It seems a manual 'make' in the respective directories no longer
works, as always the default distro is used as upstream reference.
Let's work around this by adding DISTRO variable assignments to the
respective makefiles.
Change-Id: I8769d504ca7afde07d4a0ad1f03aaaec892bf576
The idea for this is to be used in build verification for erlang
projects. We also include C compiler and common utilities for those
projects or upstream dependencies that may require it.
Change-Id: I06c11a188404e183ed04bacf1673ecef2dc9ca47