G'MIC has been made available as an easy-to-use plug-in for GIMP. It extends this retouching software capabilities by offering a large number of pre-defined image filters and effects. Of course, the plug-in is highly customizable and it is possible to add your own custom G'MIC-written filters in it.
After much investigation, this relies on files from a secondary source that is not properly tagged for us to pull from git. Without a complete source set it cannot be built. I will help someone build it if they really need to, but for now I'm closing this.
I am suggesting that this project is re-investigated. Gimp is a very useful tool but is an awesome tool with GMIC. Can the fftw dependencies not even be made available so the plugin works. I would have thought this is easy on Windows, it is wrong that it's harder on Linux. Solus needs software to work for broader adoption because it is excellent in other respects.