Automatic recording of required packages...

[Alexander Neundorf]

On Sunday 31 October 2010, you wrote:
> On Sunday 31 October 2010 10:40:39 Alexander Neundorf wrote:
> > I think I'd like to propose that macro_log_feature() ignores the REQUIRED
> > keyword (we can't simply remove it due to compatibility reasons) and that
> > we  use REQUIRED in the find_package() calls instead.
> >
> > Pros:
> > - correct listing of all found and not-found packages by
> > FeatureSummary.cmake - cmake stops processing when something is REQUIRED
> > has not been found
> >
> > Cons: no summary of multiple missing required packages at the end of the
> > cmake  run, only the last missing REQUIRED dependency will be printed.
> >
> > Opinions ?
>
> IMO, the least we try outsmarting upstream, the better :)
>
> I just didn't understand the cons very well: if the last missing REQUIRED
> dependency will be printed out, does it mean that it will try to find all
> the required dependencies but only print the last one?

No, the last == first == only failing find_package(.. REQUIRED) will 
immediately result in a FATAL_ERROR, and cmake processing will stop there.

Alex