From 4b17b8bba4507a322148bf901cfec387d5cd5e89 Mon Sep 17 00:00:00 2001
From: volth <volth@webmaster.ms>
Date: Fri, 12 Oct 2018 13:14:25 +0000
Subject: [PATCH] screen: fix cross-compiling

---
 pkgs/tools/misc/screen/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/tools/misc/screen/default.nix b/pkgs/tools/misc/screen/default.nix
index 1753f52ab1b6..fd641ea613d5 100644
--- a/pkgs/tools/misc/screen/default.nix
+++ b/pkgs/tools/misc/screen/default.nix
@@ -23,6 +23,12 @@ stdenv.mkDerivation rec {
       stripLen = 1;
     });
 
+  postPatch = stdenv.lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform)
+    # XXX: Awful hack to allow cross-compilation.
+    '' sed -i ./configure \
+           -e 's/^as_fn_error .. \("cannot run test program while cross compiling\)/$as_echo \1/g'
+    ''; # "
+
   buildInputs = [ ncurses ] ++ stdenv.lib.optional stdenv.isLinux pam
                             ++ stdenv.lib.optional stdenv.isDarwin utmp;