Compile picohttpparser only once

lib/Makefile

@@ -55,7 +55,7 @@ MOSQ_OBJS=mosquitto.o \
 		  will_mosq.o
 
 ifeq ($(WITH_WEBSOCKETS),yes)
-	MOSQ_OBJS+=picohttpparser.o
+	MOSQ_OBJS+=${R}/deps/picohttpparser/picohttpparser.o
 endif
 
 ALL_DEPS:=
@@ -194,7 +194,7 @@ net_mosq.o : net_mosq.c net_mosq.h
 password_mosq.o : ${R}/common/password_mosq.c net_mosq.h
 	${CROSS_COMPILE}$(CC) $(LIB_CPPFLAGS) $(LIB_CFLAGS) -c $< -o $@
 
-picohttpparser.o : ${R}/deps/picohttpparser/picohttpparser.c ${R}/deps/picohttpparser/picohttpparser.h
+${R}/deps/picohttpparser/picohttpparser.o : ${R}/deps/picohttpparser/picohttpparser.c ${R}/deps/picohttpparser/picohttpparser.h
 	${CROSS_COMPILE}${CC} $(LIB_CPPFLAGS) $(LIB_CFLAGS) -c $< -o $@
 
 net_ws.o : net_ws.c net_mosq.h

src/Makefile

@@ -106,7 +106,7 @@ OBJS=	mosquitto.o \
 		xtreport.o
 
 ifeq ($(WITH_WEBSOCKETS),yes)
-	OBJS+=picohttpparser.o
+	OBJS+=${R}/deps/picohttpparser/picohttpparser.o
 endif
 
 mosquitto : ${OBJS}
@@ -259,7 +259,7 @@ packet_datatypes.o : ${R}/lib/packet_datatypes.c ${R}/lib/packet_mosq.h
 packet_mosq.o : ${R}/lib/packet_mosq.c ${R}/lib/packet_mosq.h
 	${CROSS_COMPILE}${CC} $(BROKER_CPPFLAGS) $(BROKER_CFLAGS) -c $< -o $@
 
-picohttpparser.o : ${R}/deps/picohttpparser/picohttpparser.c ${R}/deps/picohttpparser/picohttpparser.h
+${R}/deps/picohttpparser/picohttpparser.o : ${R}/deps/picohttpparser/picohttpparser.c ${R}/deps/picohttpparser/picohttpparser.h
 	${CROSS_COMPILE}${CC} $(BROKER_CPPFLAGS) $(BROKER_CFLAGS) -c $< -o $@
 
 property_broker.o : property_broker.c mosquitto_broker_internal.h