slackbuilds_ponce/libraries/squish

The squish library (abbreviated to libsquish) is an open source DXT
compression library written in C++ with the following features:
* Supports the DXT1, DXT3 and DXT5 formats.
* Optimised for both SSE and Altivec SIMD instruction sets.
* Builds on multiple platforms (x86 and PPC tested).
* Very simple interface.