add l3roamd dev package (#736)

package/l3roamd/Makefile

+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=l3roamd
+PKG_VERSION:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=https://github.com/tcatm/l3roamd.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+# this is master from april 14th
+PKG_SOURCE_VERSION:=master
+#PKG_SOURCE_VERSION:=14e87caa275be2432ae0fcc7242742946851d327
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+
+#PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+CMAKE_OPTIONS +=  I-DCMAKE_BUILD_TYPE:STRING=MINSIZEREL
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/l3roamd
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=The layer 3 roaming daemon
+  DEPENDS:=+libnl-tiny +kmod-tun +librt +libpthread
+endef
+
+define Package/l3roamd/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/l3roamd $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,l3roamd))