--- Makefile.def.orig	2015-03-10 09:37:41 UTC
+++ Makefile.def
@@ -522,6 +522,7 @@ dependencies = { module=all-m4; on=all-b
 // on libgcc and newlib/libgloss.
 lang_env_dependencies = { module=libjava; cxx=true; };
 lang_env_dependencies = { module=libitm; cxx=true; };
+lang_env_dependencies = { module=libffi; cxx=true; };
 lang_env_dependencies = { module=libcilkrts; cxx=true; };
 lang_env_dependencies = { module=liboffloadmic; cxx=true; };
 lang_env_dependencies = { module=newlib; no_c=true; };