From bbcdceed4d78cc5367ad354c667200f7c5079ef0 Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Wed, 2 Feb 2022 11:50:18 +0800
Subject: [PATCH] libnatpmp: fix cross compilation

---
 pkgs/development/libraries/libnatpmp/default.nix | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/libraries/libnatpmp/default.nix b/pkgs/development/libraries/libnatpmp/default.nix
index 36c1c0dc098c..9672d1cceca7 100644
--- a/pkgs/development/libraries/libnatpmp/default.nix
+++ b/pkgs/development/libraries/libnatpmp/default.nix
@@ -10,13 +10,10 @@ stdenv.mkDerivation rec {
     sha256 = "1c1n8n7mp0amsd6vkz32n8zj3vnsckv308bb7na0dg0r8969rap1";
   };
 
-  postPatch = ''
-    substituteInPlace Makefile \
-      --replace "gcc" "${stdenv.cc.targetPrefix}cc" \
-      --replace "ar" "${stdenv.cc.targetPrefix}ar"
-  '';
-
-  makeFlags = [ "INSTALLPREFIX=$(out)" ];
+  makeFlags = [
+    "INSTALLPREFIX=$(out)"
+    "CC:=$(CC)"
+  ];
 
   postFixup = ''
     chmod +x $out/lib/*