[MacPorts] #70951: Linker ld warning -ld_classic is deprecated when compiling with gcc14

[MacPorts]

#70951: Linker ld warning -ld_classic is deprecated when compiling with gcc14
-----------------------+---------------------
  Reporter:  haberg-1  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  sequoia
      Port:  gcc14     |
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Comment (by markmentovai):

 This was forked from #70866. Here’s the relevant portion of what I said at
 ticket:70866#comment:34:

 > This warning doesn’t come from gcc. It comes from Apple’s ld, as of
 Xcode 16 (and the corresponding Command Line Tools version). MacPorts gcc
 requests this linker: [https://github.com/macports/macports-
 ports/blob/f3a3d36e576fcbf2a9ee970cf497741d349b0a16/lang/gcc14/Portfile#L229
 lang/gcc14/Portfile]. (`${prefix}/bin/ld-classic`
 [https://github.com/macports/macports-
 ports/blob/32bc043e582c33a4636fee958774739e7cb90e5b/devel/ld64/files/ld-
 classic-xcode is this wrapper] that finds and runs `ld -ld_classic`.)
 >
 > It’s possible that MacPorts gcc no longer needs the `ld-classic`
 workaround as long as [https://github.com/gcc-
 mirror/gcc/commit/0fe7962afc7c01488432b98b6f442b24946a490d gcc
 0fe7962afc7c] is in effect. That change has been cherry-picked as far back
 as [https://github.com/gcc-
 mirror/gcc/commit/9488ad0d780fae91afa910410cb4e6da8d607fd9 gcc-11].

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Ticket URL: <https://trac.macports.org/ticket/70951#comment:2>
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