[MacPorts] #53600: clang-4.0 @4.0-r292772_1: cannot build executables on OS X 10.10.5

[MacPorts]

#53600: clang-4.0 @4.0-r292772_1: cannot build executables on OS X 10.10.5
----------------------+-----------------------
 Reporter:  mopihopi  |      Owner:
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  clang-4.0
----------------------+-----------------------
 On OS X 10.10.5, clang-4.0 @4.0-r292772_1 installs successfully but
 executables fail to build.

 {{{
 $ cat test.c
 int main() { return 0; }
 $ clang-mp-4.0 test.c
 ld: unknown option: -no_deduplicate
 clang: error: linker command failed with exit code 1 (use -v to see
 invocation)
 $
 }}}

 XCode 7.2.1, ld64-latest @274.1_1+llvmdev

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Ticket URL: <https://trac.macports.org/ticket/53600>
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