libe-book: fix build with gcc6

This commit is contained in:
Robin Gloster
2017-01-19 02:18:03 +01:00
parent 0437bc9663
commit 4e5f484016

View File

@@ -28,6 +28,7 @@ stdenv.mkDerivation {
src = fetchurl {
inherit (s) url sha256;
};
NIX_CFLAGS_COMPILE = "-Wno-error=unused-function";
meta = {
inherit (s) version;
description = ''Library for import of reflowable e-book formats'';