From the ebuild: > -DQT_MOC_EXECUTABLE="${EPREFIX}/usr/bin/moc" > -DQT_UIC_EXECUTABLE="${EPREFIX}/usr/bin/uic" > -DQT_QMAKE_EXECUTABLE="${EPREFIX}/usr/bin/qmake" As of qt-4.8.6, these are now symlinks to qtchooser and will cause build to fail if the user has selected qt5 as their default. Please use qt4_get_bindir from qmake-utils.eclass instead of hardcoding ${EPREFIX}/usr/bin,
+ 11 Mar 2015; Justin Lecher <jlec@gentoo.org> vtk-6.0.0.ebuild, + vtk-6.1.0-r1.ebuild, vtk-6.1.0.ebuild: + Use qmake-utils.eclass to determine qt tools, #542832 +