From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../rustc_error_codes/src/error_codes/E0457.md | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 compiler/rustc_error_codes/src/error_codes/E0457.md (limited to 'compiler/rustc_error_codes/src/error_codes/E0457.md') diff --git a/compiler/rustc_error_codes/src/error_codes/E0457.md b/compiler/rustc_error_codes/src/error_codes/E0457.md new file mode 100644 index 000000000..53d384d36 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0457.md @@ -0,0 +1,36 @@ +Plugin `..` only found in rlib format, but must be available in dylib format. + +Erroronous code example: + +`rlib-plugin.rs` +```ignore (needs-linkage-with-other-tests) +#![crate_type = "rlib"] +#![feature(rustc_private)] + +extern crate rustc_middle; +extern crate rustc_driver; + +use rustc_driver::plugin::Registry; + +#[no_mangle] +fn __rustc_plugin_registrar(_: &mut Registry) {} +``` + +`main.rs` +```ignore (needs-linkage-with-other-tests) +#![feature(plugin)] +#![plugin(rlib_plugin)] // error: plugin `rlib_plugin` only found in rlib + // format, but must be available in dylib + +fn main() {} +``` + +The compiler exposes a plugin interface to allow altering the compile process +(adding lints, etc). Plugins must be defined in their own crates (similar to +[proc-macro](../reference/procedural-macros.html) isolation) and then compiled +and linked to another crate. Plugin crates *must* be compiled to the +dynamically-linked dylib format, and not the statically-linked rlib format. +Learn more about different output types in +[this section](../reference/linkage.html) of the Rust reference. + +This error is easily fixed by recompiling the plugin crate in the dylib format. -- cgit v1.2.3