[herrold@nfs pidgin]$ rpmbuild --rebuild pidgin-2.0.2-3.el5.src.rpm
Installing pidgin-2.0.2-3.el5.src.rpm
warning: user mockbuild does not exist - using root
warning: group mockbuild does not exist - using root
warning: user mockbuild does not exist - using root
warning: group mockbuild does not exist - using root
warning: user mockbuild does not exist - using root
warning: group mockbuild does not exist - using root
warning: user mockbuild does not exist - using root
warning: group mockbuild does not exist - using root
error: Failed build dependencies:
        startup-notification-devel is needed by pidgin-2.0.2-3.i386
        cyrus-sasl-devel is needed by pidgin-2.0.2-3.i386
        mozilla-nss-devel is needed by pidgin-2.0.2-3.i386
        gtk2-devel is needed by pidgin-2.0.2-3.i386
        intltool is needed by pidgin-2.0.2-3.i386
        tcl-devel is needed by pidgin-2.0.2-3.i386
        tk-devel is needed by pidgin-2.0.2-3.i386
        libxml2-devel is needed by pidgin-2.0.2-3.i386
        gtkspell-devel is needed by pidgin-2.0.2-3.i386
        aspell-devel is needed by pidgin-2.0.2-3.i386
        evolution-data-server-devel is needed by pidgin-2.0.2-3.i386
        libsilc-devel is needed by pidgin-2.0.2-3.i386
        dbus-devel >= 0.60 is needed by pidgin-2.0.2-3.i386
        python >= 2.4 is needed by pidgin-2.0.2-3.i386
        gstreamer-devel >= 0.10 is needed by pidgin-2.0.2-3.i386
        NetworkManager-glib-devel is needed by pidgin-2.0.2-3.i386
        libSM-devel is needed by pidgin-2.0.2-3.i386
        libXScrnSaver-devel is needed by pidgin-2.0.2-3.i386
        dbus-glib-devel >= 0.70 is needed by pidgin-2.0.2-3.i386
        avahi-compat-howl-devel is needed by pidgin-2.0.2-3.i386
        meanwhile-devel is needed by pidgin-2.0.2-3.i386
[herrold@nfs pidgin]$