Trying to get macports running on my new M1 MacBook Air

Christopher Jones jonesc at
Fri Apr 23 13:31:41 UTC 2021

> --->  Fetching distfiles for libgcc10
> Error: gcc10 10.3.0 is not supported on Darwin 20 arm

> Error: Failed to fetch libgcc10: incompatible OS X version
> Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc10/libgcc10/main.log for details.
> Error: Follow <> to report a bug.
> Error: Processing of port gcc9 failed
> Seems odd to me that gcc9 needs libgcc10.

This is correct. I could explain why (its a nuance of how we ensure a compatible single runtime environment for all support gcc versions, but its not relevant here so I won’t go into that any more).

> Not sure if these two are related but anyone have any idea what the problem might be?

The answer is above

Error: gcc10 10.3.0 is not supported on Darwin 20 arm

No currently released gcc version supports Apple arm. For now the only version you can use is the port gcc-devel’ which has experimental support…


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