diff -r 2edfb3abb041 -r 938340719ac2 jdk/makefiles/GendataFontConfig.gmk
--- a/jdk/makefiles/GendataFontConfig.gmk	Thu Sep 05 10:50:40 2013 -0700
+++ b/jdk/makefiles/GendataFontConfig.gmk	Tue Sep 17 14:48:14 2013 +0200
@@ -66,6 +66,13 @@
   GENDATA_FONT_CONFIG_SRC_PREFIX := macosx.
 endif
 
+ifeq ($(OPENJDK_TARGET_OS), aix)
+  GENDATA_FONT_CONFIG_SRC_DIR    := \
+      $(JDK_TOPDIR)/src/solaris/classes/sun/awt/fontconfigs
+  GENDATA_FONT_CONFIG_SRC_FILES  := fontconfig.properties
+  GENDATA_FONT_CONFIG_SRC_PREFIX := aix.
+endif
+
 ###
 
 $(GENDATA_FONT_CONFIG_DST)/%.src : \