apple: avoid SO_REUSEADDR for upnp

This cause a huge battery drain. Issue reported upstream there:
https://github.com/pupnp/pupnp/issues/328

Change-Id: I739aa6e3929297f2e09b4d37849106ca03c2635e
GitLab: #563

contrib/src/upnp/rules.mak

@@ -20,13 +20,22 @@ endif
 	$(UPDATE_AUTOCONFIG) && cd $(UNPACK_DIR) && mv config.guess config.sub
 	$(MOVE)
 
+PUPNP_OPTIONS=--disable-largefile --disable-samples --disable-device --disable-webserver --without-documentation
+ifdef HAVE_IOS
+PUPNP_OPTIONS+= --disable-reuseaddr
+else
+ifdef HAVE_MACOSX
+PUPNP_OPTIONS+= --disable-reuseaddr
+endif
+endif
+
 .upnp: upnp
 ifdef HAVE_WIN32
 	$(RECONF)
-	cd $< && $(HOSTVARS) CFLAGS="-DUPNP_STATIC_LIB" ./configure --disable-largefile --disable-samples --disable-device --disable-webserver --without-documentation $(HOSTCONF)
+	cd $< && $(HOSTVARS) CFLAGS="-DUPNP_STATIC_LIB" ./configure $(PUPNP_OPTIONS) $(HOSTCONF)
 else
 	$(RECONF)
-	cd $< && $(HOSTVARS) CFLAGS="$(CFLAGS) -DUPNP_STATIC_LIB" ./configure --disable-largefile --disable-samples --disable-device --disable-webserver --without-documentation $(HOSTCONF)
+	cd $< && $(HOSTVARS) CFLAGS="$(CFLAGS) -DUPNP_STATIC_LIB" ./configure $(PUPNP_OPTIONS) $(HOSTCONF)
 endif
 	cd $< && $(MAKE) install
 	touch $@