Merge pull request #511 from dtolnay/docsrs

dtolnay · web-flow · commit fe7d2faa1cab · 2025-08-10T16:37:54.000-07:00
Revert "Work around doc build failure due to docs.rs flags change"
diff --git a/build.rs b/build.rs
@@ -29,8 +29,7 @@ fn main() {
         println!("cargo:rustc-check-cfg=cfg(wrap_proc_macro)");
     }
 
-    let docs_rs = env::var_os("DOCS_RS").is_some();
-    let semver_exempt = cfg!(procmacro2_semver_exempt) || docs_rs;
+    let semver_exempt = cfg!(procmacro2_semver_exempt);
     if semver_exempt {
         // https://github.com/dtolnay/proc-macro2/issues/147
         println!("cargo:rustc-cfg=procmacro2_semver_exempt");

Original file line number	Diff line number	Diff line change
`@@ -29,8 +29,7 @@ fn main() {`
`29`	`29`	`println!("cargo:rustc-check-cfg=cfg(wrap_proc_macro)");`
`30`	`30`	`}`
`31`	`31`
`32`		`- let docs_rs = env::var_os("DOCS_RS").is_some();`
`33`		`- let semver_exempt = cfg!(procmacro2_semver_exempt) \|\| docs_rs;`
	`32`	`+ let semver_exempt = cfg!(procmacro2_semver_exempt);`
`34`	`33`	`if semver_exempt {`
`35`	`34`	`// https://github.com/dtolnay/proc-macro2/issues/147`
`36`	`35`	`println!("cargo:rustc-cfg=procmacro2_semver_exempt");`