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Date: Sun, 20 Oct 2019 23:00:24 -0700 (PDT)
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Subject: Mac Link Undefined Symbols glDispatchCompute,
 glBindImageTexture and glMemoryBarrier
From: Roger <rogermcm2@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:57325
Date: 2019-10-20T23:00:24-07:00
List-Id: <comp.lang.ada>

I am trying to implement the OpenGL Redbook particle simulator example in Ada using OpenGLAda.
glDispatchCompute, glBindImageTexture and glMemoryBarrier are not currently available in OpenGLAda so I am attempting to update OpenGLAda to include them.
Previously I have updated OpenGLAda with numerous OpenGL functions.
However, when I attempt to implement  glDispatchCompute, glBindImageTexture and glMemoryBarrier, linking any of my OpenGLAda examples fails with:
Undefined symbols for architecture x86_64:
  "_glBindImageTexture", referenced from:
      _gl__objects__textures__bind_image in libOpenGLAda.a(gl-objects-textures.o)
  "_glDispatchCompute", referenced from:
      _gl__objects__programs__dispatch_compute in libOpenGLAda.a(gl-objects-programs.o)
  "_glMemoryBarrier", referenced from:
      _gl__objects__programs__memory_barrier in libOpenGLAda.a(gl-objects-programs.o)

Any suggestions as to why these undefined symbols occur will be greatly appreciated.
Thanks in advance,
Roger