From 81c50404702c7ed7236107acc4b3c8587a967487 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Tue, 7 Nov 2017 08:33:48 +0100
Subject: [PATCH] gpm: fixup build with glibc-2.26

---
 pkgs/servers/gpm/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/servers/gpm/default.nix b/pkgs/servers/gpm/default.nix
index e260ccfb761b..6096aa1ed74d 100644
--- a/pkgs/servers/gpm/default.nix
+++ b/pkgs/servers/gpm/default.nix
@@ -12,6 +12,11 @@ stdenv.mkDerivation rec {
     sha256 = "13d426a8h403ckpc8zyf7s2p5rql0lqbg2bv0454x0pvgbfbf4gh";
   };
 
+  postPatch = ''
+    sed '1i#include <sys/types.h>' -i src/daemon/open_console.c
+    substituteInPlace src/prog/gpm-root.y --replace __sigemptyset sigemptyset
+  '';
+
   nativeBuildInputs = [ automake autoconf libtool flex bison texinfo ];
   buildInputs = [ ncurses ];