From 01b1ac8c7ef619c2335b2eec9b572670035f318d Mon Sep 17 00:00:00 2001
From: Anas Nashif <anas.nashif@intel.com>
Date: Thu, 18 Feb 2021 08:14:59 -0800
Subject: [PATCH] xcc: do not assume clang by default

Some toolchain variants come with no clang support, so do not assume
clang by default and enable this using the enviornment variable
XCC_USE_CLANG.

export XCC_USE_CLANG=1

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
---
 cmake/toolchain/xcc/generic.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/toolchain/xcc/generic.cmake b/cmake/toolchain/xcc/generic.cmake
index 0a195b19e0c..b36b438df42 100644
--- a/cmake/toolchain/xcc/generic.cmake
+++ b/cmake/toolchain/xcc/generic.cmake
@@ -23,7 +23,7 @@ set(SYSROOT_DIR    ${TOOLCHAIN_HOME}/${SYSROOT_TARGET})
 # xt-xcc does not support -Og, so make it -O0
 set(OPTIMIZE_FOR_DEBUG_FLAG "-O0")
 
-if(EXISTS ${CROSS_COMPILE}clang)
+if($ENV{XCC_USE_CLANG})
   set(CC clang)
   set(C++ clang++)
 else()