--- CMakeLists.txt.initial	2014-10-09 17:52:44.289738669 +0700
+++ CMakeLists.txt	2014-10-09 17:52:59.011544253 +0700
@@ -381,6 +381,7 @@ endif(enable-glut)
 
 if(enable-fltk)
 	set(MGL_HAVE_FLTK 1)
+	set(FLTK_SKIP_FLUID 1)
 	include(FindFLTK)
 	if(NOT FLTK_FOUND)
 		message(SEND_ERROR "Couldn't find FLTK library.")