Allow LLDB to be built on a system with an installed gcc/g++ that isn't the default. I recently installed gcc-4.7/g++-4.7 on Ubuntu and tried to build by specifying:

CC=gcc-4.7 CXX=g++-4.7

as configure and make args, but it didn't work when being run with makefiles. This patch fixes that.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@182158 91177308-0d34-0410-b5e6-96231b3b80d8