This is a stripped down version of fluidsynth (library only)

from git://git.code.sf.net/p/fluidsynth/code-git
revisition f52597be038a5a045fc74b6f96d5f9b0bbbbc044 from May/2015
imported into Ardour Aug/2016

fluidsynth is licensed in terms of the  LGPL-2+, see individual source
files for (C) holders.