fix Makefile and README.md for 2018/hou

2018/hou/Makefile

@@ -1,6 +1,6 @@
 #!/usr/bin/env make
 #
-# IOCCC 20178 winning entry - hou
+# IOCCC 2018 winning entry - hou
 
 ################################################################################
 #
@@ -101,8 +101,8 @@ CINCLUDE=
 #CINCLUDE= -include stdlib.h
 #CINCLUDE= -include stdio.h
 #CINCLUDE= -include stdlib.h -include stdio.h
-#CINCLUDE= -I ${X11_INCDIR}
-#CINCLUDE= -I ${HOMEBREW_PREFIX}/include/SDL2
+#CINCLUDE= -I ${X11_INCDIR} -I ${X11_INCDIR}/X11
+#CINCLUDE= `${SDL2_CONFIG} --cflags`
 
 # Optimization
 #
@@ -123,10 +123,10 @@ CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
 
 # Libraries needed to build
 #
-#LIBS=
-LIBS= -lm
+LIBS=
+#LIBS= -lm
 #LIBS= -L ${X11_LIBDIR} -lX11
-#LIBS= -L ${HOMEBREW_PREFIX}/lib -lSDL
+#LIBS= `${SDL2_CONFIG} --libs`
 
 # C compiler to use
 #
@@ -164,7 +164,8 @@ ENTRY= hou
 PROG= prog
 #
 OBJ= ${PROG}.o
-DATA= input.json
+CSRC= ${PROG}.o
+DATA=
 TARGET= ${PROG}
 #
 ALT_OBJ=
@@ -213,6 +214,7 @@ clean:
 
 clobber: clean
 	${RM} -f ${TARGET} ${ALT_TARGET}
+	${RM} -f ioccc.html ioccc.json output.html
 	@-if [ -e sandwich ]; then \
 	    ${RM} -f sandwich; \
 	    echo 'ate sandwich'; \
@@ -324,4 +326,3 @@ pluto: charon
 	@echo "dwarf is a type of planet"
 	@echo "therefore, $@ is a planet"
 	@echo "having lots of planets is good feature because supernovae can help ${MAKE} a lot of them"
-