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