[MacPorts] #65671: jemalloc @5.3.0_2: universal build fails for Monterey M1 arm64 when building x86_64 slice

[MacPorts]

#65671: jemalloc @5.3.0_2: universal build fails for Monterey M1 arm64 when
building x86_64 slice
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  Reporter:  potterpg  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.2
Resolution:            |   Keywords:  monterey
      Port:  jemalloc  |
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Comment (by kencu):

 look at the libvpx portfile I referenced above, and the muniversal
 Portgroup

 you will need to manipulate

 merger_configure_args(${my_arch})

 to add the needed argument to the arm build.

 or use the patch here instead if you prefer that, which also should work

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Ticket URL: <https://trac.macports.org/ticket/65671#comment:16>
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