Gentoo's Bugzilla –
Attachment 642832 Details for
Bug 726402dev-util/kernelshark-1.0 : ld: src/CMakeFiles/kshark-gui.dir/moc_KsGLWidget.cpp.o:(.bss+0x0): multiple definition of `stringWidth'; src/CMakeFiles/kshark-gui.dir/moc_KsUtils.cpp.o:(.bss+0x0): first defined here