Please use ${QT_IMPORTS_DIR}/bamf instead of ${CMAKE_INSTALL_LIBDIR}/qt4/imports/bamf as a value of IMPORT_INSTALL_DIR, because Arch Linux uses /usr/lib/qt/imports directory to store imports. (See my branch: lp:~ballogy/bamf-qt/fix-imports-dir-location and it's merge proposal.)
Please use ${QT_IMPORTS_ DIR}/bamf instead of ${CMAKE_ INSTALL_ LIBDIR} /qt4/imports/ bamf as a value of IMPORT_INSTALL_DIR, because Arch Linux uses /usr/lib/qt/imports directory to store imports. (See my branch: lp:~ballogy/bamf-qt/fix-imports-dir-location and it's merge proposal.)