configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [4.1.0],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 #
  40 # libgc defaults
  41 #
  42 libgc_configure_args=
  43
  44 if test -d $srcdir/libgc ; then
  45   libgc_default=included
  46 else
  47   libgc_default=boehm
  48 fi
  49
  50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  53 CFLAGS_FOR_LIBGC=$CFLAGS
  54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  55 CFLAGS_FOR_EGLIB=$CFLAGS
  56
  57 # libgc uses some deprecated APIs
  58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  59
  60 #
  61 # These are the flags that need to be stored in the mono.pc file for
  62 # compiling code that will embed Mono
  63 #
  64 libmono_cflags=""
  65 libmono_ldflags=""
  66 AC_SUBST(libmono_cflags)
  67 AC_SUBST(libmono_ldflags)
  68
  69 # Variable to have relocatable .pc files (lib, or lib64)
  70 reloc_libdir=`basename ${libdir}`
  71 AC_SUBST(reloc_libdir)
  72
  73 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  74 need_link_unlink=no
  75
  76 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  77 extra_runtime_ldflags=""
  78
  79 # Thread configuration inspired by sleepycat's db
  80 AC_MSG_CHECKING([host platform characteristics])
  81 libgc_threads=no
  82 has_dtrace=no
  83 parallel_mark=yes
  84 ikvm_native=yes
  85
  86 case "$host" in
  87         powerpc*-*-linux*)
  88                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  89                 disable_munmap=yes
  90         ;;
  91 esac
  92
  93 host_win32=no
  94 target_win32=no
  95 platform_android=no
  96 platform_darwin=no
  97 case "$host" in
  98         *-mingw*|*-*-cygwin*)
  99                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 100                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 101                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 102                 host_win32=yes
 103                 mono_cv_clang=no
 104                 if test "x$cross_compiling" = "xno"; then
 105                         target_win32=yes
 106                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 107                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 108                         fi
 109                 else
 110                         target_win32=yes
 111                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 112                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 113                 fi
 114                 HOST_CC="gcc"
 115                 # Windows XP SP2 is required
 116                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 117                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 118                 libmono_cflags="-mms-bitfields -mwindows"
 119                 libmono_ldflags="-mms-bitfields -mwindows"
 120                 libdl=
 121                 libgc_threads=win32
 122                 libgc_default=included
 123                 with_sigaltstack=no
 124                 with_tls=pthread
 125                 LN_S=cp
 126                 # This forces libgc to use the DllMain based thread registration code on win32
 127                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 128                 ;;
 129         *-*-*netbsd*)
 130                 host_win32=no
 131                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 132                 libmono_cflags="-D_REENTRANT"
 133                 LDFLAGS="$LDFLAGS -pthread"
 134                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 135                 libmono_ldflags="-pthread"
 136                 need_link_unlink=yes
 137                 libdl="-ldl"
 138                 libgc_threads=pthreads
 139                 with_sigaltstack=no
 140                 use_sigposix=yes
 141                 ;;
 142         *-*-kfreebsd*-gnu)
 143                 host_win32=no
 144                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 145                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 146                 libmono_ldflags="-lpthread -pthread"
 147                 libdl="-ldl"
 148                 libgc_threads=pthreads
 149                 need_link_unlink=yes
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 use_sigposix=yes
 175                 has_dtrace=yes
 176                 ;;
 177         *-*-*openbsd*)
 178                 host_win32=no
 179                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 180                 if test "x$disable_munmap" != "xyes"; then
 181                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 182                 fi
 183                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 184                 LDFLAGS="$LDFLAGS -pthread"
 185                 need_link_unlink=yes
 186                 AC_DEFINE(PTHREAD_POINTER_ID)
 187                 libdl=
 188                 libgc_default=boehm
 189                 libgc_threads=pthreads
 190                 with_sigaltstack=no
 191                 use_sigposix=yes
 192                 ;;
 193         *-*-linux-android*)
 194                 host_win32=no
 195                 platform_android=yes
 196                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 197                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 198
 199                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 200                 if test "x$disable_munmap" != "xyes"; then
 201                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 202                 fi
 203                 libmono_cflags="-D_REENTRANT"
 204                 libdl="-ldl"
 205                 libgc_threads=pthreads
 206                 use_sigposix=yes
 207
 208                 with_tls=pthread
 209                 with_sigaltstack=no
 210                 with_static_mono=no
 211
 212                 # Android doesn't support boehm, as it's missing <link.h>
 213                 support_boehm=no
 214                 with_gc=sgen
 215
 216                 # isinf(3) requires -lm; see isinf check below
 217                 LDFLAGS="$LDFLAGS -lm"
 218
 219                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 220                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 221                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 222                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 223                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 224
 225                 # The configure check can't detect this
 226                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 227
 228                 # to bypass the underscore linker check, can't work when cross-compiling
 229                 mono_cv_uscore=yes
 230                 mono_cv_clang=no
 231                 ;;
 232         *-*-linux*)
 233                 host_win32=no
 234                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 235                 if test "x$disable_munmap" != "xyes"; then
 236                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 237                 fi
 238                 libmono_cflags="-D_REENTRANT"
 239                 libdl="-ldl"
 240                 libgc_threads=pthreads
 241                 use_sigposix=yes
 242                 if test "x$cross_compiling" != "xno"; then
 243                         # to bypass the underscore linker check, not
 244                         # available during cross-compilation
 245                         mono_cv_uscore=no
 246                 fi
 247                 case "$host" in
 248                 aarch64-*)
 249                         support_boehm=no
 250                         with_gc=sgen
 251                         ;;
 252                 esac
 253                 ;;
 254         *-*-nacl*)
 255                 host_win32=no
 256                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 257                 if test "x$disable_munmap" != "xyes"; then
 258                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 259                 fi
 260                 libmono_cflags="-D_REENTRANT"
 261                 libdl=
 262                 libgc_threads=pthreads
 263                 libgc_default=boehm
 264                 use_sigposix=yes
 265                 ikvm_native=no
 266                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 267                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 268                 ;;
 269         *-*-hpux*)
 270                 host_win32=no
 271                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 272                 # +ESdbgasm only valid on bundled cc on RISC
 273                 # silently ignored for ia64
 274                 if test $GCC != "yes"; then
 275                         CFLAGS="$CFLAGS +ESdbgasm"
 276                         # Arrange for run-time dereferencing of null
 277                         # pointers to produce a SIGSEGV signal.
 278                         LDFLAGS="$LDFLAGS -z"
 279                 fi
 280                 CFLAGS="$CFLAGS +ESdbgasm"
 281                 LDFLAGS="$LDFLAGS -z"
 282                 libmono_cflags="-D_REENTRANT"
 283                 libmono_ldflags="-lpthread"
 284                 libgc_threads=pthreads
 285                 need_link_unlink=yes
 286                 use_sigposix=yes
 287                 ;;
 288         *-*-solaris*)
 289                 host_win32=no
 290                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 291                 need_link_unlink=yes
 292                 libmono_cflags="-D_REENTRANT"
 293                 libgc_threads=pthreads
 294                 # This doesn't seem to work on solaris/x86, but the configure test runs
 295                 with_tls=pthread
 296                 has_dtrace=yes
 297                 use_sigposix=yes
 298                 enable_solaris_tar_check=yes
 299                 ;;
 300         *-*-darwin*)
 301                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 302                 host_win32=no
 303                 platform_darwin=yes
 304                 target_mach=yes
 305                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 306                 libmono_cflags="-D_THREAD_SAFE"
 307                 need_link_unlink=yes
 308                 AC_DEFINE(PTHREAD_POINTER_ID)
 309                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 310                 libdl=
 311                 libgc_threads=pthreads
 312                 has_dtrace=yes
 313                 if test "x$cross_compiling" = "xyes"; then
 314                         has_broken_apple_cpp=yes
 315                 fi
 316                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 317                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 318                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 319                 case "$host" in
 320                         dnl Snow Leopard and newer config.guess reports as this
 321                         i*86-*-darwin*)
 322                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 323                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 324                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 325                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 326                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 327                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 328                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 329                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 330                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 331                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 332                                 ;;
 333                         x*64-*-darwin*)
 334                                 ;;
 335                         arm*-darwin*)
 336                                 has_dtrace=no
 337                                 ;;
 338                 esac
 339                 ;;
 340         *-*-haiku*)
 341                 host_win32=no
 342                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 343                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 344                 libdl=
 345                 LIBS="$LIBS -lnetwork"
 346                 need_link_unlink=yes
 347                 AC_DEFINE(PTHREAD_POINTER_ID)
 348                 libgc_threads=pthreads
 349                 use_sigposix=yes
 350                 ;;
 351         *)
 352                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 353                 host_win32=no
 354                 libdl="-ldl"
 355                 ;;
 356 esac
 357 AC_MSG_RESULT(ok)
 358
 359 if test x$need_link_unlink = xyes; then
 360    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 361 fi
 362
 363 AC_SUBST(extra_runtime_ldflags)
 364 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 365 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 366 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 367 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 368 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 369 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 370 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 371
 372 AC_CHECK_TOOL(CC, gcc, gcc)
 373 AC_PROG_CC
 374 AC_CHECK_TOOL(CXX, g++, g++)
 375 AC_PROG_CXX
 376 AM_PROG_AS
 377 AC_PROG_INSTALL
 378 AC_PROG_AWK
 379 AM_PROG_CC_C_O
 380 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 381 : ${CCAS='$(CC)'}
 382 # Set ASFLAGS if not already set.
 383 : ${CCASFLAGS='$(CFLAGS)'}
 384 AC_SUBST(CCAS)
 385 AC_SUBST(CCASFLAGS)
 386
 387 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 388 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 389 if test "x$CXX" = "xg++"; then
 390         if test "x$GXX" != "xyes"; then
 391                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 392                 # are inside automake conditionals
 393                 AC_MSG_ERROR([You need to install g++])
 394         fi
 395 fi
 396
 397 dnl may require a specific autoconf version
 398 dnl AC_PROG_CC_FOR_BUILD
 399 dnl CC_FOR_BUILD not automatically detected
 400 CC_FOR_BUILD=$CC
 401 CFLAGS_FOR_BUILD=$CFLAGS
 402 BUILD_EXEEXT=
 403 if test "x$cross_compiling" = "xyes"; then
 404         CC_FOR_BUILD=cc
 405         CFLAGS_FOR_BUILD=
 406         BUILD_EXEEXT=""
 407 fi
 408 AC_SUBST(CC_FOR_BUILD)
 409 AC_SUBST(CFLAGS_FOR_BUILD)
 410 AC_SUBST(HOST_CC)
 411 AC_SUBST(BUILD_EXEEXT)
 412
 413 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 414 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 415
 416 # Set STDC_HEADERS
 417 AC_HEADER_STDC
 418 AC_LIBTOOL_WIN32_DLL
 419 # This causes monodis to not link correctly
 420 #AC_DISABLE_FAST_INSTALL
 421 AM_PROG_LIBTOOL
 422 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 423 DOLT
 424
 425 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 426 AC_SUBST(export_ldflags)
 427
 428 # Test whenever ld supports -version-script
 429 AC_PROG_LD
 430 AC_PROG_LD_GNU
 431
 432 AM_ICONV()
 433
 434 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)
 435 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.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)
 436 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 437                   [], [], [#include <stddef.h>
 438                   #include <sys/socket.h>
 439                   #include <linux/socket.h>])
 440
 441 AC_CHECK_HEADERS(sys/user.h, [], [],
 442 [
 443 #ifdef HAVE_SYS_PARAM_H
 444 # include <sys/param.h>
 445 #endif
 446 ])
 447
 448 AC_CHECK_HEADERS(linux/serial.h)
 449
 450 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 451 if test x$have_zlib = xyes; then
 452    AC_TRY_COMPILE([#include <zlib.h>], [
 453    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 454    return 0;
 455    #else
 456    #error No good zlib found
 457    #endif
 458    ],[
 459         AC_MSG_RESULT(Using system zlib)
 460         zlib_msg="system zlib"
 461         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 462    ],[
 463         AC_MSG_RESULT(Using embedded zlib)
 464         have_zlib=no
 465         zlib_msg="bundled zlib"
 466    ])
 467 fi
 468
 469 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 470 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 471
 472 # for mono/metadata/debug-symfile.c
 473 AC_CHECK_HEADERS(elf.h)
 474
 475 # for support
 476 AC_CHECK_HEADERS(poll.h)
 477 AC_CHECK_HEADERS(sys/poll.h)
 478 AC_CHECK_HEADERS(sys/wait.h)
 479 AC_CHECK_HEADERS(grp.h)
 480 AC_CHECK_HEADERS(syslog.h)
 481
 482 # for mono/dis
 483 AC_CHECK_HEADERS(wchar.h)
 484 AC_CHECK_HEADERS(ieeefp.h)
 485 AC_MSG_CHECKING(for isinf)
 486 AC_TRY_LINK([#include <math.h>], [
 487         int f = isinf (1.0);
 488 ], [
 489         AC_MSG_RESULT(yes)
 490         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 491 ], [
 492         # We'll have to use signals
 493         AC_MSG_RESULT(no)
 494 ])
 495 # mingw
 496 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 497         AC_TRY_LINK([#include <math.h>],
 498         [ _finite(0.0); ],
 499         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 500         AC_MSG_RESULT(no)))
 501
 502 # for Linux statfs support
 503 AC_CHECK_HEADERS(linux/magic.h)
 504
 505 # not 64 bit clean in cross-compile
 506 AC_CHECK_SIZEOF(void *, 4)
 507
 508 AC_CACHE_CHECK([for clang],
 509         mono_cv_clang,[
 510         AC_TRY_COMPILE([], [
 511                 #ifdef __clang__
 512                 #else
 513                 #error "FAILED"
 514                 #endif
 515                 return 0;
 516         ],
 517         [mono_cv_clang=yes],
 518         [mono_cv_clang=no],
 519         [])
 520 ])
 521
 522 AC_ARG_ENABLE(visiblity-hidden,
 523 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
 524    disable_visibility_hidden=no, disable_visibility_hidden=yes)
 525
 526 WARN=''
 527 if test x"$GCC" = xyes; then
 528         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 529
 530                 # We require C99 with some GNU extensions, e.g. `linux` macro
 531                 CFLAGS="$CFLAGS -std=gnu99"
 532
 533                 # The runtime code does not respect ANSI C strict aliasing rules
 534                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 535
 536                 # We rely on signed overflow to behave
 537                 CFLAGS="$CFLAGS -fwrapv"
 538
 539                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 540                 if test x"$disable_visibility_hidden" = xno; then
 541                    # Don't export any symbols by default
 542                    SHARED_CFLAGS="-fvisibility=hidden"
 543                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 544                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 545                 fi
 546
 547                 ORIG_CFLAGS=$CFLAGS
 548                 # Check for the normal version, since gcc ignores unknown -Wno options
 549                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 550                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 551                 AC_TRY_COMPILE([],[
 552                                 return 0;
 553                 ], [
 554                    AC_MSG_RESULT(yes)
 555                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 556                 ], [
 557                    AC_MSG_RESULT(no)
 558                    CFLAGS=$ORIG_CFLAGS
 559                 ])
 560
 561                 if test "x$mono_cv_clang" = "xyes"; then
 562                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 563                    WARN="$WARN -Qunused-arguments"
 564                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 565                 fi
 566 else
 567         # The Sun Forte compiler complains about inline functions that access static variables
 568         # so disable all inlining.
 569         case "$host" in
 570         *-*-solaris*)
 571                 CFLAGS="$CFLAGS -Dinline="
 572                 ;;
 573         esac
 574 fi
 575 CFLAGS="$CFLAGS -g $WARN"
 576 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 577 CPPFLAGS="$CPPFLAGS -g $WARN"
 578
 579 # Where's the 'mcs' source tree?
 580 if test -d $srcdir/mcs; then
 581   mcsdir=mcs
 582 else
 583   mcsdir=../mcs
 584 fi
 585
 586 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 587         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 588                 mcsdir=$with_mcs_path
 589         fi
 590 )
 591
 592 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 593
 594 #
 595 # A sanity check to catch cases where the package was unpacked
 596 # with an ancient tar program (Solaris)
 597 #
 598 AC_ARG_ENABLE(solaris-tar-check,
 599 [  --disable-solaris-tar-check    disable solaris tar check],
 600    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 601
 602 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 603         AC_MSG_CHECKING(integrity of package)
 604         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 605         then
 606                 AC_MSG_RESULT(ok)
 607         else
 608                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 609                 AC_MSG_ERROR([$errorm])
 610         fi
 611 fi
 612
 613 if test "x$with_mcs_path" != "x"; then
 614 mcs_topdir=$(cd "$mcsdir" && pwd)
 615 mcs_topdir_from_srcdir=$mcs_topdir
 616 else
 617 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 618 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 619 fi
 620
 621 # Convert mcs_topdir* paths to Windows syntax.
 622 if test x$cross_compiling$host_win32 = xnoyes; then
 623   mcs_topdir=$(cygpath -m $mcs_topdir)
 624   case $mcs_topdir_from_srcdir in
 625     /cygdrive/*)
 626         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 627         ;;
 628   esac
 629 fi
 630
 631 AC_SUBST([mcs_topdir])
 632 AC_SUBST([mcs_topdir_from_srcdir])
 633
 634 # Where's the 'olive' source tree?
 635 if test -d $srcdir/olive; then
 636   olivedir=olive
 637 else
 638   olivedir=../olive
 639 fi
 640
 641 if test -d $srcdir/$olivedir; then
 642 olive_topdir='$(top_srcdir)/'$olivedir
 643 fi
 644
 645 # gettext: prepare the translation directories.
 646 # we do not configure the full gettext, as we consume it dynamically from C#
 647 AM_PO_SUBDIRS
 648
 649 if test "x$USE_NLS" = "xyes"; then
 650    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 651
 652    if test "x$HAVE_MSGFMT" = "xno"; then
 653           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 654    fi
 655 fi
 656
 657 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 658
 659 pkg_config_path=
 660 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 661         if test x$with_crosspkgdir = "x"; then
 662                 if test -s $PKG_CONFIG_PATH; then
 663                         pkg_config_path=$PKG_CONFIG_PATH
 664                 fi
 665         else
 666                 pkg_config_path=$with_crosspkgdir
 667                 PKG_CONFIG_PATH=$pkg_config_path
 668                 export PKG_CONFIG_PATH
 669         fi
 670 )
 671
 672 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 673 if test x$werror_flag = xyes; then
 674         WERROR_CFLAGS="-Werror"
 675 fi
 676 AC_SUBST([WERROR_CFLAGS])
 677 AC_SUBST([SHARED_CFLAGS])
 678
 679 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 680 AC_CONFIG_SUBDIRS(eglib)
 681
 682 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 683 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 684 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 685 BUILD_GLIB_LIBS="$GLIB_LIBS"
 686 GMODULE_CFLAGS="$GLIB_CFLAGS"
 687 GMODULE_LIBS="$GLIB_LIBS"
 688
 689 AC_SUBST(GLIB_CFLAGS)
 690 AC_SUBST(GLIB_LIBS)
 691 AC_SUBST(GMODULE_CFLAGS)
 692 AC_SUBST(GMODULE_LIBS)
 693 AC_SUBST(BUILD_GLIB_CFLAGS)
 694 AC_SUBST(BUILD_GLIB_LIBS)
 695
 696 # Enable support for fast thread-local storage
 697 # Some systems have broken support, so we allow to disable it.
 698 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 699
 700 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 701 # This does not work on some platforms (bug #55253)
 702 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 703
 704 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 705 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 706 # Same as --with-shared_mono=no
 707 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 708
 709 if test "x$enable_static" = "xno"; then
 710    with_static_mono=no
 711 fi
 712
 713 if test "x$enable_shared" = "xno"; then
 714    with_shared_mono=no
 715 fi
 716
 717 if test "x$enable_libraries" = "xno"; then
 718    with_shared_mono=no
 719 fi
 720
 721 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 722
 723 case $host in
 724 *nacl* ) with_shared_mono=yes;;
 725 esac
 726
 727 if test "x$host_win32" = "xyes"; then
 728    # Boehm GC requires the runtime to be in its own dll
 729    with_static_mono=no
 730 fi
 731
 732 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 733 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 734 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 735
 736 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 737 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 738         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 739         ORIG_CFLAGS=$CFLAGS
 740         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 741         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 742         AC_TRY_COMPILE([], [
 743                 return 0;
 744         ], [
 745            AC_MSG_RESULT(yes)
 746            # Pass it to libgc as well
 747            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 748         ], [
 749            AC_MSG_RESULT(no)
 750            CFLAGS=$ORIG_CFLAGS
 751         ])
 752 fi
 753
 754 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 755
 756 if test x$enable_small_config = xyes; then
 757         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 758         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 759 fi
 760
 761 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=$enableval, enable_system_aot=default)
 762
 763 DISABLED_FEATURES=none
 764
 765 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 766      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 767      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 768          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 769 [
 770         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 771                 eval "mono_feature_disable_$feature='yes'"
 772         done
 773         DISABLED_FEATURES=$enable_minimal
 774         disabled="Disabled:      $enable_minimal"
 775 ],[])
 776
 777 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 778
 779 if test "x$mono_feature_disable_aot" = "xyes"; then
 780         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 781         AC_MSG_NOTICE([Disabled AOT compiler])
 782 fi
 783
 784 if test "x$mono_feature_disable_profiler" = "xyes"; then
 785         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 786         AC_MSG_NOTICE([Disabled support for the profiler])
 787 fi
 788 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 789
 790 if test "x$mono_feature_disable_decimal" = "xyes"; then
 791         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 792         AC_MSG_NOTICE([Disabled support for decimal])
 793 fi
 794
 795 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 796         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 797         AC_MSG_NOTICE([Disabled support for P/Invoke])
 798 fi
 799
 800 if test "x$mono_feature_disable_debug" = "xyes"; then
 801         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 802         AC_MSG_NOTICE([Disabled support for runtime debugging])
 803 fi
 804
 805 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 806         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 807         mono_feature_disable_reflection_emit_save=yes
 808         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 809 fi
 810
 811 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 812         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 813         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 814 fi
 815
 816 if test "x$mono_feature_disable_large_code" = "xyes"; then
 817         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 818         AC_MSG_NOTICE([Disabled support for large assemblies])
 819 fi
 820
 821 if test "x$mono_feature_disable_logging" = "xyes"; then
 822         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 823         AC_MSG_NOTICE([Disabled support for logging])
 824 fi
 825
 826 if test "x$mono_feature_disable_com" = "xyes"; then
 827         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 828         AC_MSG_NOTICE([Disabled COM support])
 829 fi
 830
 831 if test "x$mono_feature_disable_ssa" = "xyes"; then
 832         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 833         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 834 fi
 835
 836 if test "x$mono_feature_disable_generics" = "xyes"; then
 837         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 838         AC_MSG_NOTICE([Disabled Generics Support])
 839 fi
 840
 841 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 842         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 843         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 844 fi
 845
 846 if test "x$mono_feature_disable_portability" = "xyes"; then
 847         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 848         AC_MSG_NOTICE([Disabled IO Portability layer])
 849 fi
 850
 851 if test "x$mono_feature_disable_attach" = "xyes"; then
 852         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 853         AC_MSG_NOTICE([Disabled agent attach])
 854 fi
 855
 856 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 857         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 858         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 859 fi
 860
 861 if test "x$mono_feature_disable_verifier" = "xyes"; then
 862         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 863         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 864 fi
 865
 866 if test "x$mono_feature_disable_jit" = "xyes"; then
 867         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 868         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 869 fi
 870
 871 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 872
 873 if test "x$mono_feature_disable_simd" = "xyes"; then
 874         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 875         AC_MSG_NOTICE([Disabled SIMD support])
 876 fi
 877
 878 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 879         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 880         AC_MSG_NOTICE([Disabled Soft Debugger.])
 881 fi
 882
 883 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 884         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 885         AC_MSG_NOTICE([Disabled Performance Counters.])
 886 fi
 887 if test "x$mono_feature_disable_normalization" = "xyes"; then
 888         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 889         AC_MSG_NOTICE([Disabled String normalization support.])
 890 fi
 891
 892 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 893         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 894         AC_MSG_NOTICE([Disabled Assembly remapping.])
 895 fi
 896
 897 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 898         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 899         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 900 fi
 901
 902 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 903         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 904         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 905 fi
 906
 907 if test "x$mono_feature_disable_remoting" = "xyes"; then
 908         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 909         AC_MSG_NOTICE([Disabled remoting])
 910 fi
 911
 912 if test "x$mono_feature_disable_security" = "xyes"; then
 913         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 914         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 915 fi
 916
 917 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 918         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 919         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 920 fi
 921
 922 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 923         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 924         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 925 fi
 926
 927 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 928         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 929         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 930 fi
 931
 932 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 933         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 934         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 935 fi
 936
 937 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 938         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 939         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 940 fi
 941
 942 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 943         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 944         AC_SUBST(DISABLE_SHARED_HANDLES)
 945 fi
 946
 947 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 948 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 949
 950 has_extension_module=no
 951 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 952 [
 953         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 954                 if test x$extension = xdefault ; then
 955                         has_extension_module=yes;
 956                 fi
 957         done
 958         if test x$enable_extension_module = xyes; then
 959                 has_extension_module=yes;
 960         fi
 961 ], [])
 962
 963 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 964
 965 if test x$has_extension_module != xno ; then
 966         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 967         AC_MSG_NOTICE([Enabling mono extension module.])
 968 fi
 969
 970 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 971 if test x$enable_gsharing = xyes; then
 972         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 973 fi
 974
 975 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 976 if test x$enable_native_types = xyes; then
 977         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 978 fi
 979
 980 AC_MSG_CHECKING(for visibility __attribute__)
 981 AC_COMPILE_IFELSE([
 982         AC_LANG_SOURCE([[
 983                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 984                 int main () { doit (); return 0; }
 985         ]])
 986 ], [
 987    have_visibility_hidden=yes
 988    AC_MSG_RESULT(yes)
 989 ], [
 990    have_visibility_hidden=no
 991    AC_MSG_RESULT(no)
 992 ])
 993
 994 AC_MSG_CHECKING(for deprecated __attribute__)
 995 AC_TRY_COMPILE([
 996      int doit (void) __attribute__ ((deprecated));
 997      int doit (void) { return 0; }
 998 ], [
 999         return 0;
1000 ], [
1001    have_deprecated=yes
1002    AC_MSG_RESULT(yes)
1003 ], [
1004    have_deprecated=no
1005    AC_MSG_RESULT(no)
1006 ])
1007
1008 dnl
1009 dnl Boehm GC configuration
1010 dnl
1011
1012 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1013
1014 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1015 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1016
1017 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1018 if test x$enable_parallel_mark = xyes; then
1019         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1020 fi
1021
1022 gc_headers=no
1023 gc_msg=""
1024 use_included_gc=no
1025 LIBGC_CPPFLAGS=
1026 LIBGC_LIBS=
1027 LIBGC_STATIC_LIBS=
1028 libgc_dir=
1029 case "x$libgc" in
1030         xboehm|xbohem|xyes)
1031                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1032                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1033
1034                 if test "x$found_boehm" != "xyes"; then
1035                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1036                 fi
1037                 if test "x$gc_headers" != "xyes"; then
1038                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1039                 fi
1040
1041                 LIBGC_LIBS="-lgc $libdl"
1042                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1043                 libmono_ldflags="$libmono_ldflags -lgc"
1044                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1045
1046                 # AC_CHECK_FUNCS does not work for some reason...
1047                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1048                 if test "x$found_gcj_malloc" = "xyes"; then
1049                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1050                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1051                         gc_msg="System Boehm with typed GC"
1052                 else
1053                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1054                         gc_msg="System Boehm (without typed GC)"
1055                 fi
1056                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1057                 if test "x$found_gc_enable" = "xyes"; then
1058                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1059                 fi
1060
1061                 # check whether we need to explicitly allow
1062                 # thread registering
1063                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1064                 if test "x$found_allow_register_threads" = "xyes"; then
1065                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1066                 fi
1067                 ;;
1068
1069         xincluded)
1070                 use_included_gc=yes
1071                 if test "x$support_boehm" = "xyes"; then
1072                         libgc_dir=libgc
1073                 fi
1074
1075                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1076                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1077                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1078
1079                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1080
1081                 if test x$target_win32 = xyes; then
1082                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1083                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1084                 fi
1085
1086                 gc_msg="Included Boehm GC with typed GC"
1087                 if test x$enable_parallel_mark = xyes; then
1088                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1089                         gc_msg="$gc_msg and parallel mark"
1090                 else
1091                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1092                 fi
1093                 ;;
1094
1095         xsgen)
1096                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1097                 ;;
1098
1099         xnone)
1100                 AC_MSG_WARN("Compiling mono without GC.")
1101                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1102                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1103                 gc_msg="none"
1104                 ;;
1105         *)
1106                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1107                 ;;
1108 esac
1109
1110 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1111 if test "x$large_heap" = "xyes"; then
1112    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1113 fi
1114
1115 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1116 AC_SUBST(LIBGC_CPPFLAGS)
1117 AC_SUBST(LIBGC_LIBS)
1118 AC_SUBST(LIBGC_STATIC_LIBS)
1119 AC_SUBST(libgc_dir)
1120 AC_SUBST(BOEHM_DEFINES)
1121
1122 dnl
1123 dnl End of Boehm GC Configuration
1124 dnl
1125
1126 dnl *************************************
1127 dnl *** Checks for zero length arrays ***
1128 dnl *************************************
1129 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1130 AC_TRY_COMPILE([
1131         struct s {
1132                 int  length;
1133                 char data [0];
1134         };
1135 ], [], [
1136         AC_MSG_RESULT(yes)
1137         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1138 ], [
1139         AC_MSG_RESULT(no)
1140         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1141 ])
1142
1143 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1144
1145 dnl ***********************************
1146 dnl *** Checks for signals
1147 dnl ***********************************
1148 AC_CHECK_HEADERS(signal.h)
1149 AC_CHECK_FUNCS(sigaction)
1150
1151 if test x$target_win32 = xno; then
1152
1153         dnl hires monotonic clock support
1154         AC_SEARCH_LIBS(clock_gettime, rt)
1155
1156         dnl dynamic loader support
1157         AC_CHECK_FUNC(dlopen, DL_LIB="",
1158                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1159         )
1160         if test x$dl_support = xno; then
1161                 AC_MSG_WARN([No dynamic loading support available])
1162         else
1163                 LIBS="$LIBS $DL_LIB"
1164                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1165                 dnl from glib's configure.ac
1166                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1167                         mono_cv_uscore,[
1168                         AC_TRY_RUN([#include <dlfcn.h>
1169                         int mono_underscore_test (void) { return 42; }
1170                         int main() {
1171                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1172                           handle = dlopen ((void*)0, 0);
1173                           if (handle) {
1174                             f1 = dlsym (handle, "mono_underscore_test");
1175                             f2 = dlsym (handle, "_mono_underscore_test");
1176                           } return (!f2 || f1);
1177                         }],
1178                                 [mono_cv_uscore=yes],
1179                                 [mono_cv_uscore=no],
1180                         [])
1181                 ])
1182                 if test "x$mono_cv_uscore" = "xyes"; then
1183                         MONO_DL_NEED_USCORE=1
1184                 else
1185                         MONO_DL_NEED_USCORE=0
1186                 fi
1187                 AC_SUBST(MONO_DL_NEED_USCORE)
1188                 AC_CHECK_FUNC(dlerror)
1189         fi
1190
1191         dnl ******************************************************************
1192         dnl *** Checks for the IKVM JNI interface library                  ***
1193         dnl ******************************************************************
1194         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])
1195
1196         ikvm_native_dir=
1197         if test x$with_ikvm_native = xyes; then
1198                 ikvm_native_dir=ikvm-native
1199                 jdk_headers_found="IKVM Native"
1200         fi
1201
1202         AC_SUBST(ikvm_native_dir)
1203
1204         AC_CHECK_HEADERS(execinfo.h)
1205
1206         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1207
1208         AC_CHECK_FUNCS(getgrgid_r)
1209         AC_CHECK_FUNCS(getgrnam_r)
1210         AC_CHECK_FUNCS(getpwnam_r)
1211         AC_CHECK_FUNCS(getpwuid_r)
1212         AC_CHECK_FUNCS(getresuid)
1213         AC_CHECK_FUNCS(setresuid)
1214         AC_CHECK_FUNCS(kqueue)
1215         AC_CHECK_FUNCS(backtrace_symbols)
1216         AC_CHECK_FUNCS(mkstemp)
1217         AC_CHECK_FUNCS(mmap)
1218         AC_CHECK_FUNCS(madvise)
1219         AC_CHECK_FUNCS(getrusage)
1220         AC_CHECK_FUNCS(getpriority)
1221         AC_CHECK_FUNCS(setpriority)
1222         AC_CHECK_FUNCS(dl_iterate_phdr)
1223         AC_CHECK_FUNCS(dladdr)
1224         AC_CHECK_FUNCS(sysconf)
1225         AC_CHECK_FUNCS(getrlimit)
1226
1227         AC_CHECK_FUNCS(sched_setaffinity)
1228         AC_CHECK_FUNCS(sched_getcpu)
1229
1230         dnl ****************************************************************
1231         dnl *** Check for sched_setaffinity from glibc versions before   ***
1232         dnl *** 2.3.4. The older versions of the function only take 2    ***
1233         dnl *** parameters, not 3.                                       ***
1234         dnl ***                                                          ***
1235         dnl *** Because the interface change was not made in a minor     ***
1236         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1237         dnl *** won't always indicate the interface sched_affinity has.  ***
1238         dnl ****************************************************************
1239         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1240         AC_TRY_COMPILE([#include <sched.h>], [
1241             int mask = 1;
1242             sched_setaffinity(0, &mask);
1243                         return 0;
1244         ], [
1245                 # Yes, we have it...
1246                 AC_MSG_RESULT(yes)
1247                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1248         ], [
1249                 # We have the new, three-parameter version
1250                 AC_MSG_RESULT(no)
1251         ])
1252
1253
1254         dnl ******************************************************************
1255         dnl *** Check for large file support                               ***
1256         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1257         dnl ******************************************************************
1258
1259         # Check that off_t can represent 2**63 - 1 correctly, working around
1260         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1261         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1262         large_offt=no
1263         AC_DEFUN([LARGE_FILES], [
1264                 large_CPPFLAGS=$CPPFLAGS
1265                 CPPFLAGS="$CPPFLAGS $1"
1266                 AC_TRY_COMPILE([
1267                         #include <sys/types.h>
1268                         #include <limits.h>
1269                 ], [
1270                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1271                         #define COMPILE_TIME_ASSERT(pred) \
1272                                 switch(0){case 0:case pred:;}
1273                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1274                 ], [
1275                         AC_MSG_RESULT(ok)
1276                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1277                         large_CPPFLAGS="$large_CPPFLAGS $1"
1278                         large_offt=yes
1279                 ], [
1280                         AC_MSG_RESULT(no)
1281                 ])
1282                 CPPFLAGS=$large_CPPFLAGS
1283         ])
1284
1285         AC_MSG_CHECKING(if off_t is 64 bits wide)
1286         LARGE_FILES("")
1287         if test $large_offt = no; then
1288                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1289                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1290         fi
1291         if test $large_offt = no; then
1292                 AC_MSG_WARN([No 64 bit file size support available])
1293         fi
1294
1295         dnl *****************************
1296         dnl *** Checks for libsocket  ***
1297         dnl *****************************
1298         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1299
1300         case "$host" in
1301                 *-*-*freebsd*)
1302                         dnl *****************************
1303                         dnl *** Checks for libinotify ***
1304                         dnl *****************************
1305                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1306         esac
1307
1308         dnl *******************************
1309         dnl *** Checks for MSG_NOSIGNAL ***
1310         dnl *******************************
1311         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1312         AC_TRY_COMPILE([#include <sys/socket.h>], [
1313                 int f = MSG_NOSIGNAL;
1314         ], [
1315                 # Yes, we have it...
1316                 AC_MSG_RESULT(yes)
1317                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1318         ], [
1319                 # We'll have to use signals
1320                 AC_MSG_RESULT(no)
1321         ])
1322
1323         dnl *****************************
1324         dnl *** Checks for IPPROTO_IP ***
1325         dnl *****************************
1326         AC_MSG_CHECKING(for IPPROTO_IP)
1327         AC_TRY_COMPILE([#include <netinet/in.h>], [
1328                 int level = IPPROTO_IP;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1333         ], [
1334                 # We'll have to use getprotobyname
1335                 AC_MSG_RESULT(no)
1336         ])
1337
1338         dnl *******************************
1339         dnl *** Checks for IPPROTO_IPV6 ***
1340         dnl *******************************
1341         AC_MSG_CHECKING(for IPPROTO_IPV6)
1342         AC_TRY_COMPILE([#include <netinet/in.h>], [
1343                 int level = IPPROTO_IPV6;
1344         ], [
1345                 # Yes, we have it...
1346                 AC_MSG_RESULT(yes)
1347                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1348         ], [
1349                 # We'll have to use getprotobyname
1350                 AC_MSG_RESULT(no)
1351         ])
1352
1353         dnl ******************************
1354         dnl *** Checks for IPPROTO_TCP ***
1355         dnl ******************************
1356         AC_MSG_CHECKING(for IPPROTO_TCP)
1357         AC_TRY_COMPILE([#include <netinet/in.h>], [
1358                 int level = IPPROTO_TCP;
1359         ], [
1360                 # Yes, we have it...
1361                 AC_MSG_RESULT(yes)
1362                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1363         ], [
1364                 # We'll have to use getprotobyname
1365                 AC_MSG_RESULT(no)
1366         ])
1367
1368         dnl *****************************
1369         dnl *** Checks for SOL_IP     ***
1370         dnl *****************************
1371         AC_MSG_CHECKING(for SOL_IP)
1372         AC_TRY_COMPILE([#include <netdb.h>], [
1373                 int level = SOL_IP;
1374         ], [
1375                 # Yes, we have it...
1376                 AC_MSG_RESULT(yes)
1377                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1378         ], [
1379                 # We'll have to use getprotobyname
1380                 AC_MSG_RESULT(no)
1381         ])
1382
1383         dnl *****************************
1384         dnl *** Checks for SOL_IPV6     ***
1385         dnl *****************************
1386         AC_MSG_CHECKING(for SOL_IPV6)
1387         AC_TRY_COMPILE([#include <netdb.h>], [
1388                 int level = SOL_IPV6;
1389         ], [
1390                 # Yes, we have it...
1391                 AC_MSG_RESULT(yes)
1392                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1393         ], [
1394                 # We'll have to use getprotobyname
1395                 AC_MSG_RESULT(no)
1396         ])
1397
1398         dnl *****************************
1399         dnl *** Checks for SOL_TCP    ***
1400         dnl *****************************
1401         AC_MSG_CHECKING(for SOL_TCP)
1402         AC_TRY_COMPILE([#include <netdb.h>], [
1403                 int level = SOL_TCP;
1404         ], [
1405                 # Yes, we have it...
1406                 AC_MSG_RESULT(yes)
1407                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1408         ], [
1409                 # We'll have to use getprotobyname
1410                 AC_MSG_RESULT(no)
1411         ])
1412
1413         dnl *****************************
1414         dnl *** Checks for IP_PKTINFO ***
1415         dnl *****************************
1416         AC_MSG_CHECKING(for IP_PKTINFO)
1417         AC_TRY_COMPILE([#include <linux/in.h>], [
1418                 int level = IP_PKTINFO;
1419         ], [
1420                 # Yes, we have it...
1421                 AC_MSG_RESULT(yes)
1422                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1423         ], [
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl *****************************
1428         dnl *** Checks for IPV6_PKTINFO ***
1429         dnl *****************************
1430         AC_MSG_CHECKING(for IPV6_PKTINFO)
1431         AC_TRY_COMPILE([#include <netdb.h>], [
1432                 int level = IPV6_PKTINFO;
1433         ], [
1434                 # Yes, we have it...
1435                 AC_MSG_RESULT(yes)
1436                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1437         ], [
1438                 AC_MSG_RESULT(no)
1439         ])
1440
1441         dnl **********************************
1442         dnl *** Checks for IP_DONTFRAG     ***
1443         dnl **********************************
1444         AC_MSG_CHECKING(for IP_DONTFRAG)
1445         AC_TRY_COMPILE([#include <netinet/in.h>], [
1446                 int level = IP_DONTFRAG;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1451         ], [
1452                 AC_MSG_RESULT(no)
1453         ])
1454
1455         dnl **********************************
1456         dnl *** Checks for IP_DONTFRAGMENT ***
1457         dnl **********************************
1458         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1459         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1460                 int level = IP_DONTFRAGMENT;
1461         ], [
1462                 # Yes, we have it...
1463                 AC_MSG_RESULT(yes)
1464                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1465         ], [
1466                 AC_MSG_RESULT(no)
1467         ])
1468
1469         dnl **********************************
1470         dnl *** Checks for IP_MTU_DISCOVER ***
1471         dnl **********************************
1472         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1473         AC_TRY_COMPILE([#include <linux/in.h>], [
1474                 int level = IP_MTU_DISCOVER;
1475         ], [
1476                 # Yes, we have it...
1477                 AC_MSG_RESULT(yes)
1478                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1479         ], [
1480                 AC_MSG_RESULT(no)
1481         ])
1482
1483         dnl **********************************
1484         dnl *** Checks for  IP_PMTUDISC_DO ***
1485         dnl **********************************
1486         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1487         AC_TRY_COMPILE([#include <linux/in.h>], [
1488                 int level = IP_PMTUDISC_DO;
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1493         ], [
1494                 AC_MSG_RESULT(no)
1495         ])
1496
1497         dnl *********************************
1498         dnl *** Check for struct ip_mreqn ***
1499         dnl *********************************
1500         AC_MSG_CHECKING(for struct ip_mreqn)
1501         AC_TRY_COMPILE([#include <netinet/in.h>], [
1502                 struct ip_mreqn mreq;
1503                 mreq.imr_address.s_addr = 0;
1504         ], [
1505                 # Yes, we have it...
1506                 AC_MSG_RESULT(yes)
1507                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1508         ], [
1509                 # We'll just have to try and use struct ip_mreq
1510                 AC_MSG_RESULT(no)
1511                 AC_MSG_CHECKING(for struct ip_mreq)
1512                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1513                         struct ip_mreq mreq;
1514                         mreq.imr_interface.s_addr = 0;
1515                 ], [
1516                         # Yes, we have it...
1517                         AC_MSG_RESULT(yes)
1518                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1519                 ], [
1520                         # No multicast support
1521                         AC_MSG_RESULT(no)
1522                 ])
1523         ])
1524
1525         dnl **********************************
1526         dnl *** Check for getaddrinfo ***
1527         dnl **********************************
1528         AC_MSG_CHECKING(for getaddrinfo)
1529                 AC_TRY_LINK([
1530                 #include <stdio.h>
1531                 #include <netdb.h>
1532         ], [
1533                 getaddrinfo(NULL,NULL,NULL,NULL);
1534         ], [
1535                 # Yes, we have it...
1536                 AC_MSG_RESULT(yes)
1537                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1538         ], [
1539                 AC_MSG_RESULT(no)
1540         ])
1541
1542         dnl **********************************
1543         dnl *** Check for gethostbyname2_r ***
1544         dnl **********************************
1545         AC_MSG_CHECKING(for gethostbyname2_r)
1546                 AC_TRY_LINK([
1547                 #include <stdio.h>
1548                 #include <netdb.h>
1549         ], [
1550
1551                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1552         ], [
1553                 # Yes, we have it...
1554                 AC_MSG_RESULT(yes)
1555                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1556         ], [
1557                 AC_MSG_RESULT(no)
1558         ])
1559
1560         dnl **********************************
1561         dnl *** Check for gethostbyname2 ***
1562         dnl **********************************
1563         AC_MSG_CHECKING(for gethostbyname2)
1564                 AC_TRY_LINK([
1565                 #include <stdio.h>
1566                 #include <netdb.h>
1567         ], [
1568                 gethostbyname2(NULL,0);
1569         ], [
1570                 # Yes, we have it...
1571                 AC_MSG_RESULT(yes)
1572                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1573         ], [
1574                 AC_MSG_RESULT(no)
1575         ])
1576
1577         dnl **********************************
1578         dnl *** Check for gethostbyname ***
1579         dnl **********************************
1580         AC_MSG_CHECKING(for gethostbyname)
1581                 AC_TRY_LINK([
1582                 #include <stdio.h>
1583                 #include <netdb.h>
1584         ], [
1585                 gethostbyname(NULL);
1586         ], [
1587                 # Yes, we have it...
1588                 AC_MSG_RESULT(yes)
1589                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1590         ], [
1591                 AC_MSG_RESULT(no)
1592         ])
1593
1594         dnl **********************************
1595         dnl *** Check for getprotobyname ***
1596         dnl **********************************
1597         AC_MSG_CHECKING(for getprotobyname)
1598                 AC_TRY_LINK([
1599                 #include <stdio.h>
1600                 #include <netdb.h>
1601         ], [
1602                 getprotobyname(NULL);
1603         ], [
1604                 # Yes, we have it...
1605                 AC_MSG_RESULT(yes)
1606                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1607         ], [
1608                 AC_MSG_RESULT(no)
1609         ])
1610
1611         dnl **********************************
1612         dnl *** Check for getnameinfo ***
1613         dnl **********************************
1614         AC_MSG_CHECKING(for getnameinfo)
1615                 AC_TRY_LINK([
1616                 #include <stdio.h>
1617                 #include <netdb.h>
1618         ], [
1619                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1620         ], [
1621                 # Yes, we have it...
1622                 AC_MSG_RESULT(yes)
1623                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1624         ], [
1625                 AC_MSG_RESULT(no)
1626         ])
1627
1628
1629         dnl **********************************
1630         dnl *** Check for inet_ntop ***
1631         dnl **********************************
1632         AC_MSG_CHECKING(for inet_ntop)
1633                 AC_TRY_LINK([
1634                 #include <stdio.h>
1635                 #include <arpa/inet.h>
1636         ], [
1637                 inet_ntop (0, NULL, NULL, 0);
1638         ], [
1639                 # Yes, we have it...
1640                 AC_MSG_RESULT(yes)
1641                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1642         ], [
1643                 AC_MSG_RESULT(no)
1644         ])
1645
1646         dnl *****************************
1647         dnl *** Checks for libnsl     ***
1648         dnl *****************************
1649         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1650
1651         AC_CHECK_FUNCS(inet_pton inet_aton)
1652
1653         dnl *****************************
1654         dnl *** Checks for libxnet    ***
1655         dnl *****************************
1656         case "${host}" in
1657                 *solaris* )
1658                         AC_MSG_CHECKING(for Solaris XPG4 support)
1659                         if test -f /usr/lib/libxnet.so; then
1660                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1661                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1662                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1663                                 LIBS="$LIBS -lxnet"
1664                                 AC_MSG_RESULT(yes)
1665                         else
1666                                 AC_MSG_RESULT(no)
1667                         fi
1668
1669                         if test "$GCC" = "yes"; then
1670                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1671                         fi
1672                 ;;
1673         esac
1674
1675         dnl *****************************
1676         dnl *** Checks for libpthread ***
1677         dnl *****************************
1678 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1679 # and libpthread does not exist
1680 #
1681         case "${host}" in
1682                 *-*-*freebsd*)
1683                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1684                 ;;
1685                 *-*-*openbsd*)
1686                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1687                 ;;
1688                 *)
1689                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1690                 ;;
1691         esac
1692         AC_CHECK_HEADERS(pthread.h)
1693         AC_CHECK_HEADERS(pthread_np.h)
1694         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1695         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1696         AC_CHECK_FUNCS(pthread_kill)
1697         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1698         AC_TRY_COMPILE([ #include <pthread.h>], [
1699                 pthread_mutexattr_t attr;
1700                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1701         ], [
1702                 AC_MSG_RESULT(ok)
1703         ], [
1704                 AC_MSG_RESULT(no)
1705                 AC_ERROR(Posix system lacks support for recursive mutexes)
1706         ])
1707         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1708         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1709         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1710
1711         dnl **********************************
1712         dnl *** Check for mincore ***
1713         dnl **********************************
1714         AC_MSG_CHECKING(for mincore)
1715                 AC_TRY_LINK([
1716                 #include <stdio.h>
1717                 #include <sys/types.h>
1718                 #include <sys/mman.h>
1719         ], [
1720                 mincore(NULL, 0, NULL);
1721         ], [
1722                 # Yes, we have it...
1723                 AC_MSG_RESULT(yes)
1724                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1725         ], [
1726                 AC_MSG_RESULT(no)
1727         ])
1728
1729         dnl ***********************************
1730         dnl *** Checks for working __thread ***
1731         dnl ***********************************
1732         AC_MSG_CHECKING(for working __thread)
1733         if test "x$with_tls" != "x__thread"; then
1734                 AC_MSG_RESULT(disabled)
1735         elif test "x$cross_compiling" = "xyes"; then
1736                 AC_MSG_RESULT(cross compiling, assuming yes)
1737         else
1738                 AC_TRY_RUN([
1739                         #if defined(__APPLE__) && defined(__clang__)
1740                         #error "__thread does not currently work with clang on Mac OS X"
1741                         #endif
1742
1743                         #include <pthread.h>
1744                         __thread int i;
1745                         static int res1, res2;
1746
1747                         void thread_main (void *arg)
1748                         {
1749                                 i = arg;
1750                                 sleep (1);
1751                                 if (arg == 1)
1752                                         res1 = (i == arg);
1753                                 else
1754                                         res2 = (i == arg);
1755                         }
1756
1757                         int main () {
1758                                 pthread_t t1, t2;
1759
1760                                 i = 5;
1761
1762                                 pthread_create (&t1, NULL, thread_main, 1);
1763                                 pthread_create (&t2, NULL, thread_main, 2);
1764
1765                                 pthread_join (t1, NULL);
1766                                 pthread_join (t2, NULL);
1767
1768                                 return !(res1 + res2 == 2);
1769                         }
1770                 ], [
1771                                 AC_MSG_RESULT(yes)
1772                 ], [
1773                                 AC_MSG_RESULT(no)
1774                                 with_tls=pthread
1775                 ])
1776         fi
1777
1778         dnl **************************************
1779         dnl *** Checks for working sigaltstack ***
1780         dnl **************************************
1781         AC_MSG_CHECKING(for working sigaltstack)
1782         if test "x$with_sigaltstack" != "xyes"; then
1783                 AC_MSG_RESULT(disabled)
1784         elif test "x$cross_compiling" = "xyes"; then
1785                 AC_MSG_RESULT(cross compiling, assuming yes)
1786         else
1787                 AC_TRY_RUN([
1788                         #include <stdio.h>
1789                         #include <stdlib.h>
1790                         #include <unistd.h>
1791                         #include <signal.h>
1792                         #include <pthread.h>
1793                         #include <sys/wait.h>
1794                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1795                         #define SA_STACK SA_ONSTACK
1796                         #endif
1797                         static void
1798                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1799                         {
1800                                 exit (0);
1801                         }
1802
1803                         volatile char*__ptr = NULL;
1804                         static void *
1805                         loop (void *ignored)
1806                         {
1807                                 *__ptr = 0;
1808                                 return NULL;
1809                         }
1810
1811                         static void
1812                         child ()
1813                         {
1814                                 struct sigaction sa;
1815                         #ifdef __APPLE__
1816                                 stack_t sas;
1817                         #else
1818                                 struct sigaltstack sas;
1819                         #endif
1820                                 pthread_t id;
1821                                 pthread_attr_t attr;
1822
1823                                 sa.sa_sigaction = sigsegv_signal_handler;
1824                                 sigemptyset (&sa.sa_mask);
1825                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1826                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1827                                         perror ("sigaction");
1828                                         return;
1829                                 }
1830
1831                                 /* x86 darwin deliver segfaults using SIGBUS */
1832                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1833                                         perror ("sigaction");
1834                                         return;
1835                                 }
1836                                 sas.ss_sp = malloc (SIGSTKSZ);
1837                                 sas.ss_size = SIGSTKSZ;
1838                                 sas.ss_flags = 0;
1839                                 if (sigaltstack (&sas, NULL) == -1) {
1840                                         perror ("sigaltstack");
1841                                         return;
1842                                 }
1843
1844                                 pthread_attr_init (&attr);
1845                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1846                                         printf ("pthread_create\n");
1847                                         return;
1848                                 }
1849
1850                                 sleep (100);
1851                         }
1852
1853                         int
1854                         main ()
1855                         {
1856                                 pid_t son;
1857                                 int status;
1858                                 int i;
1859
1860                                 son = fork ();
1861                                 if (son == -1) {
1862                                         return 1;
1863                                 }
1864
1865                                 if (son == 0) {
1866                                         child ();
1867                                         return 0;
1868                                 }
1869
1870                                 for (i = 0; i < 300; ++i) {
1871                                         waitpid (son, &status, WNOHANG);
1872                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1873                                                 return 0;
1874                                         usleep (10000);
1875                                 }
1876
1877                                 kill (son, SIGKILL);
1878                                 return 1;
1879                         }
1880
1881                 ], [
1882                                 AC_MSG_RESULT(yes)
1883                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1884                 ], [
1885                                 with_sigaltstack=no
1886                                 AC_MSG_RESULT(no)
1887                 ])
1888         fi
1889
1890         dnl ********************************
1891         dnl *** Checks for semaphore lib ***
1892         dnl ********************************
1893         # 'Real Time' functions on Solaris
1894         # posix4 on Solaris 2.6
1895         # pthread (first!) on Linux
1896         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1897
1898         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1899         AC_CHECK_FUNCS(shm_open)
1900
1901         dnl ********************************
1902         dnl *** Checks for timezone stuff **
1903         dnl ********************************
1904         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1905                 AC_TRY_COMPILE([
1906                         #include <time.h>
1907                         ], [
1908                         struct tm tm;
1909                         tm.tm_gmtoff = 1;
1910                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1911         if test $ac_cv_struct_tm_gmtoff = yes; then
1912                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1913         else
1914                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1915                         AC_TRY_COMPILE([
1916                                 #include <time.h>
1917                         ], [
1918                                 timezone = 1;
1919                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1920                 if test $ac_cv_var_timezone = yes; then
1921                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1922                 else
1923                         AC_ERROR(unable to find a way to determine timezone)
1924                 fi
1925         fi
1926
1927         dnl *********************************
1928         dnl *** Checks for math functions ***
1929         dnl *********************************
1930         AC_SEARCH_LIBS(sqrtf, m)
1931         if test "x$has_broken_apple_cpp" != "xyes"; then
1932                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1933                         AC_TRY_LINK([#include <math.h>],
1934                         [ finite(0.0); ],
1935                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1936                         AC_MSG_RESULT(no)))
1937         fi
1938         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1939                 AC_TRY_LINK([#include <math.h>],
1940                 [ isfinite(0.0); ],
1941                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1942                 AC_MSG_RESULT(no)))
1943
1944         dnl ****************************************************************
1945         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1946         dnl *** have it in the library (duh))                            ***
1947         dnl ****************************************************************
1948         AC_CHECK_FUNCS(poll)
1949
1950         dnl *************************
1951         dnl *** Check for signbit ***
1952         dnl *************************
1953         AC_MSG_CHECKING(for signbit)
1954         AC_TRY_LINK([#include <math.h>], [
1955                 int s = signbit(1.0);
1956         ], [
1957                 AC_MSG_RESULT(yes)
1958                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1959         ], [
1960                 AC_MSG_RESULT(no)
1961         ])
1962
1963         dnl **********************************
1964         dnl *** epoll                      ***
1965         dnl **********************************
1966         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1967                 AC_CHECK_HEADERS(sys/epoll.h)
1968                 haveepoll=no
1969                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1970                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1971                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1972                 fi
1973         fi
1974
1975         havekqueue=no
1976
1977         AC_CHECK_HEADERS(sys/event.h)
1978         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1979
1980         dnl **************************************
1981         dnl * Darwin has a race that prevents us from using reliably:
1982         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1983         dnl * Since kqueue is mostly used for scaling large web servers,
1984         dnl * and very few folks run Mono on large web servers on OSX, falling
1985         dnl * back
1986         dnl **************************************
1987         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1988                 if test "x$platform_darwin" = "xno"; then
1989                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1990                 fi
1991         fi
1992
1993         dnl ******************************
1994         dnl *** Checks for SIOCGIFCONF ***
1995         dnl ******************************
1996         AC_CHECK_HEADERS(sys/ioctl.h)
1997         AC_CHECK_HEADERS(net/if.h, [], [],
1998            [
1999            #ifdef HAVE_SYS_TYPES_H
2000            # include <sys/types.h>
2001            #endif
2002            #ifdef HAVE_SYS_SOCKET_H
2003            # include <sys/socket.h>
2004            #endif
2005            ])
2006         AC_MSG_CHECKING(for ifreq)
2007         AC_TRY_COMPILE([
2008                 #include <stdio.h>
2009                 #include <sys/ioctl.h>
2010                 #include <net/if.h>
2011                 ], [
2012                 struct ifconf ifc;
2013                 struct ifreq *ifr;
2014                 void *x;
2015                 ifc.ifc_len = 0;
2016                 ifc.ifc_buf = NULL;
2017                 x = (void *) &ifr->ifr_addr;
2018                 ],[
2019                         AC_MSG_RESULT(yes)
2020                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2021                 ], [
2022                         AC_MSG_RESULT(no)
2023                 ])
2024         dnl **********************************
2025         dnl ***     Checks for sin_len     ***
2026         dnl **********************************
2027         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2028         AC_TRY_COMPILE([
2029                 #include <netinet/in.h>
2030                 ], [
2031                 struct sockaddr_in saddr;
2032                 saddr.sin_len = sizeof (saddr);
2033                 ],[
2034                         AC_MSG_RESULT(yes)
2035                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2036                 ], [
2037                         AC_MSG_RESULT(no)
2038                 ])
2039         dnl **********************************
2040         dnl ***    Checks for sin6_len     ***
2041         dnl **********************************
2042         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2043         AC_TRY_COMPILE([
2044                 #include <netinet/in.h>
2045                 ], [
2046                 struct sockaddr_in6 saddr6;
2047                 saddr6.sin6_len = sizeof (saddr6);
2048                 ],[
2049                         AC_MSG_RESULT(yes)
2050                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2051                 ], [
2052                         AC_MSG_RESULT(no)
2053                 ])
2054         dnl **********************************
2055         dnl *** Check for getifaddrs       ***
2056         dnl **********************************
2057         AC_MSG_CHECKING(for getifaddrs)
2058                 AC_TRY_LINK([
2059                 #include <stdio.h>
2060                 #include <sys/types.h>
2061                 #include <sys/socket.h>
2062                 #include <ifaddrs.h>
2063         ], [
2064                 getifaddrs(NULL);
2065         ], [
2066                 # Yes, we have it...
2067                 AC_MSG_RESULT(yes)
2068                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2069         ], [
2070                 AC_MSG_RESULT(no)
2071         ])
2072         dnl **********************************
2073         dnl *** Check for if_nametoindex   ***
2074         dnl **********************************
2075         AC_MSG_CHECKING(for if_nametoindex)
2076                 AC_TRY_LINK([
2077                 #include <stdio.h>
2078                 #include <sys/types.h>
2079                 #include <sys/socket.h>
2080                 #include <net/if.h>
2081         ], [
2082                 if_nametoindex(NULL);
2083         ], [
2084                 # Yes, we have it...
2085                 AC_MSG_RESULT(yes)
2086                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2087         ], [
2088                 AC_MSG_RESULT(no)
2089         ])
2090
2091         dnl **********************************
2092         dnl *** Checks for MonoPosixHelper ***
2093         dnl **********************************
2094         AC_CHECK_HEADERS(checklist.h)
2095         AC_CHECK_HEADERS(pathconf.h)
2096         AC_CHECK_HEADERS(fstab.h)
2097         AC_CHECK_HEADERS(attr/xattr.h)
2098         AC_CHECK_HEADERS(sys/extattr.h)
2099         AC_CHECK_HEADERS(sys/sendfile.h)
2100         AC_CHECK_HEADERS(sys/statvfs.h)
2101         AC_CHECK_HEADERS(sys/statfs.h)
2102         AC_CHECK_HEADERS(sys/vfstab.h)
2103         AC_CHECK_HEADERS(sys/xattr.h)
2104         AC_CHECK_HEADERS(sys/mman.h)
2105         AC_CHECK_HEADERS(sys/param.h)
2106         AC_CHECK_HEADERS(sys/mount.h, [], [],
2107                 [
2108                 #ifdef HAVE_SYS_PARAM_H
2109                 # include <sys/param.h>
2110                 #endif
2111                 ])
2112         AC_CHECK_HEADERS(sys/mount.h)
2113         AC_CHECK_FUNCS(confstr)
2114         AC_CHECK_FUNCS(seekdir telldir)
2115         AC_CHECK_FUNCS(getdomainname)
2116         AC_CHECK_FUNCS(setdomainname)
2117         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2118         AC_CHECK_FUNCS(setgroups)
2119         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2120         AC_CHECK_FUNCS(getfsstat)
2121         AC_CHECK_FUNCS(lutimes futimes)
2122         AC_CHECK_FUNCS(mremap)
2123         AC_CHECK_FUNCS(remap_file_pages)
2124         AC_CHECK_FUNCS(posix_fadvise)
2125         AC_CHECK_FUNCS(posix_fallocate)
2126         AC_CHECK_FUNCS(posix_madvise)
2127         AC_CHECK_FUNCS(vsnprintf)
2128         AC_CHECK_FUNCS(sendfile)
2129         AC_CHECK_FUNCS(gethostid sethostid)
2130         AC_CHECK_FUNCS(sethostname)
2131         AC_CHECK_FUNCS(statfs)
2132         AC_CHECK_FUNCS(fstatfs)
2133         AC_CHECK_FUNCS(statvfs)
2134         AC_CHECK_FUNCS(fstatvfs)
2135         AC_CHECK_FUNCS(stime)
2136         AC_CHECK_FUNCS(strerror_r)
2137         AC_CHECK_FUNCS(ttyname_r)
2138         AC_CHECK_FUNCS(psignal)
2139         AC_CHECK_FUNCS(getlogin_r)
2140         AC_CHECK_FUNCS(lockf)
2141         AC_CHECK_FUNCS(swab)
2142         AC_CHECK_FUNCS(setusershell endusershell)
2143         AC_CHECK_FUNCS(futimens utimensat)
2144         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2145         AC_CHECK_FUNCS(readv writev preadv pwritev)
2146         AC_CHECK_FUNCS(setpgid)
2147         AC_CHECK_SIZEOF(size_t)
2148         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2149                 [#include <sys/types.h>
2150                  #include <sys/stat.h>
2151                  #include <unistd.h>])
2152         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2153                 [#include <sys/types.h>
2154                  #include <sys/stat.h>
2155                  #include <unistd.h>])
2156         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2157                 [#include <sys/time.h>])
2158         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2159                 [#include <unistd.h>
2160                  #include <fcntl.h>])
2161         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2162                 [#include <sys/uio.h>])
2163         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2164                 [#include <sys/poll.h>])
2165         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2166                 [#include <sys/types.h>
2167                  #include <sys/stat.h>
2168                  #include <unistd.h>])
2169         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2170                 [#include <time.h>])
2171         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2172                 [#include <sys/time.h>
2173                  #include <sys/types.h>
2174                  #include <utime.h>])
2175         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2176                 [#include <sys/time.h>])
2177         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2178                 [#include <sys/types.h>
2179                  #include <utime.h>])
2180         AC_CHECK_MEMBERS(
2181                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2182                 [#include <sys/types.h>
2183                  #include <dirent.h>])
2184         AC_CHECK_MEMBERS(
2185                 [struct passwd.pw_gecos],,,
2186                 [#include <sys/types.h>
2187                  #include <pwd.h>])
2188         AC_CHECK_MEMBERS(
2189                 [struct statfs.f_flags],,,
2190                 [#include <sys/types.h>
2191                  #include <sys/vfs.h>])
2192         AC_CHECK_MEMBERS(
2193                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2194                 [#include <sys/types.h>
2195                  #include <sys/stat.h>
2196                  #include <unistd.h>])
2197
2198         dnl Favour xattr through glibc, but use libattr if we have to
2199         AC_CHECK_FUNC(lsetxattr, ,
2200                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2201         )
2202         AC_SUBST(XATTR_LIB)
2203
2204         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2205         AC_CHECK_MEMBERS(
2206                 [struct kinfo_proc.kp_proc],,,
2207                 [#include <sys/types.h>
2208                  #include <sys/param.h>
2209                  #include <sys/sysctl.h>
2210                  #include <sys/proc.h>
2211                  ])
2212
2213         dnl *********************************
2214         dnl *** Checks for Windows compilation ***
2215         dnl *********************************
2216         AC_CHECK_HEADERS(sys/time.h)
2217         AC_CHECK_HEADERS(sys/param.h)
2218         AC_CHECK_HEADERS(dirent.h)
2219
2220         dnl ******************************************
2221         dnl *** Checks for OSX and iOS compilation ***
2222         dnl ******************************************
2223         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2224
2225         dnl *********************************
2226         dnl *** Check for Console 2.0 I/O ***
2227         dnl *********************************
2228         AC_CHECK_HEADERS([curses.h])
2229         AC_CHECK_HEADERS([term.h], [], [],
2230         [#if HAVE_CURSES_H
2231          #include <curses.h>
2232          #endif
2233         ])
2234         AC_CHECK_HEADERS([termios.h])
2235
2236         dnl * This is provided in io-layer, but on windows it's only available
2237         dnl * on xp+
2238         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2239 else
2240         dnl *********************************
2241         dnl *** Checks for Windows compilation ***
2242         dnl *********************************
2243         AC_CHECK_HEADERS(winternl.h)
2244
2245         jdk_headers_found=no
2246         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2247         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2248         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2249         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2250         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2251         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2252         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2253
2254         dnl *********************************
2255         dnl *** Check for struct ip_mreqn ***
2256         dnl *********************************
2257         AC_MSG_CHECKING(for struct ip_mreqn)
2258         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2259                 struct ip_mreqn mreq;
2260                 mreq.imr_address.s_addr = 0;
2261         ], [
2262                 # Yes, we have it...
2263                 AC_MSG_RESULT(yes)
2264                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2265         ], [
2266                 # We'll just have to try and use struct ip_mreq
2267                 AC_MSG_RESULT(no)
2268                 AC_MSG_CHECKING(for struct ip_mreq)
2269                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2270                         struct ip_mreq mreq;
2271                         mreq.imr_interface.s_addr = 0;
2272                 ], [
2273                         # Yes, we have it...
2274                         AC_MSG_RESULT(yes)
2275                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2276                 ], [
2277                         # No multicast support
2278                         AC_MSG_RESULT(no)
2279                 ])
2280         ])
2281
2282         dnl **********************************
2283         dnl *** Check for getaddrinfo ***
2284         dnl **********************************
2285         AC_MSG_CHECKING(for getaddrinfo)
2286                 AC_TRY_LINK([
2287                 #include <stdio.h>
2288                 #include <winsock2.h>
2289                 #include <ws2tcpip.h>
2290         ], [
2291                 getaddrinfo(NULL,NULL,NULL,NULL);
2292         ], [
2293                 # Yes, we have it...
2294                 AC_MSG_RESULT(yes)
2295                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2296         ], [
2297                 AC_MSG_RESULT(no)
2298         ])
2299
2300         dnl **********************************
2301         dnl *** Check for gethostbyname ***
2302         dnl **********************************
2303         AC_MSG_CHECKING(for gethostbyname)
2304                 AC_TRY_LINK([
2305                 #include <stdio.h>
2306                 #include <winsock2.h>
2307                 #include <ws2tcpip.h>
2308         ], [
2309                 gethostbyname(NULL);
2310         ], [
2311                 # Yes, we have it...
2312                 AC_MSG_RESULT(yes)
2313                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2314         ], [
2315                 AC_MSG_RESULT(no)
2316         ])
2317
2318         dnl **********************************
2319         dnl *** Check for getprotobyname ***
2320         dnl **********************************
2321         AC_MSG_CHECKING(for getprotobyname)
2322                 AC_TRY_LINK([
2323                 #include <stdio.h>
2324                 #include <winsock2.h>
2325                 #include <ws2tcpip.h>
2326         ], [
2327                 getprotobyname(NULL);
2328         ], [
2329                 # Yes, we have it...
2330                 AC_MSG_RESULT(yes)
2331                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2332         ], [
2333                 AC_MSG_RESULT(no)
2334         ])
2335
2336         dnl **********************************
2337         dnl *** Check for getnameinfo ***
2338         dnl **********************************
2339         AC_MSG_CHECKING(for getnameinfo)
2340                 AC_TRY_LINK([
2341                 #include <stdio.h>
2342                 #include <winsock2.h>
2343                 #include <ws2tcpip.h>
2344         ], [
2345                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2346         ], [
2347                 # Yes, we have it...
2348                 AC_MSG_RESULT(yes)
2349                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2350         ], [
2351                 AC_MSG_RESULT(no)
2352         ])
2353
2354         dnl **********************************
2355         dnl *** Check for inet_ntop ***
2356         dnl **********************************
2357         AC_MSG_CHECKING(for inet_ntop)
2358                 AC_TRY_LINK([
2359                 #include <stdio.h>
2360                 #include <winsock2.h>
2361                 #include <ws2tcpip.h>
2362         ], [
2363                 inet_ntop (0, NULL, NULL, 0);
2364         ], [
2365                 # Yes, we have it...
2366                 AC_MSG_RESULT(yes)
2367                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2368         ], [
2369                 AC_MSG_RESULT(no)
2370         ])
2371
2372         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2373         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2374         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2375         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2376         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2377         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2378         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2379
2380         AC_MSG_CHECKING(for GetProcessId)
2381         AC_TRY_COMPILE([#include <windows.h>], [
2382                 GetProcessId (0);
2383         ], [
2384            AC_MSG_RESULT(yes)
2385            AC_DEFINE(HAVE_GETPROCESSID)
2386         ], [
2387            AC_MSG_RESULT(no)
2388         ])
2389 fi
2390
2391 dnl socklen_t check
2392 AC_MSG_CHECKING(for socklen_t)
2393 AC_TRY_COMPILE([
2394 #include <sys/types.h>
2395 #include <sys/socket.h>
2396 ],[
2397   socklen_t foo;
2398 ],[
2399 ac_cv_c_socklen_t=yes
2400         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2401         AC_MSG_RESULT(yes)
2402 ],[
2403         AC_MSG_RESULT(no)
2404 ])
2405
2406 AC_MSG_CHECKING(for array element initializer support)
2407 AC_TRY_COMPILE([#include <sys/socket.h>], [
2408         const int array[] = {[1] = 2,};
2409 ], [
2410         # Yes, we have it...
2411         AC_MSG_RESULT(yes)
2412         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2413 ], [
2414         # We'll have to use signals
2415         AC_MSG_RESULT(no)
2416 ])
2417
2418 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2419         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2420         AC_TRY_LINK([#include <math.h>],
2421         [ static void *p = &trunc; ],
2422         [
2423                 AC_DEFINE(HAVE_TRUNC)
2424                 AC_MSG_RESULT(yes)
2425                 ac_cv_trunc=yes
2426         ],
2427         AC_MSG_RESULT(no)))
2428
2429 if test "x$ac_cv_truncl" != "xyes"; then
2430    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2431 fi
2432
2433 AC_CHECK_FUNCS(round)
2434 AC_CHECK_FUNCS(rint)
2435 AC_CHECK_FUNCS(execvp)
2436
2437 dnl ****************************
2438 dnl *** Look for /dev/random ***
2439 dnl ****************************
2440
2441 AC_MSG_CHECKING([if usage of random device is requested])
2442 AC_ARG_ENABLE(dev-random,
2443 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2444 try_dev_random=$enableval, try_dev_random=yes)
2445
2446 AC_MSG_RESULT($try_dev_random)
2447
2448 case "{$build}" in
2449     *-openbsd*)
2450     NAME_DEV_RANDOM="/dev/srandom"
2451     ;;
2452
2453 dnl Win32 does not have /dev/random, they have their own method...
2454
2455     *-mingw*|*-*-cygwin*)
2456     ac_cv_have_dev_random=no
2457     ;;
2458
2459 dnl Everywhere else, it's /dev/random
2460
2461     *)
2462     NAME_DEV_RANDOM="/dev/random"
2463     ;;
2464 esac
2465
2466 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2467
2468 dnl Now check if the device actually exists
2469
2470 if test "x$try_dev_random" = "xyes"; then
2471     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2472     [if test -r "$NAME_DEV_RANDOM" ; then
2473         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2474     if test "x$ac_cv_have_dev_random" = "xyes"; then
2475         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2476     fi
2477 else
2478     AC_MSG_CHECKING(for random device)
2479     ac_cv_have_dev_random=no
2480     AC_MSG_RESULT(has been disabled)
2481 fi
2482
2483 if test "x$host_win32" = "xyes"; then
2484     AC_DEFINE(HAVE_CRYPT_RNG)
2485 fi
2486
2487 if test "x$ac_cv_have_dev_random" = "xno" \
2488     && test "x$host_win32" = "xno"; then
2489     AC_MSG_WARN([[
2490 ***
2491 *** A system-provided entropy source was not found on this system.
2492 *** Because of this, the System.Security.Cryptography random number generator
2493 *** will throw a NotImplemented exception.
2494 ***
2495 *** If you are seeing this message, and you know your system DOES have an
2496 *** entropy collection in place, please contact <crichton@gimp.org> and
2497 *** provide information about the system and how to access the random device.
2498 ***
2499 *** Otherwise you can install either egd or prngd and set the environment
2500 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2501 ***]])
2502 fi
2503
2504 AC_MSG_CHECKING([if inter-process shared handles are requested])
2505 # Same as --enable-minimal=shared_handles
2506 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2507 AC_MSG_RESULT($try_shared_handles)
2508 if test "x$try_shared_handles" != "xyes"; then
2509         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2510         AC_SUBST(DISABLE_SHARED_HANDLES)
2511 fi
2512
2513 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2514
2515 AC_ARG_ENABLE(perf-events, [  --disable-perf-events Disable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=yes)
2516 if test "x$test_perf_events" != "xyes"; then
2517         AC_DEFINE(DISABLE_PERF_EVENTS, 1, [Disable using `perf` for profiling on Linux])
2518         AC_SUBST(DISABLE_PERF_EVENTS)
2519 fi
2520
2521 AC_MSG_CHECKING([if big-arrays are to be enabled])
2522 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2523 if test "x$enable_big_arrays" = "xyes" ; then
2524     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2525         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2526     else
2527         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2528     fi
2529 fi
2530 AC_MSG_RESULT($enable_big_arrays)
2531
2532 dnl **************
2533 dnl *** DTRACE ***
2534 dnl **************
2535
2536 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2537
2538 if test "x$enable_dtrace" = "xyes"; then
2539    if test "x$has_dtrace" = "xno"; then
2540           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2541    fi
2542    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2543    if test "x$DTRACE" = "xno"; then
2544           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2545           enable_dtrace=no
2546    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2547           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2548           enable_dtrace=no
2549    fi
2550 fi
2551
2552 dtrace_g=no
2553 if test "x$enable_dtrace" = "xyes"; then
2554         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2555         DTRACEFLAGS=
2556         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2557                 case "$host" in
2558                         powerpc-*-darwin*)
2559                         DTRACEFLAGS="-arch ppc64"
2560                         ;;
2561                         i*86-*-darwin*)
2562                         DTRACEFLAGS="-arch x86_64"
2563                         ;;
2564                         *)
2565                         DTRACEFLAGS=-64
2566                         ;;
2567                 esac
2568         else
2569                 case "$host" in
2570                         powerpc-*-darwin*)
2571                         DTRACEFLAGS="-arch ppc"
2572                         ;;
2573                         i*86-*-darwin*)
2574                         DTRACEFLAGS="-arch i386"
2575                         ;;
2576                         *)
2577                         DTRACEFLAGS=-32
2578                         ;;
2579                 esac
2580         fi
2581         AC_SUBST(DTRACEFLAGS)
2582         case "$host" in
2583                 *-*-solaris*)
2584                 dtrace_g=yes
2585                 ;;
2586         esac
2587         AC_CHECK_HEADERS([sys/sdt.h])
2588 fi
2589 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2590 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2591
2592 dnl **************
2593 dnl ***  NaCl  ***
2594 dnl **************
2595
2596 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2597 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2598
2599 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2600
2601 dnl
2602 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2603 dnl
2604 nacl_self_host=""
2605 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2606    nacl_self_host="nacl_self_host"
2607 fi
2608 AC_SUBST(nacl_self_host)
2609
2610 if test "x$enable_nacl_codegen" = "xyes"; then
2611    MONO_NACL_ALIGN_MASK_OFF=1
2612    AC_DEFINE(TARGET_NACL, 1, [...])
2613    AC_DEFINE(__native_client_codegen__, 1, [...])
2614 else
2615    MONO_NACL_ALIGN_MASK_OFF=0
2616    AC_DEFINE(__default_codegen__, 1, [...])
2617 fi
2618 if test "x$enable_nacl_gc" = "xyes"; then
2619    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2620       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2621    else
2622       # Not yet implemented
2623       INSTRUMENT_CFLAG=""
2624    fi
2625    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2626 fi
2627 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2628
2629 dnl **************
2630 dnl ***  LLVM  ***
2631 dnl **************
2632
2633 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2634 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2635 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2636
2637 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2638
2639 if test "x$enable_llvm" = "xyes"; then
2640    if test "x$with_llvm" != "x"; then
2641           LLVM_CONFIG=$with_llvm/bin/llvm-config
2642           if test x$target_win32 = xyes; then
2643                 LLVM_CONFIG=$LLVM_CONFIG.exe
2644           fi
2645           if test ! -x $LLVM_CONFIG; then
2646                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2647       fi
2648    else
2649       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2650       if test "x$LLVM_CONFIG" = "xno"; then
2651              AC_MSG_ERROR([llvm-config not found.])
2652       fi
2653    fi
2654
2655    llvm_codegen="x86codegen"
2656    case "$target" in
2657    arm*)
2658                 llvm_codegen="armcodegen"
2659                 ;;
2660    esac
2661
2662    if test "x$target_win32" = "xno"; then
2663
2664    # The output of --cflags seems to include optimizations flags too
2665    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2666    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2667    # from LLVM classes.
2668    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2669    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2670    # This might include empty lines
2671    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2672    if test "x$host" != "x$target"; then
2673       # No need for jit libs
2674       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2675    else
2676       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2677    fi
2678    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2679
2680    expected_llvm_version="3.4svn-mono-mono/e656cac"
2681
2682    # Should be something like '2.6' or '2.7svn'
2683    llvm_version=`$LLVM_CONFIG --version`
2684    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2685    AC_MSG_CHECKING(LLVM version)
2686    AC_MSG_RESULT($llvm_version)
2687    if echo $llvm_version | grep -q 'mono'; then
2688           if test "x$enable_llvm_version_check" == "xyes"; then
2689                  if test "$llvm_version" != "$expected_llvm_version"; then
2690                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2691                  fi
2692           fi
2693    else
2694           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2695    fi
2696
2697    else
2698        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2699        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2700        LLVM_LDFLAGS="-L$with_llvm/lib"
2701        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2702        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2703          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2704          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2705          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2706          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2707          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2708          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2709          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2710          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2711          -lLLVMSupport -lstdc++"
2712        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2713
2714        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2715        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2716    fi
2717
2718    if test "x$llvm_api_version" = "x"; then
2719           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2720           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2721    else
2722           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2723           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2724    fi
2725
2726    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2727
2728    AC_SUBST(LLVM_CFLAGS)
2729    AC_SUBST(LLVM_CXXFLAGS)
2730    AC_SUBST(LLVM_LIBS)
2731    AC_SUBST(LLVM_LDFLAGS)
2732    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2733 fi
2734
2735 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2736 if test "x$enable_loadedllvm" = "xyes"; then
2737    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2738 fi
2739 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2740
2741 TARGET="unknown"
2742 ACCESS_UNALIGNED="yes"
2743
2744 LIBC="libc.so.6"
2745 INTL="libc.so.6"
2746 SQLITE="libsqlite.so.0"
2747 SQLITE3="libsqlite3.so.0"
2748 X11="libX11.so"
2749 GDKX11="libgdk-x11-2.0.so.0"
2750 GTKX11="libgtk-x11-2.0.so.0"
2751 XINERAMA="libXinerama.so.1"
2752
2753 sizeof_register="SIZEOF_VOID_P"
2754
2755 jit_wanted=true
2756 sgen_supported=false
2757 boehm_supported=true
2758 case "$host" in
2759         mips*)
2760                 TARGET=MIPS;
2761                 arch_target=mips;
2762                 sgen_supported=true
2763                 ACCESS_UNALIGNED="no"
2764
2765                 AC_MSG_CHECKING(for mips n32)
2766                 AC_TRY_COMPILE([],[
2767                 #if _MIPS_SIM != _ABIN32
2768                 #error Not mips n32
2769                 #endif
2770                 return 0;
2771                 ],[
2772                 AC_MSG_RESULT(yes)
2773                 sizeof_register=8
2774                 ],[
2775                 AC_MSG_RESULT(no)
2776                 ])
2777                 ;;
2778         i*86-*-*)
2779                 TARGET=X86;
2780                 arch_target=x86;
2781                 case $host_os in
2782                   solaris*)
2783                         LIBC="libc.so"
2784                         INTL="libintl.so"
2785                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2786                                 TARGET=AMD64
2787                                 arch_target=amd64
2788                         fi
2789
2790                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2791                         # int astruct __attribute__ ((visibility ("hidden")));
2792                         # void foo ()
2793                         # {
2794                         #       void *p = &astruct;
2795                         # }
2796                         # gcc -fPIC --shared -o libfoo.so foo.c
2797                         # yields:
2798                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2799                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2800                         have_visibility_hidden=no
2801                         sgen_supported=true
2802                         ;;
2803                   mingw*|cygwin*)
2804                         sgen_supported=true
2805                         have_visibility_hidden=no
2806                         ;;
2807                   haiku*)
2808                         LIBC=libroot.so
2809                         ;;
2810                   linux*)
2811                         sgen_supported=true
2812                         AOT_SUPPORTED="yes"
2813                         ;;
2814                   darwin*)
2815                         sgen_supported=true
2816                         AOT_SUPPORTED="yes"
2817                         ;;
2818                   openbsd*|freebsd*|kfreebsd-gnu*)
2819                         sgen_supported=true
2820                         ;;
2821                 esac
2822                 ;;
2823         x86_64-*-* | amd64-*-*)
2824                 TARGET=AMD64;
2825                 arch_target=amd64;
2826                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2827                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2828                         sizeof_register=8
2829                 fi
2830                 case $host_os in
2831                   linux*)
2832                         sgen_supported=true
2833                         AOT_SUPPORTED="yes"
2834                         ;;
2835                   darwin*)
2836                         sgen_supported=true
2837                         AOT_SUPPORTED="yes"
2838                         ;;
2839                   openbsd*|freebsd*|kfreebsd-gnu*)
2840                         sgen_supported=true
2841                         ;;
2842                   mingw*)
2843                         sgen_supported=true
2844                         ;;
2845                 esac
2846                 case "$host" in
2847                         x86_64-*-nacl*)
2848                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2849                                 sizeof_register=8
2850                                 ;;
2851                 esac
2852                 ;;
2853         ia64-*-*)
2854                 TARGET=IA64
2855                 arch_target=ia64
2856                 ACCESS_UNALIGNED="no"
2857                 LIBC="libc.so.6.1"
2858                 INTL="libc.so.6.1"
2859                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2860                 libmono_ldflags="-lunwind"
2861                 ;;
2862         sparc*-*-*)
2863                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2864                    TARGET=SPARC64
2865                 else
2866                         TARGET=SPARC
2867                 fi
2868                 arch_target=sparc;
2869                 ACCESS_UNALIGNED="no"
2870                 case $host_os in
2871                   linux*) ;;
2872                   *)
2873                         LIBC="libc.so"
2874                         INTL="libintl.so"
2875                 esac
2876                 if test x"$GCC" = xyes; then
2877                         # We don't support v8 cpus
2878                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2879                 fi
2880                 if test x"$AR" = xfalse; then
2881                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2882                 fi
2883                 sgen_supported=true
2884                 ;;
2885         *-mingw*|*-*-cygwin*)
2886                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2887                 have_visibility_hidden=no
2888                 INTL="intl"
2889                 ;;
2890         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2891         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2892                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2893                         TARGET=POWERPC64;
2894                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2895                         CFLAGS="$CFLAGS -mminimal-toc"
2896                 else
2897                         TARGET=POWERPC;
2898                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2899                 fi
2900                 arch_target=ppc;
2901                 case $host_os in
2902                   linux*|darwin*)
2903                         sgen_supported=true
2904                         ;;
2905                 esac
2906                 ;;
2907         arm*-darwin*)
2908                 TARGET=ARM;
2909                 arch_target=arm;
2910                 ACCESS_UNALIGNED="no"
2911                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2912                 sgen_supported=true
2913                 ;;
2914         arm*-linux*)
2915                 TARGET=ARM;
2916                 arch_target=arm;
2917                 ACCESS_UNALIGNED="no"
2918                 sgen_supported=true
2919                 AOT_SUPPORTED="yes"
2920                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2921                 ;;
2922 # TODO: make proper support for NaCl host.
2923 #        arm*-*nacl)
2924 #               TARGET=ARM;
2925 #               arch_target=arm;
2926 #               ACCESS_UNALIGNED="no"
2927 #               sgen_supported=true
2928 #               AOT_SUPPORTED="no"
2929 #               ;;
2930         aarch64-*)
2931                 # https://lkml.org/lkml/2012/7/15/133
2932                 TARGET=ARM64
2933                 arch_target=arm64
2934                 sgen_supported=true
2935                 boehm_supported=false
2936                 ;;
2937         s390x-*-linux*)
2938                 TARGET=S390X;
2939                 arch_target=s390x;
2940                 ACCESS_UNALIGNED="yes"
2941                 sgen_supported=true
2942                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2943                 ;;
2944 esac
2945
2946 HOST=$TARGET
2947
2948 if test "x$host" != "x$target"; then
2949    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2950    enable_mcs_build=no
2951    case "$target" in
2952    arm*-darwin*)
2953                 TARGET=ARM;
2954                 arch_target=arm;
2955                 ACCESS_UNALIGNED="no"
2956                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2957                 # Can't use tls, since it depends on the runtime detection of tls offsets
2958                 # in mono-compiler.h
2959                 with_tls=pthread
2960                 ;;
2961    powerpc64-ps3-linux-gnu)
2962                 TARGET=POWERPC64
2963                 arch_target=powerpc64
2964                 AC_DEFINE(TARGET_PS3, 1, [...])
2965                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2966                 # uses this define
2967                 AC_DEFINE(__mono_ppc64__, 1, [...])
2968                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2969                 sizeof_register=8
2970                 target_byte_order=G_BIG_ENDIAN
2971                 ;;
2972    powerpc64-xbox360-linux-gnu)
2973                 TARGET=POWERPC64
2974                 arch_target=powerpc64
2975                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2976                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2977                 # uses this define
2978                 sizeof_register=8
2979                 target_byte_order=G_BIG_ENDIAN
2980                 ;;
2981    x86_64-*-nacl)
2982                 TARGET=AMD64
2983                 arch_target=amd64
2984                 AC_DEFINE(TARGET_AMD64, 1, [...])
2985                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2986                 sizeof_register=8
2987                 ;;
2988 # TODO: make proper support for NaCl target.
2989 #   arm*-*nacl)
2990 #               TARGET=ARM
2991 #               arch_target=arm
2992 #               AC_DEFINE(TARGET_ARM, 1, [...])
2993 #               ACCESS_UNALIGNED="no"
2994 #               sizeof_register=4
2995 #               CPPFLAGS="$CPPFLAGS \
2996 #                    -D__ARM_EABI__ \
2997 #                    -D__arm__ \
2998 #                    -D__portable_native_client__ \
2999 #                    -Dtimezone=_timezone \
3000 #                    -DDISABLE_SOCKETS \
3001 #                    -DDISABLE_ATTACH \
3002 #                    -DUSE_NEWLIB"
3003                 # Can't use tls, since it depends on the runtime detection of tls offsets
3004                 # in mono-compiler.h
3005 #               with_tls=pthread
3006 #               ;;
3007    i686-*-nacl)
3008                 TARGET=X86
3009                 arch_target=x86
3010                 AC_DEFINE(TARGET_X86, 1, [...])
3011                 sizeof_register=4
3012                 ;;
3013    arm*-linux-*)
3014                 TARGET=ARM;
3015                 arch_target=arm;
3016                 AC_DEFINE(TARGET_ARM, 1, [...])
3017                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3018                 ACCESS_UNALIGNED="no"
3019                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3020                 # Can't use tls, since it depends on the runtime detection of tls offsets
3021                 # in mono-compiler.h
3022                 with_tls=pthread
3023                 target_mach=no
3024                 case "$target" in
3025                 armv7l-unknown-linux-gnueabi*)
3026                         # TEGRA
3027                         CPPFLAGS="$CPPFLAGS"
3028                         ;;
3029                 armv5-*-linux-androideabi*)
3030                         CPPFLAGS="$CPPFLAGS"
3031                         ;;
3032                 esac
3033                 ;;
3034    i686*-linux-*)
3035                 TARGET=X86;
3036                 arch_target=x86;
3037                 AC_DEFINE(TARGET_X86, 1, [...])
3038                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3039                 CPPFLAGS="$CPPFLAGS"
3040                 sgen_supported=true
3041                 # Can't use tls, since it depends on the runtime detection of tls offsets
3042                 # in mono-compiler.h
3043                 with_tls=pthread
3044                 target_mach=no
3045                 ;;
3046    x86_64*-linux-*)
3047                 TARGET=AMD64;
3048                 arch_target=amd64;
3049                 AC_DEFINE(TARGET_AMD64, 1, [...])
3050                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3051                 CPPFLAGS="$CPPFLAGS"
3052                 sgen_supported=true
3053                 # Can't use tls, since it depends on the runtime detection of tls offsets
3054                 # in mono-compiler.h
3055                 with_tls=pthread
3056                 target_mach=no
3057                 ;;
3058    aarch64*-linux-*)
3059                 TARGET=ARM64;
3060                 arch_target=arm64;
3061                 AC_DEFINE(TARGET_ARM64, 1, [...])
3062                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3063                 CPPFLAGS="$CPPFLAGS"
3064                 # Can't use tls, since it depends on the runtime detection of tls offsets
3065                 # in mono-compiler.h
3066                 with_tls=pthread
3067                 target_mach=no
3068                 ;;
3069         aarch64-*)
3070                 TARGET=ARM64
3071                 ;;
3072         *)
3073                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3074         esac
3075 fi
3076
3077 case "$TARGET" in
3078 X86)
3079         AC_DEFINE(TARGET_X86, 1, [...])
3080         ;;
3081 AMD64)
3082         AC_DEFINE(TARGET_AMD64, 1, [...])
3083         ;;
3084 ARM)
3085         AC_DEFINE(TARGET_ARM, 1, [...])
3086         ;;
3087 ARM64)
3088         AC_DEFINE(TARGET_ARM64, 1, [...])
3089         ;;
3090 POWERPC)
3091         AC_DEFINE(TARGET_POWERPC, 1, [...])
3092         ;;
3093 POWERPC64)
3094         AC_DEFINE(TARGET_POWERPC, 1, [...])
3095         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3096         ;;
3097 S390X)
3098         AC_DEFINE(TARGET_S390X, 1, [...])
3099         ;;
3100 MIPS)
3101         AC_DEFINE(TARGET_MIPS, 1, [...])
3102         ;;
3103 IA64)
3104         AC_DEFINE(TARGET_IA64, 1, [...])
3105         ;;
3106 SPARC)
3107         AC_DEFINE(TARGET_SPARC, 1, [...])
3108         ;;
3109 SPARC64)
3110         AC_DEFINE(TARGET_SPARC64, 1, [...])
3111         ;;
3112 esac
3113
3114 dnl *************
3115 dnl *** VTUNE ***
3116 dnl *************
3117
3118 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3119 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3120
3121 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3122
3123 if test "x$enable_vtune" = "xyes"; then
3124         if test "x$with_vtune" = "x"; then
3125                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3126         else
3127                 VTUNE_PATH=$with_vtune
3128         fi
3129         VTUNE_INCLUDE=$VTUNE_PATH/include
3130         case "$TARGET" in
3131         X86)
3132                 VTUNE_LIB=$VTUNE_PATH/lib32
3133                 ;;
3134         AMD64)
3135                 VTUNE_LIB=$VTUNE_PATH/lib64
3136                 ;;
3137         *)
3138                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3139                 ;;
3140         esac
3141         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3142                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3143         fi
3144         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3145                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3146         fi
3147
3148         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3149         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3150
3151         AC_SUBST(VTUNE_LIBS)
3152         AC_SUBST(VTUNE_CFLAGS)
3153 fi
3154 dnl Use GCC atomic ops if they work on the target.
3155 if test x$GCC = "xyes"; then
3156         case $TARGET in
3157         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3158                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3159                 ;;
3160         esac
3161 fi
3162
3163 if test "x$target_mach" = "xyes"; then
3164    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3165           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3166           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3167           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3168    else
3169        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3170        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3171        #error fail this for ios
3172        #endif
3173        return 0;
3174        ], [
3175                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3176           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3177           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3178        ], [
3179           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3180           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3181           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3182        ])
3183         fi
3184    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3185 fi
3186
3187 if test "x$sizeof_register" = "x4"; then
3188    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3189 elif test "x$sizeof_register" = "x8"; then
3190    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3191 else
3192    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3193 fi
3194
3195 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3196    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3197 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3198    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3199 else
3200    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3201 fi
3202
3203 if test "x$have_visibility_hidden" = "xyes"; then
3204    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3205 fi
3206
3207 if test "x$have_deprecated" = "xyes"; then
3208    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3209 fi
3210
3211 dnl
3212 dnl Simple Generational checks (sgen)
3213 dnl
3214 if $sgen_supported; then
3215    build_sgen_default=yes
3216 else
3217    build_sgen_default=no
3218 fi
3219 SGEN_DEFINES=
3220 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3221 if test x$buildsgen = xyes; then
3222    if $sgen_supported; then
3223        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3224        gc_msg="sgen and $gc_msg"
3225    else
3226        buildsgen=no
3227        AC_MSG_WARN("Sgen is not supported on this platform")
3228    fi
3229 fi
3230 AC_SUBST(SGEN_DEFINES)
3231 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3232
3233 jit_status="Building and using the JIT"
3234
3235 libsuffix=".so"
3236
3237 case "$host" in
3238      *-*-darwin*)
3239         libsuffix=".dylib"
3240         LIBC="libc.dylib"
3241         INTL="libintl.dylib"
3242         SQLITE="libsqlite.0.dylib"
3243         SQLITE3="libsqlite3.0.dylib"
3244         X11="libX11.dylib"
3245         GDKX11="libgdk-x11-2.0.dylib"
3246         GTKX11="libgtk-x11-2.0.dylib"
3247         ;;
3248      *-*-*netbsd*)
3249         LIBC="libc.so.12"
3250         INTL="libintl.so.0"
3251         ;;
3252      *-*-kfreebsd*-gnu)
3253         LIBC="libc.so.0.1"
3254         INTL="libc.so.0.1"
3255         X11="libX11.so.6"
3256         ;;
3257     *-*-*freebsd*)
3258         LIBC="libc.so"
3259         INTL="libintl.so"
3260         SQLITE="libsqlite.so"
3261         SQLITE3="libsqlite3.so"
3262         ;;
3263     *-*-*openbsd*)
3264         LIBC="libc.so"
3265         INTL="libintl.so"
3266         SQLITE="libsqlite.so"
3267         SQLITE3="libsqlite3.so"
3268         ;;
3269     *-*-*linux*)
3270         AC_PATH_X
3271         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3272         AC_MSG_CHECKING(for the soname of libX11.so)
3273         for i in $x_libraries $dlsearch_path; do
3274                 for r in 4 5 6; do
3275                         if test -f $i/libX11.so.$r; then
3276                                 X11=libX11.so.$r
3277                                 AC_MSG_RESULT($X11)
3278                         fi
3279                 done
3280         done
3281
3282         if test "x$X11" = "xlibX11.so"; then
3283                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3284                 X11=libX11.so.6
3285         fi
3286         ;;
3287 esac
3288
3289
3290 AC_SUBST(libsuffix)
3291
3292 AC_ARG_WITH([libgdiplus],
3293         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3294         [], [with_libgdiplus=installed])
3295
3296 # default install location
3297 libgdiplus_install_loc=libgdiplus${libsuffix}
3298 case $with_libgdiplus in
3299     no|installed)
3300     libgdiplus_loc=
3301     ;;
3302
3303     yes|sibling)
3304     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3305     ;;
3306
3307     /*) # absolute path, assume it is an install location
3308     libgdiplus_loc=$with_libgdiplus
3309     libgdiplus_install_loc=$with_libgdiplus
3310     ;;
3311
3312     *)
3313     libgdiplus_loc=`pwd`/$with_libgdiplus
3314     ;;
3315 esac
3316 AC_SUBST([libgdiplus_loc])
3317 AC_SUBST([libgdiplus_install_loc])
3318
3319 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3320 if test "x$icall_symbol_map" = "xyes"; then
3321    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3322 fi
3323
3324 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3325 if test "x$icall_export" = "xyes"; then
3326    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3327 fi
3328
3329 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3330 if test "x$icall_tables" = "xno"; then
3331    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3332 fi
3333
3334 if test "x$with_tls" = "x__thread"; then
3335         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3336         # Pass the information to libgc
3337         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3338         AC_MSG_CHECKING(if the tls_model attribute is supported)
3339         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3340                 ], [
3341                         AC_MSG_RESULT(yes)
3342                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3343                 ], [
3344                         AC_MSG_RESULT(no)
3345         ])
3346 fi
3347
3348 if test ${TARGET} = ARM; then
3349         dnl ******************************************
3350         dnl *** Check to see what FPU is available ***
3351         dnl ******************************************
3352         AC_MSG_CHECKING(which FPU to use)
3353
3354         #
3355         # This is a bit tricky:
3356         #
3357         # if (__ARM_PCS_VFP) {
3358         #       /* mfloat-abi=hard == VFP with hard ABI */
3359         # } elif (!__SOFTFP__) {
3360         #       /* mfloat-abi=softfp == VFP with soft ABI */
3361         # } else {
3362         #       /* mfloat-abi=soft == no VFP */
3363         # }
3364         #
3365         # The exception is iOS (w/ GCC) where none of the above
3366         # are defined (but iOS always uses the 'softfp' ABI).
3367         #
3368         # No support for FPA.
3369         #
3370
3371         fpu=NONE
3372
3373         # iOS GCC always uses the 'softfp' ABI.
3374         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3375                 fpu=VFP
3376         fi
3377
3378         # Are we using the 'hard' ABI?
3379         if test x$fpu = xNONE; then
3380                 AC_TRY_COMPILE([], [
3381                         #ifndef __ARM_PCS_VFP
3382                         #error "Float ABI is not 'hard'"
3383                         #endif
3384                         return 0;
3385                 ], [
3386                         fpu=VFP_HARD
3387                 ], [
3388                         fpu=NONE
3389                 ])
3390         fi
3391
3392         # No 'hard' ABI. 'soft' or 'softfp'?
3393         if test x$fpu = xNONE; then
3394                 AC_TRY_COMPILE([], [
3395                         #ifdef __SOFTFP__
3396                         #error "Float ABI is not 'softfp'"
3397                         #endif
3398                         return 0;
3399                 ], [
3400                         fpu=VFP
3401                 ], [
3402                         fpu=NONE
3403                 ])
3404         fi
3405
3406         AC_MSG_RESULT($fpu)
3407         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3408         unset fpu
3409
3410         dnl *********************************************
3411         dnl *** Check which ARM version(s) we can use ***
3412         dnl *********************************************
3413         AC_MSG_CHECKING(which ARM version to use)
3414
3415         AC_TRY_COMPILE([], [
3416                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3417                 #error Not on ARM v5.
3418                 #endif
3419                 return 0;
3420         ], [
3421                 arm_v5=yes
3422
3423                 arm_ver=ARMv5
3424         ], [])
3425
3426         AC_TRY_COMPILE([], [
3427                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3428                 #error Not on ARM v6.
3429                 #endif
3430                 return 0;
3431         ], [
3432                 arm_v5=yes
3433                 arm_v6=yes
3434
3435                 arm_ver=ARMv6
3436         ], [])
3437
3438         AC_TRY_COMPILE([], [
3439                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3440                 #error Not on ARM v7.
3441                 #endif
3442                 return 0;
3443         ], [
3444                 arm_v5=yes
3445                 arm_v6=yes
3446                 arm_v7=yes
3447
3448                 arm_ver=ARMv7
3449         ], [])
3450
3451         AC_MSG_RESULT($arm_ver)
3452
3453         if test x$arm_v5 = xyes; then
3454                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3455                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3456         fi
3457
3458         if test x$arm_v6 = xyes; then
3459                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3460                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3461         fi
3462
3463         if test x$arm_v7 = xyes; then
3464                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3465                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3466         fi
3467 fi
3468
3469 if test ${TARGET} = ARM; then
3470         if test "x${with_jumptables}" = "xyes"; then
3471                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3472         fi
3473 fi
3474
3475 if test ${TARGET} = unknown; then
3476         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3477         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3478 fi
3479
3480 if test ${ACCESS_UNALIGNED} = no; then
3481         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3482 fi
3483
3484 case "x$libgc" in
3485         xincluded)
3486                 # Pass CPPFLAGS to libgc configure
3487                 # We should use a separate variable for this to avoid passing useless and
3488                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3489                 # This should be executed late so we pick up the final version of CPPFLAGS
3490                 # The problem with this approach, is that during a reconfigure, the main
3491                 # configure scripts gets invoked with these arguments, so we use separate
3492                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3493                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3494                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3495                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3496                 fi
3497                 # Don't pass -finstrument-for-thread-suspension in,
3498                 # if these are instrumented it will be very bad news
3499                 # (infinite recursion, undefined parking behavior, etc)
3500                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3501                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3502                 if test "x$support_boehm" = "xyes"; then
3503                         AC_CONFIG_SUBDIRS(libgc)
3504                 fi
3505                 ;;
3506 esac
3507
3508 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3509 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3510 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3511 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3512
3513 OPROFILE=no
3514 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3515         if test x$with_oprofile != xno; then
3516             oprofile_include=$with_oprofile/include
3517             if test ! -f $oprofile_include/opagent.h; then
3518                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3519                 fi
3520             OPROFILE=yes
3521                 OPROFILE_CFLAGS="-I$oprofile_include"
3522             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3523             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3524         fi
3525 ])
3526
3527 MALLOC_MEMPOOLS=no
3528 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3529         if test x$with_malloc_mempools = xyes; then
3530                 MALLOC_MEMPOOLS=yes
3531                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3532         fi
3533 ])
3534
3535
3536 DISABLE_MCS_DOCS=no
3537 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3538         if test x$with_mcs_docs != xyes; then
3539                 DISABLE_MCS_DOCS=yes
3540         fi
3541 ])
3542 if test x$with_profile4_5 != xyes; then
3543         DISABLE_MCS_DOCS=yes
3544 fi
3545
3546 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)],[
3547         if test x$with_lazy_gc_thread_creation != xno ; then
3548                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3549         fi
3550 ], [with_lazy_gc_thread_creation=no])
3551
3552 AC_CHECK_HEADER([malloc.h],
3553                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3554                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3555
3556 if test x"$GCC" = xyes; then
3557         # Implicit function declarations are not 64 bit safe
3558         # Do this late, since this causes lots of configure tests to fail
3559         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3560         # jay has a lot of implicit declarations
3561         JAY_CFLAGS="-Wno-implicit-function-declaration"
3562 fi
3563
3564 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3565 # instead of libmono-static.a
3566 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3567    LIBMONO_LA=libmini-static.la
3568 else
3569    if test x$buildsgen = xyes; then
3570       LIBMONO_LA=libmonosgen-$API_VER.la
3571    else
3572       LIBMONO_LA=libmonoboehm-$API_VER.la
3573    fi
3574 fi
3575 AC_SUBST(LIBMONO_LA)
3576
3577 dnl
3578 dnl Consistency settings
3579 dnl
3580 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3581    DISABLE_MCS_DOCS=yes
3582    with_profile4_5=no
3583    with_monodroid=no
3584    with_monotouch=no
3585    with_xammac=no
3586 fi
3587
3588 if test x$DISABLE_MCS_DOCS = xyes; then
3589    docs_dir=""
3590 else
3591    docs_dir=docs
3592 fi
3593 AC_SUBST(docs_dir)
3594
3595 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3596 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3597
3598 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3599 AC_SUBST(OPROFILE_CFLAGS)
3600 AC_SUBST(OPROFILE_LIBS)
3601
3602 libmono_ldflags="$libmono_ldflags $LIBS"
3603
3604 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3605 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3606 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3607 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3608 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3609 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3610
3611 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3612 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3613 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3614 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3615 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3616 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3617 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3618 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3619 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3620 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3621 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3622 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3623 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3624 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3625 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3626 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3627 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3628 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3629
3630 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3631
3632 AC_SUBST(LIBC)
3633 AC_SUBST(INTL)
3634 AC_SUBST(SQLITE)
3635 AC_SUBST(SQLITE3)
3636 AC_SUBST(X11)
3637 AC_SUBST(GDKX11)
3638 AC_SUBST(GTKX11)
3639 AC_SUBST(XINERAMA)
3640 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3641 AC_SUBST(arch_target)
3642 AC_SUBST(CFLAGS)
3643 AC_SUBST(CPPFLAGS)
3644 AC_SUBST(LDFLAGS)
3645
3646 mono_build_root=`pwd`
3647 AC_SUBST(mono_build_root)
3648
3649 mono_runtime=mono/mini/mono
3650 AC_SUBST(mono_runtime)
3651
3652 mono_cfg_root=$mono_build_root/runtime
3653 if test x$host_win32 = xyes; then
3654   if test "x$cross_compiling" = "xno"; then
3655     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3656   else
3657     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3658   fi
3659 else
3660   mono_cfg_dir=$mono_cfg_root/etc
3661 fi
3662 AC_SUBST(mono_cfg_dir)
3663
3664 AC_CONFIG_FILES([po/mcs/Makefile.in])
3665
3666 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3667 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3668
3669 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3670 [   depth=../../../..
3671     case $srcdir in
3672     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3673     .) reldir=$depth ;;
3674     *) reldir=$depth/$srcdir ;;
3675     esac
3676     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3677     cd runtime/etc/mono/1.0
3678     rm -f machine.config
3679     $LN_S $reldir/data/net_1_1/machine.config machine.config
3680     cd $depth
3681 ],[LN_S='$LN_S'])
3682
3683 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3684 [   depth=../../../..
3685     case $srcdir in
3686     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3687     .) reldir=$depth ;;
3688     *) reldir=$depth/$srcdir ;;
3689     esac
3690     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3691     cd runtime/etc/mono/2.0
3692     rm -f machine.config
3693     $LN_S $reldir/data/net_2_0/machine.config machine.config
3694     cd $depth
3695 ],[LN_S='$LN_S'])
3696
3697 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3698 [   depth=../../../..
3699     case $srcdir in
3700     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3701     .) reldir=$depth ;;
3702     *) reldir=$depth/$srcdir ;;
3703     esac
3704     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3705     cd runtime/etc/mono/2.0
3706     rm -f web.config
3707     $LN_S $reldir/data/net_2_0/web.config web.config
3708     cd $depth
3709 ],[LN_S='$LN_S'])
3710
3711 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3712 [   depth=../../..
3713     case $srcdir in
3714     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3715     .) reldir=$depth ;;
3716     *) reldir=$depth/$srcdir ;;
3717     esac
3718     $ac_aux_dir/install-sh -d runtime/etc/mono/
3719     cd runtime/etc/mono/
3720     rm -f browscap.ini
3721     $LN_S $reldir/data/browscap.ini browscap.ini
3722     cd $depth
3723 ],[LN_S='$LN_S'])
3724
3725 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3726 [   depth=../../../../..
3727     case $srcdir in
3728     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3729     .) reldir=$depth ;;
3730     *) reldir=$depth/$srcdir ;;
3731     esac
3732     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3733     cd runtime/etc/mono/2.0/Browsers
3734     rm -f Compat.browser
3735     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3736     cd $depth
3737 ],[LN_S='$LN_S'])
3738
3739 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3740 [   depth=../../../../..
3741     case $srcdir in
3742     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3743     .) reldir=$depth ;;
3744     *) reldir=$depth/$srcdir ;;
3745     esac
3746     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3747     cd runtime/etc/mono/4.0/Browsers
3748     rm -f Compat.browser
3749     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3750     cd $depth
3751 ],[LN_S='$LN_S'])
3752
3753 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3754 [   depth=../../../../..
3755     case $srcdir in
3756     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3757     .) reldir=$depth ;;
3758     *) reldir=$depth/$srcdir ;;
3759     esac
3760     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3761     cd runtime/etc/mono/4.5/Browsers
3762     rm -f Compat.browser
3763     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3764     cd $depth
3765 ],[LN_S='$LN_S'])
3766
3767 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3768 [   depth=../../../..
3769     case $srcdir in
3770     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3771     .) reldir=$depth ;;
3772     *) reldir=$depth/$srcdir ;;
3773     esac
3774     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3775     cd runtime/etc/mono/4.0
3776     rm -f machine.config
3777     $LN_S $reldir/data/net_4_0/machine.config machine.config
3778     cd $depth
3779 ],[LN_S='$LN_S'])
3780
3781 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3782 [   depth=../../../..
3783     case $srcdir in
3784     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3785     .) reldir=$depth ;;
3786     *) reldir=$depth/$srcdir ;;
3787     esac
3788     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3789     cd runtime/etc/mono/4.0
3790     rm -f web.config
3791     $LN_S $reldir/data/net_4_0/web.config web.config
3792     cd $depth
3793 ],[LN_S='$LN_S'])
3794
3795 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3796 [   depth=../../../..
3797     case $srcdir in
3798     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3799     .) reldir=$depth ;;
3800     *) reldir=$depth/$srcdir ;;
3801     esac
3802     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3803     cd runtime/etc/mono/4.5
3804     rm -f machine.config
3805     $LN_S $reldir/data/net_4_5/machine.config machine.config
3806     cd $depth
3807 ],[LN_S='$LN_S'])
3808
3809 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3810 [   depth=../../../..
3811     case $srcdir in
3812     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3813     .) reldir=$depth ;;
3814     *) reldir=$depth/$srcdir ;;
3815     esac
3816     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3817     cd runtime/etc/mono/4.5
3818     rm -f web.config
3819     $LN_S $reldir/data/net_4_5/web.config web.config
3820     cd $depth
3821 ],[LN_S='$LN_S'])
3822
3823 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])
3824 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])
3825
3826 AC_OUTPUT([
3827 Makefile
3828 mono-core.spec
3829 mono-uninstalled.pc
3830 scripts/mono-find-provides
3831 scripts/mono-find-requires
3832 mono/Makefile
3833 mono/utils/Makefile
3834 mono/metadata/Makefile
3835 mono/dis/Makefile
3836 mono/cil/Makefile
3837 mono/arch/Makefile
3838 mono/arch/x86/Makefile
3839 mono/arch/amd64/Makefile
3840 mono/arch/ppc/Makefile
3841 mono/arch/sparc/Makefile
3842 mono/arch/s390x/Makefile
3843 mono/arch/arm/Makefile
3844 mono/arch/arm64/Makefile
3845 mono/arch/ia64/Makefile
3846 mono/arch/mips/Makefile
3847 mono/tests/Makefile
3848 mono/tests/tests-config
3849 mono/tests/assemblyresolve/Makefile
3850 mono/tests/cas/Makefile
3851 mono/tests/cas/assembly/Makefile
3852 mono/tests/cas/demand/Makefile
3853 mono/tests/cas/inheritance/Makefile
3854 mono/tests/cas/linkdemand/Makefile
3855 mono/tests/cas/threads/Makefile
3856 mono/tests/gc-descriptors/Makefile
3857 mono/unit-tests/Makefile
3858 mono/benchmark/Makefile
3859 mono/io-layer/Makefile
3860 mono/mini/Makefile
3861 mono/profiler/Makefile
3862 m4/Makefile
3863 ikvm-native/Makefile
3864 scripts/Makefile
3865 man/Makefile
3866 docs/Makefile
3867 data/Makefile
3868 data/net_2_0/Makefile
3869 data/net_4_0/Makefile
3870 data/net_4_5/Makefile
3871 data/net_2_0/Browsers/Makefile
3872 data/net_4_0/Browsers/Makefile
3873 data/net_4_5/Browsers/Makefile
3874 data/mint.pc
3875 data/mono-2.pc
3876 data/monosgen-2.pc
3877 data/mono.pc
3878 data/mono-cairo.pc
3879 data/mono-nunit.pc
3880 data/mono-options.pc
3881 data/mono-lineeditor.pc
3882 data/monodoc.pc
3883 data/dotnet.pc
3884 data/dotnet35.pc
3885 data/wcf.pc
3886 data/cecil.pc
3887 data/system.web.extensions_1.0.pc
3888 data/system.web.extensions.design_1.0.pc
3889 data/system.web.mvc.pc
3890 data/system.web.mvc2.pc
3891 data/system.web.mvc3.pc
3892 data/aspnetwebstack.pc
3893 data/reactive.pc
3894 samples/Makefile
3895 support/Makefile
3896 data/config
3897 tools/Makefile
3898 tools/locale-builder/Makefile
3899 tools/sgen/Makefile
3900 tools/monograph/Makefile
3901 runtime/Makefile
3902 msvc/Makefile
3903 po/Makefile
3904 ])
3905
3906 # Update all submodules recursively to ensure everything is checked out
3907 $srcdir/scripts/update_submodules
3908
3909 if test x$host_win32 = xyes; then
3910    # Get rid of 'cyg' prefixes in library names
3911    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3912    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3913    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3914    # executable doesn't work...
3915    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3916 fi
3917
3918 if test x$platform_darwin = xyes; then
3919    # This doesn't seem to be required and it slows down parallel builds
3920    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3921 fi
3922
3923 (
3924   case $prefix in
3925   NONE) prefix=$ac_default_prefix ;;
3926   esac
3927   case $exec_prefix in
3928   NONE) exec_prefix='${prefix}' ;;
3929   esac
3930
3931   #
3932   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3933   # any existing config.make.  This allows people to share the same source tree
3934   # with different build directories, one native and one cross
3935   #
3936   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3937
3938     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3939
3940     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3941     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3942     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3943     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3944     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3945     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3946     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3947     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3948
3949     case $INSTALL in
3950     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3951     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3952     esac
3953
3954     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3955
3956     export VERSION
3957     [myver=$($AWK 'BEGIN {
3958       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3959       if(length(vsplit [1]) > 4) {
3960         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3961       }
3962       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3963     }')]
3964
3965     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3966
3967     if test x$platform_darwin = xyes; then
3968       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3969     fi
3970
3971         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3972            enable_system_aot=yes
3973         fi
3974
3975     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3976       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3977     fi
3978
3979     if test x$DISABLE_MCS_DOCS = xyes; then
3980       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3981     fi
3982
3983     if test x$has_extension_module != xno; then
3984         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3985     fi
3986
3987         default_profile=net_4_5
3988     if test -z "$INSTALL_MONODROID_TRUE"; then :
3989                 default_profile=monodroid
3990     fi
3991     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3992                 default_profile=monotouch
3993     fi
3994         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3995                 default_profile=xammac
3996         fi
3997     if test -z "$INSTALL_4_5_TRUE"; then :
3998                 default_profile=net_4_5
3999     fi
4000
4001     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4002
4003     if test "x$test_bcl_opt" = "xyes"; then
4004       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4005     fi
4006
4007   fi
4008
4009   # if we have an olive folder, override the default settings
4010   if test -d $olivedir; then
4011
4012     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
4013
4014       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
4015
4016       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
4017       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
4018       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
4019       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
4020       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
4021       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
4022     fi
4023   fi
4024
4025 )
4026
4027 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4028
4029 echo "
4030         mcs source:    $mcsdir
4031
4032    Engine:
4033         Host:          $host
4034         Target:        $target
4035         GC:            $gc_msg
4036         TLS:           $with_tls
4037         SIGALTSTACK:   $with_sigaltstack
4038         Engine:        $jit_status
4039         oprofile:      $OPROFILE
4040         BigArrays:     $enable_big_arrays
4041         DTrace:        $enable_dtrace
4042         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4043
4044    Libraries:
4045         .NET 4.5:      $with_profile4_5
4046         MonoDroid:     $with_monodroid
4047         MonoTouch:     $with_monotouch
4048         Xamarin.Mac:   $with_xammac
4049         JNI support:   $jdk_headers_found
4050         libgdiplus:    $libgdiplus_msg
4051         zlib:          $zlib_msg
4052         $disabled
4053 "
4054 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4055    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4056 fi