- -e 's,[@]PERL[@],$(PERL),g' > $@
+ -e 's,[@]sysconfdir[@],$(sysconfdir),g' \
+ -e 's,[@]abs_top_srcdir[@],$(abs_top_srcdir),g' \
+ -e 's,[@]ovsdbmonitordir[@],$(ovsdbmonitordir),g' \
+ > $@.tmp
+ @if head -n 1 $@.tmp | grep -q '#!'; then \
+ echo chmod +x $@.tmp; \
+ chmod +x $@.tmp; \
+ fi
+ mv $@.tmp $@