librustc: Don't try to perform the magical

[rust.git] / mk / perf.mk

diff --git a/mk/perf.mk b/mk/perf.mk
index fe5d1e69d5ac147a083d19b4f51bf1977316f92a..16cbaab495d8256a8dfc4feea72921c44ccd19af 100644 (file)
--- a/mk/perf.mk
+++ b/mk/perf.mk
@@ -1,12 +1,25 @@
+# Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
 
 ifdef CFG_PERF_TOOL
-rustc-perf$(X): stage2/rustc$(X)
+rustc-perf$(X): $(CFG_BUILD)/stage2/bin/rustc$(X_$(CFG_BUILD))
        @$(call E, perf compile: $@)
-       $(PERF_STAGE1) -L stage2 -o $@ $(COMPILER_CRATE)
-       rm -f $@
+       $(PERF_STAGE2_T_$(CFG_BUILD)_H_$(CFG_BUILD)) \
+                -o $@ $(COMPILER_CRATE) >rustc-perf.err 2>&1
+       $(Q)rm -f $(LIBRUSTC_GLOB)
 else
-rustc-perf$(X): stage2/rustc$(X)
-       touch $@
+rustc-perf$(X): $(CFG_BUILD)/stage2/bin/rustc$(X_$(CFG_BUILD))
+       $(Q)touch $@
 endif
 
-perf: check-stage2-perf rustc-perf$(X)
+perf: check-stage2-perf rustc-perf$(X_$(CFG_BUILD))
+       $(Q)find $(CFG_BUILD)/test/perf -name \*.err | xargs cat
+       $(Q)cat rustc-perf.err