Ask Ubuntu Asked by Paulo Lopes on October 31, 2021
I am trying to compile some OpenGL apps from source, but there is no /usr/lib/libGL.so, or /usr/lib/libGL.so.1 or even /usr/lib/libGL.so.1.2, however fglrxinfo says:
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI Mobility Radeon HD 4500 Series
OpenGL version string: 3.3.10237 Compatibility Profile Context
Which is what I expect and the gears demo also works.
How do I get those files? I tried the MESA files and then I got software rendering which is not what I wanted.
The libgl1-dev package is a meta-package that contains the required lib and can be replaced with software implementations libgl1-mesa-swx11 or dri accelerated version libgl1-mesa-dri.
Answered by Paulo Lopes on October 31, 2021
The fglrx package contains /usr/lib/fglrx/libGL.so
To see which libs glxgears (or any other program) is using use
ldd "$(which glxgears)"
Answered by Florian Diesch on October 31, 2021
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