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Re: [libvirt PATCH] meson: fix readline detection if there is no pkg-config file

On Wed, Aug 05, 2020 at 01:16:01PM +0200, Andrea Bolognani wrote:
> On Wed, 2020-08-05 at 12:51 +0200, Pavel Hrdina wrote:
> > Commit <74416b1d4849ef77ef31de5344dd75f03094434b> added check for
> > rl_completion_quote_character to make sure we have correct readline
> > library. Commit <a9443bc9a9ef451b46306e66ed3b706756fc1414> added
> > inaccurate comment that it's a function.
> So it was my fault after all O:-)
> > +    correct_rl = cc.has_header_symbol('readline/readline.h', 'rl_completion_quote_character', prefix: '#include <stdio.h>')
> > +    if not correct_rl
> > +      if get_option('readline').enabled()
> > +        error('readline is missing rl_completion_quote_character')
> This matches the original error message, but thinking about it again
> I would suggest changing it to something like
>   error('readline >= @0@ was not found'.format(readline_version))
> because the specifics of the symbol are not important here, we just
> happen to be using it as a witness.

Most of the error messages could use some rewording and I feel that it
should be done separately.

> Either way,
>   Reviewed-by: Andrea Bolognani <abologna redhat com>

Thanks, I'll leave the error message cleanup for different day.


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