(command.CommandList
  children: [
    (C {<wget>} {<https> <Id.Lit_Colon ':'> <'//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>})
  ]
)