[MacPorts] #51642: gcc49 @4.9.3: does not honor -march=native

[MacPorts]

#51642: gcc49 @4.9.3: does not honor -march=native
-------------------------+-------------------
  Reporter:  noloader@…  |      Owner:  mww@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:  gcc49       |
-------------------------+-------------------

Comment (by vince@…):

 Replying to [comment:8 vince@…]:
 > I am sorry to butt in, but this sounds to me like the old 'as' story.
 > GCC 4 use Apple-supplied /usr/bin/as (or /opt/local/bin/as for that
 matter):
 >
 > {{{
 > as -v
 > Apple Inc version cctools-877.8, GNU assembler version 1.38
 > }}}
 > Which is so ancient it does not know about SSE 4 or AVX.
 >
 > Clang has its own modern assembler, and can (maybe?) be used as a
 backend for GCC

-- 
Ticket URL: <https://trac.macports.org/ticket/51642#comment:9>
MacPorts <https://www.macports.org/>
Ports system for OS X