does cmake really need to blacklist macports-clang >= 3.8?

[Ryan Schmidt]

On Dec 9, 2017, at 05:07, René J. V. Bertin wrote:

> René J.V. Bertin wrote:
> 
>> This is not (directly) a dependency issue that affects the PortIndex so maybe
>> it's possible (and acceptable) to wrap the compiler.blacklist statement in a
>> test expression? I can figure out the former, the latter a bit less ;-)
> 
> This seems to do the trick:
> 
> if {!([catch {registry_active "cmake"}] == 0 \
>      || [catch {registry_active "cmake-devel"}] == 0)} {
>    foreach cv {3.8 3.9 4.0 5.0} {
>        if {[catch {registry_active "clang-${cv}"}] != 0} {
>            ui_debug "blacklisting macports-clang-${cv} because it might need us 
> for installation"
>            compiler.blacklist-append macports-clang-${cv}
>        }
>    }
> }

As far as I know, the port works as is, and it took a long time to get it that way. Why do you want to change it and risk breaking it again?