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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libgomp/] [configure.tgt] - Rev 282

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# This is the target specific configuration file.  This is invoked by the
# autoconf generated configure script.  Putting it in a separate shell file
# lets us skip running autoconf when modifying target specific information.

# This file switches on the shell variable ${target}, and sets the
# following shell variables:
#  config_path          An ordered list of directories to search for
#                       sources and headers.  This is relative to the
#                       config subdirectory of the source tree.
#  XCFLAGS              Add extra compile flags to use.
#  XLDFLAGS             Add extra link flags to use.

# Optimize TLS usage by avoiding the overhead of dynamic allocation.
if test $gcc_cv_have_tls = yes ; then
  case "${target}" in

    *-*-linux*)
        XCFLAGS="${XCFLAGS} -ftls-model=initial-exec"
        ;;
  esac
fi

# Since we require POSIX threads, assume a POSIX system by default.
config_path="posix"

# Check for futex enabled all at once.
if test $enable_linux_futex = yes; then
  case "${target}" in

    alpha*-*-linux*)
        config_path="linux/alpha linux posix"
        ;;

    ia64*-*-linux*)
        config_path="linux/ia64 linux posix"
        ;;

    mips*-*-linux*)
        config_path="linux/mips linux posix"
        ;;

    powerpc*-*-linux*)
        config_path="linux/powerpc linux posix"
        ;;

    s390*-*-linux*)
        config_path="linux/s390 linux posix"
        ;;

    # Note that bare i386 is not included here.  We need cmpxchg.
    i[456]86-*-linux*)
        config_path="linux/x86 linux posix"
        case " ${CC} ${CFLAGS} " in
          *" -m64 "*)
            ;;
          *)
            if test -z "$with_arch"; then
              XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
            fi
        esac
        ;;

    # Similar jiggery-pokery for x86_64 multilibs, except here we
    # can't rely on the --with-arch configure option, since that
    # applies to the 64-bit side.
    x86_64-*-linux*)
        config_path="linux/x86 linux posix"
        case " ${CC} ${CFLAGS} " in
          *" -m32 "*)
            XCFLAGS="${XCFLAGS} -march=i486 -mtune=i686"
            ;;
        esac
        ;;

    # Note that sparcv7 and sparcv8 is not included here.  We need cas.
    sparcv9-*-linux* | sparc64-*-linux*)
        echo "int i;" > conftestx.c
        if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
          config_path="linux/sparc linux posix"
          case "`/usr/bin/file conftestx.o`" in
            *32-bit*)
              case " ${CC} ${CFLAGS}" in
                *" -mcpu=ultrasparc"*)
                  ;;
                *)
                  XCFLAGS="${XCFLAGS} -mcpu=v9"
                  ;;
              esac
              ;;
          esac
        fi
        rm -f conftestx.c conftestx.o
        ;;
  esac
fi

# Other system configury
case "${target}" in

  *-*-hpux*)
        case "${target}" in
          *-*-hpux11*)
             # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
             XLDFLAGS="${XLDFLAGS} -lrt"
             ;;
        esac
        case "${target}" in
          hppa[12]*-*-hpux*)
            # PA 32 HP-UX needs -frandom-seed for bootstrap compare.
            XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed"
            ;;
        esac
        ;;

  *-*-mingw32*)
        config_path="mingw32 posix"
        ;;

  *-*-solaris2.[56]*)
        config_path="posix95 posix"
        XLDFLAGS="${XLDFLAGS} -lposix4"
        ;;

  *-*-darwin*)
        config_path="bsd posix"
        ;;

  *)
        ;;

esac

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