Hi, "Hal V. Engel" <hvengel@xxxxxxxxxxx> writes: > There were no apparent problems during the build process and I tested > GIMP as each new library was installed. Everything worked until I > installed GTK then GIMP, Firefox, GKrellM and other GTK dependant apps > started failing with a libgtk-x11-2.0.so: undefined reference to > 'gdk_threads_unlock' error. As soon as I backed out GTK to the > version from the distro these apps started working again. By the way > this is the same error message I got when I installed gtk 2.4 from the > ULB SuSE RPMs. The version of GTK+ you compiled seems to have been built without support for threads. You will want to recompile it and make sure that thread support is correctly enabled. Sven