+if [ "${build}" != "${host}" ]; then
+ # If we are doing a Canadian Cross, in which the host and build systems
+ # are not the same, we set reasonable default values for the tools.
+
+ tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
+ tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
+ tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
+ tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
+ tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
+ tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
+
+ for var in ${tools}; do
+ if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
+ sed -n -e ':loop
+/\\$/ N
+s/\\\n//g
+t loop
+/^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
+ < Makefile > Makefile.v
+ t=`tail -1 Makefile.v`
+ if [ -n "${t}" ]; then
+ eval "${var}='${t}'"
+ fi
+ rm -f Makefile.v
+ fi
+ done
+
+ AR=${AR-${host_alias}-ar}
+ AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
+ AS=${AS-${host_alias}-as}
+ AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
+ BISON=${BISON-bison}
+ CC=${CC-${host_alias}-gcc}
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXX=${CXX-${host_alias}-c++}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+ CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
+ DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
+ DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
+ GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
+ HOST_PREFIX=${build_alias}-
+ HOST_PREFIX_1=${build_alias}-
+ LD=${LD-${host_alias}-ld}
+ LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
+ MAKEINFO=${MAKEINFO-makeinfo}
+ NM=${NM-${host_alias}-nm}
+ NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
+ RANLIB=${RANLIB-${host_alias}-ranlib}
+ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
+ WINDRES=${WINDRES-${host_alias}-windres}
+ WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
+
+ if [ -z "${YACC}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/bison; then
+ YACC="bison -y"
+ break
+ fi
+ if test -f $dir/byacc; then
+ YACC=byacc
+ break
+ fi
+ if test -f $dir/yacc; then
+ YACC=yacc
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if [ -z "${YACC}" ]; then
+ YACC="bison -y"
+ fi
+ fi
+
+ if [ -z "${LEX}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/flex; then
+ LEX=flex
+ break
+ fi
+ if test -f $dir/lex; then
+ LEX=lex
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ LEX=${LEX-flex}
+ fi
+
+ # Export variables which autoconf might try to set.
+ export AS
+ export AR
+ export CC_FOR_BUILD
+ export DLLTOOL
+ export LD
+ export NM
+ export RANLIB
+ export WINDRES
+else
+ # If CC is still not set, try to get gcc.
+ if [ -z "${CC}" ]; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ CC="gcc"
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ CC=${CC-cc}
+ fi
+
+ CXX=${CXX-"c++"}
+ CFLAGS=${CFLAGS-"-g"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+export CC
+export CXX
+export CFLAGS
+export CXXFLAGS
+
+# start-sanitize-gdbtk
+# FIXME: This should be in configure.in, not configure
+case "$host" in
+ *go32*)
+ enable_gdbtk=no ;;
+ *msdosdjgpp*)
+ enable_gdbtk=no ;;
+ *cygwin32*)
+ enable_gdbtk=no ;;
+esac
+
+# FIXME: This should be in configure.in, not configure
+# Determine whether gdb needs tk/tcl or not.
+if [ "$enable_gdbtk" != "no" ]; then
+ GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
+ # start-sanitize-ide
+ if [ "$enable_ide" = "yes" ]; then
+ GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui all-libide"
+ fi
+ # end-sanitize-ide
+else
+ GDB_TK=""
+fi
+# end-sanitize-gdbtk
+
+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 for this site.
+ rm -f ${Makefile}
+ case "${site}" in
+ "") cp ${srcdir}/${subdir}/${Makefile_in} ${Makefile} ;;
+ *)
+ site_makefile_frag=${srcdir}/config/ms-${site}
+
+ if [ -f ${site_makefile_frag} ] ; then
+ sed -e "/^####/ r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}
+ else
+ cp ${srcdir}/${subdir}/${Makefile_in} ${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}
+
+ # 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
+ "") 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_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
+
+ mv ${subdir}/${Makefile}.tem ${subdir}/Makefile.tem 2>/dev/null
+
+ # real copy now in ${subdir}/Makefile.tem
+
+ # prepend warning about editting, and a bunch of variables.
+ rm -f ${Makefile}
+ cat > ${Makefile} <<EOF