[MacPorts] #48471: FSF gcc48 fails to compile projects on El Capitan due to OS X SDK bug in Availability.h

MacPorts noreply at macports.org
Mon Oct 26 13:45:44 PDT 2015


#48471: FSF gcc48 fails to compile projects on El Capitan due to OS X SDK bug in
Availability.h
-----------------------+-----------------------
  Reporter:  jasonw@…  |      Owner:  mww@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.3
Resolution:            |   Keywords:  elcapitan
      Port:  gcc48     |
-----------------------+-----------------------
Changes (by ryandesign@…):

 * cc: murrayeisenberg@… (added)


Comment:

 Replying to [comment:48 murrayeisenberg@…]:
 > Replying to [comment:41 jeremyhu@…]:
 > > Yes.  If you want, you can just manually edit Availability.h to
 replace the '`defined(__has_feature)`' with '`defined(__has_attribute)`'
 for the OSX and iOS availability macros, but you do so at your own risk
 because you know what you're doing ;)
 >
 > Even using {{{sudo}}} with an admin account on OS X 10.11.1 did not
 allow me to edit Availability.h. How did you do it (if you did)?

 System Integrity Protection (SIP), a new feature as of OS X 10.11 El
 Capitan, will not allow you to edit files in system locations like /usr.
 SIP can be turned off, but I recommend you don't do that.

 > Also, I could not even build gcc48, again apparently due to the same
 issue with Availability.h.

 Yes.

-- 
Ticket URL: <https://trac.macports.org/ticket/48471#comment:50>
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