checking package with clang

Sylvestre Ledru wrote an article "Rebuild of Debian using clang 3.2". Probably package maintainers want to know about their package status with clang in PTS, Paul Wise has already posted to BTS#699936.

And, today I've hit upon an idea, then created a tiny patch for clang support for pbuilder. It may help you to check your package with clang.