include ../tools.mk # FIXME: it would be good to check that it's actually the rightmost flags # that are used when multiple flags are specified, but I can't think of a # reliable way to check this. all: # Test that `-O` and `-C opt-level` can be specified multiple times. # The rightmost flag will be used over any previous flags. $(RUSTC) -O -O main.rs $(RUSTC) -O -C opt-level=0 main.rs $(RUSTC) -C opt-level=0 -O main.rs $(RUSTC) -C opt-level=0 -C opt-level=2 main.rs $(RUSTC) -C opt-level=2 -C opt-level=0 main.rs # Test that `-g` and `-C debuginfo` can be specified multiple times. # The rightmost flag will be used over any previous flags. $(RUSTC) -g -g main.rs $(RUSTC) -g -C debuginfo=0 main.rs $(RUSTC) -C debuginfo=0 -g main.rs $(RUSTC) -C debuginfo=0 -C debuginfo=2 main.rs $(RUSTC) -C debuginfo=2 -C debuginfo=0 main.rs