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On the way to fixing #3425, there are a few areas in which
cfg
generation is quite difficult to reason about. I'll be making a few changes here to simplify and make it more targeted so that we can get more accuratecfg
generation for feature-gating.Previously, all of the
cfg
attributes were calculated and written together. The trouble with this is that the archcfg
is applied to C++ types regardless while the remainingcfg
attributes are applied to all types but only during package generation as it relates to feature-gating. This way each can be tailored and simplified and only calculated when actually needed.