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authorbors <bors@rust-lang.org>2014-07-05 22:51:38 +0000
committerbors <bors@rust-lang.org>2014-07-05 22:51:38 +0000
commitc3ef04be5589901e7f3d9428ebe8f1eb2bdca7e4 (patch)
tree38550cd6dbb5daa27969c3f05b3e46c01ba4f2d0 /src/rustllvm/ExecutionEngineWrapper.cpp
parentb8ef5cf1310a7b1e31d0993885d867a6804597ad (diff)
parent56f71015515490b65b5fbb46ff0bbc7d7af82450 (diff)
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auto merge of #15319 : alexcrichton/rust/no-crate-id, r=brson
This is an implementation of [RFC 35](https://github.com/rust-lang/rfcs/blob/master/active/0035-remove-crate-id.md).

The summary for this PR is the same as that of the RFC, with one addendum:


* Removes the `#[crate_id]` attribute and knowledge of versions from rustc.
* Added a `#[crate_name]` attribute similar to the old `#[crate_id]` attribute
* Output filenames no longer have versions or hashes
* Symbols no longer have versions (they still have hashes)
* A new flag, `--extern`, is used to override searching for external crates
* A new flag, `-C metadata=foo`, used when hashing symbols
* [added] An old flag, `--crate-name`, was re purposed to specify the crate name from the command line.

I tried to maintain backwards compatibility wherever possible (with warnings being printed). If I missed anywhere, however, please let me know!

[breaking-change]

Closes #14468
Closes #14469
Closes #14470
Closes #14471
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