[MacPorts] #64532: graphite2 fails to build for ppc on 10.6.8 (Rosetta): unrecognized command line option '-mfpmath=sse'

[MacPorts]

#64532: graphite2 fails to build for ppc on 10.6.8 (Rosetta): unrecognized command
line option '-mfpmath=sse'
---------------------------+-------------------------------------------
  Reporter:  barracuda156  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:  powerpc, snowleopard, rosetta
      Port:  graphite2     |
---------------------------+-------------------------------------------

Comment (by kencu):

 Replying to [comment:10 barracuda156]:

 > Building universal might become more popular now with Apple M, so we may
 hope more developers gonna keep such possibility in mind.

 I have built hundreds and hundreds, maybe thousands, of ports universal
 for M1 and Intel, including using cmake. I was on a terror at the
 beginning and just went wild fixing them to build universal.

 Most of those just use multiple arch flags and so it was fairly trivial.
 But some of them use dmuniversal I think, and somehow they worked. Just
 have to go back and look at details of how.

 It was not with a toolchain file. Probably (I vaguely recall) we just
 patched and reinplaced the desired processor into the CMakeLists.txt.

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Ticket URL: <https://trac.macports.org/ticket/64532#comment:12>
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