mojave 32-bit compatible and universal builds

[Christopher Jones]

> On 4 Nov 2018, at 1:54 pm, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
> On Nov 4, 2018, at 01:41, Ken Cunningham wrote:
>> 
>> I thought I’d try a 32-bit compatible installation of MacPorts today on Mojave as a proof-of-concept, so I made a new prefix under /opt/universal and set up macports in it. 
>> 
>> I installed a copy of the MacOSX10.13.sdk and referenced that during the builds. 
> 
> I thought we decided we didn't want to pursue that idea, based on Joshua's objections, and instead we wanted to figure out a way to compile universal with the 10.14 SDK, maybe by making a universal 10.14 SDK, or maybe by forcing the build to use libsystem.dylib instead of the tbd file as suggested by Jack.

Personally, I am against both ideas. I particularly object to the above as IMHO its hacking into the build system in ways Apple clearly does not support.

For me, we should just accept 32-bit builds are not possible on Mojave. I’ve asked this before but other than wine and its related ports do we loose, because they do not, or cannot be made to, work 64 bit.

I don’t get all the effort going into keep 32 bit going for just a little bit longer, until Apple completely pull the plug, in a future macOS release.

Chris

> 
> 
>> To make it work, I made a couple of minor mods to portconfigure.tcl rather than add the same stuff to every portfile.  A few ports needed minor tweaking, but in the end everything built through without any trouble and wine and other ports work. 
>> 
>> I can post the portconfigure tweaks if anyone is interested.
>> 
>> Ken
> 

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