(CommandList
  children: [
    (C {(wget)} {(https) (Lit_Other ':') (//github.com/google/flatbuffers/archive/v1.6.0.tar.gz)} {(-O)} 
      {(flatbuffers-1.6.0.tar.gz)}
    )
    (C {(tar)} {(xf)} {(flatbuffers-1.6.0.tar.gz)})
    (C {(pushd)} {(flatbuffers-1.6.0)})
    (C {(cmake)} {(DQ ('-DCMAKE_CXX_FLAGS=-fPIC'))} {(DQ ('-DCMAKE_INSTALL_PREFIX:PATH=/usr'))} 
      {(DQ ('-DFLATBUFFERS_BUILD_TESTS=OFF'))}
    )
    (C {(make)} {(-j5)})
    (C {(make)} {(install)})
    (C {(popd)})
    (C {(rm)} {(-rf)} {(flatbuffers-1.6.0.tar.gz)} {(flatbuffers-1.6.0)})
  ]
)