id summary reporter owner description type status priority milestone component version resolution keywords cc port 62614 "Unable to Upgrade ""libheif"" on Lion -- Needs ""rust"" Which Only Builds on Yosemite or Later!" RobK88 MarcusCalhoun-Lopez "I am trying to upgrade libheif on an old Mac running Lion. But the upgrade fails since rust is NOW needed and rust can only be built on Macs running Yosemite or later. {{{ $port outdated The following installed ports are outdated: libheif 1.11.0_0 < 1.11.0_2 $ sudo port upgrade outdated ---> Computing dependencies for rust ---> Fetching distfiles for rust Error: rust is only supported on macOS 10.10 or later. Error: Failed to fetch rust: unsupported platform version Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_rust/rust/main.log for details. Error: Problem while installing rust Error: Follow https://guide.macports.org/#project.tickets to report a bug. }}} " defect closed Normal ports 2.6.4 fixed tiger leopard snowleopard lion mountainlion mavericks herbygillot libheif rust