Linkage

2 articles

Fix E0583: Linkage Name Is Not Unique

Rust intermediate Linux macOS Windows Aug 3, 2026

Rust compiler error E0583 occurs when multiple extern declarations share the same name with conflicting or duplicate linkage attributes, violating the One Definition Rule at the linker's level.

Fix E0457: Link Kind Not Allowed on `extern` Block

Rust intermediate Linux macOS Windows WebAssembly Aug 1, 2026

The Rust compiler error E0457 occurs when link kind attributes like static, dylib, or framework are incorrectly applied to `extern` blocks instead of `extern crate` declarations.