From b708f1a2b9bc82ada6a22f6c63d9fb6ccedb2862 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 31 Jul 2012 14:26:43 -0400
Subject: CMakeDetermine(C|CXX)Compiler: Consider Clang compilers

Look for "clang" or "clang++" compiler executables so Clang will be used
when it is the only compiler available.  Prefer them last to avoid
changing compiler default preferences for existing scripts.
---
 Modules/CMakeDetermineCCompiler.cmake   | 2 +-
 Modules/CMakeDetermineCXXCompiler.cmake | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Modules/CMakeDetermineCCompiler.cmake b/Modules/CMakeDetermineCCompiler.cmake
index 9028e8e..5c7bec5 100644
--- a/Modules/CMakeDetermineCCompiler.cmake
+++ b/Modules/CMakeDetermineCCompiler.cmake
@@ -56,7 +56,7 @@ IF(NOT CMAKE_C_COMPILER)
   IF(CMAKE_C_COMPILER_INIT)
     SET(CMAKE_C_COMPILER_LIST ${CMAKE_C_COMPILER_INIT})
   ELSE(CMAKE_C_COMPILER_INIT)
-    SET(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc ${_CMAKE_TOOLCHAIN_PREFIX}cc cl bcc xlc)
+    SET(CMAKE_C_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc ${_CMAKE_TOOLCHAIN_PREFIX}cc cl bcc xlc clang)
   ENDIF(CMAKE_C_COMPILER_INIT)
 
   # Find the compiler.
diff --git a/Modules/CMakeDetermineCXXCompiler.cmake b/Modules/CMakeDetermineCXXCompiler.cmake
index 7f8f3ec..f78d7a7 100644
--- a/Modules/CMakeDetermineCXXCompiler.cmake
+++ b/Modules/CMakeDetermineCXXCompiler.cmake
@@ -55,7 +55,7 @@ IF(NOT CMAKE_CXX_COMPILER)
   IF(CMAKE_CXX_COMPILER_INIT)
     SET(CMAKE_CXX_COMPILER_LIST ${CMAKE_CXX_COMPILER_INIT})
   ELSE(CMAKE_CXX_COMPILER_INIT)
-    SET(CMAKE_CXX_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl bcc xlC)
+    SET(CMAKE_CXX_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl bcc xlC clang++)
   ENDIF(CMAKE_CXX_COMPILER_INIT)
 
   # Find the compiler.
-- 
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