[lwip-devel] Updating lwip.

[artem.gromak]

Hello.

My project for STM32 uses lwip version 2.0.3. I read that the latest version
fixes some bugs in the TCP core and decided to update my project, but I do
not quite understand how to do it correctly.
That's what I did.
1) Deleted all data from the folder lwip\src and copied the contents from
the archive lwip-2.1.2.zip. The sys_arch file.h and sys_arch.c I did not
update.
2) built the project and  it works somehow.
Is it permissible to do so? Or sys_arch files.h and sys_arch.c should also
be updated?

Thanks.



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