
4939 data/net_2_0/Makefile
4940 data/net_4_0/Makefile
4941 data/net_4_5/Makefile
4942 data/net_2_0/Browsers/Makefile
4943 data/net_4_0/Browsers/Makefile
4944 data/net_4_5/Browsers/Makefile
4945 data/mint.pc
4946 data/mono-2.pc
4947 data/monosgen-2.pc
4948 data/mono.pc
4949 data/mono-cairo.pc
4950 data/mono-nunit.pc
4951 data/mono-options.pc
4952 data/mono-lineeditor.pc
4953 data/monodoc.pc
4954 data/dotnet.pc
4955 data/dotnet35.pc
4956 data/wcf.pc
4957 data/cecil.pc
4958 data/system.web.extensions_1.0.pc
4959 data/system.web.extensions.design_1.0.pc
4960 data/system.web.mvc.pc
4961 data/system.web.mvc2.pc
4962 data/system.web.mvc3.pc
4963 data/aspnetwebstack.pc
4964 data/reactive.pc
4965 samples/Makefile
4966 support/Makefile
4967 data/config
4968 tools/Makefile
4969 tools/locale-builder/Makefile
4970 tools/sgen/Makefile
4971 tools/monograph/Makefile
4972 tools/pedump/Makefile
4973 runtime/Makefile
4974 msvc/Makefile
4975 po/Makefile
4978 # Update all submodules recursively to ensure everything is checked out
4979 $srcdir/scripts/update_submodules.sh
4981 if test x$host_win32 = xyes; then
4982    # Get rid of 'cyg' prefixes in library names
4983    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4984    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4985    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4986    # executable doesn't work...
4987    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4990 if test x$host_darwin = xyes; then
4991    # This doesn't seem to be required and it slows down parallel builds
4992    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4996   case $prefix in
4997   NONE) prefix=$ac_default_prefix ;;
4998   esac
4999   case $exec_prefix in
5000   NONE) exec_prefix='${prefix}' ;;
5001   esac
5003   #
5004   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
5005   # any existing config.make.  This allows people to share the same source tree
5006   # with different build directories, one native and one cross
5007   #
5008   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
5010     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
5012     echo "prefix=$prefix" > $mcs_topdir/build/config.make
5013     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
5014     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
5015     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
5016     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
5017     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
5018     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
5019     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
5020     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
5022     case $INSTALL in
5023     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
5024     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
5025     esac
5027     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
5029     export VERSION
5030     [myver=$($AWK 'BEGIN {
5031       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
5032       if(length(vsplit [1]) > 4) {
5033         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
5034       }
5035       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
5036     }')]
5038     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
5039     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
5041     if test x$host_darwin = xyes; then
5042       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
5043     elif test x$host_win32 = xyes; then
5044       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
5045     else
5046       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
5047     fi
5049     if test x$host_darwin = xyes; then
5050       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
5051     elif test x$host_win32 = xyes; then
5052       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
5053     else
5054       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
5055     fi
5057     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
5058       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
5059     fi
5061         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
5062            enable_system_aot=yes
5063         fi
5065     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
5066       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
5067     fi
5069     if test x$DISABLE_MCS_DOCS = xyes; then
5070       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
5071     fi
5073     if test x$has_extension_module != xno; then
5074         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
5075     fi
5076     
5077     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
5078     
5079     if test "x$test_bcl_opt" = "xyes"; then    
5080       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
5081     fi
5083     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
5085     if test $csc_compiler = mcs; then
5086       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
5087     fi
5089     if test "x$AOT_BUILD_FLAGS" != "x" ; then
5090       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
5091       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
5092       echo "AOT_BUILD_ATTRS=$AOT_BUILD_ATTRS" >> $srcdir/$mcsdir/build/config.make
5093     fi
5095     if test "x$AOT_MODE" != "x" ; then
5096       echo "AOT_MODE=$AOT_MODE" >> $srcdir/$mcsdir/build/config.make
5097     fi
5099     if test "x$enable_btls" = "xyes"; then
5100       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
5101     fi
5103   fi
5107 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
5109 btls_platform_string=
5110 if test x$enable_btls = xyes; then
5111         if test x$btls_android = xyes; then
5112                 btls_platform_string=" (android:$BTLS_PLATFORM)"
5113         else
5114                 btls_platform_string=" ($BTLS_PLATFORM)"
5115         fi
5118 echo "
5119         mcs source:    $mcsdir
5120         C# Compiler:   $csc_compiler
5122    Engine:
5123         Host:          $host
5124         Target:        $target
5125         GC:            $gc_msg 
5126         TLS:           $with_tls
5127         SIGALTSTACK:   $with_sigaltstack
5128         Engine:        $jit_status
5129         BigArrays:     $enable_big_arrays
5130         DTrace:        $enable_dtrace
5131         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
5132         Spectre:       $spectre_mitigation_status
5134    Libraries:
5135         .NET 4.x:        $with_profile4_x
5136         Xamarin.Android: $with_monodroid
5137         Xamarin.iOS:     $with_monotouch
5138         Xamarin.WatchOS: $with_monotouch_watch
5139         Xamarin.TVOS:    $with_monotouch_tv
5140         Xamarin.Mac:     $with_xammac
5141         Windows AOT:     $with_winaot
5142         Orbis:           $with_orbis
5143         Unreal:          $with_unreal
5144         WebAssembly:     $with_wasm
5145         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
5146         JNI support:     $jdk_headers_found
5147         libgdiplus:      $libgdiplus_msg
5148         zlib:            $zlib_msg
5149         BTLS:            $enable_btls$btls_platform_string
5150         jemalloc:        $with_jemalloc (always use: $with_jemalloc_always)
5151         $disabled
5153 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
5154    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)