[MacPorts] #62415: bazel @4.0.0: clang: error: unknown argument: '-fdebug-compilation-dir'

[MacPorts]

#62415: bazel @4.0.0: clang: error: unknown argument: '-fdebug-compilation-dir'
------------------------+-------------------------
 Reporter:  ryandesign  |      Owner:  missa-prime
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.99
 Keywords:              |       Port:  bazel
------------------------+-------------------------
 bazel @4.0.0 does not build for me on High Sierra:
 {{{
 ERROR: .../third_party/grpc/BUILD:61:18: Compiling
 third_party/grpc/compiler/src/java_plugin/cpp/java_generator.cpp [for
 host] failed: (Exit 1): wrapped_clang failed: error executing command
 }}}
 {{{
 clang: error: unknown argument: '-fdebug-compilation-dir'
 }}}
 Looks like it failed to build on everything older than 10.15, which is
 pretty limiting: https://ports.macports.org/port/bazel

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Ticket URL: <https://trac.macports.org/ticket/62415>
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