id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,port 61541,gd2 2.3.0_0 +x11.darwin on Intel/BigSur: clang: error: invalid version number in 'MACOSX_DEPLOYMENT_TARGET=11.0',shibukawa,,"When I reinstall gd2 on my BigSur installed mac, I got error: {{{ % sudo port install gd2 Warning: The macOS 11.0 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'. ---> Computing dependencies for gd2 ---> Fetching archive for gd2 ---> Attempting to fetch gd2-2.3.0_0+x11.darwin_20.x86_64.tbz2 from https://kmq.jp.packages.macports.org/gd2 ---> Attempting to fetch gd2-2.3.0_0+x11.darwin_20.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/gd2 ---> Attempting to fetch gd2-2.3.0_0+x11.darwin_20.x86_64.tbz2 from https://packages.macports.org/gd2 ---> Configuring gd2 Error: Failed to configure gd2, consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_gd2/gd2/work/libgd-2.3.0/config.log Error: Failed to configure gd2: configure failure: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_graphics_gd2/gd2/main.log for details. Error: Follow https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port gd2 failed }}} The log contains the following error: {{{ clang: error: invalid version number in 'MACOSX_DEPLOYMENT_TARGET=11.0' }}} On my console, I got warning about xcode-select --install, but this command dumps the following message and I could install other ports like nodejs14 (it was built from source), so this is not the cause I think. {{{ % sudo xcode-select --install xcode-select: error: command line tools are already installed, use ""Software Update"" to install updates }}}",defect,closed,Normal,,ports,2.6.4,invalid,,,