[lwip-devel] [bug #27157] Preprocessor definitions to exclude IPv6 sources

[Joseph Thomas-Kerr]

Follow-up Comment #4, bug #27157 (project lwip):

That's very true. In my system *.c discovery is automated, *.h is not (so I
manually choose one include directory or the other).

In other network api's that I have used, ipv6 support is an extension to
ipv4, rather than a replacement. Both are in the same header files and there
are #if's to selectively include ipv6.

But I realise that this is quite different to the way that lwip is currently
structured. Still, you could merge ipv4/lwip/in.h and lpv6/lwip/in.h into a
single file and use #if to choose which half to enable (likewise for the other
ip headers), then you always include the same set of headers.

In any case, I imagine you don't want to consider anything like this at the
stage of rc2.

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