@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
nativeBuildInputs = [ cmake ninja pkgconfig ];
# Not sure when and how to pass it. It seems an upstream bug anyway.
CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isClang "-std=c++11";
CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isClang "-std=c++14";
cmakeFlags = [
(mkFlag true "XPDF_HEADERS")