diff --git a/libgcrypt.changes b/libgcrypt.changes
index 1c3aaa9..0cbeee6 100644
--- a/libgcrypt.changes
+++ b/libgcrypt.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 30 12:34:56 CET 2008 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Mon Jun 30 11:47:59 CEST 2008 - mkoenig@suse.de
 
diff --git a/libgcrypt.spec b/libgcrypt.spec
index 825c05b..b371dc1 100644
--- a/libgcrypt.spec
+++ b/libgcrypt.spec
@@ -2,9 +2,16 @@
 # spec file for package libgcrypt (Version 1.4.1)
 #
 # Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
-# This file and all modifications and additions to the pristine
-# package are under the same license as the package itself.
 #
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
@@ -15,11 +22,19 @@ Name:           libgcrypt
 BuildRequires:  libgpg-error-devel
 Url:            http://www.gnu.org/directory/Security/libgcrypt.html
 Version:        1.4.1
-Release:        1
+Release:        2
 Summary:        The GNU Crypto Library
 License:        GPL v2 or later; LGPL v2.1 or later
 Group:          Development/Libraries/C and C++
 AutoReqProv:    on
+# bug437293
+%ifarch ppc64
+Obsoletes:      libgcrypt-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      libgcrypt-32bit
+%endif
+#
 Source:         %name-%version.tar.bz2
 Patch0:         %name-ppc64.patch
 Patch1:         libgcrypt-strict-aliasing.patch
@@ -73,6 +88,14 @@ License:        GNU Free Documentation License, Version 1.1 (GFDL 1.1); GPL v2 o
 Summary:        The GNU Crypto Library
 Group:          Development/Libraries/C and C++
 Requires:       libgcrypt11 = %version, libgpg-error-devel, glibc-devel
+# bug437293
+%ifarch ppc64
+Obsoletes:      libgcrypt-devel-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      libgcrypt-devel-32bit
+%endif
+#
 PreReq:         %install_info_prereq
 
 %description devel
@@ -164,6 +187,8 @@ rm -rf $RPM_BUILD_ROOT
 %_datadir/aclocal/libgcrypt.m4
 
 %changelog
+* Thu Oct 30 2008 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Mon Jun 30 2008 mkoenig@suse.de
 - update to version 1.4.1
   * Fixed a bug which led to the comsumption of far too much
@@ -260,7 +285,7 @@ rm -rf $RPM_BUILD_ROOT
 - add libgcrypt-1.1.12-sexp-valgrind-error.patch from SLEC
 * Thu Apr 24 2003 ro@suse.de
 - fix install_info --delete call and move from preun to postun
-* Tue Feb 11 2003 mmj@suse.de
+* Mon Feb 10 2003 mmj@suse.de
 - Use %%install_info macro [#23433]
 * Mon Feb 10 2003 mc@suse.de
 - switch to version 1.1.12