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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [config-ml.in] - Diff between revs 38 and 156

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# Configure fragment invoked in the post-target section for subdirs
 
# wanting multilib support.
 
#
 
# Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 
# 2005, 2006, 2007  Free Software Foundation, Inc.
 
#
 
# This file is free software; you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation; either version 2 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# GNU General Public License for more details.
 
#
 
# You should have received a copy of the GNU General Public License
 
# along with this program; if not, write to the Free Software
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
 
# Boston, MA 02110-1301, USA.
 
#
 
# As a special exception to the GNU General Public License, if you
 
# distribute this file as part of a program that contains a
 
# configuration script generated by Autoconf, you may include it under
 
# the same distribution terms that you use for the rest of that program.
 
#
 
# Please report bugs to 
 
# and send patches to .
 
 
 
# It is advisable to support a few --enable/--disable options to let the
 
# user select which libraries s/he really wants.
 
#
 
# Subdirectories wishing to use multilib should put the following lines
 
# in the "post-target" section of configure.in.
 
#
 
# if [ "${srcdir}" = "." ] ; then
 
#   if [ "${with_target_subdir}" != "." ] ; then
 
#     . ${with_multisrctop}../../config-ml.in
 
#   else
 
#     . ${with_multisrctop}../config-ml.in
 
#   fi
 
# else
 
#   . ${srcdir}/../config-ml.in
 
# fi
 
#
 
#
 
# Things are complicated because 6 separate cases must be handled:
 
# 2 (native, cross) x 3 (absolute-path, relative-not-dot, dot) = 6.
 
#
 
# srcdir=. is special.  It must handle make programs that don't handle VPATH.
 
# To implement this, a symlink tree is built for each library and for each
 
# multilib subdir.
 
#
 
# The build tree is layed out as
 
#
 
# ./
 
#   newlib
 
#   m68020/
 
#          newlib
 
#          m68881/
 
#                 newlib
 
#
 
# The nice feature about this arrangement is that inter-library references
 
# in the build tree work without having to care where you are.  Note that
 
# inter-library references also work in the source tree because symlink trees
 
# are built when srcdir=.
 
#
 
# Unfortunately, trying to access the libraries in the build tree requires
 
# the user to manually choose which library to use as GCC won't be able to
 
# find the right one.  This is viewed as the lesser of two evils.
 
#
 
# Configure variables:
 
# ${with_target_subdir} = "." for native, or ${target_alias} for cross.
 
# Set by top level Makefile.
 
# ${with_multisrctop} = how many levels of multilibs there are in the source
 
# tree.  It exists to handle the case of configuring in the source tree:
 
# ${srcdir} is not constant.
 
# ${with_multisubdir} = name of multilib subdirectory (eg: m68020/m68881).
 
#
 
# Makefile variables:
 
# MULTISRCTOP = number of multilib levels in source tree (+1 if cross)
 
# (FIXME: note that this is different than ${with_multisrctop}.  Check out.).
 
# MULTIBUILDTOP = number of multilib levels in build tree
 
# MULTIDIRS = list of multilib subdirs (eg: m68000 m68020 ...)
 
# (only defined in each library's main Makefile).
 
# MULTISUBDIR = installed subdirectory name with leading '/' (eg: /m68000)
 
# (only defined in each multilib subdir).
 
 
 
# FIXME: Multilib is currently disabled by default for everything other than
 
# newlib.  It is up to each target to turn on multilib support for the other
 
# libraries as desired.
 
 
 
# Autoconf incoming variables:
 
# srcdir, host, ac_configure_args
 
#
 
# We *could* figure srcdir and host out, but we'd have to do work that
 
# our caller has already done to figure them out and requiring these two
 
# seems reasonable.
 
# Note that `host' in this case is GCC's `target'.  Target libraries are
 
# configured for a particular host.
 
 
 
Makefile=${ac_file-Makefile}
 
ml_config_shell=${CONFIG_SHELL-/bin/sh}
 
ml_realsrcdir=${srcdir}
 
 
 
# Scan all the arguments and set all the ones we need.
 
 
 
ml_verbose=--verbose
 
for option in ${ac_configure_args}
 
do
 
  # strip single quotes surrounding individual options
 
  case $option in
 
  \'*\') eval option=$option ;;
 
  esac
 
 
 
  case $option in
 
  --*) ;;
 
  -*) option=-$option ;;
 
  esac
 
 
 
  case $option in
 
  --*=*)
 
        optarg=`echo $option | sed -e 's/^[^=]*=//'`
 
        ;;
 
  esac
 
 
 
  case $option in
 
  --disable-*)
 
        enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
 
        eval $enableopt=no
 
        ;;
 
  --enable-*)
 
        case "$option" in
 
        *=*)    ;;
 
        *)      optarg=yes ;;
 
        esac
 
        enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 
        eval $enableopt="$optarg"
 
        ;;
 
  --norecursion | --no-recursion)
 
        ml_norecursion=yes
 
        ;;
 
  --silent | --sil* | --quiet | --q*)
 
        ml_verbose=--silent
 
        ;;
 
  --verbose | --v | --verb*)
 
        ml_verbose=--verbose
 
        ;;
 
  --with-*)
 
        case "$option" in
 
        *=*)    ;;
 
        *)      optarg=yes ;;
 
        esac
 
        withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
 
        eval $withopt="$optarg"
 
        ;;
 
  --without-*)
 
        withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
 
        eval $withopt=no
 
        ;;
 
  esac
 
done
 
 
 
# Only do this if --enable-multilib.
 
if [ "${enable_multilib}" = yes ]; then
 
 
 
# Compute whether this is the library's top level directory
 
# (ie: not a multilib subdirectory, and not a subdirectory like newlib/src).
 
# ${with_multisubdir} tells us we're in the right branch, but we could be
 
# in a subdir of that.
 
# ??? The previous version could void this test by separating the process into
 
# two files: one that only the library's toplevel configure.in ran (to
 
# configure the multilib subdirs), and another that all configure.in's ran to
 
# update the Makefile.  It seemed reasonable to collapse all multilib support
 
# into one file, but it does leave us with having to perform this test.
 
ml_toplevel_p=no
 
if [ -z "${with_multisubdir}" ]; then
 
  if [ "${srcdir}" = "." ]; then
 
    # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
 
    # ${with_target_subdir} = "." for native, otherwise target alias.
 
    if [ "${with_target_subdir}" = "." ]; then
 
      if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
 
        ml_toplevel_p=yes
 
      fi
 
    else
 
      if [ -f ${ml_realsrcdir}/../../config-ml.in ]; then
 
        ml_toplevel_p=yes
 
      fi
 
    fi
 
  else
 
    # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
 
    if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
 
      ml_toplevel_p=yes
 
    fi
 
  fi
 
fi
 
 
 
# If this is the library's top level directory, set multidirs to the
 
# multilib subdirs to support.  This lives at the top because we need
 
# `multidirs' set right away.
 
 
 
if [ "${ml_toplevel_p}" = yes ]; then
 
 
 
multidirs=
 
for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
 
  dir=`echo $i | sed -e 's/;.*$//'`
 
  if [ "${dir}" = "." ]; then
 
    true
 
  else
 
    if [ -z "${multidirs}" ]; then
 
      multidirs="${dir}"
 
    else
 
      multidirs="${multidirs} ${dir}"
 
    fi
 
  fi
 
done
 
 
 
# Target libraries are configured for the host they run on, so we check
 
# $host here, not $target.
 
 
 
case "${host}" in
 
arc-*-elf*)
 
        if [ x$enable_biendian != xyes ]
 
        then
 
          old_multidirs=${multidirs}
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "${x}" in
 
              *be*) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        ;;
 
arm-*-*)
 
        if [ x"$enable_fpu" = xno ]
 
        then
 
          old_multidirs=${multidirs}
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "${x}" in
 
              *fpu*) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x"$enable_26bit" = xno ]
 
        then
 
          old_multidirs=${multidirs}
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "${x}" in
 
              *26bit*) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x"$enable_underscore" = xno ]
 
        then
 
          old_multidirs=${multidirs}
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "${x}" in
 
              *under*) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x"$enable_interwork" = xno ]
 
        then
 
          old_multidirs=${multidirs}
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "${x}" in
 
              *interwork*) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_biendian = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *le* ) : ;;
 
              *be* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x"$enable_nofmult" = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *nofmult* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        ;;
 
m68*-*-*)
 
        if [ x$enable_softfloat = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *soft-float* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_m68881 = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *m68881* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_m68000 = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *m68000* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_m68020 = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *m68020* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        ;;
 
mips*-*-*)
 
        if [ x$enable_single_float = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *single* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_biendian = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *el* ) : ;;
 
              *eb* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_softfloat = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *soft-float* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        case " $multidirs " in
 
        *" mabi=64 "*)
 
          # We will not be able to create libraries with -mabi=64 if
 
          # we cannot even link a trivial program.  It usually
 
          # indicates the 64bit libraries are missing.
 
          if echo 'main() {}' > conftest.c &&
 
             ${CC-gcc} -mabi=64 conftest.c -o conftest; then
 
            :
 
          else
 
            echo Could not link program with -mabi=64, disabling it.
 
            old_multidirs="${multidirs}"
 
            multidirs=""
 
            for x in ${old_multidirs}; do
 
              case "$x" in
 
              *mabi=64* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
              esac
 
            done
 
          fi
 
          rm -f conftest.c conftest
 
          ;;
 
        esac
 
        ;;
 
powerpc*-*-* | rs6000*-*-*)
 
        if [ x$enable_aix64 = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *ppc64* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_pthread = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *pthread* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_softfloat = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *soft-float* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_powercpu = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              power | */power | */power/* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_powerpccpu = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *powerpc* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_powerpcos = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *mcall-linux* | *mcall-solaris* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_biendian = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *mlittle* | *mbig* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        if [ x$enable_sysv = xno ]
 
        then
 
          old_multidirs="${multidirs}"
 
          multidirs=""
 
          for x in ${old_multidirs}; do
 
            case "$x" in
 
              *mcall-sysv* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
            esac
 
          done
 
        fi
 
        ;;
 
sparc*-*-*)
 
        case " $multidirs " in
 
        *" m64 "*)
 
          # We will not be able to create libraries with -m64 if
 
          # we cannot even link a trivial program.  It usually
 
          # indicates the 64bit libraries are missing.
 
          if echo 'main() {}' > conftest.c &&
 
             ${CC-gcc} -m64 conftest.c -o conftest; then
 
            :
 
          else
 
            echo Could not link program with -m64, disabling it.
 
            old_multidirs="${multidirs}"
 
            multidirs=""
 
            for x in ${old_multidirs}; do
 
              case "$x" in
 
              *m64* ) : ;;
 
              *) multidirs="${multidirs} ${x}" ;;
 
              esac
 
            done
 
          fi
 
          rm -f conftest.c conftest
 
          ;;
 
        esac
 
        ;;
 
esac
 
 
 
# Remove extraneous blanks from multidirs.
 
# Tests like `if [ -n "$multidirs" ]' require it.
 
multidirs=`echo "$multidirs" | sed -e 's/^[ ][ ]*//' -e 's/[ ][ ]*$//' -e 's/[ ][ ]*/ /g'`
 
 
 
# Add code to library's top level makefile to handle building the multilib
 
# subdirs.
 
 
 
cat > Multi.tem <<\EOF
 
 
 
PWD_COMMAND=$${PWDCMD-pwd}
 
 
 
# FIXME: There should be an @-sign in front of the `if'.
 
# Leave out until this is tested a bit more.
 
multi-do:
 
        if [ -z "$(MULTIDIRS)" ]; then \
 
          true; \
 
        else \
 
          rootpre=`${PWD_COMMAND}`/; export rootpre; \
 
          srcrootpre=`cd $(srcdir); ${PWD_COMMAND}`/; export srcrootpre; \
 
          lib=`echo "$${rootpre}" | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
 
          compiler="$(CC)"; \
 
          for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
 
            dir=`echo $$i | sed -e 's/;.*$$//'`; \
 
            if [ "$${dir}" = "." ]; then \
 
              true; \
 
            else \
 
              if [ -d ../$${dir}/$${lib} ]; then \
 
                flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
 
                if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \
 
                                CFLAGS="$(CFLAGS) $${flags}" \
 
                                CCASFLAGS="$(CCASFLAGS) $${flags}" \
 
                                FCFLAGS="$(FCFLAGS) $${flags}" \
 
                                FFLAGS="$(FFLAGS) $${flags}" \
 
                                ADAFLAGS="$(ADAFLAGS) $${flags}" \
 
                                prefix="$(prefix)" \
 
                                exec_prefix="$(exec_prefix)" \
 
                                GCJFLAGS="$(GCJFLAGS) $${flags}" \
 
                                CXXFLAGS="$(CXXFLAGS) $${flags}" \
 
                                LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
 
                                LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
 
                                LDFLAGS="$(LDFLAGS) $${flags}" \
 
                                MULTIFLAGS="$${flags}" \
 
                                DESTDIR="$(DESTDIR)" \
 
                                INSTALL="$(INSTALL)" \
 
                                INSTALL_DATA="$(INSTALL_DATA)" \
 
                                INSTALL_PROGRAM="$(INSTALL_PROGRAM)" \
 
                                INSTALL_SCRIPT="$(INSTALL_SCRIPT)" \
 
                                $(DO)); then \
 
                  true; \
 
                else \
 
                  exit 1; \
 
                fi; \
 
              else true; \
 
              fi; \
 
            fi; \
 
          done; \
 
        fi
 
 
 
# FIXME: There should be an @-sign in front of the `if'.
 
# Leave out until this is tested a bit more.
 
multi-clean:
 
        if [ -z "$(MULTIDIRS)" ]; then \
 
          true; \
 
        else \
 
          lib=`${PWD_COMMAND} | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
 
          for dir in : $(MULTIDIRS); do \
 
            test $$dir != : || continue; \
 
EOF
 
cat >>Multi.tem <
 
            if [ -f ../\$\${dir}/\$\${lib}/${Makefile} ]; then \\
 
EOF
 
cat >>Multi.tem <<\EOF
 
              if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
 
              then true; \
 
              else exit 1; \
 
              fi; \
 
            else true; \
 
            fi; \
 
          done; \
 
        fi
 
EOF
 
 
 
cat ${Makefile} Multi.tem > Makefile.tem
 
rm -f ${Makefile} Multi.tem
 
mv Makefile.tem ${Makefile}
 
 
 
fi # ${ml_toplevel_p} = yes
 
 
 
if [ "${ml_verbose}" = --verbose ]; then
 
  echo "Adding multilib support to ${Makefile} in ${ml_realsrcdir}"
 
  if [ "${ml_toplevel_p}" = yes ]; then
 
    echo "multidirs=${multidirs}"
 
  fi
 
  echo "with_multisubdir=${with_multisubdir}"
 
fi
 
 
 
if [ "${srcdir}" = "." ]; then
 
  if [ "${with_target_subdir}" != "." ]; then
 
    ml_srcdotdot="../"
 
  else
 
    ml_srcdotdot=""
 
  fi
 
else
 
  ml_srcdotdot=""
 
fi
 
 
 
if [ -z "${with_multisubdir}" ]; then
 
  ml_subdir=
 
  ml_builddotdot=
 
  : # ml_srcdotdot= # already set
 
else
 
  ml_subdir="/${with_multisubdir}"
 
  # The '[^/][^/]*' appears that way to work around a SunOS sed bug.
 
  ml_builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`/
 
  if [ "$srcdir" = "." ]; then
 
    ml_srcdotdot=${ml_srcdotdot}${ml_builddotdot}
 
  else
 
    : # ml_srcdotdot= # already set
 
  fi
 
fi
 
 
 
if [ "${ml_toplevel_p}" = yes ]; then
 
  ml_do='$(MAKE)'
 
  ml_clean='$(MAKE)'
 
else
 
  ml_do=true
 
  ml_clean=true
 
fi
 
 
 
# TOP is used by newlib and should not be used elsewhere for this purpose.
 
# MULTI{SRC,BUILD}TOP are the proper ones to use.  MULTISRCTOP is empty
 
# when srcdir != builddir.  MULTIBUILDTOP is always some number of ../'s.
 
# FIXME: newlib needs to be updated to use MULTI{SRC,BUILD}TOP so we can
 
# delete TOP.  Newlib may wish to continue to use TOP for its own purposes
 
# of course.
 
# MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile)
 
# and lists the subdirectories to recurse into.
 
# MULTISUBDIR is non-empty in each cpu subdirectory's Makefile
 
# (eg: newlib/h8300h/Makefile) and is the installed subdirectory name with
 
# a leading '/'.
 
# MULTIDO is used for targets like all, install, and check where
 
# $(FLAGS_TO_PASS) augmented with the subdir's compiler option is needed.
 
# MULTICLEAN is used for the *clean targets.
 
#
 
# ??? It is possible to merge MULTIDO and MULTICLEAN into one.  They are
 
# currently kept separate because we don't want the *clean targets to require
 
# the existence of the compiler (which MULTIDO currently requires) and
 
# therefore we'd have to record the directory options as well as names
 
# (currently we just record the names and use --print-multi-lib to get the
 
# options).
 
 
 
sed -e "s:^TOP[         ]*=[    ]*\([./]*\)[    ]*$:TOP = ${ml_builddotdot}\1:" \
 
    -e "s:^MULTISRCTOP[         ]*=.*$:MULTISRCTOP = ${ml_srcdotdot}:" \
 
    -e "s:^MULTIBUILDTOP[       ]*=.*$:MULTIBUILDTOP = ${ml_builddotdot}:" \
 
    -e "s:^MULTIDIRS[   ]*=.*$:MULTIDIRS = ${multidirs}:" \
 
    -e "s:^MULTISUBDIR[         ]*=.*$:MULTISUBDIR = ${ml_subdir}:" \
 
    -e "s:^MULTIDO[     ]*=.*$:MULTIDO = $ml_do:" \
 
    -e "s:^MULTICLEAN[  ]*=.*$:MULTICLEAN = $ml_clean:" \
 
        ${Makefile} > Makefile.tem
 
rm -f ${Makefile}
 
mv Makefile.tem ${Makefile}
 
 
 
# If this is the library's top level, configure each multilib subdir.
 
# This is done at the end because this is the loop that runs configure
 
# in each multilib subdir and it seemed reasonable to finish updating the
 
# Makefile before going on to configure the subdirs.
 
 
 
if [ "${ml_toplevel_p}" = yes ]; then
 
 
 
# We must freshly configure each subdirectory.  This bit of code is
 
# actually partially stolen from the main configure script.  FIXME.
 
 
 
if [ -n "${multidirs}" ] && [ -z "${ml_norecursion}" ]; then
 
 
 
  if [ "${ml_verbose}" = --verbose ]; then
 
    echo "Running configure in multilib subdirs ${multidirs}"
 
    echo "pwd: `${PWDCMD-pwd}`"
 
  fi
 
 
 
  ml_origdir=`${PWDCMD-pwd}`
 
  ml_libdir=`echo "$ml_origdir" | sed -e 's,^.*/,,'`
 
  # cd to top-level-build-dir/${with_target_subdir}
 
  cd ..
 
 
 
  for ml_dir in ${multidirs}; do
 
 
 
    if [ "${ml_verbose}" = --verbose ]; then
 
      echo "Running configure in multilib subdir ${ml_dir}"
 
      echo "pwd: `${PWDCMD-pwd}`"
 
    fi
 
 
 
    if [ -d ${ml_dir} ]; then true; else
 
      # ``mkdir -p ${ml_dir}'' See also mkinstalldirs.
 
      pathcomp=""
 
      for d in `echo ":${ml_dir}" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`; do
 
        pathcomp="$pathcomp$d"
 
        case "$pathcomp" in
 
          -* ) pathcomp=./$pathcomp ;;
 
        esac
 
        if test ! -d "$pathcomp"; then
 
           echo "mkdir $pathcomp" 1>&2
 
           mkdir "$pathcomp" > /dev/null 2>&1 || lasterr=$?
 
        fi
 
        if test ! -d "$pathcomp"; then
 
           exit $lasterr
 
        fi
 
        pathcomp="$pathcomp/"
 
      done
 
    fi
 
    if [ -d ${ml_dir}/${ml_libdir} ]; then true; else mkdir ${ml_dir}/${ml_libdir}; fi
 
 
 
    # Eg: if ${ml_dir} = m68000/m68881, dotdot = ../../
 
    dotdot=../`echo ${ml_dir} | sed -e 's|[^/]||g' -e 's|/|../|g'`
 
 
 
    case ${srcdir} in
 
    ".")
 
      echo "Building symlink tree in `${PWDCMD-pwd}`/${ml_dir}/${ml_libdir}"
 
      if [ "${with_target_subdir}" != "." ]; then
 
        ml_unsubdir="../"
 
      else
 
        ml_unsubdir=""
 
      fi
 
      (cd ${ml_dir}/${ml_libdir};
 
       ../${dotdot}${ml_unsubdir}symlink-tree ../${dotdot}${ml_unsubdir}${ml_libdir} "")
 
      if [ -f ${ml_dir}/${ml_libdir}/${Makefile} ]; then
 
        if [ x"${MAKE}" = x ]; then
 
          (cd ${ml_dir}/${ml_libdir}; make distclean)
 
        else
 
          (cd ${ml_dir}/${ml_libdir}; ${MAKE} distclean)
 
        fi
 
      fi
 
      ml_newsrcdir="."
 
      ml_srcdiroption=
 
      multisrctop=${dotdot}
 
      ;;
 
    *)
 
      case "${srcdir}" in
 
      /* | [A-Za-z]:[\\/]* ) # absolute path
 
        ml_newsrcdir=${srcdir}
 
        ;;
 
      *) # otherwise relative
 
        ml_newsrcdir=${dotdot}${srcdir}
 
        ;;
 
      esac
 
      ml_srcdiroption="-srcdir=${ml_newsrcdir}"
 
      multisrctop=
 
      ;;
 
    esac
 
 
 
    case "${progname}" in
 
    /* | [A-Za-z]:[\\/]* )     ml_recprog=${progname} ;;
 
    *)      ml_recprog=${dotdot}${progname} ;;
 
    esac
 
 
 
    # FIXME: POPDIR=${PWD=`pwd`} doesn't work here.
 
    ML_POPDIR=`${PWDCMD-pwd}`
 
    cd ${ml_dir}/${ml_libdir}
 
 
 
    if [ -f ${ml_newsrcdir}/configure ]; then
 
      ml_recprog="${ml_newsrcdir}/configure"
 
    fi
 
 
 
    # find compiler flag corresponding to ${ml_dir}
 
    for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
 
      dir=`echo $i | sed -e 's/;.*$//'`
 
      if [ "${dir}" = "${ml_dir}" ]; then
 
        flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
 
        break
 
      fi
 
    done
 
    ml_config_env='CC="${CC_}$flags" CXX="${CXX_}$flags" F77="${F77_}$flags" GCJ="${GCJ_}$flags" GFORTRAN="${GFORTRAN_}$flags"'
 
 
 
    if [ "${with_target_subdir}" = "." ]; then
 
        CC_=$CC' '
 
        CXX_=$CXX' '
 
        F77_=$F77' '
 
        GCJ_=$GCJ' '
 
        GFORTRAN_=$GFORTRAN' '
 
    else
 
        # Create a regular expression that matches any string as long
 
        # as ML_POPDIR.
 
        popdir_rx=`echo "${ML_POPDIR}" | sed 's,.,.,g'`
 
        CC_=
 
        for arg in ${CC}; do
 
          case $arg in
 
          -[BIL]"${ML_POPDIR}"/*)
 
            CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\1/p"`' ' ;;
 
          "${ML_POPDIR}"/*)
 
            CC_="${CC_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          *)
 
            CC_="${CC_}${arg} " ;;
 
          esac
 
        done
 
 
 
        CXX_=
 
        for arg in ${CXX}; do
 
          case $arg in
 
          -[BIL]"${ML_POPDIR}"/*)
 
            CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          "${ML_POPDIR}"/*)
 
            CXX_="${CXX_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          *)
 
            CXX_="${CXX_}${arg} " ;;
 
          esac
 
        done
 
 
 
        F77_=
 
        for arg in ${F77}; do
 
          case $arg in
 
          -[BIL]"${ML_POPDIR}"/*)
 
            F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          "${ML_POPDIR}"/*)
 
            F77_="${F77_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          *)
 
            F77_="${F77_}${arg} " ;;
 
          esac
 
        done
 
 
 
        GCJ_=
 
        for arg in ${GCJ}; do
 
          case $arg in
 
          -[BIL]"${ML_POPDIR}"/*)
 
            GCJ_="${GCJ_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          "${ML_POPDIR}"/*)
 
            GCJ_="${GCJ_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          *)
 
            GCJ_="${GCJ_}${arg} " ;;
 
          esac
 
        done
 
 
 
        GFORTRAN_=
 
        for arg in ${GFORTRAN}; do
 
          case $arg in
 
          -[BIL]"${ML_POPDIR}"/*)
 
            GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(-[BIL]${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X-[BIL]${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          "${ML_POPDIR}"/*)
 
            GFORTRAN_="${GFORTRAN_}"`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`' ' ;;
 
          *)
 
            GFORTRAN_="${GFORTRAN_}${arg} " ;;
 
          esac
 
        done
 
 
 
        if test "x${LD_LIBRARY_PATH+set}" = xset; then
 
          LD_LIBRARY_PATH_=
 
          for arg in `echo "$LD_LIBRARY_PATH" | tr ':' ' '`; do
 
            case "$arg" in
 
            "${ML_POPDIR}"/*)
 
              arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
 
              ;;
 
            esac
 
            if test "x$LD_LIBRARY_PATH_" != x; then
 
              LD_LIBRARY_PATH_=$LD_LIBRARY_PATH_:$arg
 
            else
 
              LD_LIBRARY_PATH_=$arg
 
            fi
 
          done
 
          ml_config_env="$ml_config_env LD_LIBRARY_PATH=$LD_LIBRARY_PATH_"
 
        fi
 
 
 
        if test "x${SHLIB_PATH+set}" = xset; then
 
          SHLIB_PATH_=
 
          for arg in `echo "$SHLIB_PATH" | tr ':' ' '`; do
 
            case "$arg" in
 
            "${ML_POPDIR}"/*)
 
              arg=`echo "X${arg}" | sed -n "s/X\\(${popdir_rx}\\).*/\\1/p"`/${ml_dir}`echo "X${arg}" | sed -n "s/X${popdir_rx}\\(.*\\)/\\1/p"`
 
              ;;
 
            esac
 
            if test "x$SHLIB_PATH_" != x; then
 
              SHLIB_PATH_=$SHLIB_PATH_:$arg
 
            else
 
              SHLIB_PATH_=$arg
 
            fi
 
          done
 
          ml_config_env="$ml_config_env SHLIB_PATH=$SHLIB_PATH_"
 
        fi
 
    fi
 
 
 
    if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
 
        --with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
 
        ${ac_configure_args} ${ml_config_env} ${ml_srcdiroption} ; then
 
      true
 
    else
 
      exit 1
 
    fi
 
 
 
    cd "${ML_POPDIR}"
 
 
 
  done
 
 
 
  cd "${ml_origdir}"
 
fi
 
 
 
fi # ${ml_toplevel_p} = yes
 
fi # ${enable_multilib} = yes

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