This is a minimalistic script usable for creating packages of gcmole
together with the corresponding Clang. Such packages are used on V8's
infrastructure.

R=machenbach@chromium.org
BUG=v8:8813

Change-Id: Iee3594a3acdc7a4e5b5d5628e5557725d27d9ced
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1523068
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60237}