-GL_LIB_GLOB = libGL.*dylib
-GLU_LIB_GLOB = libGLU.*dylib
-GLUT_LIB_GLOB = libglut.*dylib
-GLW_LIB_GLOB = libGLw.*dylib
-OSMESA_LIB_GLOB = libOSMesa.*dylib
+GL_LIB_GLOB = lib$(GL_LIB).*dylib
+GLU_LIB_GLOB = lib$(GLU_LIB).*dylib
+GLW_LIB_GLOB = lib$(GLW_LIB).*dylib
+OSMESA_LIB_GLOB = lib$(OSMESA_LIB).*dylib
+VG_LIB_GLOB = lib$(VG_LIB).*dylib