See http://bugzilla.lyx.org/show_bug.cgi?id=3921
José, OK? Jürgen
Index: INSTALL =================================================================== --- INSTALL (Revision 19069) +++ INSTALL (Arbeitskopie) @@ -7,12 +7,12 @@ These four steps will compile, test and install LyX: 0) Linux users beware: if compiling the Qt frontend, you need - qt and qt-devel packages of the same version to compile LyX. + qt4 and qt4-devel packages of the same version to compile LyX. 1) ./configure configures LyX according to your system. When compiling for Qt, you may have to set - --with-qt-dir=<path-to-your-qt-installation> + --with-qt4-dir=<path-to-your-qt4-installation> if the environment variable QTDIR is not set. 2) make