Don't touch CXXFLAGS. If it's set in the environment then sub-makes will see
the variable that we set as though it came from the user. Fixes PR6835.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102239 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed