configure.in

基于4个mips核的noc设计

    ;;
  *-*-linux-gnu*)
    target_makefile_frag="${target_makefile_frag} config/mt-linux"
    ;;
  *-*-aix4.[3456789]* | *-*-aix[56789].*)
    target_makefile_frag="${target_makefile_frag} config/mt-aix43"
    ;;
  mips*-*-pe | sh*-*-pe | *arm-wince-pe)
    target_makefile_frag="${target_makefile_frag} config/mt-wince"
    ;;
esac

# If --enable-target-optspace always use -Os instead of -O2 to build
# the target libraries, similarly if it is not specified, use -Os
# on selected platforms.
case "${enable_target_optspace}:${target}" in
  yes:*)
    target_makefile_frag="${target_makefile_frag} config/mt-ospace"
    ;;
  :d30v-*)
    target_makefile_frag="${target_makefile_frag} config/mt-d30v"
    ;;
  :m32r-* | :d10v-* | :fr30-*)
    target_makefile_frag="${target_makefile_frag} config/mt-ospace"
    ;;
  no:* | :*)
    ;;
  *)
    echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
    ;;
esac

skipdirs=
gasdir=gas
use_gnu_ld=
use_gnu_as=

# some tools are so dependent upon X11 that if we're not building with X, 
# it's not even worth trying to configure, much less build, that tool.

case ${with_x} in
  yes | "")  # the default value for this tree is that X11 is available
	;;
  no)
	skipdirs="${skipdirs} tk libgui gash"
	;;
  *)
    	echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
    	;;
esac

# Some tools are only suitable for building in a "native" situation.
# Those are added when we have a host==target configuration.  For cross
# toolchains, we add some directories that should only be useful in a
# cross-compiler.

is_cross_compiler=

if [ x"${host}" = x"${target}" ] ; then
	# when doing a native toolchain, don't build the targets
	# that are in the 'cross only' list
	skipdirs="${skipdirs} ${cross_only}"
	is_cross_compiler=no
else
	# similarly, don't build the targets in the 'native only' 
	# list when building a cross compiler
	skipdirs="${skipdirs} ${native_only}"
	is_cross_compiler=yes
fi	

# We always want to use the same name for this directory, so that dejagnu
# can reliably find it.
target_subdir=${target_alias}

if [ ! -d ${target_subdir} ] ; then
  if mkdir ${target_subdir} ; then true
  else
    echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
    exit 1
  fi
fi

copy_dirs=

# Handle --with-headers=XXX.  The contents of the named directory are
# copied to $(tooldir)/sys-include.
if [ x"${with_headers}" != x ]; then
  if [ x${is_cross_compiler} = xno ]; then
    echo 1>&2 '***' --with-headers is only supported when cross compiling
    exit 1
  fi
  case "${exec_prefixoption}" in
  "") x=${prefix} ;;
  *) x=${exec_prefix} ;;
  esac
  copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
fi

# Handle --with-libs=XXX.  Multiple directories are permitted.  The
# contents are copied to $(tooldir)/lib.
if [ x"${with_libs}" != x ]; then
  if [ x${is_cross_compiler} = xno ]; then
    echo 1>&2 '***' --with-libs is only supported when cross compiling
    exit 1
  fi
  # Copy the libraries in reverse order, so that files in the first named
  # library override files in subsequent libraries.
  case "${exec_prefixoption}" in
  "") x=${prefix} ;;
  *) x=${exec_prefix} ;;
  esac
  for l in ${with_libs}; do
    copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
  done
fi

# If both --with-headers and --with-libs are specified, default to
# --without-newlib.
if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
  if [ x"${with_newlib}" = x ]; then
    with_newlib=no
  fi
fi

# Recognize --with-newlib/--without-newlib.
if [ x${with_newlib} = xno ]; then
  skipdirs="${skipdirs} target-newlib"
elif [ x${with_newlib} = xyes ]; then
  skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
fi

# Default to using --with-stabs for certain targets.
if [ x${with_stabs} = x ]; then
  case "${target}" in
  mips*-*-irix6*)
    ;;
  mips*-*-* | alpha*-*-osf*)
    with_stabs=yes;
    withoptions="${withoptions} --with-stabs"
    ;;
  esac
fi

# Handle ${copy_dirs}
set fnord ${copy_dirs}
shift
while [ $# != 0 ]; do
  if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
    :
  else
    echo Copying $1 to $2

    # Use the install script to create the directory and all required
    # parent directories.
    if [ -d $2 ]; then
      :
    else
      echo >config.temp
      ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
    fi

    # Copy the directory, assuming we have tar.
    # FIXME: Should we use B in the second tar?  Not all systems support it.
    (cd $1; tar -cf - .) | (cd $2; tar -xpf -)

    # It is the responsibility of the user to correctly adjust all
    # symlinks.  If somebody can figure out how to handle them correctly
    # here, feel free to add the code.

    echo $1 > $2/COPIED
  fi
  shift; shift
done

# Configure extra directories which are host specific

case "${host}" in
	i[3456]86-*-go32*)
	  configdirs="$configdirs dosrel" ;;
	i[3456]86-*-mingw32*)
	  configdirs="$configdirs dosrel" ;;
	*-cygwin*)
	  configdirs="$configdirs libtermcap dosrel" ;;
esac

# Remove more programs from consideration, based on the host or 
# target this usually means that a port of the program doesn't
# exist yet.

noconfigdirs=""

case "${host}" in
  i[3456]86-*-vsta)
    noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv gettext"
    ;;
  i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
    noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv gettext libffi"
	;;
  i[3456]86-*-mingw32*)
    # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv"
     noconfigdirs="expect dejagnu cvs autoconf automake send-pr rcs guile perl texinfo apache inet libtool"
	;;
  i[3456]86-*-beos*)
     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
     ;;
  *-*-cygwin*)
     noconfigdirs="autoconf automake send-pr rcs guile perl texinfo apache inet"
    ;;
  *-*-netbsd*)
    noconfigdirs="rcs"
    ;;
  ppc*-*-pe)
     noconfigdirs="patch diff make tk tcl expect dejagnu cvssrc autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db snavigator gnuserv"
    ;;
  powerpc-*-beos*)
    noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
    ;;
esac


case "${target}" in
  *-*-netware)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss target-libffi"
    ;;
  *-*-rtems*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  *-*-vxworks*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
    ;;
  alpha*-dec-osf*)
    # ld works, but does not support shared libraries.  emacs doesn't
    # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
    # gas doesn't generate exception information.
    noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss"
    ;;
  alpha*-*-*vms*)
    noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss target-libffi"
    ;;
  alpha*-*-*)
    # newlib is not 64 bit ready
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
    ;;
  sh*-*-pe|mips*-*-pe|*arm-wince-pe)
    noconfigdirs="$noconfigdirs target-libjava target-libffi target-zlib"
    noconfigdirs="$noconfigdirs target-boehm-gc target-qthreads target-examples"
    noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
    noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
    noconfigdirs="$noconfigdirs expect dejagnu"
    # the C++ libraries don't build on top of CE's C libraries
    noconfigdirs="$noconfigdirs ${libstdcxx_version}"
    skipdirs="$skipdirs target-newlib"
    case "${host}" in
      *-*-cygwin*) ;; # keep gdb and readline
      *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
	 ;;
    esac
    ;;
  arc-*-*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  arm-*-pe*)
    noconfigdirs="$noconfigdirs target-libgloss"
    ;;
  arm-*-coff*)
    noconfigdirs="$noconfigdirs target-libgloss"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  arm-*-elf*)
    noconfigdirs="$noconfigdirs target-libgloss"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  arm-*-oabi*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  thumb-*-coff)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  thumb-*-elf)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  thumb-*-oabi)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  strongarm-*-elf)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  strongarm-*-coff)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  xscale-*-elf)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  xscale-*-coff)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  thumb-*-pe)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  arm-*-riscix*)
    noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
    ;;
  c4x-*-*)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
    ;;
  c54x*-*-* | tic54x-*-*)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi gcc gdb newlib"
    ;;
  d10v-*-*)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
    ;;
  d30v-*-*)
    ;;
  fr30-*-elf*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
    fi
    ;;
  h8300*-*-* | \
  h8500-*-*)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
    ;;
  hppa*-*-*elf* | \
  hppa*-*-linux-gnu* | \
  hppa*-*-lites* | \
  hppa*64*-*-*)
    # Do configure ld/binutils/gas for this case.
    ;;
  hppa*-*-*)
    # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
    # cc is gcc, and on any system a user should be able to link cc to
    # whatever they want.  FIXME, emacs emacs19).
    case "${CC}" in
	"" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
        *) ;;