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-rw-r--r--GNUmakefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/GNUmakefile b/GNUmakefile
index d150d3dc9..4c1d70296 100644
--- 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