X-Git-Url: https://git.distorted.org.uk/~mdw/dnserr/blobdiff_plain/5d3790e300c1050d2ea4a50837e6d732d7181502..4ee49a0e5e42fe3995ad42f872c270d118a23c6c:/Makefile

diff --git a/Makefile b/Makefile
index d623e18..d1c6653 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,10 @@ CLEAN			+= t.oldsig
 dnserr.zone.sig: dnserr.zone.sigold dnserr.zone.signew
 	awk '$(OLDSIGMATCH) { print; }' \
 		dnserr.zone.sigold >t.oldsig
-	awk '$(OLDSIGMATCH) { system("cat t.oldsig"); next; } \
+	awk '$(OLDSIGMATCH) { \
+		if (!doneoldsig) { system("cat t.oldsig"); doneoldsig = 1; } \
+		next; \
+	     } \
 		{ gsub(/invalid-rrsigx/, "invalid-rrsig"); print; }' \
 		dnserr.zone.signew >$@.new
 	rm t.oldsig