(TAR_OPTIONS): Set and export, in order to make

tar archive easier to reproduce.

diff --git a/GNUmakefile b/GNUmakefile
index d150d3dc9442f82187644fb7628a0d32a0f2a6e5..4c1d70296f038a7dfccc6d79e74b14e4e722f589 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -14,6 +14,9 @@ have-Makefile := $(shell test -f Makefile && echo yes)
 # give them a diagnostic.
 ifeq ($(have-Makefile),yes)
 
+# Make tar archive easier to reproduce.
+export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
+
 include Makefile
 include $(srcdir)/Makefile.cfg
 include $(srcdir)/Makefile.maint