hans this heavy compression will only work for text and cmix is only optimized for enwiki 8 and enwiki9 at least that i am aware of
you will need a linux cross compile cygwin to compile this
Also edit )
cmix is pure CM algorithm, nanozip and zpaq have implemented cm algorithms inside them
125 megabytes of data need 8 hours to compress on cmix
Lecturing on Compression algos
lzo=fast speed low ratio
lz77=medium speed medium ratio
bwt= low speed high ratio
cm= very low speed, uber ratio
CMIX for linux only
i compiled it on my arch system using GCC 5.2a