slackbuilds/haskell/haskell-OpenGLRaw/README

OpenGLRaw is a raw Haskell binding for the OpenGL 3.2 graphics
system and lots of OpenGL extensions.  It is basically a 1:1 mapping
of OpenGL's C API, intended as a basis for a nicer interface.
OpenGLRaw offers access to all necessary functions, tokens and types
plus a general facility for loading extension entries.  The module
hierarchy closely mirrors the naming structure of the OpenGL
extensions, making it easy to find the right module to import.  All
API entries are loaded dynamically.  If an API entry is not found at
runtime, a userError is thrown.

After uninstalling, run this command to unregister the package from
the ghc package database:   ghc-pkg recache