diff -urp mathgl-2.4.1/mgllab/CMakeLists.txt mathgl-2.4.1-no_udaveupdatedb/mgllab/CMakeLists.txt
--- mathgl-2.4.1/mgllab/CMakeLists.txt	2017-12-05 12:02:01.765791309 +0700
+++ mathgl-2.4.1-no_udaveupdatedb/mgllab/CMakeLists.txt	2017-12-06 08:58:18.269129131 +0700
@@ -51,7 +51,7 @@ if(MGL_HAVE_FLTK)
 	find_program(findupmdb update-mime-database)
 	if(findupmdb)
 		install(FILES ${CMAKE_BINARY_DIR}/mgllab/mgl.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/mime/packages/)
-		install(CODE "execute_process(COMMAND \"${findupmdb}\" \"${CMAKE_INSTALL_PREFIX}/share/mime\")")
+#		install(CODE "execute_process(COMMAND \"${findupmdb}\" \"${CMAKE_INSTALL_PREFIX}/share/mime\")")
 	endif(findupmdb)
 
 	mgl_po_src(${mgllab_src} ${mgllab_hdr})
diff -urp mathgl-2.4.1/udav/CMakeLists.txt mathgl-2.4.1-no_udaveupdatedb/udav/CMakeLists.txt
--- mathgl-2.4.1/udav/CMakeLists.txt	2017-12-05 12:02:01.762791373 +0700
+++ mathgl-2.4.1-no_udaveupdatedb/udav/CMakeLists.txt	2017-12-05 17:58:07.349289539 +0700
@@ -49,11 +49,11 @@ install(FILES udav_ru.qm DESTINATION ${C
 find_program(findupddb update-desktop-database)
 if(findupddb)
 	install(FILES udav.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications/)
-	install(CODE "execute_process(COMMAND \"${findupddb}\" \"${CMAKE_INSTALL_PREFIX}/share/applications\")")
+#	install(CODE "execute_process(COMMAND \"${findupddb}\" \"${CMAKE_INSTALL_PREFIX}/share/applications\")")
 endif(findupddb)
 find_program(findupmdb update-mime-database)
 if(findupmdb)
 	install(FILES ${CMAKE_BINARY_DIR}/udav/mgl.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/mime/packages/)
-	install(CODE "execute_process(COMMAND \"${findupmdb}\" \"${CMAKE_INSTALL_PREFIX}/share/mime\")")
+#	install(CODE "execute_process(COMMAND \"${findupmdb}\" \"${CMAKE_INSTALL_PREFIX}/share/mime\")")
 endif(findupmdb)
 endif(QT_ENABLED)