Problem installing OM on macOS Catalina with Macports

[Ariel Liebman <ariel.liebman@…>]

"sh-3.2# port install gcc44 # With the addition of llvm/clang as the default compiler in XCode, many ports now fail to build unless you force GCC to be used. Newer MacOS versions may require more recent gfortran compilers available
---> Fetching distfiles for gcc44
Error: building gcc44 is not supported with Xcode 9 or greater
Error: Failed to fetch gcc44: unsupported platform
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc44/gcc44/main.log for details.
Error: Follow ​https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port gcc44 failed”

[Martin Sjölund]

So select a newer gcc version :)