If I just change the implementation of function do I need to Recompile all of the dependent dlls?

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in c++ DLL: if I change the implementation of the function, and it's header does not change, should I need to recompile all of the dependent dlls?

Posted 24-Feb-15 0:56am

nature2011

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KarstenK · Answer 1 · 2015-02-24T01:55:00

Solution 1

You should not need it. It is the advantage of interface stability: as long as the interface stays the same the external code isnt harmed from changes inside. Exception is, if the function has a changed functionality as changed error or return codes.

But you need the new dll to get called ;-)

Posted 24-Feb-15 1:55am

KarstenK

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Stefan_Lang 25-Feb-15 4:41am

The end of your first paragraph implies that a recompile is necessary if the implementation change results in different results. this is definitely not correct, nor would I consider that an exceptional case: in fact, the point of changing an implementation is to get different results as a rule - if that wasn't your purpose in the first place, why change at all?