This package fails to build in mock if the minimal build group is reduced to only the packages listed in the Exceptions section of the packaging guidelines. build.log @ http://linux.dell.com/files/fedora/FixBuildRequires/mock-results-extras/i386/xfce4-panel-4.2.3-3.fc5.src.rpm/result/build.log BR intltool should fix this.
Added gettext to BuildRequires. intltool isn't needed. Added and built on fc4, fc5, devel.