tree aeca1cebc3ebb3051d7456eb7c5a328f6d46212e
parent 91e1d3f880a4d0b028d2eb81a6e1d40b79600455
author Mike Frysinger <vapier@google.com> 1447975260 -0500
committer Mike Frysinger <vapier@google.com> 1447975260 -0500

toolchain: reject host paths

We don't want to include or link against host paths, so throw an error
rather than letting things perhaps silently compile.

Change-Id: I3908d2df6935ad81e883535311e10c363f55d302