module is missing or whether it is compiled into the kernel, install a
modules.builtin file listing all modules built into the kernel.  This is
done by generating an alternate config file with all tristate =y options
set to =Y and reading the makefiles with this config included.  The built
in modules then appear in obj-Y.
Signed-off-by: Michal Marek <mmarek@suse.cz>
Cc: Jan Beulich <JBeulich@novell.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>