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 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 372                   [], [], [#include <stddef.h>
 373                   #include <sys/socket.h>
 374                   #include <linux/socket.h>])
 375
 376 AC_CHECK_HEADERS(sys/user.h, [], [],
 377 [
 378 #ifdef HAVE_SYS_PARAM_H
 379 # include <sys/param.h>
 380 #endif
 381 ])
 382
 383 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 384 if test x$have_zlib = xyes; then
 385    AC_TRY_COMPILE([#include <zlib.h>], [
 386    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 387    return 0;
 388    #else
 389    #error No good zlib found
 390    #endif
 391    ],[
 392         AC_MSG_RESULT(Using system zlib)
 393         zlib_msg="system zlib"
 394         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 395    ],[
 396         AC_MSG_RESULT(Using embedded zlib)
 397         have_zlib=no
 398         zlib_msg="bundled zlib"
 399    ])
 400 fi
 401
 402 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 403 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 404
 405 # for mono/metadata/debug-symfile.c
 406 AC_CHECK_HEADERS(elf.h)
 407
 408 # for support
 409 AC_CHECK_HEADERS(poll.h)
 410 AC_CHECK_HEADERS(sys/poll.h)
 411 AC_CHECK_HEADERS(sys/wait.h)
 412 AC_CHECK_HEADERS(grp.h)
 413 AC_CHECK_HEADERS(syslog.h)
 414
 415 # for mono/dis
 416 AC_CHECK_HEADERS(wchar.h)
 417 AC_CHECK_HEADERS(ieeefp.h)
 418 AC_MSG_CHECKING(for isinf)
 419 AC_TRY_LINK([#include <math.h>], [
 420         int f = isinf (1);
 421 ], [
 422         AC_MSG_RESULT(yes)
 423         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 424 ], [
 425         # We'll have to use signals
 426         AC_MSG_RESULT(no)
 427 ])
 428
 429 # for Linux statfs support
 430 AC_CHECK_HEADERS(linux/magic.h)
 431
 432 # not 64 bit clean in cross-compile
 433 AC_CHECK_SIZEOF(void *, 4)
 434
 435 WARN=''
 436 if test x"$GCC" = xyes; then
 437         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
 438                 # The runtime code does not respect ANSI C strict aliasing rules
 439                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 440
 441                 ORIG_CFLAGS=$CFLAGS
 442                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 443                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 444                 AC_TRY_COMPILE([], [
 445                                                    void main () { }
 446                 ], [
 447                    AC_MSG_RESULT(yes)
 448                 ], [
 449                    AC_MSG_RESULT(no)
 450                    CFLAGS=$ORIG_CFLAGS
 451                 ])
 452 else
 453         # The Sun Forte compiler complains about inline functions that access static variables
 454         # so disable all inlining.
 455         case "$host" in
 456         *-*-solaris*)
 457                 CFLAGS="$CFLAGS -Dinline="
 458                 ;;
 459         esac
 460 fi
 461 CFLAGS="$CFLAGS -g $WARN"
 462 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 463
 464 # Where's the 'mcs' source tree?
 465 if test -d $srcdir/mcs; then
 466   mcsdir=mcs
 467 else
 468   mcsdir=../mcs
 469 fi
 470
 471 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 472         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 473                 mcsdir=$with_mcs_path
 474         fi
 475 )
 476
 477 #
 478 # A sanity check to catch cases where the package was unpacked
 479 # with an ancient tar program (Solaris)
 480 #
 481 AC_ARG_ENABLE(solaris-tar-check,
 482 [  --disable-solaris-tar-check    disable solaris tar check],
 483    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 484
 485 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 486         AC_MSG_CHECKING(integrity of package)
 487         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 488         then
 489                 AC_MSG_RESULT(ok)
 490         else
 491                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 492                 AC_MSG_ERROR([$errorm])
 493         fi
 494 fi
 495
 496 if test "x$with_mcs_path" != "x"; then
 497 mcs_topdir=$(cd "$mcsdir" && pwd)
 498 mcs_topdir_from_srcdir=$mcs_topdir
 499 else
 500 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 501 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 502 fi
 503
 504 # Convert mcs_topdir* paths to Windows syntax.
 505 if test x$cross_compiling$host_win32 = xnoyes; then
 506   mcs_topdir=$(cygpath -m $mcs_topdir)
 507   case $mcs_topdir_from_srcdir in
 508     /cygdrive/*)
 509         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 510         ;;
 511   esac
 512 fi
 513
 514 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 515 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 516
 517 AC_SUBST([mcs_topdir])
 518 AC_SUBST([mcs_topdir_from_srcdir])
 519
 520 # Where's the 'olive' source tree?
 521 if test -d $srcdir/olive; then
 522   olivedir=olive
 523 else
 524   olivedir=../olive
 525 fi
 526
 527 if test -d $srcdir/$olivedir; then
 528 olive_topdir='$(top_srcdir)/'$olivedir
 529 fi
 530
 531 # gettext: prepare the translation directories.
 532 # we do not configure the full gettext, as we consume it dynamically from C#
 533 AM_PO_SUBDIRS
 534
 535 if test "x$USE_NLS" = "xyes"; then
 536    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 537
 538    if test "x$HAVE_MSGFMT" = "xno"; then
 539           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 540    fi
 541 fi
 542
 543 AC_ARG_WITH([libgdiplus],
 544         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 545         [], [with_libgdiplus=installed])
 546
 547 case $with_libgdiplus in
 548 no|installed) libgdiplus_loc= ;;
 549 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 550 /*) libgdiplus_loc=$with_libgdiplus ;;
 551 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 552 esac
 553 AC_SUBST([libgdiplus_loc])
 554
 555 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 556
 557 pkg_config_path=
 558 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 559         if test x$with_crosspkgdir = "x"; then
 560                 if test -s $PKG_CONFIG_PATH; then
 561                         pkg_config_path=$PKG_CONFIG_PATH
 562                 fi
 563         else
 564                 pkg_config_path=$with_crosspkgdir
 565                 PKG_CONFIG_PATH=$pkg_config_path
 566                 export PKG_CONFIG_PATH
 567         fi
 568 )
 569
 570 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 571 AC_CONFIG_SUBDIRS(eglib)
 572
 573 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 574 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 575 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 576 BUILD_GLIB_LIBS="$GLIB_LIBS"
 577 GMODULE_CFLAGS="$GLIB_CFLAGS"
 578 GMODULE_LIBS="$GLIB_LIBS"
 579
 580 AC_SUBST(GLIB_CFLAGS)
 581 AC_SUBST(GLIB_LIBS)
 582 AC_SUBST(GMODULE_CFLAGS)
 583 AC_SUBST(GMODULE_LIBS)
 584 AC_SUBST(BUILD_GLIB_CFLAGS)
 585 AC_SUBST(BUILD_GLIB_LIBS)
 586
 587 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 588
 589 # Enable support for fast thread-local storage
 590 # Some systems have broken support, so we allow to disable it.
 591 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 592
 593 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 594 # This does not work on some platforms (bug #55253)
 595 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 596
 597 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 598 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 599
 600 if test "x$enable_static" = "xno"; then
 601    with_static_mono=no
 602 fi
 603
 604 if test "x$enable_shared" = "xno"; then
 605    with_shared_mono=no
 606 fi
 607
 608 case $host in
 609 *nacl* ) with_shared_mono=yes;;
 610 esac
 611
 612 if test "x$host_win32" = "xyes"; then
 613    # Boehm GC requires the runtime to be in its own dll
 614    with_static_mono=no
 615 fi
 616
 617 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 618 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 619 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 620
 621 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 622 if test "x$with_xen_opt" = "xyes"; then
 623         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 624         ORIG_CFLAGS=$CFLAGS
 625         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 626         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 627         AC_TRY_COMPILE([], [
 628                                            void main () { }
 629         ], [
 630            AC_MSG_RESULT(yes)
 631            # Pass it to libgc as well
 632            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 633         ], [
 634            AC_MSG_RESULT(no)
 635            CFLAGS=$ORIG_CFLAGS
 636         ])
 637 fi
 638
 639 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
 640 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 641
 642 if test x$enable_small_config = xyes; then
 643         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 644         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 645 fi
 646
 647 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=$enableval, enable_system_aot=default)
 648
 649 DISABLED_FEATURES=none
 650
 651 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 652      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 653      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping.],
 654 [
 655         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 656                 eval "mono_feature_disable_$feature='yes'"
 657         done
 658         DISABLED_FEATURES=$enable_minimal
 659         disabled="Disabled:      $enable_minimal"
 660 ],[])
 661
 662 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 663
 664 if test "x$mono_feature_disable_aot" = "xyes"; then
 665         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 666         AC_MSG_NOTICE([Disabled AOT compiler])
 667 fi
 668
 669 if test "x$mono_feature_disable_profiler" = "xyes"; then
 670         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 671         AC_MSG_NOTICE([Disabled support for the profiler])
 672 fi
 673 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 674
 675 if test "x$mono_feature_disable_decimal" = "xyes"; then
 676         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 677         AC_MSG_NOTICE([Disabled support for decimal])
 678 fi
 679
 680 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 681         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 682         AC_MSG_NOTICE([Disabled support for P/Invoke])
 683 fi
 684
 685 if test "x$mono_feature_disable_debug" = "xyes"; then
 686         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 687         AC_MSG_NOTICE([Disabled support for runtime debugging])
 688 fi
 689
 690 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 691         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 692         mono_feature_disable_reflection_emit_save=yes
 693         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 694 fi
 695
 696 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 697         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 698         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 699 fi
 700
 701 if test "x$mono_feature_disable_large_code" = "xyes"; then
 702         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 703         AC_MSG_NOTICE([Disabled support for large assemblies])
 704 fi
 705
 706 if test "x$mono_feature_disable_logging" = "xyes"; then
 707         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 708         AC_MSG_NOTICE([Disabled support for logging])
 709 fi
 710
 711 if test "x$mono_feature_disable_com" = "xyes"; then
 712         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 713         AC_MSG_NOTICE([Disabled COM support])
 714 fi
 715
 716 if test "x$mono_feature_disable_ssa" = "xyes"; then
 717         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 718         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 719 fi
 720
 721 if test "x$mono_feature_disable_generics" = "xyes"; then
 722         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 723         AC_MSG_NOTICE([Disabled Generics Support])
 724 fi
 725
 726 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 727         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 728         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 729 fi
 730
 731 if test "x$mono_feature_disable_portability" = "xyes"; then
 732         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 733         AC_MSG_NOTICE([Disabled IO Portability layer])
 734 fi
 735
 736 if test "x$mono_feature_disable_attach" = "xyes"; then
 737         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 738         AC_MSG_NOTICE([Disabled agent attach])
 739 fi
 740
 741 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 742         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 743         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 744 fi
 745
 746 if test "x$mono_feature_disable_verifier" = "xyes"; then
 747         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 748         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 749 fi
 750
 751 if test "x$mono_feature_disable_jit" = "xyes"; then
 752         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 753         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 754 fi
 755
 756 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 757
 758 if test "x$mono_feature_disable_simd" = "xyes"; then
 759         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 760         AC_MSG_NOTICE([Disabled SIMD support])
 761 fi
 762
 763 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 764         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 765         AC_MSG_NOTICE([Disabled Soft Debugger.])
 766 fi
 767
 768 if test "x$mono_feature_disable_normalization" = "xyes"; then
 769         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 770         AC_MSG_NOTICE([Disabled String normalization support.])
 771 fi
 772
 773 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 774         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 775         AC_MSG_NOTICE([Disabled Assembly remapping.])
 776 fi
 777
 778 AC_MSG_CHECKING(for visibility __attribute__)
 779 AC_TRY_COMPILE([], [
 780    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 781    void main () { doit (); }
 782 ], [
 783    have_visibility_hidden=yes
 784    AC_MSG_RESULT(yes)
 785 ], [
 786    have_visibility_hidden=no
 787    AC_MSG_RESULT(no)
 788 ])
 789
 790 AC_MSG_CHECKING(for deprecated __attribute__)
 791 AC_TRY_COMPILE([
 792      int doit (void) __attribute__ ((deprecated));
 793      int doit (void) { return 0; }
 794 ], [
 795         return 0;
 796 ], [
 797    have_deprecated=yes
 798    AC_MSG_RESULT(yes)
 799 ], [
 800    have_deprecated=no
 801    AC_MSG_RESULT(no)
 802 ])
 803
 804 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 805 if test x$enable_parallel_mark = xyes; then
 806         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 807 fi
 808
 809 dnl
 810 dnl Boehm GC configuration
 811 dnl
 812 LIBGC_CFLAGS=
 813 LIBGC_LIBS=
 814 LIBGC_STATIC_LIBS=
 815 libgc_dir=
 816 case "x$gc" in
 817         xboehm|xbohem|xyes)
 818                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 819                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 820
 821                 if test "x$found_boehm" != "xyes"; then
 822                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 823                 fi
 824                 if test "x$gc_headers" != "xyes"; then
 825                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 826                 fi
 827
 828                 LIBGC_LIBS="-lgc $libdl"
 829                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 830                 libmono_ldflags="$libmono_ldflags -lgc"
 831                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 832
 833                 # AC_CHECK_FUNCS does not work for some reason...
 834                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 835                 if test "x$found_gcj_malloc" = "xyes"; then
 836                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 837                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 838                         gc_msg="System Boehm with typed GC"
 839                 else
 840                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 841                         gc_msg="System Boehm (without typed GC)"
 842                 fi
 843                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 844                 if test "x$found_gc_enable" = "xyes"; then
 845                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 846                 fi
 847
 848                 # check whether we need to explicitly allow
 849                 # thread registering
 850                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 851                 if test "x$found_allow_register_threads" = "xyes"; then
 852                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 853                 fi
 854
 855                 ;;
 856
 857         xincluded)
 858                 use_included_gc=yes
 859                 libgc_dir=libgc
 860
 861                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 862                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 863                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 864
 865                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
 866
 867                 gc_msg="bundled Boehm GC with typed GC"
 868                 if test x$enable_parallel_mark = xyes; then
 869                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 870                         gc_msg="$gc_msg and parallel mark"
 871                 else
 872                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 873                 fi
 874                 ;;
 875
 876         xsgen)
 877                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
 878                 ;;
 879
 880         xnone)
 881                 AC_MSG_WARN("Compiling mono without GC.")
 882                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
 883                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 884                 ;;
 885         *)
 886                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 887                 ;;
 888 esac
 889
 890 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
 891 if test "x$large_heap" = "xyes"; then
 892    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 893 fi
 894
 895 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 896 AC_SUBST(LIBGC_CFLAGS)
 897 AC_SUBST(LIBGC_LIBS)
 898 AC_SUBST(LIBGC_STATIC_LIBS)
 899 AC_SUBST(libgc_dir)
 900 AC_SUBST(BOEHM_DEFINES)
 901
 902 dnl
 903 dnl End of libgc checks
 904 dnl
 905
 906 dnl *************************************
 907 dnl *** Checks for zero length arrays ***
 908 dnl *************************************
 909 AC_MSG_CHECKING(whether $CC supports zero length arrays)
 910 AC_TRY_COMPILE([
 911         struct s {
 912                 int  length;
 913                 char data [0];
 914         };
 915 ], [], [
 916         AC_MSG_RESULT(yes)
 917         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
 918 ], [
 919         AC_MSG_RESULT(no)
 920         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
 921 ])
 922
 923 if test x$target_win32 = xno; then
 924
 925         dnl hires monotonic clock support
 926         AC_SEARCH_LIBS(clock_gettime, rt)
 927
 928         dnl dynamic loader support
 929         AC_CHECK_FUNC(dlopen, DL_LIB="",
 930                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 931         )
 932         if test x$dl_support = xno; then
 933                 AC_MSG_WARN([No dynamic loading support available])
 934         else
 935                 LIBS="$LIBS $DL_LIB"
 936                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 937                 dnl from glib's configure.in
 938                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 939                         mono_cv_uscore,[
 940                         AC_TRY_RUN([#include <dlfcn.h>
 941                         int mono_underscore_test (void) { return 42; }
 942                         int main() {
 943                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 944                           handle = dlopen ((void*)0, 0);
 945                           if (handle) {
 946                             f1 = dlsym (handle, "mono_underscore_test");
 947                             f2 = dlsym (handle, "_mono_underscore_test");
 948                           } return (!f2 || f1);
 949                         }],
 950                                 [mono_cv_uscore=yes],
 951                                 [mono_cv_uscore=no],
 952                         [])
 953                 ])
 954                 if test "x$mono_cv_uscore" = "xyes"; then
 955                         MONO_DL_NEED_USCORE=1
 956                 else
 957                         MONO_DL_NEED_USCORE=0
 958                 fi
 959                 AC_SUBST(MONO_DL_NEED_USCORE)
 960                 AC_CHECK_FUNC(dlerror)
 961         fi
 962
 963         dnl ******************************************************************
 964         dnl *** Checks for the IKVM JNI interface library                  ***
 965         dnl ******************************************************************
 966         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])
 967
 968         ikvm_native_dir=
 969         if test x$with_ikvm_native = xyes; then
 970                 ikvm_native_dir=ikvm-native
 971                 jdk_headers_found="IKVM Native"
 972         fi
 973
 974         AC_SUBST(ikvm_native_dir)
 975
 976         AC_CHECK_HEADERS(execinfo.h)
 977
 978         AC_CHECK_FUNCS(getgrgid_r)
 979         AC_CHECK_FUNCS(getgrnam_r)
 980         AC_CHECK_FUNCS(getpwnam_r)
 981         AC_CHECK_FUNCS(getpwuid_r)
 982         AC_CHECK_FUNCS(getresuid)
 983         AC_CHECK_FUNCS(setresuid)
 984         AC_CHECK_FUNCS(kqueue)
 985         AC_CHECK_FUNCS(backtrace_symbols)
 986         AC_CHECK_FUNCS(mkstemp)
 987         AC_CHECK_FUNCS(mmap)
 988         AC_CHECK_FUNCS(madvise)
 989         AC_CHECK_FUNCS(getrusage)
 990         AC_CHECK_FUNCS(getpriority)
 991         AC_CHECK_FUNCS(setpriority)
 992         AC_CHECK_FUNCS(dl_iterate_phdr)
 993         AC_CHECK_FUNCS(dladdr)
 994         AC_CHECK_FUNCS(sysconf)
 995
 996         AC_CHECK_FUNCS(sched_setaffinity)
 997         AC_CHECK_FUNCS(sched_getcpu)
 998
 999         dnl ****************************************************************
1000         dnl *** Check for sched_setaffinity from glibc versions before   ***
1001         dnl *** 2.3.4. The older versions of the function only take 2    ***
1002         dnl *** parameters, not 3.                                       ***
1003         dnl ***                                                          ***
1004         dnl *** Because the interface change was not made in a minor     ***
1005         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1006         dnl *** won't always indicate the interface sched_affinity has.  ***
1007         dnl ****************************************************************
1008         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1009         AC_TRY_COMPILE([#include <sched.h>], [
1010                 int main() {
1011             int mask = 1;
1012             sched_setaffinity(0, &mask);
1013         }
1014         ], [
1015                 # Yes, we have it...
1016                 AC_MSG_RESULT(yes)
1017                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1018         ], [
1019                 # We have the new, three-parameter version
1020                 AC_MSG_RESULT(no)
1021         ])
1022
1023
1024         dnl ******************************************************************
1025         dnl *** Check for large file support                               ***
1026         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1027         dnl ******************************************************************
1028
1029         # Check that off_t can represent 2**63 - 1 correctly, working around
1030         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1031         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1032         large_offt=no
1033         AC_DEFUN([LARGE_FILES], [
1034                 large_CPPFLAGS=$CPPFLAGS
1035                 CPPFLAGS="$CPPFLAGS $1"
1036                 AC_TRY_RUN([
1037                         #include <sys/types.h>
1038
1039                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
1040
1041                         int main(void) {
1042                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
1043                                                (BIG_OFF_T%2147483647==1));
1044                                 if(big_off_t) {
1045                                         exit(0);
1046                                 } else {
1047                                         exit(1);
1048                                 }
1049                         }
1050                 ], [
1051                         AC_MSG_RESULT(ok)
1052                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1053                         large_CPPFLAGS="$large_CPPFLAGS $1"
1054                         large_offt=yes
1055                 ], [
1056                         AC_MSG_RESULT(no)
1057                 ], "")
1058                 CPPFLAGS=$large_CPPFLAGS
1059         ])
1060
1061         AC_MSG_CHECKING(if off_t is 64 bits wide)
1062         LARGE_FILES("")
1063         if test $large_offt = no; then
1064                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1065                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1066         fi
1067         if test $large_offt = no; then
1068                 AC_MSG_WARN([No 64 bit file size support available])
1069         fi
1070
1071         dnl *****************************
1072         dnl *** Checks for libsocket  ***
1073         dnl *****************************
1074         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1075
1076         dnl *******************************
1077         dnl *** Checks for MSG_NOSIGNAL ***
1078         dnl *******************************
1079         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1080         AC_TRY_COMPILE([#include <sys/socket.h>], [
1081                 int f = MSG_NOSIGNAL;
1082         ], [
1083                 # Yes, we have it...
1084                 AC_MSG_RESULT(yes)
1085                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1086         ], [
1087                 # We'll have to use signals
1088                 AC_MSG_RESULT(no)
1089         ])
1090
1091         dnl *****************************
1092         dnl *** Checks for SOL_IP     ***
1093         dnl *****************************
1094         AC_MSG_CHECKING(for SOL_IP)
1095         AC_TRY_COMPILE([#include <netdb.h>], [
1096                 int level = SOL_IP;
1097         ], [
1098                 # Yes, we have it...
1099                 AC_MSG_RESULT(yes)
1100                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1101         ], [
1102                 # We'll have to use getprotobyname
1103                 AC_MSG_RESULT(no)
1104         ])
1105
1106         dnl *****************************
1107         dnl *** Checks for SOL_IPV6     ***
1108         dnl *****************************
1109         AC_MSG_CHECKING(for SOL_IPV6)
1110         AC_TRY_COMPILE([#include <netdb.h>], [
1111                 int level = SOL_IPV6;
1112         ], [
1113                 # Yes, we have it...
1114                 AC_MSG_RESULT(yes)
1115                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1116         ], [
1117                 # We'll have to use getprotobyname
1118                 AC_MSG_RESULT(no)
1119         ])
1120
1121         dnl *****************************
1122         dnl *** Checks for SOL_TCP    ***
1123         dnl *****************************
1124         AC_MSG_CHECKING(for SOL_TCP)
1125         AC_TRY_COMPILE([#include <netdb.h>], [
1126                 int level = SOL_TCP;
1127         ], [
1128                 # Yes, we have it...
1129                 AC_MSG_RESULT(yes)
1130                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1131         ], [
1132                 # We'll have to use getprotobyname
1133                 AC_MSG_RESULT(no)
1134         ])
1135
1136         dnl *****************************
1137         dnl *** Checks for IP_PKTINFO ***
1138         dnl *****************************
1139         AC_MSG_CHECKING(for IP_PKTINFO)
1140         AC_TRY_COMPILE([#include <netdb.h>], [
1141                 int level = IP_PKTINFO;
1142         ], [
1143                 # Yes, we have it...
1144                 AC_MSG_RESULT(yes)
1145                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1146         ], [
1147                 AC_MSG_RESULT(no)
1148         ])
1149
1150         dnl *****************************
1151         dnl *** Checks for IPV6_PKTINFO ***
1152         dnl *****************************
1153         AC_MSG_CHECKING(for IPV6_PKTINFO)
1154         AC_TRY_COMPILE([#include <netdb.h>], [
1155                 int level = IPV6_PKTINFO;
1156         ], [
1157                 # Yes, we have it...
1158                 AC_MSG_RESULT(yes)
1159                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1160         ], [
1161                 AC_MSG_RESULT(no)
1162         ])
1163
1164         dnl **********************************
1165         dnl *** Checks for IP_DONTFRAGMENT ***
1166         dnl **********************************
1167         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1168         AC_TRY_COMPILE([#include <netdb.h>], [
1169                 int level = IP_DONTFRAGMENT;
1170         ], [
1171                 # Yes, we have it...
1172                 AC_MSG_RESULT(yes)
1173                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1174         ], [
1175                 AC_MSG_RESULT(no)
1176         ])
1177
1178         dnl **********************************
1179         dnl *** Checks for IP_MTU_DISCOVER ***
1180         dnl **********************************
1181         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1182         AC_TRY_COMPILE([#include <netdb.h>], [
1183                 int level = IP_MTU_DISCOVER;
1184         ], [
1185                 # Yes, we have it...
1186                 AC_MSG_RESULT(yes)
1187                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1188         ], [
1189                 AC_MSG_RESULT(no)
1190         ])
1191
1192         dnl *********************************
1193         dnl *** Check for struct ip_mreqn ***
1194         dnl *********************************
1195         AC_MSG_CHECKING(for struct ip_mreqn)
1196         AC_TRY_COMPILE([#include <netinet/in.h>], [
1197                 struct ip_mreqn mreq;
1198                 mreq.imr_address.s_addr = 0;
1199         ], [
1200                 # Yes, we have it...
1201                 AC_MSG_RESULT(yes)
1202                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1203         ], [
1204                 # We'll just have to try and use struct ip_mreq
1205                 AC_MSG_RESULT(no)
1206                 AC_MSG_CHECKING(for struct ip_mreq)
1207                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1208                         struct ip_mreq mreq;
1209                         mreq.imr_interface.s_addr = 0;
1210                 ], [
1211                         # Yes, we have it...
1212                         AC_MSG_RESULT(yes)
1213                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1214                 ], [
1215                         # No multicast support
1216                         AC_MSG_RESULT(no)
1217                 ])
1218         ])
1219
1220         dnl **********************************
1221         dnl *** Check for gethostbyname2_r ***
1222         dnl **********************************
1223         AC_MSG_CHECKING(for gethostbyname2_r)
1224                 AC_TRY_LINK([#include <netdb.h>], [
1225                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1226         ], [
1227                 # Yes, we have it...
1228                 AC_MSG_RESULT(yes)
1229                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1230         ], [
1231                 AC_MSG_RESULT(no)
1232         ])
1233
1234         dnl *****************************
1235         dnl *** Checks for libnsl     ***
1236         dnl *****************************
1237         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1238
1239         AC_CHECK_FUNCS(inet_pton inet_aton)
1240
1241         dnl ***********************************************
1242         dnl *** Checks for size of sockaddr_un.sun_path ***
1243         dnl ***********************************************
1244         # AC_CHECK_SIZEOF can't cope with struct members :-(
1245         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1246         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1247                 [AC_TRY_RUN([
1248                         #include <sys/types.h>
1249                         #include <stdio.h>
1250                         #include <sys/un.h>
1251
1252                         int main(void) {
1253                                 struct sockaddr_un sock_un;
1254                                 FILE *f=fopen("conftestval", "w");
1255                                 if(!f) exit(1);
1256                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1257                                 exit(0);
1258                         }
1259                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1260                    mono_cv_sizeof_sunpath=0,
1261                    mono_cv_sizeof_sunpath=0)])dnl
1262         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1263         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1264
1265         dnl *****************************
1266         dnl *** Checks for libxnet    ***
1267         dnl *****************************
1268         case "${host}" in
1269                 *solaris* )
1270                         AC_MSG_CHECKING(for Solaris XPG4 support)
1271                         if test -f /usr/lib/libxnet.so; then
1272                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1273                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1274                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1275                                 LIBS="$LIBS -lxnet"
1276                                 AC_MSG_RESULT(yes)
1277                         else
1278                                 AC_MSG_RESULT(no)
1279                         fi
1280
1281                         if test "$GCC" = "yes"; then
1282                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1283                         fi
1284                 ;;
1285         esac
1286
1287         dnl *****************************
1288         dnl *** Checks for libpthread ***
1289         dnl *****************************
1290 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1291 # and libpthread does not exist
1292 #
1293         case "${host}" in
1294                 *-*-*freebsd*)
1295                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1296                 ;;
1297                 *-*-*openbsd*)
1298                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1299                 ;;
1300                 *)
1301                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1302                 ;;
1303         esac
1304         AC_CHECK_HEADERS(pthread.h)
1305         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1306         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1307         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1308         AC_TRY_COMPILE([ #include <pthread.h>], [
1309                 pthread_mutexattr_t attr;
1310                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1311         ], [
1312                 AC_MSG_RESULT(ok)
1313         ], [
1314                 AC_MSG_RESULT(no)
1315                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1316                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1317         ])
1318         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1319         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1320         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1321
1322         dnl ***********************************
1323         dnl *** Checks for signals
1324         dnl ***********************************
1325         AC_CHECK_HEADERS(signal.h)
1326         AC_CHECK_FUNCS(sigaction)
1327
1328         dnl ***********************************
1329         dnl *** Checks for working __thread ***
1330         dnl ***********************************
1331         AC_MSG_CHECKING(for working __thread)
1332         if test "x$with_tls" != "x__thread"; then
1333                 AC_MSG_RESULT(disabled)
1334         else
1335                 AC_TRY_RUN([
1336                         #include <pthread.h>
1337                         __thread int i;
1338                         static int res1, res2;
1339
1340                         void thread_main (void *arg)
1341                         {
1342                                 i = arg;
1343                                 sleep (1);
1344                                 if (arg == 1)
1345                                         res1 = (i == arg);
1346                                 else
1347                                         res2 = (i == arg);
1348                         }
1349
1350                         int main () {
1351                                 pthread_t t1, t2;
1352
1353                                 i = 5;
1354
1355                                 pthread_create (&t1, NULL, thread_main, 1);
1356                                 pthread_create (&t2, NULL, thread_main, 2);
1357
1358                                 pthread_join (t1, NULL);
1359                                 pthread_join (t2, NULL);
1360
1361                                 return !(res1 + res2 == 2);
1362                         }
1363                 ], [
1364                                 AC_MSG_RESULT(yes)
1365                 ], [
1366                                 AC_MSG_RESULT(no)
1367                                 with_tls=pthread
1368                 ])
1369         fi
1370
1371         dnl **************************************
1372         dnl *** Checks for working sigaltstack ***
1373         dnl **************************************
1374         AC_MSG_CHECKING(for working sigaltstack)
1375         if test "x$with_sigaltstack" != "xyes"; then
1376                 AC_MSG_RESULT(disabled)
1377         else
1378                 AC_TRY_RUN([
1379                         #include <stdio.h>
1380                         #include <stdlib.h>
1381                         #include <unistd.h>
1382                         #include <signal.h>
1383                         #include <pthread.h>
1384                         #include <sys/wait.h>
1385                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1386                         #define SA_STACK SA_ONSTACK
1387                         #endif
1388                         static void
1389                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1390                         {
1391                                 exit (0);
1392                         }
1393
1394                         static void *
1395                         loop (void *ignored)
1396                         {
1397                                 char *ptr = NULL;
1398
1399                                 *ptr = 0;
1400                                 return NULL;
1401                         }
1402
1403                         static void
1404                         child ()
1405                         {
1406                                 struct sigaction sa;
1407                                 struct sigaltstack sas;
1408                                 pthread_t id;
1409                                 pthread_attr_t attr;
1410
1411                                 sa.sa_sigaction = sigsegv_signal_handler;
1412                                 sigemptyset (&sa.sa_mask);
1413                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1414                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1415                                         perror ("sigaction");
1416                                         return;
1417                                 }
1418
1419                                 sas.ss_sp = malloc (SIGSTKSZ);
1420                                 sas.ss_size = SIGSTKSZ;
1421                                 sas.ss_flags = 0;
1422                                 if (sigaltstack (&sas, NULL) == -1) {
1423                                         perror ("sigaltstack");
1424                                         return;
1425                                 }
1426
1427                                 pthread_attr_init (&attr);
1428                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1429                                         printf ("pthread_create\n");
1430                                         return;
1431                                 }
1432
1433                                 sleep (100);
1434                         }
1435
1436                         int
1437                         main ()
1438                         {
1439                                 pid_t son;
1440                                 int status;
1441                                 int i;
1442
1443                                 son = fork ();
1444                                 if (son == -1) {
1445                                         return 1;
1446                                 }
1447
1448                                 if (son == 0) {
1449                                         child ();
1450                                         return 0;
1451                                 }
1452
1453                                 for (i = 0; i < 3; ++i) {
1454                                         sleep (1);
1455                                         waitpid (son, &status, WNOHANG);
1456                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1457                                                 return 0;
1458                                 }
1459
1460                                 kill (son, SIGKILL);
1461                                 return 1;
1462                         }
1463
1464                 ], [
1465                                 AC_MSG_RESULT(yes)
1466                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1467                 ], [
1468                                 with_sigaltstack=no
1469                                 AC_MSG_RESULT(no)
1470                 ])
1471         fi
1472
1473         dnl ********************************
1474         dnl *** Checks for semaphore lib ***
1475         dnl ********************************
1476         # 'Real Time' functions on Solaris
1477         # posix4 on Solaris 2.6
1478         # pthread (first!) on Linux
1479         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1480
1481         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1482         AC_CHECK_FUNCS(shm_open)
1483
1484         dnl ********************************
1485         dnl *** Checks for timezone stuff **
1486         dnl ********************************
1487         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1488                 AC_TRY_COMPILE([
1489                         #include <time.h>
1490                         ], [
1491                         struct tm tm;
1492                         tm.tm_gmtoff = 1;
1493                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1494         if test $ac_cv_struct_tm_gmtoff = yes; then
1495                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1496         else
1497                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1498                         AC_TRY_COMPILE([
1499                                 #include <time.h>
1500                         ], [
1501                                 timezone = 1;
1502                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1503                 if test $ac_cv_var_timezone = yes; then
1504                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1505                 else
1506                         AC_ERROR(unable to find a way to determine timezone)
1507                 fi
1508         fi
1509
1510         dnl *********************************
1511         dnl *** Checks for math functions ***
1512         dnl *********************************
1513         AC_SEARCH_LIBS(sqrtf, m)
1514         if test "x$has_broken_apple_cpp" != "xyes"; then
1515                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1516                         AC_TRY_LINK([#include <math.h>],
1517                         [ finite(0.0); ],
1518                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1519                         AC_MSG_RESULT(no)))
1520         fi
1521         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1522                 AC_TRY_LINK([#include <math.h>],
1523                 [ isfinite(0.0); ],
1524                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1525                 AC_MSG_RESULT(no)))
1526
1527         dnl ****************************************************************
1528         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1529         dnl *** have it in the library (duh))                            ***
1530         dnl ****************************************************************
1531         AC_CHECK_FUNCS(poll)
1532
1533         dnl *************************
1534         dnl *** Check for signbit ***
1535         dnl *************************
1536         AC_MSG_CHECKING(for signbit)
1537         AC_TRY_LINK([#include <math.h>], [
1538                 int s = signbit(1.0);
1539         ], [
1540                 AC_MSG_RESULT(yes)
1541                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1542         ], [
1543                 AC_MSG_RESULT(no)
1544         ])
1545
1546         dnl **********************************
1547         dnl *** epoll                      ***
1548         dnl **********************************
1549         AC_CHECK_HEADERS(sys/epoll.h)
1550         haveepoll=no
1551         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1552         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1553                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1554         fi
1555
1556         havekqueue=no
1557         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1558                 AC_TRY_LINK([#include <sys/event.h>],
1559                 [ kqueue(); ],
1560                 AC_DEFINE(HAVE_KQUEUE, 1, [Have kqueue]) AC_MSG_RESULT(yes),
1561                 AC_MSG_RESULT(no)))
1562         dnl ******************************
1563         dnl *** Checks for SIOCGIFCONF ***
1564         dnl ******************************
1565         AC_CHECK_HEADERS(sys/ioctl.h)
1566         AC_CHECK_HEADERS(net/if.h, [], [],
1567            [
1568            #ifdef HAVE_SYS_TYPES_H
1569            # include <sys/types.h>
1570            #endif
1571            #ifdef HAVE_SYS_SOCKET_H
1572            # include <sys/socket.h>
1573            #endif
1574            ])
1575         AC_MSG_CHECKING(for ifreq)
1576         AC_TRY_COMPILE([
1577                 #include <stdio.h>
1578                 #include <sys/ioctl.h>
1579                 #include <net/if.h>
1580                 ], [
1581                 struct ifconf ifc;
1582                 struct ifreq *ifr;
1583                 void *x;
1584                 ifc.ifc_len = 0;
1585                 ifc.ifc_buf = NULL;
1586                 x = (void *) &ifr->ifr_addr;
1587                 ],[
1588                         AC_MSG_RESULT(yes)
1589                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1590                 ], [
1591                         AC_MSG_RESULT(no)
1592                 ])
1593         dnl **********************************
1594         dnl ***     Checks for sin_len     ***
1595         dnl **********************************
1596         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1597         AC_TRY_COMPILE([
1598                 #include <netinet/in.h>
1599                 ], [
1600                 struct sockaddr_in saddr;
1601                 saddr.sin_len = sizeof (saddr);
1602                 ],[
1603                         AC_MSG_RESULT(yes)
1604                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1605                 ], [
1606                         AC_MSG_RESULT(no)
1607                 ])
1608         dnl **********************************
1609         dnl ***    Checks for sin6_len     ***
1610         dnl **********************************
1611         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1612         AC_TRY_COMPILE([
1613                 #include <netinet/in.h>
1614                 ], [
1615                 struct sockaddr_in6 saddr6;
1616                 saddr6.sin6_len = sizeof (saddr6);
1617                 ],[
1618                         AC_MSG_RESULT(yes)
1619                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1620                 ], [
1621                         AC_MSG_RESULT(no)
1622                 ])
1623         dnl **********************************
1624         dnl *** Checks for MonoPosixHelper ***
1625         dnl **********************************
1626         AC_CHECK_HEADERS(checklist.h)
1627         AC_CHECK_HEADERS(pathconf.h)
1628         AC_CHECK_HEADERS(fstab.h)
1629         AC_CHECK_HEADERS(attr/xattr.h)
1630         AC_CHECK_HEADERS(sys/extattr.h)
1631         AC_CHECK_HEADERS(sys/sendfile.h)
1632         AC_CHECK_HEADERS(sys/statvfs.h)
1633         AC_CHECK_HEADERS(sys/statfs.h)
1634         AC_CHECK_HEADERS(sys/vfstab.h)
1635         AC_CHECK_HEADERS(sys/xattr.h)
1636         AC_CHECK_HEADERS(sys/mman.h)
1637         AC_CHECK_HEADERS(sys/param.h)
1638         AC_CHECK_HEADERS(sys/mount.h, [], [],
1639                 [
1640                 #ifdef HAVE_SYS_PARAM_H
1641                 # include <sys/param.h>
1642                 #endif
1643                 ])
1644         AC_CHECK_HEADERS(sys/mount.h)
1645         AC_CHECK_FUNCS(confstr)
1646         AC_CHECK_FUNCS(seekdir telldir)
1647         AC_CHECK_FUNCS(getdomainname)
1648         AC_CHECK_FUNCS(setdomainname)
1649         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1650         AC_CHECK_FUNCS(setgroups)
1651         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1652         AC_CHECK_FUNCS(getfsstat)
1653         AC_CHECK_FUNCS(lutimes futimes)
1654         AC_CHECK_FUNCS(mremap)
1655         AC_CHECK_FUNCS(remap_file_pages)
1656         AC_CHECK_FUNCS(posix_fadvise)
1657         AC_CHECK_FUNCS(posix_fallocate)
1658         AC_CHECK_FUNCS(posix_madvise)
1659         AC_CHECK_FUNCS(vsnprintf)
1660         AC_CHECK_FUNCS(sendfile)
1661         AC_CHECK_FUNCS(gethostid sethostid)
1662         AC_CHECK_FUNCS(sethostname)
1663         AC_CHECK_FUNCS(statfs)
1664         AC_CHECK_FUNCS(fstatfs)
1665         AC_CHECK_FUNCS(statvfs)
1666         AC_CHECK_FUNCS(fstatvfs)
1667         AC_CHECK_FUNCS(stime)
1668         AC_CHECK_FUNCS(strerror_r)
1669         AC_CHECK_FUNCS(ttyname_r)
1670         AC_CHECK_FUNCS(psignal)
1671         AC_CHECK_FUNCS(getlogin_r)
1672         AC_CHECK_FUNCS(lockf)
1673         AC_CHECK_FUNCS(swab)
1674         AC_CHECK_FUNCS(setusershell endusershell)
1675         AC_CHECK_SIZEOF(size_t)
1676         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1677                 [#include <sys/types.h>
1678                  #include <sys/stat.h>
1679                  #include <unistd.h>])
1680         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1681                 [#include <sys/types.h>
1682                  #include <sys/stat.h>
1683                  #include <unistd.h>])
1684         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1685                 [#include <sys/time.h>])
1686         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1687                 [#include <unistd.h>
1688                  #include <fcntl.h>])
1689         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1690                 [#include <sys/poll.h>])
1691         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1692                 [#include <sys/types.h>
1693                  #include <sys/stat.h>
1694                  #include <unistd.h>])
1695         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1696                 [#include <time.h>])
1697         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1698                 [#include <sys/time.h>
1699                  #include <sys/types.h>
1700                  #include <utime.h>])
1701         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1702                 [#include <sys/time.h>])
1703         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1704                 [#include <sys/types.h>
1705                  #include <utime.h>])
1706         AC_CHECK_MEMBERS(
1707                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1708                 [#include <sys/types.h>
1709                  #include <dirent.h>])
1710         AC_CHECK_MEMBERS(
1711                 [struct passwd.pw_gecos],,,
1712                 [#include <sys/types.h>
1713                  #include <pwd.h>])
1714         AC_CHECK_MEMBERS(
1715                 [struct statfs.f_flags],,,
1716                 [#include <sys/types.h>
1717                  #include <sys/vfs.h>])
1718
1719         dnl Favour xattr through glibc, but use libattr if we have to
1720         AC_CHECK_FUNC(lsetxattr, ,
1721                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1722         )
1723         AC_SUBST(XATTR_LIB)
1724
1725         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1726         AC_CHECK_MEMBERS(
1727                 [struct kinfo_proc.kp_proc],,,
1728                 [#include <sys/types.h>
1729                  #include <sys/param.h>
1730                  #include <sys/sysctl.h>
1731                  #include <sys/proc.h>
1732                  ])
1733
1734         dnl *********************************
1735         dnl *** Checks for Windows compilation ***
1736         dnl *********************************
1737         AC_CHECK_HEADERS(sys/time.h)
1738         AC_CHECK_HEADERS(sys/param.h)
1739         AC_CHECK_HEADERS(dirent.h)
1740
1741         dnl *********************************
1742         dnl *** Check for Console 2.0 I/O ***
1743         dnl *********************************
1744         AC_CHECK_HEADERS([curses.h])
1745         AC_CHECK_HEADERS([term.h], [], [],
1746         [#if HAVE_CURSES_H
1747          #include <curses.h>
1748          #endif
1749         ])
1750         AC_CHECK_HEADERS([termios.h])
1751
1752         dnl * This is provided in io-layer, but on windows it's only available
1753         dnl * on xp+
1754         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1755 else
1756         dnl *********************************
1757         dnl *** Checks for Windows compilation ***
1758         dnl *********************************
1759         AC_CHECK_HEADERS(winternl.h)
1760
1761         jdk_headers_found=no
1762         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1763         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1764         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1765         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1766         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1767         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1768         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1769
1770         dnl *********************************
1771         dnl *** Check for struct ip_mreqn ***
1772         dnl *********************************
1773         AC_MSG_CHECKING(for struct ip_mreqn)
1774         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1775                 struct ip_mreqn mreq;
1776                 mreq.imr_address.s_addr = 0;
1777         ], [
1778                 # Yes, we have it...
1779                 AC_MSG_RESULT(yes)
1780                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1781         ], [
1782                 # We'll just have to try and use struct ip_mreq
1783                 AC_MSG_RESULT(no)
1784                 AC_MSG_CHECKING(for struct ip_mreq)
1785                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1786                         struct ip_mreq mreq;
1787                         mreq.imr_interface.s_addr = 0;
1788                 ], [
1789                         # Yes, we have it...
1790                         AC_MSG_RESULT(yes)
1791                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1792                 ], [
1793                         # No multicast support
1794                         AC_MSG_RESULT(no)
1795                 ])
1796         ])
1797         AC_CHECK_FUNCS(GetProcessId)
1798 fi
1799
1800 dnl socklen_t check
1801 AC_MSG_CHECKING(for socklen_t)
1802 AC_TRY_COMPILE([
1803 #include <sys/types.h>
1804 #include <sys/socket.h>
1805 ],[
1806   socklen_t foo;
1807 ],[
1808 ac_cv_c_socklen_t=yes
1809         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1810         AC_MSG_RESULT(yes)
1811 ],[
1812         AC_MSG_RESULT(no)
1813 ])
1814
1815 AC_MSG_CHECKING(for array element initializer support)
1816 AC_TRY_COMPILE([#include <sys/socket.h>], [
1817         const int array[] = {[1] = 2,};
1818 ], [
1819         # Yes, we have it...
1820         AC_MSG_RESULT(yes)
1821         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1822 ], [
1823         # We'll have to use signals
1824         AC_MSG_RESULT(no)
1825 ])
1826
1827 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1828         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1829         AC_TRY_LINK([#include <math.h>],
1830         [ static void *p = &trunc; ],
1831         [
1832                 AC_DEFINE(HAVE_TRUNC)
1833                 AC_MSG_RESULT(yes)
1834                 ac_cv_trunc=yes
1835         ],
1836         AC_MSG_RESULT(no)))
1837
1838 if test "x$ac_cv_truncl" != "xyes"; then
1839    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1840 fi
1841
1842 AC_CHECK_FUNCS(round)
1843 AC_CHECK_FUNCS(rint)
1844 AC_CHECK_FUNCS(execvp)
1845
1846 dnl ****************************
1847 dnl *** Look for /dev/random ***
1848 dnl ****************************
1849
1850 AC_MSG_CHECKING([if usage of random device is requested])
1851 AC_ARG_ENABLE(dev-random,
1852 [  --disable-dev-random    disable the use of the random device (enabled by default)],
1853 try_dev_random=$enableval, try_dev_random=yes)
1854
1855 AC_MSG_RESULT($try_dev_random)
1856
1857 case "{$build}" in
1858     *-openbsd*)
1859     NAME_DEV_RANDOM="/dev/srandom"
1860     ;;
1861
1862 dnl Win32 does not have /dev/random, they have their own method...
1863
1864     *-mingw*|*-*-cygwin*)
1865     ac_cv_have_dev_random=no
1866     ;;
1867
1868 dnl Everywhere else, it's /dev/random
1869
1870     *)
1871     NAME_DEV_RANDOM="/dev/random"
1872     ;;
1873 esac
1874
1875 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1876
1877 dnl Now check if the device actually exists
1878
1879 if test "x$try_dev_random" = "xyes"; then
1880     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1881     [if test -r "$NAME_DEV_RANDOM" ; then
1882         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1883     if test "x$ac_cv_have_dev_random" = "xyes"; then
1884         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1885     fi
1886 else
1887     AC_MSG_CHECKING(for random device)
1888     ac_cv_have_dev_random=no
1889     AC_MSG_RESULT(has been disabled)
1890 fi
1891
1892 if test "x$host_win32" = "xyes"; then
1893     AC_DEFINE(HAVE_CRYPT_RNG)
1894 fi
1895
1896 if test "x$ac_cv_have_dev_random" = "xno" \
1897     && test "x$host_win32" = "xno"; then
1898     AC_MSG_WARN([[
1899 ***
1900 *** A system-provided entropy source was not found on this system.
1901 *** Because of this, the System.Security.Cryptography random number generator
1902 *** will throw a NotImplemented exception.
1903 ***
1904 *** If you are seeing this message, and you know your system DOES have an
1905 *** entropy collection in place, please contact <crichton@gimp.org> and
1906 *** provide information about the system and how to access the random device.
1907 ***
1908 *** Otherwise you can install either egd or prngd and set the environment
1909 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1910 ***]])
1911 fi
1912
1913 AC_MSG_CHECKING([if inter-process shared handles are requested])
1914 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1915 AC_MSG_RESULT($try_shared_handles)
1916 if test "x$try_shared_handles" != "xyes"; then
1917         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1918         AC_SUBST(DISABLE_SHARED_HANDLES)
1919 fi
1920
1921 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
1922 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1923
1924 AC_MSG_CHECKING([if big-arrays are to be enabled])
1925 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1926 if test "x$enable_big_arrays" = "xyes" ; then
1927     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1928         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1929     else
1930         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1931     fi
1932 fi
1933 AC_MSG_RESULT($enable_big_arrays)
1934
1935 dnl **************
1936 dnl *** DTRACE ***
1937 dnl **************
1938
1939 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1940
1941 if test "x$enable_dtrace" = "xyes"; then
1942    if test "x$has_dtrace" = "xno"; then
1943           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1944    fi
1945    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1946    if test "x$DTRACE" = "xno"; then
1947           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1948           enable_dtrace=no
1949    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
1950           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
1951           enable_dtrace=no
1952    fi
1953 fi
1954
1955 dtrace_g=no
1956 if test "x$enable_dtrace" = "xyes"; then
1957         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1958         DTRACEFLAGS=
1959         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1960                 case "$host" in
1961                         powerpc-*-darwin*)
1962                         DTRACEFLAGS="-arch ppc64"
1963                         ;;
1964                         i*86-*-darwin*)
1965                         DTRACEFLAGS="-arch x86_64"
1966                         ;;
1967                         *)
1968                         DTRACEFLAGS=-64
1969                         ;;
1970                 esac
1971         else
1972                 case "$host" in
1973                         powerpc-*-darwin*)
1974                         DTRACEFLAGS="-arch ppc"
1975                         ;;
1976                         i*86-*-darwin*)
1977                         DTRACEFLAGS="-arch i386"
1978                         ;;
1979                         *)
1980                         DTRACEFLAGS=-32
1981                         ;;
1982                 esac
1983         fi
1984         AC_SUBST(DTRACEFLAGS)
1985         case "$host" in
1986                 *-*-solaris*)
1987                 dtrace_g=yes
1988                 ;;
1989         esac
1990         AC_CHECK_HEADERS([sys/sdt.h])
1991 fi
1992 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1993 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1994
1995 dnl **************
1996 dnl ***  NaCl  ***
1997 dnl **************
1998
1999 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2000 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2001
2002 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2003 if test "x$enable_nacl_codegen" = "xyes"; then
2004    MONO_NACL_ALIGN_MASK_OFF=1
2005    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2006    AC_DEFINE(TARGET_NACL, 1, [...])
2007 else
2008    MONO_NACL_ALIGN_MASK_OFF=0
2009    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2010 fi
2011 if test "x$enable_nacl_gc" = "xyes"; then
2012    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2013 fi
2014 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2015
2016 dnl **************
2017 dnl ***  LLVM  ***
2018 dnl **************
2019
2020 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2021 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2022
2023 if test "x$enable_llvm" = "xyes"; then
2024    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2025    if test "x$LLVM_CONFIG" = "xno"; then
2026           AC_MSG_ERROR([llvm-config not found.])
2027    fi
2028
2029    # The output of --cflags seems to include optimizations flags too
2030    LLVM_CFLAGS=`$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'`
2031    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2032    # from LLVM classes.
2033    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2034    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2035    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
2036    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2037
2038    # Should be something like '2.6' or '2.7svn'
2039    llvm_version=`$LLVM_CONFIG --version`
2040    major_version=`echo $llvm_version | cut -c 1`
2041    minor_version=`echo $llvm_version | cut -c 3`
2042    if echo $llvm_version | grep -q 'mono'; then
2043           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2044           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2045    fi
2046
2047    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2048    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2049    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2050
2051    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2052    # llvm's config.h
2053    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2054
2055    AC_SUBST(LLVM_CFLAGS)
2056    AC_SUBST(LLVM_CXXFLAGS)
2057    AC_SUBST(LLVM_LIBS)
2058    AC_SUBST(LLVM_LDFLAGS)
2059    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2060 fi
2061
2062 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2063 if test "x$enable_loadedllvm" = "xyes"; then
2064    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2065 fi
2066 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2067
2068 TARGET="unknown"
2069 ACCESS_UNALIGNED="yes"
2070
2071 JIT_SUPPORTED=no
2072 INTERP_SUPPORTED=no
2073 LIBC="libc.so.6"
2074 INTL="libc.so.6"
2075 SQLITE="libsqlite.so.0"
2076 SQLITE3="libsqlite3.so.0"
2077 X11="libX11.so"
2078
2079 sizeof_register="SIZEOF_VOID_P"
2080
2081 jit_wanted=true
2082 interp_wanted=false
2083 sgen_supported=false
2084 case "$host" in
2085 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2086 #               TARGET=MIPS;
2087 #               ACCESS_UNALIGNED="no"
2088 #               ;;
2089         mips*)
2090                 TARGET=MIPS;
2091                 arch_target=mips;
2092                 ACCESS_UNALIGNED="no"
2093                 JIT_SUPPORTED=yes
2094
2095                 AC_MSG_CHECKING(for mips n32)
2096                 AC_TRY_COMPILE([], [
2097                 void main () {
2098                 #if _MIPS_SIM != _ABIN32
2099                 #error Not mips n32
2100                 #endif
2101                 }
2102                 ],[
2103                 AC_MSG_RESULT(yes)
2104                 sizeof_register=8
2105                 ],[
2106                 AC_MSG_RESULT(no)
2107                 ])
2108                 ;;
2109         i*86-*-*)
2110                 TARGET=X86;
2111                 arch_target=x86;
2112                 JIT_SUPPORTED=yes
2113                 case $host_os in
2114                   solaris*)
2115                         LIBC="libc.so"
2116                         INTL="libintl.so"
2117                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2118                                 TARGET=AMD64
2119                                 arch_target=amd64
2120                         fi
2121
2122                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2123                         # int astruct __attribute__ ((visibility ("hidden")));
2124                         # void foo ()
2125                         # {
2126                         #       void *p = &astruct;
2127                         # }
2128                         # gcc -fPIC --shared -o libfoo.so foo.c
2129                         # yields:
2130                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2131                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2132                         have_visibility_hidden=no
2133                         sgen_supported=true
2134                         ;;
2135                   cygwin*)
2136                         have_visibility_hidden=no
2137                         ;;
2138                   haiku*)
2139                         LIBC=libroot.so
2140                         ;;
2141                   linux*)
2142                         sgen_supported=true
2143                         AOT_SUPPORTED="yes"
2144                         ;;
2145                   darwin*|openbsd*|freebsd*)
2146                         sgen_supported=true
2147                         ;;
2148                 esac
2149                 ;;
2150         x86_64-*-* | amd64-*-*)
2151                 TARGET=AMD64;
2152                 arch_target=amd64;
2153                 JIT_SUPPORTED=yes
2154                 case $host_os in
2155                   linux*)
2156                         sgen_supported=true
2157                         AOT_SUPPORTED="yes"
2158                         ;;
2159                   darwin*|openbsd*|freebsd*)
2160                         sgen_supported=true
2161                         ;;
2162                 esac
2163                 case "$host" in
2164                         x86_64-*-nacl*)
2165                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2166                                 sizeof_register=8
2167                                 ;;
2168                 esac
2169                 ;;
2170         ia64-*-*)
2171                 TARGET=IA64
2172                 arch_target=ia64
2173                 ACCESS_UNALIGNED="no"
2174                 JIT_SUPPORTED=yes
2175                 LIBC="libc.so.6.1"
2176                 INTL="libc.so.6.1"
2177                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2178                 libmono_ldflags="-lunwind"
2179                 ;;
2180         sparc*-*-*)
2181                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2182                    TARGET=SPARC64
2183                 else
2184                         TARGET=SPARC
2185                 fi
2186                 arch_target=sparc;
2187                 JIT_SUPPORTED=yes
2188                 ACCESS_UNALIGNED="no"
2189                 case $host_os in
2190                   linux*) ;;
2191                   *)
2192                         LIBC="libc.so"
2193                         INTL="libintl.so"
2194                 esac
2195                 if test x"$GCC" = xyes; then
2196                         # We don't support v8 cpus
2197                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2198                 fi
2199                 if test x"$AR" = xfalse; then
2200                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2201                 fi
2202                 sgen_supported=true
2203                 ;;
2204        alpha*-*-linux* | alpha*-*-osf*)
2205                 TARGET=ALPHA;
2206                 ACCESS_UNALIGNED="no"
2207                 JIT_SUPPORTED=yes
2208                 arch_target=alpha;
2209                 CFLAGS="$CFLAGS -mieee -O0"
2210                 case $host_os in
2211                   linux*)
2212                         LIBC="libc.so.6.1"
2213                         INTL="libc.so.6.1"
2214                 esac
2215                ;;
2216         *-mingw*|*-*-cygwin*)
2217                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2218                 have_visibility_hidden=no
2219                 INTL="intl"
2220                 ;;
2221         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2222                 TARGET=HPPA;
2223                 arch_target=hppa;
2224                 LIBC="libc.sl"
2225                 ACCESS_UNALIGNED="no"
2226                 INTERP_SUPPORTED=yes
2227                 interp_wanted=true
2228                 ;;
2229         hppa*linux*)
2230                 TARGET=HPPA;
2231                 arch_target=hppa;
2232                 ACCESS_UNALIGNED="no"
2233                 JIT_SUPPORTED=yes
2234                 ;;
2235         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2236         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2237                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2238                         TARGET=POWERPC64;
2239                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2240                         CFLAGS="$CFLAGS -mminimal-toc"
2241                 else
2242                         TARGET=POWERPC;
2243                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2244                 fi
2245                 arch_target=ppc;
2246                 JIT_SUPPORTED=yes
2247                 case $host_os in
2248                   linux*|darwin*)
2249                         sgen_supported=true
2250                         ;;
2251                 esac
2252                 ;;
2253         arm*-darwin*)
2254                 TARGET=ARM;
2255                 arch_target=arm;
2256                 ACCESS_UNALIGNED="no"
2257                 JIT_SUPPORTED=yes
2258                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2259                 # libgc's gc_locks.h depends on this
2260             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2261                 sgen_supported=true
2262                 ;;
2263         arm*-linux*)
2264                 TARGET=ARM;
2265                 arch_target=arm;
2266                 ACCESS_UNALIGNED="no"
2267                 JIT_SUPPORTED=yes
2268                 sgen_supported=true
2269                 AOT_SUPPORTED="yes"
2270                 ;;
2271         s390-*-linux*)
2272                 TARGET=S390;
2273                 arch_target=s390;
2274                 ACCESS_UNALIGNED="yes"
2275                 JIT_SUPPORTED=yes
2276                 sgen_supported=true
2277                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2278                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2279                 ;;
2280         s390x-*-linux*)
2281                 TARGET=S390x;
2282                 arch_target=s390x;
2283                 ACCESS_UNALIGNED="yes"
2284                 JIT_SUPPORTED=yes
2285                 sgen_supported=true
2286                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2287                 ;;
2288 esac
2289
2290 if test "x$host" != "x$target"; then
2291    case "$target" in
2292    powerpc64-ps3-linux-gnu)
2293                 TARGET=POWERPC64
2294                 arch_target=powerpc64
2295                 AC_DEFINE(TARGET_PS3, 1, [...])
2296                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2297                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2298                 # uses this define
2299                 AC_DEFINE(__mono_ppc64__, 1, [...])
2300                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2301                 sizeof_register=8
2302                 target_byte_order=G_BIG_ENDIAN
2303                 ;;
2304
2305    powerpc64-xbox360-linux-gnu)
2306                 TARGET=POWERPC64
2307                 arch_target=powerpc64
2308                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2309                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2310                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2311                 # uses this define
2312                 sizeof_register=8
2313                 target_byte_order=G_BIG_ENDIAN
2314                 ;;
2315    x86_64-*-nacl)
2316                 TARGET=AMD64
2317                 arch_target=amd64
2318                 AC_DEFINE(TARGET_AMD64, 1, [...])
2319                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2320                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2321                 sizeof_register=8
2322                 ;;
2323    armv7l-unknown-linux-gnueabi*)
2324                 # TEGRA
2325                 TARGET=ARM;
2326                 arch_target=arm;
2327                 ACCESS_UNALIGNED="no"
2328                 JIT_SUPPORTED=yes
2329                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
2330                 jit_wanted=true
2331                 # Can't use tls, since it depends on the runtime detection of tls offsets
2332                 # in mono-compiler.h
2333                 with_tls=pthread
2334                 ;;
2335    armv5tel-unknown-linux-gnueabi*)
2336                 TARGET=ARM;
2337                 arch_target=arm;
2338                 ACCESS_UNALIGNED="no"
2339                 JIT_SUPPORTED=yes
2340                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2341                 jit_wanted=true
2342                 # Can't use tls, since it depends on the runtime detection of tls offsets
2343                 # in mono-compiler.h
2344                 with_tls=pthread
2345                 ;;
2346         *)
2347                 AC_MSG_WARN([Cross compiling is only supported for targets matching 'powerpc64-{ps3,xbox360}-linux-gnu'])
2348         esac
2349 fi
2350
2351 # FIXME: Define the others as well
2352 case "$TARGET" in
2353 X86)
2354         AC_DEFINE(TARGET_X86, 1, [...])
2355         ;;
2356 AMD64)
2357         AC_DEFINE(TARGET_AMD64, 1, [...])
2358         ;;
2359 ARM)
2360         AC_DEFINE(TARGET_ARM, 1, [...])
2361         ;;
2362 POWERPC)
2363         AC_DEFINE(TARGET_POWERPC, 1, [...])
2364         ;;
2365 POWERPC64)
2366         AC_DEFINE(TARGET_POWERPC, 1, [...])
2367         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2368         ;;
2369 S390x)
2370         AC_DEFINE(TARGET_S390X, 1, [...])
2371         ;;
2372 esac
2373
2374 if test "x$sizeof_register" = "x4"; then
2375    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2376 elif test "x$sizeof_register" = "x8"; then
2377    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2378 else
2379    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2380 fi
2381
2382 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2383    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2384 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2385    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2386 else
2387    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2388 fi
2389
2390 if test "x$have_visibility_hidden" = "xyes"; then
2391    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2392 fi
2393
2394 if test "x$have_deprecated" = "xyes"; then
2395    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2396 fi
2397
2398 dnl
2399 dnl Simple Generational checks (sgen)
2400 dnl
2401 if $sgen_supported; then
2402    build_sgen_default=yes
2403 else
2404    build_sgen_default=no
2405 fi
2406 SGEN_DEFINES=
2407 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2408 if test x$buildsgen = xyes; then
2409    if $sgen_supported; then
2410        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR -DHAVE_WRITE_BARRIERS"
2411        gc_msg="sgen and $gc_msg"
2412    else
2413        buildsgen=no
2414        AC_MSG_WARN("Sgen is not supported on this platform")
2415    fi
2416 fi
2417 AC_SUBST(SGEN_DEFINES)
2418 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2419
2420 USEJIT=false
2421 if test x$JIT_SUPPORTED = xyes; then
2422    if $jit_wanted; then
2423       USEJIT=true
2424       jit_status="Building and using the JIT"
2425    else
2426       if $interp_wanted; then
2427          jit_status="Building the JIT, defaulting to the interpreter"
2428       else
2429          AC_ERROR(No JIT or interpreter support available or selected.)
2430       fi
2431    fi
2432 else
2433    if test x$interp_wanted = xtrue; then
2434       jit_status="interpreter"
2435    else
2436       AC_ERROR(No JIT or interpreter support available or selected.)
2437    fi
2438 fi
2439
2440 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2441
2442 libsuffix=".so"
2443
2444 case "$host" in
2445      *-*-darwin*)
2446         libsuffix=".dylib"
2447         LIBC="libc.dylib"
2448         INTL="libintl.dylib"
2449         SQLITE="libsqlite.0.dylib"
2450         SQLITE3="libsqlite3.0.dylib"
2451         X11="libX11.dylib"
2452         ;;
2453      *-*-*netbsd*)
2454         LIBC="libc.so.12"
2455         INTL="libintl.so.0"
2456         ;;
2457     *-*-*freebsd*)
2458         LIBC="libc.so"
2459         INTL="libintl.so"
2460         SQLITE="libsqlite.so"
2461         SQLITE3="libsqlite3.so"
2462         ;;
2463     *-*-*openbsd*)
2464         LIBC="libc.so"
2465         INTL="libintl.so"
2466         SQLITE="libsqlite.so"
2467         SQLITE3="libsqlite3.so"
2468         ;;
2469     *-*-*linux*)
2470         AC_PATH_X
2471         AC_MSG_CHECKING(for the soname of libX11.so)
2472         for i in $x_libraries /usr/lib /usr/lib64; do
2473                 for r in 4 5 6; do
2474                         if test -f $i/libX11.so.$r; then
2475                                 X11=libX11.so.$r
2476                                 AC_MSG_RESULT($X11)
2477                         fi
2478                 done
2479         done
2480
2481         if test "x$X11" = "xlibX11.so"; then
2482                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2483         fi
2484         ;;
2485 esac
2486
2487
2488 AC_SUBST(libsuffix)
2489
2490 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2491         if test "x$with_tls" = "x__thread"; then
2492                 #
2493                 # On some linux distributions, TLS works in executables, but linking
2494                 # against a shared library containing TLS fails with:
2495                 # undefined reference to `__tls_get_addr'
2496                 #
2497                 rm -f conftest.c conftest.so conftest
2498                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2499                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2500                 $CC -o conftest conftest.so > /dev/null 2>&1
2501                 if test ! -f conftest; then
2502                    AC_MSG_WARN([Disabling usage of __thread.]);
2503                    with_tls=pthread
2504                 fi
2505                 rm -f conftest.c conftest.so conftest
2506         fi
2507 fi
2508
2509 mono_debugger_supported=no
2510 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2511 if test "x$try_mono_debugger" = "xyes"; then
2512         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2513                 if test x$use_included_gc = xyes; then
2514                         case "$host" in
2515                         *-*-*linux*)
2516                                 mono_debugger_supported=yes
2517                                 ;;
2518                         *86-apple-darwin*)
2519                                 mono_debugger_supported=yes
2520                                 ;;
2521                         esac
2522                 fi
2523         fi
2524 fi
2525
2526 # disable the debugger entirely when building with moonlight
2527 if test "x$with_moonlight" != "xno"; then
2528         mono_debugger_supported=no
2529 fi
2530
2531 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2532 if test "x$mono_debugger_supported" = "xyes"; then
2533         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2534         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2535 fi
2536 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2537 AC_MSG_RESULT($mono_debugger_supported)
2538
2539 if test "x$with_tls" = "x__thread"; then
2540         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2541         # Pass the information to libgc
2542         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2543         AC_MSG_CHECKING(if the tls_model attribute is supported)
2544         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2545                 ], [
2546                         AC_MSG_RESULT(yes)
2547                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2548                 ], [
2549                         AC_MSG_RESULT(no)
2550         ])
2551 fi
2552
2553 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2554         dnl ******************************************
2555         dnl *** Check to see what FPU is available ***
2556         dnl ******************************************
2557         AC_MSG_CHECKING(which FPU to use)
2558
2559         ORIG_CFLAGS=$CFLAGS
2560         CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2561         AC_TRY_RUN([
2562                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2563                         ], fpu=VFP, fpu=NONE)
2564         CFLAGS=$ORIG_CFLAGS
2565
2566         if test x$fpu = xNONE; then
2567                 AC_TRY_COMPILE([], [
2568                         __asm__ ("ldfd f0, [r0]");
2569                         ], fpu=FPA, fpu=NONE)
2570         fi
2571
2572         AC_MSG_RESULT($fpu)
2573         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2574         unset fpu
2575
2576         AC_MSG_CHECKING(for ARMV6)
2577         AC_TRY_RUN([
2578                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2579                         ], armv6=yes, armv6=no)
2580
2581         AC_MSG_RESULT($armv6)
2582         if test ${armv6} = yes; then
2583            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2584            # libgc's gc_locks.h depends on this
2585            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2586         fi
2587 fi
2588
2589 if test ${TARGET} = unknown; then
2590         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2591         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2592 fi
2593
2594 if test ${ACCESS_UNALIGNED} = no; then
2595         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2596 fi
2597
2598 case "x$gc" in
2599         xincluded)
2600                 # Pass CPPFLAGS to libgc configure
2601                 # We should use a separate variable for this to avoid passing useless and
2602                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2603                 # This should be executed late so we pick up the final version of CPPFLAGS
2604                 # The problem with this approach, is that during a reconfigure, the main
2605                 # configure scripts gets invoked with these arguments, so we use separate
2606                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2607                 LIBGC_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2608                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2609                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2610                 fi
2611                 # Don't pass -finstrument-for-thread-suspension in,
2612                 # if these are instrumented it will be very bad news
2613                 # (infinite recursion, undefined parking behavior, etc)
2614                 LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2615                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2616                 AC_CONFIG_SUBDIRS(libgc)
2617                 ;;
2618 esac
2619
2620 #AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
2621 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                  [], [with_profile4=yes])
2622 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid 2.1 assemblies (defaults to no)], [], [with_monodroid=no])
2623 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
2624
2625 OPROFILE=no
2626 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2627         if test x$with_oprofile != xno; then
2628             oprofile_include=$with_oprofile/include
2629             if test ! -f $oprofile_include/opagent.h; then
2630                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2631                 fi
2632             OPROFILE=yes
2633                 OPROFILE_CFLAGS="-I$oprofile_include"
2634             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2635             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2636         fi
2637 ])
2638
2639 MALLOC_MEMPOOLS=no
2640 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2641         if test x$with_malloc_mempools = xyes; then
2642                 MALLOC_MEMPOOLS=yes
2643                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2644         fi
2645 ])
2646
2647
2648 DISABLE_MCS_DOCS=no
2649 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2650         if test x$with_mcs_docs != xyes; then
2651                 DISABLE_MCS_DOCS=yes
2652         fi
2653 ])
2654 if test x$with_profile4 != xyes; then
2655         DISABLE_MCS_DOCS=yes
2656 fi
2657
2658 MOONLIGHT_DEFINES=
2659 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2660         if test x$with_moonlight != xno; then
2661         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2662         fi
2663 ], [with_moonlight=no])
2664 AC_SUBST(MOONLIGHT_DEFINES)
2665
2666 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2667         if test "x$with_moon_gc" != "xsgen"; then
2668                 with_moon_gc=boehm
2669         fi
2670 ], [with_moon_gc=boehm])
2671
2672 AC_CHECK_HEADER([malloc.h],
2673                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2674                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2675
2676 dnl
2677 dnl Consistency settings
2678 dnl
2679 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2680    DISABLE_MCS_DOCS=yes
2681 fi
2682
2683 if test x$DISABLE_MCS_DOCS = xyes; then
2684    docs_dir=""
2685 else
2686    docs_dir=docs
2687 fi
2688 AC_SUBST(docs_dir)
2689
2690 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2691 AC_SUBST(OPROFILE_CFLAGS)
2692 AC_SUBST(OPROFILE_LIBS)
2693
2694 libmono_ldflags="$libmono_ldflags $LIBS"
2695
2696 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2697 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2698 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2699 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2700
2701 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2702 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
2703 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
2704
2705 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2706 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2707 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2708 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2709 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2710 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2711 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2712 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2713 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2714 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2715 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2716 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2717 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2718 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2719 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2720 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2721
2722 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2723 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2724 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2725
2726 AC_SUBST(LIBC)
2727 AC_SUBST(INTL)
2728 AC_SUBST(SQLITE)
2729 AC_SUBST(SQLITE3)
2730 AC_SUBST(X11)
2731 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2732 AC_SUBST(arch_target)
2733 AC_SUBST(CFLAGS)
2734 AC_SUBST(CPPFLAGS)
2735 AC_SUBST(LDFLAGS)
2736
2737 mono_build_root=`pwd`
2738 AC_SUBST(mono_build_root)
2739
2740 if test x$USEJIT = xtrue; then
2741   mono_runtime=mono/mini/mono
2742 else
2743   mono_runtime=mono/interpreter/mint
2744 fi
2745 AC_SUBST(mono_runtime)
2746
2747 mono_cfg_root=$mono_build_root/runtime
2748 if test x$host_win32 = xyes; then
2749   if test "x$cross_compiling" = "xno"; then
2750     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2751   else
2752     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2753   fi
2754 else
2755   mono_cfg_dir=$mono_cfg_root/etc
2756 fi
2757 AC_SUBST(mono_cfg_dir)
2758
2759 AC_CONFIG_FILES([po/mcs/Makefile.in])
2760
2761 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2762 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2763
2764 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2765 [   depth=../../../..
2766     case $srcdir in
2767     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2768     .) reldir=$depth ;;
2769     *) reldir=$depth/$srcdir ;;
2770     esac
2771     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2772     cd runtime/etc/mono/1.0
2773     rm -f machine.config
2774     $LN_S $reldir/data/net_1_1/machine.config machine.config
2775     cd $depth
2776 ],[LN_S='$LN_S'])
2777
2778 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2779 [   depth=../../../..
2780     case $srcdir in
2781     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2782     .) reldir=$depth ;;
2783     *) reldir=$depth/$srcdir ;;
2784     esac
2785     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2786     cd runtime/etc/mono/2.0
2787     rm -f machine.config
2788     $LN_S $reldir/data/net_2_0/machine.config machine.config
2789     cd $depth
2790 ],[LN_S='$LN_S'])
2791
2792 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2793 [   depth=../../../..
2794     case $srcdir in
2795     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2796     .) reldir=$depth ;;
2797     *) reldir=$depth/$srcdir ;;
2798     esac
2799     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2800     cd runtime/etc/mono/2.0
2801     rm -f web.config
2802     $LN_S $reldir/data/net_2_0/web.config web.config
2803     cd $depth
2804 ],[LN_S='$LN_S'])
2805
2806 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2807 [   depth=../../..
2808     case $srcdir in
2809     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2810     .) reldir=$depth ;;
2811     *) reldir=$depth/$srcdir ;;
2812     esac
2813     $ac_aux_dir/install-sh -d runtime/etc/mono/
2814     cd runtime/etc/mono/
2815     rm -f browscap.ini
2816     $LN_S $reldir/data/browscap.ini browscap.ini
2817     cd $depth
2818 ],[LN_S='$LN_S'])
2819
2820 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2821 [   depth=../../../../..
2822     case $srcdir in
2823     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2824     .) reldir=$depth ;;
2825     *) reldir=$depth/$srcdir ;;
2826     esac
2827     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2828     cd runtime/etc/mono/2.0/Browsers
2829     rm -f Compat.browser
2830     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2831     cd $depth
2832 ],[LN_S='$LN_S'])
2833
2834 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
2835 [   depth=../../../..
2836     case $srcdir in
2837     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2838     .) reldir=$depth ;;
2839     *) reldir=$depth/$srcdir ;;
2840     esac
2841     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2842     cd runtime/etc/mono/4.0
2843     rm -f machine.config
2844     $LN_S $reldir/data/net_4_0/machine.config machine.config
2845     cd $depth
2846 ],[LN_S='$LN_S'])
2847
2848 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
2849 [   depth=../../../..
2850     case $srcdir in
2851     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2852     .) reldir=$depth ;;
2853     *) reldir=$depth/$srcdir ;;
2854     esac
2855     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
2856     cd runtime/etc/mono/4.0
2857     rm -f web.config
2858     $LN_S $reldir/data/net_4_0/web.config web.config
2859     cd $depth
2860 ],[LN_S='$LN_S'])
2861
2862 if test x$enable_quiet_build = xyes; then
2863    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])
2864    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])
2865 fi
2866
2867 AC_OUTPUT([
2868 Makefile
2869 mono-core.spec
2870 mono-uninstalled.pc
2871 scripts/mono-find-provides
2872 scripts/mono-find-requires
2873 mono/Makefile
2874 mono/utils/Makefile
2875 mono/metadata/Makefile
2876 mono/dis/Makefile
2877 mono/cil/Makefile
2878 mono/arch/Makefile
2879 mono/arch/x86/Makefile
2880 mono/arch/amd64/Makefile
2881 mono/arch/hppa/Makefile
2882 mono/arch/ppc/Makefile
2883 mono/arch/sparc/Makefile
2884 mono/arch/s390/Makefile
2885 mono/arch/s390x/Makefile
2886 mono/arch/arm/Makefile
2887 mono/arch/alpha/Makefile
2888 mono/arch/ia64/Makefile
2889 mono/arch/mips/Makefile
2890 mono/interpreter/Makefile
2891 mono/tests/Makefile
2892 mono/tests/tests-config
2893 mono/tests/assemblyresolve/Makefile
2894 mono/tests/cas/Makefile
2895 mono/tests/cas/assembly/Makefile
2896 mono/tests/cas/demand/Makefile
2897 mono/tests/cas/inheritance/Makefile
2898 mono/tests/cas/linkdemand/Makefile
2899 mono/tests/cas/threads/Makefile
2900 mono/benchmark/Makefile
2901 mono/monograph/Makefile
2902 mono/io-layer/Makefile
2903 mono/mini/Makefile
2904 mono/profiler/Makefile
2905 ikvm-native/Makefile
2906 scripts/Makefile
2907 man/Makefile
2908 docs/Makefile
2909 data/Makefile
2910 data/net_2_0/Makefile
2911 data/net_4_0/Makefile
2912 data/net_2_0/Browsers/Makefile
2913 data/mint.pc
2914 data/mono-2.pc
2915 data/monosgen-2.pc
2916 data/mono.pc
2917 data/mono-cairo.pc
2918 data/mono-nunit.pc
2919 data/mono-options.pc
2920 data/mono-lineeditor.pc
2921 data/monodoc.pc
2922 data/mono.web.pc
2923 data/dotnet.pc
2924 data/dotnet35.pc
2925 data/wcf.pc
2926 data/cecil.pc
2927 data/system.web.extensions_1.0.pc
2928 data/system.web.extensions.design_1.0.pc
2929 data/system.web.mvc.pc
2930 data/system.web.mvc2.pc
2931 samples/Makefile
2932 support/Makefile
2933 data/config
2934 tools/Makefile
2935 tools/locale-builder/Makefile
2936 tools/sgen/Makefile
2937 runtime/Makefile
2938 msvc/Makefile
2939 po/Makefile
2940 ])
2941
2942 if test x$host_win32 = xyes; then
2943    # Get rid of 'cyg' prefixes in library names
2944    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2945    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2946    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2947    # executable doesn't work...
2948    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2949 fi
2950
2951 (
2952   case $prefix in
2953   NONE) prefix=$ac_default_prefix ;;
2954   esac
2955   case $exec_prefix in
2956   NONE) exec_prefix='${prefix}' ;;
2957   esac
2958
2959   #
2960   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2961   # any existing config.make.  This allows people to share the same source tree
2962   # with different build directories, one native and one cross
2963   #
2964   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2965
2966     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
2967
2968     echo "prefix=$prefix" > $mcs_topdir/build/config.make
2969     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
2970     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
2971     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
2972     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $mcs_topdir/build/config.make
2973     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
2974     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
2975     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
2976
2977     case $INSTALL in
2978     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2979     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2980     esac
2981
2982     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
2983
2984     export VERSION
2985     [myver=$($AWK 'BEGIN {
2986       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2987       if(length(vsplit [1]) > 4) {
2988         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2989       }
2990       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2991     }')]
2992
2993     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
2994
2995     if test x$platform_darwin = xyes; then
2996       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
2997     fi
2998
2999         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3000            enable_system_aot=yes
3001         fi
3002
3003         if test "x$enable_loadedllvm" = "xyes"; then
3004            # This seems to fail on the x86 buildbots
3005            enable_system_aot=no
3006         fi
3007
3008     if test x$host_win32 = xno -a x$platform_darwin != xyes -a x$enable_system_aot = xyes; then
3009       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3010     fi
3011
3012     if test x$DISABLE_MCS_DOCS = xyes; then
3013       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3014     fi
3015
3016     if test x$with_moonlight != xno; then
3017       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3018     fi
3019
3020   fi
3021
3022   # if we have an olive folder, override the default settings
3023   if test -d $olivedir; then
3024
3025     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3026
3027       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3028
3029       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3030       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3031       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3032       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3033       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3034       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3035     fi
3036   fi
3037
3038 )
3039
3040 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3041
3042 echo "
3043         mcs source:    $mcsdir
3044         olive source:  $olive_topdir
3045
3046    Engine:
3047         GC:            $gc_msg
3048         TLS:           $with_tls
3049         SIGALTSTACK:   $with_sigaltstack
3050         Engine:        $jit_status
3051         oprofile:      $OPROFILE
3052         BigArrays:     $enable_big_arrays
3053         DTrace:        $enable_dtrace
3054         Parallel Mark: $enable_parallel_mark
3055         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3056
3057     Libraries:
3058         Moon Profile:  $with_moonlight ($with_moon_gc)
3059         MonoDroid:     $with_monodroid
3060         MonoTouch:     $with_monotouch
3061         JNI support:   $jdk_headers_found
3062         libgdiplus:    $libgdiplus_msg
3063         zlib:          $zlib_msg
3064         $disabled
3065 "
3066 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3067    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3068 fi