diff -up Gabedit218Src/Makefile.gl2ps Gabedit218Src/Makefile
--- Gabedit218Src/Makefile.gl2ps	2008-09-25 23:00:34.000000000 +0200
+++ Gabedit218Src/Makefile	2008-09-25 23:00:21.000000000 +0200
@@ -44,6 +44,8 @@ ifneq ($(external_gl2ps),1)
 GL2PS     = gl2ps/*.o
 OBJECTS  += $(GL2PS)
 SUBDIRS  += gl2ps
+else
+OBJECTS  += -lgl2ps
 endif
  
 TARGETS = all clean dep