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Rollup merge of #90782 - ricobbe:binutils-dlltool, r=michaelwoerister

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Implement raw-dylib support for windows-gnu

Add support for `#[link(kind = "raw-dylib")]` on windows-gnu targets.  Work around binutils's linker's inability to read import libraries produced by LLVM by calling out to the binutils `dlltool` utility to create an import library from a temporary .DEF file; this approach is effectively a slightly refined version of `@mati865's` earlier attempt at this strategy in PR #88801.  (In particular, this attempt at this strategy adds support for `#[link_ordinal(...)]` as well.)

In support of #58713.
This commit is contained in:
Matthias Krüger 2022-01-18 22:00:42 +01:00 • committed by GitHub
commit dd621a4c5c
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24 changed files with 252 additions and 113 deletions
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compiler/rustc_session/src/options.rs
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@ -1161,6 +1161,8 @@ options! {
dep_tasks: bool = (false, parse_bool, [UNTRACKED],
"print tasks that execute and the color their dep node gets (requires debug build) \
(default: no)"),
dlltool: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
"import library generation tool (windows-gnu only)"),
dont_buffer_diagnostics: bool = (false, parse_bool, [UNTRACKED],
"emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) \
(default: no)"),