[MacPorts] #66662: gklib fails on Rosetta due to unsupported -march=native flag

[MacPorts]

#66662: gklib fails on Rosetta due to unsupported -march=native flag
-------------------------------------------+----------------------
 Reporter:  barracuda156                   |      Owner:  catap
     Type:  defect                         |     Status:  assigned
 Priority:  Normal                         |  Milestone:
Component:  ports                          |    Version:  2.8.0
 Keywords:  powerpc, rosetta, snowleopard  |       Port:  gklib
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 {{{
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 make[2]: *** [CMakeFiles/GKlib.dir/b64.c.o] Error 1
 make[2]: *** Waiting for unfinished jobs....
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 make[2]: *** [CMakeFiles/GKlib.dir/error.c.o] Error 1
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 make[2]: *** [CMakeFiles/GKlib.dir/csr.c.o] Error 1
 gcc-mp-12: error: unrecognized command-line option '-march=native'; did
 you mean '-mcpu=native'?
 make[2]: *** [CMakeFiles/GKlib.dir/cache.c.o] Error 1
 make[2]: *** [CMakeFiles/GKlib.dir/blas.c.o] Error 1
 make[2]: *** [CMakeFiles/GKlib.dir/fkvkselect.c.o] Error 1
 make[2]: *** [CMakeFiles/GKlib.dir/evaluate.c.o] Error 1
 make[2]: *** [CMakeFiles/GKlib.dir/fs.c.o] Error 1
 }}}

 On any PPC `-mtune=native` should be used instead.

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Ticket URL: <https://trac.macports.org/ticket/66662>
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