+ if [ ! -r ${link} ] ; then
+ echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
+ exit 1
+ fi
+
+ echo "Linked \"${link}\" to \"${srcfile}\"."
+ done
+
+ # Create a .gdbinit file which runs the one in srcdir
+ # and tells GDB to look there for source files.
+
+ if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
+ case ${srcdir} in
+ .) ;;
+ *) cat > ${subdir}/.gdbinit <<EOF
+# ${NO_EDIT}
+dir ${makesrcdir}
+dir .
+source ${makesrcdir}/.gdbinit
+EOF
+ ;;
+ esac
+ fi
+
+ # Install a makefile, and make it set VPATH
+ # if necessary so that the sources are found.
+ # Also change its value of srcdir.
+ # NOTE: Makefile generation constitutes the majority of the time in configure. Hence, this section has
+ # been somewhat optimized and is perhaps a bit twisty.
+
+ # code is order so as to try to sed the smallest input files we know.
+ # so do these separately because I don't trust the order of sed -e expressions.
+
+ # the five makefile fragments MUST end up in the resulting Makefile in this order:
+ # package macros, target, host, site, and package rules.
+
+ if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
+
+ # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
+ rm -f ${subdir}/${Makefile}.tem
+ case "${package_makefile_rules_frag}" in
+ "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
+ *)
+ if [ ! -f ${package_makefile_rules_frag} ] ; then
+ package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
+ fi
+ if [ -f ${package_makefile_rules_frag} ] ; then
+ sed -e "/^####/ r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
+ else
+ echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
+ echo '***' is missing in ${PWD=`pwd`}. 1>&2
+ cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
+ fi
+ esac
+ # working copy now in ${Makefile}.tem
+
+ # Conditionalize for this site.
+ rm -f ${Makefile}
+ case "${site}" in
+ "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+ *)
+ site_makefile_frag=${srcdir}/config/ms-${site}
+
+ if [ -f ${site_makefile_frag} ] ; then
+ sed -e "/^####/ r ${site_makefile_frag}" ${subdir}/Makefile.tem \
+ > ${Makefile}
+ else
+ mv ${subdir}/Makefile.tem ${Makefile}
+ site_makefile_frag=
+ fi
+ ;;
+ esac
+ # working copy now in ${Makefile}
+
+ # Conditionalize the makefile for this host.
+ rm -f ${subdir}/Makefile.tem
+ case "${host_makefile_frag}" in
+ "") mv ${Makefile} ${subdir}/Makefile.tem ;;
+ *)
+ if [ ! -f ${host_makefile_frag} ] ; then
+ host_makefile_frag=${srcdir}/${host_makefile_frag}
+ fi
+ if [ -f ${host_makefile_frag} ] ; then
+ sed -e "/^####/ r ${host_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
+ else
+ echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
+ echo '***' is missing in ${PWD=`pwd`}. 1>&2
+ mv ${Makefile} ${subdir}/Makefile.tem
+ fi
+ esac
+ # working copy now in ${subdir)/Makefile.tem
+
+ # Conditionalize the makefile for this target.
+ rm -f ${Makefile}
+ case "${target_makefile_frag}" in
+ "") mv ${subdir}/Makefile.tem ${Makefile} ;;
+ *)
+ if [ ! -f ${target_makefile_frag} ] ; then
+ target_makefile_frag=${srcdir}/${target_makefile_frag}
+ fi
+ if [ -f ${target_makefile_frag} ] ; then
+ sed -e "/^####/ r ${target_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
+ else
+ mv ${subdir}/Makefile.tem ${Makefile}
+ target_makefile_frag=
+ fi
+ ;;
+ esac
+ # working copy now in ${Makefile}
+
+ # Emit the default values of this package's macros.
+ rm -f ${subdir}/Makefile.tem
+ case "${package_makefile_frag}" in
+ "") mv ${Makefile} ${subdir}/Makefile.tem ;;
+ *)
+ if [ ! -f ${package_makefile_frag} ] ; then
+ package_makefile_frag=${srcdir}/${package_makefile_frag}
+ fi
+ if [ -f ${package_makefile_frag} ] ; then
+ sed -e "/^####/ r ${package_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
+ else
+ echo '***' Expected package makefile fragment \"${package_makefile_rules_frag}\" 1>&2
+ echo '***' is missing in ${PWD=`pwd`}. 1>&2
+ mv ${Makefile} ${subdir}/Makefile.tem
+ fi
+ esac
+ # real copy now in ${subdir}/Makefile.tem
+
+ # prepend warning about editting, and a bunch of variables.
+ rm -f ${Makefile}
+ cat > ${Makefile} <<EOF
+# ${NO_EDIT}
+VPATH = ${makesrcdir}
+links = ${configlinks}
+host_alias = ${host_alias}
+host_cpu = ${host_cpu}
+host_vendor = ${host_vendor}
+host_os = ${host_os}
+host_canonical = ${host_cpu}-${host_vendor}-${host_os}
+target_alias = ${target_alias}
+target_cpu = ${target_cpu}
+target_vendor = ${target_vendor}
+target_os = ${target_os}
+target_canonical = ${target_cpu}-${target_vendor}-${target_os}
+EOF
+ case "${build}" in
+ "") ;;
+ *) cat >> ${Makefile} << EOF
+build_alias = ${build_alias}
+build_cpu = ${build_cpu}
+build_vendor = ${build_vendor}
+build_os = ${build_os}
+build_canonical = ${build_cpu}-${build_vendor}-${build_os}
+EOF
+ esac
+
+ case "${package_makefile_frag}" in
+ "") ;;
+ /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
+ *) echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
+ esac
+
+ case "${target_makefile_frag}" in
+ "") ;;
+ /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
+ *) echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
+ esac
+
+ case "${host_makefile_frag}" in
+ "") ;;
+ /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
+ *) echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
+ esac
+
+ if [ "${site_makefile_frag}" != "" ] ; then
+ echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
+ fi
+
+ # provide a proper gxx_include_dir to all subdirs.
+ # Note, if you change the default, make sure to fix both here
+ # and in the gcc subdirectory.
+ # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
+ gxx_include_dir=
+ if test -n "${with_gxx_include_dir}"; then
+ case "${with_gxx_include_dir}" in
+ yes )
+ echo "configure: error: bad value ${withval} given for g++ include directory" 1>&2
+ exit 1
+ ;;
+ no )
+ ;;
+ * )
+ gxx_include_dir=${with_gxx_include_dir}
+ ;;
+ esac
+ fi
+ if test x${gxx_include_dir} = x; then
+ if test x${enable_version_specific_runtime_libs} = xyes; then
+ echo gxx_include_dir = '${libsubdir}/include/g++' >> ${Makefile}
+ else
+ . ${topsrcdir}/config.if
+ echo gxx_include_dir = '${prefix}/include/g++'-${libstdcxx_interface} >> ${Makefile}