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Add note about special make targets #26832

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Jul 7, 2015
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Add note about special make targets #26832

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15 changes: 15 additions & 0 deletions CONTRIBUTING.md
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Expand Up @@ -83,6 +83,21 @@ feature. We use the 'fork and pull' model described there.

Please make pull requests against the `master` branch.

Compiling all of `make check` can take a while. When testing your pull request,
consider using one of the more specialized `make` targets to cut down on the
amount of time you have to wait. You need to have built the compiler at least
once before running these will work, but that’s only one full build rather than
one each time.

$ make -j8 rustc-stage1 && make check-stage1

is one such example, which builds just `rustc`, and then runs the tests. If
you’re adding something to the standard library, try

$ make -j8 check-stage1-std NO_REBUILD=1

This will not rebuild the compiler, but will run the tests.

All pull requests are reviewed by another person. We have a bot,
@rust-highfive, that will automatically assign a random person to review your
request.
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