make/MainSupport.gmk

*** 29,43 ****
--- 29,45 ----
  
  ifndef _MAINSUPPORT_GMK
  _MAINSUPPORT_GMK := 1
  
  # Run the tests specified by $1, with PRODUCT_HOME specified by $2
+ # JT_JAVA is picked up by the jtreg launcher and used to run Jtreg itself.
  define RunTests
          ($(CD) $(SRC_ROOT)/test && $(MAKE) $(MAKE_ARGS) -j1 -k MAKEFLAGS= \
              JT_HOME=$(JT_HOME) PRODUCT_HOME=$(strip $2) \
              TEST_IMAGE_DIR=$(TEST_IMAGE_DIR) \
              ALT_OUTPUTDIR=$(OUTPUT_ROOT) TEST_JOBS=$(TEST_JOBS) \
+             JT_JAVA=$(BOOT_JDK) \
              JOBS=$(JOBS) $1) || true
  endef
  
  # Cleans the dir given as $1
  define CleanDir