[MacPorts] #41614: gmp: always build from source? (Fix SIGILL on Core2Du)

[MacPorts]

#41614: gmp: always build from source? (Fix SIGILL on Core2Du)
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  Reporter:  kurtjaeke@…  |      Owner:  mcalhoun@…
      Type:  defect       |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.2.1
Resolution:  fixed        |   Keywords:
      Port:  gmp          |
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Comment (by mcalhoun@…):

 Replying to [comment:8 ionic@…]:
 > Replying to [comment:7 jmr@…]:
 > > users who really need the performance.
 >
 > Yeah, because it really makes any difference... and we're not even using
 `-march=native`...
 gmp goes to a great deal of trouble to compile itself for a very specific
 processor (using -mtune, -march, and quite a bit of assembly).[[BR]]
 I am not sure how good an idea it is to try to work around that.

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Ticket URL: <https://trac.macports.org/ticket/41614#comment:9>
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