[MacPorts] #71549: qt6-qtmultimedia @6.8.1_0 fails to build on macOS 13 and older

[MacPorts]

#71549: qt6-qtmultimedia @6.8.1_0 fails to build on macOS 13 and older
-------------------------------+---------------------------------
  Reporter:  mopihopi          |      Owner:  MarcusCalhoun-Lopez
      Type:  defect            |     Status:  reopened
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:
      Port:  qt6-qtmultimedia  |
-------------------------------+---------------------------------

Comment (by mouse07410):

 I'd appreciate a more detailed guidance, please. Here's what my
 installation currently has:
 {{{
 $ uname -a
 Darwin MacBook-Air.local 20.6.0 Darwin Kernel Version 20.6.0: Thu Jul  6
 22:12:47 PDT 2023; root:xnu-7195.141.49.702.12~1/RELEASE_X86_64 x86_64
 $ xcode-select --version
 xcode-select version 2384.
 $ clang -v
 clang version 19.1.6
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /opt/local/libexec/llvm-19/bin
 $ port select clang
 Available versions for clang:
         apple-clang
         mp-clang-16
         mp-clang-17
         mp-clang-18
         mp-clang-19 (active)
         none
 $ port installed qt6-*
 The following ports are currently installed:
   qt6-qtbase @6.8.1_1+openssl (active)
   qt6-qtdeclarative @6.8.1_0 (active)
   qt6-qtimageformats @6.8.1_0 (active)
   qt6-qtlanguageserver @6.8.1_0 (active)
   qt6-qtmultimedia @6.4.3_1 (active)
   qt6-qtquick3d @6.8.1_0 (active)
   qt6-qtshadertools @6.8.1_0 (active)
   qt6-qtsvg @6.8.1_0 (active)
 $ port outdated
 The following installed ports are outdated:
 mkvtoolnix                     87.0_0 < 88.0_0
 qt6-qtmultimedia               6.4.3_1 < 6.8.1_0
 $
 }}}

 What ports exactly should I uninstall, and what command(s) should I use to
 re-install the correct version of those ports?  Thank you!

-- 
Ticket URL: <https://trac.macports.org/ticket/71549#comment:6>
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