commit | 5519dc2f197d41caa2117e858b9238007fbcf79f | [log] [tgz] |
---|---|---|
author | Petr Hosek <phosek@google.com> | Fri Jan 25 14:03:07 2019 -0800 |
committer | Commit Bot <commit-bot@chromium.org> | Sun Feb 03 00:38:42 2019 +0000 |
tree | b0534f10a8ba1007681de8f833b5767ed3d1f258 | |
parent | 53107bfc61cd2e9fbccffdaf07255898384b8a53 [diff] |
Reintroduce the ICF flag, turn it on for bots This was brought up on https://gn-review.googlesource.com/c/gn/+/3741, some of GN users use linkers that don't support ICF so we need to provide an option to disable it rather than enabling it unconditionally. Change-Id: I8300f2b1883468a586ca26f358c6fdfc1c93afb5 Reviewed-on: https://gn-review.googlesource.com/c/3820 Reviewed-by: Scott Graham <scottmg@chromium.org> Commit-Queue: Petr Hosek <phosek@google.com>
GN is a meta-build system that generates build files for Ninja. There is documentation in docs/ and a presentation on it.
You can download the latest version of GN binary for Linux, macOS and Windows.
Alternatively, you can build GN from source:
git clone https://gn.googlesource.com/gn cd gn python build/gen.py ninja -C out # To run tests: out/gn_unittests
On Windows, it is expected that cl.exe
, link.exe
, and lib.exe
can be found in PATH
, so you'll want to run from a Visual Studio command prompt, or similar.
On Linux and Mac, the default compiler is clang++
, a recent version is expected to be found in PATH
. This can be overridden by setting CC
, CXX
, and AR
.
If you find a bug, you can see if it is known or report it in the bug database.
GN uses Gerrit for code review. The short version of how to patch is:
Register at https://gn-review.googlesource.com. ... edit code ... ninja -C out && out/gn_unittests
Then, to upload a change for review:
git commit git cl upload --gerrit
When revising a change, use:
git commit --amend git cl upload --gerrit
which will add the new changes to the existing code review, rather than creating a new one.
We ask that all contributors sign Google's Contributor License Agreement (either individual or corporate as appropriate, select ‘any other Google project’).
You may ask questions and follow along w/ GN‘s development on Chromium’s gn-dev@ Google Group.