message: Added compiler paths for on bg/q.
  Note: We do not currently build TPLs for this compiler in uberenv.
diff: @@ -52,6 +52,11 @@ compilers:
  cxx: /usr/local/tools/toolchain-4.7.2/scripts/bgg++
  f77: /usr/local/tools/toolchain-4.7.2/scripts/bggfortran
  fc: /usr/local/tools/toolchain-4.7.2/scripts/bggfortran
  + gcc@4.8.4:
  + cc: /usr/local/tools/toolchain-4.8.4/scripts/bggcc-4.8.4
  + cxx: /usr/local/tools/toolchain-4.8.4/scripts/bgg++-4.8.4
  + f77: /usr/local/tools/toolchain-4.8.4/scripts/bggfortran-4.8.4
  + fc: /usr/local/tools/toolchain-4.8.4/scripts/bggfortran-4.8.4
  xlc@12.1:
  cc: /usr/local/bin/bgxlc_r
  cxx: /usr/local/bin/bgxlc++_r
  