configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.99.0],
   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 ${libdir}`
  71 AC_SUBST(reloc_libdir)
  72
  73 dnl if linker handles the version script
  74 no_version_script=no
  75
  76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  77 need_link_unlink=no
  78
  79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  80 extra_runtime_ldflags=""
  81
  82 # Thread configuration inspired by sleepycat's db
  83 AC_MSG_CHECKING([host platform characteristics])
  84 libgc_threads=no
  85 has_dtrace=no
  86 parallel_mark=yes
  87 ikvm_native=yes
  88
  89 case "$host" in
  90         powerpc*-*-linux*)
  91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  92                 disable_munmap=yes
  93         ;;
  94 esac
  95
  96 host_win32=no
  97 target_win32=no
  98 platform_android=no
  99 platform_darwin=no
 100 case "$host" in
 101         *-mingw*|*-*-cygwin*)
 102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 105                 host_win32=yes
 106                 mono_cv_clang=no
 107                 if test "x$cross_compiling" = "xno"; then
 108                         target_win32=yes
 109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 111                         fi
 112                 else
 113                         target_win32=yes
 114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 116                 fi
 117                 HOST_CC="gcc"
 118                 # Windows XP SP2 is required
 119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 121                 libmono_cflags="-mms-bitfields -mwindows"
 122                 libmono_ldflags="-mms-bitfields -mwindows"
 123                 libdl=
 124                 libgc_threads=win32
 125                 libgc_default=included
 126                 with_sigaltstack=no
 127                 with_tls=pthread
 128                 LN_S=cp
 129                 # This forces libgc to use the DllMain based thread registration code on win32
 130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 131                 ;;
 132         *-*-*netbsd*)
 133                 host_win32=no
 134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 135                 libmono_cflags="-D_REENTRANT"
 136                 LDFLAGS="$LDFLAGS -pthread"
 137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 138                 libmono_ldflags="-pthread"
 139                 need_link_unlink=yes
 140                 libdl="-ldl"
 141                 libgc_threads=pthreads
 142                 with_sigaltstack=no
 143                 use_sigposix=yes
 144                 ;;
 145         *-*-kfreebsd*-gnu)
 146                 host_win32=no
 147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 149                 libmono_ldflags="-lpthread -pthread"
 150                 libdl="-ldl"
 151                 libgc_threads=pthreads
 152                 need_link_unlink=yes
 153                 with_sigaltstack=no
 154                 use_sigposix=yes
 155                 ;;
 156         *-*-*freebsd*)
 157                 host_win32=no
 158                 if test "x$PTHREAD_CFLAGS" = "x"; then
 159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags=
 161                 else
 162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 163                         libmono_cflags="$PTHREAD_CFLAGS"
 164                 fi
 165                 if test "x$PTHREAD_LIBS" = "x"; then
 166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 167                         libmono_ldflags="-pthread"
 168                 else
 169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 170                         libmono_ldflags="$PTHREAD_LIBS"
 171                 fi
 172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 173                 need_link_unlink=yes
 174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 175                 libdl=
 176                 libgc_threads=pthreads
 177                 use_sigposix=yes
 178                 has_dtrace=yes
 179                 ;;
 180         *-*-*openbsd*)
 181                 host_win32=no
 182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 183                 if test "x$disable_munmap" != "xyes"; then
 184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 185                 fi
 186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 187                 LDFLAGS="$LDFLAGS -pthread"
 188                 need_link_unlink=yes
 189                 AC_DEFINE(PTHREAD_POINTER_ID)
 190                 libdl=
 191                 libgc_default=boehm
 192                 libgc_threads=pthreads
 193                 with_sigaltstack=no
 194                 use_sigposix=yes
 195                 ;;
 196         *-*-linux-android*)
 197                 host_win32=no
 198                 platform_android=yes
 199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 201
 202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 203                 if test "x$disable_munmap" != "xyes"; then
 204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 205                 fi
 206                 libmono_cflags="-D_REENTRANT"
 207                 libdl="-ldl"
 208                 libgc_threads=pthreads
 209                 use_sigposix=yes
 210
 211                 with_tls=pthread
 212                 with_sigaltstack=no
 213                 with_static_mono=no
 214
 215                 # Android doesn't support boehm, as it's missing <link.h>
 216                 support_boehm=no
 217                 with_gc=sgen
 218
 219                 # isinf(3) requires -lm; see isinf check below
 220                 LDFLAGS="$LDFLAGS -lm"
 221
 222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 227
 228                 # The configure check can't detect this
 229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 230
 231                 # to bypass the underscore linker check, can't work when cross-compiling
 232                 mono_cv_uscore=yes
 233                 mono_cv_clang=no
 234                 ;;
 235         *-*-linux*)
 236                 host_win32=no
 237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 238                 if test "x$disable_munmap" != "xyes"; then
 239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 240                 fi
 241                 libmono_cflags="-D_REENTRANT"
 242                 libdl="-ldl"
 243                 libgc_threads=pthreads
 244                 use_sigposix=yes
 245                 if test "x$cross_compiling" != "xno"; then
 246                         # to bypass the underscore linker check, not
 247                         # available during cross-compilation
 248                         mono_cv_uscore=no
 249                 fi
 250                 case "$host" in
 251                 aarch64-*)
 252                         support_boehm=no
 253                         with_gc=sgen
 254                         ;;
 255                 esac
 256                 ;;
 257         *-*-nacl*)
 258                 host_win32=no
 259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 260                 if test "x$disable_munmap" != "xyes"; then
 261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 262                 fi
 263                 libmono_cflags="-D_REENTRANT"
 264                 libdl=
 265                 libgc_threads=pthreads
 266                 libgc_default=boehm
 267                 use_sigposix=yes
 268                 ikvm_native=no
 269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 271                 ;;
 272         *-*-hpux*)
 273                 host_win32=no
 274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 275                 # +ESdbgasm only valid on bundled cc on RISC
 276                 # silently ignored for ia64
 277                 if test $GCC != "yes"; then
 278                         CFLAGS="$CFLAGS +ESdbgasm"
 279                         # Arrange for run-time dereferencing of null
 280                         # pointers to produce a SIGSEGV signal.
 281                         LDFLAGS="$LDFLAGS -z"
 282                 fi
 283                 CFLAGS="$CFLAGS +ESdbgasm"
 284                 LDFLAGS="$LDFLAGS -z"
 285                 libmono_cflags="-D_REENTRANT"
 286                 libmono_ldflags="-lpthread"
 287                 libgc_threads=pthreads
 288                 need_link_unlink=yes
 289                 use_sigposix=yes
 290                 ;;
 291         *-*-solaris*)
 292                 host_win32=no
 293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 294                 need_link_unlink=yes
 295                 libmono_cflags="-D_REENTRANT"
 296                 libgc_threads=pthreads
 297                 # This doesn't seem to work on solaris/x86, but the configure test runs
 298                 with_tls=pthread
 299                 has_dtrace=yes
 300                 use_sigposix=yes
 301                 enable_solaris_tar_check=yes
 302                 ;;
 303         *-*-darwin*)
 304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 305                 host_win32=no
 306                 platform_darwin=yes
 307                 target_mach=yes
 308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 309                 libmono_cflags="-D_THREAD_SAFE"
 310                 need_link_unlink=yes
 311                 AC_DEFINE(PTHREAD_POINTER_ID)
 312                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 313                 no_version_script=yes
 314                 libdl=
 315                 libgc_threads=pthreads
 316                 has_dtrace=yes
 317                 if test "x$cross_compiling" = "xyes"; then
 318                         has_broken_apple_cpp=yes
 319                 fi
 320                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 321                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 322                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 323                 case "$host" in
 324                         dnl Snow Leopard and newer config.guess reports as this
 325                         i*86-*-darwin*)
 326                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 327                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 328                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 329                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 330                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 331                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 332                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 333                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 334                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 335                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 336                                 ;;
 337                         x*64-*-darwin*)
 338                                 ;;
 339                         arm*-darwin*)
 340                                 has_dtrace=no
 341                                 ;;
 342                 esac
 343                 ;;
 344         *-*-haiku*)
 345                 host_win32=no
 346                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 347                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 348                 libdl=
 349                 LIBS="$LIBS -lnetwork"
 350                 need_link_unlink=yes
 351                 AC_DEFINE(PTHREAD_POINTER_ID)
 352                 libgc_threads=pthreads
 353                 use_sigposix=yes
 354                 ;;
 355         *)
 356                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 357                 host_win32=no
 358                 libdl="-ldl"
 359                 ;;
 360 esac
 361 AC_MSG_RESULT(ok)
 362
 363 if test x$need_link_unlink = xyes; then
 364    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 365 fi
 366
 367 AC_SUBST(extra_runtime_ldflags)
 368 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 369 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 370 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 371 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 372 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 373 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 374 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 375
 376 AC_CHECK_TOOL(CC, gcc, gcc)
 377 AC_PROG_CC
 378 AC_CHECK_TOOL(CXX, g++, g++)
 379 AC_PROG_CXX
 380 AM_PROG_AS
 381 AC_PROG_INSTALL
 382 AC_PROG_AWK
 383 AM_PROG_CC_C_O
 384 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 385 : ${CCAS='$(CC)'}
 386 # Set ASFLAGS if not already set.
 387 : ${CCASFLAGS='$(CFLAGS)'}
 388 AC_SUBST(CCAS)
 389 AC_SUBST(CCASFLAGS)
 390
 391 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 392 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 393 if test "x$CXX" = "xg++"; then
 394         if test "x$GXX" != "xyes"; then
 395                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 396                 # are inside automake conditionals
 397                 AC_MSG_ERROR([You need to install g++])
 398         fi
 399 fi
 400
 401 dnl may require a specific autoconf version
 402 dnl AC_PROG_CC_FOR_BUILD
 403 dnl CC_FOR_BUILD not automatically detected
 404 CC_FOR_BUILD=$CC
 405 CFLAGS_FOR_BUILD=$CFLAGS
 406 BUILD_EXEEXT=
 407 if test "x$cross_compiling" = "xyes"; then
 408         CC_FOR_BUILD=cc
 409         CFLAGS_FOR_BUILD=
 410         BUILD_EXEEXT=""
 411 fi
 412 AC_SUBST(CC_FOR_BUILD)
 413 AC_SUBST(CFLAGS_FOR_BUILD)
 414 AC_SUBST(HOST_CC)
 415 AC_SUBST(BUILD_EXEEXT)
 416
 417 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 418 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 419
 420 # Set STDC_HEADERS
 421 AC_HEADER_STDC
 422 AC_LIBTOOL_WIN32_DLL
 423 # This causes monodis to not link correctly
 424 #AC_DISABLE_FAST_INSTALL
 425 AM_PROG_LIBTOOL
 426 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 427 DOLT
 428
 429 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 430 AC_SUBST(export_ldflags)
 431
 432 # Test whenever ld supports -version-script
 433 AC_PROG_LD
 434 AC_PROG_LD_GNU
 435 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 436    no_version_script=yes
 437 fi
 438
 439 AM_ICONV()
 440
 441 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 442
 443 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)
 444 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)
 445 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 446                   [], [], [#include <stddef.h>
 447                   #include <sys/socket.h>
 448                   #include <linux/socket.h>])
 449
 450 AC_CHECK_HEADERS(sys/user.h, [], [],
 451 [
 452 #ifdef HAVE_SYS_PARAM_H
 453 # include <sys/param.h>
 454 #endif
 455 ])
 456
 457 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 458 if test x$have_zlib = xyes; then
 459    AC_TRY_COMPILE([#include <zlib.h>], [
 460    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 461    return 0;
 462    #else
 463    #error No good zlib found
 464    #endif
 465    ],[
 466         AC_MSG_RESULT(Using system zlib)
 467         zlib_msg="system zlib"
 468         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 469    ],[
 470         AC_MSG_RESULT(Using embedded zlib)
 471         have_zlib=no
 472         zlib_msg="bundled zlib"
 473    ])
 474 fi
 475
 476 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 477 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 478
 479 # for mono/metadata/debug-symfile.c
 480 AC_CHECK_HEADERS(elf.h)
 481
 482 # for support
 483 AC_CHECK_HEADERS(poll.h)
 484 AC_CHECK_HEADERS(sys/poll.h)
 485 AC_CHECK_HEADERS(sys/wait.h)
 486 AC_CHECK_HEADERS(grp.h)
 487 AC_CHECK_HEADERS(syslog.h)
 488
 489 # for mono/dis
 490 AC_CHECK_HEADERS(wchar.h)
 491 AC_CHECK_HEADERS(ieeefp.h)
 492 AC_MSG_CHECKING(for isinf)
 493 AC_TRY_LINK([#include <math.h>], [
 494         int f = isinf (1.0);
 495 ], [
 496         AC_MSG_RESULT(yes)
 497         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 498 ], [
 499         # We'll have to use signals
 500         AC_MSG_RESULT(no)
 501 ])
 502 # mingw
 503 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 504         AC_TRY_LINK([#include <math.h>],
 505         [ _finite(0.0); ],
 506         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 507         AC_MSG_RESULT(no)))
 508
 509 # for Linux statfs support
 510 AC_CHECK_HEADERS(linux/magic.h)
 511
 512 # not 64 bit clean in cross-compile
 513 AC_CHECK_SIZEOF(void *, 4)
 514
 515 AC_CACHE_CHECK([for clang],
 516         mono_cv_clang,[
 517         AC_TRY_COMPILE([], [
 518                 #ifdef __clang__
 519                 #else
 520                 #error "FAILED"
 521                 #endif
 522                 return 0;
 523         ],
 524         [mono_cv_clang=yes],
 525         [mono_cv_clang=no],
 526         [])
 527 ])
 528
 529 AC_ARG_ENABLE(visiblity-hidden,
 530 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
 531    disable_visibility_hidden=no, disable_visibility_hidden=yes)
 532
 533 WARN=''
 534 if test x"$GCC" = xyes; then
 535         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 536
 537                 # We require C99 with some GNU extensions, e.g. `linux` macro
 538                 CFLAGS="$CFLAGS -std=gnu99"
 539
 540                 # The runtime code does not respect ANSI C strict aliasing rules
 541                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 542
 543                 # We rely on signed overflow to behave
 544                 CFLAGS="$CFLAGS -fwrapv"
 545
 546                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 547                 if test x"$disable_visibility_hidden" = xno; then
 548                    # Don't export any symbols by default
 549                    SHARED_CFLAGS="-fvisibility=hidden"
 550                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 551                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 552                 fi
 553
 554                 ORIG_CFLAGS=$CFLAGS
 555                 # Check for the normal version, since gcc ignores unknown -Wno options
 556                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 557                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 558                 AC_TRY_COMPILE([],[
 559                                 return 0;
 560                 ], [
 561                    AC_MSG_RESULT(yes)
 562                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 563                 ], [
 564                    AC_MSG_RESULT(no)
 565                    CFLAGS=$ORIG_CFLAGS
 566                 ])
 567
 568                 if test "x$mono_cv_clang" = "xyes"; then
 569                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 570                    WARN="$WARN -Qunused-arguments"
 571                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 572                 fi
 573 else
 574         # The Sun Forte compiler complains about inline functions that access static variables
 575         # so disable all inlining.
 576         case "$host" in
 577         *-*-solaris*)
 578                 CFLAGS="$CFLAGS -Dinline="
 579                 ;;
 580         esac
 581 fi
 582 CFLAGS="$CFLAGS -g $WARN"
 583 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 584 CPPFLAGS="$CPPFLAGS -g $WARN"
 585
 586 # Where's the 'mcs' source tree?
 587 if test -d $srcdir/mcs; then
 588   mcsdir=mcs
 589 else
 590   mcsdir=../mcs
 591 fi
 592
 593 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 594         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 595                 mcsdir=$with_mcs_path
 596         fi
 597 )
 598
 599 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 600
 601 #
 602 # A sanity check to catch cases where the package was unpacked
 603 # with an ancient tar program (Solaris)
 604 #
 605 AC_ARG_ENABLE(solaris-tar-check,
 606 [  --disable-solaris-tar-check    disable solaris tar check],
 607    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 608
 609 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 610         AC_MSG_CHECKING(integrity of package)
 611         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 612         then
 613                 AC_MSG_RESULT(ok)
 614         else
 615                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 616                 AC_MSG_ERROR([$errorm])
 617         fi
 618 fi
 619
 620 if test "x$with_mcs_path" != "x"; then
 621 mcs_topdir=$(cd "$mcsdir" && pwd)
 622 mcs_topdir_from_srcdir=$mcs_topdir
 623 else
 624 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 625 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 626 fi
 627
 628 # Convert mcs_topdir* paths to Windows syntax.
 629 if test x$cross_compiling$host_win32 = xnoyes; then
 630   mcs_topdir=$(cygpath -m $mcs_topdir)
 631   case $mcs_topdir_from_srcdir in
 632     /cygdrive/*)
 633         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 634         ;;
 635   esac
 636 fi
 637
 638 AC_SUBST([mcs_topdir])
 639 AC_SUBST([mcs_topdir_from_srcdir])
 640
 641 # Where's the 'olive' source tree?
 642 if test -d $srcdir/olive; then
 643   olivedir=olive
 644 else
 645   olivedir=../olive
 646 fi
 647
 648 if test -d $srcdir/$olivedir; then
 649 olive_topdir='$(top_srcdir)/'$olivedir
 650 fi
 651
 652 # gettext: prepare the translation directories.
 653 # we do not configure the full gettext, as we consume it dynamically from C#
 654 AM_PO_SUBDIRS
 655
 656 if test "x$USE_NLS" = "xyes"; then
 657    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 658
 659    if test "x$HAVE_MSGFMT" = "xno"; then
 660           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 661    fi
 662 fi
 663
 664 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 665
 666 pkg_config_path=
 667 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 668         if test x$with_crosspkgdir = "x"; then
 669                 if test -s $PKG_CONFIG_PATH; then
 670                         pkg_config_path=$PKG_CONFIG_PATH
 671                 fi
 672         else
 673                 pkg_config_path=$with_crosspkgdir
 674                 PKG_CONFIG_PATH=$pkg_config_path
 675                 export PKG_CONFIG_PATH
 676         fi
 677 )
 678
 679 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 680 if test x$werror_flag = xyes; then
 681         WERROR_CFLAGS="-Werror"
 682 fi
 683 AC_SUBST([WERROR_CFLAGS])
 684 AC_SUBST([SHARED_CFLAGS])
 685
 686 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 687 AC_CONFIG_SUBDIRS(eglib)
 688
 689 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 690 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 691 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 692 BUILD_GLIB_LIBS="$GLIB_LIBS"
 693 GMODULE_CFLAGS="$GLIB_CFLAGS"
 694 GMODULE_LIBS="$GLIB_LIBS"
 695
 696 AC_SUBST(GLIB_CFLAGS)
 697 AC_SUBST(GLIB_LIBS)
 698 AC_SUBST(GMODULE_CFLAGS)
 699 AC_SUBST(GMODULE_LIBS)
 700 AC_SUBST(BUILD_GLIB_CFLAGS)
 701 AC_SUBST(BUILD_GLIB_LIBS)
 702
 703 # Enable support for fast thread-local storage
 704 # Some systems have broken support, so we allow to disable it.
 705 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 706
 707 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 708 # This does not work on some platforms (bug #55253)
 709 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 710
 711 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 712 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 713 # Same as --with-shared_mono=no
 714 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 715
 716 if test "x$enable_static" = "xno"; then
 717    with_static_mono=no
 718 fi
 719
 720 if test "x$enable_shared" = "xno"; then
 721    with_shared_mono=no
 722 fi
 723
 724 if test "x$enable_libraries" = "xno"; then
 725    with_shared_mono=no
 726 fi
 727
 728 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 729
 730 case $host in
 731 *nacl* ) with_shared_mono=yes;;
 732 esac
 733
 734 if test "x$host_win32" = "xyes"; then
 735    # Boehm GC requires the runtime to be in its own dll
 736    with_static_mono=no
 737 fi
 738
 739 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 740 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 741 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 742
 743 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 744 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 745         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 746         ORIG_CFLAGS=$CFLAGS
 747         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 748         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 749         AC_TRY_COMPILE([], [
 750                 return 0;
 751         ], [
 752            AC_MSG_RESULT(yes)
 753            # Pass it to libgc as well
 754            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 755         ], [
 756            AC_MSG_RESULT(no)
 757            CFLAGS=$ORIG_CFLAGS
 758         ])
 759 fi
 760
 761 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 762
 763 if test x$enable_small_config = xyes; then
 764         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 765         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 766 fi
 767
 768 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=$enableval, enable_system_aot=default)
 769
 770 DISABLED_FEATURES=none
 771
 772 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 773      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 774      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 775          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 776 [
 777         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 778                 eval "mono_feature_disable_$feature='yes'"
 779         done
 780         DISABLED_FEATURES=$enable_minimal
 781         disabled="Disabled:      $enable_minimal"
 782 ],[])
 783
 784 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 785
 786 if test "x$mono_feature_disable_aot" = "xyes"; then
 787         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 788         AC_MSG_NOTICE([Disabled AOT compiler])
 789 fi
 790
 791 if test "x$mono_feature_disable_profiler" = "xyes"; then
 792         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 793         AC_MSG_NOTICE([Disabled support for the profiler])
 794 fi
 795 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 796
 797 if test "x$mono_feature_disable_decimal" = "xyes"; then
 798         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 799         AC_MSG_NOTICE([Disabled support for decimal])
 800 fi
 801
 802 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 803         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 804         AC_MSG_NOTICE([Disabled support for P/Invoke])
 805 fi
 806
 807 if test "x$mono_feature_disable_debug" = "xyes"; then
 808         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 809         AC_MSG_NOTICE([Disabled support for runtime debugging])
 810 fi
 811
 812 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 813         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 814         mono_feature_disable_reflection_emit_save=yes
 815         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 816 fi
 817
 818 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 819         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 820         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 821 fi
 822
 823 if test "x$mono_feature_disable_large_code" = "xyes"; then
 824         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 825         AC_MSG_NOTICE([Disabled support for large assemblies])
 826 fi
 827
 828 if test "x$mono_feature_disable_logging" = "xyes"; then
 829         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 830         AC_MSG_NOTICE([Disabled support for logging])
 831 fi
 832
 833 if test "x$mono_feature_disable_com" = "xyes"; then
 834         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 835         AC_MSG_NOTICE([Disabled COM support])
 836 fi
 837
 838 if test "x$mono_feature_disable_ssa" = "xyes"; then
 839         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 840         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 841 fi
 842
 843 if test "x$mono_feature_disable_generics" = "xyes"; then
 844         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 845         AC_MSG_NOTICE([Disabled Generics Support])
 846 fi
 847
 848 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 849         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 850         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 851 fi
 852
 853 if test "x$mono_feature_disable_portability" = "xyes"; then
 854         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 855         AC_MSG_NOTICE([Disabled IO Portability layer])
 856 fi
 857
 858 if test "x$mono_feature_disable_attach" = "xyes"; then
 859         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 860         AC_MSG_NOTICE([Disabled agent attach])
 861 fi
 862
 863 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 864         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 865         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 866 fi
 867
 868 if test "x$mono_feature_disable_verifier" = "xyes"; then
 869         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 870         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 871 fi
 872
 873 if test "x$mono_feature_disable_jit" = "xyes"; then
 874         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 875         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 876 fi
 877
 878 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 879
 880 if test "x$mono_feature_disable_simd" = "xyes"; then
 881         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 882         AC_MSG_NOTICE([Disabled SIMD support])
 883 fi
 884
 885 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 886         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 887         AC_MSG_NOTICE([Disabled Soft Debugger.])
 888 fi
 889
 890 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 891         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 892         AC_MSG_NOTICE([Disabled Performance Counters.])
 893 fi
 894 if test "x$mono_feature_disable_normalization" = "xyes"; then
 895         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 896         AC_MSG_NOTICE([Disabled String normalization support.])
 897 fi
 898
 899 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 900         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 901         AC_MSG_NOTICE([Disabled Assembly remapping.])
 902 fi
 903
 904 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 905         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 906         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 907 fi
 908
 909 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 910         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 911         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 912 fi
 913
 914 if test "x$mono_feature_disable_remoting" = "xyes"; then
 915         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 916         AC_MSG_NOTICE([Disabled remoting])
 917 fi
 918
 919 if test "x$mono_feature_disable_security" = "xyes"; then
 920         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 921         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 922 fi
 923
 924 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 925         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 926         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 927 fi
 928
 929 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 931         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 932 fi
 933
 934 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 935         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 936         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 937 fi
 938
 939 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 940         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 941         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 942 fi
 943
 944 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 945         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 946         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 947 fi
 948
 949 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 950         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 951         AC_SUBST(DISABLE_SHARED_HANDLES)
 952 fi
 953
 954 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 955 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 956
 957 has_extension_module=no
 958 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 959 [
 960         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 961                 if test x$extension = xdefault ; then
 962                         has_extension_module=yes;
 963                 fi
 964         done
 965         if test x$enable_extension_module = xyes; then
 966                 has_extension_module=yes;
 967         fi
 968 ], [])
 969
 970 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 971
 972 if test x$has_extension_module != xno ; then
 973         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 974         AC_MSG_NOTICE([Enabling mono extension module.])
 975 fi
 976
 977 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 978 if test x$enable_gsharing = xyes; then
 979         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 980 fi
 981
 982 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 983 if test x$enable_native_types = xyes; then
 984         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 985 fi
 986
 987 AC_MSG_CHECKING(for visibility __attribute__)
 988 AC_COMPILE_IFELSE([
 989         AC_LANG_SOURCE([[
 990                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 991                 int main () { doit (); return 0; }
 992         ]])
 993 ], [
 994    have_visibility_hidden=yes
 995    AC_MSG_RESULT(yes)
 996 ], [
 997    have_visibility_hidden=no
 998    AC_MSG_RESULT(no)
 999 ])
1000
1001 AC_MSG_CHECKING(for deprecated __attribute__)
1002 AC_TRY_COMPILE([
1003      int doit (void) __attribute__ ((deprecated));
1004      int doit (void) { return 0; }
1005 ], [
1006         return 0;
1007 ], [
1008    have_deprecated=yes
1009    AC_MSG_RESULT(yes)
1010 ], [
1011    have_deprecated=no
1012    AC_MSG_RESULT(no)
1013 ])
1014
1015 dnl
1016 dnl Boehm GC configuration
1017 dnl
1018
1019 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1020
1021 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1022 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1023
1024 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1025 if test x$enable_parallel_mark = xyes; then
1026         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1027 fi
1028
1029 gc_headers=no
1030 gc_msg=""
1031 use_included_gc=no
1032 LIBGC_CPPFLAGS=
1033 LIBGC_LIBS=
1034 LIBGC_STATIC_LIBS=
1035 libgc_dir=
1036 case "x$libgc" in
1037         xboehm|xbohem|xyes)
1038                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1039                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1040
1041                 if test "x$found_boehm" != "xyes"; then
1042                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1043                 fi
1044                 if test "x$gc_headers" != "xyes"; then
1045                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1046                 fi
1047
1048                 LIBGC_LIBS="-lgc $libdl"
1049                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1050                 libmono_ldflags="$libmono_ldflags -lgc"
1051                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1052
1053                 # AC_CHECK_FUNCS does not work for some reason...
1054                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1055                 if test "x$found_gcj_malloc" = "xyes"; then
1056                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1057                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1058                         gc_msg="System Boehm with typed GC"
1059                 else
1060                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1061                         gc_msg="System Boehm (without typed GC)"
1062                 fi
1063                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1064                 if test "x$found_gc_enable" = "xyes"; then
1065                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1066                 fi
1067
1068                 # check whether we need to explicitly allow
1069                 # thread registering
1070                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1071                 if test "x$found_allow_register_threads" = "xyes"; then
1072                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1073                 fi
1074                 ;;
1075
1076         xincluded)
1077                 use_included_gc=yes
1078                 if test "x$support_boehm" = "xyes"; then
1079                         libgc_dir=libgc
1080                 fi
1081
1082                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1083                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1084                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1085
1086                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1087
1088                 if test x$target_win32 = xyes; then
1089                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1090                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1091                 fi
1092
1093                 gc_msg="Included Boehm GC with typed GC"
1094                 if test x$enable_parallel_mark = xyes; then
1095                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1096                         gc_msg="$gc_msg and parallel mark"
1097                 else
1098                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1099                 fi
1100                 ;;
1101
1102         xsgen)
1103                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1104                 ;;
1105
1106         xnone)
1107                 AC_MSG_WARN("Compiling mono without GC.")
1108                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1109                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1110                 gc_msg="none"
1111                 ;;
1112         *)
1113                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1114                 ;;
1115 esac
1116
1117 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1118 if test "x$large_heap" = "xyes"; then
1119    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1120 fi
1121
1122 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1123 AC_SUBST(LIBGC_CPPFLAGS)
1124 AC_SUBST(LIBGC_LIBS)
1125 AC_SUBST(LIBGC_STATIC_LIBS)
1126 AC_SUBST(libgc_dir)
1127 AC_SUBST(BOEHM_DEFINES)
1128
1129 dnl
1130 dnl End of Boehm GC Configuration
1131 dnl
1132
1133 dnl *************************************
1134 dnl *** Checks for zero length arrays ***
1135 dnl *************************************
1136 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1137 AC_TRY_COMPILE([
1138         struct s {
1139                 int  length;
1140                 char data [0];
1141         };
1142 ], [], [
1143         AC_MSG_RESULT(yes)
1144         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1145 ], [
1146         AC_MSG_RESULT(no)
1147         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1148 ])
1149
1150 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1151
1152 dnl ***********************************
1153 dnl *** Checks for signals
1154 dnl ***********************************
1155 AC_CHECK_HEADERS(signal.h)
1156 AC_CHECK_FUNCS(sigaction)
1157
1158 if test x$target_win32 = xno; then
1159
1160         dnl hires monotonic clock support
1161         AC_SEARCH_LIBS(clock_gettime, rt)
1162
1163         dnl dynamic loader support
1164         AC_CHECK_FUNC(dlopen, DL_LIB="",
1165                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1166         )
1167         if test x$dl_support = xno; then
1168                 AC_MSG_WARN([No dynamic loading support available])
1169         else
1170                 LIBS="$LIBS $DL_LIB"
1171                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1172                 dnl from glib's configure.ac
1173                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1174                         mono_cv_uscore,[
1175                         AC_TRY_RUN([#include <dlfcn.h>
1176                         int mono_underscore_test (void) { return 42; }
1177                         int main() {
1178                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1179                           handle = dlopen ((void*)0, 0);
1180                           if (handle) {
1181                             f1 = dlsym (handle, "mono_underscore_test");
1182                             f2 = dlsym (handle, "_mono_underscore_test");
1183                           } return (!f2 || f1);
1184                         }],
1185                                 [mono_cv_uscore=yes],
1186                                 [mono_cv_uscore=no],
1187                         [])
1188                 ])
1189                 if test "x$mono_cv_uscore" = "xyes"; then
1190                         MONO_DL_NEED_USCORE=1
1191                 else
1192                         MONO_DL_NEED_USCORE=0
1193                 fi
1194                 AC_SUBST(MONO_DL_NEED_USCORE)
1195                 AC_CHECK_FUNC(dlerror)
1196         fi
1197
1198         dnl ******************************************************************
1199         dnl *** Checks for the IKVM JNI interface library                  ***
1200         dnl ******************************************************************
1201         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])
1202
1203         ikvm_native_dir=
1204         if test x$with_ikvm_native = xyes; then
1205                 ikvm_native_dir=ikvm-native
1206                 jdk_headers_found="IKVM Native"
1207         fi
1208
1209         AC_SUBST(ikvm_native_dir)
1210
1211         AC_CHECK_HEADERS(execinfo.h)
1212
1213         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1214
1215         AC_CHECK_FUNCS(getgrgid_r)
1216         AC_CHECK_FUNCS(getgrnam_r)
1217         AC_CHECK_FUNCS(getpwnam_r)
1218         AC_CHECK_FUNCS(getpwuid_r)
1219         AC_CHECK_FUNCS(getresuid)
1220         AC_CHECK_FUNCS(setresuid)
1221         AC_CHECK_FUNCS(kqueue)
1222         AC_CHECK_FUNCS(backtrace_symbols)
1223         AC_CHECK_FUNCS(mkstemp)
1224         AC_CHECK_FUNCS(mmap)
1225         AC_CHECK_FUNCS(madvise)
1226         AC_CHECK_FUNCS(getrusage)
1227         AC_CHECK_FUNCS(getpriority)
1228         AC_CHECK_FUNCS(setpriority)
1229         AC_CHECK_FUNCS(dl_iterate_phdr)
1230         AC_CHECK_FUNCS(dladdr)
1231         AC_CHECK_FUNCS(sysconf)
1232         AC_CHECK_FUNCS(getrlimit)
1233
1234         AC_CHECK_FUNCS(sched_setaffinity)
1235         AC_CHECK_FUNCS(sched_getcpu)
1236
1237         dnl ****************************************************************
1238         dnl *** Check for sched_setaffinity from glibc versions before   ***
1239         dnl *** 2.3.4. The older versions of the function only take 2    ***
1240         dnl *** parameters, not 3.                                       ***
1241         dnl ***                                                          ***
1242         dnl *** Because the interface change was not made in a minor     ***
1243         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1244         dnl *** won't always indicate the interface sched_affinity has.  ***
1245         dnl ****************************************************************
1246         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1247         AC_TRY_COMPILE([#include <sched.h>], [
1248             int mask = 1;
1249             sched_setaffinity(0, &mask);
1250                         return 0;
1251         ], [
1252                 # Yes, we have it...
1253                 AC_MSG_RESULT(yes)
1254                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1255         ], [
1256                 # We have the new, three-parameter version
1257                 AC_MSG_RESULT(no)
1258         ])
1259
1260
1261         dnl ******************************************************************
1262         dnl *** Check for large file support                               ***
1263         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1264         dnl ******************************************************************
1265
1266         # Check that off_t can represent 2**63 - 1 correctly, working around
1267         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1268         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1269         large_offt=no
1270         AC_DEFUN([LARGE_FILES], [
1271                 large_CPPFLAGS=$CPPFLAGS
1272                 CPPFLAGS="$CPPFLAGS $1"
1273                 AC_TRY_COMPILE([
1274                         #include <sys/types.h>
1275                         #include <limits.h>
1276                 ], [
1277                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1278                         #define COMPILE_TIME_ASSERT(pred) \
1279                                 switch(0){case 0:case pred:;}
1280                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1281                 ], [
1282                         AC_MSG_RESULT(ok)
1283                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1284                         large_CPPFLAGS="$large_CPPFLAGS $1"
1285                         large_offt=yes
1286                 ], [
1287                         AC_MSG_RESULT(no)
1288                 ])
1289                 CPPFLAGS=$large_CPPFLAGS
1290         ])
1291
1292         AC_MSG_CHECKING(if off_t is 64 bits wide)
1293         LARGE_FILES("")
1294         if test $large_offt = no; then
1295                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1296                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1297         fi
1298         if test $large_offt = no; then
1299                 AC_MSG_WARN([No 64 bit file size support available])
1300         fi
1301
1302         dnl *****************************
1303         dnl *** Checks for libsocket  ***
1304         dnl *****************************
1305         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1306
1307         case "$host" in
1308                 *-*-*freebsd*)
1309                         dnl *****************************
1310                         dnl *** Checks for libinotify ***
1311                         dnl *****************************
1312                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1313         esac
1314
1315         dnl *******************************
1316         dnl *** Checks for MSG_NOSIGNAL ***
1317         dnl *******************************
1318         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1319         AC_TRY_COMPILE([#include <sys/socket.h>], [
1320                 int f = MSG_NOSIGNAL;
1321         ], [
1322                 # Yes, we have it...
1323                 AC_MSG_RESULT(yes)
1324                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1325         ], [
1326                 # We'll have to use signals
1327                 AC_MSG_RESULT(no)
1328         ])
1329
1330         dnl *****************************
1331         dnl *** Checks for IPPROTO_IP ***
1332         dnl *****************************
1333         AC_MSG_CHECKING(for IPPROTO_IP)
1334         AC_TRY_COMPILE([#include <netinet/in.h>], [
1335                 int level = IPPROTO_IP;
1336         ], [
1337                 # Yes, we have it...
1338                 AC_MSG_RESULT(yes)
1339                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1340         ], [
1341                 # We'll have to use getprotobyname
1342                 AC_MSG_RESULT(no)
1343         ])
1344
1345         dnl *******************************
1346         dnl *** Checks for IPPROTO_IPV6 ***
1347         dnl *******************************
1348         AC_MSG_CHECKING(for IPPROTO_IPV6)
1349         AC_TRY_COMPILE([#include <netinet/in.h>], [
1350                 int level = IPPROTO_IPV6;
1351         ], [
1352                 # Yes, we have it...
1353                 AC_MSG_RESULT(yes)
1354                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1355         ], [
1356                 # We'll have to use getprotobyname
1357                 AC_MSG_RESULT(no)
1358         ])
1359
1360         dnl ******************************
1361         dnl *** Checks for IPPROTO_TCP ***
1362         dnl ******************************
1363         AC_MSG_CHECKING(for IPPROTO_TCP)
1364         AC_TRY_COMPILE([#include <netinet/in.h>], [
1365                 int level = IPPROTO_TCP;
1366         ], [
1367                 # Yes, we have it...
1368                 AC_MSG_RESULT(yes)
1369                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1370         ], [
1371                 # We'll have to use getprotobyname
1372                 AC_MSG_RESULT(no)
1373         ])
1374
1375         dnl *****************************
1376         dnl *** Checks for SOL_IP     ***
1377         dnl *****************************
1378         AC_MSG_CHECKING(for SOL_IP)
1379         AC_TRY_COMPILE([#include <netdb.h>], [
1380                 int level = SOL_IP;
1381         ], [
1382                 # Yes, we have it...
1383                 AC_MSG_RESULT(yes)
1384                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1385         ], [
1386                 # We'll have to use getprotobyname
1387                 AC_MSG_RESULT(no)
1388         ])
1389
1390         dnl *****************************
1391         dnl *** Checks for SOL_IPV6     ***
1392         dnl *****************************
1393         AC_MSG_CHECKING(for SOL_IPV6)
1394         AC_TRY_COMPILE([#include <netdb.h>], [
1395                 int level = SOL_IPV6;
1396         ], [
1397                 # Yes, we have it...
1398                 AC_MSG_RESULT(yes)
1399                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1400         ], [
1401                 # We'll have to use getprotobyname
1402                 AC_MSG_RESULT(no)
1403         ])
1404
1405         dnl *****************************
1406         dnl *** Checks for SOL_TCP    ***
1407         dnl *****************************
1408         AC_MSG_CHECKING(for SOL_TCP)
1409         AC_TRY_COMPILE([#include <netdb.h>], [
1410                 int level = SOL_TCP;
1411         ], [
1412                 # Yes, we have it...
1413                 AC_MSG_RESULT(yes)
1414                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1415         ], [
1416                 # We'll have to use getprotobyname
1417                 AC_MSG_RESULT(no)
1418         ])
1419
1420         dnl *****************************
1421         dnl *** Checks for IP_PKTINFO ***
1422         dnl *****************************
1423         AC_MSG_CHECKING(for IP_PKTINFO)
1424         AC_TRY_COMPILE([#include <linux/in.h>], [
1425                 int level = IP_PKTINFO;
1426         ], [
1427                 # Yes, we have it...
1428                 AC_MSG_RESULT(yes)
1429                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1430         ], [
1431                 AC_MSG_RESULT(no)
1432         ])
1433
1434         dnl *****************************
1435         dnl *** Checks for IPV6_PKTINFO ***
1436         dnl *****************************
1437         AC_MSG_CHECKING(for IPV6_PKTINFO)
1438         AC_TRY_COMPILE([#include <netdb.h>], [
1439                 int level = IPV6_PKTINFO;
1440         ], [
1441                 # Yes, we have it...
1442                 AC_MSG_RESULT(yes)
1443                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1444         ], [
1445                 AC_MSG_RESULT(no)
1446         ])
1447
1448         dnl **********************************
1449         dnl *** Checks for IP_DONTFRAG     ***
1450         dnl **********************************
1451         AC_MSG_CHECKING(for IP_DONTFRAG)
1452         AC_TRY_COMPILE([#include <netinet/in.h>], [
1453                 int level = IP_DONTFRAG;
1454         ], [
1455                 # Yes, we have it...
1456                 AC_MSG_RESULT(yes)
1457                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1458         ], [
1459                 AC_MSG_RESULT(no)
1460         ])
1461
1462         dnl **********************************
1463         dnl *** Checks for IP_DONTFRAGMENT ***
1464         dnl **********************************
1465         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1466         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1467                 int level = IP_DONTFRAGMENT;
1468         ], [
1469                 # Yes, we have it...
1470                 AC_MSG_RESULT(yes)
1471                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1472         ], [
1473                 AC_MSG_RESULT(no)
1474         ])
1475
1476         dnl **********************************
1477         dnl *** Checks for IP_MTU_DISCOVER ***
1478         dnl **********************************
1479         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1480         AC_TRY_COMPILE([#include <linux/in.h>], [
1481                 int level = IP_MTU_DISCOVER;
1482         ], [
1483                 # Yes, we have it...
1484                 AC_MSG_RESULT(yes)
1485                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1486         ], [
1487                 AC_MSG_RESULT(no)
1488         ])
1489
1490         dnl **********************************
1491         dnl *** Checks for  IP_PMTUDISC_DO ***
1492         dnl **********************************
1493         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1494         AC_TRY_COMPILE([#include <linux/in.h>], [
1495                 int level = IP_PMTUDISC_DO;
1496         ], [
1497                 # Yes, we have it...
1498                 AC_MSG_RESULT(yes)
1499                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1500         ], [
1501                 AC_MSG_RESULT(no)
1502         ])
1503
1504         dnl *********************************
1505         dnl *** Check for struct ip_mreqn ***
1506         dnl *********************************
1507         AC_MSG_CHECKING(for struct ip_mreqn)
1508         AC_TRY_COMPILE([#include <netinet/in.h>], [
1509                 struct ip_mreqn mreq;
1510                 mreq.imr_address.s_addr = 0;
1511         ], [
1512                 # Yes, we have it...
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1515         ], [
1516                 # We'll just have to try and use struct ip_mreq
1517                 AC_MSG_RESULT(no)
1518                 AC_MSG_CHECKING(for struct ip_mreq)
1519                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1520                         struct ip_mreq mreq;
1521                         mreq.imr_interface.s_addr = 0;
1522                 ], [
1523                         # Yes, we have it...
1524                         AC_MSG_RESULT(yes)
1525                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1526                 ], [
1527                         # No multicast support
1528                         AC_MSG_RESULT(no)
1529                 ])
1530         ])
1531
1532         dnl **********************************
1533         dnl *** Check for getaddrinfo ***
1534         dnl **********************************
1535         AC_MSG_CHECKING(for getaddrinfo)
1536                 AC_TRY_LINK([
1537                 #include <stdio.h>
1538                 #include <netdb.h>
1539         ], [
1540                 getaddrinfo(NULL,NULL,NULL,NULL);
1541         ], [
1542                 # Yes, we have it...
1543                 AC_MSG_RESULT(yes)
1544                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1545         ], [
1546                 AC_MSG_RESULT(no)
1547         ])
1548
1549         dnl **********************************
1550         dnl *** Check for gethostbyname2_r ***
1551         dnl **********************************
1552         AC_MSG_CHECKING(for gethostbyname2_r)
1553                 AC_TRY_LINK([
1554                 #include <stdio.h>
1555                 #include <netdb.h>
1556         ], [
1557
1558                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1559         ], [
1560                 # Yes, we have it...
1561                 AC_MSG_RESULT(yes)
1562                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1563         ], [
1564                 AC_MSG_RESULT(no)
1565         ])
1566
1567         dnl **********************************
1568         dnl *** Check for gethostbyname2 ***
1569         dnl **********************************
1570         AC_MSG_CHECKING(for gethostbyname2)
1571                 AC_TRY_LINK([
1572                 #include <stdio.h>
1573                 #include <netdb.h>
1574         ], [
1575                 gethostbyname2(NULL,0);
1576         ], [
1577                 # Yes, we have it...
1578                 AC_MSG_RESULT(yes)
1579                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1580         ], [
1581                 AC_MSG_RESULT(no)
1582         ])
1583
1584         dnl **********************************
1585         dnl *** Check for gethostbyname ***
1586         dnl **********************************
1587         AC_MSG_CHECKING(for gethostbyname)
1588                 AC_TRY_LINK([
1589                 #include <stdio.h>
1590                 #include <netdb.h>
1591         ], [
1592                 gethostbyname(NULL);
1593         ], [
1594                 # Yes, we have it...
1595                 AC_MSG_RESULT(yes)
1596                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1597         ], [
1598                 AC_MSG_RESULT(no)
1599         ])
1600
1601         dnl **********************************
1602         dnl *** Check for getprotobyname ***
1603         dnl **********************************
1604         AC_MSG_CHECKING(for getprotobyname)
1605                 AC_TRY_LINK([
1606                 #include <stdio.h>
1607                 #include <netdb.h>
1608         ], [
1609                 getprotobyname(NULL);
1610         ], [
1611                 # Yes, we have it...
1612                 AC_MSG_RESULT(yes)
1613                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1614         ], [
1615                 AC_MSG_RESULT(no)
1616         ])
1617
1618         dnl **********************************
1619         dnl *** Check for getnameinfo ***
1620         dnl **********************************
1621         AC_MSG_CHECKING(for getnameinfo)
1622                 AC_TRY_LINK([
1623                 #include <stdio.h>
1624                 #include <netdb.h>
1625         ], [
1626                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1627         ], [
1628                 # Yes, we have it...
1629                 AC_MSG_RESULT(yes)
1630                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1631         ], [
1632                 AC_MSG_RESULT(no)
1633         ])
1634
1635
1636         dnl **********************************
1637         dnl *** Check for inet_ntop ***
1638         dnl **********************************
1639         AC_MSG_CHECKING(for inet_ntop)
1640                 AC_TRY_LINK([
1641                 #include <stdio.h>
1642                 #include <arpa/inet.h>
1643         ], [
1644                 inet_ntop (0, NULL, NULL, 0);
1645         ], [
1646                 # Yes, we have it...
1647                 AC_MSG_RESULT(yes)
1648                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1649         ], [
1650                 AC_MSG_RESULT(no)
1651         ])
1652
1653         dnl *****************************
1654         dnl *** Checks for libnsl     ***
1655         dnl *****************************
1656         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1657
1658         AC_CHECK_FUNCS(inet_pton inet_aton)
1659
1660         dnl *****************************
1661         dnl *** Checks for libxnet    ***
1662         dnl *****************************
1663         case "${host}" in
1664                 *solaris* )
1665                         AC_MSG_CHECKING(for Solaris XPG4 support)
1666                         if test -f /usr/lib/libxnet.so; then
1667                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1668                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1669                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1670                                 LIBS="$LIBS -lxnet"
1671                                 AC_MSG_RESULT(yes)
1672                         else
1673                                 AC_MSG_RESULT(no)
1674                         fi
1675
1676                         if test "$GCC" = "yes"; then
1677                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1678                         fi
1679                 ;;
1680         esac
1681
1682         dnl *****************************
1683         dnl *** Checks for libpthread ***
1684         dnl *****************************
1685 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1686 # and libpthread does not exist
1687 #
1688         case "${host}" in
1689                 *-*-*freebsd*)
1690                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1691                 ;;
1692                 *-*-*openbsd*)
1693                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1694                 ;;
1695                 *)
1696                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1697                 ;;
1698         esac
1699         AC_CHECK_HEADERS(pthread.h)
1700         AC_CHECK_HEADERS(pthread_np.h)
1701         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1702         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1703         AC_CHECK_FUNCS(pthread_kill)
1704         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1705         AC_TRY_COMPILE([ #include <pthread.h>], [
1706                 pthread_mutexattr_t attr;
1707                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1708         ], [
1709                 AC_MSG_RESULT(ok)
1710         ], [
1711                 AC_MSG_RESULT(no)
1712                 AC_ERROR(Posix system lacks support for recursive mutexes)
1713         ])
1714         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1715         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1716         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1717
1718         dnl **********************************
1719         dnl *** Check for mincore ***
1720         dnl **********************************
1721         AC_MSG_CHECKING(for mincore)
1722                 AC_TRY_LINK([
1723                 #include <stdio.h>
1724                 #include <sys/types.h>
1725                 #include <sys/mman.h>
1726         ], [
1727                 mincore(NULL, 0, NULL);
1728         ], [
1729                 # Yes, we have it...
1730                 AC_MSG_RESULT(yes)
1731                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1732         ], [
1733                 AC_MSG_RESULT(no)
1734         ])
1735
1736         dnl ***********************************
1737         dnl *** Checks for working __thread ***
1738         dnl ***********************************
1739         AC_MSG_CHECKING(for working __thread)
1740         if test "x$with_tls" != "x__thread"; then
1741                 AC_MSG_RESULT(disabled)
1742         elif test "x$cross_compiling" = "xyes"; then
1743                 AC_MSG_RESULT(cross compiling, assuming yes)
1744         else
1745                 AC_TRY_RUN([
1746                         #if defined(__APPLE__) && defined(__clang__)
1747                         #error "__thread does not currently work with clang on Mac OS X"
1748                         #endif
1749
1750                         #include <pthread.h>
1751                         __thread int i;
1752                         static int res1, res2;
1753
1754                         void thread_main (void *arg)
1755                         {
1756                                 i = arg;
1757                                 sleep (1);
1758                                 if (arg == 1)
1759                                         res1 = (i == arg);
1760                                 else
1761                                         res2 = (i == arg);
1762                         }
1763
1764                         int main () {
1765                                 pthread_t t1, t2;
1766
1767                                 i = 5;
1768
1769                                 pthread_create (&t1, NULL, thread_main, 1);
1770                                 pthread_create (&t2, NULL, thread_main, 2);
1771
1772                                 pthread_join (t1, NULL);
1773                                 pthread_join (t2, NULL);
1774
1775                                 return !(res1 + res2 == 2);
1776                         }
1777                 ], [
1778                                 AC_MSG_RESULT(yes)
1779                 ], [
1780                                 AC_MSG_RESULT(no)
1781                                 with_tls=pthread
1782                 ])
1783         fi
1784
1785         dnl **************************************
1786         dnl *** Checks for working sigaltstack ***
1787         dnl **************************************
1788         AC_MSG_CHECKING(for working sigaltstack)
1789         if test "x$with_sigaltstack" != "xyes"; then
1790                 AC_MSG_RESULT(disabled)
1791         elif test "x$cross_compiling" = "xyes"; then
1792                 AC_MSG_RESULT(cross compiling, assuming yes)
1793         else
1794                 AC_TRY_RUN([
1795                         #include <stdio.h>
1796                         #include <stdlib.h>
1797                         #include <unistd.h>
1798                         #include <signal.h>
1799                         #include <pthread.h>
1800                         #include <sys/wait.h>
1801                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1802                         #define SA_STACK SA_ONSTACK
1803                         #endif
1804                         static void
1805                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1806                         {
1807                                 exit (0);
1808                         }
1809
1810                         volatile char*__ptr = NULL;
1811                         static void *
1812                         loop (void *ignored)
1813                         {
1814                                 *__ptr = 0;
1815                                 return NULL;
1816                         }
1817
1818                         static void
1819                         child ()
1820                         {
1821                                 struct sigaction sa;
1822                         #ifdef __APPLE__
1823                                 stack_t sas;
1824                         #else
1825                                 struct sigaltstack sas;
1826                         #endif
1827                                 pthread_t id;
1828                                 pthread_attr_t attr;
1829
1830                                 sa.sa_sigaction = sigsegv_signal_handler;
1831                                 sigemptyset (&sa.sa_mask);
1832                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1833                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1834                                         perror ("sigaction");
1835                                         return;
1836                                 }
1837
1838                                 /* x86 darwin deliver segfaults using SIGBUS */
1839                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1840                                         perror ("sigaction");
1841                                         return;
1842                                 }
1843                                 sas.ss_sp = malloc (SIGSTKSZ);
1844                                 sas.ss_size = SIGSTKSZ;
1845                                 sas.ss_flags = 0;
1846                                 if (sigaltstack (&sas, NULL) == -1) {
1847                                         perror ("sigaltstack");
1848                                         return;
1849                                 }
1850
1851                                 pthread_attr_init (&attr);
1852                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1853                                         printf ("pthread_create\n");
1854                                         return;
1855                                 }
1856
1857                                 sleep (100);
1858                         }
1859
1860                         int
1861                         main ()
1862                         {
1863                                 pid_t son;
1864                                 int status;
1865                                 int i;
1866
1867                                 son = fork ();
1868                                 if (son == -1) {
1869                                         return 1;
1870                                 }
1871
1872                                 if (son == 0) {
1873                                         child ();
1874                                         return 0;
1875                                 }
1876
1877                                 for (i = 0; i < 300; ++i) {
1878                                         waitpid (son, &status, WNOHANG);
1879                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1880                                                 return 0;
1881                                         usleep (10000);
1882                                 }
1883
1884                                 kill (son, SIGKILL);
1885                                 return 1;
1886                         }
1887
1888                 ], [
1889                                 AC_MSG_RESULT(yes)
1890                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1891                 ], [
1892                                 with_sigaltstack=no
1893                                 AC_MSG_RESULT(no)
1894                 ])
1895         fi
1896
1897         dnl ********************************
1898         dnl *** Checks for semaphore lib ***
1899         dnl ********************************
1900         # 'Real Time' functions on Solaris
1901         # posix4 on Solaris 2.6
1902         # pthread (first!) on Linux
1903         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1904
1905         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1906         AC_CHECK_FUNCS(shm_open)
1907
1908         dnl ********************************
1909         dnl *** Checks for timezone stuff **
1910         dnl ********************************
1911         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1912                 AC_TRY_COMPILE([
1913                         #include <time.h>
1914                         ], [
1915                         struct tm tm;
1916                         tm.tm_gmtoff = 1;
1917                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1918         if test $ac_cv_struct_tm_gmtoff = yes; then
1919                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1920         else
1921                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1922                         AC_TRY_COMPILE([
1923                                 #include <time.h>
1924                         ], [
1925                                 timezone = 1;
1926                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1927                 if test $ac_cv_var_timezone = yes; then
1928                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1929                 else
1930                         AC_ERROR(unable to find a way to determine timezone)
1931                 fi
1932         fi
1933
1934         dnl *********************************
1935         dnl *** Checks for math functions ***
1936         dnl *********************************
1937         AC_SEARCH_LIBS(sqrtf, m)
1938         if test "x$has_broken_apple_cpp" != "xyes"; then
1939                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1940                         AC_TRY_LINK([#include <math.h>],
1941                         [ finite(0.0); ],
1942                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1943                         AC_MSG_RESULT(no)))
1944         fi
1945         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1946                 AC_TRY_LINK([#include <math.h>],
1947                 [ isfinite(0.0); ],
1948                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1949                 AC_MSG_RESULT(no)))
1950
1951         dnl ****************************************************************
1952         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1953         dnl *** have it in the library (duh))                            ***
1954         dnl ****************************************************************
1955         AC_CHECK_FUNCS(poll)
1956
1957         dnl *************************
1958         dnl *** Check for signbit ***
1959         dnl *************************
1960         AC_MSG_CHECKING(for signbit)
1961         AC_TRY_LINK([#include <math.h>], [
1962                 int s = signbit(1.0);
1963         ], [
1964                 AC_MSG_RESULT(yes)
1965                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1966         ], [
1967                 AC_MSG_RESULT(no)
1968         ])
1969
1970         dnl **********************************
1971         dnl *** epoll                      ***
1972         dnl **********************************
1973         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1974                 AC_CHECK_HEADERS(sys/epoll.h)
1975                 haveepoll=no
1976                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1977                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1978                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1979                 fi
1980         fi
1981
1982         havekqueue=no
1983
1984         AC_CHECK_HEADERS(sys/event.h)
1985         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1986
1987         dnl **************************************
1988         dnl * Darwin has a race that prevents us from using reliably:
1989         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1990         dnl * Since kqueue is mostly used for scaling large web servers,
1991         dnl * and very few folks run Mono on large web servers on OSX, falling
1992         dnl * back
1993         dnl **************************************
1994         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1995                 if test "x$platform_darwin" = "xno"; then
1996                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1997                 fi
1998         fi
1999
2000         dnl ******************************
2001         dnl *** Checks for SIOCGIFCONF ***
2002         dnl ******************************
2003         AC_CHECK_HEADERS(sys/ioctl.h)
2004         AC_CHECK_HEADERS(net/if.h, [], [],
2005            [
2006            #ifdef HAVE_SYS_TYPES_H
2007            # include <sys/types.h>
2008            #endif
2009            #ifdef HAVE_SYS_SOCKET_H
2010            # include <sys/socket.h>
2011            #endif
2012            ])
2013         AC_MSG_CHECKING(for ifreq)
2014         AC_TRY_COMPILE([
2015                 #include <stdio.h>
2016                 #include <sys/ioctl.h>
2017                 #include <net/if.h>
2018                 ], [
2019                 struct ifconf ifc;
2020                 struct ifreq *ifr;
2021                 void *x;
2022                 ifc.ifc_len = 0;
2023                 ifc.ifc_buf = NULL;
2024                 x = (void *) &ifr->ifr_addr;
2025                 ],[
2026                         AC_MSG_RESULT(yes)
2027                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2028                 ], [
2029                         AC_MSG_RESULT(no)
2030                 ])
2031         dnl **********************************
2032         dnl ***     Checks for sin_len     ***
2033         dnl **********************************
2034         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2035         AC_TRY_COMPILE([
2036                 #include <netinet/in.h>
2037                 ], [
2038                 struct sockaddr_in saddr;
2039                 saddr.sin_len = sizeof (saddr);
2040                 ],[
2041                         AC_MSG_RESULT(yes)
2042                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2043                 ], [
2044                         AC_MSG_RESULT(no)
2045                 ])
2046         dnl **********************************
2047         dnl ***    Checks for sin6_len     ***
2048         dnl **********************************
2049         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2050         AC_TRY_COMPILE([
2051                 #include <netinet/in.h>
2052                 ], [
2053                 struct sockaddr_in6 saddr6;
2054                 saddr6.sin6_len = sizeof (saddr6);
2055                 ],[
2056                         AC_MSG_RESULT(yes)
2057                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2058                 ], [
2059                         AC_MSG_RESULT(no)
2060                 ])
2061         dnl **********************************
2062         dnl *** Check for getifaddrs       ***
2063         dnl **********************************
2064         AC_MSG_CHECKING(for getifaddrs)
2065                 AC_TRY_LINK([
2066                 #include <stdio.h>
2067                 #include <sys/types.h>
2068                 #include <sys/socket.h>
2069                 #include <ifaddrs.h>
2070         ], [
2071                 getifaddrs(NULL);
2072         ], [
2073                 # Yes, we have it...
2074                 AC_MSG_RESULT(yes)
2075                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2076         ], [
2077                 AC_MSG_RESULT(no)
2078         ])
2079         dnl **********************************
2080         dnl *** Check for if_nametoindex   ***
2081         dnl **********************************
2082         AC_MSG_CHECKING(for if_nametoindex)
2083                 AC_TRY_LINK([
2084                 #include <stdio.h>
2085                 #include <sys/types.h>
2086                 #include <sys/socket.h>
2087                 #include <net/if.h>
2088         ], [
2089                 if_nametoindex(NULL);
2090         ], [
2091                 # Yes, we have it...
2092                 AC_MSG_RESULT(yes)
2093                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2094         ], [
2095                 AC_MSG_RESULT(no)
2096         ])
2097
2098         dnl **********************************
2099         dnl *** Checks for MonoPosixHelper ***
2100         dnl **********************************
2101         AC_CHECK_HEADERS(checklist.h)
2102         AC_CHECK_HEADERS(pathconf.h)
2103         AC_CHECK_HEADERS(fstab.h)
2104         AC_CHECK_HEADERS(attr/xattr.h)
2105         AC_CHECK_HEADERS(sys/extattr.h)
2106         AC_CHECK_HEADERS(sys/sendfile.h)
2107         AC_CHECK_HEADERS(sys/statvfs.h)
2108         AC_CHECK_HEADERS(sys/statfs.h)
2109         AC_CHECK_HEADERS(sys/vfstab.h)
2110         AC_CHECK_HEADERS(sys/xattr.h)
2111         AC_CHECK_HEADERS(sys/mman.h)
2112         AC_CHECK_HEADERS(sys/param.h)
2113         AC_CHECK_HEADERS(sys/mount.h, [], [],
2114                 [
2115                 #ifdef HAVE_SYS_PARAM_H
2116                 # include <sys/param.h>
2117                 #endif
2118                 ])
2119         AC_CHECK_HEADERS(sys/mount.h)
2120         AC_CHECK_FUNCS(confstr)
2121         AC_CHECK_FUNCS(seekdir telldir)
2122         AC_CHECK_FUNCS(getdomainname)
2123         AC_CHECK_FUNCS(setdomainname)
2124         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2125         AC_CHECK_FUNCS(setgroups)
2126         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2127         AC_CHECK_FUNCS(getfsstat)
2128         AC_CHECK_FUNCS(lutimes futimes)
2129         AC_CHECK_FUNCS(mremap)
2130         AC_CHECK_FUNCS(remap_file_pages)
2131         AC_CHECK_FUNCS(posix_fadvise)
2132         AC_CHECK_FUNCS(posix_fallocate)
2133         AC_CHECK_FUNCS(posix_madvise)
2134         AC_CHECK_FUNCS(vsnprintf)
2135         AC_CHECK_FUNCS(sendfile)
2136         AC_CHECK_FUNCS(gethostid sethostid)
2137         AC_CHECK_FUNCS(sethostname)
2138         AC_CHECK_FUNCS(statfs)
2139         AC_CHECK_FUNCS(fstatfs)
2140         AC_CHECK_FUNCS(statvfs)
2141         AC_CHECK_FUNCS(fstatvfs)
2142         AC_CHECK_FUNCS(stime)
2143         AC_CHECK_FUNCS(strerror_r)
2144         AC_CHECK_FUNCS(ttyname_r)
2145         AC_CHECK_FUNCS(psignal)
2146         AC_CHECK_FUNCS(getlogin_r)
2147         AC_CHECK_FUNCS(lockf)
2148         AC_CHECK_FUNCS(swab)
2149         AC_CHECK_FUNCS(setusershell endusershell)
2150         AC_CHECK_FUNCS(futimens utimensat)
2151         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2152         AC_CHECK_FUNCS(readv writev preadv pwritev)
2153         AC_CHECK_FUNCS(setpgid)
2154         AC_CHECK_SIZEOF(size_t)
2155         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2156                 [#include <sys/types.h>
2157                  #include <sys/stat.h>
2158                  #include <unistd.h>])
2159         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2160                 [#include <sys/types.h>
2161                  #include <sys/stat.h>
2162                  #include <unistd.h>])
2163         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2164                 [#include <sys/time.h>])
2165         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2166                 [#include <unistd.h>
2167                  #include <fcntl.h>])
2168         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2169                 [#include <sys/uio.h>])
2170         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2171                 [#include <sys/poll.h>])
2172         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2173                 [#include <sys/types.h>
2174                  #include <sys/stat.h>
2175                  #include <unistd.h>])
2176         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2177                 [#include <time.h>])
2178         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2179                 [#include <sys/time.h>
2180                  #include <sys/types.h>
2181                  #include <utime.h>])
2182         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2183                 [#include <sys/time.h>])
2184         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2185                 [#include <sys/types.h>
2186                  #include <utime.h>])
2187         AC_CHECK_MEMBERS(
2188                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2189                 [#include <sys/types.h>
2190                  #include <dirent.h>])
2191         AC_CHECK_MEMBERS(
2192                 [struct passwd.pw_gecos],,,
2193                 [#include <sys/types.h>
2194                  #include <pwd.h>])
2195         AC_CHECK_MEMBERS(
2196                 [struct statfs.f_flags],,,
2197                 [#include <sys/types.h>
2198                  #include <sys/vfs.h>])
2199         AC_CHECK_MEMBERS(
2200                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2201                 [#include <sys/types.h>
2202                  #include <sys/stat.h>
2203                  #include <unistd.h>])
2204
2205         dnl Favour xattr through glibc, but use libattr if we have to
2206         AC_CHECK_FUNC(lsetxattr, ,
2207                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2208         )
2209         AC_SUBST(XATTR_LIB)
2210
2211         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2212         AC_CHECK_MEMBERS(
2213                 [struct kinfo_proc.kp_proc],,,
2214                 [#include <sys/types.h>
2215                  #include <sys/param.h>
2216                  #include <sys/sysctl.h>
2217                  #include <sys/proc.h>
2218                  ])
2219
2220         dnl *********************************
2221         dnl *** Checks for Windows compilation ***
2222         dnl *********************************
2223         AC_CHECK_HEADERS(sys/time.h)
2224         AC_CHECK_HEADERS(sys/param.h)
2225         AC_CHECK_HEADERS(dirent.h)
2226
2227         dnl ******************************************
2228         dnl *** Checks for OSX and iOS compilation ***
2229         dnl ******************************************
2230         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2231
2232         dnl *********************************
2233         dnl *** Check for Console 2.0 I/O ***
2234         dnl *********************************
2235         AC_CHECK_HEADERS([curses.h])
2236         AC_CHECK_HEADERS([term.h], [], [],
2237         [#if HAVE_CURSES_H
2238          #include <curses.h>
2239          #endif
2240         ])
2241         AC_CHECK_HEADERS([termios.h])
2242
2243         dnl * This is provided in io-layer, but on windows it's only available
2244         dnl * on xp+
2245         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2246 else
2247         dnl *********************************
2248         dnl *** Checks for Windows compilation ***
2249         dnl *********************************
2250         AC_CHECK_HEADERS(winternl.h)
2251
2252         jdk_headers_found=no
2253         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2254         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2255         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2256         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2257         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2258         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2259         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2260
2261         dnl *********************************
2262         dnl *** Check for struct ip_mreqn ***
2263         dnl *********************************
2264         AC_MSG_CHECKING(for struct ip_mreqn)
2265         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2266                 struct ip_mreqn mreq;
2267                 mreq.imr_address.s_addr = 0;
2268         ], [
2269                 # Yes, we have it...
2270                 AC_MSG_RESULT(yes)
2271                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2272         ], [
2273                 # We'll just have to try and use struct ip_mreq
2274                 AC_MSG_RESULT(no)
2275                 AC_MSG_CHECKING(for struct ip_mreq)
2276                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2277                         struct ip_mreq mreq;
2278                         mreq.imr_interface.s_addr = 0;
2279                 ], [
2280                         # Yes, we have it...
2281                         AC_MSG_RESULT(yes)
2282                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2283                 ], [
2284                         # No multicast support
2285                         AC_MSG_RESULT(no)
2286                 ])
2287         ])
2288
2289         dnl **********************************
2290         dnl *** Check for getaddrinfo ***
2291         dnl **********************************
2292         AC_MSG_CHECKING(for getaddrinfo)
2293                 AC_TRY_LINK([
2294                 #include <stdio.h>
2295                 #include <winsock2.h>
2296                 #include <ws2tcpip.h>
2297         ], [
2298                 getaddrinfo(NULL,NULL,NULL,NULL);
2299         ], [
2300                 # Yes, we have it...
2301                 AC_MSG_RESULT(yes)
2302                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2303         ], [
2304                 AC_MSG_RESULT(no)
2305         ])
2306
2307         dnl **********************************
2308         dnl *** Check for gethostbyname ***
2309         dnl **********************************
2310         AC_MSG_CHECKING(for gethostbyname)
2311                 AC_TRY_LINK([
2312                 #include <stdio.h>
2313                 #include <winsock2.h>
2314                 #include <ws2tcpip.h>
2315         ], [
2316                 gethostbyname(NULL);
2317         ], [
2318                 # Yes, we have it...
2319                 AC_MSG_RESULT(yes)
2320                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2321         ], [
2322                 AC_MSG_RESULT(no)
2323         ])
2324
2325         dnl **********************************
2326         dnl *** Check for getprotobyname ***
2327         dnl **********************************
2328         AC_MSG_CHECKING(for getprotobyname)
2329                 AC_TRY_LINK([
2330                 #include <stdio.h>
2331                 #include <winsock2.h>
2332                 #include <ws2tcpip.h>
2333         ], [
2334                 getprotobyname(NULL);
2335         ], [
2336                 # Yes, we have it...
2337                 AC_MSG_RESULT(yes)
2338                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2339         ], [
2340                 AC_MSG_RESULT(no)
2341         ])
2342
2343         dnl **********************************
2344         dnl *** Check for getnameinfo ***
2345         dnl **********************************
2346         AC_MSG_CHECKING(for getnameinfo)
2347                 AC_TRY_LINK([
2348                 #include <stdio.h>
2349                 #include <winsock2.h>
2350                 #include <ws2tcpip.h>
2351         ], [
2352                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2353         ], [
2354                 # Yes, we have it...
2355                 AC_MSG_RESULT(yes)
2356                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2357         ], [
2358                 AC_MSG_RESULT(no)
2359         ])
2360
2361         dnl **********************************
2362         dnl *** Check for inet_ntop ***
2363         dnl **********************************
2364         AC_MSG_CHECKING(for inet_ntop)
2365                 AC_TRY_LINK([
2366                 #include <stdio.h>
2367                 #include <winsock2.h>
2368                 #include <ws2tcpip.h>
2369         ], [
2370                 inet_ntop (0, NULL, NULL, 0);
2371         ], [
2372                 # Yes, we have it...
2373                 AC_MSG_RESULT(yes)
2374                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2375         ], [
2376                 AC_MSG_RESULT(no)
2377         ])
2378
2379         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2380         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2381         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2382         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2383         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2384         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2385         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2386
2387         AC_MSG_CHECKING(for GetProcessId)
2388         AC_TRY_COMPILE([#include <windows.h>], [
2389                 GetProcessId (0);
2390         ], [
2391            AC_MSG_RESULT(yes)
2392            AC_DEFINE(HAVE_GETPROCESSID)
2393         ], [
2394            AC_MSG_RESULT(no)
2395         ])
2396 fi
2397
2398 dnl socklen_t check
2399 AC_MSG_CHECKING(for socklen_t)
2400 AC_TRY_COMPILE([
2401 #include <sys/types.h>
2402 #include <sys/socket.h>
2403 ],[
2404   socklen_t foo;
2405 ],[
2406 ac_cv_c_socklen_t=yes
2407         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2408         AC_MSG_RESULT(yes)
2409 ],[
2410         AC_MSG_RESULT(no)
2411 ])
2412
2413 AC_MSG_CHECKING(for array element initializer support)
2414 AC_TRY_COMPILE([#include <sys/socket.h>], [
2415         const int array[] = {[1] = 2,};
2416 ], [
2417         # Yes, we have it...
2418         AC_MSG_RESULT(yes)
2419         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2420 ], [
2421         # We'll have to use signals
2422         AC_MSG_RESULT(no)
2423 ])
2424
2425 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2426         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2427         AC_TRY_LINK([#include <math.h>],
2428         [ static void *p = &trunc; ],
2429         [
2430                 AC_DEFINE(HAVE_TRUNC)
2431                 AC_MSG_RESULT(yes)
2432                 ac_cv_trunc=yes
2433         ],
2434         AC_MSG_RESULT(no)))
2435
2436 if test "x$ac_cv_truncl" != "xyes"; then
2437    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2438 fi
2439
2440 AC_CHECK_FUNCS(round)
2441 AC_CHECK_FUNCS(rint)
2442 AC_CHECK_FUNCS(execvp)
2443
2444 dnl ****************************
2445 dnl *** Look for /dev/random ***
2446 dnl ****************************
2447
2448 AC_MSG_CHECKING([if usage of random device is requested])
2449 AC_ARG_ENABLE(dev-random,
2450 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2451 try_dev_random=$enableval, try_dev_random=yes)
2452
2453 AC_MSG_RESULT($try_dev_random)
2454
2455 case "{$build}" in
2456     *-openbsd*)
2457     NAME_DEV_RANDOM="/dev/srandom"
2458     ;;
2459
2460 dnl Win32 does not have /dev/random, they have their own method...
2461
2462     *-mingw*|*-*-cygwin*)
2463     ac_cv_have_dev_random=no
2464     ;;
2465
2466 dnl Everywhere else, it's /dev/random
2467
2468     *)
2469     NAME_DEV_RANDOM="/dev/random"
2470     ;;
2471 esac
2472
2473 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2474
2475 dnl Now check if the device actually exists
2476
2477 if test "x$try_dev_random" = "xyes"; then
2478     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2479     [if test -r "$NAME_DEV_RANDOM" ; then
2480         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2481     if test "x$ac_cv_have_dev_random" = "xyes"; then
2482         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2483     fi
2484 else
2485     AC_MSG_CHECKING(for random device)
2486     ac_cv_have_dev_random=no
2487     AC_MSG_RESULT(has been disabled)
2488 fi
2489
2490 if test "x$host_win32" = "xyes"; then
2491     AC_DEFINE(HAVE_CRYPT_RNG)
2492 fi
2493
2494 if test "x$ac_cv_have_dev_random" = "xno" \
2495     && test "x$host_win32" = "xno"; then
2496     AC_MSG_WARN([[
2497 ***
2498 *** A system-provided entropy source was not found on this system.
2499 *** Because of this, the System.Security.Cryptography random number generator
2500 *** will throw a NotImplemented exception.
2501 ***
2502 *** If you are seeing this message, and you know your system DOES have an
2503 *** entropy collection in place, please contact <crichton@gimp.org> and
2504 *** provide information about the system and how to access the random device.
2505 ***
2506 *** Otherwise you can install either egd or prngd and set the environment
2507 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2508 ***]])
2509 fi
2510
2511 AC_MSG_CHECKING([if inter-process shared handles are requested])
2512 # Same as --enable-minimal=shared_handles
2513 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2514 AC_MSG_RESULT($try_shared_handles)
2515 if test "x$try_shared_handles" != "xyes"; then
2516         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2517         AC_SUBST(DISABLE_SHARED_HANDLES)
2518 fi
2519
2520 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2521
2522 AC_MSG_CHECKING([if big-arrays are to be enabled])
2523 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2524 if test "x$enable_big_arrays" = "xyes" ; then
2525     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2526         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2527     else
2528         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2529     fi
2530 fi
2531 AC_MSG_RESULT($enable_big_arrays)
2532
2533 dnl **************
2534 dnl *** DTRACE ***
2535 dnl **************
2536
2537 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2538
2539 if test "x$enable_dtrace" = "xyes"; then
2540    if test "x$has_dtrace" = "xno"; then
2541           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2542    fi
2543    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2544    if test "x$DTRACE" = "xno"; then
2545           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2546           enable_dtrace=no
2547    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2548           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2549           enable_dtrace=no
2550    fi
2551 fi
2552
2553 dtrace_g=no
2554 if test "x$enable_dtrace" = "xyes"; then
2555         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2556         DTRACEFLAGS=
2557         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2558                 case "$host" in
2559                         powerpc-*-darwin*)
2560                         DTRACEFLAGS="-arch ppc64"
2561                         ;;
2562                         i*86-*-darwin*)
2563                         DTRACEFLAGS="-arch x86_64"
2564                         ;;
2565                         *)
2566                         DTRACEFLAGS=-64
2567                         ;;
2568                 esac
2569         else
2570                 case "$host" in
2571                         powerpc-*-darwin*)
2572                         DTRACEFLAGS="-arch ppc"
2573                         ;;
2574                         i*86-*-darwin*)
2575                         DTRACEFLAGS="-arch i386"
2576                         ;;
2577                         *)
2578                         DTRACEFLAGS=-32
2579                         ;;
2580                 esac
2581         fi
2582         AC_SUBST(DTRACEFLAGS)
2583         case "$host" in
2584                 *-*-solaris*)
2585                 dtrace_g=yes
2586                 ;;
2587         esac
2588         AC_CHECK_HEADERS([sys/sdt.h])
2589 fi
2590 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2591 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2592
2593 dnl **************
2594 dnl ***  NaCl  ***
2595 dnl **************
2596
2597 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2598 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2599
2600 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2601
2602 dnl
2603 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2604 dnl
2605 nacl_self_host=""
2606 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2607    nacl_self_host="nacl_self_host"
2608 fi
2609 AC_SUBST(nacl_self_host)
2610
2611 if test "x$enable_nacl_codegen" = "xyes"; then
2612    MONO_NACL_ALIGN_MASK_OFF=1
2613    AC_DEFINE(TARGET_NACL, 1, [...])
2614    AC_DEFINE(__native_client_codegen__, 1, [...])
2615 else
2616    MONO_NACL_ALIGN_MASK_OFF=0
2617    AC_DEFINE(__default_codegen__, 1, [...])
2618 fi
2619 if test "x$enable_nacl_gc" = "xyes"; then
2620    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2621       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2622    else
2623       # Not yet implemented
2624       INSTRUMENT_CFLAG=""
2625    fi
2626    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2627 fi
2628 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2629
2630 dnl **************
2631 dnl ***  LLVM  ***
2632 dnl **************
2633
2634 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2635 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2636 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2637
2638 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2639
2640 if test "x$enable_llvm" = "xyes"; then
2641    if test "x$with_llvm" != "x"; then
2642           LLVM_CONFIG=$with_llvm/bin/llvm-config
2643           if test x$target_win32 = xyes; then
2644                 LLVM_CONFIG=$LLVM_CONFIG.exe
2645           fi
2646           if test ! -x $LLVM_CONFIG; then
2647                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2648       fi
2649    else
2650       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2651       if test "x$LLVM_CONFIG" = "xno"; then
2652              AC_MSG_ERROR([llvm-config not found.])
2653       fi
2654    fi
2655
2656    llvm_codegen="x86codegen"
2657    case "$target" in
2658    arm*)
2659                 llvm_codegen="armcodegen"
2660                 ;;
2661    esac
2662
2663    if test "x$target_win32" = "xno"; then
2664
2665    # The output of --cflags seems to include optimizations flags too
2666    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2667    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2668    # from LLVM classes.
2669    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2670    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2671    # This might include empty lines
2672    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2673    if test "x$host" != "x$target"; then
2674       # No need for jit libs
2675       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2676    else
2677       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2678    fi
2679    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2680
2681    expected_llvm_version="3.4svn-mono-mono/e656cac"
2682
2683    # Should be something like '2.6' or '2.7svn'
2684    llvm_version=`$LLVM_CONFIG --version`
2685    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2686    AC_MSG_CHECKING(LLVM version)
2687    AC_MSG_RESULT($llvm_version)
2688    if echo $llvm_version | grep -q 'mono'; then
2689           if test "x$enable_llvm_version_check" == "xyes"; then
2690                  if test "$llvm_version" != "$expected_llvm_version"; then
2691                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2692                  fi
2693           fi
2694    else
2695           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2696    fi
2697
2698    else
2699        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2700        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2701        LLVM_LDFLAGS="-L$with_llvm/lib"
2702        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2703        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2704          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2705          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2706          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2707          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2708          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2709          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2710          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2711          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2712          -lLLVMSupport -lstdc++"
2713        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2714
2715        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2716        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2717    fi
2718
2719    if test "x$llvm_api_version" = "x"; then
2720           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2721           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2722    else
2723           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2724           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2725    fi
2726
2727    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2728
2729    AC_SUBST(LLVM_CFLAGS)
2730    AC_SUBST(LLVM_CXXFLAGS)
2731    AC_SUBST(LLVM_LIBS)
2732    AC_SUBST(LLVM_LDFLAGS)
2733    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2734 fi
2735
2736 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2737 if test "x$enable_loadedllvm" = "xyes"; then
2738    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2739 fi
2740 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2741
2742 TARGET="unknown"
2743 ACCESS_UNALIGNED="yes"
2744
2745 LIBC="libc.so.6"
2746 INTL="libc.so.6"
2747 SQLITE="libsqlite.so.0"
2748 SQLITE3="libsqlite3.so.0"
2749 X11="libX11.so"
2750 GDKX11="libgdk-x11-2.0.so.0"
2751 GTKX11="libgtk-x11-2.0.so.0"
2752 XINERAMA="libXinerama.so.1"
2753
2754 sizeof_register="SIZEOF_VOID_P"
2755
2756 jit_wanted=true
2757 sgen_supported=false
2758 boehm_supported=true
2759 case "$host" in
2760         mips*)
2761                 TARGET=MIPS;
2762                 arch_target=mips;
2763                 sgen_supported=true
2764                 ACCESS_UNALIGNED="no"
2765
2766                 AC_MSG_CHECKING(for mips n32)
2767                 AC_TRY_COMPILE([],[
2768                 #if _MIPS_SIM != _ABIN32
2769                 #error Not mips n32
2770                 #endif
2771                 return 0;
2772                 ],[
2773                 AC_MSG_RESULT(yes)
2774                 sizeof_register=8
2775                 ],[
2776                 AC_MSG_RESULT(no)
2777                 ])
2778                 ;;
2779         i*86-*-*)
2780                 TARGET=X86;
2781                 arch_target=x86;
2782                 case $host_os in
2783                   solaris*)
2784                         LIBC="libc.so"
2785                         INTL="libintl.so"
2786                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2787                                 TARGET=AMD64
2788                                 arch_target=amd64
2789                         fi
2790
2791                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2792                         # int astruct __attribute__ ((visibility ("hidden")));
2793                         # void foo ()
2794                         # {
2795                         #       void *p = &astruct;
2796                         # }
2797                         # gcc -fPIC --shared -o libfoo.so foo.c
2798                         # yields:
2799                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2800                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2801                         have_visibility_hidden=no
2802                         sgen_supported=true
2803                         ;;
2804                   mingw*|cygwin*)
2805                         sgen_supported=true
2806                         have_visibility_hidden=no
2807                         ;;
2808                   haiku*)
2809                         LIBC=libroot.so
2810                         ;;
2811                   linux*)
2812                         sgen_supported=true
2813                         AOT_SUPPORTED="yes"
2814                         ;;
2815                   darwin*)
2816                         sgen_supported=true
2817                         AOT_SUPPORTED="yes"
2818                         ;;
2819                   openbsd*|freebsd*|kfreebsd-gnu*)
2820                         sgen_supported=true
2821                         ;;
2822                 esac
2823                 ;;
2824         x86_64-*-* | amd64-*-*)
2825                 TARGET=AMD64;
2826                 arch_target=amd64;
2827                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2828                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2829                         sizeof_register=8
2830                 fi
2831                 case $host_os in
2832                   linux*)
2833                         sgen_supported=true
2834                         AOT_SUPPORTED="yes"
2835                         ;;
2836                   darwin*)
2837                         sgen_supported=true
2838                         AOT_SUPPORTED="yes"
2839                         ;;
2840                   openbsd*|freebsd*|kfreebsd-gnu*)
2841                         sgen_supported=true
2842                         ;;
2843                   mingw*)
2844                         sgen_supported=true
2845                         ;;
2846                 esac
2847                 case "$host" in
2848                         x86_64-*-nacl*)
2849                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2850                                 sizeof_register=8
2851                                 ;;
2852                 esac
2853                 ;;
2854         ia64-*-*)
2855                 TARGET=IA64
2856                 arch_target=ia64
2857                 ACCESS_UNALIGNED="no"
2858                 LIBC="libc.so.6.1"
2859                 INTL="libc.so.6.1"
2860                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2861                 libmono_ldflags="-lunwind"
2862                 ;;
2863         sparc*-*-*)
2864                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2865                    TARGET=SPARC64
2866                 else
2867                         TARGET=SPARC
2868                 fi
2869                 arch_target=sparc;
2870                 ACCESS_UNALIGNED="no"
2871                 case $host_os in
2872                   linux*) ;;
2873                   *)
2874                         LIBC="libc.so"
2875                         INTL="libintl.so"
2876                 esac
2877                 if test x"$GCC" = xyes; then
2878                         # We don't support v8 cpus
2879                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2880                 fi
2881                 if test x"$AR" = xfalse; then
2882                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2883                 fi
2884                 sgen_supported=true
2885                 ;;
2886         *-mingw*|*-*-cygwin*)
2887                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2888                 have_visibility_hidden=no
2889                 INTL="intl"
2890                 ;;
2891         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2892         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2893                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2894                         TARGET=POWERPC64;
2895                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2896                         CFLAGS="$CFLAGS -mminimal-toc"
2897                 else
2898                         TARGET=POWERPC;
2899                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2900                 fi
2901                 arch_target=ppc;
2902                 case $host_os in
2903                   linux*|darwin*)
2904                         sgen_supported=true
2905                         ;;
2906                 esac
2907                 ;;
2908         arm*-darwin*)
2909                 TARGET=ARM;
2910                 arch_target=arm;
2911                 ACCESS_UNALIGNED="no"
2912                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2913                 sgen_supported=true
2914                 ;;
2915         arm*-linux*)
2916                 TARGET=ARM;
2917                 arch_target=arm;
2918                 ACCESS_UNALIGNED="no"
2919                 sgen_supported=true
2920                 AOT_SUPPORTED="yes"
2921                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2922                 ;;
2923 # TODO: make proper support for NaCl host.
2924 #        arm*-*nacl)
2925 #               TARGET=ARM;
2926 #               arch_target=arm;
2927 #               ACCESS_UNALIGNED="no"
2928 #               sgen_supported=true
2929 #               AOT_SUPPORTED="no"
2930 #               ;;
2931         aarch64-*)
2932                 # https://lkml.org/lkml/2012/7/15/133
2933                 TARGET=ARM64
2934                 arch_target=arm64
2935                 sgen_supported=true
2936                 boehm_supported=false
2937                 ;;
2938         s390x-*-linux*)
2939                 TARGET=S390X;
2940                 arch_target=s390x;
2941                 ACCESS_UNALIGNED="yes"
2942                 sgen_supported=true
2943                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2944                 ;;
2945 esac
2946
2947 HOST=$TARGET
2948
2949 if test "x$host" != "x$target"; then
2950    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2951    enable_mcs_build=no
2952    case "$target" in
2953    arm*-darwin*)
2954                 TARGET=ARM;
2955                 arch_target=arm;
2956                 ACCESS_UNALIGNED="no"
2957                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2958                 # Can't use tls, since it depends on the runtime detection of tls offsets
2959                 # in mono-compiler.h
2960                 with_tls=pthread
2961                 ;;
2962    powerpc64-ps3-linux-gnu)
2963                 TARGET=POWERPC64
2964                 arch_target=powerpc64
2965                 AC_DEFINE(TARGET_PS3, 1, [...])
2966                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2967                 # uses this define
2968                 AC_DEFINE(__mono_ppc64__, 1, [...])
2969                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2970                 sizeof_register=8
2971                 target_byte_order=G_BIG_ENDIAN
2972                 ;;
2973    powerpc64-xbox360-linux-gnu)
2974                 TARGET=POWERPC64
2975                 arch_target=powerpc64
2976                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2977                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2978                 # uses this define
2979                 sizeof_register=8
2980                 target_byte_order=G_BIG_ENDIAN
2981                 ;;
2982    x86_64-*-nacl)
2983                 TARGET=AMD64
2984                 arch_target=amd64
2985                 AC_DEFINE(TARGET_AMD64, 1, [...])
2986                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2987                 sizeof_register=8
2988                 ;;
2989 # TODO: make proper support for NaCl target.
2990 #   arm*-*nacl)
2991 #               TARGET=ARM
2992 #               arch_target=arm
2993 #               AC_DEFINE(TARGET_ARM, 1, [...])
2994 #               ACCESS_UNALIGNED="no"
2995 #               sizeof_register=4
2996 #               CPPFLAGS="$CPPFLAGS \
2997 #                    -D__ARM_EABI__ \
2998 #                    -D__arm__ \
2999 #                    -D__portable_native_client__ \
3000 #                    -Dtimezone=_timezone \
3001 #                    -DDISABLE_SOCKETS \
3002 #                    -DDISABLE_ATTACH \
3003 #                    -DUSE_NEWLIB"
3004                 # Can't use tls, since it depends on the runtime detection of tls offsets
3005                 # in mono-compiler.h
3006 #               with_tls=pthread
3007 #               ;;
3008    i686-*-nacl)
3009                 TARGET=X86
3010                 arch_target=x86
3011                 AC_DEFINE(TARGET_X86, 1, [...])
3012                 sizeof_register=4
3013                 ;;
3014    arm*-linux-*)
3015                 TARGET=ARM;
3016                 arch_target=arm;
3017                 AC_DEFINE(TARGET_ARM, 1, [...])
3018                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3019                 ACCESS_UNALIGNED="no"
3020                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3021                 # Can't use tls, since it depends on the runtime detection of tls offsets
3022                 # in mono-compiler.h
3023                 with_tls=pthread
3024                 target_mach=no
3025                 case "$target" in
3026                 armv7l-unknown-linux-gnueabi*)
3027                         # TEGRA
3028                         CPPFLAGS="$CPPFLAGS"
3029                         ;;
3030                 armv5-*-linux-androideabi*)
3031                         CPPFLAGS="$CPPFLAGS"
3032                         ;;
3033                 esac
3034                 ;;
3035    i686*-linux-*)
3036                 TARGET=X86;
3037                 arch_target=x86;
3038                 AC_DEFINE(TARGET_X86, 1, [...])
3039                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3040                 CPPFLAGS="$CPPFLAGS"
3041                 sgen_supported=true
3042                 # Can't use tls, since it depends on the runtime detection of tls offsets
3043                 # in mono-compiler.h
3044                 with_tls=pthread
3045                 target_mach=no
3046                 ;;
3047    x86_64*-linux-*)
3048                 TARGET=AMD64;
3049                 arch_target=amd64;
3050                 AC_DEFINE(TARGET_AMD64, 1, [...])
3051                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3052                 CPPFLAGS="$CPPFLAGS"
3053                 sgen_supported=true
3054                 # Can't use tls, since it depends on the runtime detection of tls offsets
3055                 # in mono-compiler.h
3056                 with_tls=pthread
3057                 target_mach=no
3058                 ;;
3059    aarch64*-linux-*)
3060                 TARGET=ARM64;
3061                 arch_target=arm64;
3062                 AC_DEFINE(TARGET_ARM64, 1, [...])
3063                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3064                 CPPFLAGS="$CPPFLAGS"
3065                 # Can't use tls, since it depends on the runtime detection of tls offsets
3066                 # in mono-compiler.h
3067                 with_tls=pthread
3068                 target_mach=no
3069                 ;;
3070         aarch64-*)
3071                 TARGET=ARM64
3072                 ;;
3073         *)
3074                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3075         esac
3076 fi
3077
3078 case "$TARGET" in
3079 X86)
3080         AC_DEFINE(TARGET_X86, 1, [...])
3081         ;;
3082 AMD64)
3083         AC_DEFINE(TARGET_AMD64, 1, [...])
3084         ;;
3085 ARM)
3086         AC_DEFINE(TARGET_ARM, 1, [...])
3087         ;;
3088 ARM64)
3089         AC_DEFINE(TARGET_ARM64, 1, [...])
3090         ;;
3091 POWERPC)
3092         AC_DEFINE(TARGET_POWERPC, 1, [...])
3093         ;;
3094 POWERPC64)
3095         AC_DEFINE(TARGET_POWERPC, 1, [...])
3096         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3097         ;;
3098 S390X)
3099         AC_DEFINE(TARGET_S390X, 1, [...])
3100         ;;
3101 MIPS)
3102         AC_DEFINE(TARGET_MIPS, 1, [...])
3103         ;;
3104 IA64)
3105         AC_DEFINE(TARGET_IA64, 1, [...])
3106         ;;
3107 SPARC)
3108         AC_DEFINE(TARGET_SPARC, 1, [...])
3109         ;;
3110 SPARC64)
3111         AC_DEFINE(TARGET_SPARC64, 1, [...])
3112         ;;
3113 esac
3114
3115 dnl *************
3116 dnl *** VTUNE ***
3117 dnl *************
3118
3119 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3120 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3121
3122 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3123
3124 if test "x$enable_vtune" = "xyes"; then
3125         if test "x$with_vtune" = "x"; then
3126                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3127         else
3128                 VTUNE_PATH=$with_vtune
3129         fi
3130         VTUNE_INCLUDE=$VTUNE_PATH/include
3131         case "$TARGET" in
3132         X86)
3133                 VTUNE_LIB=$VTUNE_PATH/lib32
3134                 ;;
3135         AMD64)
3136                 VTUNE_LIB=$VTUNE_PATH/lib64
3137                 ;;
3138         *)
3139                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3140                 ;;
3141         esac
3142         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3143                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3144         fi
3145         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3146                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3147         fi
3148
3149         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3150         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3151
3152         AC_SUBST(VTUNE_LIBS)
3153         AC_SUBST(VTUNE_CFLAGS)
3154 fi
3155 dnl Use GCC atomic ops if they work on the target.
3156 if test x$GCC = "xyes"; then
3157         case $TARGET in
3158         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3159                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3160                 ;;
3161         esac
3162 fi
3163
3164 if test "x$target_mach" = "xyes"; then
3165    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3166           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3167           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3168           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3169    else
3170        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3171        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3172        #error fail this for ios
3173        #endif
3174        return 0;
3175        ], [
3176                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3177           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3178           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3179        ], [
3180           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3181           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3182           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3183        ])
3184         fi
3185    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3186 fi
3187
3188 if test "x$sizeof_register" = "x4"; then
3189    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3190 elif test "x$sizeof_register" = "x8"; then
3191    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3192 else
3193    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3194 fi
3195
3196 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3197    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3198 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3199    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3200 else
3201    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3202 fi
3203
3204 if test "x$have_visibility_hidden" = "xyes"; then
3205    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3206 fi
3207
3208 if test "x$have_deprecated" = "xyes"; then
3209    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3210 fi
3211
3212 dnl
3213 dnl Simple Generational checks (sgen)
3214 dnl
3215 if $sgen_supported; then
3216    build_sgen_default=yes
3217 else
3218    build_sgen_default=no
3219 fi
3220 SGEN_DEFINES=
3221 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3222 if test x$buildsgen = xyes; then
3223    if $sgen_supported; then
3224        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3225        gc_msg="sgen and $gc_msg"
3226    else
3227        buildsgen=no
3228        AC_MSG_WARN("Sgen is not supported on this platform")
3229    fi
3230 fi
3231 AC_SUBST(SGEN_DEFINES)
3232 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3233
3234 jit_status="Building and using the JIT"
3235
3236 libsuffix=".so"
3237
3238 case "$host" in
3239      *-*-darwin*)
3240         libsuffix=".dylib"
3241         LIBC="libc.dylib"
3242         INTL="libintl.dylib"
3243         SQLITE="libsqlite.0.dylib"
3244         SQLITE3="libsqlite3.0.dylib"
3245         X11="libX11.dylib"
3246         GDKX11="libgdk-x11-2.0.dylib"
3247         GTKX11="libgtk-x11-2.0.dylib"
3248         ;;
3249      *-*-*netbsd*)
3250         LIBC="libc.so.12"
3251         INTL="libintl.so.0"
3252         ;;
3253      *-*-kfreebsd*-gnu)
3254         LIBC="libc.so.0.1"
3255         INTL="libc.so.0.1"
3256         X11="libX11.so.6"
3257         ;;
3258     *-*-*freebsd*)
3259         LIBC="libc.so"
3260         INTL="libintl.so"
3261         SQLITE="libsqlite.so"
3262         SQLITE3="libsqlite3.so"
3263         ;;
3264     *-*-*openbsd*)
3265         LIBC="libc.so"
3266         INTL="libintl.so"
3267         SQLITE="libsqlite.so"
3268         SQLITE3="libsqlite3.so"
3269         ;;
3270     *-*-*linux*)
3271         AC_PATH_X
3272         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3273         AC_MSG_CHECKING(for the soname of libX11.so)
3274         for i in $x_libraries $dlsearch_path; do
3275                 for r in 4 5 6; do
3276                         if test -f $i/libX11.so.$r; then
3277                                 X11=libX11.so.$r
3278                                 AC_MSG_RESULT($X11)
3279                         fi
3280                 done
3281         done
3282
3283         if test "x$X11" = "xlibX11.so"; then
3284                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3285                 X11=libX11.so.6
3286         fi
3287         ;;
3288 esac
3289
3290
3291 AC_SUBST(libsuffix)
3292
3293 AC_ARG_WITH([libgdiplus],
3294         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3295         [], [with_libgdiplus=installed])
3296
3297 # default install location
3298 libgdiplus_install_loc=libgdiplus${libsuffix}
3299 case $with_libgdiplus in
3300     no|installed)
3301     libgdiplus_loc=
3302     ;;
3303
3304     yes|sibling)
3305     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3306     ;;
3307
3308     /*) # absolute path, assume it is an install location
3309     libgdiplus_loc=$with_libgdiplus
3310     libgdiplus_install_loc=$with_libgdiplus
3311     ;;
3312
3313     *)
3314     libgdiplus_loc=`pwd`/$with_libgdiplus
3315     ;;
3316 esac
3317 AC_SUBST([libgdiplus_loc])
3318 AC_SUBST([libgdiplus_install_loc])
3319
3320 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3321 if test "x$icall_symbol_map" = "xyes"; then
3322    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3323 fi
3324
3325 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3326 if test "x$icall_export" = "xyes"; then
3327    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3328 fi
3329
3330 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3331 if test "x$icall_tables" = "xno"; then
3332    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3333 fi
3334
3335 if test "x$with_tls" = "x__thread"; then
3336         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3337         # Pass the information to libgc
3338         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3339         AC_MSG_CHECKING(if the tls_model attribute is supported)
3340         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3341                 ], [
3342                         AC_MSG_RESULT(yes)
3343                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3344                 ], [
3345                         AC_MSG_RESULT(no)
3346         ])
3347 fi
3348
3349 if test ${TARGET} = ARM; then
3350         dnl ******************************************
3351         dnl *** Check to see what FPU is available ***
3352         dnl ******************************************
3353         AC_MSG_CHECKING(which FPU to use)
3354
3355         #
3356         # This is a bit tricky:
3357         #
3358         # if (__ARM_PCS_VFP) {
3359         #       /* mfloat-abi=hard == VFP with hard ABI */
3360         # } elif (!__SOFTFP__) {
3361         #       /* mfloat-abi=softfp == VFP with soft ABI */
3362         # } else {
3363         #       /* mfloat-abi=soft == no VFP */
3364         # }
3365         #
3366         # The exception is iOS (w/ GCC) where none of the above
3367         # are defined (but iOS always uses the 'softfp' ABI).
3368         #
3369         # No support for FPA.
3370         #
3371
3372         fpu=NONE
3373
3374         # iOS GCC always uses the 'softfp' ABI.
3375         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3376                 fpu=VFP
3377         fi
3378
3379         # Are we using the 'hard' ABI?
3380         if test x$fpu = xNONE; then
3381                 AC_TRY_COMPILE([], [
3382                         #ifndef __ARM_PCS_VFP
3383                         #error "Float ABI is not 'hard'"
3384                         #endif
3385                         return 0;
3386                 ], [
3387                         fpu=VFP_HARD
3388                 ], [
3389                         fpu=NONE
3390                 ])
3391         fi
3392
3393         # No 'hard' ABI. 'soft' or 'softfp'?
3394         if test x$fpu = xNONE; then
3395                 AC_TRY_COMPILE([], [
3396                         #ifdef __SOFTFP__
3397                         #error "Float ABI is not 'softfp'"
3398                         #endif
3399                         return 0;
3400                 ], [
3401                         fpu=VFP
3402                 ], [
3403                         fpu=NONE
3404                 ])
3405         fi
3406
3407         AC_MSG_RESULT($fpu)
3408         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3409         unset fpu
3410
3411         dnl *********************************************
3412         dnl *** Check which ARM version(s) we can use ***
3413         dnl *********************************************
3414         AC_MSG_CHECKING(which ARM version to use)
3415
3416         AC_TRY_COMPILE([], [
3417                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3418                 #error Not on ARM v5.
3419                 #endif
3420                 return 0;
3421         ], [
3422                 arm_v5=yes
3423
3424                 arm_ver=ARMv5
3425         ], [])
3426
3427         AC_TRY_COMPILE([], [
3428                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3429                 #error Not on ARM v6.
3430                 #endif
3431                 return 0;
3432         ], [
3433                 arm_v5=yes
3434                 arm_v6=yes
3435
3436                 arm_ver=ARMv6
3437         ], [])
3438
3439         AC_TRY_COMPILE([], [
3440                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3441                 #error Not on ARM v7.
3442                 #endif
3443                 return 0;
3444         ], [
3445                 arm_v5=yes
3446                 arm_v6=yes
3447                 arm_v7=yes
3448
3449                 arm_ver=ARMv7
3450         ], [])
3451
3452         AC_MSG_RESULT($arm_ver)
3453
3454         if test x$arm_v5 = xyes; then
3455                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3456                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3457         fi
3458
3459         if test x$arm_v6 = xyes; then
3460                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3461                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3462         fi
3463
3464         if test x$arm_v7 = xyes; then
3465                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3466                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3467         fi
3468 fi
3469
3470 if test ${TARGET} = ARM; then
3471         if test "x${with_jumptables}" = "xyes"; then
3472                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3473         fi
3474 fi
3475
3476 if test ${TARGET} = unknown; then
3477         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3478         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3479 fi
3480
3481 if test ${ACCESS_UNALIGNED} = no; then
3482         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3483 fi
3484
3485 case "x$libgc" in
3486         xincluded)
3487                 # Pass CPPFLAGS to libgc configure
3488                 # We should use a separate variable for this to avoid passing useless and
3489                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3490                 # This should be executed late so we pick up the final version of CPPFLAGS
3491                 # The problem with this approach, is that during a reconfigure, the main
3492                 # configure scripts gets invoked with these arguments, so we use separate
3493                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3494                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3495                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3496                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3497                 fi
3498                 # Don't pass -finstrument-for-thread-suspension in,
3499                 # if these are instrumented it will be very bad news
3500                 # (infinite recursion, undefined parking behavior, etc)
3501                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3502                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3503                 if test "x$support_boehm" = "xyes"; then
3504                         AC_CONFIG_SUBDIRS(libgc)
3505                 fi
3506                 ;;
3507 esac
3508
3509 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])
3510 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3511 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3512 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3513
3514 OPROFILE=no
3515 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3516         if test x$with_oprofile != xno; then
3517             oprofile_include=$with_oprofile/include
3518             if test ! -f $oprofile_include/opagent.h; then
3519                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3520                 fi
3521             OPROFILE=yes
3522                 OPROFILE_CFLAGS="-I$oprofile_include"
3523             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3524             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3525         fi
3526 ])
3527
3528 MALLOC_MEMPOOLS=no
3529 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3530         if test x$with_malloc_mempools = xyes; then
3531                 MALLOC_MEMPOOLS=yes
3532                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3533         fi
3534 ])
3535
3536
3537 DISABLE_MCS_DOCS=no
3538 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3539         if test x$with_mcs_docs != xyes; then
3540                 DISABLE_MCS_DOCS=yes
3541         fi
3542 ])
3543 if test x$with_profile4_5 != xyes; then
3544         DISABLE_MCS_DOCS=yes
3545 fi
3546
3547 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)],[
3548         if test x$with_lazy_gc_thread_creation != xno ; then
3549                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3550         fi
3551 ], [with_lazy_gc_thread_creation=no])
3552
3553 AC_CHECK_HEADER([malloc.h],
3554                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3555                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3556
3557 if test x"$GCC" = xyes; then
3558         # Implicit function declarations are not 64 bit safe
3559         # Do this late, since this causes lots of configure tests to fail
3560         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3561         # jay has a lot of implicit declarations
3562         JAY_CFLAGS="-Wno-implicit-function-declaration"
3563 fi
3564
3565 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3566 # instead of libmono-static.a
3567 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3568    LIBMONO_LA=libmini-static.la
3569 else
3570    if test x$buildsgen = xyes; then
3571       LIBMONO_LA=libmonosgen-$API_VER.la
3572    else
3573       LIBMONO_LA=libmonoboehm-$API_VER.la
3574    fi
3575 fi
3576 AC_SUBST(LIBMONO_LA)
3577
3578 dnl
3579 dnl Consistency settings
3580 dnl
3581 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3582    DISABLE_MCS_DOCS=yes
3583    with_profile4_5=no
3584    with_monodroid=no
3585    with_monotouch=no
3586    with_xammac=no
3587 fi
3588
3589 if test x$DISABLE_MCS_DOCS = xyes; then
3590    docs_dir=""
3591 else
3592    docs_dir=docs
3593 fi
3594 AC_SUBST(docs_dir)
3595
3596 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3597 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3598
3599 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3600 AC_SUBST(OPROFILE_CFLAGS)
3601 AC_SUBST(OPROFILE_LIBS)
3602
3603 libmono_ldflags="$libmono_ldflags $LIBS"
3604
3605 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3606 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3607 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3608 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3609 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3610 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3611
3612 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3613 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3614 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3615 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3616 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3617 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3618 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3619 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3620 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3621 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3622 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3623 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3624 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3625 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3626 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3627 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3628 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3629 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3630
3631 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3632
3633 AC_SUBST(LIBC)
3634 AC_SUBST(INTL)
3635 AC_SUBST(SQLITE)
3636 AC_SUBST(SQLITE3)
3637 AC_SUBST(X11)
3638 AC_SUBST(GDKX11)
3639 AC_SUBST(GTKX11)
3640 AC_SUBST(XINERAMA)
3641 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3642 AC_SUBST(arch_target)
3643 AC_SUBST(CFLAGS)
3644 AC_SUBST(CPPFLAGS)
3645 AC_SUBST(LDFLAGS)
3646
3647 mono_build_root=`pwd`
3648 AC_SUBST(mono_build_root)
3649
3650 mono_runtime=mono/mini/mono
3651 AC_SUBST(mono_runtime)
3652
3653 mono_cfg_root=$mono_build_root/runtime
3654 if test x$host_win32 = xyes; then
3655   if test "x$cross_compiling" = "xno"; then
3656     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3657   else
3658     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3659   fi
3660 else
3661   mono_cfg_dir=$mono_cfg_root/etc
3662 fi
3663 AC_SUBST(mono_cfg_dir)
3664
3665 AC_CONFIG_FILES([po/mcs/Makefile.in])
3666
3667 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3668 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3669
3670 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3671 [   depth=../../../..
3672     case $srcdir in
3673     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3674     .) reldir=$depth ;;
3675     *) reldir=$depth/$srcdir ;;
3676     esac
3677     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3678     cd runtime/etc/mono/1.0
3679     rm -f machine.config
3680     $LN_S $reldir/data/net_1_1/machine.config machine.config
3681     cd $depth
3682 ],[LN_S='$LN_S'])
3683
3684 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3685 [   depth=../../../..
3686     case $srcdir in
3687     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3688     .) reldir=$depth ;;
3689     *) reldir=$depth/$srcdir ;;
3690     esac
3691     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3692     cd runtime/etc/mono/2.0
3693     rm -f machine.config
3694     $LN_S $reldir/data/net_2_0/machine.config machine.config
3695     cd $depth
3696 ],[LN_S='$LN_S'])
3697
3698 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3699 [   depth=../../../..
3700     case $srcdir in
3701     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3702     .) reldir=$depth ;;
3703     *) reldir=$depth/$srcdir ;;
3704     esac
3705     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3706     cd runtime/etc/mono/2.0
3707     rm -f web.config
3708     $LN_S $reldir/data/net_2_0/web.config web.config
3709     cd $depth
3710 ],[LN_S='$LN_S'])
3711
3712 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3713 [   depth=../../..
3714     case $srcdir in
3715     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3716     .) reldir=$depth ;;
3717     *) reldir=$depth/$srcdir ;;
3718     esac
3719     $ac_aux_dir/install-sh -d runtime/etc/mono/
3720     cd runtime/etc/mono/
3721     rm -f browscap.ini
3722     $LN_S $reldir/data/browscap.ini browscap.ini
3723     cd $depth
3724 ],[LN_S='$LN_S'])
3725
3726 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3727 [   depth=../../../../..
3728     case $srcdir in
3729     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3730     .) reldir=$depth ;;
3731     *) reldir=$depth/$srcdir ;;
3732     esac
3733     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3734     cd runtime/etc/mono/2.0/Browsers
3735     rm -f Compat.browser
3736     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3737     cd $depth
3738 ],[LN_S='$LN_S'])
3739
3740 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3741 [   depth=../../../../..
3742     case $srcdir in
3743     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3744     .) reldir=$depth ;;
3745     *) reldir=$depth/$srcdir ;;
3746     esac
3747     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3748     cd runtime/etc/mono/4.0/Browsers
3749     rm -f Compat.browser
3750     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3751     cd $depth
3752 ],[LN_S='$LN_S'])
3753
3754 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3755 [   depth=../../../../..
3756     case $srcdir in
3757     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3758     .) reldir=$depth ;;
3759     *) reldir=$depth/$srcdir ;;
3760     esac
3761     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3762     cd runtime/etc/mono/4.5/Browsers
3763     rm -f Compat.browser
3764     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3765     cd $depth
3766 ],[LN_S='$LN_S'])
3767
3768 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3769 [   depth=../../../..
3770     case $srcdir in
3771     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3772     .) reldir=$depth ;;
3773     *) reldir=$depth/$srcdir ;;
3774     esac
3775     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3776     cd runtime/etc/mono/4.0
3777     rm -f machine.config
3778     $LN_S $reldir/data/net_4_0/machine.config machine.config
3779     cd $depth
3780 ],[LN_S='$LN_S'])
3781
3782 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3783 [   depth=../../../..
3784     case $srcdir in
3785     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3786     .) reldir=$depth ;;
3787     *) reldir=$depth/$srcdir ;;
3788     esac
3789     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3790     cd runtime/etc/mono/4.0
3791     rm -f web.config
3792     $LN_S $reldir/data/net_4_0/web.config web.config
3793     cd $depth
3794 ],[LN_S='$LN_S'])
3795
3796 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3797 [   depth=../../../..
3798     case $srcdir in
3799     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3800     .) reldir=$depth ;;
3801     *) reldir=$depth/$srcdir ;;
3802     esac
3803     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3804     cd runtime/etc/mono/4.5
3805     rm -f machine.config
3806     $LN_S $reldir/data/net_4_5/machine.config machine.config
3807     cd $depth
3808 ],[LN_S='$LN_S'])
3809
3810 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3811 [   depth=../../../..
3812     case $srcdir in
3813     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3814     .) reldir=$depth ;;
3815     *) reldir=$depth/$srcdir ;;
3816     esac
3817     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3818     cd runtime/etc/mono/4.5
3819     rm -f web.config
3820     $LN_S $reldir/data/net_4_5/web.config web.config
3821     cd $depth
3822 ],[LN_S='$LN_S'])
3823
3824 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])
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