Re: [lwip-users] Can't build "Working example" from BUILDING

[Erik Ekman]

This is what used to run on travis-ci:
https://git.savannah.nongnu.org/cgit/lwip.git/tree/travis.sh

It includes copying the lwipcfg file you were missing.

On Thu, 30 Sept 2021 at 17:54, Grant Edwards <grant.b.edwards@gmail.com> wrote:
>
> On 2021-09-30, Grant Edwards <grant.b.edwards@gmail.com> wrote:
>
> > That appears to attemp to compile source files. But, that fails also:
> >
> >     $ cmake --build .
> >     [  1%] Building C object 
> > CMakeFiles/makefsdata.dir/home/grante/lwip/lwip/src/apps/http/makefsdata/makefsdata.c.o
> >     /home/grante/lwip/lwip/src/apps/http/makefsdata/makefsdata.c: In 
> > function ‘process_file’:
> >     /home/grante/lwip/lwip/src/apps/http/makefsdata/makefsdata.c:923:32: 
> > error: ‘sprintf’ may write a terminating nul past the end of the 
> > destination [-Werror=format-overflow=]
> >       923 |   sprintf(qualifiedName, "%s/%s", curSubdir, filename);
> >           |                                ^
> >     /home/grante/lwip/lwip/src/apps/http/makefsdata/makefsdata.c:923:3: 
> > note: ‘sprintf’ output 2 or more bytes (assuming 257) into a destination of 
> > size 256
> >       923 |   sprintf(qualifiedName, "%s/%s", curSubdir, filename);
> >           |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >     cc1: all warnings being treated as errors
> >     gmake[2]: *** [CMakeFiles/makefsdata.dir/build.make:76: 
> > CMakeFiles/makefsdata.dir/home/grante/lwip/lwip/src/apps/http/makefsdata/makefsdata.c.o]
> >  Error 1
> >     gmake[1]: *** [CMakeFiles/Makefile2:91: CMakeFiles/makefsdata.dir/all] 
> > Error 2
>
> This seems to be a known problem that was reported over a year ago:
>
>    https://savannah.nongnu.org/bugs/?58194
>
> A patch was submitted to display an intelligible warning along with a
> suggestion for fixing the documenation, but nothing has been done with
> either.
>
> If I had a clue, I would submit a patch for BUILDING, but I think it's
> clear I don't.
>
> --
> Grant
>
>
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