diff -up mathgl-8.0.1/lang/CMakeLists.txt.nooctaveinstall mathgl-8.0.1/lang/CMakeLists.txt
--- mathgl-8.0.1/lang/CMakeLists.txt.nooctaveinstall	2022-10-05 20:51:43.595636043 -0600
+++ mathgl-8.0.1/lang/CMakeLists.txt	2022-10-05 20:52:22.411935656 -0600
@@ -138,11 +138,6 @@ message(STATUS "${oct_prog} ${oct_host}
 	add_custom_target(mgl_octave_module ALL DEPENDS mathgl.tar.gz)
 
 	install(FILES ${CMAKE_BINARY_DIR}/lang/mathgl.tar.gz DESTINATION ${MGL_DATA_PATH})
-	if(enable-octave-install)
-		install(CODE "execute_process(
-			COMMAND ${oct_exec} -q --eval \"pkg install mathgl.tar.gz\"
-			WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/lang )")
-	endif(enable-octave-install)
 	set(mgl_clean_files ${mgl_clean_files} mathgl)
 endif(enable-octave)
 set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${mgl_clean_files}")