--- openjdk/jdk/make/java/nio/Makefile
+++ openjdk/jdk/make/java/nio/Makefile
@@ -961,7 +961,7 @@
 ifeq ($(PLATFORM), macosx)
   NIO_CC=$(HOST_CC)
 else
-  NIO_CC=$(CC)
+  NIO_CC=$(CC_FOR_BUILD)
 endif
 
 $(GENSOR_EXE) : $(TEMPDIR)/$(GENSOR_SRC)