For dlls, derive SPEC_SRCS from MODULE and ALTNAMES.
[wine] / dlls / winmm / joystick /
drwxr-xr-x   ..
-rw-r--r-- 41 .cvsignore
-rw-r--r-- 208 Makefile.in
-rw-r--r-- 11172 joystick.c
-rw-r--r-- 128 joystick.drv.spec