diff -ruN pyro-1.5.orig/Makefile pyro-1.5/Makefile
--- pyro-1.5.orig/Makefile	Wed Feb 24 18:53:37 1999
+++ pyro-1.5/Makefile	Sat Mar 30 13:45:22 2002
@@ -18,11 +18,11 @@
 
 # Remove -DXMESA if you aren't using Mesa under X
 CFLAGS= -Wall -O6 -I$(MESADIR)/include -ffast-math -fPIC \
-		-fomit-frame-pointer -funroll-all-loops -DXMESA \
+		-fomit-frame-pointer -funroll-all-loops \
 		-DAUXDIR=\"$(AUXDIR)\"
 # Dynamic libraries.
 LDFLAGS=-lX11 -L/usr/X11R6/lib -L$(MESADIR)/lib \
-		-ljpeg -lm -lXmu -lXi -lXext -lMesaGL -lMesaGLU -lglut
+		-ljpeg -lm -lXmu -lXi -lXext -lGL -lGLU -lglut
 
 
 # ------------- You shouldn't need to make changes below here. ---------------