+for subdir in . ${subdirs} ; do
+
+ # ${subdir} is relative path from . to the directory we're currently
+ # configuring.
+ # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
+ invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
+
+ ### figure out what to do with srcdir
+ case "${srcdir}" in
+ ".") # no -srcdir option. We're building in place.
+ makesrcdir=. ;;
+ /*) # absolute path
+ makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
+ ;;
+ *) # otherwise relative
+ case "${subdir}" in
+ .) makesrcdir=${srcdir} ;;
+ *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
+ esac
+ ;;
+ esac
+
+ if [ "${subdir}/" != "./" ] ; then
+ Makefile=${subdir}/Makefile
+ fi
+
+ if [ ! -d ${subdir} ] ; then
+ if mkdir ${subdir} ; then
+ true
+ else
+ echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
+ exit 1
+ fi
+ fi
+
+ case "${removing}" in
+ "")
+ case "${subdir}" in
+ .) ;;
+ *) eval echo Building in ${subdir} ${redirect} ;;
+ esac
+
+ # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
+ # Set up the list of links to be made.
+ # ${links} is the list of link names, and ${files} is the list of names to link to.
+
+ # Make the links.
+ configlinks="${links}"
+ if [ -r ${subdir}/config.status ] ; then
+ mv -f ${subdir}/config.status ${subdir}/config.back
+ fi
+ while [ -n "${files}" ] ; do
+ # set file to car of files, files to cdr of files
+ set ${files}; file=$1; shift; files=$*
+ set ${links}; link=$1; shift; links=$*
+
+ if [ ! -r ${srcdir}/${file} ] ; then
+ echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
+ echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
+ exit 1
+ fi
+
+ ${remove} -f ${link}
+ # Make a symlink if possible, otherwise try a hard link
+ if ${symbolic_link} ${srcdir}/${file} ${link} >/dev/null 2>&1 ; then
+ true
+ else
+ # We need to re-remove the file because Lynx leaves a
+ # very strange directory there when it fails an NFS symlink.
+ ${remove} -r -f ${link}
+ ${hard_link} ${srcdir}/${file} ${link}
+ fi
+ if [ ! -r ${link} ] ; then
+ echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
+ exit 1
+ fi
+
+ echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
+ 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.
+
+ # the four makefile fragments MUST end up in the resulting Makefile in this order:
+ # package, target, host, and site. so do these separately because I don't trust the
+ # order of sed -e expressions.
+
+ 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_frag}" in
+ "") cp ${srcdir}/${subdir}/${Makefile_in} ${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}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
+ else
+ echo '***' Expected package makefile fragment \"${package_makefile_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
+ # real copy now in ${Makefile}
+
+ mv ${Makefile} ${subdir}/Makefile.tem
+
+ # 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} >>${Makefile}
+ fi
+
+ # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
+ # remove any form feeds.
+ if [ -z "${subdirs}" ]; then
+ rm -f ${subdir}/Makefile.tm2
+ sed -e "s:^SUBDIRS[ ]*=.*$:SUBDIRS = ${configdirs}:" \
+ -e "s:^NONSUBDIRS[ ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
+ ${subdir}/Makefile.tem > ${subdir}/Makefile.tm2
+ rm -f ${subdir}/Makefile.tem
+ mv ${subdir}/Makefile.tm2 ${subdir}/Makefile.tem
+ fi
+ sed -e "s|^prefix[ ]*=.*$|prefix = ${prefix}|" \
+ -e "s|^exec_prefix[ ]*=.*$|exec_prefix = ${exec_prefix}|" \
+ -e "s|^bindir[ ]*=.*$|bindir = ${bindir}|" \
+ -e "s|^sbindir[ ]*=.*$|sbindir = ${sbindir}|" \
+ -e "s|^libexecdir[ ]*=.*$|libexecdir = ${libexecdir}|" \
+ -e "s|^datadir[ ]*=.*$|datadir = ${datadir}|" \
+ -e "s|^sysconfdir[ ]*=.*$|sysconfdir = ${sysconfdir}|" \
+ -e "s|^sharedstatedir[ ]*=.*$|sharedstatedir = ${sharedstatedir}|" \
+ -e "s|^localstatedir[ ]*=.*$|localstatedir = ${localstatedir}|" \
+ -e "s|^libdir[ ]*=.*$|libdir = ${libdir}|" \
+ -e "s|^includedir[ ]*=.*$|includedir = ${includedir}|" \
+ -e "s|^oldincludedir[ ]*=.*$|oldincludedir = ${oldincludedir}|" \
+ -e "s|^infodir[ ]*=.*$|infodir = ${infodir}|" \
+ -e "s|^mandir[ ]*=.*$|mandir = ${mandir}|" \
+ -e "/^CC[ ]*=/{
+ :loop1
+ /\\\\$/ N
+ s/\\\\\\n//g
+ t loop1
+ s%^CC[ ]*=.*$%CC = ${CC}%
+ }" \
+ -e "/^CXX[ ]*=/{
+ :loop2
+ /\\\\$/ N
+ s/\\\\\\n//g
+ t loop2
+ s%^CXX[ ]*=.*$%CXX = ${CXX}%
+ }" \
+ -e "/^CFLAGS[ ]*=/{
+ :loop3
+ /\\\\$/ N
+ s/\\\\\\n//g
+ t loop3
+ s%^CFLAGS[ ]*=.*$%CFLAGS = ${CFLAGS}%
+ }" \
+ -e "/^CXXFLAGS[ ]*=/{
+ :loop4
+ /\\\\$/ N
+ s/\\\\\\n//g
+ t loop4
+ s%^CXXFLAGS[ ]*=.*$%CXXFLAGS = ${CXXFLAGS}%
+ }" \
+ -e "s|^SHELL[ ]*=.*$|SHELL = ${config_shell}|" \
+ -e "s:^GDB_TK[ ]*=.*$:GDB_TK = ${GDB_TK}:" \
+ -e "s|^srcdir[ ]*=.*$|srcdir = ${makesrcdir}|" \
+ -e "s/\f//" \
+ -e "s:^program_prefix[ ]*=.*$:program_prefix = ${program_prefix}:" \
+ -e "s:^program_suffix[ ]*=.*$:program_suffix = ${program_suffix}:" \
+ -e "s:^program_transform_name[ ]*=.*$:program_transform_name = ${program_transform_name}:" \
+ -e "s|^tooldir[ ]*=.*$|tooldir = ${tooldir}|" \
+ -e "s:^DEFAULT_YACC[ ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
+ -e "s:^DEFAULT_LEX[ ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
+ ${subdir}/Makefile.tem >> ${Makefile}
+
+ # If this is a Canadian Cross, preset the values of many more
+ # tools.
+ if [ "${build}" != "${host}" ]; then
+ for var in ${tools}; do
+ val=`eval 'echo $'"${var}"`
+ sed -e "/^${var}[ ]*=/{
+ :loop1
+ /\\\\$/ N
+ /\\\\$/ b loop1
+ s/\\\\\\n//g
+ s%^${var}[ ]*=.*$%${var} = ${val}%
+ }" ${Makefile} > ${Makefile}.tem
+ mv -f ${Makefile}.tem ${Makefile}
+ done
+ fi
+
+ # final copy now in ${Makefile}
+
+ else
+ echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
+ fi
+
+ rm -f ${subdir}/Makefile.tem
+
+ case "${host_makefile_frag}" in
+ "") using= ;;
+ *) using="and \"${host_makefile_frag}\"" ;;
+ esac
+
+ case "${target_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${target_makefile_frag}\"" ;;
+ esac
+
+ case "${site_makefile_frag}" in
+ "") ;;
+ *) using="${using} and \"${site_makefile_frag}\"" ;;
+ esac
+
+ newusing=`echo "${using}" | sed 's/and/using/'`
+ using=${newusing}
+ echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
+
+ . ${tmpfile}.pos
+
+ # describe the chosen configuration in config.status.
+ # Make that file a shellscript which will reestablish
+ # the same configuration. Used in Makefiles to rebuild
+ # Makefiles.
+
+ case "${norecursion}" in
+ "") arguments="${arguments} --norecursion" ;;
+ *) ;;
+ esac
+
+ if [ ${subdir} = . ] ; then
+ echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+${progname}" ${arguments} "
+# ${using}" > ${subdir}/config.new
+ else
+ echo "#!/bin/sh
+# ${NO_EDIT}
+# This directory was configured as follows:
+cd ${invsubdir}
+${progname}" ${arguments} "
+# ${using}" > ${subdir}/config.new
+ fi
+ chmod a+x ${subdir}/config.new
+ if [ -r ${subdir}/config.back ] ; then
+ mv -f ${subdir}/config.back ${subdir}/config.status
+ fi
+ ${config_shell} ${moveifchange} ${subdir}/config.new ${subdir}/config.status
+ ;;
+
+ *) rm -f ${Makefile} ${subdir}/config.status ${links} ;;
+ esac
+done