From 2924904d95e9fa845ee271a51a06d7a8650267be Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Fri, 25 Oct 2019 04:20:00 -0500
Subject: [PATCH] pythonPackages.cocotb: fix build on darwin

---
 pkgs/development/python-modules/cocotb/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/python-modules/cocotb/default.nix b/pkgs/development/python-modules/cocotb/default.nix
index 228ac7904ec4..e10ecd8e840a 100644
--- a/pkgs/development/python-modules/cocotb/default.nix
+++ b/pkgs/development/python-modules/cocotb/default.nix
@@ -24,6 +24,9 @@ buildPythonPackage rec {
       cocotb/share/makefiles/simulators/Makefile.*
     do
       substituteInPlace $f --replace 'shell which' 'shell command -v'
+      # replace hardcoded gcc. Remove once https://github.com/cocotb/cocotb/pull/1137 gets merged
+      substituteInPlace $f --replace 'gcc' '$(CC)'
+      substituteInPlace $f --replace 'g++' '$(CXX)'
     done
   '';