toolchain: add a C++ wrapper

We need some extra flags when building C++, so create a new wrapper for it.

BUG=24803386
TEST=emerge glog/gflags works

Change-Id: I795e1bfd28c78150a2950b0c6b6e4d2b225406fd
7 files changed
tree: 10880f023c9dcccff568a87d861c325b6817c4aa
  1. 3rd-party-binary.mk
  2. Android.mk
  3. NOTICE
  4. TODO
  5. portage/
  6. tests/
  7. toolchain/