--- a/hotspot/test/Makefile	Fri Oct 15 02:59:48 2010 -0700
+++ b/hotspot/test/Makefile	Mon Oct 18 01:54:24 2010 -0700
@@ -78,7 +78,11 @@
 TEST_ROOT := $(shell pwd)
 
 # Root of all test results
-ABS_BUILD_ROOT = $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)
+ifdef ALT_OUTPUTDIR
+  ABS_BUILD_ROOT = $(ALT_OUTPUTDIR)/$(PLATFORM)-$(ARCH)
+else
+  ABS_BUILD_ROOT = $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)
+endif
 ABS_TEST_OUTPUT_DIR = $(ABS_BUILD_ROOT)/testoutput
 
 # Expect JPRT to set PRODUCT_HOME (the product or jdk in this case to test)