diff -urp mathgl-2.3.5.1/CMakeLists.txt mathgl-2.3.5.1-no_qt4/CMakeLists.txt
--- mathgl-2.3.5.1/CMakeLists.txt	2016-06-19 23:06:40.000000000 +0600
+++ mathgl-2.3.5.1-no_qt4/CMakeLists.txt	2016-12-29 17:04:31.366201051 +0700
@@ -150,8 +150,10 @@ CMAKE_DEPENDENT_OPTION(enable-gif "Enabl
 CMAKE_DEPENDENT_OPTION(enable-glut "Enable glut support" OFF "NOT enable-all-widgets" ON)
 CMAKE_DEPENDENT_OPTION(enable-fltk "Enable fltk widget" OFF "NOT enable-all-widgets" ON)
 CMAKE_DEPENDENT_OPTION(enable-wx "Enable wxWidget widget" OFF "NOT enable-all-widgets" ON)
-CMAKE_DEPENDENT_OPTION(enable-qt4 "Enable Qt4 widget" OFF "NOT enable-all-widgets" ON)
-CMAKE_DEPENDENT_OPTION(enable-qt4asqt "Set Qt4 as default libmgl-qt" OFF "enable-qt4" OFF)
+#CMAKE_DEPENDENT_OPTION(enable-qt4 "Enable Qt4 widget" OFF "NOT enable-all-widgets" ON)
+#CMAKE_DEPENDENT_OPTION(enable-qt4asqt "Set Qt4 as default libmgl-qt" OFF "enable-qt4" OFF)
+SET(enable-qt4 OFF)
+SET(enable-qt4asqt OFF)
 CMAKE_DEPENDENT_OPTION(enable-qt5 "Enable Qt5 widget" OFF "NOT enable-all-widgets" ON)
 CMAKE_DEPENDENT_OPTION(enable-qt5asqt "Set Qt5 as default libmgl-qt" OFF "enable-qt5" OFF)