[MacPorts] #65662: ilmbase, openexr need update (MP v. 2.3.0, current v. 3.1.7)

[MacPorts]

#65662: ilmbase, openexr need update (MP v. 2.3.0, current v. 3.1.7)
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  Reporter:  barracuda156      |      Owner:  mascguy
      Type:  update            |     Status:  assigned
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.7.2
Resolution:                    |   Keywords:
      Port:  openexr, ilmbase  |
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Comment (by mascguy):

 Replying to [comment:12 JGoldstone]:
 > I think everyone who is responsible for the modern build process of
 Imath and OpenEXR is a regular attendee (the other key person is Kimball
 Thurston of Wētā, who oversaw the transition from autotools to cmake, and
 he's usually present as well. If you don't make the meeting tomorrow, the
 next one is in two weeks. We'd love to hear from you in person what it's
 like to teach a macOS package manager how to build OpenEXR [and soon Imath
 I hope].

 Sounds great! It may take a few days before I'm able to add a port for
 Imath, and test with OpenInageIO. So I'll try to find time to work on all
 of this over the next week, and report back in time for the meeting in two
 weeks. More to follow!

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Ticket URL: <https://trac.macports.org/ticket/65662#comment:13>
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