http://bugs.busybox.net/view.php?id=297
general case, therefore, combine the toplevel Makefile options such as setting TARGETS into the per-package *.mk file
TARGET_LANGUAGES wasn't being set correctly if you enable GCJ or C++ in the buildroot config. It looks like INSTALL_LIBSTDCPP and INSTALL_LIBGCJ were renamed to BR2_INSTALL_... in the config system, but not in the gcc and ccache makefiles. -Kristian
-Erik