From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Date: Tue, 11 Aug 2015 13:02:41 -0400
Subject: enforce -std=gnu++11 to avoid breakage with gcc5

qt4/Makefile.am | 1 +
1 file changed, 1 insertion(+)

See T1961: pinentry-qt4 needs -std=c++11 to compile with gcc-5.1