--- /usr/portage/sys-libs/libstdc++-v3/libstdc++-v3-3.3.6.ebuild	2009-02-16 01:36:42.000000000 +0100
+++ sys-libs/libstdc++-v3/libstdc++-v3-3.3.6.ebuild	2009-02-16 20:33:23.000000000 +0100
@@ -120,10 +120,13 @@
 	EPATCH_SUFFIX="patch" epatch "${WORKDIR}"/patch
 	elibtoolize --portage --shallow
 	./contrib/gcc_update --touch
+	mkdir "${WORKDIR}/build"
 }
 
 src_compile() {
+	cd "${WORKDIR}/build"
 	do_filter_flags
+	ECONF_SOURCE=${S}
 	econf \
 		--enable-shared \
 		--with-system-zlib \
@@ -144,6 +147,7 @@
 }
 
 src_install() {
+	cd "${WORKDIR}/build"
 	emake -j1 DESTDIR="${D}" install-target-libstdc++-v3 || die
 
 	# scrub everything but the library we care about