--- libxml2-2.9.3.ebuild.old	2016-05-01 22:29:11.000000000 -0400
+++ libxml2-2.9.3.ebuild	2016-05-05 00:08:37.308932448 -0400
@@ -130,7 +130,7 @@
 
 	libxml2_py_configure() {
 		mkdir -p "${BUILD_DIR}" || die # ensure python build dirs exist
-		run_in_build_dir libxml2_configure "--with-python=${PYTHON}" # odd build system
+		run_in_build_dir libxml2_configure "--with-python=${ROOT%/}${PYTHON}" # odd build system
 	}
 
 	libxml2_configure --without-python # build python bindings separately