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rustc --help add --cfg SPEC declaration. #110594

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Apr 26, 2023
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rustc --help add --cfg SPEC declaration. #110594

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3 changes: 2 additions & 1 deletion compiler/rustc_session/src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1400,7 +1400,8 @@ The default is {DEFAULT_EDITION} and the latest stable edition is {LATEST_STABLE
pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
vec![
opt::flag_s("h", "help", "Display this message"),
opt::multi_s("", "cfg", "Configure the compilation environment", "SPEC"),
opt::multi_s("", "cfg", "Configure the compilation environment.
SPEC supports the syntax `NAME[=\"VALUE\"]`.", "SPEC"),
opt::multi("", "check-cfg", "Provide list of valid cfg options for checking", "SPEC"),
opt::multi_s(
"L",
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