diff -Nurp -x '*~' -x '*.orig' xscreensaver-5.01/po/Makefile.in.in xscreensaver-5.01/po/Makefile.in.in
--- xscreensaver-5.01/po/Makefile.in.in	2009-05-27 17:27:25.014968000 -0700
+++ xscreensaver-5.01/po/Makefile.in.in	2009-05-27 17:27:45.172704000 -0700
@@ -84,6 +84,9 @@
 #       refering to $(srcdir) anyway.  So I just commented (my half-fixed
 #       version of) this rule out.
 #
+# The following line is needed to keep the intltool.m4 autoconf macros from
+# throwing an error message:
+# INTLTOOL_MAKEFILE
 
 GETTEXT_PACKAGE = @GETTEXT_PACKAGE@
 PACKAGE = @PACKAGE@
@@ -149,6 +152,9 @@ TARFILES = $(DISTFILES_1) $(POFILES) $(S
 
 POTFILES = \
 
+# Don't delete this line!
+# Need to keep a non-blank line after POTFILES for sed commands from
+# aclocal.m4 to generate Makefile from Makefile.in without losing CATALOGS
 CATALOGS = @CATALOGS@
 CATOBJEXT = @CATOBJEXT@
 INSTOBJEXT = @INSTOBJEXT@