[MacPorts] #42291: llvm-3.4: error: invalid version number in '-mmacosx-version-min='

[MacPorts]

#42291: llvm-3.4: error: invalid version number in '-mmacosx-version-min='
-------------------------------+------------------------
  Reporter:  david.w.watson@…  |      Owner:  jeremyhu@…
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.2.1
Resolution:                    |   Keywords:
      Port:  llvm-3.4          |
-------------------------------+------------------------

Comment (by ryandesign@…):

 Ah yes. The log shows:

 {{{
 :info:configure checking for sed... /opt/macports/bin/sed
 }}}

 What is this? I assume this is GNU sed, but MacPorts gsed port
 deliberately installs the binary as gsed, not sed; did you manually create
 a sed symlink to gsed? If so, that's a problem, and would explain the
 first error shown in the log:

 {{{
 :info:build sed: invalid option -- E
 }}}

 `-E` is an option that only works with BSD sed (which is what OS X ships
 with; GNU sed would require the `-r` option instead).

-- 
Ticket URL: <https://trac.macports.org/ticket/42291#comment:4>
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