Re: 64-bit version of Lilypond?

[David Kastrup]

Karlin High <address@hidden> writes:

> On 2/14/2019 4:04 AM, David Kastrup wrote:
>> It may well be that the licensing conditions of any such SDK spell
>> end-of-line for MacOSX support since Apple is allergic to the GPL-v3.
>> It's conceivable that an OpenDarwin SDK without graphics support (after
>> all, we don't really need it, even if it means lack of supporting
>> platform fonts) could work instead.
>>
>> So "suitable Apple SDK" does not just mean "can be made to work" but
>> also "is legally permitted to be made to work".
>
> I have been trying to determine what licenses or permissions the
> current GUB macOS build tools are using. References found so far:
>
> In <http://lilypond.org/downloads/gub-sources/>
> darwin7-sdk-0.4.tar.gz
> darwin8-sdk-0.4.tar.gz
> odcctools-iphone-dev-278.tar.gz
> odcctools-20060413.tar.bz2
> gcc-4.2-20070207.tar.bz2 (Presumably Apple's version of gcc?)

Probably the last one available as GPLv2+.

> Apple-internal investigation." (cc to Han-Wen here.) GUB's macOS
> installer was having trouble running on 10.5 Leopard, suggestion made
> to upgrade version of XCode, Han-Wen explains about GUB. Full quote:
>
> "
> we use GUB (see
> <http://git.sv.gnu.org/gitweb/?p=lilypond.git;a=logh=gub>) to build
> binaries, not Xcode.  We link against
>
> <http://lilypond.org/download/gub-sources/darwin8-sdk-0.4.tar.gz>
>
> which is based on something that I got from ADC. Unfortunately, I
> can't work out which version it is.

Which would explain why I got nowhere trying to figure this out.

> If you could provide me with a similar tarball (or URL) which does
> work for 10.5, that would help. Unfortunately, the ADC requires login,
> so I can't put the proper URL for the SDK package right inside GUB.  "
>
> End quote. I assume ADC means Apple Developer Center, today
> <https://developer.apple.com/> and the current SDK was downloaded from
> there, extracted and repackaged, and uploaded to somewhere
> GUB-accessible like its current location. Apple seems to do well at
> keeping old versions of developer tools available, back to Xcode Tools
> v1.0 from 2003. This has me wondering about a path forward for a newer
> SDK:
>
> * Find what SDK is needed for 64-bit macOS builds.
>     + Assuming Darwin 9, 10.5 SDK, macOS 10.5 Leopard.
> * Try finding what terms the current SDK has or did have
> * Find terms of required SDK
> * If terms are not substantially different, do again what was done before.
>
> Comments?

It's mostly over my head.  Just want to point out that we can probably
make do with a GUI-free version of some Darwin SDK (that would make
LilyPond likely be missing font and possibly GhostScript integration
with MacOSX and have it possibly come without editor, but so what).

-- 
David Kastrup