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| author | Rajkumar Natarajan <rajkumar.natarajan@synacor.com> | 2018-05-10 08:09:56 -0400 |
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| committer | Rajkumar Natarajan <rajkumar.natarajan@synacor.com> | 2018-05-10 08:14:43 -0400 |
| commit | add87abefc2d127d916126b27be19ab028ff8fd9 (patch) | |
| tree | f318b671c76731e9bc69f56d271e7a9e4054bbd1 /src | |
| parent | b787599f9ed85d9c51ebdedb9d2270d9451ae473 (diff) | |
| download | rust-add87abefc2d127d916126b27be19ab028ff8fd9.tar.gz rust-add87abefc2d127d916126b27be19ab028ff8fd9.zip | |
Issue84 Add note about ./x.py build
Diffstat (limited to 'src')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/how-to-build-and-run.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/src/how-to-build-and-run.md b/src/doc/rustc-dev-guide/src/how-to-build-and-run.md index 493f642a5b2..66c73654824 100644 --- a/src/doc/rustc-dev-guide/src/how-to-build-and-run.md +++ b/src/doc/rustc-dev-guide/src/how-to-build-and-run.md @@ -75,6 +75,11 @@ internally. The result is the compiling `rustc` is done in stages. For hacking, often building the stage 1 compiler is enough, but for final testing and release, the stage 2 compiler is used. +`./x.py check` is really fast to build the rust compiler. +It is, in particular, very useful when you're doing some kind of +"type-based refactoring", like renaming a method, or changing the +signature of some function. + Once you've created a config.toml, you are now ready to run `x.py`. There are a lot of options here, but let's start with what is probably the best "go to" command for building a local rust: |