diff --git a/ghc-fgl.spec b/ghc-fgl.spec
index b53c440..4a044ab 100644
--- a/ghc-fgl.spec
+++ b/ghc-fgl.spec
@@ -1,3 +1,7 @@
+# cabal2spec-0.25
+# https://fedoraproject.org/wiki/Packaging:Haskell
+# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
+
 %global pkg_name fgl
 
 %global common_summary Haskell Functional Graph Library
@@ -5,9 +9,9 @@
 %global common_description Martin Erwig's Functional Graph Library.
 
 Name:           ghc-%{pkg_name}
-# part of haskell-platform-2011.4.0.0
+# part of haskell-platform
 Version:        5.4.2.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -37,10 +41,22 @@ BuildRequires:  ghc-mtl-prof
 %ghc_lib_install
 
 
-%ghc_lib_package
+# devel subpackage
+%ghc_devel_package
+
+%ghc_devel_description
+
+
+%ghc_devel_post_postun
+
+
+%ghc_files LICENSE
 
 
 %changelog
+* Sun Mar 18 2012 Jens Petersen <petersen@redhat.com> - 5.4.2.4-3
+- update to cabal2spec-0.25
+
 * Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 5.4.2.4-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild