[MacPorts] #50847: Update llvm-38 to release tarball, remove subversion dependency

[MacPorts]

#50847: Update llvm-38 to release tarball, remove subversion dependency
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  Reporter:  sierkb@…  |      Owner:  jeremyhu@…
      Type:  update    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.4
Resolution:            |   Keywords:
      Port:  llvm-38   |
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Comment (by sierkb@…):

 Replying to [comment:2 jeremyhu@…]:
 > Note that the revision we currently have is newer than the 3.8.0 tags,
 so we’ll need to grab some patches off the branch.

 Just do it. :) The already existing patch file list and the bunch of
 existing patches in the ports files section do exist anyway, a maybe
 handful additional patches (or how many additional patches would that be)
 won't hurt. :)

 >or just wait until 3.8.1 to do this.

 That could take long. When estimated? 3.8.0 just is released, so it could
 take a while, until 3.8.1 will be released.

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Ticket URL: <https://trac.macports.org/ticket/50847#comment:3>
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