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add cfg SPEC declaration.

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use name[=value] syntax.

Signed-off-by: clundro <859287553@qq.com>
This commit is contained in:
clundro 2023-04-20 19:29:19 +08:00
parent 13fc33e3f2
commit 27c0d92f1d
1 changed files with 2 additions and 1 deletions
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3
compiler/rustc_session/src/config.rs
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@ -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",