diff --git a/errno/GNUmakefile b/errno/GNUmakefile
index 1879318..ab96a28 100644
--- a/errno/GNUmakefile
+++ b/errno/GNUmakefile
@@ -1,5 +1,9 @@
-# $Id: GNUmakefile,v 1.6 2011-01-30 19:33:28 hjp Exp $
+# $Id: GNUmakefile,v 1.7 2011-01-30 19:41:15 hjp Exp $
 # $Log: GNUmakefile,v $
+# Revision 1.7  2011-01-30 19:41:15  hjp
+# Replaced GNUmakerules.sh with GNUmakerules.pl because Debian now uses a
+# /bin/sh which doesn't understand echo -e.
+#
 # Revision 1.6  2011-01-30 19:33:28  hjp
 # removed duplicate rules
 #
@@ -31,8 +35,8 @@ install: $(BINDIR)/errno
 
 GNUmakevars: GNUmakevars.sh
 	sh ./$^ > $@
-GNUmakerules: GNUmakerules.sh
-	sh ./$^ > $@
+GNUmakerules: GNUmakerules.pl
+	perl ./$^ > $@
 
 include GNUmakerules
 -include *.d
diff --git a/errno/GNUmakerules.pl b/errno/GNUmakerules.pl
new file mode 100755
index 0000000..8f30daa
--- /dev/null
+++ b/errno/GNUmakerules.pl
@@ -0,0 +1,8 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+
+print "\$(BINDIR)/%: %\n";
+print "\tcp \$^ \$@\n";
+print "\$(MAN1DIR)/%: %\n";
+print "\tcp \$^ \$@\n";
diff --git a/errno/GNUmakerules.sh b/errno/GNUmakerules.sh
deleted file mode 100755
index 952629f..0000000
--- a/errno/GNUmakerules.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-echo "\$(BINDIR)/%: %"
-echo -e "\tcp \$^ \$@"
-echo "\$(MAN1DIR)/%: %"
-echo -e "\tcp \$^ \$@"