tree 0c439220ac9d4a369f5b4f7e0aa4fd733c031469
parent 9a720b759ef1c5067ccf5b48a5ed9c61b0217fe9
author Ying Wang <wangying@google.com> 1367000002 -0700
committer Ying Wang <wangying@google.com> 1367000002 -0700

Clean yacc version check

We don't rely on host preinstalled bison/yacc now.

Change-Id: Iac0a7f1c12fe9d33baa53e48297ecb41ad89792d