[llvm] r262949 - cmake: include what you use

[Saleem Abdulrasool via llvm-commits]

Author: compnerd
Date: Tue Mar  8 12:56:00 2016
New Revision: 262949

URL: http://llvm.org/viewvc/llvm-project?rev=262949&view=rev
Log:
cmake: include what you use

Add a missing include.  This is important in the case HandleLLVMOptions is
included prior to the missing CheckCXXSourceCompiles or CheckCXXCompilerFlag
which includes CheckCXXSourceCompiles.

Modified:
    llvm/trunk/cmake/modules/CheckCompilerVersion.cmake

Modified: llvm/trunk/cmake/modules/CheckCompilerVersion.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/CheckCompilerVersion.cmake?rev=262949&r1=262948&r2=262949&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/CheckCompilerVersion.cmake (original)
+++ llvm/trunk/cmake/modules/CheckCompilerVersion.cmake Tue Mar  8 12:56:00 2016
@@ -1,6 +1,8 @@
 # Check if the host compiler is new enough. LLVM requires at least GCC 4.7,
 # MSVC 2013, or Clang 3.1.
 
+include(CheckCXXSourceCompiles)
+
 if(NOT DEFINED LLVM_COMPILER_CHECKED)
   set(LLVM_COMPILER_CHECKED ON)