XCODE_VERSION on macOS, tell the Xcode Command Line Tools version
function v = xcode_version() v = ''; if ismac() [s, m] = system('pkgutil --pkg-info com.apple.pkg.CLTools_Executables'); if s == 0 v = regexp(m, '(?<=version:\s*)(\d+\.\d+(\.\d+)+)', 'match', 'once'); else warning("stdlib:xcode_version:runtimeError", "%d failed to get Command Line Tools Xcode version", s) end end end