--- /usr/portage/media-libs/faac/faac-1.28-r1.ebuild	2009-10-10 17:05:51.000000000 +0100
+++ faac-1.28-r1.ebuild	2010-03-08 20:09:55.000000000 +0000
@@ -23,6 +23,10 @@
 	epunt_cxx
 }
 
+src_configure() {
+	econf CFLAGS="${CFLAGS} -std=c99" || die "econf failed"
+}
+
 src_install() {
 	emake DESTDIR="${D}" install || die "emake install failed"
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