commit | 160387be0d7d793757f5e7508a0cb0080fa7d70a | [log] [tgz] |
---|---|---|
author | Nico Weber <thakis@chromium.org> | Thu Nov 07 12:35:29 2019 -0500 |
committer | Commit Bot <commit-bot@chromium.org> | Thu Nov 07 17:48:59 2019 +0000 |
tree | 6c62452a71ca62d1526212d05683ed6143bba092 | |
parent | 3f6100c97584f7d3f7664add92f1c1dbe0223218 [diff] |
win: Don't use rsp files when linking gn either. The longest link line in gn is < 3000 bytes (gn_lib.lib) and even if gn_lib was a source set, the link line for gn_unittests.exe would still be less than 8000 bytes, so we're comfortably below the limit where rsp files are needed. While here, change flag order to be more like on linux and mac. No behavior change. Change-Id: Ie76c8a9892af20559e3c7d5d04ae77332470aee2 Reviewed-on: https://gn-review.googlesource.com/c/gn/+/6460 Commit-Queue: Nico Weber <thakis@chromium.org> Reviewed-by: Scott Graham <scottmg@chromium.org>
GN is a meta-build system that generates build files for Ninja.
Related resources:
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
.
There is a simple example in examples/simple_build directory that is a good place to get started with the minimal configuration.
For a maximal configuration see the Chromium setup:
and the Fuchsia setup:
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 with GN‘s development on Chromium’s gn-dev@ Google Group.