tree 53d81a1792510213e5bb67a0a7b6c57b30758405
parent 49463f6a1f0971c03fcdfdf9dd03e7445f6ef935
author Yun Peng <pcloudy@google.com> 1501840602 +0200
committer Dmitry Lomov <dslomov@google.com> 1501859948 +0200

windows_cc_configure.bzl: Clear PATH, INCLUDE, LIB envs

This change prevents leaking irrelevant envs to C++ actions.
Before running VCVARSALL.BAT, we set
    PATH=<system root>
    INCLUDE=
    LIB=

See https://github.com/bazelbuild/bazel/issues/3500

Change-Id: I767a36a3be3c8c01ad5cac2a7762edd34047e1bf
PiperOrigin-RevId: 164242012