Only in xen-tools/files: xen-tools-3.4.2-ldflags.patch
diff -ur xen-tools.orig//xen-tools-3.4.2-r4.ebuild xen-tools/xen-tools-3.4.2-r4.ebuild
--- xen-tools.orig//xen-tools-3.4.2-r4.ebuild	2011-09-27 16:49:16.075748409 +0800
+++ xen-tools/xen-tools-3.4.2-r4.ebuild	2011-09-27 17:52:45.323746716 +0800
@@ -149,6 +150,11 @@
 	# Remove RedHat-specific stuff
 	rm -rf "${D}"/etc/sysconfig
 
+	# Remove unneeded static-libs
+	rm "${D}"/usr/lib64/libxenctrl.a "${D}"/usr/lib64/libxenguest.a \
+	"${D}"/usr/lib64/libflask.a "${D}"/usr/lib64/libxenstore.a \
+	"${D}"/usr/lib64/libblktap.a "${D}"/usr/lib64/libxenapi.a
+
 	dodoc README docs/README.xen-bugtool docs/ChangeLog
 	if use doc; then
 		emake DESTDIR="${D}" DOCDIR="/usr/share/doc/${PF}" install-docs \