Many headers included KLocale to use i18n and co. But those methods are defined in KLocalizedString and not in KLocale. With KF5 klocale.h does no longer include KLocalizedString causing lots of compile errors.
Thanks to Andrea Scarpino for providing the patch. REVIEW: 106413
BUG: 219755 svn path=/trunk/KDE/kdebase/workspace/; revision=1195300