[MacPorts] #50481: qt4-mac: libc++ under Lion

[MacPorts]

#50481: qt4-mac: libc++ under Lion
-------------------------+-----------------------
  Reporter:  ctreleaven  |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:  qt4-mac     |
-------------------------+-----------------------

Comment (by kencu):

 qt4-mac installs on Lion upgraded to LibcxxOnOlderSystems if

 1. this block is altered to include 10.7 (as well as 10.8 and 10.9). I
 haven't tried it, but I don't see how this change could hurt the standard
 Lion installation.
 {{{
 # (21) Under 10.8 and 10.9: Patch to fix corelib linking

 platform darwin {
     #changed from >=8 to >=7
     if {${MINOR} >= 7} {
         patchfiles-append patch-src_corelib_corelib.pro.diff
     }
 }

 }}}

 2. a newer compiler is used. I used clang-3.7, and that worked as would
 anything newer, no doubt. Something a little older might work (but why
 bother)? The Lion default did not work (whatever that is). I have not
 learned how to translate between Apple clang versions and the office
 llvm/clang release numbers yet.

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Ticket URL: <https://trac.macports.org/ticket/50481#comment:9>
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