* Makefile.am [MAINTAINER_MODE]: Define and export TAR_OPTIONS.
diff --git a/Makefile.am b/Makefile.am
index 48001b6..196a28b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -100,6 +100,8 @@
 	chmod 444 $@.new
 	mv -f $@.new $@
 
+export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner --mode=go-w,go+rX
+
 if LINUX
 
 IOCTLDIR = /usr/include