Re: lilypond does not work with Mac OS 10.15 (Catalina)

[Hans Åberg]

> On 12 Oct 2019, at 07:00, Werner LEMBERG <address@hidden> wrote:
> 
> 
>>> Well, right now you have to build MacPorts from source on MacOS
>>> 10.15 – I guess this takes almost a day of compilation.  (I don't
>>> have such an OS, by the way).
>> 
>> The link I gave has an installer for MacOS 10.15, and it works. :-)
>>   https://www.macports.org/install.php
> 
> This is irrelevant.  To build a distributable `mpkg', you have to
> install MacPorts with a *different* prefix (i.e., not `/opt/local') so
> that it doesn't interfere with the `standard' MacPorts a user might
> have installed.  And for such custom MacPorts installations only
> building from source works.

I made one such distribution, and even sent to a listing of its contents, 
remember?

I think I put it into /usr/local/lilypond or /usr/local/lilypond-devel. Which 
location would you prefer?

>>> And note also that I haven't looked into how and what can get
>>> stripped of from the mpkg bundle.
>> 
>> I got the impression that is what the link you gave was about:
>>  https://lists.gnu.org/archive/html/lilypond-devel/2019-10/msg00047.html
> 
> As mentioned there, a script has to be written that does this
> stripping, and I haven't done so.


OK.

>> Also, lilypond-devel has not been updated to use gcc9.  I am using
>> it for other things, so it would be good not having to install gcc8.
> 
> This will take some time – contrary to Joe User the developers *are*
> interested why building with gcc8 fails.
> 
> I thus ask Catalina users who already have a *completely*
> *regenerated* MacPorts installation[*] to check whether using gcc8
> really fails to build LilyPond.  If it does, please file a MacPorts
> bug ticket with all the details.
> 
> 
>    Werner
> 
> 
> [*]: This is essentially a complete re-installation of MacPorts from
>     scratch, also installing the newest version of XCode and its
>     command line tools before doing that.

I am doing that right now, but there are build errors.