[MacPorts] #53150: llvm-3.8: llvm ld: unknown option: -export_dynamic

[MacPorts]

#53150: llvm-3.8: llvm ld: unknown option: -export_dynamic
-----------------------+----------------------
  Reporter:  gbrtrac   |      Owner:  jeremyhu
      Type:  defect    |     Status:  accepted
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  llvm-3.8  |
-----------------------+----------------------

Comment (by jeremyhu):

 Reduced:

 {{{
 $ clang-mp-devel -c true.c && clang-mp-devel -rdynamic true.o -v
 clang version 4.0.0 (trunk 290074)
 Target: x86_64-apple-darwin13.4.0
 Thread model: posix
 InstalledDir: /opt/local/libexec/llvm-devel/bin
  "/opt/local/libexec/llvm-devel/bin/ld" -demangle -export_dynamic
 -lto_library /opt/local/libexec/llvm-devel/lib/libLTO.dylib -dynamic -arch
 x86_64 -macosx_version_min 10.9.0 -o a.out true.o -lSystem
 /opt/local/libexec/llvm-
 devel/bin/../lib/clang/4.0.0/lib/darwin/libclang_rt.osx.a
 ld: unknown option: -export_dynamic
 clang: error: linker command failed with exit code 1 (use -v to see
 invocation)

 $ /opt/local/libexec/llvm-devel/bin/ld -v
 @(#)PROGRAM:ld  PROJECT:ld64-136
 configured to support archs: i386 x86_64 armv7 armv7s
 LTO support using: LLVM version 4.0.0svn
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53150#comment:9>
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