tree 9872a10bb25241e0a176432085f5de2c1a67a23b
parent 32a9c5ad6edddcc3e2e76836082c3eed1e3e69c7
author Wyatt Hepler <hepler@google.com> 1611272773 -0800
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1611278473 +0000

CMake: Set PW_ROOT environment variable if unset

Change-Id: Id7a74d3d446403e519dc045603b40cdcae602e65
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/30360
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Rob Mohr <mohrr@google.com>
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>