configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 reloc_libdir=`basename ${libdir}`
  72 AC_SUBST(reloc_libdir)
  73
  74 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  75 need_link_unlink=no
  76
  77 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  78 extra_runtime_ldflags=""
  79
  80 # Thread configuration inspired by sleepycat's db
  81 AC_MSG_CHECKING([host platform characteristics])
  82 libgc_threads=no
  83 has_dtrace=no
  84 parallel_mark=yes
  85 ikvm_native=yes
  86
  87 host_win32=no
  88 target_win32=no
  89 platform_android=no
  90 host_darwin=no
  91 case "$host" in
  92         *-mingw*|*-*-cygwin*)
  93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  95                 host_win32=yes
  96                 mono_cv_clang=no
  97                 if test "x$cross_compiling" = "xno"; then
  98                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
  99                                 target_win32=yes
 100                         fi
 101                 else
 102                         if test "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 fi
 106                 HOST_CC="gcc"
 107                 # Windows Vista or later is required
 108                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 109                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 110                 libmono_cflags="-mms-bitfields -mwindows"
 111                 libmono_ldflags="-mms-bitfields -mwindows"
 112                 libdl=
 113                 libgc_threads=win32
 114                 with_sigaltstack=no
 115                 with_tls=pthread
 116                 LN_S=cp
 117                 # This forces libgc to use the DllMain based thread registration code on win32
 118                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 119                 ;;
 120         *-*-*netbsd*)
 121                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 122                 libmono_cflags="-D_REENTRANT"
 123                 LDFLAGS="$LDFLAGS -pthread"
 124                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 125                 libmono_ldflags="-pthread"
 126                 need_link_unlink=yes
 127                 libdl="-ldl"
 128                 libgc_threads=pthreads
 129                 with_sigaltstack=no
 130                 use_sigposix=yes
 131                 ;;
 132         *-*-kfreebsd*-gnu)
 133                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 134                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 135                 libmono_ldflags="-lpthread -pthread"
 136                 libdl="-ldl"
 137                 libgc_threads=pthreads
 138                 need_link_unlink=yes
 139                 with_sigaltstack=no
 140                 use_sigposix=yes
 141                 ;;
 142         *-*-*freebsd*)
 143                 if test "x$PTHREAD_CFLAGS" = "x"; then
 144                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 145                         libmono_cflags=
 146                 else
 147                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 148                         libmono_cflags="$PTHREAD_CFLAGS"
 149                 fi
 150                 if test "x$PTHREAD_LIBS" = "x"; then
 151                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 152                         libmono_ldflags="-pthread"
 153                 else
 154                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 155                         libmono_ldflags="$PTHREAD_LIBS"
 156                 fi
 157                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 158                 need_link_unlink=yes
 159                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 160                 libdl=
 161                 libgc_threads=pthreads
 162                 use_sigposix=yes
 163                 has_dtrace=yes
 164                 ;;
 165         *-*-*openbsd*)
 166                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 167                 if test "x$disable_munmap" != "xyes"; then
 168                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 169                 fi
 170                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 171                 LDFLAGS="$LDFLAGS -pthread"
 172                 need_link_unlink=yes
 173                 AC_DEFINE(PTHREAD_POINTER_ID)
 174                 libdl=
 175                 libgc_threads=pthreads
 176                 with_sigaltstack=no
 177                 use_sigposix=yes
 178                 ;;
 179         *-*-linux-android*)
 180                 platform_android=yes
 181                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 182                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 183
 184                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_REENTRANT"
 189                 libdl="-ldl"
 190                 libgc_threads=pthreads
 191                 use_sigposix=yes
 192
 193                 with_tls=pthread
 194                 with_sigaltstack=no
 195                 with_static_mono=no
 196
 197                 # Android doesn't support boehm, as it's missing <link.h>
 198                 support_boehm=no
 199                 with_gc=sgen
 200
 201                 # isinf(3) requires -lm; see isinf check below
 202                 LDFLAGS="$LDFLAGS -lm"
 203
 204                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 205                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 206                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 207                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 208                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 209
 210                 # The configure check can't detect this
 211                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 212
 213                 # to bypass the underscore linker check, can't work when cross-compiling
 214                 mono_cv_uscore=yes
 215                 mono_cv_clang=no
 216                 ;;
 217         *-*-linux*)
 218                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 219                 if test "x$disable_munmap" != "xyes"; then
 220                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 221                 fi
 222                 libmono_cflags="-D_REENTRANT"
 223                 libdl="-ldl"
 224                 libgc_threads=pthreads
 225                 use_sigposix=yes
 226                 if test "x$cross_compiling" != "xno"; then
 227                         # to bypass the underscore linker check, not
 228                         # available during cross-compilation
 229                         mono_cv_uscore=no
 230                 fi
 231                 case "$host" in
 232                 aarch64-*)
 233                         support_boehm=no
 234                         with_gc=sgen
 235                         ;;
 236                 powerpc*-*-linux*)
 237                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 238                         disable_munmap=yes
 239                         ;;
 240                 esac
 241                 ;;
 242         *-*-nacl*)
 243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 244                 if test "x$disable_munmap" != "xyes"; then
 245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 246                 fi
 247                 libmono_cflags="-D_REENTRANT"
 248                 libdl=
 249                 libgc_threads=pthreads
 250                 use_sigposix=yes
 251                 ikvm_native=no
 252                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 253                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 254                 ;;
 255         *-*-hpux*)
 256                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 257                 # +ESdbgasm only valid on bundled cc on RISC
 258                 # silently ignored for ia64
 259                 if test $GCC != "yes"; then
 260                         CFLAGS="$CFLAGS +ESdbgasm"
 261                         # Arrange for run-time dereferencing of null
 262                         # pointers to produce a SIGSEGV signal.
 263                         LDFLAGS="$LDFLAGS -z"
 264                 fi
 265                 CFLAGS="$CFLAGS +ESdbgasm"
 266                 LDFLAGS="$LDFLAGS -z"
 267                 libmono_cflags="-D_REENTRANT"
 268                 libmono_ldflags="-lpthread"
 269                 libgc_threads=pthreads
 270                 need_link_unlink=yes
 271                 use_sigposix=yes
 272                 ;;
 273         *-*-solaris*)
 274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 275                 need_link_unlink=yes
 276                 libmono_cflags="-D_REENTRANT"
 277                 libgc_threads=pthreads
 278                 has_dtrace=yes
 279                 use_sigposix=yes
 280                 enable_solaris_tar_check=yes
 281                 ;;
 282         *-*-darwin*)
 283                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 284                 host_darwin=yes
 285                 target_mach=yes
 286                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 287                 libmono_cflags="-D_THREAD_SAFE"
 288                 need_link_unlink=yes
 289                 AC_DEFINE(PTHREAD_POINTER_ID)
 290                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 291                 libdl=
 292                 libgc_threads=pthreads
 293                 has_dtrace=yes
 294                 if test "x$cross_compiling" = "xyes"; then
 295                         has_broken_apple_cpp=yes
 296                 fi
 297                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 298                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 299                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 300                 case "$host" in
 301                         dnl Snow Leopard and newer config.guess reports as this
 302                         i*86-*-darwin*)
 303                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 304                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 305                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 306                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 307                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 308                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 309                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 310                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 311                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 312                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 313                                 ;;
 314                         x*64-*-darwin*)
 315                                 ;;
 316                         arm*-darwin*)
 317                                 has_dtrace=no
 318                                 ;;
 319                 esac
 320                 ;;
 321         *-*-haiku*)
 322                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 323                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 324                 libdl=
 325                 LIBS="$LIBS -lnetwork"
 326                 need_link_unlink=yes
 327                 AC_DEFINE(PTHREAD_POINTER_ID)
 328                 libgc_threads=pthreads
 329                 use_sigposix=yes
 330                 ;;
 331         *)
 332                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 333                 libdl="-ldl"
 334                 ;;
 335 esac
 336 AC_MSG_RESULT(ok)
 337
 338 if test x$need_link_unlink = xyes; then
 339    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 340 fi
 341
 342 if test x$host_win32 = xyes; then
 343    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 344 fi
 345
 346 if test x$target_win32 = xyes; then
 347    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 348 fi
 349
 350 # Defined for all targets/platforms using classic Windows API support.
 351 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 352 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 353
 354 AC_SUBST(extra_runtime_ldflags)
 355 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 356 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 357 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 358 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 359 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 360 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 361
 362 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 363 PLATFORM_AOT_SUFFIX=.dylib
 364 fi
 365
 366 if test -z "$PLATFORM_LINUX_TRUE"; then :
 367 PLATFORM_AOT_SUFFIX=.so
 368 fi
 369
 370 AC_SUBST(PLATFORM_AOT_SUFFIX)
 371
 372 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 373
 374 AC_CHECK_TOOL(CC, gcc, gcc)
 375 AC_PROG_CC
 376 AC_CHECK_TOOL(CXX, g++, g++)
 377 AC_PROG_CXX
 378 AM_PROG_AS
 379 AC_PROG_INSTALL
 380 AC_PROG_AWK
 381 AM_PROG_CC_C_O
 382 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 383 : ${CCAS='$(CC)'}
 384 # Set ASFLAGS if not already set.
 385 : ${CCASFLAGS='$(CFLAGS)'}
 386 AC_SUBST(CCAS)
 387 AC_SUBST(CCASFLAGS)
 388
 389 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 390 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 391 if test "x$CXX" = "xg++"; then
 392         if test "x$GXX" != "xyes"; then
 393                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 394                 # are inside automake conditionals
 395                 AC_MSG_ERROR([You need to install g++])
 396         fi
 397 fi
 398
 399 dnl may require a specific autoconf version
 400 dnl AC_PROG_CC_FOR_BUILD
 401 dnl CC_FOR_BUILD not automatically detected
 402 CC_FOR_BUILD=$CC
 403 CFLAGS_FOR_BUILD=$CFLAGS
 404 BUILD_EXEEXT=
 405 if test "x$cross_compiling" = "xyes"; then
 406         CC_FOR_BUILD=cc
 407         CFLAGS_FOR_BUILD=
 408         BUILD_EXEEXT=""
 409 fi
 410 AC_SUBST(CC_FOR_BUILD)
 411 AC_SUBST(CFLAGS_FOR_BUILD)
 412 AC_SUBST(HOST_CC)
 413 AC_SUBST(BUILD_EXEEXT)
 414
 415 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 416 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 417
 418 # Set STDC_HEADERS
 419 AC_HEADER_STDC
 420 AC_LIBTOOL_WIN32_DLL
 421 # This causes monodis to not link correctly
 422 #AC_DISABLE_FAST_INSTALL
 423 AM_PROG_LIBTOOL
 424 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 425 DOLT
 426
 427 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 428 AC_SUBST(export_ldflags)
 429
 430 # Test whenever ld supports -version-script
 431 AC_PROG_LD
 432 AC_PROG_LD_GNU
 433
 434 AM_ICONV()
 435
 436 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)
 437 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)
 438 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 439                   [], [], [#include <stddef.h>
 440                   #include <sys/socket.h>
 441                   #include <linux/socket.h>])
 442
 443 AC_CHECK_HEADERS(sys/user.h, [], [],
 444 [
 445 #ifdef HAVE_SYS_PARAM_H
 446 # include <sys/param.h>
 447 #endif
 448 ])
 449
 450 AC_CHECK_HEADERS(linux/serial.h)
 451
 452 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 453 if test x$have_zlib = xyes; then
 454    AC_TRY_COMPILE([#include <zlib.h>], [
 455    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 456    return 0;
 457    #else
 458    #error No good zlib found
 459    #endif
 460    ],[
 461         AC_MSG_RESULT(Using system zlib)
 462         zlib_msg="system zlib"
 463         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 464    ],[
 465         AC_MSG_RESULT(Using embedded zlib)
 466         have_zlib=no
 467         zlib_msg="bundled zlib"
 468    ])
 469 fi
 470
 471 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 472 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 473
 474 # for mono/metadata/debug-symfile.c
 475 AC_CHECK_HEADERS(elf.h)
 476
 477 # for support
 478 AC_CHECK_HEADERS(poll.h)
 479 AC_CHECK_HEADERS(sys/poll.h)
 480 AC_CHECK_HEADERS(sys/wait.h)
 481 AC_CHECK_HEADERS(grp.h)
 482 AC_CHECK_HEADERS(syslog.h)
 483
 484 # for mono/dis
 485 AC_CHECK_HEADERS(wchar.h)
 486 AC_CHECK_HEADERS(ieeefp.h)
 487 AC_MSG_CHECKING(for isinf)
 488 AC_TRY_LINK([#include <math.h>], [
 489         int f = isinf (1.0);
 490 ], [
 491         AC_MSG_RESULT(yes)
 492         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 493 ], [
 494         # We'll have to use signals
 495         AC_MSG_RESULT(no)
 496 ])
 497 # mingw
 498 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 499         AC_TRY_LINK([#include <math.h>],
 500         [ _finite(0.0); ],
 501         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 502         AC_MSG_RESULT(no)))
 503
 504 # for Linux statfs support
 505 AC_CHECK_HEADERS(linux/magic.h)
 506
 507 # not 64 bit clean in cross-compile
 508 AC_CHECK_SIZEOF(void *, 4)
 509
 510 AC_CACHE_CHECK([for clang],
 511         mono_cv_clang,[
 512         AC_TRY_COMPILE([], [
 513                 #ifdef __clang__
 514                 #else
 515                 #error "FAILED"
 516                 #endif
 517                 return 0;
 518         ],
 519         [mono_cv_clang=yes],
 520         [mono_cv_clang=no],
 521         [])
 522 ])
 523
 524 AC_ARG_ENABLE(visibility-hidden,
 525 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 526    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 527
 528 WARN=''
 529 if test x"$GCC" = xyes; then
 530         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 531
 532                 # We require C99 with some GNU extensions, e.g. `linux` macro
 533                 CFLAGS="$CFLAGS -std=gnu99"
 534
 535                 # The runtime code does not respect ANSI C strict aliasing rules
 536                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 537
 538                 # We rely on signed overflow to behave
 539                 CFLAGS="$CFLAGS -fwrapv"
 540
 541                 # We rely on zero length arrays in structs
 542                 CFLAGS="$CFLAGS -Wno-zero-length-array"
 543
 544                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 545                 if test x"$disable_visibility_hidden" = xno; then
 546                    # Don't export any symbols by default
 547                    SHARED_CFLAGS="-fvisibility=hidden"
 548                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 549                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 550                 fi
 551
 552                 ORIG_CFLAGS=$CFLAGS
 553                 # Check for the normal version, since gcc ignores unknown -Wno options
 554                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 555                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 556                 AC_TRY_COMPILE([],[
 557                                 return 0;
 558                 ], [
 559                    AC_MSG_RESULT(yes)
 560                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 561                 ], [
 562                    AC_MSG_RESULT(no)
 563                    CFLAGS=$ORIG_CFLAGS
 564                 ])
 565
 566                 if test "x$mono_cv_clang" = "xyes"; then
 567                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 568                    WARN="$WARN -Qunused-arguments"
 569                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 570                 fi
 571 else
 572         # The Sun Forte compiler complains about inline functions that access static variables
 573         # so disable all inlining.
 574         case "$host" in
 575         *-*-solaris*)
 576                 CFLAGS="$CFLAGS -Dinline="
 577                 ;;
 578         esac
 579 fi
 580 CFLAGS="$CFLAGS -g $WARN"
 581 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 582 CPPFLAGS="$CPPFLAGS -g $WARN"
 583
 584 # Where's the 'mcs' source tree?
 585 if test -d $srcdir/mcs; then
 586   mcsdir=mcs
 587 else
 588   mcsdir=../mcs
 589 fi
 590
 591 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 592         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 593                 mcsdir=$with_mcs_path
 594         fi
 595 )
 596
 597 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 598
 599 #
 600 # A sanity check to catch cases where the package was unpacked
 601 # with an ancient tar program (Solaris)
 602 #
 603 AC_ARG_ENABLE(solaris-tar-check,
 604 [  --disable-solaris-tar-check    disable solaris tar check],
 605    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 606
 607 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 608         AC_MSG_CHECKING(integrity of package)
 609         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 610         then
 611                 AC_MSG_RESULT(ok)
 612         else
 613                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 614                 AC_MSG_ERROR([$errorm])
 615         fi
 616 fi
 617
 618 if test "x$with_mcs_path" != "x"; then
 619 mcs_topdir=$(cd "$mcsdir" && pwd)
 620 mcs_topdir_from_srcdir=$mcs_topdir
 621 else
 622 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 623 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 624 fi
 625
 626 # Convert mcs_topdir* paths to Windows syntax.
 627 if test x$cross_compiling$host_win32 = xnoyes; then
 628   mcs_topdir=$(cygpath -m $mcs_topdir)
 629   case $mcs_topdir_from_srcdir in
 630     /cygdrive/*)
 631         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 632         ;;
 633   esac
 634 fi
 635
 636 AC_SUBST([mcs_topdir])
 637 AC_SUBST([mcs_topdir_from_srcdir])
 638
 639 # gettext: prepare the translation directories.
 640 # we do not configure the full gettext, as we consume it dynamically from C#
 641 AM_PO_SUBDIRS
 642
 643 if test "x$USE_NLS" = "xyes"; then
 644    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 645
 646    if test "x$HAVE_MSGFMT" = "xno"; then
 647           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 648    fi
 649 fi
 650
 651 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 652
 653 pkg_config_path=
 654 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 655         if test x$with_crosspkgdir = "x"; then
 656                 if test -s $PKG_CONFIG_PATH; then
 657                         pkg_config_path=$PKG_CONFIG_PATH
 658                 fi
 659         else
 660                 pkg_config_path=$with_crosspkgdir
 661                 PKG_CONFIG_PATH=$pkg_config_path
 662                 export PKG_CONFIG_PATH
 663         fi
 664 )
 665
 666 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 667 if test x$werror_flag = xyes; then
 668         WERROR_CFLAGS="-Werror"
 669 fi
 670 AC_SUBST([WERROR_CFLAGS])
 671 AC_SUBST([SHARED_CFLAGS])
 672
 673 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 674 AC_CONFIG_SUBDIRS(eglib)
 675
 676 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 677 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 678
 679 AC_SUBST(GLIB_CFLAGS)
 680 AC_SUBST(GLIB_LIBS)
 681
 682 # Enable support for fast thread-local storage
 683 # Some systems have broken support, so we allow to disable it.
 684 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 685
 686 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 687 # This does not work on some platforms (bug #55253)
 688 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 689
 690 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 691 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 692 # Same as --with-shared_mono=no
 693 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 694
 695 if test "x$enable_static" = "xno"; then
 696    with_static_mono=no
 697 fi
 698
 699 if test "x$enable_shared" = "xno"; then
 700    with_shared_mono=no
 701 fi
 702
 703 if test "x$enable_libraries" = "xno"; then
 704    with_shared_mono=no
 705 fi
 706
 707 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 708
 709 case $host in
 710 *nacl* ) with_shared_mono=yes;;
 711 esac
 712
 713 if test "x$host_win32" = "xyes"; then
 714    # Boehm GC requires the runtime to be in its own dll
 715    with_static_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 719 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 720 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 721
 722 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 723 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 724         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 725         ORIG_CFLAGS=$CFLAGS
 726         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 727         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 728         AC_TRY_COMPILE([], [
 729                 return 0;
 730         ], [
 731            AC_MSG_RESULT(yes)
 732            # Pass it to libgc as well
 733            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 734         ], [
 735            AC_MSG_RESULT(no)
 736            CFLAGS=$ORIG_CFLAGS
 737         ])
 738 fi
 739
 740 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 741
 742 if test x$enable_small_config = xyes; then
 743         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 744         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 745 fi
 746
 747 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=$enableval, enable_system_aot=default)
 748
 749 DISABLED_FEATURES=none
 750
 751 #
 752 # Set the build profiles and options before things which use them
 753 #
 754
 755 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 756 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 757 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 758 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 759 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 760 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 761 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 762 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 763
 764 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 765
 766 dnl
 767 dnl Profile defaults
 768 dnl
 769 TEST_PROFILE=default
 770 enable_llvm_default=no
 771
 772 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
 773
 774 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 775    DISABLE_MCS_DOCS_default=yes
 776    with_profile4_x_default=no
 777    with_monodroid_default=no
 778    with_monotouch_default=no
 779    with_monotouch_watch_default=no
 780    with_monotouch_tv_default=no
 781    with_xammac_default=no
 782    with_mobile_static_default=no
 783    with_bitcode_default=no
 784    with_cooperative_gc_default=no
 785 elif test x$with_runtime_preset = xnet_4_x; then
 786    with_cooperative_gc_default=no
 787    with_profile4_x_default=yes
 788    with_monodroid_default=no
 789    with_monotouch_default=no
 790    with_monotouch_watch_default=no
 791    with_monotouch_tv_default=no
 792    with_xammac_default=no
 793    with_mobile_static_default=no
 794    with_bitcode_default=no
 795 elif test x$with_runtime_preset = xall; then
 796    with_cooperative_gc_default=no
 797    with_profile4_x_default=yes
 798    with_monodroid_default=yes
 799    with_monotouch_default=yes
 800    with_monotouch_watch_default=yes
 801    with_monotouch_tv_default=yes
 802    with_xammac_default=yes
 803    with_mobile_static_default=no
 804    with_bitcode_default=no
 805 elif test x$with_runtime_preset = xmobile_static; then
 806    DISABLE_MCS_DOCS_default=yes
 807    with_cooperative_gc_default=no
 808    with_profile4_x_default=no
 809    with_monodroid_default=no
 810    with_monotouch_default=no
 811    with_monotouch_watch_default=no
 812    with_monotouch_tv_default=no
 813    with_xammac_default=no
 814    with_mobile_static_default=yes
 815    with_bitcode_default=no
 816    with_cooperative_gc_default=no
 817    TEST_PROFILE=mobile_static
 818
 819    mono_feature_disable_com='yes'
 820    mono_feature_disable_remoting='yes'
 821    mono_feature_disable_reflection_emit_save='yes'
 822    mono_feature_disable_reflection_emit='yes'
 823    mono_feature_disable_appdomains='yes'
 824
 825    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 826    AOT_RUN_FLAGS="--full-aot"
 827 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 828    DISABLE_MCS_DOCS_default=yes
 829    with_profile4_x_default=no
 830    with_monodroid_default=no
 831    with_monotouch_default=no
 832    with_monotouch_watch_default=no
 833    with_monotouch_tv_default=no
 834    with_xammac_default=no
 835    with_mobile_static_default=yes
 836    with_bitcode_default=yes
 837    with_cooperative_gc_default=yes
 838    TEST_PROFILE=mobile_static
 839    enable_llvm_default=yes
 840
 841    mono_feature_disable_com='yes'
 842    mono_feature_disable_remoting='yes'
 843    mono_feature_disable_reflection_emit_save='yes'
 844    mono_feature_disable_reflection_emit='yes'
 845    mono_feature_disable_appdomains='yes'
 846
 847    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 848    AOT_RUN_FLAGS="--llvmonly"
 849 else
 850    with_profile4_x_default=yes
 851    with_monodroid_default=no
 852    with_monotouch_default=no
 853    with_monotouch_watch_default=no
 854    with_monotouch_tv_default=no
 855    with_bitcode_default=no
 856    with_xammac_default=no
 857    with_mobile_static_default=no
 858    with_cooperative_gc_default=no
 859 fi
 860
 861 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 862    AC_SUBST(AOT_BUILD_FLAGS)
 863    AC_SUBST(AOT_RUN_FLAGS)
 864    # For llvmonlycheck + fullaotcheck
 865    AC_SUBST(INVARIANT_AOT_OPTIONS)
 866 fi
 867
 868 AC_SUBST(TEST_PROFILE)
 869
 870 if test "x$with_profile4_x" = "xdefault"; then
 871    with_profile4_x=$with_profile4_x_default
 872 fi
 873 if test "x$with_monodroid" = "xdefault"; then
 874    with_monodroid=$with_monodroid_default
 875 fi
 876 if test "x$with_monotouch" = "xdefault"; then
 877    with_monotouch=$with_monotouch_default
 878 fi
 879 if test "x$with_monotouch_watch" = "xdefault"; then
 880    with_monotouch_watch=$with_monotouch_watch_default
 881 fi
 882 if test "x$with_monotouch_tv" = "xdefault"; then
 883    with_monotouch_tv=$with_monotouch_tv_default
 884 fi
 885 if test "x$with_bitcode" = "xdefault"; then
 886    with_bitcode=$with_bitcode_default
 887 fi
 888 if test "x$with_xammac" = "xdefault"; then
 889    with_xammac=$with_xammac_default
 890 fi
 891 if test "x$with_mobile_static" = "xdefault"; then
 892    with_mobile_static=$with_mobile_static_default
 893 fi
 894
 895 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 896 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 897 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 898 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 899 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 900 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 901 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 902 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 903
 904 AC_SUBST(INSTALL_MOBILE_STATIC)
 905
 906 default_profile=net_4_x
 907 if test -z "$INSTALL_MONODROID_TRUE"; then :
 908    default_profile=monodroid
 909 fi
 910 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 911    default_profile=monotouch
 912 fi
 913 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 914    default_profile=xammac
 915 fi
 916 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 917    default_profile=mobile_static
 918 fi
 919 if test -z "$INSTALL_4_x_TRUE"; then :
 920    default_profile=net_4_x
 921 fi
 922 DEFAULT_PROFILE=$default_profile
 923 AC_SUBST(DEFAULT_PROFILE)
 924
 925 #
 926 # End build profile configuration
 927 #
 928
 929 if test x$USE_NLS = xprofile_default; then
 930
 931 if test x$host_darwin = xyes; then
 932 # We make the default value for USE_NLS
 933 # "no" on OSX because it isn't available on most
 934 # default OSX installs. The most common configurations will
 935 # all disable it, so this saves us typing.
 936   USE_NLS=no
 937   AC_SUBST([USE_NLS])
 938   AC_MSG_RESULT([$USE_NLS])
 939 else
 940   USE_NLS=yes
 941   AC_SUBST([USE_NLS])
 942   AC_MSG_RESULT([$USE_NLS])
 943 fi
 944
 945 fi
 946
 947 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 948      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 949      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 950          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 951 [
 952         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 953                 eval "mono_feature_disable_$feature='yes'"
 954         done
 955         DISABLED_FEATURES=$enable_minimal
 956         disabled="Disabled:      $enable_minimal"
 957 ],[])
 958
 959 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 960
 961 if test "x$mono_feature_disable_aot" = "xyes"; then
 962         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 963         enable_system_aot=no
 964         AC_MSG_NOTICE([Disabled AOT compiler])
 965 fi
 966
 967 if test "x$mono_feature_disable_profiler" = "xyes"; then
 968         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 969         AC_MSG_NOTICE([Disabled support for the profiler])
 970 fi
 971 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 972
 973 if test "x$mono_feature_disable_decimal" = "xyes"; then
 974         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 975         AC_MSG_NOTICE([Disabled support for decimal])
 976 fi
 977
 978 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 979         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 980         AC_MSG_NOTICE([Disabled support for P/Invoke])
 981 fi
 982
 983 if test "x$mono_feature_disable_debug" = "xyes"; then
 984         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 985         AC_MSG_NOTICE([Disabled support for runtime debugging])
 986 fi
 987
 988 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 989         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 990         mono_feature_disable_reflection_emit_save=yes
 991         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 992 fi
 993
 994 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 995         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 996         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 997 fi
 998
 999 if test "x$mono_feature_disable_large_code" = "xyes"; then
1000         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1001         AC_MSG_NOTICE([Disabled support for large assemblies])
1002 fi
1003
1004 if test "x$mono_feature_disable_logging" = "xyes"; then
1005         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1006         AC_MSG_NOTICE([Disabled support for logging])
1007 fi
1008
1009 if test "x$mono_feature_disable_com" = "xyes"; then
1010         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1011         AC_MSG_NOTICE([Disabled COM support])
1012 fi
1013
1014 if test "x$mono_feature_disable_ssa" = "xyes"; then
1015         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1016         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1017 fi
1018
1019 if test "x$mono_feature_disable_generics" = "xyes"; then
1020         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1021         AC_MSG_NOTICE([Disabled Generics Support])
1022 fi
1023
1024 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1025         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1026         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1027 fi
1028
1029 if test "x$mono_feature_disable_portability" = "xyes"; then
1030         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1031         AC_MSG_NOTICE([Disabled IO Portability layer])
1032 fi
1033
1034 if test "x$mono_feature_disable_attach" = "xyes"; then
1035         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1036         AC_MSG_NOTICE([Disabled agent attach])
1037 fi
1038
1039 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1040         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1041         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1042 fi
1043
1044 if test "x$mono_feature_disable_verifier" = "xyes"; then
1045         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1046         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1047 fi
1048
1049 if test "x$mono_feature_disable_jit" = "xyes"; then
1050         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1051         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1052 fi
1053
1054 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1055
1056 if test "x$mono_feature_disable_simd" = "xyes"; then
1057         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1058         AC_MSG_NOTICE([Disabled SIMD support])
1059 fi
1060
1061 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1062         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1063         AC_MSG_NOTICE([Disabled Soft Debugger.])
1064 fi
1065
1066 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1067         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1068         AC_MSG_NOTICE([Disabled Performance Counters.])
1069 fi
1070 if test "x$mono_feature_disable_normalization" = "xyes"; then
1071         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1072         AC_MSG_NOTICE([Disabled String normalization support.])
1073 fi
1074
1075 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1076         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1077         AC_MSG_NOTICE([Disabled Assembly remapping.])
1078 fi
1079
1080 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1081         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1082         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1083 fi
1084
1085 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1086         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1087         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1088 fi
1089
1090 if test "x$mono_feature_disable_remoting" = "xyes"; then
1091         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1092         AC_MSG_NOTICE([Disabled remoting])
1093 fi
1094
1095 if test "x$mono_feature_disable_security" = "xyes"; then
1096         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1097         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1098 fi
1099
1100 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1101         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1102         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1103 fi
1104
1105 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1106         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1107         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1108 fi
1109
1110 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1111         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1112         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1113 fi
1114
1115 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1116         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1117         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1118 fi
1119
1120 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1121         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1122         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1123 fi
1124
1125 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1126 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1127
1128 has_extension_module=no
1129 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1130 [
1131         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1132                 if test x$extension = xdefault ; then
1133                         has_extension_module=yes;
1134                 fi
1135         done
1136         if test x$enable_extension_module = xyes; then
1137                 has_extension_module=yes;
1138         fi
1139 ], [])
1140
1141 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1142
1143 if test x$has_extension_module != xno ; then
1144         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1145         AC_MSG_NOTICE([Enabling mono extension module.])
1146 fi
1147
1148 # Deprecated
1149 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1150
1151 AC_MSG_CHECKING(for visibility __attribute__)
1152 AC_COMPILE_IFELSE([
1153         AC_LANG_SOURCE([[
1154                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1155                 int main () { doit (); return 0; }
1156         ]])
1157 ], [
1158    have_visibility_hidden=yes
1159    AC_MSG_RESULT(yes)
1160 ], [
1161    have_visibility_hidden=no
1162    AC_MSG_RESULT(no)
1163 ])
1164
1165 dnl
1166 dnl Boehm GC configuration
1167 dnl
1168
1169 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1170
1171 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1172 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1173
1174 if test "x$support_boehm" = "xyes"; then
1175
1176         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1177         if test x$enable_parallel_mark = xyes; then
1178                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1179         fi
1180
1181         gc_msg=""
1182         LIBGC_CPPFLAGS=
1183         LIBGC_LIBS=
1184         LIBGC_STATIC_LIBS=
1185         libgc_dir=
1186         case "x$libgc" in
1187                 xincluded)
1188                         if test "x$support_boehm" = "xyes"; then
1189                                 libgc_dir=libgc
1190                         fi
1191
1192                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1193                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1194                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1195
1196                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1197
1198                         if test x$target_win32 = xyes; then
1199                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1200                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1201                         fi
1202
1203                         gc_msg="Included Boehm GC with typed GC"
1204                         if test x$enable_parallel_mark = xyes; then
1205                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1206                                 gc_msg="$gc_msg and parallel mark"
1207                         else
1208                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1209                         fi
1210                         ;;
1211
1212                 xboehm|xbohem|xyes)
1213                         AC_MSG_WARN("External Boehm is no longer supported")
1214                         ;;
1215
1216                 xsgen)
1217                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1218                         ;;
1219
1220                 xnone)
1221                         AC_MSG_WARN("Compiling mono without GC.")
1222                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1223                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1224                         gc_msg="none"
1225                         ;;
1226                 *)
1227                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1228                         ;;
1229         esac
1230
1231         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1232         if test "x$large_heap" = "xyes"; then
1233            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1234         fi
1235
1236         AC_SUBST(LIBGC_CPPFLAGS)
1237         AC_SUBST(LIBGC_LIBS)
1238         AC_SUBST(LIBGC_STATIC_LIBS)
1239         AC_SUBST(libgc_dir)
1240         AC_SUBST(BOEHM_DEFINES)
1241
1242 fi
1243
1244 dnl
1245 dnl End of Boehm GC Configuration
1246 dnl
1247
1248 dnl *************************************
1249 dnl *** Checks for zero length arrays ***
1250 dnl *************************************
1251 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1252 AC_TRY_COMPILE([
1253         struct s {
1254                 int  length;
1255                 char data [0];
1256         };
1257 ], [], [
1258         AC_MSG_RESULT(yes)
1259         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1260 ], [
1261         AC_MSG_RESULT(no)
1262         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1263 ])
1264
1265 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1266
1267 dnl ***********************************
1268 dnl *** Checks for signals
1269 dnl ***********************************
1270 AC_CHECK_HEADERS(signal.h)
1271 AC_CHECK_FUNCS(sigaction)
1272 AC_CHECK_FUNCS(kill)
1273 AC_CHECK_FUNCS(signal)
1274
1275 # signal() is declared inline in Android headers
1276 # so we need to workaround it by overriding the check.
1277 if test x$platform_android = xyes; then
1278         AC_DEFINE(HAVE_SIGNAL,1)
1279 fi
1280
1281 if test x$host_win32 = xno; then
1282
1283         dnl hires monotonic clock support
1284         AC_SEARCH_LIBS(clock_gettime, rt)
1285         AC_CHECK_FUNCS(clock_nanosleep)
1286
1287         dnl dynamic loader support
1288         AC_CHECK_FUNC(dlopen, DL_LIB="",
1289                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1290         )
1291         if test x$dl_support = xno; then
1292                 AC_MSG_WARN([No dynamic loading support available])
1293         else
1294                 LIBS="$LIBS $DL_LIB"
1295                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1296                 dnl from glib's configure.ac
1297                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1298                         mono_cv_uscore,[
1299                         AC_TRY_RUN([#include <dlfcn.h>
1300                         int mono_underscore_test (void) { return 42; }
1301                         int main() {
1302                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1303                           handle = dlopen ((void*)0, 0);
1304                           if (handle) {
1305                             f1 = dlsym (handle, "mono_underscore_test");
1306                             f2 = dlsym (handle, "_mono_underscore_test");
1307                           } return (!f2 || f1);
1308                         }],
1309                                 [mono_cv_uscore=yes],
1310                                 [mono_cv_uscore=no],
1311                         [])
1312                 ])
1313                 if test "x$mono_cv_uscore" = "xyes"; then
1314                         MONO_DL_NEED_USCORE=1
1315                 else
1316                         MONO_DL_NEED_USCORE=0
1317                 fi
1318                 AC_SUBST(MONO_DL_NEED_USCORE)
1319                 AC_CHECK_FUNC(dlerror)
1320         fi
1321
1322         dnl ******************************************************************
1323         dnl *** Checks for the IKVM JNI interface library                  ***
1324         dnl ******************************************************************
1325         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])
1326
1327         ikvm_native_dir=
1328         if test x$with_ikvm_native = xyes; then
1329                 ikvm_native_dir=ikvm-native
1330                 jdk_headers_found="IKVM Native"
1331         fi
1332
1333         AC_SUBST(ikvm_native_dir)
1334
1335         AC_CHECK_HEADERS(execinfo.h)
1336
1337         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1338
1339         AC_CHECK_FUNCS(getgrgid_r)
1340         AC_CHECK_FUNCS(getgrnam_r)
1341         AC_CHECK_FUNCS(getpwnam_r)
1342         AC_CHECK_FUNCS(getpwuid_r)
1343         AC_CHECK_FUNCS(getresuid)
1344         AC_CHECK_FUNCS(setresuid)
1345         AC_CHECK_FUNCS(kqueue)
1346         AC_CHECK_FUNCS(backtrace_symbols)
1347         AC_CHECK_FUNCS(mkstemp)
1348         AC_CHECK_FUNCS(mmap)
1349         AC_CHECK_FUNCS(madvise)
1350         AC_CHECK_FUNCS(getrusage)
1351         AC_CHECK_FUNCS(getpriority)
1352         AC_CHECK_FUNCS(setpriority)
1353         AC_CHECK_FUNCS(dl_iterate_phdr)
1354         AC_CHECK_FUNCS(dladdr)
1355         AC_CHECK_FUNCS(sysconf)
1356         AC_CHECK_FUNCS(getrlimit)
1357         AC_CHECK_FUNCS(prctl)
1358
1359         AC_CHECK_FUNCS(sched_getaffinity)
1360         AC_CHECK_FUNCS(sched_setaffinity)
1361         AC_CHECK_FUNCS(sched_getcpu)
1362
1363         dnl ****************************************************************
1364         dnl *** Check for sched_setaffinity from glibc versions before   ***
1365         dnl *** 2.3.4. The older versions of the function only take 2    ***
1366         dnl *** parameters, not 3.                                       ***
1367         dnl ***                                                          ***
1368         dnl *** Because the interface change was not made in a minor     ***
1369         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1370         dnl *** won't always indicate the interface sched_affinity has.  ***
1371         dnl ****************************************************************
1372         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1373         AC_TRY_COMPILE([#include <sched.h>], [
1374             int mask = 1;
1375             sched_setaffinity(0, &mask);
1376                         return 0;
1377         ], [
1378                 # Yes, we have it...
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1381         ], [
1382                 # We have the new, three-parameter version
1383                 AC_MSG_RESULT(no)
1384         ])
1385
1386
1387         dnl ******************************************************************
1388         dnl *** Check for large file support                               ***
1389         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1390         dnl ******************************************************************
1391
1392         # Check that off_t can represent 2**63 - 1 correctly, working around
1393         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1394         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1395         large_offt=no
1396         AC_DEFUN([LARGE_FILES], [
1397                 large_CPPFLAGS=$CPPFLAGS
1398                 CPPFLAGS="$CPPFLAGS $1"
1399                 AC_TRY_COMPILE([
1400                         #include <sys/types.h>
1401                         #include <limits.h>
1402                 ], [
1403                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1404                         #define COMPILE_TIME_ASSERT(pred) \
1405                                 switch(0){case 0:case pred:;}
1406                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1407                 ], [
1408                         AC_MSG_RESULT(ok)
1409                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1410                         large_CPPFLAGS="$large_CPPFLAGS $1"
1411                         large_offt=yes
1412                 ], [
1413                         AC_MSG_RESULT(no)
1414                 ])
1415                 CPPFLAGS=$large_CPPFLAGS
1416         ])
1417
1418         AC_MSG_CHECKING(if off_t is 64 bits wide)
1419         LARGE_FILES("")
1420         if test $large_offt = no; then
1421                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1422                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1423         fi
1424         if test $large_offt = no; then
1425                 AC_MSG_WARN([No 64 bit file size support available])
1426         fi
1427
1428         dnl *****************************
1429         dnl *** Checks for libsocket  ***
1430         dnl *****************************
1431         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1432
1433         case "$host" in
1434                 *-*-*freebsd*)
1435                         dnl *****************************
1436                         dnl *** Checks for libinotify ***
1437                         dnl *****************************
1438                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1439         esac
1440
1441         dnl *******************************
1442         dnl *** Checks for MSG_NOSIGNAL ***
1443         dnl *******************************
1444         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1445         AC_TRY_COMPILE([#include <sys/socket.h>], [
1446                 int f = MSG_NOSIGNAL;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1451         ], [
1452                 # We'll have to use signals
1453                 AC_MSG_RESULT(no)
1454         ])
1455
1456         dnl *****************************
1457         dnl *** Checks for IPPROTO_IP ***
1458         dnl *****************************
1459         AC_MSG_CHECKING(for IPPROTO_IP)
1460         AC_TRY_COMPILE([#include <netinet/in.h>], [
1461                 int level = IPPROTO_IP;
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1466         ], [
1467                 # We'll have to use getprotobyname
1468                 AC_MSG_RESULT(no)
1469         ])
1470
1471         dnl *******************************
1472         dnl *** Checks for IPPROTO_IPV6 ***
1473         dnl *******************************
1474         AC_MSG_CHECKING(for IPPROTO_IPV6)
1475         AC_TRY_COMPILE([#include <netinet/in.h>], [
1476                 int level = IPPROTO_IPV6;
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1481         ], [
1482                 # We'll have to use getprotobyname
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl ******************************
1487         dnl *** Checks for IPPROTO_TCP ***
1488         dnl ******************************
1489         AC_MSG_CHECKING(for IPPROTO_TCP)
1490         AC_TRY_COMPILE([#include <netinet/in.h>], [
1491                 int level = IPPROTO_TCP;
1492         ], [
1493                 # Yes, we have it...
1494                 AC_MSG_RESULT(yes)
1495                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1496         ], [
1497                 # We'll have to use getprotobyname
1498                 AC_MSG_RESULT(no)
1499         ])
1500
1501         dnl *****************************
1502         dnl *** Checks for SOL_IP     ***
1503         dnl *****************************
1504         AC_MSG_CHECKING(for SOL_IP)
1505         AC_TRY_COMPILE([#include <netdb.h>], [
1506                 int level = SOL_IP;
1507         ], [
1508                 # Yes, we have it...
1509                 AC_MSG_RESULT(yes)
1510                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1511         ], [
1512                 # We'll have to use getprotobyname
1513                 AC_MSG_RESULT(no)
1514         ])
1515
1516         dnl *****************************
1517         dnl *** Checks for SOL_IPV6     ***
1518         dnl *****************************
1519         AC_MSG_CHECKING(for SOL_IPV6)
1520         AC_TRY_COMPILE([#include <netdb.h>], [
1521                 int level = SOL_IPV6;
1522         ], [
1523                 # Yes, we have it...
1524                 AC_MSG_RESULT(yes)
1525                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1526         ], [
1527                 # We'll have to use getprotobyname
1528                 AC_MSG_RESULT(no)
1529         ])
1530
1531         dnl *****************************
1532         dnl *** Checks for SOL_TCP    ***
1533         dnl *****************************
1534         AC_MSG_CHECKING(for SOL_TCP)
1535         AC_TRY_COMPILE([#include <netdb.h>], [
1536                 int level = SOL_TCP;
1537         ], [
1538                 # Yes, we have it...
1539                 AC_MSG_RESULT(yes)
1540                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1541         ], [
1542                 # We'll have to use getprotobyname
1543                 AC_MSG_RESULT(no)
1544         ])
1545
1546         dnl *****************************
1547         dnl *** Checks for IP_PKTINFO ***
1548         dnl *****************************
1549         AC_MSG_CHECKING(for IP_PKTINFO)
1550         AC_TRY_COMPILE([#include <linux/in.h>], [
1551                 int level = IP_PKTINFO;
1552         ], [
1553                 # Yes, we have it...
1554                 AC_MSG_RESULT(yes)
1555                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1556         ], [
1557                 AC_MSG_RESULT(no)
1558         ])
1559
1560         dnl *****************************
1561         dnl *** Checks for IPV6_PKTINFO ***
1562         dnl *****************************
1563         AC_MSG_CHECKING(for IPV6_PKTINFO)
1564         AC_TRY_COMPILE([#include <netdb.h>], [
1565                 int level = IPV6_PKTINFO;
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1570         ], [
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl **********************************
1575         dnl *** Checks for IP_DONTFRAG     ***
1576         dnl **********************************
1577         AC_MSG_CHECKING(for IP_DONTFRAG)
1578         AC_TRY_COMPILE([#include <netinet/in.h>], [
1579                 int level = IP_DONTFRAG;
1580         ], [
1581                 # Yes, we have it...
1582                 AC_MSG_RESULT(yes)
1583                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1584         ], [
1585                 AC_MSG_RESULT(no)
1586         ])
1587
1588         dnl **********************************
1589         dnl *** Checks for IP_DONTFRAGMENT ***
1590         dnl **********************************
1591         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1592         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1593                 int level = IP_DONTFRAGMENT;
1594         ], [
1595                 # Yes, we have it...
1596                 AC_MSG_RESULT(yes)
1597                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1598         ], [
1599                 AC_MSG_RESULT(no)
1600         ])
1601
1602         dnl **********************************
1603         dnl *** Checks for IP_MTU_DISCOVER ***
1604         dnl **********************************
1605         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1606         AC_TRY_COMPILE([#include <linux/in.h>], [
1607                 int level = IP_MTU_DISCOVER;
1608         ], [
1609                 # Yes, we have it...
1610                 AC_MSG_RESULT(yes)
1611                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1612         ], [
1613                 AC_MSG_RESULT(no)
1614         ])
1615
1616         dnl **********************************
1617         dnl *** Checks for  IP_PMTUDISC_DO ***
1618         dnl **********************************
1619         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1620         AC_TRY_COMPILE([#include <linux/in.h>], [
1621                 int level = IP_PMTUDISC_DO;
1622         ], [
1623                 # Yes, we have it...
1624                 AC_MSG_RESULT(yes)
1625                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1626         ], [
1627                 AC_MSG_RESULT(no)
1628         ])
1629
1630         dnl *********************************
1631         dnl *** Check for struct ip_mreqn ***
1632         dnl *********************************
1633         AC_MSG_CHECKING(for struct ip_mreqn)
1634         AC_TRY_COMPILE([#include <netinet/in.h>], [
1635                 struct ip_mreqn mreq;
1636                 mreq.imr_address.s_addr = 0;
1637         ], [
1638                 # Yes, we have it...
1639                 AC_MSG_RESULT(yes)
1640                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1641         ], [
1642                 # We'll just have to try and use struct ip_mreq
1643                 AC_MSG_RESULT(no)
1644                 AC_MSG_CHECKING(for struct ip_mreq)
1645                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1646                         struct ip_mreq mreq;
1647                         mreq.imr_interface.s_addr = 0;
1648                 ], [
1649                         # Yes, we have it...
1650                         AC_MSG_RESULT(yes)
1651                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1652                 ], [
1653                         # No multicast support
1654                         AC_MSG_RESULT(no)
1655                 ])
1656         ])
1657
1658         dnl **********************************
1659         dnl *** Check for getaddrinfo ***
1660         dnl **********************************
1661         AC_MSG_CHECKING(for getaddrinfo)
1662                 AC_TRY_LINK([
1663                 #include <stdio.h>
1664                 #include <netdb.h>
1665         ], [
1666                 getaddrinfo(NULL,NULL,NULL,NULL);
1667         ], [
1668                 # Yes, we have it...
1669                 AC_MSG_RESULT(yes)
1670                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1671         ], [
1672                 AC_MSG_RESULT(no)
1673         ])
1674
1675         dnl **********************************
1676         dnl *** Check for gethostbyname2_r ***
1677         dnl **********************************
1678         AC_MSG_CHECKING(for gethostbyname2_r)
1679                 AC_TRY_LINK([
1680                 #include <stdio.h>
1681                 #include <netdb.h>
1682         ], [
1683
1684                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1689         ], [
1690                 AC_MSG_RESULT(no)
1691         ])
1692
1693         dnl **********************************
1694         dnl *** Check for gethostbyname2 ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for gethostbyname2)
1697                 AC_TRY_LINK([
1698                 #include <stdio.h>
1699                 #include <netdb.h>
1700         ], [
1701                 gethostbyname2(NULL,0);
1702         ], [
1703                 # Yes, we have it...
1704                 AC_MSG_RESULT(yes)
1705                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1706         ], [
1707                 AC_MSG_RESULT(no)
1708         ])
1709
1710         dnl **********************************
1711         dnl *** Check for gethostbyname ***
1712         dnl **********************************
1713         AC_MSG_CHECKING(for gethostbyname)
1714                 AC_TRY_LINK([
1715                 #include <stdio.h>
1716                 #include <netdb.h>
1717         ], [
1718                 gethostbyname(NULL);
1719         ], [
1720                 # Yes, we have it...
1721                 AC_MSG_RESULT(yes)
1722                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1723         ], [
1724                 AC_MSG_RESULT(no)
1725         ])
1726
1727         dnl **********************************
1728         dnl *** Check for getprotobyname ***
1729         dnl **********************************
1730         AC_MSG_CHECKING(for getprotobyname)
1731                 AC_TRY_LINK([
1732                 #include <stdio.h>
1733                 #include <netdb.h>
1734         ], [
1735                 getprotobyname(NULL);
1736         ], [
1737                 # Yes, we have it...
1738                 AC_MSG_RESULT(yes)
1739                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1740         ], [
1741                 AC_MSG_RESULT(no)
1742         ])
1743
1744         dnl **********************************
1745         dnl *** Check for getnameinfo ***
1746         dnl **********************************
1747         AC_MSG_CHECKING(for getnameinfo)
1748                 AC_TRY_LINK([
1749                 #include <stdio.h>
1750                 #include <netdb.h>
1751         ], [
1752                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1753         ], [
1754                 # Yes, we have it...
1755                 AC_MSG_RESULT(yes)
1756                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1757         ], [
1758                 AC_MSG_RESULT(no)
1759         ])
1760
1761
1762         dnl **********************************
1763         dnl *** Check for inet_ntop ***
1764         dnl **********************************
1765         AC_MSG_CHECKING(for inet_ntop)
1766                 AC_TRY_LINK([
1767                 #include <stdio.h>
1768                 #include <arpa/inet.h>
1769         ], [
1770                 inet_ntop (0, NULL, NULL, 0);
1771         ], [
1772                 # Yes, we have it...
1773                 AC_MSG_RESULT(yes)
1774                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1775         ], [
1776                 AC_MSG_RESULT(no)
1777         ])
1778
1779         dnl *****************************
1780         dnl *** Checks for libnsl     ***
1781         dnl *****************************
1782         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1783
1784         AC_CHECK_FUNCS(inet_pton inet_aton)
1785
1786         dnl *****************************
1787         dnl *** Checks for libxnet    ***
1788         dnl *****************************
1789         case "${host}" in
1790                 *solaris* )
1791                         AC_MSG_CHECKING(for Solaris XPG4 support)
1792                         if test -f /usr/lib/libxnet.so; then
1793                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1794                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1795                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1796                                 LIBS="$LIBS -lxnet"
1797                                 AC_MSG_RESULT(yes)
1798                         else
1799                                 AC_MSG_RESULT(no)
1800                         fi
1801
1802                         if test "$GCC" = "yes"; then
1803                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1804                         fi
1805                 ;;
1806         esac
1807
1808         dnl *****************************
1809         dnl *** Checks for libpthread ***
1810         dnl *****************************
1811 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1812 # and libpthread does not exist
1813 #
1814         case "${host}" in
1815                 *-*-*freebsd*)
1816                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1817                 ;;
1818                 *-*-*openbsd*)
1819                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1820                 ;;
1821                 *)
1822                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1823                 ;;
1824         esac
1825         AC_CHECK_HEADERS(pthread.h)
1826         AC_CHECK_HEADERS(pthread_np.h)
1827         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1828         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1829         AC_CHECK_FUNCS(pthread_kill)
1830         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1831         AC_TRY_COMPILE([ #include <pthread.h>], [
1832                 pthread_mutexattr_t attr;
1833                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1834         ], [
1835                 AC_MSG_RESULT(ok)
1836         ], [
1837                 AC_MSG_RESULT(no)
1838                 AC_ERROR(Posix system lacks support for recursive mutexes)
1839         ])
1840         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1841         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1842         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1843
1844         dnl **********************************
1845         dnl *** Check for mincore ***
1846         dnl **********************************
1847         AC_MSG_CHECKING(for mincore)
1848                 AC_TRY_LINK([
1849                 #include <stdio.h>
1850                 #include <sys/types.h>
1851                 #include <sys/mman.h>
1852         ], [
1853                 mincore(NULL, 0, NULL);
1854         ], [
1855                 # Yes, we have it...
1856                 AC_MSG_RESULT(yes)
1857                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1858         ], [
1859                 AC_MSG_RESULT(no)
1860         ])
1861
1862         dnl ***********************************
1863         dnl *** Checks for working __thread ***
1864         dnl ***********************************
1865         AC_MSG_CHECKING(for working __thread)
1866         if test "x$with_tls" != "x__thread"; then
1867                 AC_MSG_RESULT(disabled)
1868         elif test "x$cross_compiling" = "xyes"; then
1869                 AC_MSG_RESULT(cross compiling, assuming yes)
1870         else
1871                 AC_TRY_RUN([
1872                         #if defined(__APPLE__) && defined(__clang__)
1873                         #error "__thread does not currently work with clang on Mac OS X"
1874                         #endif
1875
1876                         #include <pthread.h>
1877                         __thread int i;
1878                         static int res1, res2;
1879
1880                         void thread_main (void *arg)
1881                         {
1882                                 i = arg;
1883                                 sleep (1);
1884                                 if (arg == 1)
1885                                         res1 = (i == arg);
1886                                 else
1887                                         res2 = (i == arg);
1888                         }
1889
1890                         int main () {
1891                                 pthread_t t1, t2;
1892
1893                                 i = 5;
1894
1895                                 pthread_create (&t1, NULL, thread_main, 1);
1896                                 pthread_create (&t2, NULL, thread_main, 2);
1897
1898                                 pthread_join (t1, NULL);
1899                                 pthread_join (t2, NULL);
1900
1901                                 return !(res1 + res2 == 2);
1902                         }
1903                 ], [
1904                                 AC_MSG_RESULT(yes)
1905                 ], [
1906                                 AC_MSG_RESULT(no)
1907                                 with_tls=pthread
1908                 ])
1909         fi
1910
1911         dnl **************************************
1912         dnl *** Checks for working sigaltstack ***
1913         dnl **************************************
1914         AC_MSG_CHECKING(for working sigaltstack)
1915         if test "x$with_sigaltstack" != "xyes"; then
1916                 AC_MSG_RESULT(disabled)
1917         elif test "x$cross_compiling" = "xyes"; then
1918                 AC_MSG_RESULT(cross compiling, assuming yes)
1919         else
1920                 AC_TRY_RUN([
1921                         #include <stdio.h>
1922                         #include <stdlib.h>
1923                         #include <unistd.h>
1924                         #include <signal.h>
1925                         #include <pthread.h>
1926                         #include <sys/wait.h>
1927                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1928                         #define SA_STACK SA_ONSTACK
1929                         #endif
1930                         static void
1931                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1932                         {
1933                                 exit (0);
1934                         }
1935
1936                         volatile char*__ptr = NULL;
1937                         static void *
1938                         loop (void *ignored)
1939                         {
1940                                 *__ptr = 0;
1941                                 return NULL;
1942                         }
1943
1944                         static void
1945                         child ()
1946                         {
1947                                 struct sigaction sa;
1948                         #ifdef __APPLE__
1949                                 stack_t sas;
1950                         #else
1951                                 struct sigaltstack sas;
1952                         #endif
1953                                 pthread_t id;
1954                                 pthread_attr_t attr;
1955
1956                                 sa.sa_sigaction = sigsegv_signal_handler;
1957                                 sigemptyset (&sa.sa_mask);
1958                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1959                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1960                                         perror ("sigaction");
1961                                         return;
1962                                 }
1963
1964                                 /* x86 darwin deliver segfaults using SIGBUS */
1965                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1966                                         perror ("sigaction");
1967                                         return;
1968                                 }
1969                                 sas.ss_sp = malloc (SIGSTKSZ);
1970                                 sas.ss_size = SIGSTKSZ;
1971                                 sas.ss_flags = 0;
1972                                 if (sigaltstack (&sas, NULL) == -1) {
1973                                         perror ("sigaltstack");
1974                                         return;
1975                                 }
1976
1977                                 pthread_attr_init (&attr);
1978                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1979                                         printf ("pthread_create\n");
1980                                         return;
1981                                 }
1982
1983                                 sleep (100);
1984                         }
1985
1986                         int
1987                         main ()
1988                         {
1989                                 pid_t son;
1990                                 int status;
1991                                 int i;
1992
1993                                 son = fork ();
1994                                 if (son == -1) {
1995                                         return 1;
1996                                 }
1997
1998                                 if (son == 0) {
1999                                         child ();
2000                                         return 0;
2001                                 }
2002
2003                                 for (i = 0; i < 300; ++i) {
2004                                         waitpid (son, &status, WNOHANG);
2005                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2006                                                 return 0;
2007                                         usleep (10000);
2008                                 }
2009
2010                                 kill (son, SIGKILL);
2011                                 return 1;
2012                         }
2013
2014                 ], [
2015                                 AC_MSG_RESULT(yes)
2016                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2017                 ], [
2018                                 with_sigaltstack=no
2019                                 AC_MSG_RESULT(no)
2020                 ])
2021         fi
2022
2023         dnl ********************************
2024         dnl *** Checks for semaphore lib ***
2025         dnl ********************************
2026         # 'Real Time' functions on Solaris
2027         # posix4 on Solaris 2.6
2028         # pthread (first!) on Linux
2029         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2030
2031         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2032         AC_CHECK_FUNCS(shm_open)
2033
2034         dnl ********************************
2035         dnl *** Checks for timezone stuff **
2036         dnl ********************************
2037         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2038                 AC_TRY_COMPILE([
2039                         #include <time.h>
2040                         ], [
2041                         struct tm tm;
2042                         tm.tm_gmtoff = 1;
2043                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2044         if test $ac_cv_struct_tm_gmtoff = yes; then
2045                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2046         else
2047                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2048                         AC_TRY_COMPILE([
2049                                 #include <time.h>
2050                         ], [
2051                                 timezone = 1;
2052                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2053                 if test $ac_cv_var_timezone = yes; then
2054                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2055                 else
2056                         AC_ERROR(unable to find a way to determine timezone)
2057                 fi
2058         fi
2059
2060         dnl *********************************
2061         dnl *** Checks for math functions ***
2062         dnl *********************************
2063         AC_SEARCH_LIBS(sqrtf, m)
2064         if test "x$has_broken_apple_cpp" != "xyes"; then
2065                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2066                         AC_TRY_LINK([#include <math.h>],
2067                         [ finite(0.0); ],
2068                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2069                         AC_MSG_RESULT(no)))
2070         fi
2071         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2072                 AC_TRY_LINK([#include <math.h>],
2073                 [ isfinite(0.0); ],
2074                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2075                 AC_MSG_RESULT(no)))
2076
2077         dnl ****************************************************************
2078         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2079         dnl *** have it in the library (duh))                            ***
2080         dnl ****************************************************************
2081         AC_CHECK_FUNCS(poll)
2082
2083         dnl *************************
2084         dnl *** Check for signbit ***
2085         dnl *************************
2086         AC_MSG_CHECKING(for signbit)
2087         AC_TRY_LINK([#include <math.h>], [
2088                 int s = signbit(1.0);
2089         ], [
2090                 AC_MSG_RESULT(yes)
2091                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2092         ], [
2093                 AC_MSG_RESULT(no)
2094         ])
2095
2096         dnl **********************************
2097         dnl *** epoll                      ***
2098         dnl **********************************
2099         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2100                 AC_CHECK_HEADERS(sys/epoll.h)
2101                 haveepoll=no
2102                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2103                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2104                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2105                 fi
2106         fi
2107
2108         havekqueue=no
2109
2110         AC_CHECK_HEADERS(sys/event.h)
2111         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2112
2113         dnl **************************************
2114         dnl * Darwin has a race that prevents us from using reliably:
2115         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2116         dnl * Since kqueue is mostly used for scaling large web servers,
2117         dnl * and very few folks run Mono on large web servers on OSX, falling
2118         dnl * back
2119         dnl **************************************
2120         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2121                 if test "x$host_darwin" = "xno"; then
2122                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2123                 fi
2124         fi
2125
2126         dnl ******************************
2127         dnl *** Checks for SIOCGIFCONF ***
2128         dnl ******************************
2129         AC_CHECK_HEADERS(sys/ioctl.h)
2130         AC_CHECK_HEADERS(net/if.h, [], [],
2131            [
2132            #ifdef HAVE_SYS_TYPES_H
2133            # include <sys/types.h>
2134            #endif
2135            #ifdef HAVE_SYS_SOCKET_H
2136            # include <sys/socket.h>
2137            #endif
2138            ])
2139         AC_MSG_CHECKING(for ifreq)
2140         AC_TRY_COMPILE([
2141                 #include <stdio.h>
2142                 #include <sys/ioctl.h>
2143                 #include <net/if.h>
2144                 ], [
2145                 struct ifconf ifc;
2146                 struct ifreq *ifr;
2147                 void *x;
2148                 ifc.ifc_len = 0;
2149                 ifc.ifc_buf = NULL;
2150                 x = (void *) &ifr->ifr_addr;
2151                 ],[
2152                         AC_MSG_RESULT(yes)
2153                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2154                 ], [
2155                         AC_MSG_RESULT(no)
2156                 ])
2157         dnl **********************************
2158         dnl ***     Checks for sin_len     ***
2159         dnl **********************************
2160         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2161         AC_TRY_COMPILE([
2162                 #include <netinet/in.h>
2163                 ], [
2164                 struct sockaddr_in saddr;
2165                 saddr.sin_len = sizeof (saddr);
2166                 ],[
2167                         AC_MSG_RESULT(yes)
2168                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2169                 ], [
2170                         AC_MSG_RESULT(no)
2171                 ])
2172         dnl **********************************
2173         dnl ***    Checks for sin6_len     ***
2174         dnl **********************************
2175         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2176         AC_TRY_COMPILE([
2177                 #include <netinet/in.h>
2178                 ], [
2179                 struct sockaddr_in6 saddr6;
2180                 saddr6.sin6_len = sizeof (saddr6);
2181                 ],[
2182                         AC_MSG_RESULT(yes)
2183                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2184                 ], [
2185                         AC_MSG_RESULT(no)
2186                 ])
2187         dnl **********************************
2188         dnl *** Check for getifaddrs       ***
2189         dnl **********************************
2190         AC_MSG_CHECKING(for getifaddrs)
2191                 AC_TRY_LINK([
2192                 #include <stdio.h>
2193                 #include <sys/types.h>
2194                 #include <sys/socket.h>
2195                 #include <ifaddrs.h>
2196         ], [
2197                 getifaddrs(NULL);
2198         ], [
2199                 # Yes, we have it...
2200                 AC_MSG_RESULT(yes)
2201                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2202         ], [
2203                 AC_MSG_RESULT(no)
2204         ])
2205         dnl **********************************
2206         dnl *** Check for if_nametoindex   ***
2207         dnl **********************************
2208         AC_MSG_CHECKING(for if_nametoindex)
2209                 AC_TRY_LINK([
2210                 #include <stdio.h>
2211                 #include <sys/types.h>
2212                 #include <sys/socket.h>
2213                 #include <net/if.h>
2214         ], [
2215                 if_nametoindex(NULL);
2216         ], [
2217                 # Yes, we have it...
2218                 AC_MSG_RESULT(yes)
2219                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2220         ], [
2221                 AC_MSG_RESULT(no)
2222         ])
2223
2224         dnl **********************************
2225         dnl *** Checks for MonoPosixHelper ***
2226         dnl **********************************
2227         AC_CHECK_HEADERS(checklist.h)
2228         AC_CHECK_HEADERS(pathconf.h)
2229         AC_CHECK_HEADERS(fstab.h)
2230         AC_CHECK_HEADERS(attr/xattr.h)
2231         AC_CHECK_HEADERS(sys/extattr.h)
2232         AC_CHECK_HEADERS(sys/sendfile.h)
2233         AC_CHECK_HEADERS(sys/statvfs.h)
2234         AC_CHECK_HEADERS(sys/statfs.h)
2235         AC_CHECK_HEADERS(sys/vfstab.h)
2236         AC_CHECK_HEADERS(sys/xattr.h)
2237         AC_CHECK_HEADERS(sys/mman.h)
2238         AC_CHECK_HEADERS(sys/param.h)
2239         AC_CHECK_HEADERS(sys/mount.h, [], [],
2240                 [
2241                 #ifdef HAVE_SYS_PARAM_H
2242                 # include <sys/param.h>
2243                 #endif
2244                 ])
2245         AC_CHECK_HEADERS(sys/mount.h)
2246         AC_CHECK_FUNCS(confstr)
2247         AC_CHECK_FUNCS(seekdir telldir)
2248         AC_CHECK_FUNCS(getdomainname)
2249         AC_CHECK_FUNCS(setdomainname)
2250         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2251         AC_CHECK_FUNCS(setgroups)
2252         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2253         AC_CHECK_FUNCS(getfsstat)
2254         AC_CHECK_FUNCS(lutimes futimes)
2255         AC_CHECK_FUNCS(mremap)
2256         AC_CHECK_FUNCS(remap_file_pages)
2257         AC_CHECK_FUNCS(posix_fadvise)
2258         AC_CHECK_FUNCS(posix_fallocate)
2259         AC_CHECK_FUNCS(posix_madvise)
2260         AC_CHECK_FUNCS(vsnprintf)
2261         AC_CHECK_FUNCS(sendfile)
2262         AC_CHECK_FUNCS(gethostid sethostid)
2263         AC_CHECK_FUNCS(sethostname)
2264         AC_CHECK_FUNCS(statfs)
2265         AC_CHECK_FUNCS(fstatfs)
2266         AC_CHECK_FUNCS(statvfs)
2267         AC_CHECK_FUNCS(fstatvfs)
2268         AC_CHECK_FUNCS(stime)
2269         AC_CHECK_FUNCS(strerror_r)
2270         AC_CHECK_FUNCS(ttyname_r)
2271         AC_CHECK_FUNCS(psignal)
2272         AC_CHECK_FUNCS(getlogin_r)
2273         AC_CHECK_FUNCS(lockf)
2274         AC_CHECK_FUNCS(swab)
2275         AC_CHECK_FUNCS(setusershell endusershell)
2276         AC_CHECK_FUNCS(futimens utimensat)
2277         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2278         AC_CHECK_FUNCS(readv writev preadv pwritev)
2279         AC_CHECK_FUNCS(setpgid)
2280         AC_CHECK_FUNCS(system)
2281         AC_CHECK_FUNCS(fork execv execve)
2282         AC_CHECK_FUNCS(accept4)
2283         AC_CHECK_SIZEOF(size_t)
2284         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2285                 [#include <sys/types.h>
2286                  #include <sys/stat.h>
2287                  #include <unistd.h>])
2288         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2289                 [#include <sys/types.h>
2290                  #include <sys/stat.h>
2291                  #include <unistd.h>])
2292         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2293                 [#include <sys/time.h>])
2294         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2295                 [#include <sys/socket.h>])
2296         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2297                 [#include <unistd.h>
2298                  #include <fcntl.h>])
2299         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2300                 [#include <sys/uio.h>])
2301         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2302                 [#include <sys/socket.h>])
2303         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2304                 [#include <sys/poll.h>])
2305         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2306                 [#include <sys/socket.h>])
2307         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2308                 [#include <sys/socket.h>])
2309         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2310                 [#include <netinet/in.h>])
2311         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2312                 [#include <netinet/in.h>])
2313         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2314                 [#include <sys/un.h>])
2315         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2316                 [#include <sys/types.h>
2317                  #include <sys/stat.h>
2318                  #include <unistd.h>])
2319         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2320                 [#include <time.h>])
2321         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2322                 [#include <sys/time.h>
2323                  #include <sys/types.h>
2324                  #include <utime.h>])
2325         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2326                 [#include <sys/time.h>])
2327         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2328                 [#include <sys/types.h>
2329                  #include <utime.h>])
2330         AC_CHECK_MEMBERS(
2331                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2332                 [#include <sys/types.h>
2333                  #include <dirent.h>])
2334         AC_CHECK_MEMBERS(
2335                 [struct passwd.pw_gecos],,,
2336                 [#include <sys/types.h>
2337                  #include <pwd.h>])
2338         AC_CHECK_MEMBERS(
2339                 [struct statfs.f_flags],,,
2340                 [#include <sys/types.h>
2341                  #include <sys/vfs.h>])
2342         AC_CHECK_MEMBERS(
2343                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2344                 [#include <sys/types.h>
2345                  #include <sys/stat.h>
2346                  #include <unistd.h>])
2347
2348         dnl Favour xattr through glibc, but use libattr if we have to
2349         AC_CHECK_FUNC(lsetxattr, ,
2350                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2351         )
2352         AC_SUBST(XATTR_LIB)
2353
2354         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2355         AC_CHECK_MEMBERS(
2356                 [struct kinfo_proc.kp_proc],,,
2357                 [#include <sys/types.h>
2358                  #include <sys/param.h>
2359                  #include <sys/sysctl.h>
2360                  #include <sys/proc.h>
2361                  ])
2362
2363         dnl *********************************
2364         dnl *** Checks for Windows compilation ***
2365         dnl *********************************
2366         AC_CHECK_HEADERS(sys/time.h)
2367         AC_CHECK_HEADERS(sys/param.h)
2368         AC_CHECK_HEADERS(dirent.h)
2369
2370         dnl ******************************************
2371         dnl *** Checks for OSX and iOS compilation ***
2372         dnl ******************************************
2373         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2374
2375         dnl *********************************
2376         dnl *** Check for Console 2.0 I/O ***
2377         dnl *********************************
2378         AC_CHECK_HEADERS([curses.h])
2379         AC_CHECK_HEADERS([term.h], [], [],
2380         [#if HAVE_CURSES_H
2381          #include <curses.h>
2382          #endif
2383         ])
2384         AC_CHECK_HEADERS([termios.h])
2385 else
2386         dnl *********************************
2387         dnl *** Checks for Windows compilation ***
2388         dnl *********************************
2389         AC_CHECK_HEADERS(winternl.h)
2390
2391         jdk_headers_found=no
2392         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2393         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2394         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2395         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2396         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2397         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2398         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2399
2400         dnl *********************************
2401         dnl *** Check for struct ip_mreqn ***
2402         dnl *********************************
2403         AC_MSG_CHECKING(for struct ip_mreqn)
2404         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2405                 struct ip_mreqn mreq;
2406                 mreq.imr_address.s_addr = 0;
2407         ], [
2408                 # Yes, we have it...
2409                 AC_MSG_RESULT(yes)
2410                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2411         ], [
2412                 # We'll just have to try and use struct ip_mreq
2413                 AC_MSG_RESULT(no)
2414                 AC_MSG_CHECKING(for struct ip_mreq)
2415                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2416                         struct ip_mreq mreq;
2417                         mreq.imr_interface.s_addr = 0;
2418                 ], [
2419                         # Yes, we have it...
2420                         AC_MSG_RESULT(yes)
2421                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2422                 ], [
2423                         # No multicast support
2424                         AC_MSG_RESULT(no)
2425                 ])
2426         ])
2427
2428         dnl **********************************
2429         dnl *** Check for getaddrinfo ***
2430         dnl **********************************
2431         AC_MSG_CHECKING(for getaddrinfo)
2432                 AC_TRY_LINK([
2433                 #include <stdio.h>
2434                 #include <winsock2.h>
2435                 #include <ws2tcpip.h>
2436         ], [
2437                 getaddrinfo(NULL,NULL,NULL,NULL);
2438         ], [
2439                 # Yes, we have it...
2440                 AC_MSG_RESULT(yes)
2441                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2442         ], [
2443                 AC_MSG_RESULT(no)
2444         ])
2445
2446         dnl **********************************
2447         dnl *** Check for gethostbyname ***
2448         dnl **********************************
2449         AC_MSG_CHECKING(for gethostbyname)
2450                 AC_TRY_LINK([
2451                 #include <stdio.h>
2452                 #include <winsock2.h>
2453                 #include <ws2tcpip.h>
2454         ], [
2455                 gethostbyname(NULL);
2456         ], [
2457                 # Yes, we have it...
2458                 AC_MSG_RESULT(yes)
2459                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2460         ], [
2461                 AC_MSG_RESULT(no)
2462         ])
2463
2464         dnl **********************************
2465         dnl *** Check for getprotobyname ***
2466         dnl **********************************
2467         AC_MSG_CHECKING(for getprotobyname)
2468                 AC_TRY_LINK([
2469                 #include <stdio.h>
2470                 #include <winsock2.h>
2471                 #include <ws2tcpip.h>
2472         ], [
2473                 getprotobyname(NULL);
2474         ], [
2475                 # Yes, we have it...
2476                 AC_MSG_RESULT(yes)
2477                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2478         ], [
2479                 AC_MSG_RESULT(no)
2480         ])
2481
2482         dnl **********************************
2483         dnl *** Check for getnameinfo ***
2484         dnl **********************************
2485         AC_MSG_CHECKING(for getnameinfo)
2486                 AC_TRY_LINK([
2487                 #include <stdio.h>
2488                 #include <winsock2.h>
2489                 #include <ws2tcpip.h>
2490         ], [
2491                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2492         ], [
2493                 # Yes, we have it...
2494                 AC_MSG_RESULT(yes)
2495                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2496         ], [
2497                 AC_MSG_RESULT(no)
2498         ])
2499
2500         dnl **********************************
2501         dnl *** Check for inet_ntop ***
2502         dnl **********************************
2503         AC_MSG_CHECKING(for inet_ntop)
2504                 AC_TRY_LINK([
2505                 #include <stdio.h>
2506                 #include <winsock2.h>
2507                 #include <ws2tcpip.h>
2508         ], [
2509                 inet_ntop (0, NULL, NULL, 0);
2510         ], [
2511                 # Yes, we have it...
2512                 AC_MSG_RESULT(yes)
2513                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2514         ], [
2515                 AC_MSG_RESULT(no)
2516         ])
2517
2518         dnl **********************************
2519         dnl *** Check for inet_pton ***
2520         dnl **********************************
2521         AC_MSG_CHECKING(for inet_pton)
2522                 AC_TRY_LINK([
2523                 #include <stdio.h>
2524                 #include <winsock2.h>
2525                 #include <ws2tcpip.h>
2526         ], [
2527                 #ifndef inet_pton
2528                 (void) inet_pton;
2529                 #endif
2530                 inet_pton (0, NULL, NULL);
2531         ], [
2532                 # Yes, we have it...
2533                 AC_MSG_RESULT(yes)
2534                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2535         ], [
2536                 AC_MSG_RESULT(no)
2537         ])
2538
2539         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2540         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2541         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2542         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2543         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2544         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2545         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2546 fi
2547
2548 dnl socklen_t check
2549 AC_MSG_CHECKING(for socklen_t)
2550 AC_TRY_COMPILE([
2551 #include <sys/types.h>
2552 #include <sys/socket.h>
2553 ],[
2554   socklen_t foo;
2555 ],[
2556 ac_cv_c_socklen_t=yes
2557         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2558         AC_MSG_RESULT(yes)
2559 ],[
2560         AC_MSG_RESULT(no)
2561 ])
2562
2563 AC_MSG_CHECKING(for array element initializer support)
2564 AC_TRY_COMPILE([#include <sys/socket.h>], [
2565         const int array[] = {[1] = 2,};
2566 ], [
2567         # Yes, we have it...
2568         AC_MSG_RESULT(yes)
2569         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2570 ], [
2571         # We'll have to use signals
2572         AC_MSG_RESULT(no)
2573 ])
2574
2575 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2576         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2577         AC_TRY_LINK([#include <math.h>],
2578         [ static void *p = &trunc; ],
2579         [
2580                 AC_DEFINE(HAVE_TRUNC)
2581                 AC_MSG_RESULT(yes)
2582                 ac_cv_trunc=yes
2583         ],
2584         AC_MSG_RESULT(no)))
2585
2586 if test "x$ac_cv_truncl" != "xyes"; then
2587    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2588 fi
2589
2590 AC_CHECK_FUNCS(execvp)
2591
2592 dnl ****************************
2593 dnl *** Look for /dev/random ***
2594 dnl ****************************
2595
2596 AC_MSG_CHECKING([if usage of random device is requested])
2597 AC_ARG_ENABLE(dev-random,
2598 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2599 try_dev_random=$enableval, try_dev_random=yes)
2600
2601 AC_MSG_RESULT($try_dev_random)
2602
2603 case "{$build}" in
2604     *-openbsd*)
2605     NAME_DEV_RANDOM="/dev/srandom"
2606     ;;
2607
2608 dnl Win32 does not have /dev/random, they have their own method...
2609
2610     *-mingw*|*-*-cygwin*)
2611     ac_cv_have_dev_random=no
2612     ;;
2613
2614 dnl Everywhere else, it's /dev/random
2615
2616     *)
2617     NAME_DEV_RANDOM="/dev/random"
2618     ;;
2619 esac
2620
2621 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2622
2623 dnl Now check if the device actually exists
2624
2625 if test "x$try_dev_random" = "xyes"; then
2626     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2627     [if test -r "$NAME_DEV_RANDOM" ; then
2628         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2629     if test "x$ac_cv_have_dev_random" = "xyes"; then
2630         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2631     fi
2632 else
2633     AC_MSG_CHECKING(for random device)
2634     ac_cv_have_dev_random=no
2635     AC_MSG_RESULT(has been disabled)
2636 fi
2637
2638 if test "x$host_win32" = "xyes"; then
2639     AC_DEFINE(HAVE_CRYPT_RNG)
2640 fi
2641
2642 if test "x$ac_cv_have_dev_random" = "xno" \
2643     && test "x$host_win32" = "xno"; then
2644     AC_MSG_WARN([[
2645 ***
2646 *** A system-provided entropy source was not found on this system.
2647 *** Because of this, the System.Security.Cryptography random number generator
2648 *** will throw a NotImplemented exception.
2649 ***
2650 *** If you are seeing this message, and you know your system DOES have an
2651 *** entropy collection in place, please contact <crichton@gimp.org> and
2652 *** provide information about the system and how to access the random device.
2653 ***
2654 *** Otherwise you can install either egd or prngd and set the environment
2655 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2656 ***]])
2657 fi
2658
2659 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2660
2661 AC_MSG_CHECKING([if big-arrays are to be enabled])
2662 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2663 if test "x$enable_big_arrays" = "xyes" ; then
2664     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2665         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2666     else
2667         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2668     fi
2669 fi
2670 AC_MSG_RESULT($enable_big_arrays)
2671
2672 dnl **************
2673 dnl *** DTRACE ***
2674 dnl **************
2675
2676 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2677
2678 if test "x$enable_dtrace" = "xyes"; then
2679    if test "x$has_dtrace" = "xno"; then
2680           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2681    fi
2682    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2683    if test "x$DTRACE" = "xno"; then
2684           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2685           enable_dtrace=no
2686    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2687           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2688           enable_dtrace=no
2689    fi
2690 fi
2691
2692 dtrace_g=no
2693 if test "x$enable_dtrace" = "xyes"; then
2694         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2695         DTRACEFLAGS=
2696         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2697                 case "$host" in
2698                         powerpc-*-darwin*)
2699                         DTRACEFLAGS="-arch ppc64"
2700                         ;;
2701                         i*86-*-darwin*)
2702                         DTRACEFLAGS="-arch x86_64"
2703                         ;;
2704                         *)
2705                         DTRACEFLAGS=-64
2706                         ;;
2707                 esac
2708         else
2709                 case "$host" in
2710                         powerpc-*-darwin*)
2711                         DTRACEFLAGS="-arch ppc"
2712                         ;;
2713                         i*86-*-darwin*)
2714                         DTRACEFLAGS="-arch i386"
2715                         ;;
2716                         *)
2717                         DTRACEFLAGS=-32
2718                         ;;
2719                 esac
2720         fi
2721         AC_SUBST(DTRACEFLAGS)
2722         case "$host" in
2723                 *-*-solaris*)
2724                 dtrace_g=yes
2725                 ;;
2726         esac
2727         AC_CHECK_HEADERS([sys/sdt.h])
2728 fi
2729 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2730 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2731
2732 dnl **************
2733 dnl ***  NaCl  ***
2734 dnl **************
2735
2736 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2737 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2738
2739 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2740
2741 dnl
2742 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2743 dnl
2744 nacl_self_host=""
2745 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2746    nacl_self_host="nacl_self_host"
2747 fi
2748 AC_SUBST(nacl_self_host)
2749
2750 if test "x$enable_nacl_codegen" = "xyes"; then
2751    MONO_NACL_ALIGN_MASK_OFF=1
2752    AC_DEFINE(TARGET_NACL, 1, [...])
2753    AC_DEFINE(__native_client_codegen__, 1, [...])
2754 fi
2755 if test "x$enable_nacl_gc" = "xyes"; then
2756    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2757       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2758    else
2759       # Not yet implemented
2760       INSTRUMENT_CFLAG=""
2761    fi
2762    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2763 fi
2764 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2765
2766 dnl **************************
2767 dnl *** AOT cross offsets  ***
2768 dnl **************************
2769
2770 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2771     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2772
2773 dnl **************
2774 dnl ***  LLVM  ***
2775 dnl **************
2776
2777 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2778 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2779 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2780 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2781
2782 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2783
2784 if test "x$enable_llvm" = "xdefault"; then
2785    enable_llvm=$enable_llvm_default
2786 fi
2787
2788 if test "x$enable_llvm" = "xyes"; then
2789    if test "x$with_llvm" != "x"; then
2790           LLVM_CONFIG=$with_llvm/bin/llvm-config
2791           if test x$host_win32 = xyes; then
2792                 LLVM_CONFIG=$LLVM_CONFIG.exe
2793           fi
2794           if test ! -x $LLVM_CONFIG; then
2795                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2796       fi
2797    else
2798       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2799       if test "x$LLVM_CONFIG" = "xno"; then
2800              AC_MSG_ERROR([llvm-config not found.])
2801       fi
2802    fi
2803
2804    llvm_codegen="x86codegen"
2805    case "$target" in
2806    arm*)
2807                 llvm_codegen="armcodegen"
2808                 ;;
2809    esac
2810
2811    if test "x$host_win32" = "xno"; then
2812
2813    # Should be something like '2.6' or '2.7svn'
2814    llvm_version=`$LLVM_CONFIG --version`
2815    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2816    AC_MSG_CHECKING(LLVM version)
2817    AC_MSG_RESULT($llvm_version $llvm_api_version)
2818    if echo $llvm_version | grep -q 'mono'; then
2819           if test "x$enable_llvm_version_check" = "xyes"; then
2820                  if test "$llvm_version" != "$expected_llvm_version"; then
2821                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2822                  fi
2823           fi
2824    else
2825           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.])
2826    fi
2827
2828    # The output of --cflags seems to include optimizations flags too
2829    if test $llvm_api_version -gt 100; then
2830           # The --cflags argument includes all kinds of warnings -pendantic etc.
2831           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2832           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2833    else
2834           LLVM_CFLAGS=`$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'`
2835       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2836    fi
2837    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2838    # from LLVM classes.
2839    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2840    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2841    # This might include empty lines
2842    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2843    llvm_jit_supported=yes
2844    llvm_jit_libs="jit mcjit $llvm_codegen"
2845    if test "x$host" != "x$target"; then
2846       # No need for jit libs
2847           llvm_jit_supported=no
2848       llvm_jit_libs=""
2849    elif test $llvm_api_version -gt 100; then
2850       llvm_jit_libs="orcjit $llvm_codegen"
2851    fi
2852    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2853    if test "x$LLVM_LIBS" = "x"; then
2854           echo "$LLVM_CONFIG --libs failed."
2855           exit 1
2856    fi
2857    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2858    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2859    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2860       LLVM_LIBS="$LLVM_LIBS -lc++"
2861    else
2862       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2863    fi
2864
2865    expected_llvm_version="3.4svn-mono-mono/e656cac"
2866
2867    else
2868        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2869        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2870        LLVM_LDFLAGS="-L$with_llvm/lib"
2871        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2872        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2873          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2874          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2875          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2876          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2877          -lLLVMAnalysis -lLLVMTarget \
2878          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2879          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2880          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2881          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2882          -lLLVMSupport -lstdc++"
2883        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2884
2885        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2886        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2887    fi
2888
2889    if test "x$llvm_api_version" = "x"; then
2890           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2891           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2892    else
2893           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2894           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2895    fi
2896
2897    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2898
2899    AC_SUBST(LLVM_CFLAGS)
2900    AC_SUBST(LLVM_CXXFLAGS)
2901    AC_SUBST(LLVM_LIBS)
2902    AC_SUBST(LLVM_LDFLAGS)
2903    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2904 fi
2905
2906 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2907 if test "x$enable_loadedllvm" = "xyes"; then
2908    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2909 fi
2910 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2911
2912 if test "x$enable_llvm" = "xyes"; then
2913    enable_llvm_runtime=yes
2914 fi
2915 if test "x$enable_llvm_runtime" = "xyes"; then
2916    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2917 fi
2918 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2919
2920 TARGET="unknown"
2921 ACCESS_UNALIGNED="yes"
2922
2923 LIBC="libc.so.6"
2924 INTL="libc.so.6"
2925 SQLITE="libsqlite.so.0"
2926 SQLITE3="libsqlite3.so.0"
2927 X11="libX11.so"
2928 GDKX11="libgdk-x11-2.0.so.0"
2929 GTKX11="libgtk-x11-2.0.so.0"
2930 XINERAMA="libXinerama.so.1"
2931
2932 sizeof_register="SIZEOF_VOID_P"
2933
2934 jit_wanted=true
2935 boehm_supported=true
2936 BTLS_SUPPORTED=no
2937 BTLS_PLATFORM=
2938 case "$host" in
2939         mips*)
2940                 TARGET=MIPS;
2941                 arch_target=mips;
2942                 with_tls=pthread;
2943                 ACCESS_UNALIGNED="no"
2944
2945                 AC_MSG_CHECKING(for mips n32)
2946                 AC_TRY_COMPILE([],[
2947                 #if _MIPS_SIM != _ABIN32
2948                 #error Not mips n32
2949                 #endif
2950                 return 0;
2951                 ],[
2952                 AC_MSG_RESULT(yes)
2953                 sizeof_register=8
2954                 ],[
2955                 AC_MSG_RESULT(no)
2956                 ])
2957                 ;;
2958         i*86-*-*)
2959                 TARGET=X86;
2960                 arch_target=x86;
2961                 case $host_os in
2962                   solaris*)
2963                         LIBC="libc.so"
2964                         INTL="libintl.so"
2965                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2966                                 TARGET=AMD64
2967                                 arch_target=amd64
2968                         fi
2969
2970                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2971                         # int astruct __attribute__ ((visibility ("hidden")));
2972                         # void foo ()
2973                         # {
2974                         #       void *p = &astruct;
2975                         # }
2976                         # gcc -fPIC --shared -o libfoo.so foo.c
2977                         # yields:
2978                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2979                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2980                         have_visibility_hidden=no
2981                         ;;
2982                   mingw*|cygwin*)
2983                         have_visibility_hidden=no
2984                         ;;
2985                   haiku*)
2986                         LIBC=libroot.so
2987                         ;;
2988                   linux*)
2989                         AOT_SUPPORTED="yes"
2990                         BTLS_SUPPORTED=yes
2991                         BTLS_PLATFORM=i386
2992                         ;;
2993                   darwin*)
2994                         AOT_SUPPORTED="yes"
2995                         BTLS_SUPPORTED=yes
2996                         BTLS_PLATFORM=i386
2997                         ;;
2998                   openbsd*|freebsd*|kfreebsd-gnu*)
2999                         ;;
3000                 esac
3001                 ;;
3002         x86_64-*-* | amd64-*-*)
3003                 TARGET=AMD64;
3004                 arch_target=amd64;
3005                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3006                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3007                         sizeof_register=8
3008                 fi
3009                 case $host_os in
3010                   linux*)
3011                         AOT_SUPPORTED="yes"
3012                         BTLS_SUPPORTED=yes
3013                         BTLS_PLATFORM=x86_64
3014                         ;;
3015                   darwin*)
3016                         AOT_SUPPORTED="yes"
3017                         BTLS_SUPPORTED=yes
3018                         BTLS_PLATFORM=x86_64
3019                         ;;
3020                   openbsd*|freebsd*|kfreebsd-gnu*)
3021                         ;;
3022                   mingw*)
3023                         ;;
3024                 esac
3025                 case "$host" in
3026                         x86_64-*-nacl*)
3027                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3028                                 sizeof_register=8
3029                                 ;;
3030                 esac
3031                 ;;
3032         ia64-*-*)
3033                 TARGET=IA64
3034                 arch_target=ia64
3035                 ACCESS_UNALIGNED="no"
3036                 LIBC="libc.so.6.1"
3037                 INTL="libc.so.6.1"
3038                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3039                 libmono_ldflags="-lunwind"
3040                 ;;
3041         sparc*-*-*)
3042                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3043                    TARGET=SPARC64
3044                 else
3045                         TARGET=SPARC
3046                 fi
3047                 arch_target=sparc;
3048                 ACCESS_UNALIGNED="no"
3049                 case $host_os in
3050                   linux*) ;;
3051                   *)
3052                         LIBC="libc.so"
3053                         INTL="libintl.so"
3054                 esac
3055                 if test x"$GCC" = xyes; then
3056                         # We don't support v8 cpus
3057                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3058                 fi
3059                 if test x"$AR" = xfalse; then
3060                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3061                 fi
3062                 ;;
3063         *-mingw*|*-*-cygwin*)
3064                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3065                 have_visibility_hidden=no
3066                 INTL="intl"
3067                 ;;
3068         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3069         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3070                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3071                         TARGET=POWERPC64;
3072                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3073                         CFLAGS="$CFLAGS -mminimal-toc"
3074                 else
3075                         TARGET=POWERPC;
3076                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3077                 fi
3078                 arch_target=ppc;
3079                 case $host_os in
3080                   linux*|darwin*)
3081                         ;;
3082                 esac
3083                 ;;
3084         armv7k-*-darwin*)
3085                 TARGET=ARM;
3086                 TARGET_SYS=WATCHOS
3087                 arch_target=arm;
3088                 arm_fpu=VFP_HARD
3089                 ACCESS_UNALIGNED="no"
3090                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3091                 ;;
3092
3093         arm*-darwin*)
3094                 TARGET=ARM;
3095                 arch_target=arm;
3096                 ACCESS_UNALIGNED="no"
3097                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3098                 ;;
3099         arm*-linux*)
3100                 TARGET=ARM;
3101                 arch_target=arm;
3102                 ACCESS_UNALIGNED="no"
3103                 AOT_SUPPORTED="yes"
3104                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3105                 ;;
3106         arm*-netbsd*-eabi*)
3107                 TARGET=ARM;
3108                 arch_target=arm;
3109                 ACCESS_UNALIGNED="no"
3110                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3111                 ;;
3112 # TODO: make proper support for NaCl host.
3113 #        arm*-*nacl)
3114 #               TARGET=ARM;
3115 #               arch_target=arm;
3116 #               ACCESS_UNALIGNED="no"
3117 #               AOT_SUPPORTED="no"
3118 #               ;;
3119         aarch64-*)
3120                 # https://lkml.org/lkml/2012/7/15/133
3121                 TARGET=ARM64
3122                 arch_target=arm64
3123                 boehm_supported=false
3124                 AOT_SUPPORTED="yes"
3125                 ;;
3126         s390x-*-linux*)
3127                 TARGET=S390X;
3128                 arch_target=s390x;
3129                 ACCESS_UNALIGNED="yes"
3130                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3131                 ;;
3132 esac
3133
3134 HOST=$TARGET
3135
3136 if test "x$host" != "x$target"; then
3137    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3138    enable_mcs_build=no
3139    BTLS_SUPPORTED=no
3140    case "$target" in
3141    arm*-darwin*)
3142                 TARGET=ARM;
3143                 arch_target=arm;
3144                 ACCESS_UNALIGNED="no"
3145                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3146                 # Can't use tls, since it depends on the runtime detection of tls offsets
3147                 # in mono-compiler.h
3148                 with_tls=pthread
3149                 case "$target" in
3150                 armv7k-*)
3151                         arm_fpu=VFP_HARD
3152                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3153                         ;;
3154                 esac
3155                 ;;
3156    powerpc64-ps3-linux-gnu)
3157                 TARGET=POWERPC64
3158                 arch_target=powerpc64
3159                 AC_DEFINE(TARGET_PS3, 1, [...])
3160                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3161                 # uses this define
3162                 AC_DEFINE(__mono_ppc64__, 1, [...])
3163                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3164                 sizeof_register=8
3165                 target_byte_order=G_BIG_ENDIAN
3166                 ;;
3167    powerpc64-xbox360-linux-gnu)
3168                 TARGET=POWERPC64
3169                 arch_target=powerpc64
3170                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3171                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3172                 # uses this define
3173                 sizeof_register=8
3174                 target_byte_order=G_BIG_ENDIAN
3175                 ;;
3176    x86_64-*-nacl)
3177                 TARGET=AMD64
3178                 arch_target=amd64
3179                 AC_DEFINE(TARGET_AMD64, 1, [...])
3180                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3181                 sizeof_register=8
3182                 ;;
3183 # TODO: make proper support for NaCl target.
3184 #   arm*-*nacl)
3185 #               TARGET=ARM
3186 #               arch_target=arm
3187 #               AC_DEFINE(TARGET_ARM, 1, [...])
3188 #               ACCESS_UNALIGNED="no"
3189 #               sizeof_register=4
3190 #               CPPFLAGS="$CPPFLAGS \
3191 #                    -D__ARM_EABI__ \
3192 #                    -D__arm__ \
3193 #                    -D__portable_native_client__ \
3194 #                    -Dtimezone=_timezone \
3195 #                    -DDISABLE_SOCKETS \
3196 #                    -DDISABLE_ATTACH \
3197 #                    -DUSE_NEWLIB"
3198                 # Can't use tls, since it depends on the runtime detection of tls offsets
3199                 # in mono-compiler.h
3200 #               with_tls=pthread
3201 #               ;;
3202    i686-*-nacl)
3203                 TARGET=X86
3204                 arch_target=x86
3205                 AC_DEFINE(TARGET_X86, 1, [...])
3206                 sizeof_register=4
3207                 ;;
3208    arm*-linux-*)
3209                 TARGET=ARM;
3210                 arch_target=arm;
3211                 AC_DEFINE(TARGET_ARM, 1, [...])
3212                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3213                 ACCESS_UNALIGNED="no"
3214                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3215                 # Can't use tls, since it depends on the runtime detection of tls offsets
3216                 # in mono-compiler.h
3217                 with_tls=pthread
3218                 target_mach=no
3219                 case "$target" in
3220                 armv7l-unknown-linux-gnueabi*)
3221                         # TEGRA
3222                         CPPFLAGS="$CPPFLAGS"
3223                         ;;
3224                 armv5-*-linux-androideabi*)
3225                         CPPFLAGS="$CPPFLAGS"
3226                         ;;
3227                 esac
3228                 ;;
3229    arm*-netbsd*-eabi*)
3230                 TARGET=ARM;
3231                 arch_target=arm;
3232                 AC_DEFINE(TARGET_ARM, 1, [...])
3233                 ACCESS_UNALIGNED="no"
3234                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3235                 # Can't use tls, since it depends on the runtime detection of tls offsets
3236                 # in mono-compiler.h
3237                 with_tls=pthread
3238                 target_mach=no
3239                 ;;
3240    i686*-linux-*)
3241                 TARGET=X86;
3242                 arch_target=x86;
3243                 AC_DEFINE(TARGET_X86, 1, [...])
3244                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3245                 CPPFLAGS="$CPPFLAGS"
3246                 # Can't use tls, since it depends on the runtime detection of tls offsets
3247                 # in mono-compiler.h
3248                 with_tls=pthread
3249                 target_mach=no
3250                 ;;
3251    x86_64*-linux-*)
3252                 TARGET=AMD64;
3253                 arch_target=amd64;
3254                 AC_DEFINE(TARGET_AMD64, 1, [...])
3255                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3256                 CPPFLAGS="$CPPFLAGS"
3257                 # Can't use tls, since it depends on the runtime detection of tls offsets
3258                 # in mono-compiler.h
3259                 with_tls=pthread
3260                 target_mach=no
3261                 ;;
3262    x86_64-ps4-freebsd)
3263                 TARGET=AMD64;
3264                 arch_target=amd64;
3265                 AC_DEFINE(TARGET_AMD64, 1, [...])
3266                 AC_DEFINE(TARGET_PS4, 1, [...])
3267                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3268                 CPPFLAGS="$CPPFLAGS"
3269                 # Can't use tls, since it depends on the runtime detection of tls offsets
3270                 # in mono-compiler.h
3271                 with_tls=pthread
3272                 target_mach=no
3273                 target_win32=no
3274                 ;;
3275    aarch64*-linux-*)
3276                 TARGET=ARM64;
3277                 arch_target=arm64;
3278                 AC_DEFINE(TARGET_ARM64, 1, [...])
3279                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3280                 CPPFLAGS="$CPPFLAGS"
3281                 # Can't use tls, since it depends on the runtime detection of tls offsets
3282                 # in mono-compiler.h
3283                 with_tls=pthread
3284                 target_mach=no
3285                 ;;
3286         aarch64-*)
3287                 TARGET=ARM64
3288                 ;;
3289         *)
3290                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3291         esac
3292 fi
3293
3294 case "$TARGET" in
3295 X86)
3296         AC_DEFINE(TARGET_X86, 1, [...])
3297         ;;
3298 AMD64)
3299         AC_DEFINE(TARGET_AMD64, 1, [...])
3300         ;;
3301 ARM)
3302         AC_DEFINE(TARGET_ARM, 1, [...])
3303         ;;
3304 ARM64)
3305         AC_DEFINE(TARGET_ARM64, 1, [...])
3306         ;;
3307 POWERPC)
3308         AC_DEFINE(TARGET_POWERPC, 1, [...])
3309         ;;
3310 POWERPC64)
3311         AC_DEFINE(TARGET_POWERPC, 1, [...])
3312         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3313         ;;
3314 S390X)
3315         AC_DEFINE(TARGET_S390X, 1, [...])
3316         ;;
3317 MIPS)
3318         AC_DEFINE(TARGET_MIPS, 1, [...])
3319         ;;
3320 IA64)
3321         AC_DEFINE(TARGET_IA64, 1, [...])
3322         ;;
3323 SPARC)
3324         AC_DEFINE(TARGET_SPARC, 1, [...])
3325         ;;
3326 SPARC64)
3327         AC_DEFINE(TARGET_SPARC64, 1, [...])
3328         ;;
3329 esac
3330
3331 case "$HOST" in
3332 X86)
3333         AC_DEFINE(HOST_X86, 1, [...])
3334         ;;
3335 AMD64)
3336         AC_DEFINE(HOST_AMD64, 1, [...])
3337         ;;
3338 ARM)
3339         AC_DEFINE(HOST_ARM, 1, [...])
3340         ;;
3341 ARM64)
3342         AC_DEFINE(HOST_ARM64, 1, [...])
3343         ;;
3344 POWERPC)
3345         AC_DEFINE(HOST_POWERPC, 1, [...])
3346         ;;
3347 POWERPC64)
3348         AC_DEFINE(HOST_POWERPC, 1, [...])
3349         AC_DEFINE(HOST_POWERPC64, 1, [...])
3350         ;;
3351 S390X)
3352         AC_DEFINE(HOST_S390X, 1, [...])
3353         ;;
3354 MIPS)
3355         AC_DEFINE(HOST_MIPS, 1, [...])
3356         ;;
3357 IA64)
3358         AC_DEFINE(HOST_IA64, 1, [...])
3359         ;;
3360 SPARC)
3361         AC_DEFINE(HOST_SPARC, 1, [...])
3362         ;;
3363 SPARC64)
3364         AC_DEFINE(HOST_SPARC64, 1, [...])
3365         ;;
3366 esac
3367
3368
3369
3370 dnl *************
3371 dnl *** VTUNE ***
3372 dnl *************
3373
3374 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3375 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3376
3377 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3378
3379 if test "x$enable_vtune" = "xyes"; then
3380         if test "x$with_vtune" = "x"; then
3381                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3382         else
3383                 VTUNE_PATH=$with_vtune
3384         fi
3385         VTUNE_INCLUDE=$VTUNE_PATH/include
3386         case "$TARGET" in
3387         X86)
3388                 VTUNE_LIB=$VTUNE_PATH/lib32
3389                 ;;
3390         AMD64)
3391                 VTUNE_LIB=$VTUNE_PATH/lib64
3392                 ;;
3393         *)
3394                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3395                 ;;
3396         esac
3397         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3398                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3399         fi
3400         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3401                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3402         fi
3403
3404         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3405         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3406
3407         AC_SUBST(VTUNE_LIBS)
3408         AC_SUBST(VTUNE_CFLAGS)
3409 fi
3410 dnl Use GCC atomic ops if they work on the target.
3411 if test x$GCC = "xyes"; then
3412         case $TARGET in
3413         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3414                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3415                 ;;
3416         esac
3417 fi
3418
3419 if test "x$target_mach" = "xyes"; then
3420
3421    if test "x$TARGET_SYS" = "xWATCHOS"; then
3422           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3423           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3424           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3425           BTLS_SUPPORTED=no
3426    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3427           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3428           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3429           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3430           BTLS_SUPPORTED=no
3431    else
3432        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3433        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3434        #error fail this for ios
3435        #endif
3436        return 0;
3437        ], [
3438                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3439           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3440           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3441        ], [
3442           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3443           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3444           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3445           BTLS_SUPPORTED=no
3446        ])
3447         fi
3448    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3449 fi
3450
3451 if test "x$sizeof_register" = "x4"; then
3452    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3453 elif test "x$sizeof_register" = "x8"; then
3454    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3455 else
3456    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3457 fi
3458
3459 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3460    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3461 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3462    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3463 else
3464    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3465 fi
3466
3467 if test "x$have_visibility_hidden" = "xyes"; then
3468    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3469 fi
3470
3471 if test "x$have_deprecated" = "xyes"; then
3472    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3473 fi
3474
3475 dnl
3476 dnl Simple Generational checks (sgen)
3477 dnl
3478 SGEN_DEFINES=
3479 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3480 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3481 if test x$buildsgen = xyes; then
3482    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3483    SGEN_DEFINES="-DHAVE_SGEN_GC"
3484
3485         conc_gc_msg=""
3486    if test x$with_sgen_default_concurrent != xno; then
3487        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3488            conc_gc_msg=" (concurrent by default)"
3489    fi
3490
3491    if test "x$gc_msg" = "x"; then
3492       gc_msg="sgen$conc_gc_msg"
3493    else
3494       gc_msg="sgen$conc_gc_msg and $gc_msg"
3495    fi
3496 fi
3497 AC_SUBST(SGEN_DEFINES)
3498 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3499
3500 jit_status="Building and using the JIT"
3501
3502 libsuffix=".so"
3503
3504 case "$host" in
3505      *-*-darwin*)
3506         libsuffix=".dylib"
3507         LIBC="libc.dylib"
3508         INTL="libintl.dylib"
3509         SQLITE="libsqlite.0.dylib"
3510         SQLITE3="libsqlite3.0.dylib"
3511         X11="libX11.dylib"
3512         GDKX11="libgdk-x11-2.0.dylib"
3513         GTKX11="libgtk-x11-2.0.dylib"
3514         ;;
3515      *-*-*netbsd*)
3516         LIBC="libc.so"
3517         INTL="libintl.so"
3518         SQLITE="libsqlite.so"
3519         SQLITE3="libsqlite3.so"
3520         ;;
3521      *-*-kfreebsd*-gnu)
3522         LIBC="libc.so.0.1"
3523         INTL="libc.so.0.1"
3524         X11="libX11.so.6"
3525         ;;
3526     *-*-*freebsd*)
3527         LIBC="libc.so.7"
3528         INTL="libintl.so"
3529         SQLITE="libsqlite.so"
3530         SQLITE3="libsqlite3.so"
3531         ;;
3532     *-*-*openbsd*)
3533         LIBC="libc.so"
3534         INTL="libintl.so"
3535         SQLITE="libsqlite.so"
3536         SQLITE3="libsqlite3.so"
3537         ;;
3538     *-*-*linux*)
3539         AC_PATH_X
3540         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3541         AC_MSG_CHECKING(for the soname of libX11.so)
3542         for i in $x_libraries $dlsearch_path; do
3543                 for r in 4 5 6; do
3544                         if test -f $i/libX11.so.$r; then
3545                                 X11=libX11.so.$r
3546                                 AC_MSG_RESULT($X11)
3547                         fi
3548                 done
3549         done
3550
3551         if test "x$X11" = "xlibX11.so"; then
3552                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3553                 X11=libX11.so.6
3554         fi
3555         ;;
3556 esac
3557
3558
3559 AC_SUBST(libsuffix)
3560
3561 AC_ARG_WITH([libgdiplus],
3562         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3563         [], [with_libgdiplus=installed])
3564
3565 # default install location
3566 libgdiplus_install_loc=libgdiplus${libsuffix}
3567 case "$host" in
3568     *-*-*linux*)
3569     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3570     ;;
3571 esac
3572
3573 case $with_libgdiplus in
3574     no|installed)
3575     libgdiplus_loc=
3576     ;;
3577
3578     yes|sibling)
3579     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3580     ;;
3581
3582     /*) # absolute path, assume it is an install location
3583     libgdiplus_loc=$with_libgdiplus
3584     libgdiplus_install_loc=$with_libgdiplus
3585     ;;
3586
3587     *)
3588     libgdiplus_loc=`pwd`/$with_libgdiplus
3589     ;;
3590 esac
3591 AC_SUBST([libgdiplus_loc])
3592 AC_SUBST([libgdiplus_install_loc])
3593
3594 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3595 if test "x$icall_symbol_map" = "xyes"; then
3596    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3597 fi
3598
3599 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3600 if test "x$icall_export" = "xyes"; then
3601    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3602 fi
3603
3604 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3605 if test "x$icall_tables" = "xno"; then
3606    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3607 fi
3608
3609 if test "x$with_tls" = "x__thread"; then
3610         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3611         # Pass the information to libgc
3612         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3613         AC_MSG_CHECKING(if the tls_model attribute is supported)
3614         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3615                 ], [
3616                         AC_MSG_RESULT(yes)
3617                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3618                 ], [
3619                         AC_MSG_RESULT(no)
3620         ])
3621 fi
3622
3623 if test ${TARGET} = ARM; then
3624         dnl ******************************************
3625         dnl *** Check to see what FPU is available ***
3626         dnl ******************************************
3627         AC_MSG_CHECKING(which FPU to use)
3628
3629         #
3630         # This is a bit tricky:
3631         #
3632         # if (__ARM_PCS_VFP) {
3633         #       /* mfloat-abi=hard == VFP with hard ABI */
3634         # } elif (!__SOFTFP__) {
3635         #       /* mfloat-abi=softfp == VFP with soft ABI */
3636         # } else {
3637         #       /* mfloat-abi=soft == no VFP */
3638         # }
3639         #
3640         # The exception is iOS (w/ GCC) where none of the above
3641         # are defined (but iOS always uses the 'softfp' ABI).
3642         #
3643         # No support for FPA.
3644         #
3645
3646         fpu=NONE
3647
3648         # iOS GCC always uses the 'softfp' ABI.
3649         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3650                 fpu=VFP
3651         fi
3652
3653         # Are we using the 'hard' ABI?
3654         if test x$fpu = xNONE; then
3655                 AC_TRY_COMPILE([], [
3656                         #ifndef __ARM_PCS_VFP
3657                         #error "Float ABI is not 'hard'"
3658                         #endif
3659                         return 0;
3660                 ], [
3661                         fpu=VFP_HARD
3662                 ], [
3663                         fpu=NONE
3664                 ])
3665         fi
3666
3667         # No 'hard' ABI. 'soft' or 'softfp'?
3668         if test x$fpu = xNONE; then
3669                 AC_TRY_COMPILE([], [
3670                         #ifdef __SOFTFP__
3671                         #error "Float ABI is not 'softfp'"
3672                         #endif
3673                         return 0;
3674                 ], [
3675                         fpu=VFP
3676                 ], [
3677                         fpu=NONE
3678                 ])
3679         fi
3680
3681         if test x$arm_fpu != x; then
3682            fpu=$arm_fpu
3683         fi
3684
3685         AC_MSG_RESULT($fpu)
3686         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3687         unset fpu
3688
3689         dnl *********************************************
3690         dnl *** Check which ARM version(s) we can use ***
3691         dnl *********************************************
3692         AC_MSG_CHECKING(which ARM version to use)
3693
3694         AC_TRY_COMPILE([], [
3695                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3696                 #error Not on ARM v5.
3697                 #endif
3698                 return 0;
3699         ], [
3700                 arm_v5=yes
3701
3702                 arm_ver=ARMv5
3703         ], [])
3704
3705         AC_TRY_COMPILE([], [
3706                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3707                 #error Not on ARM v6.
3708                 #endif
3709                 return 0;
3710         ], [
3711                 arm_v5=yes
3712                 arm_v6=yes
3713
3714                 arm_ver=ARMv6
3715         ], [])
3716
3717         AC_TRY_COMPILE([], [
3718                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3719                 #error Not on ARM v7.
3720                 #endif
3721                 return 0;
3722         ], [
3723                 arm_v5=yes
3724                 arm_v6=yes
3725                 arm_v7=yes
3726
3727                 arm_ver=ARMv7
3728         ], [])
3729
3730         AC_MSG_RESULT($arm_ver)
3731
3732         if test x$arm_v5 = xyes; then
3733                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3734                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3735         fi
3736
3737         if test x$arm_v6 = xyes; then
3738                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3739                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3740         fi
3741
3742         if test x$arm_v7 = xyes; then
3743                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3744                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3745         fi
3746 fi
3747
3748 if test ${TARGET} = unknown; then
3749         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3750         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3751 fi
3752
3753 if test "x$platform_android" = "xyes"; then
3754         case "x${TARGET}" in
3755         xARM)
3756                 case "x$arm_ver" in
3757                 xARMv5)
3758                         BTLS_SUPPORTED=yes
3759                         BTLS_PLATFORM=android-armv5
3760                         ;;
3761                 xARMv6)
3762                         BTLS_SUPPORTED=yes
3763                         BTLS_PLATFORM=android-armv6
3764                         ;;
3765                 xARMv7)
3766                         BTLS_SUPPORTED=yes
3767                         BTLS_PLATFORM=android-armv7
3768                         ;;
3769                 *)
3770                         BTLS_SUPPORTED=no
3771                         ;;
3772                 esac
3773                 ;;
3774         xARM64)
3775                 BTLS_SUPPORTED=yes
3776                 BTLS_PLATFORM=android-v8a
3777                 ;;
3778         xX86)
3779                 BTLS_SUPPORTED=yes
3780                 BTLS_PLATFORM=android-x86
3781                 ;;
3782         xAMD64)
3783                 BTLS_SUPPORTED=yes
3784                 BTLS_PLATFORM=android-x64
3785                 ;;
3786         *)
3787                 BTLS_SUPPORTED=no
3788                 ;;
3789         esac
3790 fi
3791
3792 if test ${ACCESS_UNALIGNED} = no; then
3793         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3794 fi
3795
3796 case "x$libgc" in
3797         xincluded)
3798                 # Pass CPPFLAGS to libgc configure
3799                 # We should use a separate variable for this to avoid passing useless and
3800                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3801                 # This should be executed late so we pick up the final version of CPPFLAGS
3802                 # The problem with this approach, is that during a reconfigure, the main
3803                 # configure scripts gets invoked with these arguments, so we use separate
3804                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3805                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3806                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3807                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3808                 fi
3809                 # Don't pass -finstrument-for-thread-suspension in,
3810                 # if these are instrumented it will be very bad news
3811                 # (infinite recursion, undefined parking behavior, etc)
3812                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3813                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3814                 if test "x$support_boehm" = "xyes"; then
3815                         AC_CONFIG_SUBDIRS(libgc)
3816                 fi
3817                 ;;
3818 esac
3819
3820 MALLOC_MEMPOOLS=no
3821 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3822         if test x$with_malloc_mempools = xyes; then
3823                 MALLOC_MEMPOOLS=yes
3824                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3825         fi
3826 ])
3827
3828
3829 DISABLE_MCS_DOCS=default
3830 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3831         if test x$with_mcs_docs != xyes; then
3832                 DISABLE_MCS_DOCS=yes
3833         fi
3834 ])
3835 if test -n "$INSTALL_4_x_TRUE"; then :
3836         DISABLE_MCS_DOCS=yes
3837 fi
3838 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3839    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3840 fi
3841
3842 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3843         if test x$with_lazy_gc_thread_creation != xno ; then
3844                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3845         fi
3846 ], [with_lazy_gc_thread_creation=no])
3847
3848 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])
3849
3850 if test x$with_cooperative_gc = xdefault; then
3851         with_cooperative_gc=$with_cooperative_gc_default
3852 fi
3853
3854 if test x$with_cooperative_gc != xno; then
3855         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3856 fi
3857
3858 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3859
3860 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],[
3861
3862         if test x$enable_checked_build != x ; then
3863                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3864         fi
3865         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3866                 eval "mono_checked_build_test_enable_$feature='yes'"
3867         done
3868
3869         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3870                 eval "mono_checked_build_test_enable_gc='yes'"
3871                 eval "mono_checked_build_test_enable_metadata='yes'"
3872                 eval "mono_checked_build_test_enable_thread='yes'"
3873         fi
3874
3875         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3876                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3877         fi
3878
3879         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3880                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3881         fi
3882
3883         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3884                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3885         fi
3886
3887 ], [])
3888
3889 AC_CHECK_HEADER([malloc.h],
3890                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3891                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3892
3893 if test x"$GCC" = xyes; then
3894         # Implicit function declarations are not 64 bit safe
3895         # Do this late, since this causes lots of configure tests to fail
3896         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3897         # jay has a lot of implicit declarations
3898         JAY_CFLAGS="-Wno-implicit-function-declaration"
3899 fi
3900
3901 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3902 # instead of libmono-static.a
3903 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3904    LIBMONO_LA=libmini-static.la
3905 else
3906    if test x$buildsgen = xyes; then
3907       LIBMONO_LA=libmonosgen-$API_VER.la
3908    else
3909       LIBMONO_LA=libmonoboehm-$API_VER.la
3910    fi
3911 fi
3912 AC_SUBST(LIBMONO_LA)
3913
3914 dnl **************
3915 dnl ***  Btls  ***
3916 dnl **************
3917
3918 AC_ARG_ENABLE(btls, [  --disable-blts             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3919 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3920
3921 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3922
3923 btls_android=no
3924 if test "x$enable_btls" = "xyes"; then
3925         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3926         if test "x$CMAKE" = "xno"; then
3927                 AC_MSG_ERROR("cmake not found")
3928         fi
3929
3930         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3931         AC_SUBST(BTLS_ROOT)
3932
3933         btls_arch=
3934         btls_cflags=
3935         BTLS_CMAKE_ARGS=
3936
3937         case "$BTLS_PLATFORM" in
3938         i386)
3939                 btls_arch=i386
3940                 btls_cflags="-m32"
3941                 case $host_os in
3942                         darwin*)
3943                                 btls_cflags="$btls_cflags -arch i386"
3944                 esac
3945                 ;;
3946         x86_64)
3947                 btls_arch=x86_64
3948                 ;;
3949         android-armv5)
3950                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3951                 ;;
3952         android-armv6)
3953                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3954                 ;;
3955         android-armv7)
3956                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3957                 ;;
3958         android-v8a)
3959                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3960                 ;;
3961         android-x86)
3962                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3963                 ;;
3964         android-x64)
3965                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3966                 ;;
3967         *)
3968                 AC_MSG_ERROR(Invalid BTLS platform)
3969         esac
3970
3971         if test "x$platform_android" = "xyes"; then
3972                 btls_android=yes
3973                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
3974                 if test "x$with_btls_android_ndk" != "x"; then
3975                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
3976                 fi
3977         fi
3978
3979         if test "x$btls_arch" != "x"; then
3980                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
3981         fi
3982
3983         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
3984         AC_SUBST(BTLS_ARCH)
3985         AC_SUBST(BTLS_CFLAGS)
3986         AC_SUBST(BTLS_PLATFORM)
3987         AC_SUBST(BTLS_CMAKE_ARGS)
3988
3989         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
3990 else
3991         enable_btls=no
3992 fi
3993
3994 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
3995
3996 if test x$DISABLE_MCS_DOCS = xyes; then
3997    docs_dir=""
3998 else
3999    docs_dir=docs
4000 fi
4001 AC_SUBST(docs_dir)
4002
4003 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4004 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4005
4006 libmono_ldflags="$libmono_ldflags $LIBS"
4007
4008 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4009 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4010 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4011 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4012 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4013 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4014 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4015 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4016 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4017 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4018 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4019 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4020 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4021 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4022 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4023 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4024 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4025 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4026
4027 AC_SUBST(LIBC)
4028 AC_SUBST(INTL)
4029 AC_SUBST(SQLITE)
4030 AC_SUBST(SQLITE3)
4031 AC_SUBST(X11)
4032 AC_SUBST(GDKX11)
4033 AC_SUBST(GTKX11)
4034 AC_SUBST(XINERAMA)
4035 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4036 AC_SUBST(arch_target)
4037 AC_SUBST(CFLAGS)
4038 AC_SUBST(CPPFLAGS)
4039 AC_SUBST(LDFLAGS)
4040
4041 #This must always be defined when building the runtime
4042 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4043
4044 mono_build_root=`pwd`
4045 AC_SUBST(mono_build_root)
4046
4047 mono_runtime=mono/mini/mono
4048 AC_SUBST(mono_runtime)
4049
4050 mono_cfg_root=$mono_build_root/runtime
4051 if test x$host_win32 = xyes; then
4052   if test "x$cross_compiling" = "xno"; then
4053     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4054   else
4055     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4056   fi
4057 else
4058   mono_cfg_dir=$mono_cfg_root/etc
4059 fi
4060 AC_SUBST(mono_cfg_dir)
4061
4062 AC_CONFIG_FILES([po/mcs/Makefile.in])
4063
4064 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4065 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4066
4067 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4068 [   depth=../../../..
4069     case $srcdir in
4070     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4071     .) reldir=$depth ;;
4072     *) reldir=$depth/$srcdir ;;
4073     esac
4074     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4075     cd runtime/etc/mono/1.0
4076     rm -f machine.config
4077     $LN_S $reldir/data/net_1_1/machine.config machine.config
4078     cd $depth
4079 ],[LN_S='$LN_S'])
4080
4081 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4082 [   depth=../../../..
4083     case $srcdir in
4084     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4085     .) reldir=$depth ;;
4086     *) reldir=$depth/$srcdir ;;
4087     esac
4088     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4089     cd runtime/etc/mono/2.0
4090     rm -f machine.config
4091     $LN_S $reldir/data/net_2_0/machine.config machine.config
4092     cd $depth
4093 ],[LN_S='$LN_S'])
4094
4095 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4096 [   depth=../../../..
4097     case $srcdir in
4098     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4099     .) reldir=$depth ;;
4100     *) reldir=$depth/$srcdir ;;
4101     esac
4102     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4103     cd runtime/etc/mono/2.0
4104     rm -f web.config
4105     $LN_S $reldir/data/net_2_0/web.config web.config
4106     cd $depth
4107 ],[LN_S='$LN_S'])
4108
4109 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4110 [   depth=../../..
4111     case $srcdir in
4112     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4113     .) reldir=$depth ;;
4114     *) reldir=$depth/$srcdir ;;
4115     esac
4116     $ac_aux_dir/install-sh -d runtime/etc/mono/
4117     cd runtime/etc/mono/
4118     rm -f browscap.ini
4119     $LN_S $reldir/data/browscap.ini browscap.ini
4120     cd $depth
4121 ],[LN_S='$LN_S'])
4122
4123 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4124 [   depth=../../../../..
4125     case $srcdir in
4126     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4127     .) reldir=$depth ;;
4128     *) reldir=$depth/$srcdir ;;
4129     esac
4130     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4131     cd runtime/etc/mono/2.0/Browsers
4132     rm -f Compat.browser
4133     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4134     cd $depth
4135 ],[LN_S='$LN_S'])
4136
4137 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4138 [   depth=../../../../..
4139     case $srcdir in
4140     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4141     .) reldir=$depth ;;
4142     *) reldir=$depth/$srcdir ;;
4143     esac
4144     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4145     cd runtime/etc/mono/4.0/Browsers
4146     rm -f Compat.browser
4147     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4148     cd $depth
4149 ],[LN_S='$LN_S'])
4150
4151 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4152 [   depth=../../../../..
4153     case $srcdir in
4154     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4155     .) reldir=$depth ;;
4156     *) reldir=$depth/$srcdir ;;
4157     esac
4158     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4159     cd runtime/etc/mono/4.5/Browsers
4160     rm -f Compat.browser
4161     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4162     cd $depth
4163 ],[LN_S='$LN_S'])
4164
4165 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4166 [   depth=../../../..
4167     case $srcdir in
4168     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4169     .) reldir=$depth ;;
4170     *) reldir=$depth/$srcdir ;;
4171     esac
4172     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4173     cd runtime/etc/mono/4.0
4174     rm -f machine.config
4175     $LN_S $reldir/data/net_4_0/machine.config machine.config
4176     cd $depth
4177 ],[LN_S='$LN_S'])
4178
4179 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4180 [   depth=../../../..
4181     case $srcdir in
4182     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4183     .) reldir=$depth ;;
4184     *) reldir=$depth/$srcdir ;;
4185     esac
4186     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4187     cd runtime/etc/mono/4.0
4188     rm -f web.config
4189     $LN_S $reldir/data/net_4_0/web.config web.config
4190     cd $depth
4191 ],[LN_S='$LN_S'])
4192
4193 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4194 [   depth=../../../..
4195     case $srcdir in
4196     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4197     .) reldir=$depth ;;
4198     *) reldir=$depth/$srcdir ;;
4199     esac
4200     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4201     cd runtime/etc/mono/4.5
4202     rm -f machine.config
4203     $LN_S $reldir/data/net_4_5/machine.config machine.config
4204     cd $depth
4205 ],[LN_S='$LN_S'])
4206
4207 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4208 [   depth=../../../..
4209     case $srcdir in
4210     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4211     .) reldir=$depth ;;
4212     *) reldir=$depth/$srcdir ;;
4213     esac
4214     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4215     cd runtime/etc/mono/4.5
4216     rm -f web.config
4217     $LN_S $reldir/data/net_4_5/web.config web.config
4218     cd $depth
4219 ],[LN_S='$LN_S'])
4220
4221 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])
4222 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])
4223
4224 AC_OUTPUT([
4225 Makefile
4226 mono-uninstalled.pc
4227 acceptance-tests/Makefile
4228 llvm/Makefile
4229 scripts/mono-find-provides
4230 scripts/mono-find-requires
4231 mono/Makefile
4232 mono/btls/Makefile
4233 mono/utils/Makefile
4234 mono/metadata/Makefile
4235 mono/dis/Makefile
4236 mono/cil/Makefile
4237 mono/arch/Makefile
4238 mono/arch/x86/Makefile
4239 mono/arch/amd64/Makefile
4240 mono/arch/ppc/Makefile
4241 mono/arch/sparc/Makefile
4242 mono/arch/s390x/Makefile
4243 mono/arch/arm/Makefile
4244 mono/arch/arm64/Makefile
4245 mono/arch/ia64/Makefile
4246 mono/arch/mips/Makefile
4247 mono/sgen/Makefile
4248 mono/tests/Makefile
4249 mono/tests/tests-config
4250 mono/tests/assemblyresolve/Makefile
4251 mono/tests/gc-descriptors/Makefile
4252 mono/unit-tests/Makefile
4253 mono/benchmark/Makefile
4254 mono/io-layer/Makefile
4255 mono/mini/Makefile
4256 mono/profiler/Makefile
4257 m4/Makefile
4258 ikvm-native/Makefile
4259 scripts/Makefile
4260 man/Makefile
4261 docs/Makefile
4262 data/Makefile
4263 data/net_2_0/Makefile
4264 data/net_4_0/Makefile
4265 data/net_4_5/Makefile
4266 data/net_2_0/Browsers/Makefile
4267 data/net_4_0/Browsers/Makefile
4268 data/net_4_5/Browsers/Makefile
4269 data/mint.pc
4270 data/mono-2.pc
4271 data/monosgen-2.pc
4272 data/mono.pc
4273 data/mono-cairo.pc
4274 data/mono-nunit.pc
4275 data/mono-options.pc
4276 data/mono-lineeditor.pc
4277 data/monodoc.pc
4278 data/dotnet.pc
4279 data/dotnet35.pc
4280 data/wcf.pc
4281 data/cecil.pc
4282 data/system.web.extensions_1.0.pc
4283 data/system.web.extensions.design_1.0.pc
4284 data/system.web.mvc.pc
4285 data/system.web.mvc2.pc
4286 data/system.web.mvc3.pc
4287 data/aspnetwebstack.pc
4288 data/reactive.pc
4289 samples/Makefile
4290 support/Makefile
4291 data/config
4292 tools/Makefile
4293 tools/locale-builder/Makefile
4294 tools/sgen/Makefile
4295 tools/monograph/Makefile
4296 tools/pedump/Makefile
4297 runtime/Makefile
4298 msvc/Makefile
4299 po/Makefile
4300 ])
4301
4302 # Update all submodules recursively to ensure everything is checked out
4303 $srcdir/scripts/update_submodules
4304
4305 if test x$host_win32 = xyes; then
4306    # Get rid of 'cyg' prefixes in library names
4307    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4308    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4309    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4310    # executable doesn't work...
4311    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4312 fi
4313
4314 if test x$host_darwin = xyes; then
4315    # This doesn't seem to be required and it slows down parallel builds
4316    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4317 fi
4318
4319 (
4320   case $prefix in
4321   NONE) prefix=$ac_default_prefix ;;
4322   esac
4323   case $exec_prefix in
4324   NONE) exec_prefix='${prefix}' ;;
4325   esac
4326
4327   #
4328   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4329   # any existing config.make.  This allows people to share the same source tree
4330   # with different build directories, one native and one cross
4331   #
4332   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4333
4334     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4335
4336     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4337     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4338     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4339     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4340     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4341     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4342     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4343     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4344
4345     case $INSTALL in
4346     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4347     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4348     esac
4349
4350     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4351
4352     export VERSION
4353     [myver=$($AWK 'BEGIN {
4354       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4355       if(length(vsplit [1]) > 4) {
4356         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4357       }
4358       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4359     }')]
4360
4361     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4362
4363     if test x$host_darwin = xyes; then
4364       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4365     fi
4366
4367     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4368       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4369     fi
4370
4371         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4372            enable_system_aot=yes
4373         fi
4374
4375     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4376       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4377     fi
4378
4379     if test x$DISABLE_MCS_DOCS = xyes; then
4380       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4381     fi
4382
4383     if test x$has_extension_module != xno; then
4384         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4385     fi
4386
4387     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4388
4389     if test "x$test_bcl_opt" = "xyes"; then
4390       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4391     fi
4392
4393     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4394       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4395       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4396     fi
4397
4398   fi
4399
4400 )
4401
4402 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4403
4404 btls_platform_string=
4405 if test x$enable_btls = xyes; then
4406         if test x$btls_android = xyes; then
4407                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4408         else
4409                 btls_platform_string=" ($BTLS_PLATFORM)"
4410         fi
4411 fi
4412
4413 echo "
4414         mcs source:    $mcsdir
4415
4416    Engine:
4417         Host:          $host
4418         Target:        $target
4419         GC:            $gc_msg
4420         TLS:           $with_tls
4421         SIGALTSTACK:   $with_sigaltstack
4422         Engine:        $jit_status
4423         BigArrays:     $enable_big_arrays
4424         DTrace:        $enable_dtrace
4425         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4426
4427    Libraries:
4428         .NET 4.x:        $with_profile4_x
4429         Xamarin.Android: $with_monodroid
4430         Xamarin.iOS:     $with_monotouch
4431         Xamarin.WatchOS: $with_monotouch_watch
4432         Xamarin.TVOS:    $with_monotouch_tv
4433         Xamarin.Mac:     $with_xammac
4434         mobile_static:   $with_mobile_static
4435         JNI support:     $jdk_headers_found
4436         libgdiplus:      $libgdiplus_msg
4437         zlib:            $zlib_msg
4438         BTLS:            $enable_btls$btls_platform_string
4439         $disabled
4440 "
4441 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4442    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4443 fi