tree c7065a0487cd7de03e1e01c41a45502b1525b623
parent 29474ed53c51ebdba34c2f2048e89ce5f290a630
author Wyatt Hepler <hepler@google.com> 1654635867 -0700
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1654714618 +0000

pw_toolchain: Introduce C++ standard target trait

- Define the pw_toolchain_CXX_STANDARD GN arg that specifies which C++
  standard the toolchain supports.
- Provide pw_toolchain_CXX_## constants to use for the various C++
  standards.
- Update pwbug/196 references to b/234883746.

Bug: b/234883746
Change-Id: I8031fc3f2997416f41b50d58c6a434f991886860
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/97441
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Reviewed-by: Armando Montanez <amontanez@google.com>