message: fix: add gcc to spack config
diff: @@ -12,3 +12,18 @@ compilers:
  fc: /usr/bin/gfortran
  spec: clang@10.0.0
  target: x86_64
  + - compiler:
  + environment: {}
  + extra_rpaths: []
  + flags:
  + cflags: -pthread
  + cxxflags: -pthread
  + modules: []
  + operating_system: ubuntu18.04
  + paths:
  + cc: /usr/bin/gcc
  + cxx: /usr/bin/g++
  + f77: /usr/bin/gfortran
  + fc: /usr/bin/gfortran
  + spec: gcc@8.4.0
  + target: x86_64
  