All of LLVM's Python scripts only support Python 2 for widely understood
reasons.
Patch by Yonggang Luo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184732
91177308-0d34-0410-b5e6-
96231b3b80d8
include(HandleLLVMOptions)
-# Verify that we can find a Python interpreter,
+# Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
+set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
include(FindPythonInterp)
if( NOT PYTHONINTERP_FOUND )
message(FATAL_ERROR