RTEMS | waf: Track cpuopts.h as compilation dependency (!1093)

[SHIVAM DEOLANKAR (@D3athSkulll)]

SHIVAM DEOLANKAR commented on a discussion on wscript: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1093#note_144961

 >      def cc(self, bld, bic, source, target=None, deps=[], cppflags=[]):
 >          if target is None:
 >              target = os.path.splitext(source)[0] + ".o"
 > +
 > +        cpuopts = bld.bldnode.make_node("cpukit/include/rtems/score/cpuopts.h")

Thank you for the clarification. The `cpuopts.h` dependency was added to confirm that the linker errors were caused by stale objects when `cpuopts.h` changes after toggling `RTEMS_SMP`.

I agree that hard-coding this dependency in the generic `cc()` rule is not appropriate. Since header dependencies should normally be detected automatically via `gccdeps.py`, I will investigate why `cpuopts.h` is not being tracked and whether the custom rule definition interferes with dependency scanning.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1093#note_144961
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