diff --git a/bison.spec b/bison.spec
index 70fc3de..3b96e9b 100644
--- a/bison.spec
+++ b/bison.spec
@@ -1,7 +1,7 @@
 Summary: A GNU general-purpose parser generator.
 Name: bison
 Version: 2.0
-Release: 1
+Release: 2
 License: GPL
 Group: Development/Tools
 #Source: ftp://ftp.gnu.org/pub/gnu/bison/bison-%{version}.tar.bz2
@@ -26,6 +26,17 @@ development.
 If your system will be used for C development, you should install
 Bison.
 
+%package devel
+Summary: -ly library for development using Bison-generated parsers
+Group: Development/Libraries
+
+%description devel
+The bison-devel package contains the -ly library sometimes used by
+programs using Bison-generated parsers.  If you are developing programs
+using Bison, you might want to link with this library.  This library
+is required by all Bison-generated parsers, but may be employed by
+simple programs to supply minimal support for the generated parsers.
+
 %prep
 %setup -q
 
@@ -59,12 +70,17 @@ fi
 %{_datadir}/bison
 %{_infodir}/bison.info*
 %{_bindir}/bison
+
+%files devel
 %{_libdir}/liby.a
 
 %clean
 rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Thu Jan  6 2005 Roland McGrath <roland@redhat.com> - 2.0-2
+- split liby.a into bison-devel package
+
 * Tue Jan  4 2005 Roland McGrath <roland@redhat.com> - 2.0-1
 - new upstream version