Hi Steve, here's the flex version: $ flex -V flex 2.5.35 This is the version I got from the repos. Thanks for helping, Luís -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Error-compiling-Mapserver-6-0-3-tp4998005p4998228.html Sent from the Mapserver - User mailing list archive at Nabble.com.