--- examples/Makefile.opengl.orig	2016-01-19 09:41:55 UTC
+++ examples/Makefile.opengl
@@ -11,8 +11,8 @@ else
 ifeq (${shell uname -o}, Msys)
 LDFLAGS 	+= -mwindows -lopengl32 -lfreeglut
 else
-CPPFLAGS	+= ${shell pkg-config --cflags glu glut} -DFREEBSD=1
-LDFLAGS 	+= ${shell pkg-config --libs glu glut}
+CPPFLAGS	+= ${shell pkg-config --cflags glu} -DFREEBSD=1
+LDFLAGS 	+= ${shell pkg-config --libs glu} -lglut
 endif
 endif
 endif