See http://trac.osgeo.org/gdal/wiki/Release/2.2.1-News Remove patch-port_cpl_port_h as std::isnan() is now properly detected since http://trac.osgeo.org/gdal/changeset/38141/
See http://trac.osgeo.org/gdal/wiki/Release/2.2.1-News Remove patch-port_cpl_port_h as std::isnan() is now properly detected since http://trac.osgeo.org/gdal/changeset/38141/