[MacPorts] #68522: KeePassXC 2.7.6_0 < 2.7.6_1 Fails to build on Mavericks

[MacPorts]

#68522: KeePassXC 2.7.6_0 < 2.7.6_1 Fails to build on Mavericks
------------------------+-----------------------
  Reporter:  tehcog     |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.1
Resolution:             |   Keywords:  mavericks
      Port:  KeePassXC  |
------------------------+-----------------------

Comment (by RobK88):

 It also fails on Lion 10.7.5.  See attached main.log.

 {{{

 Undefined symbols for architecture x86_64:
   "__availability_version_check", referenced from:
       ___isPlatformVersionAtLeast in
 libclang_rt.osx.a(os_version_check.c.o)
       __initializeAvailabilityCheck in
 libclang_rt.osx.a(os_version_check.c.o)
 Undefined symbols for architecture x86_64:
   "__availability_version_check", referenced from:
       ___isPlatformVersionAtLeast in
 libclang_rt.osx.a(os_version_check.c.o)
       __initializeAvailabilityCheck in
 libclang_rt.osx.a(os_version_check.c.o)
 ld: symbol(s) not found for architecture x86_64
 ld: symbol(s) not found for architecture x86_64
 clang++: error: linker command failed with exit code 1 (use -v to see
 invocation)
 clang++: error: linker command failed with exit code 1 (use -v to see
 invocation)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/68522#comment:1>
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