diff --git a/ghc-regex-tdfa.spec b/ghc-regex-tdfa.spec
index 97bbf49..5ede938 100644
--- a/ghc-regex-tdfa.spec
+++ b/ghc-regex-tdfa.spec
@@ -1,26 +1,31 @@
+# For Haskell Packaging Guidelines see:
+# - https://fedoraproject.org/wiki/Packaging:Haskell
+# - https://fedoraproject.org/wiki/PackagingDrafts/Haskell
+
 %global pkg_name regex-tdfa
 
+# common part of summary for all the subpackages
 %global common_summary Haskell regular expression library
 
+# main description used for all the subpackages
 %global common_description A new all Haskell "tagged" DFA regex engine, inspired by libtre.
 
-%global ghc_pkg_deps ghc-regex-base-devel,ghc-parsec-devel,ghc-mtl-devel
-
 
 Name:           ghc-%{pkg_name}
 Version:        1.1.8
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
 License:        BSD
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
-ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9
-BuildRequires:  ghc, ghc-doc, ghc-prof
-BuildRequires:  ghc-rpm-macros >= 0.7.0
+ExclusiveArch:  %{ghc_arches}
+BuildRequires:  ghc-Cabal-devel
+# macros for building haskell packages
+BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
-%{?ghc_pkg_deps:BuildRequires:  %{ghc_pkg_deps}, %(echo %{ghc_pkg_deps} | sed -e "s/\(ghc-[^, ]\+\)-devel/\1-doc,\1-prof/g")}
+BuildRequires:  ghc-regex-base-prof,ghc-parsec-prof,ghc-mtl-prof
 
 %description
 %{common_description}
@@ -38,10 +43,15 @@ BuildRequires:  hscolour
 %ghc_lib_install
 
 
-%{?ghc_lib_package}
+# define the shared, devel and prof subpkgs, devel scripts,
+# and filelists: ghc-regex-tdfa.files, ghc-regex-tdfa-devel.files
+%ghc_lib_package
 
 
 %changelog
+* Tue Jun 21 2011 Lakshmi Narasimhan T V <lakshminaras2002@gmail.com> - 1.1.8-2
+- Update to cabal2spec-0.23.2
+
 * Mon Apr 18 2011 Lakshmi Narasimhan T V <lakshminaras2002@gmail.com> - 1.1.8-1
 - Package update to 1.1.8. Update to cabal2spec 0.22.5