run compile before jar, but do nothing if build/native exists
run compile before jar, but do nothing if build/native exists

ninjudd/tokyocabinet,ninjudd/tokyocabinet,ninjudd/tokyocabinet,ninjudd/tokyocabinet,ninjudd/tokyocabinet,ninjudd/tokyocabinet,ninjudd/tokyocabinet