--- a/components/mercurial/Makefile	Tue Dec 09 18:47:43 2014 +0100
+++ b/components/mercurial/Makefile	Tue Dec 09 11:43:38 2014 -0800
@@ -32,6 +32,7 @@
 COMPONENT_ARCHIVE_HASH=	\
     sha256:ed387cc0e9754ec59bd4a390639b5a4ea11698ae4413243f8b4a2d6d48b3b7d6
 COMPONENT_ARCHIVE_URL=	http://www.selenic.com/mercurial/release/$(COMPONENT_ARCHIVE)
+COMPONENT_SIG_URL=	$(COMPONENT_ARCHIVE_URL).asc
 COMPONENT_BUGDB=	utility/hg
 
 # Fails to build: not Python 3 ready.