Use X11_INCLUDES config macro instead of

hardcoded path in makefile.

src/glut/glx/Makefile

@@ -79,7 +79,7 @@ OBJECTS = $(SOURCES:.c=.o)
 ##### RULES #####
 
 .c.o:
-	$(CC) -c -I$(TOP)/include $(CFLAGS) $(GLUT_CFLAGS) $<
+	$(CC) -c -I$(TOP)/include $(X11_INCLUDES) $(CFLAGS) $(GLUT_CFLAGS) $<
 
 
 

src/glw/Makefile

@@ -7,7 +7,7 @@ MAJOR = 1
 MINOR = 0
 TINY = 0
 
-INCDIRS = -I$(TOP)/include -I/usr/include/Motif1.2 -I/usr/contrib/X11R6/include -I/usr/X11R6/include
+INCDIRS = -I$(TOP)/include -I/usr/include/Motif1.2 $(X11_INCLUDES)
 
 
 OBJECTS = $(GLW_SOURCES:.c=.o)