Wouldn’t the best solution be to combine Ken’s two good ideas from this thread and add `supported_archs x86_64` to the haskell_stack portgroup, which would handle all ports built using stack?
> IF pandoc set it’s supported_archs to x86_64 (which then matches stack) — > would that now install properly on an M1 Mac, using the fallback archs? > On Aug 15, 2021, at 00:12, Ken Cunningham <ken.cunningham.web...@gmail.com> > wrote: > > > >> On Aug 14, 2021, at 7:13 PM, Joshua Root <j...@macports.org> wrote: >> >>> On 2021-8-15 11:52 , Steven Smith wrote: >>> stack (and ghc, cabal) can only build x86_64, so it’s an x86_64 binary that >>> runs on the M1 (whether built on x86_64 or arm64). >>> The problem is that with the current supported_archs setting in stack, you >>> hit this architecture mismatch error when trying to install pandoc on the >>> M1: >>>> Cannot install pandoc for the arch 'arm64' because >>>> It’s dependency stack is only installed for the arch 'x86_64' >>>> and does not have a universal variant. >>>> Unable to execute port: architecture mismatch >> >> Then the error is correct; you can't build an arm64 pandoc with an x86_64 >> stack. The pandoc port is just following the global build_arch setting since >> it does not set supported_archs and the default is to assume that all archs >> are supported. Since it can only actually build for x86_64, pandoc should >> set supported_archs accordingly. >> >> - Josh > > > IF pandoc set it’s supported_archs to x86_64 (which then matches stack) — > would that now install properly on an M1 Mac, using the fallback archs? > > that would be just right, if that’s how it works, and a proper fix for it all… > > K
