Add -universal to variants.conf Sent from my iPhone
> On Jan 14, 2021, at 6:09 AM, Joshua Root <[email protected]> wrote: > > Mark Bestley wrote: >> I have just got an Apple Silicon Mac Mini and am trying to install some ports >> I am trying to use just arm code. However some ports put a +universal >> variant as the default. This would not be a problem except some ports do not >> build if universal e.g. python38 and icu. >> Example ports that force unwanted +universal on are >> llvm-9.0 - which I managed to build using the manual fix in the icu ticket >> cargo which depends on python38. Now python38 works if arm build only. >> How do I force things to build for arm only. >> Why are +universal variants set as the default and how can you see which >> depenents are set this way (you can then force those to be single >> architecture) > > This is happening when you install a port that does not support the arm64 > architecture, which means the only way to proceed on arm64 hardware is to > install an x86_64 version. This means that the dependencies need to support > x86_64 as well, which results in them being installed with +universal. > > If you don't want this to happen, you could set universal_archs to just > 'arm64' in macports.conf. This will cause an error when you try to install > any port that would normally trigger installation of a universal dependency. > > - Josh
