4 # Compile a `#![no_builtins]` rlib crate
5 $(RUSTC) no_builtins.rs
6 # Build an executable that depends on that crate using LTO. The no_builtins crate doesn't
7 # participate in LTO, so its rlib must be explicitly linked into the final binary. Verify this by
8 # grepping the linker arguments.
9 $(RUSTC) main.rs -C lto --print link-args | $(CGREP) 'libno_builtins.rlib'