| ifdef CFG_PERF_TOOL | |
| rustc-perf$(X): $(CFG_HOST_TRIPLE)/stage2/bin/rustc$(X) | |
| @$(call E, perf compile: $@) | |
| $(PERF_STAGE2_T_$(CFG_HOST_TRIPLE)_H_$(CFG_HOST_TRIPLE)) \ | |
| -o $@ $(COMPILER_CRATE) >rustc-perf.err 2>&1 | |
| $(Q)rm -f $(LIBRUSTC_GLOB) | |
| else | |
| rustc-perf$(X): $(CFG_HOST_TRIPLE)/stage2/bin/rustc$(X) | |
| $(Q)touch $@ | |
| endif | |
| perf: check-stage2-perf rustc-perf$(X) | |
| $(Q)find $(CFG_HOST_TRIPLE)/test/perf -name \*.err | xargs cat | |
| $(Q)cat rustc-perf.err |