[MacPorts] #62426: libc++: using a newer libc++ to build software on older macos systems

MacPorts noreply at macports.org
Mon Sep 19 17:25:10 UTC 2022


#62426: libc++: using a newer libc++ to build software on older macos systems
-------------------------------------+--------------------
  Reporter:  kencu                   |      Owner:  kencu
      Type:  enhancement             |     Status:  closed
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:
Resolution:  fixed                   |   Keywords:
      Port:  libcxx macports-libcxx  |
-------------------------------------+--------------------

Comment (by kencu):

 Installing macports libcxx port to replace the system
 /usr/lib/libc++.dylib and libc++abi.dylib on Lion causes some systems apps
 to crash (eg iCal), so I had to revert that on my Lion system. I didn't
 try it on every system.

 it does happen that linking apps against the new libcxx in macports-libcxx
 (in ${prefix}) will cause some applications to crash if they interact with
 other software built against /usr/lib/libc++.dylib on many systems, eg
 Mojave. The crashes are sadly almost completely unpredictable.

-- 
Ticket URL: <https://trac.macports.org/ticket/62426#comment:40>
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