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Rollup merge of #91606 - joshtriplett:stabilize-print-link-args, r=pnkfelix

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Stabilize `-Z print-link-args` as `--print link-args`

We have stable options for adding linker arguments; we should have a
stable option to help debug linker arguments.

Add documentation for the new option. In the documentation, make it clear that
the *exact* format of the output is not a stable guarantee.
This commit is contained in:
Matthias Krüger 2022-01-20 17:10:32 +01:00 • committed by GitHub
commit 02379e917b
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13 changed files with 24 additions and 17 deletions
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5
compiler/rustc_session/src/config.rs
View file

@ -565,6 +565,7 @@ pub enum PrintRequest {
TargetSpec,
NativeStaticLibs,
StackProtectorStrategies,
LinkArgs,
}
#[derive(Copy, Clone)]
@ -1187,7 +1188,8 @@ pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
"Compiler information to print on stdout",
"[crate-name|file-names|sysroot|target-libdir|cfg|target-list|\
target-cpus|target-features|relocation-models|code-models|\
tls-models|target-spec-json|native-static-libs|stack-protector-strategies]",
tls-models|target-spec-json|native-static-libs|stack-protector-strategies\
link-args]",
),
opt::flagmulti_s("g", "", "Equivalent to -C debuginfo=2"),
opt::flagmulti_s("O", "", "Equivalent to -C opt-level=2"),
@ -1619,6 +1621,7 @@ fn collect_print_requests(
);
}
}
"link-args" => PrintRequest::LinkArgs,
req => early_error(error_format, &format!("unknown print request `{}`", req)),
}));

2
compiler/rustc_session/src/options.rs
View file

@ -1339,8 +1339,6 @@ options! {
See #77382 and #74551."),
print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
"make rustc print the total optimization fuel used by a crate"),
print_link_args: bool = (false, parse_bool, [UNTRACKED],
"print the arguments passed to the linker (default: no)"),
print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
"print the LLVM optimization passes being run (default: no)"),
print_mono_items: Option<String> = (None, parse_opt_string, [UNTRACKED],