diff --git a/Makefile b/Makefile
index 94c9972..3cb3d82 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
 # Makefile for source rpm: bison
-# $Id$
+# $Id: Makefile,v 1.1 2004/09/09 03:30:13 cvsdist Exp $
 NAME := bison
 SPECFILE = $(firstword $(wildcard *.spec))
 
+# Check the right flavor of signature file for ftp.gnu.org site.
+UPSTREAM_CHECKS = sig
+
 include ../common/Makefile.common
diff --git a/mirrors b/mirrors
new file mode 100644
index 0000000..7aaad0b
--- /dev/null
+++ b/mirrors
@@ -0,0 +1 @@
+http://ftp.gnu.org/gnu/bison
diff --git a/upstream b/upstream
new file mode 100644
index 0000000..8edd080
--- /dev/null
+++ b/upstream
@@ -0,0 +1 @@
+bison-2.0.tar.gz
diff --git a/upstream-key.gpg b/upstream-key.gpg
new file mode 100644
index 0000000..0840349
--- /dev/null
+++ b/upstream-key.gpg
@@ -0,0 +1,28 @@
+pub  1024D/69A4726B 2003-08-07 Paul Eggert <eggert@gnu.org>
+     Key fingerprint = 0977 7580 951C E87F 0F3C  83B5 D61E CB34 69A4 726B
+sub  1024g/19F945E3 2003-08-07 [expires: 2004-08-06]
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.2.4 (GNU/Linux)
+
+mQGiBD8yt+oRBADkmVuWjrl0k0lrYOdaczAslirKeiayAd8868d7V6GzfFc/HES4
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+H9CzH0gE60M9mACfXqEHT1kDN+s5z64kiKr0lNe3+9E=
+=ur9y
+-----END PGP PUBLIC KEY BLOCK-----