build system: Add hook to postprocess classes (object lists)

This will be used to minimize the ramstage class, to avoid command
line lengths to exceed the limit on mingw, esp. after we got rid
of ramstage.a

Change-Id: I80582d04476545c275e8d1d08fb52a99f58cebcc
Signed-off-by: Patrick Georgi <>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <>
1 file changed