diff -urp mathgl-2.3.5.1/CMakeLists.txt mathgl-2.3.5.1-nooctave/CMakeLists.txt
--- mathgl-2.3.5.1/CMakeLists.txt	2016-12-29 17:45:25.155442474 +0700
+++ mathgl-2.3.5.1-nooctave/CMakeLists.txt	2017-01-09 15:44:30.045888852 +0700
@@ -183,7 +183,8 @@ endif(enable-qt4 OR enable-qt5)
 CMAKE_DEPENDENT_OPTION(enable-json-sample "Enable JSON sample" ON "QT_ENABLED" OFF)
 MGL_DEPENDENT_OPTION(enable-python "Enable python interface" OFF "NOT enable-lgpl" ON "NOT enable-all-swig" ON)
 MGL_DEPENDENT_OPTION(enable-lua "Enable Lua (v.5.1) interface" OFF "NOT enable-lgpl" ON "NOT enable-all-swig" ON)
-MGL_DEPENDENT_OPTION(enable-octave "Enable octave interface" OFF "NOT enable-lgpl" ON "NOT enable-all-swig" ON)
+#MGL_DEPENDENT_OPTION(enable-octave "Enable octave interface" OFF "NOT enable-lgpl" ON "NOT enable-all-swig" ON)
+SET(enable-octave OFF)
 MGL_DEPENDENT_OPTION(enable-octave-install "Octave interface will install for all users" ON "NOT enable-lgpl" ON "NOT enable-all-swig" ON)
 
 include_directories( ${MathGL_SOURCE_DIR}/include ${MathGL_BINARY_DIR}/include)