id summary reporter owner description type status priority milestone component version resolution keywords cc port 59837 macOS 10.14 SDK does not appear to be installed even though Command Line Tools are installed manulcaux "When trying to upgrade my ports, some of them fail with the following message : {{{ Warning: The macOS 10.14 SDK does not appear to be installed. Ports may not build correctly. Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'. }}} For example, ds9 won't build : {{{ Error: Failed to build ds9: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_science_ds9/ds9/main.log for details. }}} If I try to install the Xcode-tools, they are installed : {{{ [Emmanuels:/Applications/cassis5.1last] caux% xcode-select --install xcode-select: error: command line tools are already installed, use ""Software Update"" to install updates [Emmanuels:/Applications/cassis5.1last] caux% }}} How should I proceed ? I am running MacOs 10.14.6 and Xcode 11.3" defect closed Normal base worksforme larsknipping