make/InitSupport.gmk

@@ -481,11 +481,11 @@
   define CleanupSmartJavac
         [ -f $(SJAVAC_SERVER_DIR)/server.port ] && $(ECHO) Stopping sjavac server && \
             $(TOUCH) $(SJAVAC_SERVER_DIR)/server.port.stop; true
   endef
 
-  ifeq ($(OPENJDK_BUILD_OS), windows)
+  ifeq ($(call isBuildOs, windows), true)
     # On windows we need to synchronize with the javac server to be able to
     # move or remove the build output directory. Since we have no proper
     # synchronization process, wait for a while and hope it helps. This is only
     # used by build comparisons.
     define WaitForSmartJavacFinish