requires bison

groff/groff.spec

@@ -41,7 +41,7 @@ Source0:      ftp://ftp.gnu.org/gnu/groff/groff-%{version}.tar.gz
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 20011126.0
+BuildPreReq:  OpenPKG, openpkg >= 20011126.0, bison
 PreReq:       OpenPKG, openpkg >= 20011126.0
 AutoReq:      no
 AutoReqProv:  no