configure.in

基于4个mips核的noc设计

    esac
    noconfigdirs="$noconfigdirs ld shellutils"
    ;;
  ia64*-*-elf*)
    # No gdb support yet.
    noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
    ;;
  i[3456]86-*-coff | i[3456]86-*-elf)
    if [ x${is_cross_compiler} != xno ] ; then
         target_configdirs="${target_configdirs} target-libstub target-cygmon"
    fi
    ;;
  i[3456]86-*-go32* | i[3456]-*-msdosdjgpp*)
    # but don't build gdb
    noconfigdirs="$noconfigdirs gdb ${libstdcxx_version} target-libffi"
    ;;
  i[3456]86-*-mingw32*)
    target_configdirs="$target_configdirs target-mingw"
    noconfigdirs="$noconfigdirs expect target-libgloss target-libffi"

    # Can't build gdb for mingw32 if not native.
    case "${host}" in
      i[3456]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
      *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
         ;;
    esac
    ;;    
  *-*-cygwin*)
    target_configdirs="$target_configdirs target-libtermcap target-winsup"
    noconfigdirs="$noconfigdirs target-gperf target-libgloss target-libffi"
    # always build newlib.
    skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`

    # Can't build gdb for Cygwin if not native.
    case "${host}" in
      *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
      *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
         ;;
    esac
    ;;    
  i[3456]86-*-pe)
    noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
    ;;
  i[3456]86-*-sco3.2v5*)
    # The linker does not yet know about weak symbols in COFF,
    # and is not configured to handle mixed ELF and COFF.
    noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
    ;;
  i[3456]86-*-sco*)
    noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
    ;;
  i[3456]86-*-solaris2*)
    noconfigdirs="$noconfigdirs target-libgloss"
    ;;
  i[3456]86-*-sysv4*)
    # The SYSV4 C compiler doesn't handle Emacs correctly
    case "${CC}" in
	"" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
        *) ;;
    esac
    # but that's okay since emacs doesn't work anyway
    noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss target-libffi"
    ;;
  i[3456]86-*-beos*)
     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
     ;;
 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
    noconfigdirs="$noconfigdirs target-libiberty target-librx target-libg++ target-libstdc++ target-libio target-libf2c target-libchill target-zlib target-libobjc"
    ;;
 m68k-*-elf*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  m68k-*-coff*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-cygmon"
    fi
    ;;
  mn10200-*-*)
    noconfigdirs="$noconfigdirs target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-libstub target-cygmon"
    fi
    ;;
  mn10300-*-*)
    noconfigdirs="$noconfigdirs target-libffi"
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
    fi
    ;;
  powerpc-*-aix*)
    # copied from rs6000-*-* entry
    # The configure and build of ld are currently disabled because
    # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
    # The symptom is that GDBtk 4.18 fails at startup with a segfault
    # if linked by GNU ld, but not if linked by the native ld.
    noconfigdirs="$noconfigdirs gprof cvssrc target-libgloss target-libffi ld"
    use_gnu_ld=no
    ;;
  powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
    target_configdirs="$target_configdirs target-winsup"
    noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv target-libffi"
    # always build newlib.
    skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
    ;;
    # This is temporary until we can link against shared libraries
  powerpcle-*-solaris*)
    noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv target-libffi"
    ;;
  powerpc-*-beos*)
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
    ;;
  powerpc-*-eabi)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
    fi
    ;;
  rs6000-*-lynxos*)
    # The CVS server code doesn't work on the RS/6000
    noconfigdirs="$noconfigdirs target-newlib gprof cvssrc target-libffi"
    ;;
  rs6000-*-aix*)
    # The configure and build of ld are currently disabled because
    # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
    # The symptom is that GDBtk 4.18 fails at startup with a segfault
    # if linked by GNU ld, but not if linked by the native ld.
    noconfigdirs="$noconfigdirs gprof target-libffi ld"
    use_gnu_ld=no
    ;;
  rs6000-*-*)
    noconfigdirs="$noconfigdirs gprof target-libffi"
    ;;
  m68k-apollo-*)
    noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss target-libffi"
    ;;
  mips*-*-irix5*)
    # The GNU linker does not support shared libraries.
    # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
    noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss"
    ;;
  mips*-*-irix6*)
    # The GNU assembler does not support IRIX 6.
    # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
    noconfigdirs="$noconfigdirs gas gprof emacs target-libgloss"
    ;;
  mips*-dec-bsd*)
    noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
    ;;
  mips*-*-bsd*)
    noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
    ;;
  mipstx39-*-*)
    noconfigdirs="$noconfigdirs gprof target-libffi"   # same as generic mips
    target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
   ;;
  mips*-*-*)
    noconfigdirs="$noconfigdirs gprof target-libffi"
    ;;
  romp-*-*)
    noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss target-libffi"
    ;;
  sh-*-*)
    case "${host}" in
      i[3456]86-*-vsta) ;; # don't add gprof back in
      i[3456]86-*-go32*) ;; # don't add gprof back in
      i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
      *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
    esac
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  sparc-*-elf*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-libstub target-cygmon"
    fi
    ;;
  sparc64-*-elf*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-libstub target-cygmon"
    fi
    noconfigdirs="target-libffi"
    ;;
  sparclite-*-*)
    if [ x${is_cross_compiler} != xno ] ; then
	   target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
    fi
    noconfigdirs="target-libffi"
    ;;
  sparc-*-sunos4*)
    if [ x${is_cross_compiler} != xno ] ; then
           noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
    else
           use_gnu_ld=no
    fi
    ;;
  v810-*-*)
    noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss target-libffi"
    ;;
  v850-*-*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  v850e-*-*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  v850ea-*-*)
    noconfigdirs="$noconfigdirs target-libgloss target-libffi"
    ;;
  vax-*-vms)
    noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss target-libffi"
    ;;
  vax-*-*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
    ;;
  *-*-lynxos*)
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
    ;; 
  *-*-macos* | \
  *-*-mpw*)
    # Macs want a resource compiler.
    configdirs="$configdirs grez"
    noconfigdirs="target-libffi"
    ;;    
esac

# If we aren't building newlib, then don't build libgloss, since libgloss
# depends upon some newlib header files.
case "${noconfigdirs}" in
  *target-libgloss*) ;;
  *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
esac

# Make sure we don't let GNU ld be added if we didn't want it.
if [ x$with_gnu_ld = xno ]; then
  use_gnu_ld=no
  noconfigdirs="$noconfigdirs ld"
fi

# Make sure we don't let GNU as be added if we didn't want it.
if [ x$with_gnu_as = xno ]; then
  use_gnu_as=no
  noconfigdirs="$noconfigdirs gas"
fi

# Figure out what language subdirectories are present.
# Look if the user specified --enable-languages="..."; if not, use
# the environment variable $LANGUAGES if defined. $LANGUAGES might
# go away some day.
if test x"${enable_languages+set}" != xset; then
	if test x"${LANGUAGES+set}" = xset; then
		enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
	else
		enable_languages=all
	fi
else
	if test x"${enable_languages}" = x; then
		echo configure.in: --enable-languages needs at least one argument 1>&2
		exit 1
	fi
fi
subdirs=
for lang in ${srcdir}/gcc/*/config-lang.in ..
do
	case $lang in
	..) ;;
	# The odd quoting in the next line works around
	# an apparent bug in bash 1.12 on linux.
	${srcdir}/gcc/[*]/config-lang.in) ;;
	*)
	  lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ 	]*\).*$,\1,p' $lang`
	  this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ 	]*\).*$,\1,p' $lang`
	  build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ 	]*\).*$,\1,p' $lang`
	  if test "x$lang_alias" = x
	  then
		echo "$lang doesn't set \$language." 1>&2
		exit 1
	  fi
	  case ${build_by_default},${enable_languages}, in
	  *,$lang_alias,*) add_this_lang=yes ;;
	  no,*) add_this_lang=no ;;
	  *,all,*) add_this_lang=yes ;;
	  *) add_this_lang=no ;;
	  esac
	  if test x"${add_this_lang}" = xyes; then
	      eval target_libs='"$target_libs "'\"$this_lang_libs\"
	  else
	      eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs\"
	  fi
	  ;;
	esac
done


# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
# $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.

notsupp=""
for dir in . $skipdirs $noconfigdirs ; do
  dirname=`echo $dir | sed -e s/target-//g`
  if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
    configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
    if [ -r $srcdir/$dirname/configure ] \
	|| [ -r $srcdir/$dirname/configure.in ]; then
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	true
      else
	notsupp="$notsupp $dir"
      fi
    fi
  fi
  if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
    target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
    if [ -r $srcdir/$dirname/configure ] \
	|| [ -r $srcdir/$dirname/configure.in ]; then
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
	true
      else
	notsupp="$notsupp $dir"
      fi
    fi
  fi
done

# Sometimes the tools are distributed with libiberty but with no other
# libraries.  In that case, we don't want to build target-libiberty.
if [ -n "${target_configdirs}" ]; then
  others=
  for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
    if [ "$i" != "libiberty" ]; then
      if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
	others=yes;
	break;
      fi
    fi
  done
  if [ -z "${others}" ]; then
    target_configdirs=
  fi
fi

# Deconfigure all subdirectories, in case we are changing the
# configuration from one where a subdirectory is supported to one where it
# is not.
if [ -z "${norecursion}" ] && [ -n "${configdirs}" ]; then
  for i in `echo ${configdirs} | sed -e s/target-//g` ; do
    rm -f $i/Makefile
  done
fi
if [ -z "${norecursion}" ] && [ -n "${target_configdirs}" ]; then
  for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
    rm -f ${target_subdir}/$i/Makefile