--- povray-3.7.0.0-r1.ebuild.orig
+++ povray-3.7.0.0-r1.ebuild
@@ -114,6 +114,7 @@
 		$(use_with X x "${EPREFIX}/usr/$(get_libdir)") \
 		$(use_enable static-libs static) \
 		$(usex tiff "" "NON_REDISTRIBUTABLE_BUILD=yes") \
+		--with-boost="${EPREFIX}/usr" \
 		--with-boost-libdir="${EPREFIX}/usr/$(get_libdir)" \
 		--without-libmkl \
 		--disable-pipe \