[MacPorts] #73180: Retry macOS 26 builds on buildbot with Xcode 26 Metal toolchain fix in place

[MacPorts]

#73180: Retry macOS 26 builds on buildbot with Xcode 26 Metal toolchain fix in
place
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  Reporter:  markmentovai                        |      Owner:  ryandesign
      Type:  request                             |     Status:  reopened
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  qt6-qtwebengine, openjdk17,         |
  openjdk21, openjdk25                           |
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Comment (by markmentovai):

 Per comment:11, `SDKROOT` is also relevant to `xcrun metal --version`’s
 behavior. Nils, did you patch the openjdk ports to not use
 [https://github.com/openjdk/jdk/blob/ff81bd72a6c3da35df49e4b6f4a9883790aeb6f9/make/autoconf/toolchain.m4#L688-L706
 xcrun -sdk macosx metal] as we discussed at [https://github.com/macports
 /macports-ports/pull/32889#discussion_r3328779885 pull 32889]?

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Ticket URL: <https://trac.macports.org/ticket/73180#comment:56>
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