Unsupport BuildToolsMain in build_mozc.py except for Windows

Since r214, 2-pass build can be enabled only in Windows build.  Hence BuildToolsMain needs to support Windows only.

This is just a clean-up for build rule. No behavior change is intended.

BUG=Issue mozc:223
TEST=compile

git-svn-id: https://mozc.googlecode.com/svn/trunk@371 a6090854-d499-a067-5803-1114d4e51264
2 files changed
tree: a79982c39aa9931eb2bd144116fbaa25ba1d1387
  1. src/