Add openwrt makefile

Makefile.openwrt

@@ -0,0 +1,54 @@
+include $(TOPDIR)/rules.mk
+
+# Name, version and release number
+# The name and version of your package are used to define the variable to point to the build directory of your package: $(PKG_BUILD_DIR)
+PKG_NAME:=bell-rspro
+PKG_VERSION:=0.0.10
+PKG_RELEASE:=1
+
+# Source settings (i.e. where to find the source codes)
+# This is a custom variable, used below
+SOURCE_DIR:=/home/jaro/bell-rspro
+
+include $(INCLUDE_DIR)/package.mk
+
+# Package definition; instructs on how and where our package will appear in the overall configuration menu ('make menuconfig')
+define Package/bell-rspro
+  SECTION:=net
+  CATEGORY:=Network
+  PKG_BUILD_DEPENDS:=mosquitto
+  TITLE:=bell-rspro
+  DEPENDS:=+libmosquitto-nossl
+endef
+
+# Package description; a more verbose description on what our package does
+define Package/bell-rspro/description
+   App for home automation with MQTT for RS PRO and sending signal to GPIO port
+endef
+
+# Package preparation instructions; create the build directory and copy the source code. 
+# The last command is necessary to ensure our preparation instructions remain compatible with the patching system.
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	cp $(SOURCE_DIR)/* $(PKG_BUILD_DIR)
+	$(Build/Patch)
+endef
+# Package build instructions; invoke the target-specific compiler to first compile the source file, and then to link the file into the final executable
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+	  CC="$(TARGET_CC)" \
+	  LD="$(TARGET_LD)" \
+	  CFLAGS="$(TARGET_CFLAGS)" \
+	  LDFLAGS="$(TARGET_LDFLAGS) -lmosquitto" \
+	  CROSS_COMPILE="$(REAL_GNU_TARGET_NAME)-"
+endef
+
+# Package install instructions; create a directory inside the package to hold our executable, and then copy the executable we built previously into the folder
+define Package/bell-rspro/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bell-mqtt-recv	$(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bell-rspro.init	$(1)/etc/init.d/bell-rspro
+endef
+
+$(eval $(call BuildPackage,bell-rspro))