- # Edit out `#line' or `#' directives.
- #
- # We don't want the resulting debug information to point at
- # an absolute srcdir; it is better for it to just mention the
- # .y file with no path.
- #
- # We want to use the real output file name, not yy.lex.c for
- # instance.
- #
- # We want the include guards to be adjusted too.
- FROM=`echo "$from" | sed \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
- -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
- TARGET=`echo "$2" | sed \
- -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\
- -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'`
-
- sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \
- -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$?
-
- # Check whether header files must be updated.
- if test $first = no; then
- if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
- echo "$2" is unchanged
- rm -f "$target"
- else
- echo updating "$2"
+
+ # Munge "#line" or "#" directives. Don't let the resulting
+ # debug information point at an absolute srcdir. Use the real
+ # output file name, not yy.lex.c for instance. Adjust the
+ # include guards too.
+ sed -e "/^#/!b" \
+ -e "s|$input_rx|$input_sub_rx|" \
+ -e "$sed_fix_filenames" \
+ -e "$sed_fix_header_guards" \
+ "$from" >"$target" || ret=$?
+
+ # Check whether files must be updated.
+ if test "$from" != "$parser"; then
+ if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
+ echo "$to is unchanged"
+ rm -f "$target"
+ else
+ echo "updating $to"