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Rollup merge of #109677 - dpaoliello:rawdylib, r=michaelwoerister,wesleywiser

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Stabilize raw-dylib, link_ordinal, import_name_type and -Cdlltool

This stabilizes the `raw-dylib` feature (#58713) for all architectures (i.e., `x86` as it is already stable for all other architectures).

Changes:
* Permit the use of the `raw-dylib` link kind for x86, the `link_ordinal` attribute and the `import_name_type` key for the `link` attribute.
* Mark the `raw_dylib` feature as stable.
* Stabilized the `-Zdlltool` argument as `-Cdlltool`.
* Note the path to `dlltool` if invoking it failed (we don't need to do this if `dlltool` returns an error since it prints its path in the error message).
* Adds tests for `-Cdlltool`.
* Adds tests for being unable to find the dlltool executable, and dlltool failing.
* Fixes a bug where we were checking the exit code of dlltool to see if it failed, but dlltool always returns 0 (indicating success), so instead we need to check if anything was written to `stderr`.

NOTE: As previously noted (https://github.com/rust-lang/rust/pull/104218#issuecomment-1315895618) using dlltool within rustc is temporary, but this is not the first time that Rust has added a temporary tool use and argument: https://github.com/rust-lang/rust/pull/104218#issuecomment-1318720482

Big thanks to ``````@tbu-`````` for the first version of this PR (#104218)
This commit is contained in:
Yuki Okushi 2023-05-06 09:09:30 +09:00 • committed by GitHub
commit 923a5a2ca7
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62 changed files with 146 additions and 223 deletions
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4
compiler/rustc_session/src/options.rs
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@ -1235,6 +1235,8 @@ options! {
line-tables-only, limited, or full; default: 0)"),
default_linker_libraries: bool = (false, parse_bool, [UNTRACKED],
"allow the linker to link its default libraries (default: no)"),
dlltool: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
"import library generation tool (ignored except when targeting windows-gnu)"),
embed_bitcode: bool = (true, parse_bool, [TRACKED],
"emit bitcode in rlibs (default: yes)"),
extra_filename: String = (String::new(), parse_string, [UNTRACKED],
@ -1391,8 +1393,6 @@ options! {
(default: no)"),
diagnostic_width: Option<usize> = (None, parse_opt_number, [UNTRACKED],
"set the current output width for diagnostic truncation"),
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)"),