libgl1-mesa-swrast-dev 6.4.1-0ubuntu2 (powerpc binary) in ubuntu dapper

A free implementation of the OpenGL API -- development support files
 This package provides the development environment required for
 compiling programs with Mesa. For a complete description of Mesa,
 please look at the libgl1-mesa package.
 .
 This library provides a pure software rasteriser; it does not provide
 a direct rendering-capable library, or one which uses GLX. For that,
 please see libgl1-mesa-dev.