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. ---------------