From 26a48bb0375fb9f0f8a5797e08c08550ec892fdb Mon Sep 17 00:00:00 2001
From: Aaron Andersen <aaron@fosslib.net>
Date: Thu, 12 Sep 2019 12:28:56 -0400
Subject: [PATCH] liquidwar5: fix broken build

---
 pkgs/games/liquidwar/5.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/games/liquidwar/5.nix b/pkgs/games/liquidwar/5.nix
index 0bd90f77b240..a4bd39f99982 100644
--- a/pkgs/games/liquidwar/5.nix
+++ b/pkgs/games/liquidwar/5.nix
@@ -13,6 +13,8 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
+  NIX_CFLAGS_COMPILE = [ "-lm" ];
+
   meta = with stdenv.lib; {
     description = ''The classic version of a quick tactics game LiquidWar'';
     maintainers = [ maintainers.raskin ];