+%define TCPWRAPPER tcpd-devel
+%if "%{_vendor}" == "redhat"
+# Fedora requires tcp_wrappers-devel .
+%define TCPWRAPPER tcp_wrappers
+%endif
+BuildRequires: pkgconfig libxml2-devel libxslt-devel gnutls-devel readline-devel libicu-devel %{TCPWRAPPER}