| commit | d7111cb6877187d1f378bd231e14ffdd5fdd87ae | [log] [tgz] |
|---|---|---|
| author | Petr Hosek <phosek@google.com> | Mon Jul 16 16:38:53 2018 -0700 |
| committer | Commit Bot <commit-bot@chromium.org> | Tue Jul 17 00:08:21 2018 +0000 |
| tree | 9e91cd0605b74038c11e660e14d55e6dbc7cc797 | |
| parent | a6c2a5d59b80b542d84a48ef29f0c7d445cbc485 [diff] |
Enable identical code folding link option This further reduces the final binary size from 2016216 to 1901528 on Linux. This changes C/C++ semantics and might be incompatible with third-party code that relies on function pointers comparison, but that's not the case for GN. Change-Id: I38e74da3e3e3e2895ef4bda2036e48117cdafe5d Reviewed-on: https://gn-review.googlesource.com/2240 Commit-Queue: Petr Hosek <phosek@google.com> Reviewed-by: Brett Wilson <brettw@chromium.org>
GN is a meta-build system that generates build files for Ninja.
git clone https://gn.googlesource.com/gn cd gn python build/gen.py ninja -C out
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.
GN uses Gerrit for code review. The short version of how to patch is:
... edit code ... ninja -C out && out/gn_unittests
Then, to upload a change for review:
git commit git push origin HEAD:refs/for/master # This uploads for review.
When revising a change, use:
git commit --amend git push origin HEAD:refs/for/master
which will add the new changes to the existing code review, rather than creating a new one.
TODO: AUTHORS, CLA, etc.