diff -udr a/configure.in b/configure.in
--- a/configure.in	1998-12-30 08:50:07.000000000 +0100
+++ b/configure.in	2019-06-01 20:38:54.918650170 +0200
@@ -1,3 +1,4 @@
+m4_pattern_allow(.*)
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(src/crctab.c)
 AM_INIT_AUTOMAKE(lrzsz, 0.12.20)
diff -udr lrzsz-0.12.20.orig/po/Makefile.in.in lrzsz-0.12.20/po/Makefile.in.in
--- a/po/Makefile.in.in	1998-04-26 15:22:40.000000000 +0200
+++ b/po/Makefile.in.in	2019-06-01 20:48:09.020703542 +0200
@@ -110,9 +110,9 @@
 install-data-no: all
 install-data-yes: all
 	if test -r $(MKINSTALLDIRS); then \
-	  $(MKINSTALLDIRS) $(datadir); \
+	  $(MKINSTALLDIRS) $(DATADIR); \
 	else \
-	  $(top_srcdir)/mkinstalldirs $(datadir); \
+	  $(top_srcdir)/mkinstalldirs $(DATADIR); \
 	fi
 	@catalogs='$(CATALOGS)'; \
 	for cat in $$catalogs; do \