--- newlib-2.1.0.ebuild.old	2014-01-19 13:50:57.170755746 -0700
+++ newlib-2.1.0.ebuild.old	2014-01-19 13:54:11.276256309 -0700
@@ -24,6 +24,8 @@ 
 IUSE="nls threads unicode crosscompile_opts_headers-only"
 RESTRICT="strip"
 
+RDEPEND="!<=$CATEGORY/newlib-2.0.0"
+
 NEWLIBBUILD="${WORKDIR}/build"
 
 pkg_setup() {