Fix dependancy bug of genrule
initialize support for CUDA compiler
Merge pull request #100 from chen3feng/fix-genrule-dep

Fix dependancy bug of genrule
Merge pull request #101 from buaaliyi/cuda-support

initialize support for CUDA compiler
Fix cu_library merge bug
Fix cu_library merge bug
add option 'pure_enums' for ignore backward compatibility. issue: https://github.com/facebook/scribe/issues/32
Merge pull request #103 from simonkuang/master

add thrift library build option 'pure_enums' for ignorring backward compatibility.