--- /usr/portage/media-video/dirac/dirac-1.0.2-r1.ebuild	2017-02-28 21:50:50.000000000 +0200
+++ /usr/local/portage/media-video/dirac/dirac-1.0.2-r1.ebuild	2017-06-05 20:37:35.553291076 +0300
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-inherit autotools eutils multilib-minimal
+inherit autotools eutils flag-o-matic multilib-minimal
 
 DESCRIPTION="Open Source video codec"
 HOMEPAGE="http://dirac.sourceforge.net/"
@@ -24,6 +24,7 @@
 DOCS=( AUTHORS ChangeLog NEWS README TODO )
 
 src_prepare() {
+	append-cxxflags "-std=c++11"
 	epatch "${FILESDIR}"/${PN}-0.5.2-doc.patch
 	AT_M4DIR="m4" eautoreconf
 	export VARTEXFONTS="${T}/fonts"