<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr">If the Macports-compiled stack runs on arm64, then the prebuilt download will too.</div><div dir="ltr"><br></div><div dir="ltr">The issue as far as I can tell from the internet is that stack will generate x86_64 binaries, even if running on an M1. <a href="https://www.haskell.org/ghc/blog/20200515-ghc-on-arm.html">https://www.haskell.org/ghc/blog/20200515-ghc-on-arm.html</a></div><div dir="ltr"><br></div><div dir="ltr">These x86_64 binaries should run on an M1.</div><div dir="ltr"><br></div><div dir="ltr">If so, is the best approach to remove the supported_archs line from the stack Portfile, or add arm64?</div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On Aug 13, 2021, at 09:21, Ryan Schmidt <ryandesign@macports.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>The stack port's +prebuilt variant installs a prebuilt binary of a particular architecture or architectures. In that variant, the port must declare using supported_archs what the architectures of that prebuilt binary are.</span><br><span></span><br><span></span><br><blockquote type="cite"><span>On Aug 13, 2021, at 07:59, Christopher Jones <jonesc@hep.phy.cam.ac.uk> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>That line is indeed limiting support to intel machines. If it works on arm add that to the list, or probably better just remove it and rely on the defaults.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Chris</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><blockquote type="cite"><span>On 13 Aug 2021, at 1:55 pm, Steven Smith <steve.t.smith@gmail.com> wrote:</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Is this line in the stack Portfile the issue? Ports (like pandoc) that are built using stack depend on the stack port, and port stack says that x86_64 is supported, but not arm64. However, stack installs and runs just fine on an M1 box.</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>supported_archs x86_64</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>https://github.com/macports/macports-ports/blob/4cccce94528cf34ba0ac86ee26d8f33b43351214/lang/stack/Portfile#L31</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>On Aug 13, 2021, at 5:27 AM, Ryan Schmidt <ryandesign@macports.org> wrote:</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>As far as I could tell, this applies to individual ports, but not to a port's dependencies. See:</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>https://trac.macports.org/ticket/63092</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><span></span><br></blockquote><span></span><br></div></blockquote></body></html>