GNUradio on Mac mini Big Sur M1 Install errors

[Dan Hinckley]

I’m not clever enough to understand these errors. If there is a remedy, can someone point me at solutions?

> sudo port install gnuradio
> Password:
> --->  Computing dependencies for glib2
> --->  Fetching archive for glib2
> --->  Attempting to fetch glib2-2.62.6_0+universal+x11.darwin_20.arm64-x86_64.tbz2 from https://packages.macports.org/glib2
> --->  Attempting to fetch glib2-2.62.6_0+universal+x11.darwin_20.arm64-x86_64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/glib2
> --->  Attempting to fetch glib2-2.62.6_0+universal+x11.darwin_20.arm64-x86_64.tbz2 from https://mse.uk.packages.macports.org/glib2
> --->  Fetching distfiles for glib2
> --->  Attempting to fetch glib-2.62.6.tar.xz from http://mirror.cc.columbia.edu/pub/software/gnome/sources/glib/2.62/
> --->  Attempting to fetch glib-2.62.6.tar.xz from https://distfiles.macports.org/glib2
> --->  Verifying checksums for glib2
> --->  Extracting glib2
> --->  Applying patches to glib2
> --->  Configuring glib2
> Warning: Configuration logfiles contain indications of -Wimplicit-function-declaration; check that features were not accidentally disabled:
>   isnanf: found in build-x86_64/meson-logs/meson-log.txt
> --->  Building glib2
> --->  Staging glib2 into destroot                        
> Error: Failed to destroot glib2: glib-2.0.pc differs in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_glib2/glib2/work/destroot-arm64//opt/local/lib/pkgconfig and /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_glib2/glib2/work/destroot-ppc-intel//opt/local/lib/pkgconfig and cannot be merged
> Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_glib2/glib2/main.log for details.
> Error: Unable to execute port: upgrade cairo failed