From f170b3aebcf2ed764e75869c98259a7bdd4bdf0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Mancilla?= <smancill@smancill.dev>
Date: Sun, 10 Jul 2022 00:04:01 -0400
Subject: [PATCH] coan: fix build on darwin

The configure script was failing because the `-std=c++11` flag was used
when trying to compile C.

Set the flag with CXXFLAGS instead.
---
 pkgs/development/tools/analysis/coan/default.nix | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/pkgs/development/tools/analysis/coan/default.nix b/pkgs/development/tools/analysis/coan/default.nix
index 3a1b26f1cc8a..ff564916dd3a 100644
--- a/pkgs/development/tools/analysis/coan/default.nix
+++ b/pkgs/development/tools/analysis/coan/default.nix
@@ -11,9 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ perl ];
 
-  NIX_CFLAGS_COMPILE = [
-    "-std=c++11"
-  ];
+  CXXFLAGS = "-std=c++11";
 
   enableParallelBuilding = true;
 
@@ -22,7 +20,6 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    broken = stdenv.isDarwin;
     description = "The C preprocessor chainsaw";
     longDescription = ''
       A software engineering tool for analysing preprocessor-based