Taught the Boost build how to use Clang 4.0.0 natively on Linux (SLC6)
requested to merge mnovak/atlasexternals:ShowerShape-on-1.0.48.6-geant4-10.6.3-atlaspatch into master
when building in a setup that has both GCC 6.2 and Clang 4.0 in the environment. (As Clang in this case was built with GCC 6.2.)
Conflicts:
External/Boost/CMakeLists.txt