[lwip-devel] [patch #5846] struct sockaddr_in has different alignment than struct sockaddr

[Jonathan Larmour]

Follow-up Comment #5, patch #5846 (project lwip):

So you're building with -Wcast-align. That's your problem. lwIP is doing
nothing wrong at all, and I would be against slowing done lwIP to pacify some
warning about something that isn't a problem.

I believe in general that GCC has a principle that -Wall contains warnings
that should not trigger for valid code, unless that valid code can be
adjusted without a speed penalty. Other warnings may be different, and
-Wcast-align is in that category.



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