Source1: http://shibboleth.internet2.edu/downloads/%{name}-%{version}.tar.gz.asc
BuildRoot: %{_tmppath}/%{name}-%{version}-root
-BuildRequires: openssl-devel, curl-devel >= 7.10.6, xerces-c-devel >= 2.6.1
+BuildRequires: openssl-devel, curl-devel >= 7.10.6, xerces%{?xercesver}-c-devel >= 2.6.1
BuildRequires: xml-security-c-devel >= 1.1.0, log4cpp-devel >= 0.3.5
BuildRequires: zlib-devel, opensaml-devel >= 1.1-6
%if "%{_vendor}" == "redhat"