Fix

Author: madsmtm

block-sys/Cargo.toml

@@ -52,6 +52,7 @@ objc-sys = { git = "https://github.com/madsmtm/objc2", optional = true, package
 [package.metadata.docs.rs]
 default-target = "x86_64-apple-darwin"
 no-default-features = true
+rustc-args = ["--cfg", "docsrs"]
 
 targets = [
     # MacOS

block-sys/src/lib.rs

@@ -19,7 +19,7 @@
 extern crate std;
 
 // Ensure linkage actually happens
-#[cfg(feature = "gnustep-1-7")]
+#[cfg(all(feature = "gnustep-1-7", not(docsrs)))]
 extern crate objc_sys as _;
 
 #[cfg(doctest)]