[MacPorts] #65532: isl @0.25: builds failing for 10.13: call to unavailable member function 'value'

[MacPorts]

#65532: isl @0.25: builds failing for 10.13: call to unavailable member function
'value'
-------------------------+---------------------------------
  Reporter:  dyne2meter  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.2
Resolution:              |   Keywords:
      Port:  isl         |
-------------------------+---------------------------------

Comment (by mascguy):

 Of note, we're seeing a different issue on the 10.13 buildbot. Since the
 reporter is building with Xcode 10.1 - while the buildbot is using 9.4.1 -
 that presumably explains it:

 {{{
 In file included from isl_test2.cc:12:
 ./include/isl/cpp.h:22:10: fatal error: 'any' file not found
 #include <any>
          ^~~~~
 [...]
 In file included from isl_test_cpp17.cc:7:
 ./include/isl/cpp.h:22:10: fatal error: 'any' file not found
 #include <any>
          ^~~~~
 [...]
 In file included from ./include/isl/typed_cpp.h:13:
 ./include/isl/cpp.h:22:10: fatal error: 'any' file not found
 #include <any>
          ^~~~~
 [...]
 In file included from isl_test_cpp17-checked.cc:7:
 ./include/isl/cpp-checked.h:21:10: fatal error: 'any' file not found
 #include <any>
          ^~~~~
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/65532#comment:4>
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