+dnl Build time configuration
+
+AC_ARG_ENABLE(replace-glut,
+[ --disable-replace-glut Coexist with existing glut library])
+if test "x$enable_replace_glut" != xno
+then
+ LIBRARY=glut
+ HEADER=glut.h
+else
+ LIBRARY=freeglut
+ HEADER=
+fi
+AC_SUBST(LIBRARY)
+AC_SUBST(HEADER)
+
+AC_OUTPUT(\
+ Makefile \
+ doc/Makefile \
+ progs/Makefile \
+ progs/demos/Makefile \
+ progs/demos/Fractals/Makefile \
+ progs/demos/Fractals_random/Makefile \
+ progs/demos/Lorenz/Makefile \
+ progs/demos/One/Makefile \
+ src/Makefile \
+ include/Makefile \
+ include/GL/Makefile \
+ )