Make pulse listener built in

Makefile

@@ -3,13 +3,18 @@ CC      := cc
 CFLAGS  := -pedantic -Wall -Wno-deprecated-declarations -Os
 LDFLAGS := -lX11
 PULSEFLAGS := -lpulse
+NO_X := 0
+
+ifeq ($(NO_X), 1)
+	CFLAGS := $(CFLAGS) -DNO_X
+endif
 
 # FreeBSD (uncomment)
 #LDFLAGS += -L/usr/local/lib -I/usr/local/include
 # # OpenBSD (uncomment)
 #LDFLAGS += -L/usr/X11R6/lib -I/usr/X11R6/include
 
-all: options dwmblocks dwmblocks-pulse-listener
+all: options dwmblocks
 
 options:
 	@echo dwmblocks build options:
@@ -18,28 +23,23 @@ options:
 	@echo "CC      = ${CC}"
 	@echo "PULSEFLAGS = ${PULSEFLAGS}"
 
-dwmblocks: dwmblocks.c blocks.def.h blocks.h
-	${CC} -o dwmblocks dwmblocks.c ${CFLAGS} ${LDFLAGS}
-
-dwmblocks-pulse-listener: dwmblocks-pulse-listener.c
-	${CC} -o dwmblocks-pulse-listener dwmblocks-pulse-listener.c ${CFLAGS} ${PULSEFLAGS}
+dwmblocks: dwmblocks.c pulse-listener.c blocks.def.h blocks.h
+	${CC} -o dwmblocks dwmblocks.c pulse-listener.c ${CFLAGS} ${PULSEFLAGS} ${LDFLAGS}
 
 blocks.h:
 	cp blocks.def.h $@
 
 clean:
-	rm -f *.o *.gch dwmblocks dwmblocks-pulse-listener
+	rm -f *.o *.gch dwmblocks
 
 install: dwmblocks
 	mkdir -p ${DESTDIR}${PREFIX}/bin
 	cp -f dwmblocks ${DESTDIR}${PREFIX}/bin
-	cp -f dwmblocks-pulse-listener ${DESTDIR}${PREFIX}/bin
 	chmod 755 ${DESTDIR}${PREFIX}/bin/dwmblocks
 	install -m0755 scripts/* ${DESTDIR}${PREFIX}/bin
 
 uninstall:
 	rm -f ${DESTDIR}${PREFIX}/bin/dwmblocks \
-		${DESTDIR}${PREFIX}/bin/dwmblocks-pulse-listener \
 		${DESTDIR}${PREFIX}/bin/dwmblocks-battery \
 		${DESTDIR}${PREFIX}/bin/dwmblocks-network \
 		${DESTDIR}${PREFIX}/bin/dwmblocks-volume \