--- octavesrc/m4/acinclude.m4 2017-03-22 18:50:30.252858099 -0600 +++ octavefrk/m4/acinclude.m4 2017-03-18 19:13:55.130222970 -0600 @@ -1328,7 +1328,7 @@ octave_qscintilla_libnames=qscintilla2 ;; 5) - octave_qscintilla_libnames="qscintilla2-qt5 qt5scintilla2" + octave_qscintilla_libnames="qscintilla2-qt5 qscintilla2_qt5 qt5scintilla2" ;; *) AC_MSG_ERROR([Unrecognized Qt version $qt_version])