[MacPorts] #37792: vtk5 at 5.10.1 Build error - failure

[MacPorts]

#37792: vtk5 at 5.10.1 Build error - failure
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  Reporter:  dialkforkaushik@…  |      Owner:  adfernandes@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.1.2
Resolution:                     |   Keywords:
      Port:  vtk5               |
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Comment (by adfernandes@…):

 Huh... the problem is that Snow Leopard isn't ''really'' supported by
 anyone, even the people who say that they support it. In reality, the
 number of people using it is so small that those builds rarely get a lot
 of testing, so you see a lot of breakage. So very often projects say "we
 support Snow Leopard", but what they mean is "we think that we build
 properly on it, or at least we don't do anything that should break it, but
 we never really tested it..."  Sorry.

 And yes, very astute observation regrading the vtk-5.10.1 on 12/10/2012
 not being the same as the vtk-5.10.1 installed today. The problem was that
 VTK did a "stealth update", meaning that they replaced the tar.gz archive
 with a new one, but kept the filename and version '''exactly''' the same.

 I do not know what changed. It might be that nothing changed and the files
 are identical (since gzip embeds the date of compression, the underlying
 tar archive might have identical files, but the checksums of the old and
 new archives don't match). Or, maybe they did a "hotfix" to patch an
 "oopsie" that broke 10.6 compatibility.

 Unfortunately, I don't know how to retrieve prior archives; they
 ''should'' still be available on the macports mirrors (see the
 `dist_subdir` key in [https://trac.macports.org/wiki/PortfileRecipes
 #stealth-updates the guide], but I've never done this.

 Also, unfortunately, I cannot reproduce, and the cmake logs do not give a
 lot of help in telling us what the exact problem is. Again... sorry.

-- 
Ticket URL: <https://trac.macports.org/ticket/37792#comment:7>
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