configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.4],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   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])
  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 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176                 use_sigposix=yes
 177                 ;;
 178         *-*-*openbsd*)
 179                 host_win32=no
 180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 181                 if test "x$disable_munmap" != "xyes"; then
 182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 183                 fi
 184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 185                 LDFLAGS="$LDFLAGS -pthread"
 186                 need_link_unlink=yes
 187                 AC_DEFINE(PTHREAD_POINTER_ID)
 188                 libdl=
 189                 gc_default=boehm
 190                 libgc_threads=pthreads
 191                 with_sigaltstack=no
 192                 use_sigposix=yes
 193                 ;;
 194         *-*-linux-android*)
 195                 host_win32=no
 196                 platform_android=yes
 197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 199
 200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 201                 if test "x$disable_munmap" != "xyes"; then
 202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 203                 fi
 204                 libmono_cflags="-D_REENTRANT"
 205                 libdl="-ldl"
 206                 libgc_threads=pthreads
 207                 use_sigposix=yes
 208
 209                 with_tls=pthread
 210                 with_sigaltstack=no
 211                 with_static_mono=no
 212
 213                 # Android doesn't support boehm, as it's missing <link.h>
 214                 support_boehm=no
 215                 with_gc=sgen
 216
 217                 # isinf(3) requires -lm; see isinf check below
 218                 LDFLAGS="$LDFLAGS -lm"
 219
 220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 225
 226                 # to bypass the underscore linker check, can't work when cross-compiling
 227                 mono_cv_uscore=yes
 228                 mono_cv_clang=no
 229                 ;;
 230         *-*-linux*)
 231                 host_win32=no
 232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 233                 if test "x$disable_munmap" != "xyes"; then
 234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 235                 fi
 236                 libmono_cflags="-D_REENTRANT"
 237                 libdl="-ldl"
 238                 libgc_threads=pthreads
 239                 use_sigposix=yes
 240                 ;;
 241         *-*-nacl*)
 242                 host_win32=no
 243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 244                 if test "x$disable_munmap" != "xyes"; then
 245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 246                 fi
 247                 libmono_cflags="-D_REENTRANT"
 248                 libdl=
 249                 libgc_threads=pthreads
 250                 gc_default=boehm
 251                 use_sigposix=yes
 252                 ikvm_native=no
 253                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 254                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 255                 ;;
 256         *-*-hpux*)
 257                 host_win32=no
 258                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 259                 # +ESdbgasm only valid on bundled cc on RISC
 260                 # silently ignored for ia64
 261                 if test $GCC != "yes"; then
 262                         CFLAGS="$CFLAGS +ESdbgasm"
 263                         # Arrange for run-time dereferencing of null
 264                         # pointers to produce a SIGSEGV signal.
 265                         LDFLAGS="$LDFLAGS -z"
 266                 fi
 267                 CFLAGS="$CFLAGS +ESdbgasm"
 268                 LDFLAGS="$LDFLAGS -z"
 269                 libmono_cflags="-D_REENTRANT"
 270                 libmono_ldflags="-lpthread"
 271                 libgc_threads=pthreads
 272                 need_link_unlink=yes
 273                 use_sigposix=yes
 274                 ;;
 275         *-*-solaris*)
 276                 host_win32=no
 277                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 278                 need_link_unlink=yes
 279                 libmono_cflags="-D_REENTRANT"
 280                 libgc_threads=pthreads
 281                 # This doesn't seem to work on solaris/x86, but the configure test runs
 282                 with_tls=pthread
 283                 has_dtrace=yes
 284                 use_sigposix=yes
 285                 enable_solaris_tar_check=yes
 286                 ;;
 287         *-*-darwin*)
 288                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 289                 host_win32=no
 290                 platform_darwin=yes
 291                 target_mach=yes
 292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 294                 libmono_cflags="-D_THREAD_SAFE"
 295                 need_link_unlink=yes
 296                 AC_DEFINE(PTHREAD_POINTER_ID)
 297                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 298                 no_version_script=yes
 299                 libdl=
 300                 libgc_threads=pthreads
 301                 has_dtrace=yes
 302                 if test "x$cross_compiling" = "xyes"; then
 303                         has_broken_apple_cpp=yes
 304                 fi
 305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 308                 case "$host" in
 309                         dnl Snow Leopard and newer config.guess reports as this
 310                         i*86-*-darwin*)
 311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 312                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 313                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 314                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 315                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 316                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 317                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 318                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 319                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 320                                 ;;
 321                         arm*-darwin*)
 322                                 has_dtrace=no
 323                                 ;;
 324                 esac
 325                 ;;
 326         *-*-haiku*)
 327                 host_win32=no
 328                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 329                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 330                 libdl=
 331                 LIBS="$LIBS -lnetwork"
 332                 need_link_unlink=yes
 333                 AC_DEFINE(PTHREAD_POINTER_ID)
 334                 libgc_threads=pthreads
 335                 use_sigposix=yes
 336                 ;;
 337         *)
 338                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 339                 host_win32=no
 340                 libdl="-ldl"
 341                 ;;
 342 esac
 343 AC_MSG_RESULT(ok)
 344
 345 if test x$need_link_unlink = xyes; then
 346    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 347 fi
 348
 349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 355
 356 AC_CHECK_TOOL(CC, gcc, gcc)
 357 AC_PROG_CC
 358 AC_CHECK_TOOL(CXX, g++, g++)
 359 AC_PROG_CXX
 360 AM_PROG_AS
 361 AC_PROG_INSTALL
 362 AC_PROG_AWK
 363 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 364 : ${CCAS='$(CC)'}
 365 # Set ASFLAGS if not already set.
 366 : ${CCASFLAGS='$(CFLAGS)'}
 367 AC_SUBST(CCAS)
 368 AC_SUBST(CCASFLAGS)
 369
 370 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 371 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 372 if test "x$CXX" = "xg++"; then
 373         if test "x$GXX" != "xyes"; then
 374                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 375                 # are inside automake conditionals
 376                 AC_MSG_ERROR([You need to install g++])
 377         fi
 378 fi
 379
 380 dnl may require a specific autoconf version
 381 dnl AC_PROG_CC_FOR_BUILD
 382 dnl CC_FOR_BUILD not automatically detected
 383 CC_FOR_BUILD=$CC
 384 CFLAGS_FOR_BUILD=$CFLAGS
 385 BUILD_EXEEXT=
 386 if test "x$cross_compiling" = "xyes"; then
 387         CC_FOR_BUILD=cc
 388         CFLAGS_FOR_BUILD=
 389         BUILD_EXEEXT=""
 390 fi
 391 AC_SUBST(CC_FOR_BUILD)
 392 AC_SUBST(CFLAGS_FOR_BUILD)
 393 AC_SUBST(HOST_CC)
 394 AC_SUBST(BUILD_EXEEXT)
 395
 396 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 397 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 398
 399 # Set STDC_HEADERS
 400 AC_HEADER_STDC
 401 AC_LIBTOOL_WIN32_DLL
 402 # This causes monodis to not link correctly
 403 #AC_DISABLE_FAST_INSTALL
 404 AM_PROG_LIBTOOL
 405 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 406 DOLT
 407
 408 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 409 AC_SUBST(export_ldflags)
 410
 411 # Test whenever ld supports -version-script
 412 AC_PROG_LD
 413 AC_PROG_LD_GNU
 414 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 415    no_version_script=yes
 416 fi
 417
 418 AM_ICONV()
 419
 420 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 421
 422 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 libproc.h)
 423 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)
 424 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 425                   [], [], [#include <stddef.h>
 426                   #include <sys/socket.h>
 427                   #include <linux/socket.h>])
 428
 429 AC_CHECK_HEADERS(sys/user.h, [], [],
 430 [
 431 #ifdef HAVE_SYS_PARAM_H
 432 # include <sys/param.h>
 433 #endif
 434 ])
 435
 436 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 437 if test x$have_zlib = xyes; then
 438    AC_TRY_COMPILE([#include <zlib.h>], [
 439    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 440    return 0;
 441    #else
 442    #error No good zlib found
 443    #endif
 444    ],[
 445         AC_MSG_RESULT(Using system zlib)
 446         zlib_msg="system zlib"
 447         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 448    ],[
 449         AC_MSG_RESULT(Using embedded zlib)
 450         have_zlib=no
 451         zlib_msg="bundled zlib"
 452    ])
 453 fi
 454
 455 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 456 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 457
 458 # for mono/metadata/debug-symfile.c
 459 AC_CHECK_HEADERS(elf.h)
 460
 461 # for support
 462 AC_CHECK_HEADERS(poll.h)
 463 AC_CHECK_HEADERS(sys/poll.h)
 464 AC_CHECK_HEADERS(sys/wait.h)
 465 AC_CHECK_HEADERS(grp.h)
 466 AC_CHECK_HEADERS(syslog.h)
 467
 468 # for mono/dis
 469 AC_CHECK_HEADERS(wchar.h)
 470 AC_CHECK_HEADERS(ieeefp.h)
 471 AC_MSG_CHECKING(for isinf)
 472 AC_TRY_LINK([#include <math.h>], [
 473         int f = isinf (1);
 474 ], [
 475         AC_MSG_RESULT(yes)
 476         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 477 ], [
 478         # We'll have to use signals
 479         AC_MSG_RESULT(no)
 480 ])
 481
 482 # for Linux statfs support
 483 AC_CHECK_HEADERS(linux/magic.h)
 484
 485 # not 64 bit clean in cross-compile
 486 AC_CHECK_SIZEOF(void *, 4)
 487
 488 WARN=''
 489 if test x"$GCC" = xyes; then
 490         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 491                 # The runtime code does not respect ANSI C strict aliasing rules
 492                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 493
 494                 ORIG_CFLAGS=$CFLAGS
 495                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 496                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 497                 AC_TRY_COMPILE([],[
 498                                 return 0;
 499                 ], [
 500                    AC_MSG_RESULT(yes)
 501                 ], [
 502                    AC_MSG_RESULT(no)
 503                    CFLAGS=$ORIG_CFLAGS
 504                 ])
 505
 506                 ORIG_CFLAGS=$CFLAGS
 507                 # Check for the normal version, since gcc ignores unknown -Wno options
 508                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 509                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 510                 AC_TRY_COMPILE([],[
 511                                 return 0;
 512                 ], [
 513                    AC_MSG_RESULT(yes)
 514                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 515                 ], [
 516                    AC_MSG_RESULT(no)
 517                    CFLAGS=$ORIG_CFLAGS
 518                 ])
 519 else
 520         # The Sun Forte compiler complains about inline functions that access static variables
 521         # so disable all inlining.
 522         case "$host" in
 523         *-*-solaris*)
 524                 CFLAGS="$CFLAGS -Dinline="
 525                 ;;
 526         esac
 527 fi
 528 CFLAGS="$CFLAGS -g $WARN"
 529 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 530
 531 AC_CACHE_CHECK([for clang],
 532         mono_cv_clang,[
 533         AC_TRY_COMPILE([], [
 534                 #ifdef __clang__
 535                 #else
 536                 #error "FAILED"
 537                 #endif
 538                 return 0;
 539         ],
 540         [mono_cv_clang=yes],
 541         [mono_cv_clang=no],
 542         [])
 543 ])
 544
 545 # Where's the 'mcs' source tree?
 546 if test -d $srcdir/mcs; then
 547   mcsdir=mcs
 548 else
 549   mcsdir=../mcs
 550 fi
 551
 552 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 553         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 554                 mcsdir=$with_mcs_path
 555         fi
 556 )
 557
 558 #
 559 # A sanity check to catch cases where the package was unpacked
 560 # with an ancient tar program (Solaris)
 561 #
 562 AC_ARG_ENABLE(solaris-tar-check,
 563 [  --disable-solaris-tar-check    disable solaris tar check],
 564    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 565
 566 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 567         AC_MSG_CHECKING(integrity of package)
 568         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 569         then
 570                 AC_MSG_RESULT(ok)
 571         else
 572                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 573                 AC_MSG_ERROR([$errorm])
 574         fi
 575 fi
 576
 577 if test "x$with_mcs_path" != "x"; then
 578 mcs_topdir=$(cd "$mcsdir" && pwd)
 579 mcs_topdir_from_srcdir=$mcs_topdir
 580 else
 581 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 582 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 583 fi
 584
 585 # Convert mcs_topdir* paths to Windows syntax.
 586 if test x$cross_compiling$host_win32 = xnoyes; then
 587   mcs_topdir=$(cygpath -m $mcs_topdir)
 588   case $mcs_topdir_from_srcdir in
 589     /cygdrive/*)
 590         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 591         ;;
 592   esac
 593 fi
 594
 595 AC_SUBST([mcs_topdir])
 596 AC_SUBST([mcs_topdir_from_srcdir])
 597
 598 # Where's the 'olive' source tree?
 599 if test -d $srcdir/olive; then
 600   olivedir=olive
 601 else
 602   olivedir=../olive
 603 fi
 604
 605 if test -d $srcdir/$olivedir; then
 606 olive_topdir='$(top_srcdir)/'$olivedir
 607 fi
 608
 609 # gettext: prepare the translation directories.
 610 # we do not configure the full gettext, as we consume it dynamically from C#
 611 AM_PO_SUBDIRS
 612
 613 if test "x$USE_NLS" = "xyes"; then
 614    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 615
 616    if test "x$HAVE_MSGFMT" = "xno"; then
 617           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 618    fi
 619 fi
 620
 621 AC_ARG_WITH([libgdiplus],
 622         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 623         [], [with_libgdiplus=installed])
 624
 625 case $with_libgdiplus in
 626 no|installed) libgdiplus_loc= ;;
 627 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 628 /*) libgdiplus_loc=$with_libgdiplus ;;
 629 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 630 esac
 631 AC_SUBST([libgdiplus_loc])
 632
 633 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 634
 635 pkg_config_path=
 636 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 637         if test x$with_crosspkgdir = "x"; then
 638                 if test -s $PKG_CONFIG_PATH; then
 639                         pkg_config_path=$PKG_CONFIG_PATH
 640                 fi
 641         else
 642                 pkg_config_path=$with_crosspkgdir
 643                 PKG_CONFIG_PATH=$pkg_config_path
 644                 export PKG_CONFIG_PATH
 645         fi
 646 )
 647
 648 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 649 AC_CONFIG_SUBDIRS(eglib)
 650
 651 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 652 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 653 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 654 BUILD_GLIB_LIBS="$GLIB_LIBS"
 655 GMODULE_CFLAGS="$GLIB_CFLAGS"
 656 GMODULE_LIBS="$GLIB_LIBS"
 657
 658 AC_SUBST(GLIB_CFLAGS)
 659 AC_SUBST(GLIB_LIBS)
 660 AC_SUBST(GMODULE_CFLAGS)
 661 AC_SUBST(GMODULE_LIBS)
 662 AC_SUBST(BUILD_GLIB_CFLAGS)
 663 AC_SUBST(BUILD_GLIB_LIBS)
 664
 665 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 666
 667 # Enable support for fast thread-local storage
 668 # Some systems have broken support, so we allow to disable it.
 669 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 670
 671 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 672 # This does not work on some platforms (bug #55253)
 673 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 674
 675 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 676 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 677 # Same as --with-shared_mono=no
 678 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 679
 680 if test "x$enable_static" = "xno"; then
 681    with_static_mono=no
 682 fi
 683
 684 if test "x$enable_shared" = "xno"; then
 685    with_shared_mono=no
 686 fi
 687
 688 if test "x$enable_libraries" = "xno"; then
 689    with_shared_mono=no
 690 fi
 691
 692 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 693
 694 case $host in
 695 *nacl* ) with_shared_mono=yes;;
 696 esac
 697
 698 if test "x$host_win32" = "xyes"; then
 699    # Boehm GC requires the runtime to be in its own dll
 700    with_static_mono=no
 701 fi
 702
 703 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 704 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 705 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 706
 707 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 708 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 709         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 710         ORIG_CFLAGS=$CFLAGS
 711         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 712         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 713         AC_TRY_COMPILE([], [
 714                 return 0;
 715         ], [
 716            AC_MSG_RESULT(yes)
 717            # Pass it to libgc as well
 718            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 719         ], [
 720            AC_MSG_RESULT(no)
 721            CFLAGS=$ORIG_CFLAGS
 722         ])
 723 fi
 724
 725 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 726
 727 if test x$enable_small_config = xyes; then
 728         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 729         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 730 fi
 731
 732 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=$enableval, enable_system_aot=default)
 733
 734 DISABLED_FEATURES=none
 735
 736 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 737      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 738      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 739          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 740 [
 741         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 742                 eval "mono_feature_disable_$feature='yes'"
 743         done
 744         DISABLED_FEATURES=$enable_minimal
 745         disabled="Disabled:      $enable_minimal"
 746 ],[])
 747
 748 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 749
 750 if test "x$mono_feature_disable_aot" = "xyes"; then
 751         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 752         AC_MSG_NOTICE([Disabled AOT compiler])
 753 fi
 754
 755 if test "x$mono_feature_disable_profiler" = "xyes"; then
 756         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 757         AC_MSG_NOTICE([Disabled support for the profiler])
 758 fi
 759 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 760
 761 if test "x$mono_feature_disable_decimal" = "xyes"; then
 762         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 763         AC_MSG_NOTICE([Disabled support for decimal])
 764 fi
 765
 766 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 767         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 768         AC_MSG_NOTICE([Disabled support for P/Invoke])
 769 fi
 770
 771 if test "x$mono_feature_disable_debug" = "xyes"; then
 772         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 773         AC_MSG_NOTICE([Disabled support for runtime debugging])
 774 fi
 775
 776 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 777         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 778         mono_feature_disable_reflection_emit_save=yes
 779         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 780 fi
 781
 782 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 783         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 784         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 785 fi
 786
 787 if test "x$mono_feature_disable_large_code" = "xyes"; then
 788         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 789         AC_MSG_NOTICE([Disabled support for large assemblies])
 790 fi
 791
 792 if test "x$mono_feature_disable_logging" = "xyes"; then
 793         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 794         AC_MSG_NOTICE([Disabled support for logging])
 795 fi
 796
 797 if test "x$mono_feature_disable_com" = "xyes"; then
 798         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 799         AC_MSG_NOTICE([Disabled COM support])
 800 fi
 801
 802 if test "x$mono_feature_disable_ssa" = "xyes"; then
 803         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 804         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 805 fi
 806
 807 if test "x$mono_feature_disable_generics" = "xyes"; then
 808         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 809         AC_MSG_NOTICE([Disabled Generics Support])
 810 fi
 811
 812 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 813         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 814         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 815 fi
 816
 817 if test "x$mono_feature_disable_portability" = "xyes"; then
 818         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 819         AC_MSG_NOTICE([Disabled IO Portability layer])
 820 fi
 821
 822 if test "x$mono_feature_disable_attach" = "xyes"; then
 823         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 824         AC_MSG_NOTICE([Disabled agent attach])
 825 fi
 826
 827 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 828         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 829         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 830 fi
 831
 832 if test "x$mono_feature_disable_verifier" = "xyes"; then
 833         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 834         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 835 fi
 836
 837 if test "x$mono_feature_disable_jit" = "xyes"; then
 838         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 839         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 840 fi
 841
 842 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 843
 844 if test "x$mono_feature_disable_simd" = "xyes"; then
 845         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 846         AC_MSG_NOTICE([Disabled SIMD support])
 847 fi
 848
 849 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 850         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 851         AC_MSG_NOTICE([Disabled Soft Debugger.])
 852 fi
 853
 854 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 855         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 856         AC_MSG_NOTICE([Disabled Performance Counters.])
 857 fi
 858 if test "x$mono_feature_disable_normalization" = "xyes"; then
 859         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 860         AC_MSG_NOTICE([Disabled String normalization support.])
 861 fi
 862
 863 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 864         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 865         AC_MSG_NOTICE([Disabled Assembly remapping.])
 866 fi
 867
 868 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 869         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 870         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 871 fi
 872
 873 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 874         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 875         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 876 fi
 877
 878 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 879         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 880         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 881 fi
 882
 883 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 884         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 885         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 886 fi
 887
 888 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 890         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 891 fi
 892
 893 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 894         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 895         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 896 fi
 897
 898 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 899 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 900
 901 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
 902 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 903
 904 if test x$has_extension_module != xno ; then
 905         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 906         AC_MSG_NOTICE([Enabling mono extension module.])
 907 fi
 908
 909
 910 AC_MSG_CHECKING(for visibility __attribute__)
 911 AC_COMPILE_IFELSE([
 912         AC_LANG_SOURCE([[
 913                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 914                 int main () { doit (); return 0; }
 915         ]])
 916 ], [
 917    have_visibility_hidden=yes
 918    AC_MSG_RESULT(yes)
 919 ], [
 920    have_visibility_hidden=no
 921    AC_MSG_RESULT(no)
 922 ])
 923
 924 AC_MSG_CHECKING(for deprecated __attribute__)
 925 AC_TRY_COMPILE([
 926      int doit (void) __attribute__ ((deprecated));
 927      int doit (void) { return 0; }
 928 ], [
 929         return 0;
 930 ], [
 931    have_deprecated=yes
 932    AC_MSG_RESULT(yes)
 933 ], [
 934    have_deprecated=no
 935    AC_MSG_RESULT(no)
 936 ])
 937
 938 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 939 if test x$enable_parallel_mark = xyes; then
 940         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 941 fi
 942
 943 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 944 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 945
 946 dnl
 947 dnl Boehm GC configuration
 948 dnl
 949 LIBGC_CPPFLAGS=
 950 LIBGC_LIBS=
 951 LIBGC_STATIC_LIBS=
 952 libgc_dir=
 953 case "x$gc" in
 954         xboehm|xbohem|xyes)
 955                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 956                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 957
 958                 if test "x$found_boehm" != "xyes"; then
 959                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 960                 fi
 961                 if test "x$gc_headers" != "xyes"; then
 962                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 963                 fi
 964
 965                 LIBGC_LIBS="-lgc $libdl"
 966                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 967                 libmono_ldflags="$libmono_ldflags -lgc"
 968                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 969
 970                 # AC_CHECK_FUNCS does not work for some reason...
 971                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 972                 if test "x$found_gcj_malloc" = "xyes"; then
 973                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 974                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 975                         gc_msg="System Boehm with typed GC"
 976                 else
 977                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 978                         gc_msg="System Boehm (without typed GC)"
 979                 fi
 980                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 981                 if test "x$found_gc_enable" = "xyes"; then
 982                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 983                 fi
 984
 985                 # check whether we need to explicitly allow
 986                 # thread registering
 987                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 988                 if test "x$found_allow_register_threads" = "xyes"; then
 989                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 990                 fi
 991
 992                 ;;
 993
 994         xincluded)
 995                 use_included_gc=yes
 996                 libgc_dir=libgc
 997
 998                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 999                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1000                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1001
1002                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1003
1004                 gc_msg="bundled Boehm GC with typed GC"
1005                 if test x$enable_parallel_mark = xyes; then
1006                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1007                         gc_msg="$gc_msg and parallel mark"
1008                 else
1009                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1010                 fi
1011                 ;;
1012
1013         xsgen)
1014                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1015                 ;;
1016
1017         xnone)
1018                 AC_MSG_WARN("Compiling mono without GC.")
1019                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1020                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1021                 ;;
1022         *)
1023                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1024                 ;;
1025 esac
1026
1027 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1028 if test "x$large_heap" = "xyes"; then
1029    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1030 fi
1031
1032 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1033 AC_SUBST(LIBGC_CPPFLAGS)
1034 AC_SUBST(LIBGC_LIBS)
1035 AC_SUBST(LIBGC_STATIC_LIBS)
1036 AC_SUBST(libgc_dir)
1037 AC_SUBST(BOEHM_DEFINES)
1038
1039 dnl
1040 dnl End of libgc checks
1041 dnl
1042
1043 dnl *************************************
1044 dnl *** Checks for zero length arrays ***
1045 dnl *************************************
1046 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1047 AC_TRY_COMPILE([
1048         struct s {
1049                 int  length;
1050                 char data [0];
1051         };
1052 ], [], [
1053         AC_MSG_RESULT(yes)
1054         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1055 ], [
1056         AC_MSG_RESULT(no)
1057         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1058 ])
1059
1060 if test x$target_win32 = xno; then
1061
1062         dnl hires monotonic clock support
1063         AC_SEARCH_LIBS(clock_gettime, rt)
1064
1065         dnl dynamic loader support
1066         AC_CHECK_FUNC(dlopen, DL_LIB="",
1067                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1068         )
1069         if test x$dl_support = xno; then
1070                 AC_MSG_WARN([No dynamic loading support available])
1071         else
1072                 LIBS="$LIBS $DL_LIB"
1073                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1074                 dnl from glib's configure.in
1075                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1076                         mono_cv_uscore,[
1077                         AC_TRY_RUN([#include <dlfcn.h>
1078                         int mono_underscore_test (void) { return 42; }
1079                         int main() {
1080                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1081                           handle = dlopen ((void*)0, 0);
1082                           if (handle) {
1083                             f1 = dlsym (handle, "mono_underscore_test");
1084                             f2 = dlsym (handle, "_mono_underscore_test");
1085                           } return (!f2 || f1);
1086                         }],
1087                                 [mono_cv_uscore=yes],
1088                                 [mono_cv_uscore=no],
1089                         [])
1090                 ])
1091                 if test "x$mono_cv_uscore" = "xyes"; then
1092                         MONO_DL_NEED_USCORE=1
1093                 else
1094                         MONO_DL_NEED_USCORE=0
1095                 fi
1096                 AC_SUBST(MONO_DL_NEED_USCORE)
1097                 AC_CHECK_FUNC(dlerror)
1098         fi
1099
1100         dnl ******************************************************************
1101         dnl *** Checks for the IKVM JNI interface library                  ***
1102         dnl ******************************************************************
1103         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])
1104
1105         ikvm_native_dir=
1106         if test x$with_ikvm_native = xyes; then
1107                 ikvm_native_dir=ikvm-native
1108                 jdk_headers_found="IKVM Native"
1109         fi
1110
1111         AC_SUBST(ikvm_native_dir)
1112
1113         AC_CHECK_HEADERS(execinfo.h)
1114
1115         AC_CHECK_FUNCS(getgrgid_r)
1116         AC_CHECK_FUNCS(getgrnam_r)
1117         AC_CHECK_FUNCS(getpwnam_r)
1118         AC_CHECK_FUNCS(getpwuid_r)
1119         AC_CHECK_FUNCS(getresuid)
1120         AC_CHECK_FUNCS(setresuid)
1121         AC_CHECK_FUNCS(kqueue)
1122         AC_CHECK_FUNCS(backtrace_symbols)
1123         AC_CHECK_FUNCS(mkstemp)
1124         AC_CHECK_FUNCS(mmap)
1125         AC_CHECK_FUNCS(madvise)
1126         AC_CHECK_FUNCS(getrusage)
1127         AC_CHECK_FUNCS(getpriority)
1128         AC_CHECK_FUNCS(setpriority)
1129         AC_CHECK_FUNCS(dl_iterate_phdr)
1130         AC_CHECK_FUNCS(dladdr)
1131         AC_CHECK_FUNCS(sysconf)
1132
1133         AC_CHECK_FUNCS(sched_setaffinity)
1134         AC_CHECK_FUNCS(sched_getcpu)
1135
1136         dnl ****************************************************************
1137         dnl *** Check for sched_setaffinity from glibc versions before   ***
1138         dnl *** 2.3.4. The older versions of the function only take 2    ***
1139         dnl *** parameters, not 3.                                       ***
1140         dnl ***                                                          ***
1141         dnl *** Because the interface change was not made in a minor     ***
1142         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1143         dnl *** won't always indicate the interface sched_affinity has.  ***
1144         dnl ****************************************************************
1145         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1146         AC_TRY_COMPILE([#include <sched.h>], [
1147             int mask = 1;
1148             sched_setaffinity(0, &mask);
1149                         return 0;
1150         ], [
1151                 # Yes, we have it...
1152                 AC_MSG_RESULT(yes)
1153                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1154         ], [
1155                 # We have the new, three-parameter version
1156                 AC_MSG_RESULT(no)
1157         ])
1158
1159
1160         dnl ******************************************************************
1161         dnl *** Check for large file support                               ***
1162         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1163         dnl ******************************************************************
1164
1165         # Check that off_t can represent 2**63 - 1 correctly, working around
1166         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1167         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1168         large_offt=no
1169         AC_DEFUN([LARGE_FILES], [
1170                 large_CPPFLAGS=$CPPFLAGS
1171                 CPPFLAGS="$CPPFLAGS $1"
1172                 AC_TRY_COMPILE([
1173                         #include <sys/types.h>
1174                         #include <limits.h>
1175                 ], [
1176                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1177                         #define COMPILE_TIME_ASSERT(pred) \
1178                                 switch(0){case 0:case pred:;}
1179                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1180                 ], [
1181                         AC_MSG_RESULT(ok)
1182                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1183                         large_CPPFLAGS="$large_CPPFLAGS $1"
1184                         large_offt=yes
1185                 ], [
1186                         AC_MSG_RESULT(no)
1187                 ])
1188                 CPPFLAGS=$large_CPPFLAGS
1189         ])
1190
1191         AC_MSG_CHECKING(if off_t is 64 bits wide)
1192         LARGE_FILES("")
1193         if test $large_offt = no; then
1194                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1195                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1196         fi
1197         if test $large_offt = no; then
1198                 AC_MSG_WARN([No 64 bit file size support available])
1199         fi
1200
1201         dnl *****************************
1202         dnl *** Checks for libsocket  ***
1203         dnl *****************************
1204         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1205
1206         case "$host" in
1207                 *-*-*freebsd*)
1208                         dnl *****************************
1209                         dnl *** Checks for libinotify ***
1210                         dnl *****************************
1211                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1212         esac
1213
1214         dnl *******************************
1215         dnl *** Checks for MSG_NOSIGNAL ***
1216         dnl *******************************
1217         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1218         AC_TRY_COMPILE([#include <sys/socket.h>], [
1219                 int f = MSG_NOSIGNAL;
1220         ], [
1221                 # Yes, we have it...
1222                 AC_MSG_RESULT(yes)
1223                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1224         ], [
1225                 # We'll have to use signals
1226                 AC_MSG_RESULT(no)
1227         ])
1228
1229         dnl *****************************
1230         dnl *** Checks for SOL_IP     ***
1231         dnl *****************************
1232         AC_MSG_CHECKING(for SOL_IP)
1233         AC_TRY_COMPILE([#include <netdb.h>], [
1234                 int level = SOL_IP;
1235         ], [
1236                 # Yes, we have it...
1237                 AC_MSG_RESULT(yes)
1238                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1239         ], [
1240                 # We'll have to use getprotobyname
1241                 AC_MSG_RESULT(no)
1242         ])
1243
1244         dnl *****************************
1245         dnl *** Checks for SOL_IPV6     ***
1246         dnl *****************************
1247         AC_MSG_CHECKING(for SOL_IPV6)
1248         AC_TRY_COMPILE([#include <netdb.h>], [
1249                 int level = SOL_IPV6;
1250         ], [
1251                 # Yes, we have it...
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1254         ], [
1255                 # We'll have to use getprotobyname
1256                 AC_MSG_RESULT(no)
1257         ])
1258
1259         dnl *****************************
1260         dnl *** Checks for SOL_TCP    ***
1261         dnl *****************************
1262         AC_MSG_CHECKING(for SOL_TCP)
1263         AC_TRY_COMPILE([#include <netdb.h>], [
1264                 int level = SOL_TCP;
1265         ], [
1266                 # Yes, we have it...
1267                 AC_MSG_RESULT(yes)
1268                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1269         ], [
1270                 # We'll have to use getprotobyname
1271                 AC_MSG_RESULT(no)
1272         ])
1273
1274         dnl *****************************
1275         dnl *** Checks for IP_PKTINFO ***
1276         dnl *****************************
1277         AC_MSG_CHECKING(for IP_PKTINFO)
1278         AC_TRY_COMPILE([#include <netdb.h>], [
1279                 int level = IP_PKTINFO;
1280         ], [
1281                 # Yes, we have it...
1282                 AC_MSG_RESULT(yes)
1283                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1284         ], [
1285                 AC_MSG_RESULT(no)
1286         ])
1287
1288         dnl *****************************
1289         dnl *** Checks for IPV6_PKTINFO ***
1290         dnl *****************************
1291         AC_MSG_CHECKING(for IPV6_PKTINFO)
1292         AC_TRY_COMPILE([#include <netdb.h>], [
1293                 int level = IPV6_PKTINFO;
1294         ], [
1295                 # Yes, we have it...
1296                 AC_MSG_RESULT(yes)
1297                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1298         ], [
1299                 AC_MSG_RESULT(no)
1300         ])
1301
1302         dnl **********************************
1303         dnl *** Checks for IP_DONTFRAGMENT ***
1304         dnl **********************************
1305         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1306         AC_TRY_COMPILE([#include <netdb.h>], [
1307                 int level = IP_DONTFRAGMENT;
1308         ], [
1309                 # Yes, we have it...
1310                 AC_MSG_RESULT(yes)
1311                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1312         ], [
1313                 AC_MSG_RESULT(no)
1314         ])
1315
1316         dnl **********************************
1317         dnl *** Checks for IP_MTU_DISCOVER ***
1318         dnl **********************************
1319         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1320         AC_TRY_COMPILE([#include <netdb.h>], [
1321                 int level = IP_MTU_DISCOVER;
1322         ], [
1323                 # Yes, we have it...
1324                 AC_MSG_RESULT(yes)
1325                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1326         ], [
1327                 AC_MSG_RESULT(no)
1328         ])
1329
1330         dnl *********************************
1331         dnl *** Check for struct ip_mreqn ***
1332         dnl *********************************
1333         AC_MSG_CHECKING(for struct ip_mreqn)
1334         AC_TRY_COMPILE([#include <netinet/in.h>], [
1335                 struct ip_mreqn mreq;
1336                 mreq.imr_address.s_addr = 0;
1337         ], [
1338                 # Yes, we have it...
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1341         ], [
1342                 # We'll just have to try and use struct ip_mreq
1343                 AC_MSG_RESULT(no)
1344                 AC_MSG_CHECKING(for struct ip_mreq)
1345                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1346                         struct ip_mreq mreq;
1347                         mreq.imr_interface.s_addr = 0;
1348                 ], [
1349                         # Yes, we have it...
1350                         AC_MSG_RESULT(yes)
1351                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1352                 ], [
1353                         # No multicast support
1354                         AC_MSG_RESULT(no)
1355                 ])
1356         ])
1357
1358         dnl **********************************
1359         dnl *** Check for gethostbyname2_r ***
1360         dnl **********************************
1361         AC_MSG_CHECKING(for gethostbyname2_r)
1362                 AC_TRY_LINK([#include <netdb.h>], [
1363                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1364         ], [
1365                 # Yes, we have it...
1366                 AC_MSG_RESULT(yes)
1367                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1368         ], [
1369                 AC_MSG_RESULT(no)
1370         ])
1371
1372         dnl *****************************
1373         dnl *** Checks for libnsl     ***
1374         dnl *****************************
1375         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1376
1377         AC_CHECK_FUNCS(inet_pton inet_aton)
1378
1379         dnl ***********************************************
1380         dnl *** Checks for size of sockaddr_un.sun_path ***
1381         dnl ***********************************************
1382         # AC_CHECK_SIZEOF can't cope with struct members :-(
1383         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1384         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1385                 [AC_TRY_RUN([
1386                         #include <sys/types.h>
1387                         #include <stdio.h>
1388                         #include <sys/un.h>
1389
1390                         int main(void) {
1391                                 struct sockaddr_un sock_un;
1392                                 FILE *f=fopen("conftestval", "w");
1393                                 if(!f) exit(1);
1394                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1395                                 exit(0);
1396                         }
1397                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1398                    mono_cv_sizeof_sunpath=0,
1399                    mono_cv_sizeof_sunpath=0)])dnl
1400         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1401         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1402
1403         dnl *****************************
1404         dnl *** Checks for libxnet    ***
1405         dnl *****************************
1406         case "${host}" in
1407                 *solaris* )
1408                         AC_MSG_CHECKING(for Solaris XPG4 support)
1409                         if test -f /usr/lib/libxnet.so; then
1410                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1411                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1412                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1413                                 LIBS="$LIBS -lxnet"
1414                                 AC_MSG_RESULT(yes)
1415                         else
1416                                 AC_MSG_RESULT(no)
1417                         fi
1418
1419                         if test "$GCC" = "yes"; then
1420                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1421                         fi
1422                 ;;
1423         esac
1424
1425         dnl *****************************
1426         dnl *** Checks for libpthread ***
1427         dnl *****************************
1428 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1429 # and libpthread does not exist
1430 #
1431         case "${host}" in
1432                 *-*-*freebsd*)
1433                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1434                 ;;
1435                 *-*-*openbsd*)
1436                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1437                 ;;
1438                 *)
1439                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1440                 ;;
1441         esac
1442         AC_CHECK_HEADERS(pthread.h)
1443         AC_CHECK_HEADERS(pthread_np.h)
1444         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1445         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1446         AC_CHECK_FUNCS(pthread_kill)
1447         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1448         AC_TRY_COMPILE([ #include <pthread.h>], [
1449                 pthread_mutexattr_t attr;
1450                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1451         ], [
1452                 AC_MSG_RESULT(ok)
1453         ], [
1454                 AC_MSG_RESULT(no)
1455                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1456                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1457         ])
1458         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1459         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1460         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1461
1462         dnl ***********************************
1463         dnl *** Checks for signals
1464         dnl ***********************************
1465         AC_CHECK_HEADERS(signal.h)
1466         AC_CHECK_FUNCS(sigaction)
1467
1468         dnl ***********************************
1469         dnl *** Checks for working __thread ***
1470         dnl ***********************************
1471         AC_MSG_CHECKING(for working __thread)
1472         if test "x$with_tls" != "x__thread"; then
1473                 AC_MSG_RESULT(disabled)
1474         else
1475                 AC_TRY_RUN([
1476                         #include <pthread.h>
1477                         __thread int i;
1478                         static int res1, res2;
1479
1480                         void thread_main (void *arg)
1481                         {
1482                                 i = arg;
1483                                 sleep (1);
1484                                 if (arg == 1)
1485                                         res1 = (i == arg);
1486                                 else
1487                                         res2 = (i == arg);
1488                         }
1489
1490                         int main () {
1491                                 pthread_t t1, t2;
1492
1493                                 i = 5;
1494
1495                                 pthread_create (&t1, NULL, thread_main, 1);
1496                                 pthread_create (&t2, NULL, thread_main, 2);
1497
1498                                 pthread_join (t1, NULL);
1499                                 pthread_join (t2, NULL);
1500
1501                                 return !(res1 + res2 == 2);
1502                         }
1503                 ], [
1504                                 AC_MSG_RESULT(yes)
1505                 ], [
1506                                 AC_MSG_RESULT(no)
1507                                 with_tls=pthread
1508                 ])
1509         fi
1510
1511         dnl **************************************
1512         dnl *** Checks for working sigaltstack ***
1513         dnl **************************************
1514         AC_MSG_CHECKING(for working sigaltstack)
1515         if test "x$with_sigaltstack" != "xyes"; then
1516                 AC_MSG_RESULT(disabled)
1517         else
1518                 AC_TRY_RUN([
1519                         #include <stdio.h>
1520                         #include <stdlib.h>
1521                         #include <unistd.h>
1522                         #include <signal.h>
1523                         #include <pthread.h>
1524                         #include <sys/wait.h>
1525                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1526                         #define SA_STACK SA_ONSTACK
1527                         #endif
1528                         static void
1529                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1530                         {
1531                                 exit (0);
1532                         }
1533
1534                         volatile char*__ptr = NULL;
1535                         static void *
1536                         loop (void *ignored)
1537                         {
1538                                 *__ptr = 0;
1539                                 return NULL;
1540                         }
1541
1542                         static void
1543                         child ()
1544                         {
1545                                 struct sigaction sa;
1546                         #ifdef __APPLE__
1547                                 stack_t sas;
1548                         #else
1549                                 struct sigaltstack sas;
1550                         #endif
1551                                 pthread_t id;
1552                                 pthread_attr_t attr;
1553
1554                                 sa.sa_sigaction = sigsegv_signal_handler;
1555                                 sigemptyset (&sa.sa_mask);
1556                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1557                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1558                                         perror ("sigaction");
1559                                         return;
1560                                 }
1561
1562                                 /* x86 darwin deliver segfaults using SIGBUS */
1563                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1564                                         perror ("sigaction");
1565                                         return;
1566                                 }
1567                                 sas.ss_sp = malloc (SIGSTKSZ);
1568                                 sas.ss_size = SIGSTKSZ;
1569                                 sas.ss_flags = 0;
1570                                 if (sigaltstack (&sas, NULL) == -1) {
1571                                         perror ("sigaltstack");
1572                                         return;
1573                                 }
1574
1575                                 pthread_attr_init (&attr);
1576                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1577                                         printf ("pthread_create\n");
1578                                         return;
1579                                 }
1580
1581                                 sleep (100);
1582                         }
1583
1584                         int
1585                         main ()
1586                         {
1587                                 pid_t son;
1588                                 int status;
1589                                 int i;
1590
1591                                 son = fork ();
1592                                 if (son == -1) {
1593                                         return 1;
1594                                 }
1595
1596                                 if (son == 0) {
1597                                         child ();
1598                                         return 0;
1599                                 }
1600
1601                                 for (i = 0; i < 300; ++i) {
1602                                         waitpid (son, &status, WNOHANG);
1603                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1604                                                 return 0;
1605                                         usleep (10000);
1606                                 }
1607
1608                                 kill (son, SIGKILL);
1609                                 return 1;
1610                         }
1611
1612                 ], [
1613                                 AC_MSG_RESULT(yes)
1614                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1615                 ], [
1616                                 with_sigaltstack=no
1617                                 AC_MSG_RESULT(no)
1618                 ])
1619         fi
1620
1621         dnl ********************************
1622         dnl *** Checks for semaphore lib ***
1623         dnl ********************************
1624         # 'Real Time' functions on Solaris
1625         # posix4 on Solaris 2.6
1626         # pthread (first!) on Linux
1627         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1628
1629         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1630         AC_CHECK_FUNCS(shm_open)
1631
1632         dnl ********************************
1633         dnl *** Checks for timezone stuff **
1634         dnl ********************************
1635         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1636                 AC_TRY_COMPILE([
1637                         #include <time.h>
1638                         ], [
1639                         struct tm tm;
1640                         tm.tm_gmtoff = 1;
1641                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1642         if test $ac_cv_struct_tm_gmtoff = yes; then
1643                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1644         else
1645                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1646                         AC_TRY_COMPILE([
1647                                 #include <time.h>
1648                         ], [
1649                                 timezone = 1;
1650                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1651                 if test $ac_cv_var_timezone = yes; then
1652                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1653                 else
1654                         AC_ERROR(unable to find a way to determine timezone)
1655                 fi
1656         fi
1657
1658         dnl *********************************
1659         dnl *** Checks for math functions ***
1660         dnl *********************************
1661         AC_SEARCH_LIBS(sqrtf, m)
1662         if test "x$has_broken_apple_cpp" != "xyes"; then
1663                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1664                         AC_TRY_LINK([#include <math.h>],
1665                         [ finite(0.0); ],
1666                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1667                         AC_MSG_RESULT(no)))
1668         fi
1669         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1670                 AC_TRY_LINK([#include <math.h>],
1671                 [ isfinite(0.0); ],
1672                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1673                 AC_MSG_RESULT(no)))
1674
1675         dnl ****************************************************************
1676         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1677         dnl *** have it in the library (duh))                            ***
1678         dnl ****************************************************************
1679         AC_CHECK_FUNCS(poll)
1680
1681         dnl *************************
1682         dnl *** Check for signbit ***
1683         dnl *************************
1684         AC_MSG_CHECKING(for signbit)
1685         AC_TRY_LINK([#include <math.h>], [
1686                 int s = signbit(1.0);
1687         ], [
1688                 AC_MSG_RESULT(yes)
1689                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1690         ], [
1691                 AC_MSG_RESULT(no)
1692         ])
1693
1694         dnl **********************************
1695         dnl *** epoll                      ***
1696         dnl **********************************
1697         AC_CHECK_HEADERS(sys/epoll.h)
1698         haveepoll=no
1699         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1700         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1701                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1702         fi
1703
1704         havekqueue=no
1705         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1706                 AC_TRY_LINK([#include <sys/event.h>],
1707                 [ kqueue(); ],[havekqueue=yes],[]))
1708
1709         dnl **************************************
1710         dnl * Darwin has a race that prevents us from using reliably:
1711         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1712         dnl * Since kqueue is mostly used for scaling large web servers,
1713         dnl * and very few folks run Mono on large web servers on OSX, falling
1714         dnl * back
1715         dnl **************************************
1716         if test x$havekqueue = xyes; then
1717                 if x$platform_darwin = xno; then
1718                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1719                 fi
1720         fi
1721
1722         dnl ******************************
1723         dnl *** Checks for SIOCGIFCONF ***
1724         dnl ******************************
1725         AC_CHECK_HEADERS(sys/ioctl.h)
1726         AC_CHECK_HEADERS(net/if.h, [], [],
1727            [
1728            #ifdef HAVE_SYS_TYPES_H
1729            # include <sys/types.h>
1730            #endif
1731            #ifdef HAVE_SYS_SOCKET_H
1732            # include <sys/socket.h>
1733            #endif
1734            ])
1735         AC_MSG_CHECKING(for ifreq)
1736         AC_TRY_COMPILE([
1737                 #include <stdio.h>
1738                 #include <sys/ioctl.h>
1739                 #include <net/if.h>
1740                 ], [
1741                 struct ifconf ifc;
1742                 struct ifreq *ifr;
1743                 void *x;
1744                 ifc.ifc_len = 0;
1745                 ifc.ifc_buf = NULL;
1746                 x = (void *) &ifr->ifr_addr;
1747                 ],[
1748                         AC_MSG_RESULT(yes)
1749                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1750                 ], [
1751                         AC_MSG_RESULT(no)
1752                 ])
1753         dnl **********************************
1754         dnl ***     Checks for sin_len     ***
1755         dnl **********************************
1756         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1757         AC_TRY_COMPILE([
1758                 #include <netinet/in.h>
1759                 ], [
1760                 struct sockaddr_in saddr;
1761                 saddr.sin_len = sizeof (saddr);
1762                 ],[
1763                         AC_MSG_RESULT(yes)
1764                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1765                 ], [
1766                         AC_MSG_RESULT(no)
1767                 ])
1768         dnl **********************************
1769         dnl ***    Checks for sin6_len     ***
1770         dnl **********************************
1771         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1772         AC_TRY_COMPILE([
1773                 #include <netinet/in.h>
1774                 ], [
1775                 struct sockaddr_in6 saddr6;
1776                 saddr6.sin6_len = sizeof (saddr6);
1777                 ],[
1778                         AC_MSG_RESULT(yes)
1779                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1780                 ], [
1781                         AC_MSG_RESULT(no)
1782                 ])
1783         dnl **********************************
1784         dnl *** Check for getifaddrs       ***
1785         dnl **********************************
1786         AC_MSG_CHECKING(for getifaddrs)
1787                 AC_TRY_LINK([
1788                 #include <stdio.h>
1789                 #include <sys/types.h>
1790                 #include <sys/socket.h>
1791                 #include <ifaddrs.h>
1792         ], [
1793                 getifaddrs(NULL);
1794         ], [
1795                 # Yes, we have it...
1796                 AC_MSG_RESULT(yes)
1797                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1798         ], [
1799                 AC_MSG_RESULT(no)
1800         ])
1801         dnl **********************************
1802         dnl *** Check for if_nametoindex   ***
1803         dnl **********************************
1804         AC_MSG_CHECKING(for if_nametoindex)
1805                 AC_TRY_LINK([
1806                 #include <stdio.h>
1807                 #include <sys/types.h>
1808                 #include <sys/socket.h>
1809                 #include <net/if.h>
1810         ], [
1811                 if_nametoindex(NULL);
1812         ], [
1813                 # Yes, we have it...
1814                 AC_MSG_RESULT(yes)
1815                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1816         ], [
1817                 AC_MSG_RESULT(no)
1818         ])
1819
1820         dnl **********************************
1821         dnl *** Checks for MonoPosixHelper ***
1822         dnl **********************************
1823         AC_CHECK_HEADERS(checklist.h)
1824         AC_CHECK_HEADERS(pathconf.h)
1825         AC_CHECK_HEADERS(fstab.h)
1826         AC_CHECK_HEADERS(attr/xattr.h)
1827         AC_CHECK_HEADERS(sys/extattr.h)
1828         AC_CHECK_HEADERS(sys/sendfile.h)
1829         AC_CHECK_HEADERS(sys/statvfs.h)
1830         AC_CHECK_HEADERS(sys/statfs.h)
1831         AC_CHECK_HEADERS(sys/vfstab.h)
1832         AC_CHECK_HEADERS(sys/xattr.h)
1833         AC_CHECK_HEADERS(sys/mman.h)
1834         AC_CHECK_HEADERS(sys/param.h)
1835         AC_CHECK_HEADERS(sys/mount.h, [], [],
1836                 [
1837                 #ifdef HAVE_SYS_PARAM_H
1838                 # include <sys/param.h>
1839                 #endif
1840                 ])
1841         AC_CHECK_HEADERS(sys/mount.h)
1842         AC_CHECK_FUNCS(confstr)
1843         AC_CHECK_FUNCS(seekdir telldir)
1844         AC_CHECK_FUNCS(getdomainname)
1845         AC_CHECK_FUNCS(setdomainname)
1846         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1847         AC_CHECK_FUNCS(setgroups)
1848         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1849         AC_CHECK_FUNCS(getfsstat)
1850         AC_CHECK_FUNCS(lutimes futimes)
1851         AC_CHECK_FUNCS(mremap)
1852         AC_CHECK_FUNCS(remap_file_pages)
1853         AC_CHECK_FUNCS(posix_fadvise)
1854         AC_CHECK_FUNCS(posix_fallocate)
1855         AC_CHECK_FUNCS(posix_madvise)
1856         AC_CHECK_FUNCS(vsnprintf)
1857         AC_CHECK_FUNCS(sendfile)
1858         AC_CHECK_FUNCS(gethostid sethostid)
1859         AC_CHECK_FUNCS(sethostname)
1860         AC_CHECK_FUNCS(statfs)
1861         AC_CHECK_FUNCS(fstatfs)
1862         AC_CHECK_FUNCS(statvfs)
1863         AC_CHECK_FUNCS(fstatvfs)
1864         AC_CHECK_FUNCS(stime)
1865         AC_CHECK_FUNCS(strerror_r)
1866         AC_CHECK_FUNCS(ttyname_r)
1867         AC_CHECK_FUNCS(psignal)
1868         AC_CHECK_FUNCS(getlogin_r)
1869         AC_CHECK_FUNCS(lockf)
1870         AC_CHECK_FUNCS(swab)
1871         AC_CHECK_FUNCS(setusershell endusershell)
1872         AC_CHECK_SIZEOF(size_t)
1873         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1874                 [#include <sys/types.h>
1875                  #include <sys/stat.h>
1876                  #include <unistd.h>])
1877         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1878                 [#include <sys/types.h>
1879                  #include <sys/stat.h>
1880                  #include <unistd.h>])
1881         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1882                 [#include <sys/time.h>])
1883         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1884                 [#include <unistd.h>
1885                  #include <fcntl.h>])
1886         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1887                 [#include <sys/poll.h>])
1888         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1889                 [#include <sys/types.h>
1890                  #include <sys/stat.h>
1891                  #include <unistd.h>])
1892         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1893                 [#include <time.h>])
1894         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1895                 [#include <sys/time.h>
1896                  #include <sys/types.h>
1897                  #include <utime.h>])
1898         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1899                 [#include <sys/time.h>])
1900         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1901                 [#include <sys/types.h>
1902                  #include <utime.h>])
1903         AC_CHECK_MEMBERS(
1904                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1905                 [#include <sys/types.h>
1906                  #include <dirent.h>])
1907         AC_CHECK_MEMBERS(
1908                 [struct passwd.pw_gecos],,,
1909                 [#include <sys/types.h>
1910                  #include <pwd.h>])
1911         AC_CHECK_MEMBERS(
1912                 [struct statfs.f_flags],,,
1913                 [#include <sys/types.h>
1914                  #include <sys/vfs.h>])
1915
1916         dnl Favour xattr through glibc, but use libattr if we have to
1917         AC_CHECK_FUNC(lsetxattr, ,
1918                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1919         )
1920         AC_SUBST(XATTR_LIB)
1921
1922         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1923         AC_CHECK_MEMBERS(
1924                 [struct kinfo_proc.kp_proc],,,
1925                 [#include <sys/types.h>
1926                  #include <sys/param.h>
1927                  #include <sys/sysctl.h>
1928                  #include <sys/proc.h>
1929                  ])
1930
1931         dnl *********************************
1932         dnl *** Checks for Windows compilation ***
1933         dnl *********************************
1934         AC_CHECK_HEADERS(sys/time.h)
1935         AC_CHECK_HEADERS(sys/param.h)
1936         AC_CHECK_HEADERS(dirent.h)
1937
1938         dnl *********************************
1939         dnl *** Check for Console 2.0 I/O ***
1940         dnl *********************************
1941         AC_CHECK_HEADERS([curses.h])
1942         AC_CHECK_HEADERS([term.h], [], [],
1943         [#if HAVE_CURSES_H
1944          #include <curses.h>
1945          #endif
1946         ])
1947         AC_CHECK_HEADERS([termios.h])
1948
1949         dnl * This is provided in io-layer, but on windows it's only available
1950         dnl * on xp+
1951         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1952 else
1953         dnl *********************************
1954         dnl *** Checks for Windows compilation ***
1955         dnl *********************************
1956         AC_CHECK_HEADERS(winternl.h)
1957
1958         jdk_headers_found=no
1959         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1960         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1961         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1962         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1963         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1964         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1965         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1966
1967         dnl *********************************
1968         dnl *** Check for struct ip_mreqn ***
1969         dnl *********************************
1970         AC_MSG_CHECKING(for struct ip_mreqn)
1971         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1972                 struct ip_mreqn mreq;
1973                 mreq.imr_address.s_addr = 0;
1974         ], [
1975                 # Yes, we have it...
1976                 AC_MSG_RESULT(yes)
1977                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1978         ], [
1979                 # We'll just have to try and use struct ip_mreq
1980                 AC_MSG_RESULT(no)
1981                 AC_MSG_CHECKING(for struct ip_mreq)
1982                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1983                         struct ip_mreq mreq;
1984                         mreq.imr_interface.s_addr = 0;
1985                 ], [
1986                         # Yes, we have it...
1987                         AC_MSG_RESULT(yes)
1988                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1989                 ], [
1990                         # No multicast support
1991                         AC_MSG_RESULT(no)
1992                 ])
1993         ])
1994         AC_CHECK_FUNCS(GetProcessId)
1995 fi
1996
1997 dnl socklen_t check
1998 AC_MSG_CHECKING(for socklen_t)
1999 AC_TRY_COMPILE([
2000 #include <sys/types.h>
2001 #include <sys/socket.h>
2002 ],[
2003   socklen_t foo;
2004 ],[
2005 ac_cv_c_socklen_t=yes
2006         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2007         AC_MSG_RESULT(yes)
2008 ],[
2009         AC_MSG_RESULT(no)
2010 ])
2011
2012 AC_MSG_CHECKING(for array element initializer support)
2013 AC_TRY_COMPILE([#include <sys/socket.h>], [
2014         const int array[] = {[1] = 2,};
2015 ], [
2016         # Yes, we have it...
2017         AC_MSG_RESULT(yes)
2018         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2019 ], [
2020         # We'll have to use signals
2021         AC_MSG_RESULT(no)
2022 ])
2023
2024 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2025         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2026         AC_TRY_LINK([#include <math.h>],
2027         [ static void *p = &trunc; ],
2028         [
2029                 AC_DEFINE(HAVE_TRUNC)
2030                 AC_MSG_RESULT(yes)
2031                 ac_cv_trunc=yes
2032         ],
2033         AC_MSG_RESULT(no)))
2034
2035 if test "x$ac_cv_truncl" != "xyes"; then
2036    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2037 fi
2038
2039 AC_CHECK_FUNCS(round)
2040 AC_CHECK_FUNCS(rint)
2041 AC_CHECK_FUNCS(execvp)
2042
2043 dnl ****************************
2044 dnl *** Look for /dev/random ***
2045 dnl ****************************
2046
2047 AC_MSG_CHECKING([if usage of random device is requested])
2048 AC_ARG_ENABLE(dev-random,
2049 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2050 try_dev_random=$enableval, try_dev_random=yes)
2051
2052 AC_MSG_RESULT($try_dev_random)
2053
2054 case "{$build}" in
2055     *-openbsd*)
2056     NAME_DEV_RANDOM="/dev/srandom"
2057     ;;
2058
2059 dnl Win32 does not have /dev/random, they have their own method...
2060
2061     *-mingw*|*-*-cygwin*)
2062     ac_cv_have_dev_random=no
2063     ;;
2064
2065 dnl Everywhere else, it's /dev/random
2066
2067     *)
2068     NAME_DEV_RANDOM="/dev/random"
2069     ;;
2070 esac
2071
2072 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2073
2074 dnl Now check if the device actually exists
2075
2076 if test "x$try_dev_random" = "xyes"; then
2077     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2078     [if test -r "$NAME_DEV_RANDOM" ; then
2079         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2080     if test "x$ac_cv_have_dev_random" = "xyes"; then
2081         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2082     fi
2083 else
2084     AC_MSG_CHECKING(for random device)
2085     ac_cv_have_dev_random=no
2086     AC_MSG_RESULT(has been disabled)
2087 fi
2088
2089 if test "x$host_win32" = "xyes"; then
2090     AC_DEFINE(HAVE_CRYPT_RNG)
2091 fi
2092
2093 if test "x$ac_cv_have_dev_random" = "xno" \
2094     && test "x$host_win32" = "xno"; then
2095     AC_MSG_WARN([[
2096 ***
2097 *** A system-provided entropy source was not found on this system.
2098 *** Because of this, the System.Security.Cryptography random number generator
2099 *** will throw a NotImplemented exception.
2100 ***
2101 *** If you are seeing this message, and you know your system DOES have an
2102 *** entropy collection in place, please contact <crichton@gimp.org> and
2103 *** provide information about the system and how to access the random device.
2104 ***
2105 *** Otherwise you can install either egd or prngd and set the environment
2106 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2107 ***]])
2108 fi
2109
2110 AC_MSG_CHECKING([if inter-process shared handles are requested])
2111 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2112 AC_MSG_RESULT($try_shared_handles)
2113 if test "x$try_shared_handles" != "xyes"; then
2114         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2115         AC_SUBST(DISABLE_SHARED_HANDLES)
2116 fi
2117
2118 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2119
2120 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2121 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2122
2123 AC_MSG_CHECKING([if big-arrays are to be enabled])
2124 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2125 if test "x$enable_big_arrays" = "xyes" ; then
2126     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2127         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2128     else
2129         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2130     fi
2131 fi
2132 AC_MSG_RESULT($enable_big_arrays)
2133
2134 dnl **************
2135 dnl *** DTRACE ***
2136 dnl **************
2137
2138 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2139
2140 if test "x$enable_dtrace" = "xyes"; then
2141    if test "x$has_dtrace" = "xno"; then
2142           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2143    fi
2144    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2145    if test "x$DTRACE" = "xno"; then
2146           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2147           enable_dtrace=no
2148    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2149           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2150           enable_dtrace=no
2151    fi
2152 fi
2153
2154 dtrace_g=no
2155 if test "x$enable_dtrace" = "xyes"; then
2156         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2157         DTRACEFLAGS=
2158         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2159                 case "$host" in
2160                         powerpc-*-darwin*)
2161                         DTRACEFLAGS="-arch ppc64"
2162                         ;;
2163                         i*86-*-darwin*)
2164                         DTRACEFLAGS="-arch x86_64"
2165                         ;;
2166                         *)
2167                         DTRACEFLAGS=-64
2168                         ;;
2169                 esac
2170         else
2171                 case "$host" in
2172                         powerpc-*-darwin*)
2173                         DTRACEFLAGS="-arch ppc"
2174                         ;;
2175                         i*86-*-darwin*)
2176                         DTRACEFLAGS="-arch i386"
2177                         ;;
2178                         *)
2179                         DTRACEFLAGS=-32
2180                         ;;
2181                 esac
2182         fi
2183         AC_SUBST(DTRACEFLAGS)
2184         case "$host" in
2185                 *-*-solaris*)
2186                 dtrace_g=yes
2187                 ;;
2188         esac
2189         AC_CHECK_HEADERS([sys/sdt.h])
2190 fi
2191 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2192 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2193
2194 dnl **************
2195 dnl ***  NaCl  ***
2196 dnl **************
2197
2198 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2199 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2200
2201 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2202 if test "x$enable_nacl_codegen" = "xyes"; then
2203    MONO_NACL_ALIGN_MASK_OFF=1
2204    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2205    AC_DEFINE(TARGET_NACL, 1, [...])
2206 else
2207    MONO_NACL_ALIGN_MASK_OFF=0
2208    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2209 fi
2210 if test "x$enable_nacl_gc" = "xyes"; then
2211    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2212 fi
2213 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2214
2215 dnl **************
2216 dnl ***  LLVM  ***
2217 dnl **************
2218
2219 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2220 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2221
2222 if test "x$enable_llvm" = "xyes"; then
2223    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2224    if test "x$LLVM_CONFIG" = "xno"; then
2225           AC_MSG_ERROR([llvm-config not found.])
2226    fi
2227
2228    llvm_codegen="x86codegen"
2229    case "$target" in
2230    arm*)
2231                 llvm_codegen="armcodegen"
2232                 ;;
2233    esac
2234
2235
2236    # The output of --cflags seems to include optimizations flags too
2237    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2238    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2239    # from LLVM classes.
2240    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2241    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2242    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2243    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2244
2245    # Should be something like '2.6' or '2.7svn'
2246    llvm_version=`$LLVM_CONFIG --version`
2247    major_version=`echo $llvm_version | cut -c 1`
2248    minor_version=`echo $llvm_version | cut -c 3`
2249    AC_MSG_CHECKING(LLVM version)
2250    AC_MSG_RESULT($llvm_version)
2251    if echo $llvm_version | grep -q 'mono'; then
2252           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2253           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2254    else
2255           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.])
2256    fi
2257
2258    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2259    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2260    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2261
2262    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2263    # llvm's config.h
2264    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2265
2266    AC_SUBST(LLVM_CFLAGS)
2267    AC_SUBST(LLVM_CXXFLAGS)
2268    AC_SUBST(LLVM_LIBS)
2269    AC_SUBST(LLVM_LDFLAGS)
2270    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2271 fi
2272
2273 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2274 if test "x$enable_loadedllvm" = "xyes"; then
2275    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2276 fi
2277 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2278
2279 TARGET="unknown"
2280 ACCESS_UNALIGNED="yes"
2281
2282 JIT_SUPPORTED=no
2283 INTERP_SUPPORTED=no
2284 LIBC="libc.so.6"
2285 INTL="libc.so.6"
2286 SQLITE="libsqlite.so.0"
2287 SQLITE3="libsqlite3.so.0"
2288 X11="libX11.so"
2289
2290 sizeof_register="SIZEOF_VOID_P"
2291
2292 jit_wanted=true
2293 interp_wanted=false
2294 sgen_supported=false
2295 case "$host" in
2296 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2297 #               TARGET=MIPS;
2298 #               ACCESS_UNALIGNED="no"
2299 #               ;;
2300         mips*)
2301                 TARGET=MIPS;
2302                 arch_target=mips;
2303                 sgen_supported=true
2304                 ACCESS_UNALIGNED="no"
2305                 JIT_SUPPORTED=yes
2306
2307                 AC_MSG_CHECKING(for mips n32)
2308                 AC_TRY_COMPILE([],[
2309                 #if _MIPS_SIM != _ABIN32
2310                 #error Not mips n32
2311                 #endif
2312                 return 0;
2313                 ],[
2314                 AC_MSG_RESULT(yes)
2315                 sizeof_register=8
2316                 ],[
2317                 AC_MSG_RESULT(no)
2318                 ])
2319                 ;;
2320         i*86-*-*)
2321                 TARGET=X86;
2322                 arch_target=x86;
2323                 JIT_SUPPORTED=yes
2324                 case $host_os in
2325                   solaris*)
2326                         LIBC="libc.so"
2327                         INTL="libintl.so"
2328                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2329                                 TARGET=AMD64
2330                                 arch_target=amd64
2331                         fi
2332
2333                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2334                         # int astruct __attribute__ ((visibility ("hidden")));
2335                         # void foo ()
2336                         # {
2337                         #       void *p = &astruct;
2338                         # }
2339                         # gcc -fPIC --shared -o libfoo.so foo.c
2340                         # yields:
2341                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2342                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2343                         have_visibility_hidden=no
2344                         sgen_supported=true
2345                         ;;
2346                   cygwin*)
2347                         sgen_supported=true
2348                         have_visibility_hidden=no
2349                         ;;
2350                   haiku*)
2351                         LIBC=libroot.so
2352                         ;;
2353                   linux*)
2354                         sgen_supported=true
2355                         AOT_SUPPORTED="yes"
2356                         ;;
2357                   darwin*)
2358                         sgen_supported=true
2359                         AOT_SUPPORTED="yes"
2360                         ;;
2361                   darwin*|openbsd*|freebsd*)
2362                         sgen_supported=true
2363                         ;;
2364                 esac
2365                 ;;
2366         x86_64-*-* | amd64-*-*)
2367                 TARGET=AMD64;
2368                 arch_target=amd64;
2369                 JIT_SUPPORTED=yes
2370                 case $host_os in
2371                   linux*)
2372                         sgen_supported=true
2373                         AOT_SUPPORTED="yes"
2374                         ;;
2375                   darwin*|openbsd*|freebsd*)
2376                         sgen_supported=true
2377                         ;;
2378                 esac
2379                 case "$host" in
2380                         x86_64-*-nacl*)
2381                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2382                                 sizeof_register=8
2383                                 ;;
2384                 esac
2385                 ;;
2386         ia64-*-*)
2387                 TARGET=IA64
2388                 arch_target=ia64
2389                 ACCESS_UNALIGNED="no"
2390                 JIT_SUPPORTED=yes
2391                 LIBC="libc.so.6.1"
2392                 INTL="libc.so.6.1"
2393                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2394                 libmono_ldflags="-lunwind"
2395                 ;;
2396         sparc*-*-*)
2397                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2398                    TARGET=SPARC64
2399                 else
2400                         TARGET=SPARC
2401                 fi
2402                 arch_target=sparc;
2403                 JIT_SUPPORTED=yes
2404                 ACCESS_UNALIGNED="no"
2405                 case $host_os in
2406                   linux*) ;;
2407                   *)
2408                         LIBC="libc.so"
2409                         INTL="libintl.so"
2410                 esac
2411                 if test x"$GCC" = xyes; then
2412                         # We don't support v8 cpus
2413                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2414                 fi
2415                 if test x"$AR" = xfalse; then
2416                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2417                 fi
2418                 sgen_supported=true
2419                 ;;
2420        alpha*-*-linux* | alpha*-*-osf*)
2421                 TARGET=ALPHA;
2422                 ACCESS_UNALIGNED="no"
2423                 JIT_SUPPORTED=yes
2424                 arch_target=alpha;
2425                 CFLAGS="$CFLAGS -mieee -O0"
2426                 case $host_os in
2427                   linux*)
2428                         LIBC="libc.so.6.1"
2429                         INTL="libc.so.6.1"
2430                 esac
2431                ;;
2432         *-mingw*|*-*-cygwin*)
2433                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2434                 have_visibility_hidden=no
2435                 INTL="intl"
2436                 ;;
2437         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2438                 TARGET=HPPA;
2439                 arch_target=hppa;
2440                 LIBC="libc.sl"
2441                 ACCESS_UNALIGNED="no"
2442                 INTERP_SUPPORTED=yes
2443                 interp_wanted=true
2444                 ;;
2445         hppa*linux*)
2446                 TARGET=HPPA;
2447                 arch_target=hppa;
2448                 ACCESS_UNALIGNED="no"
2449                 JIT_SUPPORTED=yes
2450                 ;;
2451         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2452         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2453                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2454                         TARGET=POWERPC64;
2455                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2456                         CFLAGS="$CFLAGS -mminimal-toc"
2457                 else
2458                         TARGET=POWERPC;
2459                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2460                 fi
2461                 arch_target=ppc;
2462                 JIT_SUPPORTED=yes
2463                 case $host_os in
2464                   linux*|darwin*)
2465                         sgen_supported=true
2466                         ;;
2467                 esac
2468                 ;;
2469         arm*-darwin*)
2470                 TARGET=ARM;
2471                 arch_target=arm;
2472                 ACCESS_UNALIGNED="no"
2473                 JIT_SUPPORTED=yes
2474                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2475                 # libgc's gc_locks.h depends on this
2476             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2477                 sgen_supported=true
2478                 ;;
2479         arm*-linux*)
2480                 TARGET=ARM;
2481                 arch_target=arm;
2482                 ACCESS_UNALIGNED="no"
2483                 JIT_SUPPORTED=yes
2484                 sgen_supported=true
2485                 AOT_SUPPORTED="yes"
2486                 ;;
2487         s390-*-linux*)
2488                 TARGET=S390;
2489                 arch_target=s390;
2490                 ACCESS_UNALIGNED="yes"
2491                 JIT_SUPPORTED=yes
2492                 sgen_supported=true
2493                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2494                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2495                 ;;
2496         s390x-*-linux*)
2497                 TARGET=S390x;
2498                 arch_target=s390x;
2499                 ACCESS_UNALIGNED="yes"
2500                 JIT_SUPPORTED=yes
2501                 sgen_supported=true
2502                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2503                 ;;
2504 esac
2505
2506 HOST=$TARGET
2507
2508 if test "x$host" != "x$target"; then
2509    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2510    enable_mcs_build=no
2511    case "$target" in
2512    arm*-darwin*)
2513                 TARGET=ARM;
2514                 arch_target=arm;
2515                 ACCESS_UNALIGNED="no"
2516                 JIT_SUPPORTED=yes
2517                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2518                 jit_wanted=true
2519                 # Can't use tls, since it depends on the runtime detection of tls offsets
2520                 # in mono-compiler.h
2521                 with_tls=pthread
2522                 ;;
2523    powerpc64-ps3-linux-gnu)
2524                 TARGET=POWERPC64
2525                 arch_target=powerpc64
2526                 AC_DEFINE(TARGET_PS3, 1, [...])
2527                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2528                 # uses this define
2529                 AC_DEFINE(__mono_ppc64__, 1, [...])
2530                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2531                 sizeof_register=8
2532                 target_byte_order=G_BIG_ENDIAN
2533                 ;;
2534
2535    powerpc64-xbox360-linux-gnu)
2536                 TARGET=POWERPC64
2537                 arch_target=powerpc64
2538                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2539                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2540                 # uses this define
2541                 sizeof_register=8
2542                 target_byte_order=G_BIG_ENDIAN
2543                 ;;
2544    x86_64-*-nacl)
2545                 TARGET=AMD64
2546                 arch_target=amd64
2547                 AC_DEFINE(TARGET_AMD64, 1, [...])
2548                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2549                 sizeof_register=8
2550                 ;;
2551    *-*-nacl)
2552                 TARGET=X86
2553                 arch_target=x86
2554                 AC_DEFINE(TARGET_X86, 1, [...])
2555                 sizeof_register=4
2556                 ;;
2557    arm*-unknown-linux-*)
2558                 TARGET=ARM;
2559                 arch_target=arm;
2560                 AC_DEFINE(TARGET_ARM, 1, [...])
2561                 ACCESS_UNALIGNED="no"
2562                 JIT_SUPPORTED=yes
2563                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2564                 jit_wanted=true
2565                 # Can't use tls, since it depends on the runtime detection of tls offsets
2566                 # in mono-compiler.h
2567                 with_tls=pthread
2568                 target_mach=no
2569                 case "$target" in
2570                 armv7l-unknown-linux-gnueabi*)
2571                         # TEGRA
2572                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2573                         ;;
2574                 armv5-*-linux-androideabi*)
2575                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2576                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2577                         ;;
2578                 esac
2579                 ;;
2580         *)
2581                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2582         esac
2583 fi
2584
2585 # FIXME: Define the others as well
2586 case "$TARGET" in
2587 X86)
2588         AC_DEFINE(TARGET_X86, 1, [...])
2589         ;;
2590 AMD64)
2591         AC_DEFINE(TARGET_AMD64, 1, [...])
2592         ;;
2593 ARM)
2594         AC_DEFINE(TARGET_ARM, 1, [...])
2595         ;;
2596 POWERPC)
2597         AC_DEFINE(TARGET_POWERPC, 1, [...])
2598         ;;
2599 POWERPC64)
2600         AC_DEFINE(TARGET_POWERPC, 1, [...])
2601         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2602         ;;
2603 S390x)
2604         AC_DEFINE(TARGET_S390X, 1, [...])
2605         ;;
2606 MIPS)
2607         AC_DEFINE(TARGET_MIPS, 1, [...])
2608         ;;
2609 esac
2610
2611 if test "x$target_mach" = "xyes"; then
2612         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2613         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2614         #error fail this for ios
2615         #endif
2616         return 0;
2617         ], [
2618                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2619                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2620                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2621         ], [
2622                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2623                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2624                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2625         ])
2626
2627    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2628 fi
2629
2630 if test "x$sizeof_register" = "x4"; then
2631    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2632 elif test "x$sizeof_register" = "x8"; then
2633    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2634 else
2635    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2636 fi
2637
2638 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2639    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2640 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2641    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2642 else
2643    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2644 fi
2645
2646 if test "x$have_visibility_hidden" = "xyes"; then
2647    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2648 fi
2649
2650 if test "x$have_deprecated" = "xyes"; then
2651    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2652 fi
2653
2654 dnl
2655 dnl Simple Generational checks (sgen)
2656 dnl
2657 if $sgen_supported; then
2658    build_sgen_default=yes
2659 else
2660    build_sgen_default=no
2661 fi
2662 SGEN_DEFINES=
2663 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2664 if test x$buildsgen = xyes; then
2665    if $sgen_supported; then
2666        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2667        gc_msg="sgen and $gc_msg"
2668    else
2669        buildsgen=no
2670        AC_MSG_WARN("Sgen is not supported on this platform")
2671    fi
2672 fi
2673 AC_SUBST(SGEN_DEFINES)
2674 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2675
2676 USEJIT=false
2677 if test x$JIT_SUPPORTED = xyes; then
2678    if $jit_wanted; then
2679       USEJIT=true
2680       jit_status="Building and using the JIT"
2681    else
2682       if $interp_wanted; then
2683          jit_status="Building the JIT, defaulting to the interpreter"
2684       else
2685          AC_ERROR(No JIT or interpreter support available or selected.)
2686       fi
2687    fi
2688 else
2689    if test x$interp_wanted = xtrue; then
2690       jit_status="interpreter"
2691    else
2692       AC_ERROR(No JIT or interpreter support available or selected.)
2693    fi
2694 fi
2695
2696 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2697
2698 libsuffix=".so"
2699
2700 case "$host" in
2701      *-*-darwin*)
2702         libsuffix=".dylib"
2703         LIBC="libc.dylib"
2704         INTL="libintl.dylib"
2705         SQLITE="libsqlite.0.dylib"
2706         SQLITE3="libsqlite3.0.dylib"
2707         X11="libX11.dylib"
2708         ;;
2709      *-*-*netbsd*)
2710         LIBC="libc.so.12"
2711         INTL="libintl.so.0"
2712         ;;
2713     *-*-*freebsd*)
2714         LIBC="libc.so"
2715         INTL="libintl.so"
2716         SQLITE="libsqlite.so"
2717         SQLITE3="libsqlite3.so"
2718         ;;
2719     *-*-*openbsd*)
2720         LIBC="libc.so"
2721         INTL="libintl.so"
2722         SQLITE="libsqlite.so"
2723         SQLITE3="libsqlite3.so"
2724         ;;
2725     *-*-*linux*)
2726         AC_PATH_X
2727         AC_MSG_CHECKING(for the soname of libX11.so)
2728         for i in $x_libraries /usr/lib /usr/lib64; do
2729                 for r in 4 5 6; do
2730                         if test -f $i/libX11.so.$r; then
2731                                 X11=libX11.so.$r
2732                                 AC_MSG_RESULT($X11)
2733                         fi
2734                 done
2735         done
2736
2737         if test "x$X11" = "xlibX11.so"; then
2738                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2739                 X11=libX11.so.6
2740         fi
2741         ;;
2742 esac
2743
2744
2745 AC_SUBST(libsuffix)
2746
2747 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2748         if test "x$with_tls" = "x__thread"; then
2749                 #
2750                 # On some linux distributions, TLS works in executables, but linking
2751                 # against a shared library containing TLS fails with:
2752                 # undefined reference to `__tls_get_addr'
2753                 #
2754                 rm -f conftest.c conftest.so conftest
2755                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2756                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2757                 $CC -o conftest conftest.so > /dev/null 2>&1
2758                 if test ! -f conftest; then
2759                    AC_MSG_WARN([Disabling usage of __thread.]);
2760                    with_tls=pthread
2761                 fi
2762                 rm -f conftest.c conftest.so conftest
2763         fi
2764 fi
2765
2766 mono_debugger_supported=no
2767 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2768 if test "x$try_mono_debugger" = "xyes"; then
2769         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2770                 if test x$use_included_gc = xyes; then
2771                         case "$host" in
2772                         *-*-*linux*)
2773                                 mono_debugger_supported=yes
2774                                 ;;
2775                         *86-apple-darwin*)
2776                                 mono_debugger_supported=yes
2777                                 ;;
2778                         esac
2779                 fi
2780         fi
2781 fi
2782
2783 # disable the debugger entirely when building with moonlight
2784 if test "x$with_moonlight" != "xno"; then
2785         mono_debugger_supported=no
2786 fi
2787
2788 # mdb support for sgen is broken, disable it until further notice.
2789 mono_debugger_supported=no
2790
2791 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2792 if test "x$mono_debugger_supported" = "xyes"; then
2793         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2794         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2795 fi
2796 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2797 AC_MSG_RESULT($mono_debugger_supported)
2798
2799 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2800 if test "x$icall_symbol_map" = "xyes"; then
2801    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2802 fi
2803
2804 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2805 if test "x$icall_export" = "xyes"; then
2806    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2807 fi
2808
2809 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2810 if test "x$icall_tables" = "xno"; then
2811    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2812 fi
2813
2814 if test "x$mono_cv_clang" = "xyes"; then
2815    # FIXME: This causes many compilation errors
2816    with_tls=pthread
2817 fi
2818
2819 if test "x$with_tls" = "x__thread"; then
2820         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2821         # Pass the information to libgc
2822         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2823         AC_MSG_CHECKING(if the tls_model attribute is supported)
2824         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2825                 ], [
2826                         AC_MSG_RESULT(yes)
2827                         # CLANG doesn't support this yet, and it prints warnings about it
2828                         if test "x$mono_cv_clang" = "xno"; then
2829                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2830                         fi
2831                 ], [
2832                         AC_MSG_RESULT(no)
2833         ])
2834 fi
2835
2836 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2837         dnl ******************************************
2838         dnl *** Check to see what FPU is available ***
2839         dnl ******************************************
2840         AC_MSG_CHECKING(which FPU to use)
2841
2842         fpu=NONE
2843         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2844            fpu=VFP_HARD
2845         fi
2846
2847         if test x$fpu = xNONE; then
2848            ORIG_CFLAGS=$CFLAGS
2849            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2850            AC_TRY_RUN([
2851                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2852                                 ], fpu=VFP, fpu=NONE)
2853            CFLAGS=$ORIG_CFLAGS
2854         fi
2855
2856         if test x$fpu = xNONE; then
2857                 AC_TRY_COMPILE([], [
2858                         __asm__ ("ldfd f0, [r0]");
2859                         ], fpu=FPA, fpu=NONE)
2860         fi
2861
2862         AC_MSG_RESULT($fpu)
2863         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2864         unset fpu
2865
2866         AC_MSG_CHECKING(for ARMV6)
2867         AC_TRY_RUN([
2868                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2869                         ], armv6=yes, armv6=no)
2870
2871         AC_MSG_RESULT($armv6)
2872         if test ${armv6} = yes; then
2873            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2874            # libgc's gc_locks.h depends on this
2875            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2876         fi
2877 fi
2878
2879 if test ${TARGET} = unknown; then
2880         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2881         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2882 fi
2883
2884 if test ${ACCESS_UNALIGNED} = no; then
2885         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2886 fi
2887
2888 case "x$gc" in
2889         xincluded)
2890                 # Pass CPPFLAGS to libgc configure
2891                 # We should use a separate variable for this to avoid passing useless and
2892                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2893                 # This should be executed late so we pick up the final version of CPPFLAGS
2894                 # The problem with this approach, is that during a reconfigure, the main
2895                 # configure scripts gets invoked with these arguments, so we use separate
2896                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2897                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2898                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2899                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2900                 fi
2901                 # Don't pass -finstrument-for-thread-suspension in,
2902                 # if these are instrumented it will be very bad news
2903                 # (infinite recursion, undefined parking behavior, etc)
2904                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2905                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2906                 AC_CONFIG_SUBDIRS(libgc)
2907                 ;;
2908 esac
2909
2910 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2911 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2912 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2913 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2914 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2915 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2916
2917 OPROFILE=no
2918 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2919         if test x$with_oprofile != xno; then
2920             oprofile_include=$with_oprofile/include
2921             if test ! -f $oprofile_include/opagent.h; then
2922                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2923                 fi
2924             OPROFILE=yes
2925                 OPROFILE_CFLAGS="-I$oprofile_include"
2926             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2927             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2928         fi
2929 ])
2930
2931 MALLOC_MEMPOOLS=no
2932 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2933         if test x$with_malloc_mempools = xyes; then
2934                 MALLOC_MEMPOOLS=yes
2935                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2936         fi
2937 ])
2938
2939
2940 DISABLE_MCS_DOCS=no
2941 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2942         if test x$with_mcs_docs != xyes; then
2943                 DISABLE_MCS_DOCS=yes
2944         fi
2945 ])
2946 if test x$with_profile4 != xyes; then
2947         DISABLE_MCS_DOCS=yes
2948 fi
2949
2950 MOONLIGHT_DEFINES=
2951 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2952         if test x$with_moonlight != xno; then
2953         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2954         fi
2955 ], [with_moonlight=no])
2956 AC_SUBST(MOONLIGHT_DEFINES)
2957
2958 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2959         if test "x$with_moon_gc" != "xsgen"; then
2960                 with_moon_gc=boehm
2961         fi
2962 ], [with_moon_gc=boehm])
2963
2964 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)],[
2965         if test x$with_lazy_gc_thread_creation != xno ; then
2966                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2967         fi
2968 ], [with_lazy_gc_thread_creation=no])
2969
2970 AC_CHECK_HEADER([malloc.h],
2971                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2972                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2973
2974 if test x"$GCC" = xyes; then
2975         # Implicit function declarations are not 64 bit safe
2976         # Do this late, since this causes lots of configure tests to fail
2977         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2978         # jay has a lot of implicit declarations
2979         JAY_CFLAGS="-Wno-implicit-function-declaration"
2980 fi
2981
2982 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2983 # instead of libmono-static.a
2984 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
2985    LIBMONO_LA=libmini-static.la
2986 else
2987    LIBMONO_LA=libmono-$API_VER.la
2988 fi
2989 AC_SUBST(LIBMONO_LA)
2990
2991 dnl
2992 dnl Consistency settings
2993 dnl
2994 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2995    DISABLE_MCS_DOCS=yes
2996    with_profile2=no
2997    with_profile4=no
2998    with_profile4_5=no
2999    with_monodroid=no
3000    with_monotouch=no
3001 fi
3002
3003 if test x$DISABLE_MCS_DOCS = xyes; then
3004    docs_dir=""
3005 else
3006    docs_dir=docs
3007 fi
3008 AC_SUBST(docs_dir)
3009
3010 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3011 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3012
3013 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3014 AC_SUBST(OPROFILE_CFLAGS)
3015 AC_SUBST(OPROFILE_LIBS)
3016
3017 libmono_ldflags="$libmono_ldflags $LIBS"
3018
3019 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3020
3021 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3022 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3023 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3024
3025 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3026 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3027 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3028 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3029 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3030 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3031 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3032
3033 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3034 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3035 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3036 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3037 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3038 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3039 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3040 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3041 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3042 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3043 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3044 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3045 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3046 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3047 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3048 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3049 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3050 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3051 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3052 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3053
3054 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3055 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3056 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3057
3058 AC_SUBST(LIBC)
3059 AC_SUBST(INTL)
3060 AC_SUBST(SQLITE)
3061 AC_SUBST(SQLITE3)
3062 AC_SUBST(X11)
3063 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3064 AC_SUBST(arch_target)
3065 AC_SUBST(CFLAGS)
3066 AC_SUBST(CPPFLAGS)
3067 AC_SUBST(LDFLAGS)
3068
3069 mono_build_root=`pwd`
3070 AC_SUBST(mono_build_root)
3071
3072 if test x$USEJIT = xtrue; then
3073   mono_runtime=mono/mini/mono
3074 else
3075   mono_runtime=mono/interpreter/mint
3076 fi
3077 AC_SUBST(mono_runtime)
3078
3079 mono_cfg_root=$mono_build_root/runtime
3080 if test x$host_win32 = xyes; then
3081   if test "x$cross_compiling" = "xno"; then
3082     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3083   else
3084     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3085   fi
3086 else
3087   mono_cfg_dir=$mono_cfg_root/etc
3088 fi
3089 AC_SUBST(mono_cfg_dir)
3090
3091 AC_CONFIG_FILES([po/mcs/Makefile.in])
3092
3093 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3094 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3095
3096 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3097 [   depth=../../../..
3098     case $srcdir in
3099     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3100     .) reldir=$depth ;;
3101     *) reldir=$depth/$srcdir ;;
3102     esac
3103     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3104     cd runtime/etc/mono/1.0
3105     rm -f machine.config
3106     $LN_S $reldir/data/net_1_1/machine.config machine.config
3107     cd $depth
3108 ],[LN_S='$LN_S'])
3109
3110 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3111 [   depth=../../../..
3112     case $srcdir in
3113     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3114     .) reldir=$depth ;;
3115     *) reldir=$depth/$srcdir ;;
3116     esac
3117     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3118     cd runtime/etc/mono/2.0
3119     rm -f machine.config
3120     $LN_S $reldir/data/net_2_0/machine.config machine.config
3121     cd $depth
3122 ],[LN_S='$LN_S'])
3123
3124 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3125 [   depth=../../../..
3126     case $srcdir in
3127     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3128     .) reldir=$depth ;;
3129     *) reldir=$depth/$srcdir ;;
3130     esac
3131     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3132     cd runtime/etc/mono/2.0
3133     rm -f web.config
3134     $LN_S $reldir/data/net_2_0/web.config web.config
3135     cd $depth
3136 ],[LN_S='$LN_S'])
3137
3138 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3139 [   depth=../../..
3140     case $srcdir in
3141     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3142     .) reldir=$depth ;;
3143     *) reldir=$depth/$srcdir ;;
3144     esac
3145     $ac_aux_dir/install-sh -d runtime/etc/mono/
3146     cd runtime/etc/mono/
3147     rm -f browscap.ini
3148     $LN_S $reldir/data/browscap.ini browscap.ini
3149     cd $depth
3150 ],[LN_S='$LN_S'])
3151
3152 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3153 [   depth=../../../../..
3154     case $srcdir in
3155     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3156     .) reldir=$depth ;;
3157     *) reldir=$depth/$srcdir ;;
3158     esac
3159     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3160     cd runtime/etc/mono/2.0/Browsers
3161     rm -f Compat.browser
3162     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3163     cd $depth
3164 ],[LN_S='$LN_S'])
3165
3166 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3167 [   depth=../../../..
3168     case $srcdir in
3169     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3170     .) reldir=$depth ;;
3171     *) reldir=$depth/$srcdir ;;
3172     esac
3173     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3174     cd runtime/etc/mono/4.0
3175     rm -f machine.config
3176     $LN_S $reldir/data/net_4_0/machine.config machine.config
3177     cd $depth
3178 ],[LN_S='$LN_S'])
3179
3180 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3181 [   depth=../../../..
3182     case $srcdir in
3183     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3184     .) reldir=$depth ;;
3185     *) reldir=$depth/$srcdir ;;
3186     esac
3187     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3188     cd runtime/etc/mono/4.0
3189     rm -f web.config
3190     $LN_S $reldir/data/net_4_0/web.config web.config
3191     cd $depth
3192 ],[LN_S='$LN_S'])
3193
3194 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3195 [   depth=../../../..
3196     case $srcdir in
3197     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3198     .) reldir=$depth ;;
3199     *) reldir=$depth/$srcdir ;;
3200     esac
3201     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3202     cd runtime/etc/mono/4.5
3203     rm -f machine.config
3204     $LN_S $reldir/data/net_4_5/machine.config machine.config
3205     cd $depth
3206 ],[LN_S='$LN_S'])
3207
3208 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3209 [   depth=../../../..
3210     case $srcdir in
3211     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3212     .) reldir=$depth ;;
3213     *) reldir=$depth/$srcdir ;;
3214     esac
3215     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3216     cd runtime/etc/mono/4.5
3217     rm -f web.config
3218     $LN_S $reldir/data/net_4_5/web.config web.config
3219     cd $depth
3220 ],[LN_S='$LN_S'])
3221
3222 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])
3223
3224 AC_OUTPUT([
3225 Makefile
3226 mono-core.spec
3227 mono-uninstalled.pc
3228 scripts/mono-find-provides
3229 scripts/mono-find-requires
3230 mono/Makefile
3231 mono/utils/Makefile
3232 mono/metadata/Makefile
3233 mono/dis/Makefile
3234 mono/cil/Makefile
3235 mono/arch/Makefile
3236 mono/arch/x86/Makefile
3237 mono/arch/amd64/Makefile
3238 mono/arch/hppa/Makefile
3239 mono/arch/ppc/Makefile
3240 mono/arch/sparc/Makefile
3241 mono/arch/s390/Makefile
3242 mono/arch/s390x/Makefile
3243 mono/arch/arm/Makefile
3244 mono/arch/alpha/Makefile
3245 mono/arch/ia64/Makefile
3246 mono/arch/mips/Makefile
3247 mono/interpreter/Makefile
3248 mono/tests/Makefile
3249 mono/tests/tests-config
3250 mono/tests/assemblyresolve/Makefile
3251 mono/tests/cas/Makefile
3252 mono/tests/cas/assembly/Makefile
3253 mono/tests/cas/demand/Makefile
3254 mono/tests/cas/inheritance/Makefile
3255 mono/tests/cas/linkdemand/Makefile
3256 mono/tests/cas/threads/Makefile
3257 mono/benchmark/Makefile
3258 mono/monograph/Makefile
3259 mono/io-layer/Makefile
3260 mono/mini/Makefile
3261 mono/profiler/Makefile
3262 m4/Makefile
3263 ikvm-native/Makefile
3264 scripts/Makefile
3265 man/Makefile
3266 docs/Makefile
3267 data/Makefile
3268 data/net_2_0/Makefile
3269 data/net_4_0/Makefile
3270 data/net_4_5/Makefile
3271 data/net_2_0/Browsers/Makefile
3272 data/mint.pc
3273 data/mono-2.pc
3274 data/monosgen-2.pc
3275 data/mono.pc
3276 data/mono-cairo.pc
3277 data/mono-nunit.pc
3278 data/mono-options.pc
3279 data/mono-lineeditor.pc
3280 data/monodoc.pc
3281 data/mono.web.pc
3282 data/dotnet.pc
3283 data/dotnet35.pc
3284 data/wcf.pc
3285 data/cecil.pc
3286 data/system.web.extensions_1.0.pc
3287 data/system.web.extensions.design_1.0.pc
3288 data/system.web.mvc.pc
3289 data/system.web.mvc2.pc
3290 data/system.web.mvc3.pc
3291 data/aspnetwebstack.pc
3292 data/reactive.pc
3293 samples/Makefile
3294 support/Makefile
3295 data/config
3296 tools/Makefile
3297 tools/locale-builder/Makefile
3298 tools/sgen/Makefile
3299 runtime/Makefile
3300 msvc/Makefile
3301 po/Makefile
3302 ])
3303
3304 # Update all submodules recursively to ensure everything is checked out
3305 $srcdir/scripts/update_submodules
3306
3307 if test x$host_win32 = xyes; then
3308    # Get rid of 'cyg' prefixes in library names
3309    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3310    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3311    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3312    # executable doesn't work...
3313    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3314 fi
3315
3316 (
3317   case $prefix in
3318   NONE) prefix=$ac_default_prefix ;;
3319   esac
3320   case $exec_prefix in
3321   NONE) exec_prefix='${prefix}' ;;
3322   esac
3323
3324   #
3325   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3326   # any existing config.make.  This allows people to share the same source tree
3327   # with different build directories, one native and one cross
3328   #
3329   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3330
3331     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3332
3333     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3334     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3335     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3336     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3337     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3338     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3339     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3340     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3341
3342     case $INSTALL in
3343     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3344     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3345     esac
3346
3347     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3348
3349     export VERSION
3350     [myver=$($AWK 'BEGIN {
3351       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3352       if(length(vsplit [1]) > 4) {
3353         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3354       }
3355       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3356     }')]
3357
3358     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3359
3360     if test x$platform_darwin = xyes; then
3361       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3362     fi
3363
3364         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3365            enable_system_aot=yes
3366         fi
3367
3368         if test "x$enable_loadedllvm" = "xyes"; then
3369            # This seems to fail on the x86 buildbots
3370            enable_system_aot=no
3371         fi
3372
3373     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3374       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3375     fi
3376
3377     if test x$DISABLE_MCS_DOCS = xyes; then
3378       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3379     fi
3380
3381     if test x$with_moonlight != xno; then
3382       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3383     fi
3384
3385     if test x$has_extension_module != xno; then
3386         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3387     fi
3388
3389         default_profile=net_2_0
3390     if test -z "$INSTALL_4_0_TRUE"; then :
3391                 default_profile=net_4_0
3392     fi
3393     if test -z "$INSTALL_MONODROID_TRUE"; then :
3394                 default_profile=monodroid
3395     fi
3396     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3397                 default_profile=monotouch
3398     fi
3399     if test -z "$INSTALL_4_5_TRUE"; then :
3400                 default_profile=net_4_5
3401     fi
3402
3403     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3404
3405     if test "x$test_bcl_opt" = "xyes"; then
3406       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3407     fi
3408
3409   fi
3410
3411   # if we have an olive folder, override the default settings
3412   if test -d $olivedir; then
3413
3414     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3415
3416       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3417
3418       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3419       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3420       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3421       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3422       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3423       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3424     fi
3425   fi
3426
3427 )
3428
3429 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3430
3431 echo "
3432         mcs source:    $mcsdir
3433
3434    Engine:
3435         GC:            $gc_msg
3436         TLS:           $with_tls
3437         SIGALTSTACK:   $with_sigaltstack
3438         Engine:        $jit_status
3439         oprofile:      $OPROFILE
3440         BigArrays:     $enable_big_arrays
3441         DTrace:        $enable_dtrace
3442         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3443
3444    Libraries:
3445         .NET 2.0/3.5:  $with_profile2
3446         .NET 4.0:      $with_profile4
3447         .NET 4.5:      $with_profile4_5
3448         MonoDroid:     $with_monodroid
3449         MonoTouch:     $with_monotouch
3450         JNI support:   $jdk_headers_found
3451         libgdiplus:    $libgdiplus_msg
3452         zlib:          $zlib_msg
3453         $disabled
3454 "
3455 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3456    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3457 fi