configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3
   4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
   5 # The extra brackets are to foil regex-based scans.
   6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
   7
   8 AM_CONFIG_HEADER(config.h)
   9 AM_INIT_AUTOMAKE(mono,2.8.1)
  10 AM_MAINTAINER_MODE
  11
  12 API_VER=2.0
  13 AC_SUBST(API_VER)
  14
  15 AC_PROG_LN_S
  16
  17 # In case of cygwin, override LN_S, irrespective of what it determines.
  18 # The build uses cygwin, but the actual runtime doesn't.
  19 case $host_os in
  20 *cygwin* ) LN_S='cp -p';;
  21 esac
  22
  23 dnl
  24 dnl libgc checks
  25 dnl
  26
  27 gc_headers=no
  28 gc=included
  29 gc_msg="included Boehm"
  30 use_included_gc=no
  31 libgc_configure_args=
  32
  33 if test -d $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  40 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  41 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  42 CFLAGS_FOR_LIBGC=$CFLAGS
  43 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  44 CFLAGS_FOR_EGLIB=$CFLAGS
  45
  46 #
  47 # These are the flags that need to be stored in the mono.pc file for
  48 # compiling code that will embed Mono
  49 #
  50 libmono_cflags=""
  51 libmono_ldflags=""
  52 AC_SUBST(libmono_cflags)
  53 AC_SUBST(libmono_ldflags)
  54
  55 # Variable to have relocatable .pc files (lib, or lib64)
  56 reloc_libdir=`basename ${libdir}`
  57 AC_SUBST(reloc_libdir)
  58
  59 dnl if linker handles the version script
  60 no_version_script=no
  61
  62 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  63 need_link_unlink=no
  64
  65 # Thread configuration inspired by sleepycat's db
  66 AC_MSG_CHECKING([host platform characteristics])
  67 libgc_threads=no
  68 has_dtrace=no
  69 parallel_mark=yes
  70 ikvm_native=yes
  71
  72 case "$host" in
  73         powerpc*-*-linux*)
  74                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  75                 disable_munmap=yes
  76         ;;
  77 esac
  78
  79 host_win32=no
  80 target_win32=no
  81 case "$host" in
  82         *-mingw*|*-*-cygwin*)
  83                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  84                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  85                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  86                 host_win32=yes
  87                 if test "x$cross_compiling" = "xno"; then
  88                         target_win32=yes
  89                         if test "x$host" == "x$target"; then
  90                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
  91                         fi
  92                         CC="gcc -mno-cygwin -g"
  93                         CXX="g++ -mno-cygwin -g"
  94                         # So libgc configure gets -mno-cygwin
  95                         export CC
  96                         export CXX
  97                 else
  98                         target_win32=yes
  99                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 100                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 101                 fi
 102                 HOST_CC="gcc"
 103                 # Windows 2000 is required that includes Internet Explorer 5.01
 104                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 105                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 106                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 107                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 108                 libdl=
 109                 libgc_threads=win32
 110                 gc_default=included
 111                 with_sigaltstack=no
 112                 LN_S=cp
 113                 # This forces libgc to use the DllMain based thread registration code on win32
 114                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 115                 ;;
 116         *-*-*netbsd*)
 117                 host_win32=no
 118                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 119                 libmono_cflags="-D_REENTRANT"
 120                 LDFLAGS="$LDFLAGS -pthread"
 121                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 122                 libmono_ldflags="-pthread"
 123                 need_link_unlink=yes
 124                 libdl="-ldl"
 125                 libgc_threads=pthreads
 126                 with_sigaltstack=no
 127                 use_sigposix=yes
 128                 ;;
 129         *-*-*freebsd*)
 130                 host_win32=no
 131                 if test "x$PTHREAD_CFLAGS" = "x"; then
 132                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 133                         libmono_cflags=
 134                 else
 135                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 136                         libmono_cflags="$PTHREAD_CFLAGS"
 137                 fi
 138                 if test "x$PTHREAD_LIBS" = "x"; then
 139                         LDFLAGS="$LDFLAGS -pthread"
 140                         libmono_ldflags="-pthread"
 141                 else
 142                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 143                         libmono_ldflags="$PTHREAD_LIBS"
 144                 fi
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 need_link_unlink=yes
 147                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 148                 libdl=
 149                 libgc_threads=pthreads
 150                 # This doesn't seem to work as of 7.0 on amd64
 151                 with_sigaltstack=no
 152 # TLS is only partially implemented on -CURRENT (compiler support
 153 # but NOT library support)
 154 #
 155                 with_tls=pthread
 156                 use_sigposix=yes
 157                 ;;
 158         *-*-*openbsd*)
 159                 host_win32=no
 160                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 161                 if test "x$disable_munmap" != "xyes"; then
 162                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 163                 fi
 164                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 165                 LDFLAGS="$LDFLAGS -pthread"
 166                 need_link_unlink=yes
 167                 AC_DEFINE(PTHREAD_POINTER_ID)
 168                 libdl=
 169                 gc_default=boehm
 170                 libgc_threads=pthreads
 171                 with_sigaltstack=no
 172                 use_sigposix=yes
 173                 ;;
 174         *-*-linux*)
 175                 host_win32=no
 176                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 177                 if test "x$disable_munmap" != "xyes"; then
 178                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 179                 fi
 180                 libmono_cflags="-D_REENTRANT"
 181                 libdl="-ldl"
 182                 libgc_threads=pthreads
 183                 use_sigposix=yes
 184                 ;;
 185         *-*-nacl*)
 186                 host_win32=no
 187                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 188                 if test "x$disable_munmap" != "xyes"; then
 189                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 190                 fi
 191                 libmono_cflags="-D_REENTRANT"
 192                 libdl=
 193                 libgc_threads=pthreads
 194                 gc_default=boehm
 195                 use_sigposix=yes
 196                 ikvm_native=no
 197                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 198                 ;;
 199         *-*-hpux*)
 200                 host_win32=no
 201                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 202                 # +ESdbgasm only valid on bundled cc on RISC
 203                 # silently ignored for ia64
 204                 if test $GCC != "yes"; then
 205                         CFLAGS="$CFLAGS +ESdbgasm"
 206                         # Arrange for run-time dereferencing of null
 207                         # pointers to produce a SIGSEGV signal.
 208                         LDFLAGS="$LDFLAGS -z"
 209                 fi
 210                 CFLAGS="$CFLAGS +ESdbgasm"
 211                 LDFLAGS="$LDFLAGS -z"
 212                 libmono_cflags="-D_REENTRANT"
 213                 libmono_ldflags="-lpthread"
 214                 libgc_threads=pthreads
 215                 need_link_unlink=yes
 216                 use_sigposix=yes
 217                 ;;
 218         *-*-solaris*)
 219                 host_win32=no
 220                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 221                 need_link_unlink=yes
 222                 libmono_cflags="-D_REENTRANT"
 223                 libgc_threads=pthreads
 224                 # This doesn't seem to work on solaris/x86, but the configure test runs
 225                 with_tls=pthread
 226                 has_dtrace=yes
 227                 use_sigposix=yes
 228                 enable_solaris_tar_check=yes
 229                 ;;
 230         *-*-darwin*)
 231                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 232                 host_win32=no
 233                 platform_darwin=yes
 234                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 235                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 236                 libmono_cflags="-D_THREAD_SAFE"
 237                 LDFLAGS="$LDFLAGS -pthread"
 238                 libmono_ldflags="-pthread"
 239                 need_link_unlink=yes
 240                 AC_DEFINE(PTHREAD_POINTER_ID)
 241                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 242                 no_version_script=yes
 243                 libdl=
 244                 libgc_threads=pthreads
 245                 has_dtrace=yes
 246                 if test "x$cross_compiling" = "xyes"; then
 247                         has_broken_apple_cpp=yes
 248                 fi
 249                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin10.0.0, but
 250                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 251                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 252                 case "$host" in
 253                         dnl Snow Leopard config.guess reports as this
 254                         i*86-*-darwin10*)
 255                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
 256                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 257                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 258                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 259                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 260                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 261                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 262                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 263                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 264                                 ;;
 265                 esac
 266                 ;;
 267         *-*-haiku*)
 268                 host_win32=no
 269                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 270                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 271                 libdl=
 272                 LIBS="$LIBS -lnetwork"
 273                 need_link_unlink=yes
 274                 AC_DEFINE(PTHREAD_POINTER_ID)
 275                 libgc_threads=pthreads
 276                 use_sigposix=yes
 277                 ;;
 278         *)
 279                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 280                 host_win32=no
 281                 libdl="-ldl"
 282                 ;;
 283 esac
 284 AC_MSG_RESULT(ok)
 285
 286 if test x$need_link_unlink = xyes; then
 287    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 288 fi
 289
 290 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 291 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 292 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 293 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 294 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 295
 296 AC_CHECK_TOOL(CC, gcc, gcc)
 297 AC_PROG_CC
 298 AC_CHECK_TOOL(CXX, g++, g++)
 299 AC_PROG_CXX
 300 AM_PROG_AS
 301 AM_PROG_CC_STDC
 302 AC_PROG_INSTALL
 303 AC_PROG_AWK
 304 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 305 : ${CCAS='$(CC)'}
 306 # Set ASFLAGS if not already set.
 307 : ${CCASFLAGS='$(CFLAGS)'}
 308 AC_SUBST(CCAS)
 309 AC_SUBST(CCASFLAGS)
 310
 311 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 312 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 313 if test "x$CXX" = "xg++"; then
 314         if test "x$GXX" != "xyes"; then
 315                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 316                 # are inside automake conditionals
 317                 AC_MSG_ERROR([You need to install g++])
 318         fi
 319 fi
 320
 321 AC_CHECK_PROG(BISON, bison,yes,no)
 322 if test "x$BISON" = "xno";
 323 then
 324         AC_MSG_ERROR([You need to install bison])
 325 fi
 326
 327 dnl may require a specific autoconf version
 328 dnl AC_PROG_CC_FOR_BUILD
 329 dnl CC_FOR_BUILD not automatically detected
 330 CC_FOR_BUILD=$CC
 331 CFLAGS_FOR_BUILD=$CFLAGS
 332 BUILD_EXEEXT=
 333 if test "x$cross_compiling" = "xyes"; then
 334         CC_FOR_BUILD=cc
 335         CFLAGS_FOR_BUILD=
 336         BUILD_EXEEXT=""
 337 fi
 338 AC_SUBST(CC_FOR_BUILD)
 339 AC_SUBST(CFLAGS_FOR_BUILD)
 340 AC_SUBST(HOST_CC)
 341 AC_SUBST(BUILD_EXEEXT)
 342
 343 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 344 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 345
 346 # Set STDC_HEADERS
 347 AC_HEADER_STDC
 348 AC_LIBTOOL_WIN32_DLL
 349 # This causes monodis to not link correctly
 350 #AC_DISABLE_FAST_INSTALL
 351 AM_PROG_LIBTOOL
 352 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 353 DOLT
 354
 355 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 356 AC_SUBST(export_ldflags)
 357
 358 # Test whenever ld supports -version-script
 359 AC_PROG_LD
 360 AC_PROG_LD_GNU
 361 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 362    no_version_script=yes
 363 fi
 364
 365 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 366
 367 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)
 368 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)
 369
 370 AC_CHECK_HEADERS(sys/user.h, [], [],
 371 [
 372 #ifdef HAVE_SYS_PARAM_H
 373 # include <sys/param.h>
 374 #endif
 375 ])
 376
 377 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 378 if test x$have_zlib = xyes; then
 379    AC_TRY_COMPILE([#include <zlib.h>], [
 380    void main () {
 381    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 382    }
 383    #else
 384    #error No good zlib found
 385    #endif
 386    ],[
 387         AC_MSG_RESULT(Using system zlib)
 388         zlib_msg="system zlib"
 389    ],[
 390         AC_MSG_RESULT(Using embedded zlib)
 391         have_zlib=no
 392         zlib_msg="bundled zlib"
 393    ])
 394 fi
 395
 396 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 397 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 398
 399 # for mono/metadata/debug-symfile.c
 400 AC_CHECK_HEADERS(elf.h)
 401
 402 # for support
 403 AC_CHECK_HEADERS(poll.h)
 404 AC_CHECK_HEADERS(sys/poll.h)
 405 AC_CHECK_HEADERS(sys/wait.h)
 406 AC_CHECK_HEADERS(grp.h)
 407 AC_CHECK_HEADERS(syslog.h)
 408
 409 # for mono/dis
 410 AC_CHECK_HEADERS(wchar.h)
 411 AC_CHECK_HEADERS(ieeefp.h)
 412 AC_MSG_CHECKING(for isinf)
 413 AC_TRY_LINK([#include <math.h>], [
 414         int f = isinf (1);
 415 ], [
 416         AC_MSG_RESULT(yes)
 417         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 418 ], [
 419         # We'll have to use signals
 420         AC_MSG_RESULT(no)
 421 ])
 422
 423
 424 # not 64 bit clean in cross-compile
 425 AC_CHECK_SIZEOF(void *, 4)
 426
 427 WARN=''
 428 if test x"$GCC" = xyes; then
 429         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
 430                 # The runtime code does not respect ANSI C strict aliasing rules
 431                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 432
 433                 ORIG_CFLAGS=$CFLAGS
 434                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 435                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 436                 AC_TRY_COMPILE([], [
 437                                                    void main () { }
 438                 ], [
 439                    AC_MSG_RESULT(yes)
 440                 ], [
 441                    AC_MSG_RESULT(no)
 442                    CFLAGS=$ORIG_CFLAGS
 443                 ])
 444 else
 445         # The Sun Forte compiler complains about inline functions that access static variables
 446         # so disable all inlining.
 447         case "$host" in
 448         *-*-solaris*)
 449                 CFLAGS="$CFLAGS -Dinline="
 450                 ;;
 451         esac
 452 fi
 453 CFLAGS="$CFLAGS -g $WARN"
 454 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 455
 456 # Where's the 'mcs' source tree?
 457 if test -d $srcdir/mcs; then
 458   mcsdir=mcs
 459 else
 460   mcsdir=../mcs
 461 fi
 462
 463 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 464         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 465                 mcsdir=$with_mcs_path
 466         fi
 467 )
 468
 469 #
 470 # A sanity check to catch cases where the package was unpacked
 471 # with an ancient tar program (Solaris)
 472 #
 473 AC_ARG_ENABLE(solaris-tar-check,
 474 [  --disable-solaris-tar-check    disable solaris tar check],
 475    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 476
 477 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 478         AC_MSG_CHECKING(integrity of package)
 479         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 480         then
 481                 AC_MSG_RESULT(ok)
 482         else
 483                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 484                 AC_MSG_ERROR([$errorm])
 485         fi
 486 fi
 487
 488 if test "x$with_mcs_path" != "x"; then
 489 mcs_topdir=$(cd "$mcsdir" && pwd)
 490 mcs_topdir_from_srcdir=$mcs_topdir
 491 else
 492 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 493 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 494 fi
 495
 496 # Convert mcs_topdir* paths to Windows syntax.
 497 if test x$cross_compiling$host_win32 = xnoyes; then
 498   mcs_topdir=$(cygpath -m $mcs_topdir)
 499   case $mcs_topdir_from_srcdir in
 500     /cygdrive/*)
 501         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 502         ;;
 503   esac
 504 fi
 505
 506 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 507 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 508
 509 AC_SUBST([mcs_topdir])
 510 AC_SUBST([mcs_topdir_from_srcdir])
 511
 512 # Where's the 'olive' source tree?
 513 if test -d $srcdir/olive; then
 514   olivedir=olive
 515 else
 516   olivedir=../olive
 517 fi
 518
 519 if test -d $srcdir/$olivedir; then
 520 olive_topdir='$(top_srcdir)/'$olivedir
 521 fi
 522
 523 # gettext: prepare the translation directories.
 524 # we do not configure the full gettext, as we consume it dynamically from C#
 525 AM_PO_SUBDIRS
 526
 527 if test "x$USE_NLS" = "xyes"; then
 528    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 529
 530    if test "x$HAVE_MSGFMT" = "xno"; then
 531           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 532    fi
 533 fi
 534
 535 AC_ARG_WITH([libgdiplus],
 536         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 537         [], [with_libgdiplus=installed])
 538
 539 case $with_libgdiplus in
 540 no|installed) libgdiplus_loc= ;;
 541 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 542 /*) libgdiplus_loc=$with_libgdiplus ;;
 543 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 544 esac
 545 AC_SUBST([libgdiplus_loc])
 546
 547 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 548
 549 pkg_config_path=
 550 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 551         if test x$with_crosspkgdir = "x"; then
 552                 if test -s $PKG_CONFIG_PATH; then
 553                         pkg_config_path=$PKG_CONFIG_PATH
 554                 fi
 555         else
 556                 pkg_config_path=$with_crosspkgdir
 557                 PKG_CONFIG_PATH=$pkg_config_path
 558                 export PKG_CONFIG_PATH
 559         fi
 560 )
 561
 562 AC_ARG_WITH([glib],
 563         [  --with-glib=embedded|system    Choose glib API: system or embedded (default to embedded)],
 564         [], [with_glib=embedded])
 565
 566 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 567 AC_CONFIG_SUBDIRS(eglib)
 568
 569 case $with_glib in
 570 embedded)
 571   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 572   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 573   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 574   BUILD_GLIB_LIBS="$GLIB_LIBS"
 575   GMODULE_CFLAGS="$GLIB_CFLAGS"
 576   GMODULE_LIBS="$GLIB_LIBS"
 577   ;;
 578 system)
 579   AC_MSG_ERROR([--with-glib=system is no longer supported as of Mono 2.8])
 580   ;;
 581 *)
 582   AC_MSG_ERROR([Invalid argument to --with-glib.])
 583 esac
 584
 585 AC_SUBST(GLIB_CFLAGS)
 586 AC_SUBST(GLIB_LIBS)
 587 AC_SUBST(GMODULE_CFLAGS)
 588 AC_SUBST(GMODULE_LIBS)
 589 AC_SUBST(BUILD_GLIB_CFLAGS)
 590 AC_SUBST(BUILD_GLIB_LIBS)
 591
 592 if test x$cross_compiling$host_win32 = xnoyes; then
 593    AC_MSG_CHECKING(for cygwin glib2-dev package)
 594    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 595       AC_MSG_RESULT(found)
 596           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 597    else
 598       AC_MSG_RESULT(not found, ok)
 599    fi
 600
 601    AC_MSG_CHECKING(for broken gwin32.h)
 602    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 603    if test -f $glib_include/glib/gwin32.h; then
 604           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 605                  AC_MSG_RESULT(failed)
 606                  hashmark='#'
 607                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 608           fi
 609    fi
 610    AC_MSG_RESULT(ok)
 611 fi
 612
 613 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 614
 615 # Enable support for fast thread-local storage
 616 # Some systems have broken support, so we allow to disable it.
 617 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 618
 619 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 620 # This does not work on some platforms (bug #55253)
 621 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 622
 623 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 624 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 625
 626 if test "x$enable_static" = "xno"; then
 627    with_static_mono=no
 628 fi
 629
 630 if test "x$enable_shared" = "xno"; then
 631    with_shared_mono=no
 632 fi
 633
 634 if test "x$host_win32" = "xyes"; then
 635    # Boehm GC requires the runtime to be in its own dll
 636    with_static_mono=no
 637 fi
 638
 639 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 640 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 641 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 642
 643 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 644 if test "x$with_xen_opt" = "xyes"; then
 645         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 646         ORIG_CFLAGS=$CFLAGS
 647         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 648         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 649         AC_TRY_COMPILE([], [
 650                                            void main () { }
 651         ], [
 652            AC_MSG_RESULT(yes)
 653            # Pass it to libgc as well
 654            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 655         ], [
 656            AC_MSG_RESULT(no)
 657            CFLAGS=$ORIG_CFLAGS
 658         ])
 659 fi
 660
 661 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
 662 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 663
 664 if test x$enable_small_config = xyes; then
 665         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 666         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 667 fi
 668
 669 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=$enableval, enable_system_aot=default)
 670
 671 DISABLED_FEATURES=none
 672
 673 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 674      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 675      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping.],
 676 [
 677         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 678                 eval "mono_feature_disable_$feature='yes'"
 679         done
 680         DISABLED_FEATURES=$enable_minimal
 681         disabled="Disabled:    $enable_minimal"
 682 ],[])
 683
 684 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 685
 686 if test "x$mono_feature_disable_aot" = "xyes"; then
 687         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 688         AC_MSG_NOTICE([Disabled AOT compiler])
 689 fi
 690
 691 if test "x$mono_feature_disable_profiler" = "xyes"; then
 692         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 693         AC_MSG_NOTICE([Disabled support for the profiler])
 694 fi
 695 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 696
 697 if test "x$mono_feature_disable_decimal" = "xyes"; then
 698         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 699         AC_MSG_NOTICE([Disabled support for decimal])
 700 fi
 701
 702 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 703         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 704         AC_MSG_NOTICE([Disabled support for P/Invoke])
 705 fi
 706
 707 if test "x$mono_feature_disable_debug" = "xyes"; then
 708         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 709         AC_MSG_NOTICE([Disabled support for runtime debugging])
 710 fi
 711
 712 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 713         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 714         mono_feature_disable_reflection_emit_save=yes
 715         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 716 fi
 717
 718 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 719         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 720         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 721 fi
 722
 723 if test "x$mono_feature_disable_large_code" = "xyes"; then
 724         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 725         AC_MSG_NOTICE([Disabled support for large assemblies])
 726 fi
 727
 728 if test "x$mono_feature_disable_logging" = "xyes"; then
 729         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 730         AC_MSG_NOTICE([Disabled support for logging])
 731 fi
 732
 733 if test "x$mono_feature_disable_com" = "xyes"; then
 734         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 735         AC_MSG_NOTICE([Disabled COM support])
 736 fi
 737
 738 if test "x$mono_feature_disable_ssa" = "xyes"; then
 739         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 740         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 741 fi
 742
 743 if test "x$mono_feature_disable_generics" = "xyes"; then
 744         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 745         AC_MSG_NOTICE([Disabled Generics Support])
 746 fi
 747
 748 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 749         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 750         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 751 fi
 752
 753 if test "x$mono_feature_disable_portability" = "xyes"; then
 754         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 755         AC_MSG_NOTICE([Disabled IO Portability layer])
 756 fi
 757
 758 if test "x$mono_feature_disable_attach" = "xyes"; then
 759         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 760         AC_MSG_NOTICE([Disabled agent attach])
 761 fi
 762
 763 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 764         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 765         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 766 fi
 767
 768 if test "x$mono_feature_disable_verifier" = "xyes"; then
 769         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 770         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 771 fi
 772
 773 if test "x$mono_feature_disable_jit" = "xyes"; then
 774         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 775         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 776 fi
 777
 778 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 779
 780 if test "x$mono_feature_disable_simd" = "xyes"; then
 781         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 782         AC_MSG_NOTICE([Disabled SIMD support])
 783 fi
 784
 785 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 786         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 787         AC_MSG_NOTICE([Disabled Soft Debugger.])
 788 fi
 789
 790 if test "x$mono_feature_disable_normalization" = "xyes"; then
 791         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 792         AC_MSG_NOTICE([Disabled String normalization support.])
 793 fi
 794
 795 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 796         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 797         AC_MSG_NOTICE([Disabled Assembly remapping.])
 798 fi
 799
 800 AC_MSG_CHECKING(for visibility __attribute__)
 801 AC_TRY_COMPILE([], [
 802    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 803    void main () { doit (); }
 804 ], [
 805    have_visibility_hidden=yes
 806    AC_MSG_RESULT(yes)
 807 ], [
 808    have_visibility_hidden=no
 809    AC_MSG_RESULT(no)
 810 ])
 811
 812 AC_MSG_CHECKING(for deprecated __attribute__)
 813 AC_TRY_COMPILE([
 814      int doit (void) __attribute__ ((deprecated));
 815      int doit (void) { return 0; }
 816 ], [
 817         return 0;
 818 ], [
 819    have_deprecated=yes
 820    AC_MSG_RESULT(yes)
 821 ], [
 822    have_deprecated=no
 823    AC_MSG_RESULT(no)
 824 ])
 825
 826 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 827 if test x$enable_parallel_mark = xyes; then
 828         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 829 fi
 830
 831 dnl
 832 dnl Boehm GC configuration
 833 dnl
 834 LIBGC_CFLAGS=
 835 LIBGC_LIBS=
 836 LIBGC_STATIC_LIBS=
 837 libgc_dir=
 838 case "x$gc" in
 839         xboehm|xbohem|xyes)
 840                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 841                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 842
 843                 if test "x$found_boehm" != "xyes"; then
 844                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 845                 fi
 846                 if test "x$gc_headers" != "xyes"; then
 847                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 848                 fi
 849
 850                 LIBGC_LIBS="-lgc $libdl"
 851                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 852                 libmono_ldflags="$libmono_ldflags -lgc"
 853                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 854
 855                 # AC_CHECK_FUNCS does not work for some reason...
 856                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 857                 if test "x$found_gcj_malloc" = "xyes"; then
 858                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 859                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 860                         gc_msg="System Boehm with typed GC"
 861                 else
 862                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 863                         gc_msg="System Boehm (without typed GC)"
 864                 fi
 865                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 866                 if test "x$found_gc_enable" = "xyes"; then
 867                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 868                 fi
 869                 ;;
 870
 871         xincluded)
 872                 use_included_gc=yes
 873                 libgc_dir=libgc
 874
 875                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 876                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 877                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 878
 879                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
 880
 881                 gc_msg="bundled Boehm GC with typed GC"
 882                 if test x$enable_parallel_mark = xyes; then
 883                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 884                         gc_msg="$gc_msg and parallel mark"
 885                 else
 886                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 887                 fi
 888                 ;;
 889
 890         xsgen)
 891                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
 892                 ;;
 893
 894         xnone)
 895                 AC_MSG_WARN("Compiling mono without GC.")
 896                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
 897                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 898                 ;;
 899         *)
 900                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 901                 ;;
 902 esac
 903
 904 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
 905 if test "x$large_heap" = "xyes"; then
 906    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 907 fi
 908
 909 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 910 AC_SUBST(LIBGC_CFLAGS)
 911 AC_SUBST(LIBGC_LIBS)
 912 AC_SUBST(LIBGC_STATIC_LIBS)
 913 AC_SUBST(libgc_dir)
 914 AC_SUBST(BOEHM_DEFINES)
 915
 916 dnl
 917 dnl End of libgc checks
 918 dnl
 919
 920 dnl *************************************
 921 dnl *** Checks for zero length arrays ***
 922 dnl *************************************
 923 AC_MSG_CHECKING(whether $CC supports zero length arrays)
 924 AC_TRY_COMPILE([
 925         struct s {
 926                 int  length;
 927                 char data [0];
 928         };
 929 ], [], [
 930         AC_MSG_RESULT(yes)
 931         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
 932 ], [
 933         AC_MSG_RESULT(no)
 934         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
 935 ])
 936
 937 if test x$target_win32 = xno; then
 938
 939         dnl hires monotonic clock support
 940         AC_SEARCH_LIBS(clock_gettime, rt)
 941
 942         dnl dynamic loader support
 943         AC_CHECK_FUNC(dlopen, DL_LIB="",
 944                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 945         )
 946         if test x$dl_support = xno; then
 947                 AC_MSG_WARN([No dynamic loading support available])
 948         else
 949                 LIBS="$LIBS $DL_LIB"
 950                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 951                 dnl from glib's configure.in
 952                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 953                         mono_cv_uscore,[
 954                         AC_TRY_RUN([#include <dlfcn.h>
 955                         int mono_underscore_test (void) { return 42; }
 956                         int main() {
 957                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 958                           handle = dlopen ((void*)0, 0);
 959                           if (handle) {
 960                             f1 = dlsym (handle, "mono_underscore_test");
 961                             f2 = dlsym (handle, "_mono_underscore_test");
 962                           } return (!f2 || f1);
 963                         }],
 964                                 [mono_cv_uscore=yes],
 965                                 [mono_cv_uscore=no],
 966                         [])
 967                 ])
 968                 if test "x$mono_cv_uscore" = "xyes"; then
 969                         MONO_DL_NEED_USCORE=1
 970                 else
 971                         MONO_DL_NEED_USCORE=0
 972                 fi
 973                 AC_SUBST(MONO_DL_NEED_USCORE)
 974                 AC_CHECK_FUNC(dlerror)
 975         fi
 976
 977         dnl ******************************************************************
 978         dnl *** Checks for the IKVM JNI interface library                  ***
 979         dnl ******************************************************************
 980         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])
 981
 982         ikvm_native_dir=
 983         if test x$with_ikvm_native = xyes; then
 984                 ikvm_native_dir=ikvm-native
 985                 jdk_headers_found="IKVM Native"
 986         fi
 987
 988         AC_SUBST(ikvm_native_dir)
 989
 990         AC_CHECK_HEADERS(execinfo.h)
 991
 992         AC_CHECK_FUNCS(getgrgid_r)
 993         AC_CHECK_FUNCS(getgrnam_r)
 994         AC_CHECK_FUNCS(getpwnam_r)
 995         AC_CHECK_FUNCS(getpwuid_r)
 996         AC_CHECK_FUNCS(getresuid)
 997         AC_CHECK_FUNCS(setresuid)
 998         AC_CHECK_FUNCS(kqueue)
 999         AC_CHECK_FUNCS(backtrace_symbols)
1000         AC_CHECK_FUNCS(mkstemp)
1001         AC_CHECK_FUNCS(mmap)
1002         AC_CHECK_FUNCS(madvise)
1003         AC_CHECK_FUNCS(getrusage)
1004         AC_CHECK_FUNCS(getpriority)
1005         AC_CHECK_FUNCS(setpriority)
1006         AC_CHECK_FUNCS(dl_iterate_phdr)
1007         AC_CHECK_FUNCS(sysconf)
1008
1009         AC_CHECK_FUNCS(sched_setaffinity)
1010
1011         dnl ****************************************************************
1012         dnl *** Check for sched_setaffinity from glibc versions before   ***
1013         dnl *** 2.3.4. The older versions of the function only take 2    ***
1014         dnl *** parameters, not 3.                                       ***
1015         dnl ***                                                          ***
1016         dnl *** Because the interface change was not made in a minor     ***
1017         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1018         dnl *** won't always indicate the interface sched_affinity has.  ***
1019         dnl ****************************************************************
1020         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1021         AC_TRY_COMPILE([#include <sched.h>], [
1022                 int main() {
1023             int mask = 1;
1024             sched_setaffinity(0, &mask);
1025         }
1026         ], [
1027                 # Yes, we have it...
1028                 AC_MSG_RESULT(yes)
1029                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1030         ], [
1031                 # We have the new, three-parameter version
1032                 AC_MSG_RESULT(no)
1033         ])
1034
1035
1036         dnl ******************************************************************
1037         dnl *** Check for large file support                               ***
1038         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1039         dnl ******************************************************************
1040
1041         # Check that off_t can represent 2**63 - 1 correctly, working around
1042         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1043         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1044         large_offt=no
1045         AC_DEFUN([LARGE_FILES], [
1046                 large_CPPFLAGS=$CPPFLAGS
1047                 CPPFLAGS="$CPPFLAGS $1"
1048                 AC_TRY_RUN([
1049                         #include <sys/types.h>
1050
1051                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
1052
1053                         int main(void) {
1054                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
1055                                                (BIG_OFF_T%2147483647==1));
1056                                 if(big_off_t) {
1057                                         exit(0);
1058                                 } else {
1059                                         exit(1);
1060                                 }
1061                         }
1062                 ], [
1063                         AC_MSG_RESULT(ok)
1064                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1065                         large_CPPFLAGS="$large_CPPFLAGS $1"
1066                         large_offt=yes
1067                 ], [
1068                         AC_MSG_RESULT(no)
1069                 ], "")
1070                 CPPFLAGS=$large_CPPFLAGS
1071         ])
1072
1073         AC_MSG_CHECKING(if off_t is 64 bits wide)
1074         LARGE_FILES("")
1075         if test $large_offt = no; then
1076                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1077                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1078         fi
1079         if test $large_offt = no; then
1080                 AC_MSG_WARN([No 64 bit file size support available])
1081         fi
1082
1083         dnl *****************************
1084         dnl *** Checks for libsocket  ***
1085         dnl *****************************
1086         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1087
1088         dnl *******************************
1089         dnl *** Checks for MSG_NOSIGNAL ***
1090         dnl *******************************
1091         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1092         AC_TRY_COMPILE([#include <sys/socket.h>], [
1093                 int f = MSG_NOSIGNAL;
1094         ], [
1095                 # Yes, we have it...
1096                 AC_MSG_RESULT(yes)
1097                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1098         ], [
1099                 # We'll have to use signals
1100                 AC_MSG_RESULT(no)
1101         ])
1102
1103         dnl *****************************
1104         dnl *** Checks for SOL_IP     ***
1105         dnl *****************************
1106         AC_MSG_CHECKING(for SOL_IP)
1107         AC_TRY_COMPILE([#include <netdb.h>], [
1108                 int level = SOL_IP;
1109         ], [
1110                 # Yes, we have it...
1111                 AC_MSG_RESULT(yes)
1112                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1113         ], [
1114                 # We'll have to use getprotobyname
1115                 AC_MSG_RESULT(no)
1116         ])
1117
1118         dnl *****************************
1119         dnl *** Checks for SOL_IPV6     ***
1120         dnl *****************************
1121         AC_MSG_CHECKING(for SOL_IPV6)
1122         AC_TRY_COMPILE([#include <netdb.h>], [
1123                 int level = SOL_IPV6;
1124         ], [
1125                 # Yes, we have it...
1126                 AC_MSG_RESULT(yes)
1127                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1128         ], [
1129                 # We'll have to use getprotobyname
1130                 AC_MSG_RESULT(no)
1131         ])
1132
1133         dnl *****************************
1134         dnl *** Checks for SOL_TCP    ***
1135         dnl *****************************
1136         AC_MSG_CHECKING(for SOL_TCP)
1137         AC_TRY_COMPILE([#include <netdb.h>], [
1138                 int level = SOL_TCP;
1139         ], [
1140                 # Yes, we have it...
1141                 AC_MSG_RESULT(yes)
1142                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1143         ], [
1144                 # We'll have to use getprotobyname
1145                 AC_MSG_RESULT(no)
1146         ])
1147
1148         dnl *****************************
1149         dnl *** Checks for IP_PKTINFO ***
1150         dnl *****************************
1151         AC_MSG_CHECKING(for IP_PKTINFO)
1152         AC_TRY_COMPILE([#include <netdb.h>], [
1153                 int level = IP_PKTINFO;
1154         ], [
1155                 # Yes, we have it...
1156                 AC_MSG_RESULT(yes)
1157                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1158         ], [
1159                 AC_MSG_RESULT(no)
1160         ])
1161
1162         dnl *****************************
1163         dnl *** Checks for IPV6_PKTINFO ***
1164         dnl *****************************
1165         AC_MSG_CHECKING(for IPV6_PKTINFO)
1166         AC_TRY_COMPILE([#include <netdb.h>], [
1167                 int level = IPV6_PKTINFO;
1168         ], [
1169                 # Yes, we have it...
1170                 AC_MSG_RESULT(yes)
1171                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1172         ], [
1173                 AC_MSG_RESULT(no)
1174         ])
1175
1176         dnl **********************************
1177         dnl *** Checks for IP_DONTFRAGMENT ***
1178         dnl **********************************
1179         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1180         AC_TRY_COMPILE([#include <netdb.h>], [
1181                 int level = IP_DONTFRAGMENT;
1182         ], [
1183                 # Yes, we have it...
1184                 AC_MSG_RESULT(yes)
1185                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1186         ], [
1187                 AC_MSG_RESULT(no)
1188         ])
1189
1190         dnl **********************************
1191         dnl *** Checks for IP_MTU_DISCOVER ***
1192         dnl **********************************
1193         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1194         AC_TRY_COMPILE([#include <netdb.h>], [
1195                 int level = IP_MTU_DISCOVER;
1196         ], [
1197                 # Yes, we have it...
1198                 AC_MSG_RESULT(yes)
1199                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1200         ], [
1201                 AC_MSG_RESULT(no)
1202         ])
1203
1204         dnl *********************************
1205         dnl *** Check for struct ip_mreqn ***
1206         dnl *********************************
1207         AC_MSG_CHECKING(for struct ip_mreqn)
1208         AC_TRY_COMPILE([#include <netinet/in.h>], [
1209                 struct ip_mreqn mreq;
1210                 mreq.imr_address.s_addr = 0;
1211         ], [
1212                 # Yes, we have it...
1213                 AC_MSG_RESULT(yes)
1214                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1215         ], [
1216                 # We'll just have to try and use struct ip_mreq
1217                 AC_MSG_RESULT(no)
1218                 AC_MSG_CHECKING(for struct ip_mreq)
1219                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1220                         struct ip_mreq mreq;
1221                         mreq.imr_interface.s_addr = 0;
1222                 ], [
1223                         # Yes, we have it...
1224                         AC_MSG_RESULT(yes)
1225                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1226                 ], [
1227                         # No multicast support
1228                         AC_MSG_RESULT(no)
1229                 ])
1230         ])
1231
1232         dnl **********************************
1233         dnl *** Check for gethostbyname2_r ***
1234         dnl **********************************
1235         AC_MSG_CHECKING(for gethostbyname2_r)
1236                 AC_TRY_LINK([#include <netdb.h>], [
1237                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1238         ], [
1239                 # Yes, we have it...
1240                 AC_MSG_RESULT(yes)
1241                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1242         ], [
1243                 AC_MSG_RESULT(no)
1244         ])
1245
1246         dnl *****************************
1247         dnl *** Checks for libnsl     ***
1248         dnl *****************************
1249         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1250
1251         AC_CHECK_FUNCS(inet_pton inet_aton)
1252
1253         dnl ***********************************************
1254         dnl *** Checks for size of sockaddr_un.sun_path ***
1255         dnl ***********************************************
1256         # AC_CHECK_SIZEOF can't cope with struct members :-(
1257         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1258         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1259                 [AC_TRY_RUN([
1260                         #include <sys/types.h>
1261                         #include <stdio.h>
1262                         #include <sys/un.h>
1263
1264                         int main(void) {
1265                                 struct sockaddr_un sock_un;
1266                                 FILE *f=fopen("conftestval", "w");
1267                                 if(!f) exit(1);
1268                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1269                                 exit(0);
1270                         }
1271                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1272                    mono_cv_sizeof_sunpath=0,
1273                    mono_cv_sizeof_sunpath=0)])dnl
1274         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1275         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1276
1277         dnl *****************************
1278         dnl *** Checks for libxnet    ***
1279         dnl *****************************
1280         case "${host}" in
1281                 *solaris* )
1282                         AC_MSG_CHECKING(for Solaris XPG4 support)
1283                         if test -f /usr/lib/libxnet.so; then
1284                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1285                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1286                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1287                                 LIBS="$LIBS -lxnet"
1288                                 AC_MSG_RESULT(yes)
1289                         else
1290                                 AC_MSG_RESULT(no)
1291                         fi
1292
1293                         if test "$GCC" = "yes"; then
1294                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1295                         fi
1296                 ;;
1297         esac
1298
1299         dnl *****************************
1300         dnl *** Checks for libpthread ***
1301         dnl *****************************
1302 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1303 # and libpthread does not exist
1304 #
1305         case "${host}" in
1306                 *-*-*freebsd*)
1307                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1308                 ;;
1309                 *-*-*openbsd*)
1310                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1311                 ;;
1312                 *)
1313                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1314                 ;;
1315         esac
1316         AC_CHECK_HEADERS(pthread.h)
1317         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1318         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1319         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1320         AC_TRY_COMPILE([ #include <pthread.h>], [
1321                 pthread_mutexattr_t attr;
1322                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1323         ], [
1324                 AC_MSG_RESULT(ok)
1325         ], [
1326                 AC_MSG_RESULT(no)
1327                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1328                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1329         ])
1330         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1331         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1332         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1333
1334         dnl ***********************************
1335         dnl *** Checks for signals
1336         dnl ***********************************
1337         AC_CHECK_HEADERS(signal.h)
1338         AC_CHECK_FUNCS(sigaction)
1339
1340         dnl ***********************************
1341         dnl *** Checks for working __thread ***
1342         dnl ***********************************
1343         AC_MSG_CHECKING(for working __thread)
1344         if test "x$with_tls" != "x__thread"; then
1345                 AC_MSG_RESULT(disabled)
1346         else
1347                 AC_TRY_RUN([
1348                         #include <pthread.h>
1349                         __thread int i;
1350                         static int res1, res2;
1351
1352                         void thread_main (void *arg)
1353                         {
1354                                 i = arg;
1355                                 sleep (1);
1356                                 if (arg == 1)
1357                                         res1 = (i == arg);
1358                                 else
1359                                         res2 = (i == arg);
1360                         }
1361
1362                         int main () {
1363                                 pthread_t t1, t2;
1364
1365                                 i = 5;
1366
1367                                 pthread_create (&t1, NULL, thread_main, 1);
1368                                 pthread_create (&t2, NULL, thread_main, 2);
1369
1370                                 pthread_join (t1, NULL);
1371                                 pthread_join (t2, NULL);
1372
1373                                 return !(res1 + res2 == 2);
1374                         }
1375                 ], [
1376                                 AC_MSG_RESULT(yes)
1377                 ], [
1378                                 AC_MSG_RESULT(no)
1379                                 with_tls=pthread
1380                 ])
1381         fi
1382
1383         dnl **************************************
1384         dnl *** Checks for working sigaltstack ***
1385         dnl **************************************
1386         AC_MSG_CHECKING(for working sigaltstack)
1387         if test "x$with_sigaltstack" != "xyes"; then
1388                 AC_MSG_RESULT(disabled)
1389         else
1390                 AC_TRY_RUN([
1391                         #include <stdio.h>
1392                         #include <stdlib.h>
1393                         #include <unistd.h>
1394                         #include <signal.h>
1395                         #include <pthread.h>
1396                         #include <sys/wait.h>
1397                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1398                         #define SA_STACK SA_ONSTACK
1399                         #endif
1400                         static void
1401                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1402                         {
1403                                 exit (0);
1404                         }
1405
1406                         static void *
1407                         loop (void *ignored)
1408                         {
1409                                 char *ptr = NULL;
1410
1411                                 *ptr = 0;
1412                                 return NULL;
1413                         }
1414
1415                         static void
1416                         child ()
1417                         {
1418                                 struct sigaction sa;
1419                                 struct sigaltstack sas;
1420                                 pthread_t id;
1421                                 pthread_attr_t attr;
1422
1423                                 sa.sa_sigaction = sigsegv_signal_handler;
1424                                 sigemptyset (&sa.sa_mask);
1425                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1426                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1427                                         perror ("sigaction");
1428                                         return;
1429                                 }
1430
1431                                 sas.ss_sp = malloc (SIGSTKSZ);
1432                                 sas.ss_size = SIGSTKSZ;
1433                                 sas.ss_flags = 0;
1434                                 if (sigaltstack (&sas, NULL) == -1) {
1435                                         perror ("sigaltstack");
1436                                         return;
1437                                 }
1438
1439                                 pthread_attr_init (&attr);
1440                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1441                                         printf ("pthread_create\n");
1442                                         return;
1443                                 }
1444
1445                                 sleep (100);
1446                         }
1447
1448                         int
1449                         main ()
1450                         {
1451                                 pid_t son;
1452                                 int status;
1453                                 int i;
1454
1455                                 son = fork ();
1456                                 if (son == -1) {
1457                                         return 1;
1458                                 }
1459
1460                                 if (son == 0) {
1461                                         child ();
1462                                         return 0;
1463                                 }
1464
1465                                 for (i = 0; i < 3; ++i) {
1466                                         sleep (1);
1467                                         waitpid (son, &status, WNOHANG);
1468                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1469                                                 return 0;
1470                                 }
1471
1472                                 kill (son, SIGKILL);
1473                                 return 1;
1474                         }
1475
1476                 ], [
1477                                 AC_MSG_RESULT(yes)
1478                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1479                 ], [
1480                                 with_sigaltstack=no
1481                                 AC_MSG_RESULT(no)
1482                 ])
1483         fi
1484
1485         dnl ********************************
1486         dnl *** Checks for semaphore lib ***
1487         dnl ********************************
1488         # 'Real Time' functions on Solaris
1489         # posix4 on Solaris 2.6
1490         # pthread (first!) on Linux
1491         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1492
1493         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1494         AC_CHECK_FUNCS(shm_open)
1495
1496         dnl ********************************
1497         dnl *** Checks for timezone stuff **
1498         dnl ********************************
1499         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1500                 AC_TRY_COMPILE([
1501                         #include <time.h>
1502                         ], [
1503                         struct tm tm;
1504                         tm.tm_gmtoff = 1;
1505                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1506         if test $ac_cv_struct_tm_gmtoff = yes; then
1507                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1508         else
1509                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1510                         AC_TRY_COMPILE([
1511                                 #include <time.h>
1512                         ], [
1513                                 timezone = 1;
1514                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1515                 if test $ac_cv_var_timezone = yes; then
1516                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1517                 else
1518                         AC_ERROR(unable to find a way to determine timezone)
1519                 fi
1520         fi
1521
1522         dnl *********************************
1523         dnl *** Checks for math functions ***
1524         dnl *********************************
1525         AC_SEARCH_LIBS(sqrtf, m)
1526         if test "x$has_broken_apple_cpp" != "xyes"; then
1527                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1528                         AC_TRY_LINK([#include <math.h>],
1529                         [ finite(0.0); ],
1530                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1531                         AC_MSG_RESULT(no)))
1532         fi
1533         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1534                 AC_TRY_LINK([#include <math.h>],
1535                 [ isfinite(0.0); ],
1536                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1537                 AC_MSG_RESULT(no)))
1538
1539         dnl ****************************************************************
1540         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1541         dnl *** have it in the library (duh))                            ***
1542         dnl ****************************************************************
1543         AC_CHECK_FUNCS(poll)
1544
1545         dnl *************************
1546         dnl *** Check for signbit ***
1547         dnl *************************
1548         AC_MSG_CHECKING(for signbit)
1549         AC_TRY_LINK([#include <math.h>], [
1550                 int s = signbit(1.0);
1551         ], [
1552                 AC_MSG_RESULT(yes)
1553                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1554         ], [
1555                 AC_MSG_RESULT(no)
1556         ])
1557
1558         dnl **********************************
1559         dnl *** epoll                      ***
1560         dnl **********************************
1561         AC_CHECK_HEADERS(sys/epoll.h)
1562         haveepoll=no
1563         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1564         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1565                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1566         fi
1567
1568         dnl ******************************
1569         dnl *** Checks for SIOCGIFCONF ***
1570         dnl ******************************
1571         AC_CHECK_HEADERS(sys/ioctl.h)
1572         AC_CHECK_HEADERS(net/if.h, [], [],
1573            [
1574            #ifdef HAVE_SYS_TYPES_H
1575            # include <sys/types.h>
1576            #endif
1577            #ifdef HAVE_SYS_SOCKET_H
1578            # include <sys/socket.h>
1579            #endif
1580            ])
1581         AC_MSG_CHECKING(for ifreq)
1582         AC_TRY_COMPILE([
1583                 #include <stdio.h>
1584                 #include <sys/ioctl.h>
1585                 #include <net/if.h>
1586                 ], [
1587                 struct ifconf ifc;
1588                 struct ifreq *ifr;
1589                 void *x;
1590                 ifc.ifc_len = 0;
1591                 ifc.ifc_buf = NULL;
1592                 x = (void *) &ifr->ifr_addr;
1593                 ],[
1594                         AC_MSG_RESULT(yes)
1595                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1596                 ], [
1597                         AC_MSG_RESULT(no)
1598                 ])
1599         dnl **********************************
1600         dnl ***     Checks for sin_len     ***
1601         dnl **********************************
1602         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1603         AC_TRY_COMPILE([
1604                 #include <netinet/in.h>
1605                 ], [
1606                 struct sockaddr_in saddr;
1607                 saddr.sin_len = sizeof (saddr);
1608                 ],[
1609                         AC_MSG_RESULT(yes)
1610                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1611                 ], [
1612                         AC_MSG_RESULT(no)
1613                 ])
1614         dnl **********************************
1615         dnl ***    Checks for sin6_len     ***
1616         dnl **********************************
1617         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1618         AC_TRY_COMPILE([
1619                 #include <netinet/in.h>
1620                 ], [
1621                 struct sockaddr_in6 saddr6;
1622                 saddr6.sin6_len = sizeof (saddr6);
1623                 ],[
1624                         AC_MSG_RESULT(yes)
1625                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1626                 ], [
1627                         AC_MSG_RESULT(no)
1628                 ])
1629         dnl **********************************
1630         dnl *** Checks for MonoPosixHelper ***
1631         dnl **********************************
1632         AC_CHECK_HEADERS(checklist.h)
1633         AC_CHECK_HEADERS(pathconf.h)
1634         AC_CHECK_HEADERS(fstab.h)
1635         AC_CHECK_HEADERS(attr/xattr.h)
1636         AC_CHECK_HEADERS(sys/extattr.h)
1637         AC_CHECK_HEADERS(sys/sendfile.h)
1638         AC_CHECK_HEADERS(sys/statvfs.h)
1639         AC_CHECK_HEADERS(sys/statfs.h)
1640         AC_CHECK_HEADERS(sys/vfstab.h)
1641         AC_CHECK_HEADERS(sys/xattr.h)
1642         AC_CHECK_HEADERS(sys/mman.h)
1643         AC_CHECK_HEADERS(sys/param.h)
1644         AC_CHECK_HEADERS(sys/mount.h, [], [],
1645                 [
1646                 #ifdef HAVE_SYS_PARAM_H
1647                 # include <sys/param.h>
1648                 #endif
1649                 ])
1650         AC_CHECK_HEADERS(sys/mount.h)
1651         AC_CHECK_FUNCS(confstr)
1652         AC_CHECK_FUNCS(seekdir telldir)
1653         AC_CHECK_FUNCS(getdomainname)
1654         AC_CHECK_FUNCS(setdomainname)
1655         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1656         AC_CHECK_FUNCS(setgroups)
1657         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1658         AC_CHECK_FUNCS(getfsstat)
1659         AC_CHECK_FUNCS(lutimes futimes)
1660         AC_CHECK_FUNCS(mremap)
1661         AC_CHECK_FUNCS(remap_file_pages)
1662         AC_CHECK_FUNCS(posix_fadvise)
1663         AC_CHECK_FUNCS(posix_fallocate)
1664         AC_CHECK_FUNCS(posix_madvise)
1665         AC_CHECK_FUNCS(vsnprintf)
1666         AC_CHECK_FUNCS(sendfile)
1667         AC_CHECK_FUNCS(gethostid sethostid)
1668         AC_CHECK_FUNCS(sethostname)
1669         AC_CHECK_FUNCS(statfs)
1670         AC_CHECK_FUNCS(fstatfs)
1671         AC_CHECK_FUNCS(statvfs)
1672         AC_CHECK_FUNCS(fstatvfs)
1673         AC_CHECK_FUNCS(stime)
1674         AC_CHECK_FUNCS(strerror_r)
1675         AC_CHECK_FUNCS(ttyname_r)
1676         AC_CHECK_FUNCS(psignal)
1677         AC_CHECK_FUNCS(getlogin_r)
1678         AC_CHECK_FUNCS(lockf)
1679         AC_CHECK_FUNCS(swab)
1680         AC_CHECK_FUNCS(setusershell endusershell)
1681         AC_CHECK_SIZEOF(size_t)
1682         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1683                 [#include <sys/types.h>
1684                  #include <sys/stat.h>
1685                  #include <unistd.h>])
1686         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1687                 [#include <sys/types.h>
1688                  #include <sys/stat.h>
1689                  #include <unistd.h>])
1690         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1691                 [#include <sys/time.h>])
1692         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1693                 [#include <unistd.h>
1694                  #include <fcntl.h>])
1695         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1696                 [#include <sys/poll.h>])
1697         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1698                 [#include <sys/types.h>
1699                  #include <sys/stat.h>
1700                  #include <unistd.h>])
1701         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1702                 [#include <time.h>])
1703         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1704                 [#include <sys/time.h>
1705                  #include <sys/types.h>
1706                  #include <utime.h>])
1707         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1708                 [#include <sys/time.h>])
1709         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1710                 [#include <sys/types.h>
1711                  #include <utime.h>])
1712         AC_CHECK_MEMBERS(
1713                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1714                 [#include <sys/types.h>
1715                  #include <dirent.h>])
1716         AC_CHECK_MEMBERS(
1717                 [struct passwd.pw_gecos],,,
1718                 [#include <sys/types.h>
1719                  #include <pwd.h>])
1720         AC_CHECK_MEMBERS(
1721                 [struct statfs.f_flags],,,
1722                 [#include <sys/types.h>
1723                  #include <sys/vfs.h>])
1724
1725         dnl Favour xattr through glibc, but use libattr if we have to
1726         AC_CHECK_FUNC(lsetxattr, ,
1727                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1728         )
1729         AC_SUBST(XATTR_LIB)
1730
1731         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1732         AC_CHECK_MEMBERS(
1733                 [struct kinfo_proc.kp_proc],,,
1734                 [#include <sys/types.h>
1735                  #include <sys/param.h>
1736                  #include <sys/sysctl.h>
1737                  #include <sys/proc.h>
1738                  ])
1739
1740         dnl *********************************
1741         dnl *** Checks for Windows compilation ***
1742         dnl *********************************
1743         AC_CHECK_HEADERS(sys/time.h)
1744         AC_CHECK_HEADERS(sys/param.h)
1745         AC_CHECK_HEADERS(dirent.h)
1746
1747         dnl *********************************
1748         dnl *** Check for Console 2.0 I/O ***
1749         dnl *********************************
1750         AC_CHECK_HEADERS([curses.h])
1751         AC_CHECK_HEADERS([term.h], [], [],
1752         [#if HAVE_CURSES_H
1753          #include <curses.h>
1754          #endif
1755         ])
1756         AC_CHECK_HEADERS([termios.h])
1757
1758         dnl * This is provided in io-layer, but on windows it's only available
1759         dnl * on xp+
1760         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1761 else
1762         jdk_headers_found=no
1763         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1764         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1765         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1766         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1767         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1768         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1769         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1770
1771         dnl *********************************
1772         dnl *** Check for struct ip_mreqn ***
1773         dnl *********************************
1774         AC_MSG_CHECKING(for struct ip_mreqn)
1775         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1776                 struct ip_mreqn mreq;
1777                 mreq.imr_address.s_addr = 0;
1778         ], [
1779                 # Yes, we have it...
1780                 AC_MSG_RESULT(yes)
1781                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1782         ], [
1783                 # We'll just have to try and use struct ip_mreq
1784                 AC_MSG_RESULT(no)
1785                 AC_MSG_CHECKING(for struct ip_mreq)
1786                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1787                         struct ip_mreq mreq;
1788                         mreq.imr_interface.s_addr = 0;
1789                 ], [
1790                         # Yes, we have it...
1791                         AC_MSG_RESULT(yes)
1792                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1793                 ], [
1794                         # No multicast support
1795                         AC_MSG_RESULT(no)
1796                 ])
1797         ])
1798         AC_CHECK_FUNCS(GetProcessId)
1799 fi
1800
1801 dnl socklen_t check
1802 AC_MSG_CHECKING(for socklen_t)
1803 AC_TRY_COMPILE([
1804 #include <sys/types.h>
1805 #include <sys/socket.h>
1806 ],[
1807   socklen_t foo;
1808 ],[
1809 ac_cv_c_socklen_t=yes
1810         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1811         AC_MSG_RESULT(yes)
1812 ],[
1813         AC_MSG_RESULT(no)
1814 ])
1815
1816 AC_MSG_CHECKING(for array element initializer support)
1817 AC_TRY_COMPILE([#include <sys/socket.h>], [
1818         const int array[] = {[1] = 2,};
1819 ], [
1820         # Yes, we have it...
1821         AC_MSG_RESULT(yes)
1822         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1823 ], [
1824         # We'll have to use signals
1825         AC_MSG_RESULT(no)
1826 ])
1827
1828 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1829         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1830         AC_TRY_LINK([#include <math.h>],
1831         [ static void *p = &trunc; ],
1832         [
1833                 AC_DEFINE(HAVE_TRUNC)
1834                 AC_MSG_RESULT(yes)
1835                 ac_cv_trunc=yes
1836         ],
1837         AC_MSG_RESULT(no)))
1838
1839 if test "x$ac_cv_truncl" != "xyes"; then
1840    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1841 fi
1842
1843 AC_CHECK_FUNCS(round)
1844 AC_CHECK_FUNCS(rint)
1845
1846 dnl ****************************
1847 dnl *** Look for /dev/random ***
1848 dnl ****************************
1849
1850 AC_MSG_CHECKING([if usage of random device is requested])
1851 AC_ARG_ENABLE(dev-random,
1852 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1853 try_dev_random=$enableval, try_dev_random=yes)
1854
1855 AC_MSG_RESULT($try_dev_random)
1856
1857 case "{$target}" in
1858     *-openbsd*)
1859     NAME_DEV_RANDOM="/dev/srandom"
1860     ;;
1861
1862 dnl Win32 does not have /dev/random, they have their own method...
1863
1864     *-mingw*|*-*-cygwin*)
1865     ac_cv_have_dev_random=no
1866     ;;
1867
1868 dnl Everywhere else, it's /dev/random
1869
1870     *)
1871     NAME_DEV_RANDOM="/dev/random"
1872     ;;
1873 esac
1874
1875 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1876
1877 dnl Now check if the device actually exists
1878
1879 if test "x$try_dev_random" = "xyes"; then
1880     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1881     [if test -r "$NAME_DEV_RANDOM" ; then
1882         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1883     if test "x$ac_cv_have_dev_random" = "xyes"; then
1884         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1885     fi
1886 else
1887     AC_MSG_CHECKING(for random device)
1888     ac_cv_have_dev_random=no
1889     AC_MSG_RESULT(has been disabled)
1890 fi
1891
1892 if test "x$host_win32" = "xyes"; then
1893     AC_DEFINE(HAVE_CRYPT_RNG)
1894 fi
1895
1896 if test "x$ac_cv_have_dev_random" = "xno" \
1897     && test "x$host_win32" = "xno"; then
1898     AC_MSG_WARN([[
1899 ***
1900 *** A system-provided entropy source was not found on this system.
1901 *** Because of this, the System.Security.Cryptography random number generator
1902 *** will throw a NotImplemented exception.
1903 ***
1904 *** If you are seeing this message, and you know your system DOES have an
1905 *** entropy collection in place, please contact <crichton@gimp.org> and
1906 *** provide information about the system and how to access the random device.
1907 ***
1908 *** Otherwise you can install either egd or prngd and set the environment
1909 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1910 ***]])
1911 fi
1912
1913 AC_MSG_CHECKING([if inter-process shared handles are requested])
1914 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1915 AC_MSG_RESULT($try_shared_handles)
1916 if test "x$try_shared_handles" != "xyes"; then
1917         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1918         AC_SUBST(DISABLE_SHARED_HANDLES)
1919 fi
1920
1921 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1922 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1923
1924 AC_MSG_CHECKING([if big-arrays are to be enabled])
1925 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1926 if test "x$enable_big_arrays" = "xyes" ; then
1927     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1928         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1929     else
1930         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1931     fi
1932 fi
1933 AC_MSG_RESULT($enable_big_arrays)
1934
1935 dnl **************
1936 dnl *** DTRACE ***
1937 dnl **************
1938
1939 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1940
1941 if test "x$enable_dtrace" = "xyes"; then
1942    if test "x$has_dtrace" = "xno"; then
1943           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1944    fi
1945    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1946    if test "x$DTRACE" = "xno"; then
1947           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1948           enable_dtrace=no
1949    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
1950           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
1951           enable_dtrace=no
1952    fi
1953 fi
1954
1955 dtrace_g=no
1956 if test "x$enable_dtrace" = "xyes"; then
1957         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1958         DTRACEFLAGS=
1959         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1960                 case "$host" in
1961                         powerpc-*-darwin*)
1962                         DTRACEFLAGS="-arch ppc64"
1963                         ;;
1964                         i*86-*-darwin*)
1965                         DTRACEFLAGS="-arch x86_64"
1966                         ;;
1967                         *)
1968                         DTRACEFLAGS=-64
1969                         ;;
1970                 esac
1971         else
1972                 case "$host" in
1973                         powerpc-*-darwin*)
1974                         DTRACEFLAGS="-arch ppc"
1975                         ;;
1976                         i*86-*-darwin*)
1977                         DTRACEFLAGS="-arch i386"
1978                         ;;
1979                         *)
1980                         DTRACEFLAGS=-32
1981                         ;;
1982                 esac
1983         fi
1984         AC_SUBST(DTRACEFLAGS)
1985         case "$host" in
1986                 *-*-solaris*)
1987                 dtrace_g=yes
1988                 ;;
1989         esac
1990         AC_CHECK_HEADERS([sys/sdt.h])
1991 fi
1992 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1993 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1994
1995 dnl **************
1996 dnl ***  NaCl  ***
1997 dnl **************
1998
1999 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2000
2001 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2002 if test "x$enable_nacl_codegen" = "xyes"; then
2003    MONO_NACL_ALIGN_MASK_OFF=1
2004    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2005    AC_DEFINE(TARGET_NACL, 1, [...])
2006 else
2007    MONO_NACL_ALIGN_MASK_OFF=0
2008 fi
2009 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2010
2011 dnl **************
2012 dnl ***  LLVM  ***
2013 dnl **************
2014
2015 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the experimental LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2016 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2017
2018 if test "x$enable_llvm" = "xyes"; then
2019    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2020    if test "x$LLVM_CONFIG" = "xno"; then
2021           AC_MSG_ERROR([llvm-config not found.])
2022    fi
2023
2024    # The output of --cflags seems to include optimizations flags too
2025    LLVM_CFLAGS=`$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'`
2026    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2027    # from LLVM classes.
2028    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2029    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2030    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
2031    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2032
2033    # Should be something like '2.6' or '2.7svn'
2034    llvm_version=`$LLVM_CONFIG --version`
2035    major_version=`echo $llvm_version | cut -c 1`
2036    minor_version=`echo $llvm_version | cut -c 3`
2037    if echo $llvm_version | grep -q 'mono'; then
2038           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2039           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2040    fi
2041
2042    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2043    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2044    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2045
2046    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2047    # llvm's config.h
2048    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2049
2050    AC_SUBST(LLVM_CFLAGS)
2051    AC_SUBST(LLVM_CXXFLAGS)
2052    AC_SUBST(LLVM_LIBS)
2053    AC_SUBST(LLVM_LDFLAGS)
2054    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2055 fi
2056
2057 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2058 if test "x$enable_loadedllvm" = "xyes"; then
2059    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2060 fi
2061 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2062
2063 TARGET="unknown"
2064 ACCESS_UNALIGNED="yes"
2065
2066 JIT_SUPPORTED=no
2067 INTERP_SUPPORTED=no
2068 LIBC="libc.so.6"
2069 INTL="libc.so.6"
2070 SQLITE="libsqlite.so.0"
2071 SQLITE3="libsqlite3.so.0"
2072 X11="libX11.so"
2073
2074 sizeof_register="SIZEOF_VOID_P"
2075
2076 jit_wanted=false
2077 interp_wanted=false
2078 sgen_supported=false
2079 case "$host" in
2080 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2081 #               TARGET=MIPS;
2082 #               ACCESS_UNALIGNED="no"
2083 #               ;;
2084         mips*)
2085                 TARGET=MIPS;
2086                 arch_target=mips;
2087                 ACCESS_UNALIGNED="no"
2088                 JIT_SUPPORTED=yes
2089                 jit_wanted=true
2090
2091                 AC_MSG_CHECKING(for mips n32)
2092                 AC_TRY_COMPILE([], [
2093                 void main () {
2094                 #if _MIPS_SIM != _ABIN32
2095                 #error Not mips n32
2096                 #endif
2097                 }
2098                 ],[
2099                 AC_MSG_RESULT(yes)
2100                 sizeof_register=8
2101                 ],[
2102                 AC_MSG_RESULT(no)
2103                 ])
2104                 ;;
2105         i*86-*-*)
2106                 TARGET=X86;
2107                 arch_target=x86;
2108                 JIT_SUPPORTED=yes
2109                 jit_wanted=true
2110                 case $host_os in
2111                   solaris*)
2112                         LIBC="libc.so"
2113                         INTL="libintl.so"
2114                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2115                                 TARGET=AMD64
2116                                 arch_target=amd64
2117                         fi
2118
2119                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2120                         # int astruct __attribute__ ((visibility ("hidden")));
2121                         # void foo ()
2122                         # {
2123                         #       void *p = &astruct;
2124                         # }
2125                         # gcc -fPIC --shared -o libfoo.so foo.c
2126                         # yields:
2127                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2128                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2129                         have_visibility_hidden=no
2130                         ;;
2131                   cygwin*)
2132                         have_visibility_hidden=no
2133                         ;;
2134                   haiku*)
2135                         LIBC=libroot.so
2136                         ;;
2137                   linux*)
2138                         sgen_supported=true
2139                         AOT_SUPPORTED="yes"
2140                         ;;
2141                   darwin*|openbsd*)
2142                         sgen_supported=true
2143                         ;;
2144                 esac
2145                 ;;
2146         x86_64-*-* | amd64-*-*)
2147                 TARGET=AMD64;
2148                 arch_target=amd64;
2149                 JIT_SUPPORTED=yes
2150                 jit_wanted=true
2151                 case $host_os in
2152                   linux*)
2153                         sgen_supported=true
2154                         AOT_SUPPORTED="yes"
2155                         ;;
2156                   darwin*|openbsd*)
2157                         sgen_supported=true
2158                         ;;
2159                 esac
2160                 ;;
2161         ia64-*-*)
2162                 TARGET=IA64
2163                 arch_target=ia64
2164                 ACCESS_UNALIGNED="no"
2165                 JIT_SUPPORTED=yes
2166                 jit_wanted=true
2167                 LIBC="libc.so.6.1"
2168                 INTL="libc.so.6.1"
2169                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2170                 libmono_ldflags="-lunwind"
2171                 ;;
2172         sparc*-*-*)
2173                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2174                    TARGET=SPARC64
2175                 else
2176                         TARGET=SPARC
2177                 fi
2178                 arch_target=sparc;
2179                 JIT_SUPPORTED=yes
2180                 ACCESS_UNALIGNED="no"
2181                 case $host_os in
2182                   linux*) ;;
2183                   *)
2184                         LIBC="libc.so"
2185                         INTL="libintl.so"
2186                 esac
2187                 jit_wanted=true
2188                 if test x"$GCC" = xyes; then
2189                         # We don't support v8 cpus
2190                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2191                 fi
2192                 if test x"$AR" = xfalse; then
2193                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2194                 fi
2195                 ;;
2196        alpha*-*-linux* | alpha*-*-osf*)
2197                 TARGET=ALPHA;
2198                 ACCESS_UNALIGNED="no"
2199                 JIT_SUPPORTED=yes
2200                 jit_wanted=true
2201                 arch_target=alpha;
2202                 CFLAGS="$CFLAGS -mieee -O0"
2203                 case $host_os in
2204                   linux*)
2205                         LIBC="libc.so.6.1"
2206                         INTL="libc.so.6.1"
2207                 esac
2208                ;;
2209         *-mingw*|*-*-cygwin*)
2210                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2211                 have_visibility_hidden=no
2212                 INTL="intl"
2213                 ;;
2214         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2215                 TARGET=HPPA;
2216                 arch_target=hppa;
2217                 LIBC="libc.sl"
2218                 ACCESS_UNALIGNED="no"
2219                 INTERP_SUPPORTED=yes
2220                 interp_wanted=true
2221                 ;;
2222         hppa*linux*)
2223                 TARGET=HPPA;
2224                 arch_target=hppa;
2225                 ACCESS_UNALIGNED="no"
2226                 JIT_SUPPORTED=yes
2227                 jit_wanted=true
2228                 ;;
2229         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2230         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2231                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2232                         TARGET=POWERPC64;
2233                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2234                         CFLAGS="$CFLAGS -mminimal-toc"
2235                 else
2236                         TARGET=POWERPC;
2237                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2238                 fi
2239                 arch_target=ppc;
2240                 JIT_SUPPORTED=yes
2241                 jit_wanted=true
2242                 case $host_os in
2243                   linux*|darwin*)
2244                         sgen_supported=true
2245                         ;;
2246                 esac
2247                 ;;
2248         arm*-darwin*)
2249                 TARGET=ARM;
2250                 arch_target=arm;
2251                 ACCESS_UNALIGNED="no"
2252                 JIT_SUPPORTED=yes
2253                 CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE=1"
2254                 jit_wanted=true
2255                 sgen_supported=true
2256                 ;;
2257         arm*-linux*)
2258                 TARGET=ARM;
2259                 arch_target=arm;
2260                 ACCESS_UNALIGNED="no"
2261                 JIT_SUPPORTED=yes
2262                 jit_wanted=true
2263                 sgen_supported=true
2264                 ;;
2265         s390-*-linux*)
2266                 TARGET=S390;
2267                 arch_target=s390;
2268                 ACCESS_UNALIGNED="yes"
2269                 JIT_SUPPORTED=yes
2270                 jit_wanted=true
2271                 sgen_supported=true
2272                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2273                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2274                 ;;
2275         s390x-*-linux*)
2276                 TARGET=S390x;
2277                 arch_target=s390x;
2278                 ACCESS_UNALIGNED="yes"
2279                 JIT_SUPPORTED=yes
2280                 jit_wanted=true
2281                 sgen_supported=true
2282                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2283                 ;;
2284 esac
2285
2286 if test "x$host" != "x$target"; then
2287    case "$target" in
2288    powerpc64-ps3-linux-gnu)
2289                 TARGET=POWERPC64
2290                 arch_target=powerpc64
2291                 AC_DEFINE(TARGET_PS3, 1, [...])
2292                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2293                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2294                 # uses this define
2295                 AC_DEFINE(__mono_ppc64__, 1, [...])
2296                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2297                 sizeof_register=8
2298                 target_byte_order=G_BIG_ENDIAN
2299                 ;;
2300
2301    powerpc64-xbox360-linux-gnu)
2302                 TARGET=POWERPC64
2303                 arch_target=powerpc64
2304                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2305                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2306                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2307                 # uses this define
2308                 sizeof_register=8
2309                 target_byte_order=G_BIG_ENDIAN
2310                 ;;
2311         *)
2312                 AC_MSG_WARN([Cross compiling is only supported for targets matching 'powerpc64-{ps3,xbox360}-linux-gnu'])
2313         esac
2314 fi
2315
2316 # FIXME: Define the others as well
2317 case "$TARGET" in
2318 X86)
2319         AC_DEFINE(TARGET_X86, 1, [...])
2320         ;;
2321 AMD64)
2322         AC_DEFINE(TARGET_AMD64, 1, [...])
2323         ;;
2324 ARM)
2325         AC_DEFINE(TARGET_ARM, 1, [...])
2326         ;;
2327 POWERPC)
2328         AC_DEFINE(TARGET_POWERPC, 1, [...])
2329         ;;
2330 POWERPC64)
2331         AC_DEFINE(TARGET_POWERPC, 1, [...])
2332         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2333         ;;
2334 esac
2335
2336 if test "x$sizeof_register" = "x4"; then
2337    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2338 elif test "x$sizeof_register" = "x8"; then
2339    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2340 else
2341    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2342 fi
2343
2344 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2345    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2346 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2347    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2348 else
2349    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2350 fi
2351
2352 if test "x$have_visibility_hidden" = "xyes"; then
2353    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2354 fi
2355
2356 if test "x$have_deprecated" = "xyes"; then
2357    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2358 fi
2359
2360 dnl
2361 dnl Simple Generational checks (sgen)
2362 dnl
2363 SGEN_DEFINES=
2364 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
2365 if test x$buildsgen = xyes; then
2366    if $sgen_supported; then
2367        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2368        gc_msg="sgen and $gc_msg"
2369    else
2370        buildsgen=no
2371        AC_MSG_WARN("Sgen is not supported on this platform")
2372    fi
2373 fi
2374 AC_SUBST(SGEN_DEFINES)
2375 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2376
2377 AC_ARG_WITH(jit, [  --with-jit=yes,no              If you want to build scripts that default to the JIT (defaults to no)],[
2378         if test x$withval = xyes; then
2379            jit_wanted=true
2380         else
2381            jit_wanted=false
2382         fi
2383 ])
2384
2385 AC_ARG_WITH(interp, [  --with-interp=yes,no           If you want to build scripts that default to the interpreter (defaults to no)],[
2386         if test x$withval = xyes; then
2387            interp_wanted=true
2388         else
2389            interp_wanted=false
2390         fi
2391 ])
2392
2393 USEJIT=false
2394 if test x$JIT_SUPPORTED = xyes; then
2395    if $jit_wanted; then
2396       USEJIT=true
2397       jit_status="Building and using the JIT"
2398    else
2399       if $interp_wanted; then
2400          jit_status="Building the JIT, defaulting to the interpreter"
2401       else
2402          AC_ERROR(No JIT or interpreter support available or selected.)
2403       fi
2404    fi
2405 else
2406    if test x$interp_wanted = xtrue; then
2407       jit_status="interpreter"
2408    else
2409       AC_ERROR(No JIT or interpreter support available or selected.)
2410    fi
2411 fi
2412
2413 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2414
2415 libsuffix=".so"
2416
2417 case "$host" in
2418      *-*-darwin*)
2419         libsuffix=".dylib"
2420         LIBC="libc.dylib"
2421         INTL="libintl.dylib"
2422         SQLITE="libsqlite.0.dylib"
2423         SQLITE3="libsqlite3.0.dylib"
2424         X11="libX11.dylib"
2425         ;;
2426      *-*-*netbsd*)
2427         LIBC="libc.so.12"
2428         INTL="libintl.so.0"
2429         ;;
2430     *-*-*freebsd*)
2431         LIBC="libc.so"
2432         INTL="libintl.so"
2433         SQLITE="libsqlite.so"
2434         SQLITE3="libsqlite3.so"
2435         ;;
2436     *-*-*openbsd*)
2437         LIBC="libc.so"
2438         INTL="libintl.so"
2439         SQLITE="libsqlite.so"
2440         SQLITE3="libsqlite3.so"
2441         ;;
2442     *-*-*linux*)
2443         AC_PATH_X
2444         AC_MSG_CHECKING(for the soname of libX11.so)
2445         for i in $x_libraries /usr/lib /usr/lib64; do
2446                 for r in 4 5 6; do
2447                         if test -f $i/libX11.so.$r; then
2448                                 X11=libX11.so.$r
2449                                 AC_MSG_RESULT($X11)
2450                         fi
2451                 done
2452         done
2453
2454         if test "x$X11" = "xlibX11.so"; then
2455                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2456         fi
2457         ;;
2458 esac
2459
2460
2461 AC_SUBST(libsuffix)
2462
2463 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2464         if test "x$with_tls" = "x__thread"; then
2465                 #
2466                 # On some linux distributions, TLS works in executables, but linking
2467                 # against a shared library containing TLS fails with:
2468                 # undefined reference to `__tls_get_addr'
2469                 #
2470                 rm -f conftest.c conftest.so conftest
2471                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2472                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2473                 $CC -o conftest conftest.so > /dev/null 2>&1
2474                 if test ! -f conftest; then
2475                    AC_MSG_WARN([Disabling usage of __thread.]);
2476                    with_tls=pthread
2477                 fi
2478                 rm -f conftest.c conftest.so conftest
2479         fi
2480 fi
2481
2482 mono_debugger_supported=no
2483 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2484 if test "x$try_mono_debugger" = "xyes"; then
2485         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2486                 if test x$use_included_gc = xyes; then
2487                         case "$host" in
2488                         *-*-*linux*)
2489                                 mono_debugger_supported=yes
2490                                 ;;
2491                         *86-apple-darwin*)
2492                                 mono_debugger_supported=yes
2493                                 ;;
2494                         esac
2495                 fi
2496         fi
2497 fi
2498
2499 # disable the debugger entirely when building with moonlight
2500 if test "x$with_moonlight" != "xno"; then
2501         mono_debugger_supported=no
2502 fi
2503
2504 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2505 if test "x$mono_debugger_supported" = "xyes"; then
2506         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2507         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2508 fi
2509 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2510 AC_MSG_RESULT($mono_debugger_supported)
2511
2512 if test "x$with_tls" = "x__thread"; then
2513         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2514         # Pass the information to libgc
2515         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2516         AC_MSG_CHECKING(if the tls_model attribute is supported)
2517         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2518                 ], [
2519                         AC_MSG_RESULT(yes)
2520                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2521                 ], [
2522                         AC_MSG_RESULT(no)
2523         ])
2524 fi
2525
2526 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2527         dnl ******************************************
2528         dnl *** Check to see what FPU is available ***
2529         dnl ******************************************
2530         AC_MSG_CHECKING(which FPU to use)
2531
2532         AC_TRY_COMPILE([], [
2533                 __asm__ ("ldfd f0, [r0]");
2534                 ], fpu=FPA, fpu=NONE)
2535
2536         AC_MSG_RESULT($fpu)
2537         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2538         unset fpu
2539 fi
2540
2541 if test ${TARGET} = unknown; then
2542         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2543         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2544 fi
2545
2546 if test ${ACCESS_UNALIGNED} = no; then
2547         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2548 fi
2549
2550 case "x$gc" in
2551         xincluded)
2552                 # Pass CPPFLAGS to libgc configure
2553                 # We should use a separate variable for this to avoid passing useless and
2554                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2555                 # This should be executed late so we pick up the final version of CPPFLAGS
2556                 # The problem with this approach, is that during a reconfigure, the main
2557                 # configure scripts gets invoked with these arguments, so we use separate
2558                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2559                 LIBGC_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2560                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2561                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2562                 fi
2563                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2564                 AC_CONFIG_SUBDIRS(libgc)
2565                 ;;
2566 esac
2567
2568 #AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2569 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                  [], [with_profile4=yes])
2570 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid 2.1 assemblies (defaults to no)], [], [with_monodroid=no])
2571 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2572
2573 OPROFILE=no
2574 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2575         if test x$with_oprofile != xno; then
2576             oprofile_include=$with_oprofile/include
2577             if test ! -f $oprofile_include/opagent.h; then
2578                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2579                 fi
2580             OPROFILE=yes
2581                 OPROFILE_CFLAGS="-I$oprofile_include"
2582             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2583             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2584         fi
2585 ])
2586
2587 MALLOC_MEMPOOLS=no
2588 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2589         if test x$with_malloc_mempools = xyes; then
2590                 MALLOC_MEMPOOLS=yes
2591                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2592         fi
2593 ])
2594
2595
2596 DISABLE_MCS_DOCS=no
2597 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2598         if test x$with_mcs_docs != xyes; then
2599                 DISABLE_MCS_DOCS=yes
2600         fi
2601 ])
2602 if test x$with_profile4 != xyes; then
2603         DISABLE_MCS_DOCS=yes
2604 fi
2605
2606 MOONLIGHT_DEFINES=
2607 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2608         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING"
2609 ], [with_moonlight=no])
2610 AC_SUBST(MOONLIGHT_DEFINES)
2611
2612
2613
2614 AC_CHECK_HEADER([malloc.h],
2615                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2616                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2617
2618 dnl
2619 dnl Consistency settings
2620 dnl
2621 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2622    DISABLE_MCS_DOCS=yes
2623 fi
2624
2625 if test x$DISABLE_MCS_DOCS = xyes; then
2626    docs_dir=""
2627 else
2628    docs_dir=docs
2629 fi
2630 AC_SUBST(docs_dir)
2631
2632 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2633 AC_SUBST(OPROFILE_CFLAGS)
2634 AC_SUBST(OPROFILE_LIBS)
2635
2636 libmono_ldflags="$libmono_ldflags $LIBS"
2637
2638 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2639 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2640 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2641 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2642 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2643
2644 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2645 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2646 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2647 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2648 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2649 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2650 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2651 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2652 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2653 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2654 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2655 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2656 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2657 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2658 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2659 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2660
2661 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2662 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2663 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2664
2665 AC_SUBST(LIBC)
2666 AC_SUBST(INTL)
2667 AC_SUBST(SQLITE)
2668 AC_SUBST(SQLITE3)
2669 AC_SUBST(X11)
2670 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2671 AC_SUBST(arch_target)
2672 AC_SUBST(CFLAGS)
2673 AC_SUBST(CPPFLAGS)
2674 AC_SUBST(LDFLAGS)
2675
2676 mono_build_root=`pwd`
2677 AC_SUBST(mono_build_root)
2678
2679 if test x$USEJIT = xtrue; then
2680   mono_runtime=mono/mini/mono
2681 else
2682   mono_runtime=mono/interpreter/mint
2683 fi
2684 AC_SUBST(mono_runtime)
2685
2686 mono_cfg_root=$mono_build_root/runtime
2687 if test x$host_win32 = xyes; then
2688   if test "x$cross_compiling" = "xno"; then
2689     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2690   else
2691     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2692   fi
2693 else
2694   mono_cfg_dir=$mono_cfg_root/etc
2695 fi
2696 AC_SUBST(mono_cfg_dir)
2697
2698 AC_CONFIG_FILES([po/mcs/Makefile.in])
2699
2700 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2701 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2702
2703 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2704 [   depth=../../../..
2705     case $srcdir in
2706     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2707     .) reldir=$depth ;;
2708     *) reldir=$depth/$srcdir ;;
2709     esac
2710     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2711     cd runtime/etc/mono/1.0
2712     rm -f machine.config
2713     $LN_S $reldir/data/net_1_1/machine.config machine.config
2714     cd $depth
2715 ],[LN_S='$LN_S'])
2716
2717 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2718 [   depth=../../../..
2719     case $srcdir in
2720     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2721     .) reldir=$depth ;;
2722     *) reldir=$depth/$srcdir ;;
2723     esac
2724     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2725     cd runtime/etc/mono/2.0
2726     rm -f machine.config
2727     $LN_S $reldir/data/net_2_0/machine.config machine.config
2728     cd $depth
2729 ],[LN_S='$LN_S'])
2730
2731 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2732 [   depth=../../../..
2733     case $srcdir in
2734     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2735     .) reldir=$depth ;;
2736     *) reldir=$depth/$srcdir ;;
2737     esac
2738     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2739     cd runtime/etc/mono/2.0
2740     rm -f web.config
2741     $LN_S $reldir/data/net_2_0/web.config web.config
2742     cd $depth
2743 ],[LN_S='$LN_S'])
2744
2745 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2746 [   depth=../../..
2747     case $srcdir in
2748     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2749     .) reldir=$depth ;;
2750     *) reldir=$depth/$srcdir ;;
2751     esac
2752     $ac_aux_dir/install-sh -d runtime/etc/mono/
2753     cd runtime/etc/mono/
2754     rm -f browscap.ini
2755     $LN_S $reldir/data/browscap.ini browscap.ini
2756     cd $depth
2757 ],[LN_S='$LN_S'])
2758
2759 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2760 [   depth=../../../../..
2761     case $srcdir in
2762     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2763     .) reldir=$depth ;;
2764     *) reldir=$depth/$srcdir ;;
2765     esac
2766     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2767     cd runtime/etc/mono/2.0/Browsers
2768     rm -f Compat.browser
2769     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2770     cd $depth
2771 ],[LN_S='$LN_S'])
2772
2773 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
2774 [   depth=../../../..
2775     case $srcdir in
2776     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2777     .) reldir=$depth ;;
2778     *) reldir=$depth/$srcdir ;;
2779     esac
2780     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2781     cd runtime/etc/mono/4.0
2782     rm -f machine.config
2783     $LN_S $reldir/data/net_4_0/machine.config machine.config
2784     cd $depth
2785 ],[LN_S='$LN_S'])
2786
2787 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
2788 [   depth=../../../..
2789     case $srcdir in
2790     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2791     .) reldir=$depth ;;
2792     *) reldir=$depth/$srcdir ;;
2793     esac
2794     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2795     cd runtime/etc/mono/4.0
2796     rm -f web.config
2797     $LN_S $reldir/data/net_4_0/web.config web.config
2798     cd $depth
2799 ],[LN_S='$LN_S'])
2800
2801 if test x$enable_quiet_build = xyes; then
2802    AC_CONFIG_COMMANDS([quiet], [for i in `find mono libgc support -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
2803    AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "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])
2804 fi
2805
2806 AC_OUTPUT([
2807 Makefile
2808 mono-core.spec
2809 mono-uninstalled.pc
2810 scripts/mono-find-provides
2811 scripts/mono-find-requires
2812 mono/Makefile
2813 mono/utils/Makefile
2814 mono/metadata/Makefile
2815 mono/dis/Makefile
2816 mono/cil/Makefile
2817 mono/arch/Makefile
2818 mono/arch/x86/Makefile
2819 mono/arch/amd64/Makefile
2820 mono/arch/hppa/Makefile
2821 mono/arch/ppc/Makefile
2822 mono/arch/sparc/Makefile
2823 mono/arch/s390/Makefile
2824 mono/arch/s390x/Makefile
2825 mono/arch/arm/Makefile
2826 mono/arch/alpha/Makefile
2827 mono/arch/ia64/Makefile
2828 mono/arch/mips/Makefile
2829 mono/interpreter/Makefile
2830 mono/tests/Makefile
2831 mono/tests/tests-config
2832 mono/tests/assemblyresolve/Makefile
2833 mono/tests/cas/Makefile
2834 mono/tests/cas/assembly/Makefile
2835 mono/tests/cas/demand/Makefile
2836 mono/tests/cas/inheritance/Makefile
2837 mono/tests/cas/linkdemand/Makefile
2838 mono/tests/cas/threads/Makefile
2839 mono/benchmark/Makefile
2840 mono/monograph/Makefile
2841 mono/io-layer/Makefile
2842 mono/mini/Makefile
2843 mono/profiler/Makefile
2844 ikvm-native/Makefile
2845 scripts/Makefile
2846 man/Makefile
2847 web/Makefile
2848 docs/Makefile
2849 data/Makefile
2850 data/net_2_0/Makefile
2851 data/net_4_0/Makefile
2852 data/net_2_0/Browsers/Makefile
2853 data/mint.pc
2854 data/mono-2.pc
2855 data/mono.pc
2856 data/mono-cairo.pc
2857 data/mono-nunit.pc
2858 data/mono-options.pc
2859 data/mono-lineeditor.pc
2860 data/monodoc.pc
2861 data/mono.web.pc
2862 data/dotnet.pc
2863 data/dotnet35.pc
2864 data/wcf.pc
2865 data/cecil.pc
2866 data/system.web.extensions_1.0.pc
2867 data/system.web.extensions.design_1.0.pc
2868 data/system.web.mvc.pc
2869 data/system.web.mvc2.pc
2870 samples/Makefile
2871 support/Makefile
2872 data/config
2873 tools/Makefile
2874 tools/locale-builder/Makefile
2875 tools/sgen/Makefile
2876 runtime/Makefile
2877 msvc/Makefile
2878 po/Makefile
2879 ])
2880
2881 if test x$host_win32 = xyes; then
2882    # Get rid of 'cyg' prefixes in library names
2883    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2884    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2885    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2886    # executable doesn't work...
2887    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2888 fi
2889
2890 (
2891   case $prefix in
2892   NONE) prefix=$ac_default_prefix ;;
2893   esac
2894   case $exec_prefix in
2895   NONE) exec_prefix='${prefix}' ;;
2896   esac
2897
2898   #
2899   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2900   # any existing config.make.  This allows people to share the same source tree
2901   # with different build directories, one native and one cross
2902   #
2903   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2904
2905     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
2906
2907     echo "prefix=$prefix" > $mcs_topdir/build/config.make
2908     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
2909     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
2910     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
2911     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $mcs_topdir/build/config.make
2912     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
2913     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
2914     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
2915
2916     case $INSTALL in
2917     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2918     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2919     esac
2920
2921     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
2922
2923     export VERSION
2924     [myver=$($AWK 'BEGIN {
2925       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2926       if(length(vsplit [1]) > 4) {
2927         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2928       }
2929       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2930     }')]
2931
2932     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
2933
2934     if test x$platform_darwin = xyes; then
2935       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
2936     fi
2937
2938         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
2939            enable_system_aot=yes
2940         fi
2941
2942     if test x$host_win32 = xno -a x$platform_darwin != xyes -a x$enable_system_aot = xyes; then
2943       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
2944     fi
2945
2946     if test x$DISABLE_MCS_DOCS = xyes; then
2947       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
2948     fi
2949
2950     if test x$with_moonlight != xno; then
2951       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
2952     fi
2953
2954   fi
2955
2956   # if we have an olive folder, override the default settings
2957   if test -d $olivedir; then
2958
2959     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2960
2961       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2962
2963       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2964       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2965       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2966       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2967       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2968       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2969     fi
2970   fi
2971
2972 )
2973
2974 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2975
2976 echo "
2977         mcs source:    $mcsdir
2978         olive source:  $olive_topdir
2979
2980    Engine:
2981         GC:            $gc_msg
2982         GLIB:          $with_glib
2983         TLS:           $with_tls
2984         SIGALTSTACK:   $with_sigaltstack
2985         Engine:        $jit_status
2986         oprofile:      $OPROFILE
2987         BigArrays:     $enable_big_arrays
2988         DTrace:        $enable_dtrace
2989         Parallel Mark: $enable_parallel_mark
2990         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
2991
2992     Libraries:
2993         Moon Profile:  $with_moonlight
2994         MonoDroid:     $with_monodroid
2995         MonoTouch:     $with_monotouch
2996         JNI support:   $jdk_headers_found
2997         libgdiplus:    $libgdiplus_msg
2998         zlib:          $zlib_msg
2999         $disabled
3000 "
3001 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3002    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3003 fi