This is a development fork of the gftools library. The repository at http://gftools.sourceforge.net/ is no longer maintained by the author. Installation: make install PREFIX=<install-directory> Gftools requires the Plink software package. See http://pngu.mgh.harvard.edu/~purcell/plink/ Gftools is required for The Wellcome Trust Sanger Institute (WTSI) genotyping pipeline, including the standalone gender check. See https://github.com/wtsi-npg/genotyping The version of the Illuminus genotype caller used at WTSI depends on gftools. See https://github.com/keithj/Illuminus