Odd indeed, I've been able to build several cmake-based apps in epel, taglib, for example: http://buildsys.fedoraproject.org/logs/fedora-5-epel/354-taglib-1.5-2.el5/i386/build.log compare/contrast: http://buildsys.rpmfusion.org/logs/el-5-rpmfusion_free/2619-qmmp-plugins-freeworld-0.2.3-3.el5/i386/build.log Offhand, I'm stimied.