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[Doug Coleman <doug.coleman@xxxxxxxxx>]

Ok, somehow ``ldconfig -v`` searches and presumably finds the mesa
driver first, but ``ldconfig -p`` lists fglrx before mesa. Thus, there
is no problem here (except my understanding of why -v and -p orders are
not consistent).

I still think it's ugly that ``libgtkglext1-dev`` depends on ``libgl1
-mesa-dev``. Is this necessary?

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https://bugs.launchpad.net/bugs/1462515

Title:
  fglrx ldconfig priority should be above mesa's

Status in fglrx-installer package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 14.10 on x64 with the latest updates.

  The Factor language dynamically loads ``libGL.so`` for its graphical
  environment. On machines with a Radeon card and the ``fglrx-updates``
  package, the preferred ``libGL.so`` path is
  ``/usr/lib/fglrx/libGL.so``.

  However, if ``libgl1-mesa-dev`` is installed, there's another
  ``libGL.so`` in ``/usr/lib/x86_64-linux-gnu/libGL.so``.

  Now, I would like to remove `libgl1-mesa-dev`, except that it is
  required for `libgtkglext1-dev` which contains the function
  `gtk_gl_init()`, which is required for the graphical environment for
  Factor.

  
  The crux of the issue is that ``/usr/lib/x86_64-linux-gnu`` has higher priority than ``/usr/lib/fglrx``, so programs that load ``libGL.so`` find the mesa version first:

  ```
  erg@erglinux:~$ ldconfig -v | grep "^/"
  /sbin/ldconfig.real: Path `/lib/x86_64-linux-gnu' given more than once
  /sbin/ldconfig.real: Path `/usr/lib/x86_64-linux-gnu' given more than once
  /sbin/ldconfig.real: /lib/x86_64-linux-gnu/ld-2.19.so is the dynamic linker, ignoring

  /usr/lib/x86_64-linux-gnu/libfakeroot:
  /usr/local/lib:
  /lib/x86_64-linux-gnu:
  /usr/lib/x86_64-linux-gnu:
  /sbin/ldconfig.real: /lib32/ld-2.19.so is the dynamic linker, ignoring

  /usr/lib/x86_64-linux-gnu/mesa-egl:
  /usr/lib/fglrx:
  /usr/lib32/fglrx:
  /usr/lib/x86_64-linux-gnu/mir/client8driver/mesa:
  /lib32:
  /usr/lib32:
  /lib:
  /usr/lib:
  ```

  
  Would there be anything wrong with moving the ``/usr/lib/fglrx`` entries above ``/lib/x86_64-linux-gnu:``?

  This appears to be an issue with nvidia's binary drivers as well,
  since ``/usr/lib/nvidia`` gets searched after ``/usr/x86_64-linux-
  gnu``.

  Finally, if ``libgl1-mesa-dev`` wasn't required for
  ``libgtkglext1-dev``, that would also solve my problem because I
  wouldn't have the mesa drivers installed at all.

  Thanks,
  Doug

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