[lwip-devel] [patch #5822] Handle unused arguments

[Simon Goldschmidt]

Follow-up Comment #2, patch #5822 (project lwip):

It's not that I fear these statements would bloat lwIP binary size, only that
different compilers have very different views of what to warn about.
Statements like "arg = arg;" or "arg;" often give a warning like "statement
has no effect". Personally, I prefer simply not to warn about unused
arguments.
I would define LWIP_UNUSED_ARG to nothing by default and let people override
it if they really need it.

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