On Feb 27, 2008, at 15:51, afb at macports.org wrote: > +set macosx_version {} > +if {$os_platform == "darwin"} { > + # This will probably break when Apple changes versioning > + set macosx_version [expr 10.0 + ($os_major - 4) / 10.0] > +} I expect "sw_vers -productVersion" would always work...