CC=cc
CFLAGS =  -K -g -I/usr/local/include -L/usr/local/lib 
XM_LIBS = -lX11 -ltcl -ltk -lm

minimal:minimal.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o minimal minimal.o $(XM_LIBS)

Statistical Mechanics: Entropy, Order Parameters, and Complexity, now available at Oxford University Press (USA, Europe).