[MacPorts] #51571: glfw @3.2_0 fails building on 10.6.8

[MacPorts]

#51571: glfw @3.2_0 fails building on 10.6.8
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  Reporter:  braumann@…  |      Owner:  michaelld@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  snowleopard leopard tiger
      Port:  glfw        |
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Comment (by braumann@…):

 Replying to [comment:1 michaelld@…]:
 > Upstream removed support for Mac OS X 10.6 as of October 24, 2015,
 commit 5fd9709a.

 Well, what I see upstream under
 [https://github.com/altseed/glfw/commit/5fd9709a8b242e2cee503d9316efd2a86cf72d09]
 is that in a file nsgl_context.m an error message for MacOSX versions less
 than 10.7 has been removed, which was checking if OpenGL above version 2
 was requested. Anyway, to me it seems as during glfw building an OpenGL
 version above 2 is being assumed, so that neither NSOpenGLPFAOpenGLProfile
 nor NSOpenGLProfileVersion3_2Core are being declared. What I wonder is if
 glfw can be built just for OpenGL version less than 3? Or is this question
 too naive?

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Ticket URL: <https://trac.macports.org/ticket/51571#comment:3>
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