--- /usr/portage/sci-chemistry/vmd/vmd-1.9.1-r2.ebuild	2013-10-02 08:01:31.000000000 -0400
+++ /usr/portage/sci-chemistry/vmd/vmd-1.9.1-r2.ebuild	2014-07-23 10:19:50.916298263 -0400
@@ -26,6 +26,7 @@ 
 CDEPEND="
 	|| ( =dev-lang/tk-8.5*:0=[-truetype] >=dev-lang/tk-8.6.1 )
 	dev-lang/perl
+	dev-libs/expat
 	dev-python/numpy
 	sci-libs/netcdf
 	virtual/opengl
@@ -182,6 +183,10 @@ 
 		NETCDFLIB="$(pkg-config --libs-only-L netcdf) ${EPREFIX}/usr/$(get_libdir)/libnetcdf.so" \
 		NETCDFINC="$(pkg-config --cflags-only-I netcdf) ${EPREFIX}/usr/include" \
 		NETCDFLDFLAGS="$(pkg-config --libs netcdf)" \
+		EXPATDYNAMIC=1 \
+		EXPATINC=-I${EPREFIX}/usr/include \
+		EXPATLIB=-L${EPREFIX}/usr/$(get_libdir) \
+		EXPATLDFLAGS=-lexpat \
 		LINUX
 
 	# build vmd