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,2.11)
  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$host" == "x$build"; 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                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
  98                 else
  99                         target_win32=yes
 100                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 101                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 102                 fi
 103                 HOST_CC="gcc"
 104                 # Windows 2000 is required that includes Internet Explorer 5.01
 105                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 106                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 107                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 108                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 109                 libdl=
 110                 libgc_threads=win32
 111                 gc_default=included
 112                 with_sigaltstack=no
 113                 LN_S=cp
 114                 # This forces libgc to use the DllMain based thread registration code on win32
 115                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 116                 ;;
 117         *-*-*netbsd*)
 118                 host_win32=no
 119                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 120                 libmono_cflags="-D_REENTRANT"
 121                 LDFLAGS="$LDFLAGS -pthread"
 122                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 123                 libmono_ldflags="-pthread"
 124                 need_link_unlink=yes
 125                 libdl="-ldl"
 126                 libgc_threads=pthreads
 127                 with_sigaltstack=no
 128                 use_sigposix=yes
 129                 ;;
 130         *-*-*freebsd*)
 131                 host_win32=no
 132                 if test "x$PTHREAD_CFLAGS" = "x"; then
 133                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 134                         libmono_cflags=
 135                 else
 136                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 137                         libmono_cflags="$PTHREAD_CFLAGS"
 138                 fi
 139                 if test "x$PTHREAD_LIBS" = "x"; then
 140                         LDFLAGS="$LDFLAGS -pthread"
 141                         libmono_ldflags="-pthread"
 142                 else
 143                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 144                         libmono_ldflags="$PTHREAD_LIBS"
 145                 fi
 146                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 147                 need_link_unlink=yes
 148                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 149                 libdl=
 150                 libgc_threads=pthreads
 151                 # This doesn't seem to work as of 7.0 on amd64
 152                 with_sigaltstack=no
 153 # TLS is only partially implemented on -CURRENT (compiler support
 154 # but NOT library support)
 155 #
 156                 with_tls=pthread
 157                 use_sigposix=yes
 158                 ;;
 159         *-*-*openbsd*)
 160                 host_win32=no
 161                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 162                 if test "x$disable_munmap" != "xyes"; then
 163                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 164                 fi
 165                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 166                 LDFLAGS="$LDFLAGS -pthread"
 167                 need_link_unlink=yes
 168                 AC_DEFINE(PTHREAD_POINTER_ID)
 169                 libdl=
 170                 gc_default=boehm
 171                 libgc_threads=pthreads
 172                 with_sigaltstack=no
 173                 use_sigposix=yes
 174                 ;;
 175         *-*-linux*)
 176                 host_win32=no
 177                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 178                 if test "x$disable_munmap" != "xyes"; then
 179                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 180                 fi
 181                 libmono_cflags="-D_REENTRANT"
 182                 libdl="-ldl"
 183                 libgc_threads=pthreads
 184                 use_sigposix=yes
 185                 ;;
 186         *-*-nacl*)
 187                 host_win32=no
 188                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 189                 if test "x$disable_munmap" != "xyes"; then
 190                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 191                 fi
 192                 libmono_cflags="-D_REENTRANT"
 193                 libdl=
 194                 libgc_threads=pthreads
 195                 gc_default=boehm
 196                 use_sigposix=yes
 197                 ikvm_native=no
 198                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 199                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 200                 ;;
 201         *-*-hpux*)
 202                 host_win32=no
 203                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 204                 # +ESdbgasm only valid on bundled cc on RISC
 205                 # silently ignored for ia64
 206                 if test $GCC != "yes"; then
 207                         CFLAGS="$CFLAGS +ESdbgasm"
 208                         # Arrange for run-time dereferencing of null
 209                         # pointers to produce a SIGSEGV signal.
 210                         LDFLAGS="$LDFLAGS -z"
 211                 fi
 212                 CFLAGS="$CFLAGS +ESdbgasm"
 213                 LDFLAGS="$LDFLAGS -z"
 214                 libmono_cflags="-D_REENTRANT"
 215                 libmono_ldflags="-lpthread"
 216                 libgc_threads=pthreads
 217                 need_link_unlink=yes
 218                 use_sigposix=yes
 219                 ;;
 220         *-*-solaris*)
 221                 host_win32=no
 222                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 223                 need_link_unlink=yes
 224                 libmono_cflags="-D_REENTRANT"
 225                 libgc_threads=pthreads
 226                 # This doesn't seem to work on solaris/x86, but the configure test runs
 227                 with_tls=pthread
 228                 has_dtrace=yes
 229                 use_sigposix=yes
 230                 enable_solaris_tar_check=yes
 231                 ;;
 232         *-*-darwin*)
 233                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 234                 host_win32=no
 235                 platform_darwin=yes
 236                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 237                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 238                 libmono_cflags="-D_THREAD_SAFE"
 239                 LDFLAGS="$LDFLAGS -pthread"
 240                 libmono_ldflags="-pthread"
 241                 need_link_unlink=yes
 242                 AC_DEFINE(PTHREAD_POINTER_ID)
 243                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 244                 no_version_script=yes
 245                 libdl=
 246                 libgc_threads=pthreads
 247                 has_dtrace=yes
 248                 if test "x$cross_compiling" = "xyes"; then
 249                         has_broken_apple_cpp=yes
 250                 fi
 251                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 252                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 253                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 254                 case "$host" in
 255                         dnl Snow Leopard and newer config.guess reports as this
 256                         i*86-*-darwin*)
 257                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
 258                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 259                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 260                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 261                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 262                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 263                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 264                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 265                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 266                                 ;;
 267                 esac
 268                 ;;
 269         *-*-haiku*)
 270                 host_win32=no
 271                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 272                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 273                 libdl=
 274                 LIBS="$LIBS -lnetwork"
 275                 need_link_unlink=yes
 276                 AC_DEFINE(PTHREAD_POINTER_ID)
 277                 libgc_threads=pthreads
 278                 use_sigposix=yes
 279                 ;;
 280         *)
 281                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 282                 host_win32=no
 283                 libdl="-ldl"
 284                 ;;
 285 esac
 286 AC_MSG_RESULT(ok)
 287
 288 if test x$need_link_unlink = xyes; then
 289    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 290 fi
 291
 292 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 293 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 294 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 295 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 296 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 297
 298 AC_CHECK_TOOL(CC, gcc, gcc)
 299 AC_PROG_CC
 300 AC_CHECK_TOOL(CXX, g++, g++)
 301 AC_PROG_CXX
 302 AM_PROG_AS
 303 AM_PROG_CC_STDC
 304 AC_PROG_INSTALL
 305 AC_PROG_AWK
 306 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 307 : ${CCAS='$(CC)'}
 308 # Set ASFLAGS if not already set.
 309 : ${CCASFLAGS='$(CFLAGS)'}
 310 AC_SUBST(CCAS)
 311 AC_SUBST(CCASFLAGS)
 312
 313 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 314 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 315 if test "x$CXX" = "xg++"; then
 316         if test "x$GXX" != "xyes"; then
 317                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 318                 # are inside automake conditionals
 319                 AC_MSG_ERROR([You need to install g++])
 320         fi
 321 fi
 322
 323 AC_CHECK_PROG(BISON, bison,yes,no)
 324 if test "x$BISON" = "xno";
 325 then
 326         AC_MSG_ERROR([You need to install bison])
 327 fi
 328
 329 dnl may require a specific autoconf version
 330 dnl AC_PROG_CC_FOR_BUILD
 331 dnl CC_FOR_BUILD not automatically detected
 332 CC_FOR_BUILD=$CC
 333 CFLAGS_FOR_BUILD=$CFLAGS
 334 BUILD_EXEEXT=
 335 if test "x$cross_compiling" = "xyes"; then
 336         CC_FOR_BUILD=cc
 337         CFLAGS_FOR_BUILD=
 338         BUILD_EXEEXT=""
 339 fi
 340 AC_SUBST(CC_FOR_BUILD)
 341 AC_SUBST(CFLAGS_FOR_BUILD)
 342 AC_SUBST(HOST_CC)
 343 AC_SUBST(BUILD_EXEEXT)
 344
 345 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 346 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 347
 348 # Set STDC_HEADERS
 349 AC_HEADER_STDC
 350 AC_LIBTOOL_WIN32_DLL
 351 # This causes monodis to not link correctly
 352 #AC_DISABLE_FAST_INSTALL
 353 AM_PROG_LIBTOOL
 354 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 355 DOLT
 356
 357 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 358 AC_SUBST(export_ldflags)
 359
 360 # Test whenever ld supports -version-script
 361 AC_PROG_LD
 362 AC_PROG_LD_GNU
 363 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 364    no_version_script=yes
 365 fi
 366
 367 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 368
 369 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)
 370 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)
 371
 372 AC_CHECK_HEADERS(sys/user.h, [], [],
 373 [
 374 #ifdef HAVE_SYS_PARAM_H
 375 # include <sys/param.h>
 376 #endif
 377 ])
 378
 379 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 380 if test x$have_zlib = xyes; then
 381    AC_TRY_COMPILE([#include <zlib.h>], [
 382    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 383    return 0;
 384    #else
 385    #error No good zlib found
 386    #endif
 387    ],[
 388         AC_MSG_RESULT(Using system zlib)
 389         zlib_msg="system zlib"
 390         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 391    ],[
 392         AC_MSG_RESULT(Using embedded zlib)
 393         have_zlib=no
 394         zlib_msg="bundled zlib"
 395    ])
 396 fi
 397
 398 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 399 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 400
 401 # for mono/metadata/debug-symfile.c
 402 AC_CHECK_HEADERS(elf.h)
 403
 404 # for support
 405 AC_CHECK_HEADERS(poll.h)
 406 AC_CHECK_HEADERS(sys/poll.h)
 407 AC_CHECK_HEADERS(sys/wait.h)
 408 AC_CHECK_HEADERS(grp.h)
 409 AC_CHECK_HEADERS(syslog.h)
 410
 411 # for mono/dis
 412 AC_CHECK_HEADERS(wchar.h)
 413 AC_CHECK_HEADERS(ieeefp.h)
 414 AC_MSG_CHECKING(for isinf)
 415 AC_TRY_LINK([#include <math.h>], [
 416         int f = isinf (1);
 417 ], [
 418         AC_MSG_RESULT(yes)
 419         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 420 ], [
 421         # We'll have to use signals
 422         AC_MSG_RESULT(no)
 423 ])
 424
 425
 426 # not 64 bit clean in cross-compile
 427 AC_CHECK_SIZEOF(void *, 4)
 428
 429 WARN=''
 430 if test x"$GCC" = xyes; then
 431         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
 432                 # The runtime code does not respect ANSI C strict aliasing rules
 433                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 434
 435                 ORIG_CFLAGS=$CFLAGS
 436                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 437                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 438                 AC_TRY_COMPILE([], [
 439                                                    void main () { }
 440                 ], [
 441                    AC_MSG_RESULT(yes)
 442                 ], [
 443                    AC_MSG_RESULT(no)
 444                    CFLAGS=$ORIG_CFLAGS
 445                 ])
 446 else
 447         # The Sun Forte compiler complains about inline functions that access static variables
 448         # so disable all inlining.
 449         case "$host" in
 450         *-*-solaris*)
 451                 CFLAGS="$CFLAGS -Dinline="
 452                 ;;
 453         esac
 454 fi
 455 CFLAGS="$CFLAGS -g $WARN"
 456 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 457
 458 # Where's the 'mcs' source tree?
 459 if test -d $srcdir/mcs; then
 460   mcsdir=mcs
 461 else
 462   mcsdir=../mcs
 463 fi
 464
 465 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 466         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 467                 mcsdir=$with_mcs_path
 468         fi
 469 )
 470
 471 #
 472 # A sanity check to catch cases where the package was unpacked
 473 # with an ancient tar program (Solaris)
 474 #
 475 AC_ARG_ENABLE(solaris-tar-check,
 476 [  --disable-solaris-tar-check    disable solaris tar check],
 477    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 478
 479 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 480         AC_MSG_CHECKING(integrity of package)
 481         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 482         then
 483                 AC_MSG_RESULT(ok)
 484         else
 485                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 486                 AC_MSG_ERROR([$errorm])
 487         fi
 488 fi
 489
 490 if test "x$with_mcs_path" != "x"; then
 491 mcs_topdir=$(cd "$mcsdir" && pwd)
 492 mcs_topdir_from_srcdir=$mcs_topdir
 493 else
 494 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 495 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 496 fi
 497
 498 # Convert mcs_topdir* paths to Windows syntax.
 499 if test x$cross_compiling$host_win32 = xnoyes; then
 500   mcs_topdir=$(cygpath -m $mcs_topdir)
 501   case $mcs_topdir_from_srcdir in
 502     /cygdrive/*)
 503         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 504         ;;
 505   esac
 506 fi
 507
 508 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 509 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 510
 511 AC_SUBST([mcs_topdir])
 512 AC_SUBST([mcs_topdir_from_srcdir])
 513
 514 # Where's the 'olive' source tree?
 515 if test -d $srcdir/olive; then
 516   olivedir=olive
 517 else
 518   olivedir=../olive
 519 fi
 520
 521 if test -d $srcdir/$olivedir; then
 522 olive_topdir='$(top_srcdir)/'$olivedir
 523 fi
 524
 525 # gettext: prepare the translation directories.
 526 # we do not configure the full gettext, as we consume it dynamically from C#
 527 AM_PO_SUBDIRS
 528
 529 if test "x$USE_NLS" = "xyes"; then
 530    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 531
 532    if test "x$HAVE_MSGFMT" = "xno"; then
 533           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 534    fi
 535 fi
 536
 537 AC_ARG_WITH([libgdiplus],
 538         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 539         [], [with_libgdiplus=installed])
 540
 541 case $with_libgdiplus in
 542 no|installed) libgdiplus_loc= ;;
 543 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 544 /*) libgdiplus_loc=$with_libgdiplus ;;
 545 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 546 esac
 547 AC_SUBST([libgdiplus_loc])
 548
 549 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 550
 551 pkg_config_path=
 552 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 553         if test x$with_crosspkgdir = "x"; then
 554                 if test -s $PKG_CONFIG_PATH; then
 555                         pkg_config_path=$PKG_CONFIG_PATH
 556                 fi
 557         else
 558                 pkg_config_path=$with_crosspkgdir
 559                 PKG_CONFIG_PATH=$pkg_config_path
 560                 export PKG_CONFIG_PATH
 561         fi
 562 )
 563
 564 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 565 AC_CONFIG_SUBDIRS(eglib)
 566
 567 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 568 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 569 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 570 BUILD_GLIB_LIBS="$GLIB_LIBS"
 571 GMODULE_CFLAGS="$GLIB_CFLAGS"
 572 GMODULE_LIBS="$GLIB_LIBS"
 573
 574 AC_SUBST(GLIB_CFLAGS)
 575 AC_SUBST(GLIB_LIBS)
 576 AC_SUBST(GMODULE_CFLAGS)
 577 AC_SUBST(GMODULE_LIBS)
 578 AC_SUBST(BUILD_GLIB_CFLAGS)
 579 AC_SUBST(BUILD_GLIB_LIBS)
 580
 581 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 582
 583 # Enable support for fast thread-local storage
 584 # Some systems have broken support, so we allow to disable it.
 585 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 586
 587 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 588 # This does not work on some platforms (bug #55253)
 589 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 590
 591 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 592 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 593
 594 if test "x$enable_static" = "xno"; then
 595    with_static_mono=no
 596 fi
 597
 598 if test "x$enable_shared" = "xno"; then
 599    with_shared_mono=no
 600 fi
 601
 602 case $host in
 603 *nacl* ) with_shared_mono=yes;;
 604 esac
 605
 606 if test "x$host_win32" = "xyes"; then
 607    # Boehm GC requires the runtime to be in its own dll
 608    with_static_mono=no
 609 fi
 610
 611 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 612 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 613 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 614
 615 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 616 if test "x$with_xen_opt" = "xyes"; then
 617         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 618         ORIG_CFLAGS=$CFLAGS
 619         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 620         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 621         AC_TRY_COMPILE([], [
 622                                            void main () { }
 623         ], [
 624            AC_MSG_RESULT(yes)
 625            # Pass it to libgc as well
 626            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 627         ], [
 628            AC_MSG_RESULT(no)
 629            CFLAGS=$ORIG_CFLAGS
 630         ])
 631 fi
 632
 633 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
 634 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 635
 636 if test x$enable_small_config = xyes; then
 637         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 638         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 639 fi
 640
 641 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=$enableval, enable_system_aot=default)
 642
 643 DISABLED_FEATURES=none
 644
 645 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 646      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 647      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping.],
 648 [
 649         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 650                 eval "mono_feature_disable_$feature='yes'"
 651         done
 652         DISABLED_FEATURES=$enable_minimal
 653         disabled="Disabled:      $enable_minimal"
 654 ],[])
 655
 656 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 657
 658 if test "x$mono_feature_disable_aot" = "xyes"; then
 659         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 660         AC_MSG_NOTICE([Disabled AOT compiler])
 661 fi
 662
 663 if test "x$mono_feature_disable_profiler" = "xyes"; then
 664         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 665         AC_MSG_NOTICE([Disabled support for the profiler])
 666 fi
 667 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 668
 669 if test "x$mono_feature_disable_decimal" = "xyes"; then
 670         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 671         AC_MSG_NOTICE([Disabled support for decimal])
 672 fi
 673
 674 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 675         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 676         AC_MSG_NOTICE([Disabled support for P/Invoke])
 677 fi
 678
 679 if test "x$mono_feature_disable_debug" = "xyes"; then
 680         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 681         AC_MSG_NOTICE([Disabled support for runtime debugging])
 682 fi
 683
 684 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 685         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 686         mono_feature_disable_reflection_emit_save=yes
 687         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 688 fi
 689
 690 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 691         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 692         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 693 fi
 694
 695 if test "x$mono_feature_disable_large_code" = "xyes"; then
 696         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 697         AC_MSG_NOTICE([Disabled support for large assemblies])
 698 fi
 699
 700 if test "x$mono_feature_disable_logging" = "xyes"; then
 701         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 702         AC_MSG_NOTICE([Disabled support for logging])
 703 fi
 704
 705 if test "x$mono_feature_disable_com" = "xyes"; then
 706         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 707         AC_MSG_NOTICE([Disabled COM support])
 708 fi
 709
 710 if test "x$mono_feature_disable_ssa" = "xyes"; then
 711         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 712         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 713 fi
 714
 715 if test "x$mono_feature_disable_generics" = "xyes"; then
 716         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 717         AC_MSG_NOTICE([Disabled Generics Support])
 718 fi
 719
 720 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 721         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 722         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 723 fi
 724
 725 if test "x$mono_feature_disable_portability" = "xyes"; then
 726         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 727         AC_MSG_NOTICE([Disabled IO Portability layer])
 728 fi
 729
 730 if test "x$mono_feature_disable_attach" = "xyes"; then
 731         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 732         AC_MSG_NOTICE([Disabled agent attach])
 733 fi
 734
 735 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 736         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 737         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 738 fi
 739
 740 if test "x$mono_feature_disable_verifier" = "xyes"; then
 741         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 742         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 743 fi
 744
 745 if test "x$mono_feature_disable_jit" = "xyes"; then
 746         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 747         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 748 fi
 749
 750 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 751
 752 if test "x$mono_feature_disable_simd" = "xyes"; then
 753         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 754         AC_MSG_NOTICE([Disabled SIMD support])
 755 fi
 756
 757 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 758         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 759         AC_MSG_NOTICE([Disabled Soft Debugger.])
 760 fi
 761
 762 if test "x$mono_feature_disable_normalization" = "xyes"; then
 763         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 764         AC_MSG_NOTICE([Disabled String normalization support.])
 765 fi
 766
 767 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 768         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 769         AC_MSG_NOTICE([Disabled Assembly remapping.])
 770 fi
 771
 772 AC_MSG_CHECKING(for visibility __attribute__)
 773 AC_TRY_COMPILE([], [
 774    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 775    void main () { doit (); }
 776 ], [
 777    have_visibility_hidden=yes
 778    AC_MSG_RESULT(yes)
 779 ], [
 780    have_visibility_hidden=no
 781    AC_MSG_RESULT(no)
 782 ])
 783
 784 AC_MSG_CHECKING(for deprecated __attribute__)
 785 AC_TRY_COMPILE([
 786      int doit (void) __attribute__ ((deprecated));
 787      int doit (void) { return 0; }
 788 ], [
 789         return 0;
 790 ], [
 791    have_deprecated=yes
 792    AC_MSG_RESULT(yes)
 793 ], [
 794    have_deprecated=no
 795    AC_MSG_RESULT(no)
 796 ])
 797
 798 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 799 if test x$enable_parallel_mark = xyes; then
 800         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 801 fi
 802
 803 dnl
 804 dnl Boehm GC configuration
 805 dnl
 806 LIBGC_CFLAGS=
 807 LIBGC_LIBS=
 808 LIBGC_STATIC_LIBS=
 809 libgc_dir=
 810 case "x$gc" in
 811         xboehm|xbohem|xyes)
 812                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 813                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 814
 815                 if test "x$found_boehm" != "xyes"; then
 816                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 817                 fi
 818                 if test "x$gc_headers" != "xyes"; then
 819                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 820                 fi
 821
 822                 LIBGC_LIBS="-lgc $libdl"
 823                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 824                 libmono_ldflags="$libmono_ldflags -lgc"
 825                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 826
 827                 # AC_CHECK_FUNCS does not work for some reason...
 828                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 829                 if test "x$found_gcj_malloc" = "xyes"; then
 830                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 831                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 832                         gc_msg="System Boehm with typed GC"
 833                 else
 834                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 835                         gc_msg="System Boehm (without typed GC)"
 836                 fi
 837                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 838                 if test "x$found_gc_enable" = "xyes"; then
 839                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 840                 fi
 841
 842                 # check whether we need to explicitly allow
 843                 # thread registering
 844                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 845                 if test "x$found_allow_register_threads" = "xyes"; then
 846                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 847                 fi
 848
 849                 ;;
 850
 851         xincluded)
 852                 use_included_gc=yes
 853                 libgc_dir=libgc
 854
 855                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 856                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 857                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 858
 859                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
 860
 861                 gc_msg="bundled Boehm GC with typed GC"
 862                 if test x$enable_parallel_mark = xyes; then
 863                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 864                         gc_msg="$gc_msg and parallel mark"
 865                 else
 866                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 867                 fi
 868                 ;;
 869
 870         xsgen)
 871                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
 872                 ;;
 873
 874         xnone)
 875                 AC_MSG_WARN("Compiling mono without GC.")
 876                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
 877                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 878                 ;;
 879         *)
 880                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 881                 ;;
 882 esac
 883
 884 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
 885 if test "x$large_heap" = "xyes"; then
 886    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 887 fi
 888
 889 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 890 AC_SUBST(LIBGC_CFLAGS)
 891 AC_SUBST(LIBGC_LIBS)
 892 AC_SUBST(LIBGC_STATIC_LIBS)
 893 AC_SUBST(libgc_dir)
 894 AC_SUBST(BOEHM_DEFINES)
 895
 896 dnl
 897 dnl End of libgc checks
 898 dnl
 899
 900 dnl *************************************
 901 dnl *** Checks for zero length arrays ***
 902 dnl *************************************
 903 AC_MSG_CHECKING(whether $CC supports zero length arrays)
 904 AC_TRY_COMPILE([
 905         struct s {
 906                 int  length;
 907                 char data [0];
 908         };
 909 ], [], [
 910         AC_MSG_RESULT(yes)
 911         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
 912 ], [
 913         AC_MSG_RESULT(no)
 914         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
 915 ])
 916
 917 if test x$target_win32 = xno; then
 918
 919         dnl hires monotonic clock support
 920         AC_SEARCH_LIBS(clock_gettime, rt)
 921
 922         dnl dynamic loader support
 923         AC_CHECK_FUNC(dlopen, DL_LIB="",
 924                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 925         )
 926         if test x$dl_support = xno; then
 927                 AC_MSG_WARN([No dynamic loading support available])
 928         else
 929                 LIBS="$LIBS $DL_LIB"
 930                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 931                 dnl from glib's configure.in
 932                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 933                         mono_cv_uscore,[
 934                         AC_TRY_RUN([#include <dlfcn.h>
 935                         int mono_underscore_test (void) { return 42; }
 936                         int main() {
 937                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 938                           handle = dlopen ((void*)0, 0);
 939                           if (handle) {
 940                             f1 = dlsym (handle, "mono_underscore_test");
 941                             f2 = dlsym (handle, "_mono_underscore_test");
 942                           } return (!f2 || f1);
 943                         }],
 944                                 [mono_cv_uscore=yes],
 945                                 [mono_cv_uscore=no],
 946                         [])
 947                 ])
 948                 if test "x$mono_cv_uscore" = "xyes"; then
 949                         MONO_DL_NEED_USCORE=1
 950                 else
 951                         MONO_DL_NEED_USCORE=0
 952                 fi
 953                 AC_SUBST(MONO_DL_NEED_USCORE)
 954                 AC_CHECK_FUNC(dlerror)
 955         fi
 956
 957         dnl ******************************************************************
 958         dnl *** Checks for the IKVM JNI interface library                  ***
 959         dnl ******************************************************************
 960         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])
 961
 962         ikvm_native_dir=
 963         if test x$with_ikvm_native = xyes; then
 964                 ikvm_native_dir=ikvm-native
 965                 jdk_headers_found="IKVM Native"
 966         fi
 967
 968         AC_SUBST(ikvm_native_dir)
 969
 970         AC_CHECK_HEADERS(execinfo.h)
 971
 972         AC_CHECK_FUNCS(getgrgid_r)
 973         AC_CHECK_FUNCS(getgrnam_r)
 974         AC_CHECK_FUNCS(getpwnam_r)
 975         AC_CHECK_FUNCS(getpwuid_r)
 976         AC_CHECK_FUNCS(getresuid)
 977         AC_CHECK_FUNCS(setresuid)
 978         AC_CHECK_FUNCS(kqueue)
 979         AC_CHECK_FUNCS(backtrace_symbols)
 980         AC_CHECK_FUNCS(mkstemp)
 981         AC_CHECK_FUNCS(mmap)
 982         AC_CHECK_FUNCS(madvise)
 983         AC_CHECK_FUNCS(getrusage)
 984         AC_CHECK_FUNCS(getpriority)
 985         AC_CHECK_FUNCS(setpriority)
 986         AC_CHECK_FUNCS(dl_iterate_phdr)
 987         AC_CHECK_FUNCS(dladdr)
 988         AC_CHECK_FUNCS(sysconf)
 989
 990         AC_CHECK_FUNCS(sched_setaffinity)
 991         AC_CHECK_FUNCS(sched_getcpu)
 992
 993         dnl ****************************************************************
 994         dnl *** Check for sched_setaffinity from glibc versions before   ***
 995         dnl *** 2.3.4. The older versions of the function only take 2    ***
 996         dnl *** parameters, not 3.                                       ***
 997         dnl ***                                                          ***
 998         dnl *** Because the interface change was not made in a minor     ***
 999         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1000         dnl *** won't always indicate the interface sched_affinity has.  ***
1001         dnl ****************************************************************
1002         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1003         AC_TRY_COMPILE([#include <sched.h>], [
1004                 int main() {
1005             int mask = 1;
1006             sched_setaffinity(0, &mask);
1007         }
1008         ], [
1009                 # Yes, we have it...
1010                 AC_MSG_RESULT(yes)
1011                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1012         ], [
1013                 # We have the new, three-parameter version
1014                 AC_MSG_RESULT(no)
1015         ])
1016
1017
1018         dnl ******************************************************************
1019         dnl *** Check for large file support                               ***
1020         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1021         dnl ******************************************************************
1022
1023         # Check that off_t can represent 2**63 - 1 correctly, working around
1024         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1025         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1026         large_offt=no
1027         AC_DEFUN([LARGE_FILES], [
1028                 large_CPPFLAGS=$CPPFLAGS
1029                 CPPFLAGS="$CPPFLAGS $1"
1030                 AC_TRY_RUN([
1031                         #include <sys/types.h>
1032
1033                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
1034
1035                         int main(void) {
1036                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
1037                                                (BIG_OFF_T%2147483647==1));
1038                                 if(big_off_t) {
1039                                         exit(0);
1040                                 } else {
1041                                         exit(1);
1042                                 }
1043                         }
1044                 ], [
1045                         AC_MSG_RESULT(ok)
1046                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1047                         large_CPPFLAGS="$large_CPPFLAGS $1"
1048                         large_offt=yes
1049                 ], [
1050                         AC_MSG_RESULT(no)
1051                 ], "")
1052                 CPPFLAGS=$large_CPPFLAGS
1053         ])
1054
1055         AC_MSG_CHECKING(if off_t is 64 bits wide)
1056         LARGE_FILES("")
1057         if test $large_offt = no; then
1058                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1059                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1060         fi
1061         if test $large_offt = no; then
1062                 AC_MSG_WARN([No 64 bit file size support available])
1063         fi
1064
1065         dnl *****************************
1066         dnl *** Checks for libsocket  ***
1067         dnl *****************************
1068         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1069
1070         dnl *******************************
1071         dnl *** Checks for MSG_NOSIGNAL ***
1072         dnl *******************************
1073         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1074         AC_TRY_COMPILE([#include <sys/socket.h>], [
1075                 int f = MSG_NOSIGNAL;
1076         ], [
1077                 # Yes, we have it...
1078                 AC_MSG_RESULT(yes)
1079                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1080         ], [
1081                 # We'll have to use signals
1082                 AC_MSG_RESULT(no)
1083         ])
1084
1085         dnl *****************************
1086         dnl *** Checks for SOL_IP     ***
1087         dnl *****************************
1088         AC_MSG_CHECKING(for SOL_IP)
1089         AC_TRY_COMPILE([#include <netdb.h>], [
1090                 int level = SOL_IP;
1091         ], [
1092                 # Yes, we have it...
1093                 AC_MSG_RESULT(yes)
1094                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1095         ], [
1096                 # We'll have to use getprotobyname
1097                 AC_MSG_RESULT(no)
1098         ])
1099
1100         dnl *****************************
1101         dnl *** Checks for SOL_IPV6     ***
1102         dnl *****************************
1103         AC_MSG_CHECKING(for SOL_IPV6)
1104         AC_TRY_COMPILE([#include <netdb.h>], [
1105                 int level = SOL_IPV6;
1106         ], [
1107                 # Yes, we have it...
1108                 AC_MSG_RESULT(yes)
1109                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1110         ], [
1111                 # We'll have to use getprotobyname
1112                 AC_MSG_RESULT(no)
1113         ])
1114
1115         dnl *****************************
1116         dnl *** Checks for SOL_TCP    ***
1117         dnl *****************************
1118         AC_MSG_CHECKING(for SOL_TCP)
1119         AC_TRY_COMPILE([#include <netdb.h>], [
1120                 int level = SOL_TCP;
1121         ], [
1122                 # Yes, we have it...
1123                 AC_MSG_RESULT(yes)
1124                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1125         ], [
1126                 # We'll have to use getprotobyname
1127                 AC_MSG_RESULT(no)
1128         ])
1129
1130         dnl *****************************
1131         dnl *** Checks for IP_PKTINFO ***
1132         dnl *****************************
1133         AC_MSG_CHECKING(for IP_PKTINFO)
1134         AC_TRY_COMPILE([#include <netdb.h>], [
1135                 int level = IP_PKTINFO;
1136         ], [
1137                 # Yes, we have it...
1138                 AC_MSG_RESULT(yes)
1139                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1140         ], [
1141                 AC_MSG_RESULT(no)
1142         ])
1143
1144         dnl *****************************
1145         dnl *** Checks for IPV6_PKTINFO ***
1146         dnl *****************************
1147         AC_MSG_CHECKING(for IPV6_PKTINFO)
1148         AC_TRY_COMPILE([#include <netdb.h>], [
1149                 int level = IPV6_PKTINFO;
1150         ], [
1151                 # Yes, we have it...
1152                 AC_MSG_RESULT(yes)
1153                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1154         ], [
1155                 AC_MSG_RESULT(no)
1156         ])
1157
1158         dnl **********************************
1159         dnl *** Checks for IP_DONTFRAGMENT ***
1160         dnl **********************************
1161         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1162         AC_TRY_COMPILE([#include <netdb.h>], [
1163                 int level = IP_DONTFRAGMENT;
1164         ], [
1165                 # Yes, we have it...
1166                 AC_MSG_RESULT(yes)
1167                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1168         ], [
1169                 AC_MSG_RESULT(no)
1170         ])
1171
1172         dnl **********************************
1173         dnl *** Checks for IP_MTU_DISCOVER ***
1174         dnl **********************************
1175         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1176         AC_TRY_COMPILE([#include <netdb.h>], [
1177                 int level = IP_MTU_DISCOVER;
1178         ], [
1179                 # Yes, we have it...
1180                 AC_MSG_RESULT(yes)
1181                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1182         ], [
1183                 AC_MSG_RESULT(no)
1184         ])
1185
1186         dnl *********************************
1187         dnl *** Check for struct ip_mreqn ***
1188         dnl *********************************
1189         AC_MSG_CHECKING(for struct ip_mreqn)
1190         AC_TRY_COMPILE([#include <netinet/in.h>], [
1191                 struct ip_mreqn mreq;
1192                 mreq.imr_address.s_addr = 0;
1193         ], [
1194                 # Yes, we have it...
1195                 AC_MSG_RESULT(yes)
1196                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1197         ], [
1198                 # We'll just have to try and use struct ip_mreq
1199                 AC_MSG_RESULT(no)
1200                 AC_MSG_CHECKING(for struct ip_mreq)
1201                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1202                         struct ip_mreq mreq;
1203                         mreq.imr_interface.s_addr = 0;
1204                 ], [
1205                         # Yes, we have it...
1206                         AC_MSG_RESULT(yes)
1207                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1208                 ], [
1209                         # No multicast support
1210                         AC_MSG_RESULT(no)
1211                 ])
1212         ])
1213
1214         dnl **********************************
1215         dnl *** Check for gethostbyname2_r ***
1216         dnl **********************************
1217         AC_MSG_CHECKING(for gethostbyname2_r)
1218                 AC_TRY_LINK([#include <netdb.h>], [
1219                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1220         ], [
1221                 # Yes, we have it...
1222                 AC_MSG_RESULT(yes)
1223                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1224         ], [
1225                 AC_MSG_RESULT(no)
1226         ])
1227
1228         dnl *****************************
1229         dnl *** Checks for libnsl     ***
1230         dnl *****************************
1231         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1232
1233         AC_CHECK_FUNCS(inet_pton inet_aton)
1234
1235         dnl ***********************************************
1236         dnl *** Checks for size of sockaddr_un.sun_path ***
1237         dnl ***********************************************
1238         # AC_CHECK_SIZEOF can't cope with struct members :-(
1239         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1240         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1241                 [AC_TRY_RUN([
1242                         #include <sys/types.h>
1243                         #include <stdio.h>
1244                         #include <sys/un.h>
1245
1246                         int main(void) {
1247                                 struct sockaddr_un sock_un;
1248                                 FILE *f=fopen("conftestval", "w");
1249                                 if(!f) exit(1);
1250                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1251                                 exit(0);
1252                         }
1253                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1254                    mono_cv_sizeof_sunpath=0,
1255                    mono_cv_sizeof_sunpath=0)])dnl
1256         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1257         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1258
1259         dnl *****************************
1260         dnl *** Checks for libxnet    ***
1261         dnl *****************************
1262         case "${host}" in
1263                 *solaris* )
1264                         AC_MSG_CHECKING(for Solaris XPG4 support)
1265                         if test -f /usr/lib/libxnet.so; then
1266                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1267                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1268                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1269                                 LIBS="$LIBS -lxnet"
1270                                 AC_MSG_RESULT(yes)
1271                         else
1272                                 AC_MSG_RESULT(no)
1273                         fi
1274
1275                         if test "$GCC" = "yes"; then
1276                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1277                         fi
1278                 ;;
1279         esac
1280
1281         dnl *****************************
1282         dnl *** Checks for libpthread ***
1283         dnl *****************************
1284 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1285 # and libpthread does not exist
1286 #
1287         case "${host}" in
1288                 *-*-*freebsd*)
1289                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1290                 ;;
1291                 *-*-*openbsd*)
1292                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1293                 ;;
1294                 *)
1295                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1296                 ;;
1297         esac
1298         AC_CHECK_HEADERS(pthread.h)
1299         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1300         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1301         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1302         AC_TRY_COMPILE([ #include <pthread.h>], [
1303                 pthread_mutexattr_t attr;
1304                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1305         ], [
1306                 AC_MSG_RESULT(ok)
1307         ], [
1308                 AC_MSG_RESULT(no)
1309                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1310                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1311         ])
1312         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1313         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1314         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1315
1316         dnl ***********************************
1317         dnl *** Checks for signals
1318         dnl ***********************************
1319         AC_CHECK_HEADERS(signal.h)
1320         AC_CHECK_FUNCS(sigaction)
1321
1322         dnl ***********************************
1323         dnl *** Checks for working __thread ***
1324         dnl ***********************************
1325         AC_MSG_CHECKING(for working __thread)
1326         if test "x$with_tls" != "x__thread"; then
1327                 AC_MSG_RESULT(disabled)
1328         else
1329                 AC_TRY_RUN([
1330                         #include <pthread.h>
1331                         __thread int i;
1332                         static int res1, res2;
1333
1334                         void thread_main (void *arg)
1335                         {
1336                                 i = arg;
1337                                 sleep (1);
1338                                 if (arg == 1)
1339                                         res1 = (i == arg);
1340                                 else
1341                                         res2 = (i == arg);
1342                         }
1343
1344                         int main () {
1345                                 pthread_t t1, t2;
1346
1347                                 i = 5;
1348
1349                                 pthread_create (&t1, NULL, thread_main, 1);
1350                                 pthread_create (&t2, NULL, thread_main, 2);
1351
1352                                 pthread_join (t1, NULL);
1353                                 pthread_join (t2, NULL);
1354
1355                                 return !(res1 + res2 == 2);
1356                         }
1357                 ], [
1358                                 AC_MSG_RESULT(yes)
1359                 ], [
1360                                 AC_MSG_RESULT(no)
1361                                 with_tls=pthread
1362                 ])
1363         fi
1364
1365         dnl **************************************
1366         dnl *** Checks for working sigaltstack ***
1367         dnl **************************************
1368         AC_MSG_CHECKING(for working sigaltstack)
1369         if test "x$with_sigaltstack" != "xyes"; then
1370                 AC_MSG_RESULT(disabled)
1371         else
1372                 AC_TRY_RUN([
1373                         #include <stdio.h>
1374                         #include <stdlib.h>
1375                         #include <unistd.h>
1376                         #include <signal.h>
1377                         #include <pthread.h>
1378                         #include <sys/wait.h>
1379                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1380                         #define SA_STACK SA_ONSTACK
1381                         #endif
1382                         static void
1383                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1384                         {
1385                                 exit (0);
1386                         }
1387
1388                         static void *
1389                         loop (void *ignored)
1390                         {
1391                                 char *ptr = NULL;
1392
1393                                 *ptr = 0;
1394                                 return NULL;
1395                         }
1396
1397                         static void
1398                         child ()
1399                         {
1400                                 struct sigaction sa;
1401                                 struct sigaltstack sas;
1402                                 pthread_t id;
1403                                 pthread_attr_t attr;
1404
1405                                 sa.sa_sigaction = sigsegv_signal_handler;
1406                                 sigemptyset (&sa.sa_mask);
1407                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1408                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1409                                         perror ("sigaction");
1410                                         return;
1411                                 }
1412
1413                                 sas.ss_sp = malloc (SIGSTKSZ);
1414                                 sas.ss_size = SIGSTKSZ;
1415                                 sas.ss_flags = 0;
1416                                 if (sigaltstack (&sas, NULL) == -1) {
1417                                         perror ("sigaltstack");
1418                                         return;
1419                                 }
1420
1421                                 pthread_attr_init (&attr);
1422                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1423                                         printf ("pthread_create\n");
1424                                         return;
1425                                 }
1426
1427                                 sleep (100);
1428                         }
1429
1430                         int
1431                         main ()
1432                         {
1433                                 pid_t son;
1434                                 int status;
1435                                 int i;
1436
1437                                 son = fork ();
1438                                 if (son == -1) {
1439                                         return 1;
1440                                 }
1441
1442                                 if (son == 0) {
1443                                         child ();
1444                                         return 0;
1445                                 }
1446
1447                                 for (i = 0; i < 3; ++i) {
1448                                         sleep (1);
1449                                         waitpid (son, &status, WNOHANG);
1450                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1451                                                 return 0;
1452                                 }
1453
1454                                 kill (son, SIGKILL);
1455                                 return 1;
1456                         }
1457
1458                 ], [
1459                                 AC_MSG_RESULT(yes)
1460                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1461                 ], [
1462                                 with_sigaltstack=no
1463                                 AC_MSG_RESULT(no)
1464                 ])
1465         fi
1466
1467         dnl ********************************
1468         dnl *** Checks for semaphore lib ***
1469         dnl ********************************
1470         # 'Real Time' functions on Solaris
1471         # posix4 on Solaris 2.6
1472         # pthread (first!) on Linux
1473         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1474
1475         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1476         AC_CHECK_FUNCS(shm_open)
1477
1478         dnl ********************************
1479         dnl *** Checks for timezone stuff **
1480         dnl ********************************
1481         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1482                 AC_TRY_COMPILE([
1483                         #include <time.h>
1484                         ], [
1485                         struct tm tm;
1486                         tm.tm_gmtoff = 1;
1487                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1488         if test $ac_cv_struct_tm_gmtoff = yes; then
1489                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1490         else
1491                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1492                         AC_TRY_COMPILE([
1493                                 #include <time.h>
1494                         ], [
1495                                 timezone = 1;
1496                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1497                 if test $ac_cv_var_timezone = yes; then
1498                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1499                 else
1500                         AC_ERROR(unable to find a way to determine timezone)
1501                 fi
1502         fi
1503
1504         dnl *********************************
1505         dnl *** Checks for math functions ***
1506         dnl *********************************
1507         AC_SEARCH_LIBS(sqrtf, m)
1508         if test "x$has_broken_apple_cpp" != "xyes"; then
1509                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1510                         AC_TRY_LINK([#include <math.h>],
1511                         [ finite(0.0); ],
1512                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1513                         AC_MSG_RESULT(no)))
1514         fi
1515         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1516                 AC_TRY_LINK([#include <math.h>],
1517                 [ isfinite(0.0); ],
1518                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1519                 AC_MSG_RESULT(no)))
1520
1521         dnl ****************************************************************
1522         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1523         dnl *** have it in the library (duh))                            ***
1524         dnl ****************************************************************
1525         AC_CHECK_FUNCS(poll)
1526
1527         dnl *************************
1528         dnl *** Check for signbit ***
1529         dnl *************************
1530         AC_MSG_CHECKING(for signbit)
1531         AC_TRY_LINK([#include <math.h>], [
1532                 int s = signbit(1.0);
1533         ], [
1534                 AC_MSG_RESULT(yes)
1535                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1536         ], [
1537                 AC_MSG_RESULT(no)
1538         ])
1539
1540         dnl **********************************
1541         dnl *** epoll                      ***
1542         dnl **********************************
1543         AC_CHECK_HEADERS(sys/epoll.h)
1544         haveepoll=no
1545         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1546         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1547                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1548         fi
1549
1550         havekqueue=no
1551         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1552                 AC_TRY_LINK([#include <sys/event.h>],
1553                 [ kqueue(); ],
1554                 AC_DEFINE(HAVE_KQUEUE, 1, [Have kqueue]) AC_MSG_RESULT(yes),
1555                 AC_MSG_RESULT(no)))
1556         dnl ******************************
1557         dnl *** Checks for SIOCGIFCONF ***
1558         dnl ******************************
1559         AC_CHECK_HEADERS(sys/ioctl.h)
1560         AC_CHECK_HEADERS(net/if.h, [], [],
1561            [
1562            #ifdef HAVE_SYS_TYPES_H
1563            # include <sys/types.h>
1564            #endif
1565            #ifdef HAVE_SYS_SOCKET_H
1566            # include <sys/socket.h>
1567            #endif
1568            ])
1569         AC_MSG_CHECKING(for ifreq)
1570         AC_TRY_COMPILE([
1571                 #include <stdio.h>
1572                 #include <sys/ioctl.h>
1573                 #include <net/if.h>
1574                 ], [
1575                 struct ifconf ifc;
1576                 struct ifreq *ifr;
1577                 void *x;
1578                 ifc.ifc_len = 0;
1579                 ifc.ifc_buf = NULL;
1580                 x = (void *) &ifr->ifr_addr;
1581                 ],[
1582                         AC_MSG_RESULT(yes)
1583                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1584                 ], [
1585                         AC_MSG_RESULT(no)
1586                 ])
1587         dnl **********************************
1588         dnl ***     Checks for sin_len     ***
1589         dnl **********************************
1590         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1591         AC_TRY_COMPILE([
1592                 #include <netinet/in.h>
1593                 ], [
1594                 struct sockaddr_in saddr;
1595                 saddr.sin_len = sizeof (saddr);
1596                 ],[
1597                         AC_MSG_RESULT(yes)
1598                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1599                 ], [
1600                         AC_MSG_RESULT(no)
1601                 ])
1602         dnl **********************************
1603         dnl ***    Checks for sin6_len     ***
1604         dnl **********************************
1605         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1606         AC_TRY_COMPILE([
1607                 #include <netinet/in.h>
1608                 ], [
1609                 struct sockaddr_in6 saddr6;
1610                 saddr6.sin6_len = sizeof (saddr6);
1611                 ],[
1612                         AC_MSG_RESULT(yes)
1613                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1614                 ], [
1615                         AC_MSG_RESULT(no)
1616                 ])
1617         dnl **********************************
1618         dnl *** Checks for MonoPosixHelper ***
1619         dnl **********************************
1620         AC_CHECK_HEADERS(checklist.h)
1621         AC_CHECK_HEADERS(pathconf.h)
1622         AC_CHECK_HEADERS(fstab.h)
1623         AC_CHECK_HEADERS(attr/xattr.h)
1624         AC_CHECK_HEADERS(sys/extattr.h)
1625         AC_CHECK_HEADERS(sys/sendfile.h)
1626         AC_CHECK_HEADERS(sys/statvfs.h)
1627         AC_CHECK_HEADERS(sys/statfs.h)
1628         AC_CHECK_HEADERS(sys/vfstab.h)
1629         AC_CHECK_HEADERS(sys/xattr.h)
1630         AC_CHECK_HEADERS(sys/mman.h)
1631         AC_CHECK_HEADERS(sys/param.h)
1632         AC_CHECK_HEADERS(sys/mount.h, [], [],
1633                 [
1634                 #ifdef HAVE_SYS_PARAM_H
1635                 # include <sys/param.h>
1636                 #endif
1637                 ])
1638         AC_CHECK_HEADERS(sys/mount.h)
1639         AC_CHECK_FUNCS(confstr)
1640         AC_CHECK_FUNCS(seekdir telldir)
1641         AC_CHECK_FUNCS(getdomainname)
1642         AC_CHECK_FUNCS(setdomainname)
1643         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1644         AC_CHECK_FUNCS(setgroups)
1645         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1646         AC_CHECK_FUNCS(getfsstat)
1647         AC_CHECK_FUNCS(lutimes futimes)
1648         AC_CHECK_FUNCS(mremap)
1649         AC_CHECK_FUNCS(remap_file_pages)
1650         AC_CHECK_FUNCS(posix_fadvise)
1651         AC_CHECK_FUNCS(posix_fallocate)
1652         AC_CHECK_FUNCS(posix_madvise)
1653         AC_CHECK_FUNCS(vsnprintf)
1654         AC_CHECK_FUNCS(sendfile)
1655         AC_CHECK_FUNCS(gethostid sethostid)
1656         AC_CHECK_FUNCS(sethostname)
1657         AC_CHECK_FUNCS(statfs)
1658         AC_CHECK_FUNCS(fstatfs)
1659         AC_CHECK_FUNCS(statvfs)
1660         AC_CHECK_FUNCS(fstatvfs)
1661         AC_CHECK_FUNCS(stime)
1662         AC_CHECK_FUNCS(strerror_r)
1663         AC_CHECK_FUNCS(ttyname_r)
1664         AC_CHECK_FUNCS(psignal)
1665         AC_CHECK_FUNCS(getlogin_r)
1666         AC_CHECK_FUNCS(lockf)
1667         AC_CHECK_FUNCS(swab)
1668         AC_CHECK_FUNCS(setusershell endusershell)
1669         AC_CHECK_SIZEOF(size_t)
1670         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1671                 [#include <sys/types.h>
1672                  #include <sys/stat.h>
1673                  #include <unistd.h>])
1674         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1675                 [#include <sys/types.h>
1676                  #include <sys/stat.h>
1677                  #include <unistd.h>])
1678         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1679                 [#include <sys/time.h>])
1680         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1681                 [#include <unistd.h>
1682                  #include <fcntl.h>])
1683         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1684                 [#include <sys/poll.h>])
1685         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1686                 [#include <sys/types.h>
1687                  #include <sys/stat.h>
1688                  #include <unistd.h>])
1689         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1690                 [#include <time.h>])
1691         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1692                 [#include <sys/time.h>
1693                  #include <sys/types.h>
1694                  #include <utime.h>])
1695         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1696                 [#include <sys/time.h>])
1697         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1698                 [#include <sys/types.h>
1699                  #include <utime.h>])
1700         AC_CHECK_MEMBERS(
1701                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1702                 [#include <sys/types.h>
1703                  #include <dirent.h>])
1704         AC_CHECK_MEMBERS(
1705                 [struct passwd.pw_gecos],,,
1706                 [#include <sys/types.h>
1707                  #include <pwd.h>])
1708         AC_CHECK_MEMBERS(
1709                 [struct statfs.f_flags],,,
1710                 [#include <sys/types.h>
1711                  #include <sys/vfs.h>])
1712
1713         dnl Favour xattr through glibc, but use libattr if we have to
1714         AC_CHECK_FUNC(lsetxattr, ,
1715                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1716         )
1717         AC_SUBST(XATTR_LIB)
1718
1719         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1720         AC_CHECK_MEMBERS(
1721                 [struct kinfo_proc.kp_proc],,,
1722                 [#include <sys/types.h>
1723                  #include <sys/param.h>
1724                  #include <sys/sysctl.h>
1725                  #include <sys/proc.h>
1726                  ])
1727
1728         dnl *********************************
1729         dnl *** Checks for Windows compilation ***
1730         dnl *********************************
1731         AC_CHECK_HEADERS(sys/time.h)
1732         AC_CHECK_HEADERS(sys/param.h)
1733         AC_CHECK_HEADERS(dirent.h)
1734
1735         dnl *********************************
1736         dnl *** Check for Console 2.0 I/O ***
1737         dnl *********************************
1738         AC_CHECK_HEADERS([curses.h])
1739         AC_CHECK_HEADERS([term.h], [], [],
1740         [#if HAVE_CURSES_H
1741          #include <curses.h>
1742          #endif
1743         ])
1744         AC_CHECK_HEADERS([termios.h])
1745
1746         dnl * This is provided in io-layer, but on windows it's only available
1747         dnl * on xp+
1748         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1749 else
1750         dnl *********************************
1751         dnl *** Checks for Windows compilation ***
1752         dnl *********************************
1753         AC_CHECK_HEADERS(winternl.h)
1754
1755         jdk_headers_found=no
1756         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1757         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1758         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1759         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1760         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1761         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1762         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1763
1764         dnl *********************************
1765         dnl *** Check for struct ip_mreqn ***
1766         dnl *********************************
1767         AC_MSG_CHECKING(for struct ip_mreqn)
1768         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1769                 struct ip_mreqn mreq;
1770                 mreq.imr_address.s_addr = 0;
1771         ], [
1772                 # Yes, we have it...
1773                 AC_MSG_RESULT(yes)
1774                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1775         ], [
1776                 # We'll just have to try and use struct ip_mreq
1777                 AC_MSG_RESULT(no)
1778                 AC_MSG_CHECKING(for struct ip_mreq)
1779                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1780                         struct ip_mreq mreq;
1781                         mreq.imr_interface.s_addr = 0;
1782                 ], [
1783                         # Yes, we have it...
1784                         AC_MSG_RESULT(yes)
1785                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1786                 ], [
1787                         # No multicast support
1788                         AC_MSG_RESULT(no)
1789                 ])
1790         ])
1791         AC_CHECK_FUNCS(GetProcessId)
1792 fi
1793
1794 dnl socklen_t check
1795 AC_MSG_CHECKING(for socklen_t)
1796 AC_TRY_COMPILE([
1797 #include <sys/types.h>
1798 #include <sys/socket.h>
1799 ],[
1800   socklen_t foo;
1801 ],[
1802 ac_cv_c_socklen_t=yes
1803         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1804         AC_MSG_RESULT(yes)
1805 ],[
1806         AC_MSG_RESULT(no)
1807 ])
1808
1809 AC_MSG_CHECKING(for array element initializer support)
1810 AC_TRY_COMPILE([#include <sys/socket.h>], [
1811         const int array[] = {[1] = 2,};
1812 ], [
1813         # Yes, we have it...
1814         AC_MSG_RESULT(yes)
1815         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1816 ], [
1817         # We'll have to use signals
1818         AC_MSG_RESULT(no)
1819 ])
1820
1821 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1822         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1823         AC_TRY_LINK([#include <math.h>],
1824         [ static void *p = &trunc; ],
1825         [
1826                 AC_DEFINE(HAVE_TRUNC)
1827                 AC_MSG_RESULT(yes)
1828                 ac_cv_trunc=yes
1829         ],
1830         AC_MSG_RESULT(no)))
1831
1832 if test "x$ac_cv_truncl" != "xyes"; then
1833    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1834 fi
1835
1836 AC_CHECK_FUNCS(round)
1837 AC_CHECK_FUNCS(rint)
1838 AC_CHECK_FUNCS(execvp)
1839
1840 dnl ****************************
1841 dnl *** Look for /dev/random ***
1842 dnl ****************************
1843
1844 AC_MSG_CHECKING([if usage of random device is requested])
1845 AC_ARG_ENABLE(dev-random,
1846 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1847 try_dev_random=$enableval, try_dev_random=yes)
1848
1849 AC_MSG_RESULT($try_dev_random)
1850
1851 case "{$build}" in
1852     *-openbsd*)
1853     NAME_DEV_RANDOM="/dev/srandom"
1854     ;;
1855
1856 dnl Win32 does not have /dev/random, they have their own method...
1857
1858     *-mingw*|*-*-cygwin*)
1859     ac_cv_have_dev_random=no
1860     ;;
1861
1862 dnl Everywhere else, it's /dev/random
1863
1864     *)
1865     NAME_DEV_RANDOM="/dev/random"
1866     ;;
1867 esac
1868
1869 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1870
1871 dnl Now check if the device actually exists
1872
1873 if test "x$try_dev_random" = "xyes"; then
1874     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1875     [if test -r "$NAME_DEV_RANDOM" ; then
1876         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1877     if test "x$ac_cv_have_dev_random" = "xyes"; then
1878         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1879     fi
1880 else
1881     AC_MSG_CHECKING(for random device)
1882     ac_cv_have_dev_random=no
1883     AC_MSG_RESULT(has been disabled)
1884 fi
1885
1886 if test "x$host_win32" = "xyes"; then
1887     AC_DEFINE(HAVE_CRYPT_RNG)
1888 fi
1889
1890 if test "x$ac_cv_have_dev_random" = "xno" \
1891     && test "x$host_win32" = "xno"; then
1892     AC_MSG_WARN([[
1893 ***
1894 *** A system-provided entropy source was not found on this system.
1895 *** Because of this, the System.Security.Cryptography random number generator
1896 *** will throw a NotImplemented exception.
1897 ***
1898 *** If you are seeing this message, and you know your system DOES have an
1899 *** entropy collection in place, please contact <crichton@gimp.org> and
1900 *** provide information about the system and how to access the random device.
1901 ***
1902 *** Otherwise you can install either egd or prngd and set the environment
1903 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1904 ***]])
1905 fi
1906
1907 AC_MSG_CHECKING([if inter-process shared handles are requested])
1908 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1909 AC_MSG_RESULT($try_shared_handles)
1910 if test "x$try_shared_handles" != "xyes"; then
1911         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1912         AC_SUBST(DISABLE_SHARED_HANDLES)
1913 fi
1914
1915 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1916 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1917
1918 AC_MSG_CHECKING([if big-arrays are to be enabled])
1919 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1920 if test "x$enable_big_arrays" = "xyes" ; then
1921     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1922         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1923     else
1924         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1925     fi
1926 fi
1927 AC_MSG_RESULT($enable_big_arrays)
1928
1929 dnl **************
1930 dnl *** DTRACE ***
1931 dnl **************
1932
1933 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1934
1935 if test "x$enable_dtrace" = "xyes"; then
1936    if test "x$has_dtrace" = "xno"; then
1937           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1938    fi
1939    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1940    if test "x$DTRACE" = "xno"; then
1941           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1942           enable_dtrace=no
1943    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
1944           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
1945           enable_dtrace=no
1946    fi
1947 fi
1948
1949 dtrace_g=no
1950 if test "x$enable_dtrace" = "xyes"; then
1951         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1952         DTRACEFLAGS=
1953         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1954                 case "$host" in
1955                         powerpc-*-darwin*)
1956                         DTRACEFLAGS="-arch ppc64"
1957                         ;;
1958                         i*86-*-darwin*)
1959                         DTRACEFLAGS="-arch x86_64"
1960                         ;;
1961                         *)
1962                         DTRACEFLAGS=-64
1963                         ;;
1964                 esac
1965         else
1966                 case "$host" in
1967                         powerpc-*-darwin*)
1968                         DTRACEFLAGS="-arch ppc"
1969                         ;;
1970                         i*86-*-darwin*)
1971                         DTRACEFLAGS="-arch i386"
1972                         ;;
1973                         *)
1974                         DTRACEFLAGS=-32
1975                         ;;
1976                 esac
1977         fi
1978         AC_SUBST(DTRACEFLAGS)
1979         case "$host" in
1980                 *-*-solaris*)
1981                 dtrace_g=yes
1982                 ;;
1983         esac
1984         AC_CHECK_HEADERS([sys/sdt.h])
1985 fi
1986 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1987 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1988
1989 dnl **************
1990 dnl ***  NaCl  ***
1991 dnl **************
1992
1993 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
1994 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
1995
1996 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
1997 if test "x$enable_nacl_codegen" = "xyes"; then
1998    MONO_NACL_ALIGN_MASK_OFF=1
1999    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2000    AC_DEFINE(TARGET_NACL, 1, [...])
2001 else
2002    MONO_NACL_ALIGN_MASK_OFF=0
2003    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2004 fi
2005 if test "x$enable_nacl_gc" = "xyes"; then
2006    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2007 fi
2008 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2009
2010 dnl **************
2011 dnl ***  LLVM  ***
2012 dnl **************
2013
2014 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2015 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2016
2017 if test "x$enable_llvm" = "xyes"; then
2018    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2019    if test "x$LLVM_CONFIG" = "xno"; then
2020           AC_MSG_ERROR([llvm-config not found.])
2021    fi
2022
2023    # The output of --cflags seems to include optimizations flags too
2024    LLVM_CFLAGS=`$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'`
2025    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2026    # from LLVM classes.
2027    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2028    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2029    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
2030    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2031
2032    # Should be something like '2.6' or '2.7svn'
2033    llvm_version=`$LLVM_CONFIG --version`
2034    major_version=`echo $llvm_version | cut -c 1`
2035    minor_version=`echo $llvm_version | cut -c 3`
2036    if echo $llvm_version | grep -q 'mono'; then
2037           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2038           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2039    fi
2040
2041    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2042    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2043    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2044
2045    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2046    # llvm's config.h
2047    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2048
2049    AC_SUBST(LLVM_CFLAGS)
2050    AC_SUBST(LLVM_CXXFLAGS)
2051    AC_SUBST(LLVM_LIBS)
2052    AC_SUBST(LLVM_LDFLAGS)
2053    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2054 fi
2055
2056 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2057 if test "x$enable_loadedllvm" = "xyes"; then
2058    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2059 fi
2060 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2061
2062 TARGET="unknown"
2063 ACCESS_UNALIGNED="yes"
2064
2065 JIT_SUPPORTED=no
2066 INTERP_SUPPORTED=no
2067 LIBC="libc.so.6"
2068 INTL="libc.so.6"
2069 SQLITE="libsqlite.so.0"
2070 SQLITE3="libsqlite3.so.0"
2071 X11="libX11.so"
2072
2073 sizeof_register="SIZEOF_VOID_P"
2074
2075 jit_wanted=true
2076 interp_wanted=false
2077 sgen_supported=false
2078 case "$host" in
2079 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2080 #               TARGET=MIPS;
2081 #               ACCESS_UNALIGNED="no"
2082 #               ;;
2083         mips*)
2084                 TARGET=MIPS;
2085                 arch_target=mips;
2086                 ACCESS_UNALIGNED="no"
2087                 JIT_SUPPORTED=yes
2088
2089                 AC_MSG_CHECKING(for mips n32)
2090                 AC_TRY_COMPILE([], [
2091                 void main () {
2092                 #if _MIPS_SIM != _ABIN32
2093                 #error Not mips n32
2094                 #endif
2095                 }
2096                 ],[
2097                 AC_MSG_RESULT(yes)
2098                 sizeof_register=8
2099                 ],[
2100                 AC_MSG_RESULT(no)
2101                 ])
2102                 ;;
2103         i*86-*-*)
2104                 TARGET=X86;
2105                 arch_target=x86;
2106                 JIT_SUPPORTED=yes
2107                 case $host_os in
2108                   solaris*)
2109                         LIBC="libc.so"
2110                         INTL="libintl.so"
2111                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2112                                 TARGET=AMD64
2113                                 arch_target=amd64
2114                         fi
2115
2116                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2117                         # int astruct __attribute__ ((visibility ("hidden")));
2118                         # void foo ()
2119                         # {
2120                         #       void *p = &astruct;
2121                         # }
2122                         # gcc -fPIC --shared -o libfoo.so foo.c
2123                         # yields:
2124                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2125                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2126                         have_visibility_hidden=no
2127                         ;;
2128                   cygwin*)
2129                         have_visibility_hidden=no
2130                         ;;
2131                   haiku*)
2132                         LIBC=libroot.so
2133                         ;;
2134                   linux*)
2135                         sgen_supported=true
2136                         AOT_SUPPORTED="yes"
2137                         ;;
2138                   darwin*|openbsd*|freebsd*)
2139                         sgen_supported=true
2140                         ;;
2141                 esac
2142                 ;;
2143         x86_64-*-* | amd64-*-*)
2144                 TARGET=AMD64;
2145                 arch_target=amd64;
2146                 JIT_SUPPORTED=yes
2147                 case $host_os in
2148                   linux*)
2149                         sgen_supported=true
2150                         AOT_SUPPORTED="yes"
2151                         ;;
2152                   darwin*|openbsd*|freebsd*)
2153                         sgen_supported=true
2154                         ;;
2155                 esac
2156                 case "$host" in
2157                         x86_64-*-nacl*)
2158                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2159                                 sizeof_register=8
2160                                 ;;
2161                 esac
2162                 ;;
2163         ia64-*-*)
2164                 TARGET=IA64
2165                 arch_target=ia64
2166                 ACCESS_UNALIGNED="no"
2167                 JIT_SUPPORTED=yes
2168                 LIBC="libc.so.6.1"
2169                 INTL="libc.so.6.1"
2170                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2171                 libmono_ldflags="-lunwind"
2172                 ;;
2173         sparc*-*-*)
2174                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2175                    TARGET=SPARC64
2176                 else
2177                         TARGET=SPARC
2178                 fi
2179                 arch_target=sparc;
2180                 JIT_SUPPORTED=yes
2181                 ACCESS_UNALIGNED="no"
2182                 case $host_os in
2183                   linux*) ;;
2184                   *)
2185                         LIBC="libc.so"
2186                         INTL="libintl.so"
2187                 esac
2188                 if test x"$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                 arch_target=alpha;
2201                 CFLAGS="$CFLAGS -mieee -O0"
2202                 case $host_os in
2203                   linux*)
2204                         LIBC="libc.so.6.1"
2205                         INTL="libc.so.6.1"
2206                 esac
2207                ;;
2208         *-mingw*|*-*-cygwin*)
2209                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2210                 have_visibility_hidden=no
2211                 INTL="intl"
2212                 ;;
2213         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2214                 TARGET=HPPA;
2215                 arch_target=hppa;
2216                 LIBC="libc.sl"
2217                 ACCESS_UNALIGNED="no"
2218                 INTERP_SUPPORTED=yes
2219                 interp_wanted=true
2220                 ;;
2221         hppa*linux*)
2222                 TARGET=HPPA;
2223                 arch_target=hppa;
2224                 ACCESS_UNALIGNED="no"
2225                 JIT_SUPPORTED=yes
2226                 ;;
2227         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2228         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2229                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2230                         TARGET=POWERPC64;
2231                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2232                         CFLAGS="$CFLAGS -mminimal-toc"
2233                 else
2234                         TARGET=POWERPC;
2235                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2236                 fi
2237                 arch_target=ppc;
2238                 JIT_SUPPORTED=yes
2239                 case $host_os in
2240                   linux*|darwin*)
2241                         sgen_supported=true
2242                         ;;
2243                 esac
2244                 ;;
2245         arm*-darwin*)
2246                 TARGET=ARM;
2247                 arch_target=arm;
2248                 ACCESS_UNALIGNED="no"
2249                 JIT_SUPPORTED=yes
2250                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2251                 sgen_supported=true
2252                 ;;
2253         arm*-linux*)
2254                 TARGET=ARM;
2255                 arch_target=arm;
2256                 ACCESS_UNALIGNED="no"
2257                 JIT_SUPPORTED=yes
2258                 sgen_supported=true
2259                 AOT_SUPPORTED="yes"
2260                 ;;
2261         s390-*-linux*)
2262                 TARGET=S390;
2263                 arch_target=s390;
2264                 ACCESS_UNALIGNED="yes"
2265                 JIT_SUPPORTED=yes
2266                 sgen_supported=true
2267                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2268                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2269                 ;;
2270         s390x-*-linux*)
2271                 TARGET=S390x;
2272                 arch_target=s390x;
2273                 ACCESS_UNALIGNED="yes"
2274                 JIT_SUPPORTED=yes
2275                 sgen_supported=true
2276                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2277                 ;;
2278 esac
2279
2280 if test "x$host" != "x$target"; then
2281    case "$target" in
2282    powerpc64-ps3-linux-gnu)
2283                 TARGET=POWERPC64
2284                 arch_target=powerpc64
2285                 AC_DEFINE(TARGET_PS3, 1, [...])
2286                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2287                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2288                 # uses this define
2289                 AC_DEFINE(__mono_ppc64__, 1, [...])
2290                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2291                 sizeof_register=8
2292                 target_byte_order=G_BIG_ENDIAN
2293                 ;;
2294
2295    powerpc64-xbox360-linux-gnu)
2296                 TARGET=POWERPC64
2297                 arch_target=powerpc64
2298                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2299                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2300                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2301                 # uses this define
2302                 sizeof_register=8
2303                 target_byte_order=G_BIG_ENDIAN
2304                 ;;
2305    x86_64-*-nacl)
2306                 TARGET=AMD64
2307                 arch_target=amd64
2308                 AC_DEFINE(TARGET_AMD64, 1, [...])
2309                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2310                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2311                 sizeof_register=8
2312                 ;;
2313    armv7l-unknown-linux-gnueabi*)
2314                 # TEGRA
2315                 TARGET=ARM;
2316                 arch_target=arm;
2317                 ACCESS_UNALIGNED="no"
2318                 JIT_SUPPORTED=yes
2319                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
2320                 jit_wanted=true
2321                 # Can't use tls, since it depends on the runtime detection of tls offsets
2322                 # in mono-compiler.h
2323                 with_tls=pthread
2324                 ;;
2325    armv5tel-unknown-linux-gnueabi*)
2326                 TARGET=ARM;
2327                 arch_target=arm;
2328                 ACCESS_UNALIGNED="no"
2329                 JIT_SUPPORTED=yes
2330                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2331                 jit_wanted=true
2332                 # Can't use tls, since it depends on the runtime detection of tls offsets
2333                 # in mono-compiler.h
2334                 with_tls=pthread
2335                 ;;
2336         *)
2337                 AC_MSG_WARN([Cross compiling is only supported for targets matching 'powerpc64-{ps3,xbox360}-linux-gnu'])
2338         esac
2339 fi
2340
2341 # FIXME: Define the others as well
2342 case "$TARGET" in
2343 X86)
2344         AC_DEFINE(TARGET_X86, 1, [...])
2345         ;;
2346 AMD64)
2347         AC_DEFINE(TARGET_AMD64, 1, [...])
2348         ;;
2349 ARM)
2350         AC_DEFINE(TARGET_ARM, 1, [...])
2351         ;;
2352 POWERPC)
2353         AC_DEFINE(TARGET_POWERPC, 1, [...])
2354         ;;
2355 POWERPC64)
2356         AC_DEFINE(TARGET_POWERPC, 1, [...])
2357         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2358         ;;
2359 S390x)
2360         AC_DEFINE(TARGET_S390X, 1, [...])
2361         ;;
2362 esac
2363
2364 if test "x$sizeof_register" = "x4"; then
2365    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2366 elif test "x$sizeof_register" = "x8"; then
2367    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2368 else
2369    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2370 fi
2371
2372 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2373    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2374 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2375    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2376 else
2377    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2378 fi
2379
2380 if test "x$have_visibility_hidden" = "xyes"; then
2381    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2382 fi
2383
2384 if test "x$have_deprecated" = "xyes"; then
2385    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2386 fi
2387
2388 dnl
2389 dnl Simple Generational checks (sgen)
2390 dnl
2391 if $sgen_supported; then
2392    build_sgen_default=yes
2393 else
2394    build_sgen_default=no
2395 fi
2396 SGEN_DEFINES=
2397 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2398 if test x$buildsgen = xyes; then
2399    if $sgen_supported; then
2400        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2401        gc_msg="sgen and $gc_msg"
2402    else
2403        buildsgen=no
2404        AC_MSG_WARN("Sgen is not supported on this platform")
2405    fi
2406 fi
2407 AC_SUBST(SGEN_DEFINES)
2408 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2409
2410 USEJIT=false
2411 if test x$JIT_SUPPORTED = xyes; then
2412    if $jit_wanted; then
2413       USEJIT=true
2414       jit_status="Building and using the JIT"
2415    else
2416       if $interp_wanted; then
2417          jit_status="Building the JIT, defaulting to the interpreter"
2418       else
2419          AC_ERROR(No JIT or interpreter support available or selected.)
2420       fi
2421    fi
2422 else
2423    if test x$interp_wanted = xtrue; then
2424       jit_status="interpreter"
2425    else
2426       AC_ERROR(No JIT or interpreter support available or selected.)
2427    fi
2428 fi
2429
2430 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2431
2432 libsuffix=".so"
2433
2434 case "$host" in
2435      *-*-darwin*)
2436         libsuffix=".dylib"
2437         LIBC="libc.dylib"
2438         INTL="libintl.dylib"
2439         SQLITE="libsqlite.0.dylib"
2440         SQLITE3="libsqlite3.0.dylib"
2441         X11="libX11.dylib"
2442         ;;
2443      *-*-*netbsd*)
2444         LIBC="libc.so.12"
2445         INTL="libintl.so.0"
2446         ;;
2447     *-*-*freebsd*)
2448         LIBC="libc.so"
2449         INTL="libintl.so"
2450         SQLITE="libsqlite.so"
2451         SQLITE3="libsqlite3.so"
2452         ;;
2453     *-*-*openbsd*)
2454         LIBC="libc.so"
2455         INTL="libintl.so"
2456         SQLITE="libsqlite.so"
2457         SQLITE3="libsqlite3.so"
2458         ;;
2459     *-*-*linux*)
2460         AC_PATH_X
2461         AC_MSG_CHECKING(for the soname of libX11.so)
2462         for i in $x_libraries /usr/lib /usr/lib64; do
2463                 for r in 4 5 6; do
2464                         if test -f $i/libX11.so.$r; then
2465                                 X11=libX11.so.$r
2466                                 AC_MSG_RESULT($X11)
2467                         fi
2468                 done
2469         done
2470
2471         if test "x$X11" = "xlibX11.so"; then
2472                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2473         fi
2474         ;;
2475 esac
2476
2477
2478 AC_SUBST(libsuffix)
2479
2480 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2481         if test "x$with_tls" = "x__thread"; then
2482                 #
2483                 # On some linux distributions, TLS works in executables, but linking
2484                 # against a shared library containing TLS fails with:
2485                 # undefined reference to `__tls_get_addr'
2486                 #
2487                 rm -f conftest.c conftest.so conftest
2488                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2489                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2490                 $CC -o conftest conftest.so > /dev/null 2>&1
2491                 if test ! -f conftest; then
2492                    AC_MSG_WARN([Disabling usage of __thread.]);
2493                    with_tls=pthread
2494                 fi
2495                 rm -f conftest.c conftest.so conftest
2496         fi
2497 fi
2498
2499 mono_debugger_supported=no
2500 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2501 if test "x$try_mono_debugger" = "xyes"; then
2502         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2503                 if test x$use_included_gc = xyes; then
2504                         case "$host" in
2505                         *-*-*linux*)
2506                                 mono_debugger_supported=yes
2507                                 ;;
2508                         *86-apple-darwin*)
2509                                 mono_debugger_supported=yes
2510                                 ;;
2511                         esac
2512                 fi
2513         fi
2514 fi
2515
2516 # disable the debugger entirely when building with moonlight
2517 if test "x$with_moonlight" != "xno"; then
2518         mono_debugger_supported=no
2519 fi
2520
2521 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2522 if test "x$mono_debugger_supported" = "xyes"; then
2523         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2524         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2525 fi
2526 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2527 AC_MSG_RESULT($mono_debugger_supported)
2528
2529 if test "x$with_tls" = "x__thread"; then
2530         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2531         # Pass the information to libgc
2532         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2533         AC_MSG_CHECKING(if the tls_model attribute is supported)
2534         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2535                 ], [
2536                         AC_MSG_RESULT(yes)
2537                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2538                 ], [
2539                         AC_MSG_RESULT(no)
2540         ])
2541 fi
2542
2543 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2544         dnl ******************************************
2545         dnl *** Check to see what FPU is available ***
2546         dnl ******************************************
2547         AC_MSG_CHECKING(which FPU to use)
2548
2549         ORIG_CFLAGS=$CFLAGS
2550         CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2551         AC_TRY_RUN([
2552                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2553                         ], fpu=VFP, fpu=NONE)
2554         CFLAGS=$ORIG_CFLAGS
2555
2556         if test x$fpu = xNONE; then
2557                 AC_TRY_COMPILE([], [
2558                         __asm__ ("ldfd f0, [r0]");
2559                         ], fpu=FPA, fpu=NONE)
2560         fi
2561
2562         AC_MSG_RESULT($fpu)
2563         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2564         unset fpu
2565
2566         AC_MSG_CHECKING(for ARMV6)
2567         AC_TRY_RUN([
2568                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2569                         ], armv6=yes, armv6=no)
2570
2571         AC_MSG_RESULT($armv6)
2572         if test ${armv6} = yes; then
2573            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2574         fi
2575 fi
2576
2577 if test ${TARGET} = unknown; then
2578         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2579         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2580 fi
2581
2582 if test ${ACCESS_UNALIGNED} = no; then
2583         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2584 fi
2585
2586 case "x$gc" in
2587         xincluded)
2588                 # Pass CPPFLAGS to libgc configure
2589                 # We should use a separate variable for this to avoid passing useless and
2590                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2591                 # This should be executed late so we pick up the final version of CPPFLAGS
2592                 # The problem with this approach, is that during a reconfigure, the main
2593                 # configure scripts gets invoked with these arguments, so we use separate
2594                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2595                 LIBGC_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2596                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2597                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2598                 fi
2599                 # Don't pass -finstrument-for-thread-suspension in,
2600                 # if these are instrumented it will be very bad news
2601                 # (infinite recursion, undefined parking behavior, etc)
2602                 LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2603                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2604                 AC_CONFIG_SUBDIRS(libgc)
2605                 ;;
2606 esac
2607
2608 #AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2609 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                  [], [with_profile4=yes])
2610 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid 2.1 assemblies (defaults to no)], [], [with_monodroid=no])
2611 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2612
2613 OPROFILE=no
2614 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2615         if test x$with_oprofile != xno; then
2616             oprofile_include=$with_oprofile/include
2617             if test ! -f $oprofile_include/opagent.h; then
2618                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2619                 fi
2620             OPROFILE=yes
2621                 OPROFILE_CFLAGS="-I$oprofile_include"
2622             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2623             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2624         fi
2625 ])
2626
2627 MALLOC_MEMPOOLS=no
2628 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2629         if test x$with_malloc_mempools = xyes; then
2630                 MALLOC_MEMPOOLS=yes
2631                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2632         fi
2633 ])
2634
2635
2636 DISABLE_MCS_DOCS=no
2637 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2638         if test x$with_mcs_docs != xyes; then
2639                 DISABLE_MCS_DOCS=yes
2640         fi
2641 ])
2642 if test x$with_profile4 != xyes; then
2643         DISABLE_MCS_DOCS=yes
2644 fi
2645
2646 MOONLIGHT_DEFINES=
2647 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2648         if test x$with_moonlight != xno; then
2649         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2650         fi
2651 ], [with_moonlight=no])
2652 AC_SUBST(MOONLIGHT_DEFINES)
2653
2654 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2655         if test "x$with_moon_gc" != "xsgen"; then
2656                 with_moon_gc=boehm
2657         fi
2658 ], [with_moon_gc=boehm])
2659
2660 AC_CHECK_HEADER([malloc.h],
2661                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2662                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2663
2664 dnl
2665 dnl Consistency settings
2666 dnl
2667 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2668    DISABLE_MCS_DOCS=yes
2669 fi
2670
2671 if test x$DISABLE_MCS_DOCS = xyes; then
2672    docs_dir=""
2673 else
2674    docs_dir=docs
2675 fi
2676 AC_SUBST(docs_dir)
2677
2678 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2679 AC_SUBST(OPROFILE_CFLAGS)
2680 AC_SUBST(OPROFILE_LIBS)
2681
2682 libmono_ldflags="$libmono_ldflags $LIBS"
2683
2684 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2685 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2686 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2687 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2688
2689 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2690 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2691 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2692
2693 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2694 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2695 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2696 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2697 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2698 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2699 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2700 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2701 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2702 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2703 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2704 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2705 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2706 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2707 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2708 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2709
2710 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2711 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2712 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2713
2714 AC_SUBST(LIBC)
2715 AC_SUBST(INTL)
2716 AC_SUBST(SQLITE)
2717 AC_SUBST(SQLITE3)
2718 AC_SUBST(X11)
2719 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2720 AC_SUBST(arch_target)
2721 AC_SUBST(CFLAGS)
2722 AC_SUBST(CPPFLAGS)
2723 AC_SUBST(LDFLAGS)
2724
2725 mono_build_root=`pwd`
2726 AC_SUBST(mono_build_root)
2727
2728 if test x$USEJIT = xtrue; then
2729   mono_runtime=mono/mini/mono
2730 else
2731   mono_runtime=mono/interpreter/mint
2732 fi
2733 AC_SUBST(mono_runtime)
2734
2735 mono_cfg_root=$mono_build_root/runtime
2736 if test x$host_win32 = xyes; then
2737   if test "x$cross_compiling" = "xno"; then
2738     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2739   else
2740     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2741   fi
2742 else
2743   mono_cfg_dir=$mono_cfg_root/etc
2744 fi
2745 AC_SUBST(mono_cfg_dir)
2746
2747 AC_CONFIG_FILES([po/mcs/Makefile.in])
2748
2749 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2750 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2751
2752 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2753 [   depth=../../../..
2754     case $srcdir in
2755     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2756     .) reldir=$depth ;;
2757     *) reldir=$depth/$srcdir ;;
2758     esac
2759     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2760     cd runtime/etc/mono/1.0
2761     rm -f machine.config
2762     $LN_S $reldir/data/net_1_1/machine.config machine.config
2763     cd $depth
2764 ],[LN_S='$LN_S'])
2765
2766 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2767 [   depth=../../../..
2768     case $srcdir in
2769     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2770     .) reldir=$depth ;;
2771     *) reldir=$depth/$srcdir ;;
2772     esac
2773     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2774     cd runtime/etc/mono/2.0
2775     rm -f machine.config
2776     $LN_S $reldir/data/net_2_0/machine.config machine.config
2777     cd $depth
2778 ],[LN_S='$LN_S'])
2779
2780 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2781 [   depth=../../../..
2782     case $srcdir in
2783     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2784     .) reldir=$depth ;;
2785     *) reldir=$depth/$srcdir ;;
2786     esac
2787     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2788     cd runtime/etc/mono/2.0
2789     rm -f web.config
2790     $LN_S $reldir/data/net_2_0/web.config web.config
2791     cd $depth
2792 ],[LN_S='$LN_S'])
2793
2794 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2795 [   depth=../../..
2796     case $srcdir in
2797     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2798     .) reldir=$depth ;;
2799     *) reldir=$depth/$srcdir ;;
2800     esac
2801     $ac_aux_dir/install-sh -d runtime/etc/mono/
2802     cd runtime/etc/mono/
2803     rm -f browscap.ini
2804     $LN_S $reldir/data/browscap.ini browscap.ini
2805     cd $depth
2806 ],[LN_S='$LN_S'])
2807
2808 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2809 [   depth=../../../../..
2810     case $srcdir in
2811     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2812     .) reldir=$depth ;;
2813     *) reldir=$depth/$srcdir ;;
2814     esac
2815     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2816     cd runtime/etc/mono/2.0/Browsers
2817     rm -f Compat.browser
2818     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2819     cd $depth
2820 ],[LN_S='$LN_S'])
2821
2822 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
2823 [   depth=../../../..
2824     case $srcdir in
2825     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2826     .) reldir=$depth ;;
2827     *) reldir=$depth/$srcdir ;;
2828     esac
2829     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2830     cd runtime/etc/mono/4.0
2831     rm -f machine.config
2832     $LN_S $reldir/data/net_4_0/machine.config machine.config
2833     cd $depth
2834 ],[LN_S='$LN_S'])
2835
2836 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
2837 [   depth=../../../..
2838     case $srcdir in
2839     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2840     .) reldir=$depth ;;
2841     *) reldir=$depth/$srcdir ;;
2842     esac
2843     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2844     cd runtime/etc/mono/4.0
2845     rm -f web.config
2846     $LN_S $reldir/data/net_4_0/web.config web.config
2847     cd $depth
2848 ],[LN_S='$LN_S'])
2849
2850 if test x$enable_quiet_build = xyes; then
2851    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])
2852    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])
2853 fi
2854
2855 AC_OUTPUT([
2856 Makefile
2857 mono-core.spec
2858 mono-uninstalled.pc
2859 scripts/mono-find-provides
2860 scripts/mono-find-requires
2861 mono/Makefile
2862 mono/utils/Makefile
2863 mono/metadata/Makefile
2864 mono/dis/Makefile
2865 mono/cil/Makefile
2866 mono/arch/Makefile
2867 mono/arch/x86/Makefile
2868 mono/arch/amd64/Makefile
2869 mono/arch/hppa/Makefile
2870 mono/arch/ppc/Makefile
2871 mono/arch/sparc/Makefile
2872 mono/arch/s390/Makefile
2873 mono/arch/s390x/Makefile
2874 mono/arch/arm/Makefile
2875 mono/arch/alpha/Makefile
2876 mono/arch/ia64/Makefile
2877 mono/arch/mips/Makefile
2878 mono/interpreter/Makefile
2879 mono/tests/Makefile
2880 mono/tests/tests-config
2881 mono/tests/assemblyresolve/Makefile
2882 mono/tests/cas/Makefile
2883 mono/tests/cas/assembly/Makefile
2884 mono/tests/cas/demand/Makefile
2885 mono/tests/cas/inheritance/Makefile
2886 mono/tests/cas/linkdemand/Makefile
2887 mono/tests/cas/threads/Makefile
2888 mono/benchmark/Makefile
2889 mono/monograph/Makefile
2890 mono/io-layer/Makefile
2891 mono/mini/Makefile
2892 mono/profiler/Makefile
2893 ikvm-native/Makefile
2894 scripts/Makefile
2895 man/Makefile
2896 docs/Makefile
2897 data/Makefile
2898 data/net_2_0/Makefile
2899 data/net_4_0/Makefile
2900 data/net_2_0/Browsers/Makefile
2901 data/mint.pc
2902 data/mono-2.pc
2903 data/monosgen-2.pc
2904 data/mono.pc
2905 data/mono-cairo.pc
2906 data/mono-nunit.pc
2907 data/mono-options.pc
2908 data/mono-lineeditor.pc
2909 data/monodoc.pc
2910 data/mono.web.pc
2911 data/dotnet.pc
2912 data/dotnet35.pc
2913 data/wcf.pc
2914 data/cecil.pc
2915 data/system.web.extensions_1.0.pc
2916 data/system.web.extensions.design_1.0.pc
2917 data/system.web.mvc.pc
2918 data/system.web.mvc2.pc
2919 samples/Makefile
2920 support/Makefile
2921 data/config
2922 tools/Makefile
2923 tools/locale-builder/Makefile
2924 tools/sgen/Makefile
2925 runtime/Makefile
2926 msvc/Makefile
2927 po/Makefile
2928 ])
2929
2930 if test x$host_win32 = xyes; then
2931    # Get rid of 'cyg' prefixes in library names
2932    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2933    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2934    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2935    # executable doesn't work...
2936    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2937 fi
2938
2939 (
2940   case $prefix in
2941   NONE) prefix=$ac_default_prefix ;;
2942   esac
2943   case $exec_prefix in
2944   NONE) exec_prefix='${prefix}' ;;
2945   esac
2946
2947   #
2948   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2949   # any existing config.make.  This allows people to share the same source tree
2950   # with different build directories, one native and one cross
2951   #
2952   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2953
2954     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
2955
2956     echo "prefix=$prefix" > $mcs_topdir/build/config.make
2957     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
2958     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
2959     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
2960     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $mcs_topdir/build/config.make
2961     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
2962     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
2963     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
2964
2965     case $INSTALL in
2966     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2967     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2968     esac
2969
2970     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
2971
2972     export VERSION
2973     [myver=$($AWK 'BEGIN {
2974       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2975       if(length(vsplit [1]) > 4) {
2976         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2977       }
2978       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2979     }')]
2980
2981     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
2982
2983     if test x$platform_darwin = xyes; then
2984       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
2985     fi
2986
2987         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
2988            enable_system_aot=yes
2989         fi
2990
2991         if test "x$enable_loadedllvm" = "xyes"; then
2992            # This seems to fail on the x86 buildbots
2993            enable_system_aot=no
2994         fi
2995
2996     if test x$host_win32 = xno -a x$platform_darwin != xyes -a x$enable_system_aot = xyes; then
2997       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
2998     fi
2999
3000     if test x$DISABLE_MCS_DOCS = xyes; then
3001       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3002     fi
3003
3004     if test x$with_moonlight != xno; then
3005       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3006     fi
3007
3008   fi
3009
3010   # if we have an olive folder, override the default settings
3011   if test -d $olivedir; then
3012
3013     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3014
3015       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3016
3017       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3018       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3019       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3020       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3021       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3022       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3023     fi
3024   fi
3025
3026 )
3027
3028 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3029
3030 echo "
3031         mcs source:    $mcsdir
3032         olive source:  $olive_topdir
3033
3034    Engine:
3035         GC:            $gc_msg
3036         TLS:           $with_tls
3037         SIGALTSTACK:   $with_sigaltstack
3038         Engine:        $jit_status
3039         oprofile:      $OPROFILE
3040         BigArrays:     $enable_big_arrays
3041         DTrace:        $enable_dtrace
3042         Parallel Mark: $enable_parallel_mark
3043         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3044
3045     Libraries:
3046         Moon Profile:  $with_moonlight ($with_moon_gc)
3047         MonoDroid:     $with_monodroid
3048         MonoTouch:     $with_monotouch
3049         JNI support:   $jdk_headers_found
3050         libgdiplus:    $libgdiplus_msg
3051         zlib:          $zlib_msg
3052         $disabled
3053 "
3054 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3055    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3056 fi