tree dc0181bfe4f0a7e957a226564b8757fa3436d126
parent 577f6e4baf4d01ebcb67c613b6d3f94fc74be8e5
author Colin Cross <ccross@android.com> 1427762873 -0700
committer Colin Cross <ccross@android.com> 1428011335 -0700

Use @files for ld and ar

ld and ar command lines often end up larger than ARG_MAX, use Ninja's
rsp file support to automatically write the object files to a temporary
file and pass it in using @file support.

This isn't going to work on Darwin host builds, where the host
toolchains don't support @.

Change-Id: Ida2f4e114ab02df6967e863577fa324e197827d5