[MacPorts] #39083: Add information about configure.sdkroot and configure.macosx_deployment_target

[MacPorts]

#39083: Add information about configure.sdkroot and
configure.macosx_deployment_target
--------------------------+----------------------
  Reporter:  gallafent    |      Owner:  mascguy
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  guide        |    Version:
Resolution:               |   Keywords:
      Port:               |
--------------------------+----------------------
Changes (by mascguy):

 * status:  new => assigned
 * owner:  macports-tickets@… => mascguy


-- 
Ticket URL: <https://trac.macports.org/ticket/39083#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS