--- a/jdk/make/lib/Lib-java.prefs.gmk	Wed Jul 05 20:08:43 2017 +0200
+++ b/jdk/make/lib/Lib-java.prefs.gmk	Wed Dec 03 19:28:35 2014 +0000
@@ -30,7 +30,7 @@
 ifeq ($(OPENJDK_TARGET_OS), macosx)
   LIBPREF_SRC_DIRS := $(JDK_TOPDIR)/src/java.prefs/macosx/native/libprefs
 else
-  LIBPREF_SRC_DIRS := $(JDK_TOPDIR)/src/java.prefs/$(OPENJDK_TARGET_OS_API_DIR)/native/libprefs
+  LIBPREF_SRC_DIRS := $(JDK_TOPDIR)/src/java.prefs/$(OPENJDK_TARGET_OS_TYPE)/native/libprefs
 endif
 
 $(eval $(call SetupNativeCompilation,BUILD_LIBPREFS, \