From 5cd4f01d852d98ff36d3e7dcf17024c3028b5e17 Mon Sep 17 00:00:00 2001
From: John Schoenick <johns@valvesoftware.com>
Date: Thu, 6 Sep 2018 13:49:02 -0700
Subject: [PATCH] makefile_base.mak: Use clang for CC/CXX on OS X

---
 build/makefile_base.mak | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/build/makefile_base.mak b/build/makefile_base.mak
index 05cd852a..ec4e8da7 100644
--- a/build/makefile_base.mak
+++ b/build/makefile_base.mak
@@ -41,10 +41,18 @@ endif
 
 # If CC is coming from make's defaults or nowhere, use our own default.  Otherwise respect environment.
 ifneq ($(filter default undefined,$(origin CC)),)
-	CC = ccache gcc
+	ifeq ($(OSX),1)
+		CC = ccache clang
+	else
+		CC = ccache gcc
+	endif
 endif
 ifneq ($(filter default undefined,$(origin CXX)),)
-	CXX = ccache g++
+	ifeq ($(OSX),1)
+		CXX = ccache clang++
+	else
+		CXX = ccache g++
+	endif
 endif
 
 export CC