--- /usr/portage/net-misc/openssh/openssh-7.3_p1-r1.ebuild	2016-08-03 20:26:49.000000000 -0400
+++ /opt/portage-local/net-misc/openssh/openssh-7.3_p1-r1.ebuild	2016-08-17 12:04:36.151465000 -0400
@@ -157,6 +157,12 @@ src_prepare() {
 	)
 	sed -i "${sed_args[@]}" configure{.ac,} || die
 
+	# 7.3 added seccomp support to MIPS, but failed to handled the N32
+	# case.  This patch is temporary until upstream fixes.  See
+	# Gentoo bug #591392 or upstream #2590.
+	[[ ${CHOST} == mips64*-linux-* && ${ABI} == "n32" ]] \
+		&& epatch "${FILESDIR}"/${PN}-7.3-mips-seccomp-n32.patch
+
 	epatch_user #473004
 
 	# Now we can build a sane merged version.h