openharmony/third_party_rust_proc-macro2
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Merge pull request #310 from dtolnay/docsrs

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Work around doc build failure due to docs.rs flags change
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David Tolnay 2021-12-14 10:07:37 -08:00 committed by GitHub
commit d8c0371a8f
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1 changed files with 2 additions and 1 deletions
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build.rs
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@ -58,7 +58,8 @@ fn main() {
process::exit(1);
}
let semver_exempt = cfg!(procmacro2_semver_exempt);
let docs_rs = env::var_os("DOCS_RS").is_some();
let semver_exempt = cfg!(procmacro2_semver_exempt) || docs_rs;
if semver_exempt {
// https://github.com/dtolnay/proc-macro2/issues/147
println!("cargo:rustc-cfg=procmacro2_semver_exempt");