From e8ddcf9db42d2e4ad66cbc819804e9abc36575ea Mon Sep 17 00:00:00 2001
From: Ben Siraphob <bensiraphob@gmail.com>
Date: Fri, 12 Mar 2021 01:42:22 +0700
Subject: [PATCH] libnatpmp: fix darwin build

---
 pkgs/development/libraries/libnatpmp/default.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libnatpmp/default.nix b/pkgs/development/libraries/libnatpmp/default.nix
index dd902c0021d..11b8d66b4a8 100644
--- a/pkgs/development/libraries/libnatpmp/default.nix
+++ b/pkgs/development/libraries/libnatpmp/default.nix
@@ -10,6 +10,12 @@ stdenv.mkDerivation rec {
     sha256 = "1c1n8n7mp0amsd6vkz32n8zj3vnsckv308bb7na0dg0r8969rap1";
   };
 
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace "gcc" "${stdenv.cc.targetPrefix}cc" \
+      --replace "ar" "${stdenv.cc.targetPrefix}ar"
+  '';
+
   makeFlags = [ "INSTALLPREFIX=$(out)" ];
 
   meta = with lib; {
@@ -17,6 +23,6 @@ stdenv.mkDerivation rec {
     description = "NAT-PMP client";
     license = licenses.bsd3;
     maintainers = with maintainers; [ orivej ];
-    platforms = platforms.linux;
+    platforms = platforms.all;
   };
 }