automake: Add a prefix variable to the common sources lists.
In order to do the minimal change for libdricore conversion to automake, I need to put its Makefile.am in a subdirectory. Automake gets whiny/broken if you use GNU make features like "addprefix" or "$(FILES:%=../%)" to munge your *_SOURCES. So, use a plain old variable to be able to substitute in that "../" Reviewed-by: Matt Turner <email@example.com> Reviewed-by: Kenneth Graunke <firstname.lastname@example.org>
Showing with 279 additions and 277 deletions