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Re: Building Gforth for Apple's new Arm-based Macs
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From: |
Anton Ertl |
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Subject: |
Re: Building Gforth for Apple's new Arm-based Macs |
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Date: |
Wed, 20 Jan 2021 00:08:04 +0100 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Tue, Jan 19, 2021 at 02:42:10PM -0500, Craig Treleaven wrote:
> Hi:
>
> I contribute a little to the MacPorts project. MacPorts packages many, many
> open source software titles for use on Macintosh. I noticed that Gforth
> failed to build on our new buildbot running on an M1 machine(aka Apple’s 64
> bit ARM SOC). The configure phase reported the following error:
>
> checking build system type... Invalid configuration
> `arm64-apple-darwin20.1.0': machine `arm64-apple' not recognized
> configure: error: /bin/sh ./config.sub arm64-apple-darwin20.1.0 failed
config.sub apparently does not know this architecture under the name
arm64, but instead under the name aarch64.
> For a number of years, we’ve invoked configure thusly on Intel 64 bit-based
> Macs:
>
> ./configure --prefix=/opt/local --build=x86_64-apple-darwin14.5.0
>
> I browsed through configure.ac but I have only a rudimentary knowledge of
> auto tools and couldn’t determine if the “-build” flag was even necessary;
If you are not cross-building, you don't need --build. configure then
looks at the current machine and guesses the machine from that (with
config.guess).
> Incidentally, MacPorts tries to support even very old Macintosh systems
> including PPC (both 32 and 64 bit) as well as Intel i386 and X86_64. With
> arm64 added to the mix, that is up to 5 archs!
Nice!
- anton