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Re: [lwip-devel] Desiderata for 2.2.0: better support for Debian packagi

From: Simon Goldschmidt
Subject: Re: [lwip-devel] Desiderata for 2.2.0: better support for Debian packaging and VirtualSquare
Date: Tue, 27 Dec 2022 20:07:26 +0100
User-agent: K-9 Mail for Android

Hi Renzo,

You're just in time, I was planning to release 2.2.0 these days. The main 
"improvement" would be that contrib is included in the main tree. I'll have a 
look into your patches.


Am 27. Dezember 2022 11:19:57 MEZ schrieb Renzo Davoli <renzo@cs.unibo.it>:
>Dear Simon and dear lwip developers,
>Dear Joan (maintainer of lwip Debian package).
>I have some desiderata for the upcoming 2.2.0 release: fixes and
>new features to simplify the packaging process (for Debian and
>other distros) and the integration with VirtualSquare projects like
>Virtual Distributed Ethernet (VDE) and Internet of Threads (IoTh).
>(see www.virtualsquare.org)
>More precisely my desiderata are:
>0 - unify the contrib code into the main lwip source tree.
>This upgrade has been already planned.
>This change should permit a more strightforward building of the
>new Debian package (currently the implementation is quite tricky:
>a large packaging patch named "port" adds the required code from
>contrib and rewrites the main CMakeLists.txt).
>1- The code generated by contrib/ports/unix/lib has unresolved symbols:
>$ nm liblwip.so | grep ' U ' | grep -v @
>                 U sio_read
>                 U sio_tryread
>slirpif requires sio_read and sio_tryread.
>The patch named 1-libnoslip.patch excludes slip.c from the library
>2- CMakeLists.txt in contrib/ports/unix/lib lacks support for install and
>uninstall and the compatibility with linux sockaddr.
>The patch named 2-linuxlib.patch adds a new dir contrib/ports/unix/linuxlib
>to generate a more linux-consistent library.
>3- Add VDE support (see 
>The patch named 3-vdeif.patch adds an interface driver for vde.
>(It requires libvdeplug).
>Applying all these patches to lwip 2.2.0 should make the Debian packaging
>project almost as simple as adding:
>  dh $@ --sourcedirectory=contrib/ports/unix/linuxlib
>to the 'debian/rules' file.
>Season's greetings and Happy Hacking.
>All the Best,
>       renzo

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