Ticket #30781: Portfile.diff

Portfile

@@ -94 +94 @@
 
 # hopefully the macosx_deployment_target exists and is set by now.  if
 # not, last resort (which is not desirable) is to use the os.version.
-if {${macosx_deployment_target} == ""} {
+if {${macosx_deployment_target} != ""} {
     set MINOR [lindex [split ${macosx_deployment_target} "."] 1]
 } else {
     set MINOR [expr [lindex [split ${os.version} "."] 0] - 4]