HelloNacl makefile respects CXX
HelloNacl makefile respects CXX


Former-commit-id: 883a76fde76bfaefa8c420cf1c8f962a5f0d46a5
darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide