Add OpenWrt PolarSSL build script

openwrt/Makefile

@@ -7,7 +7,7 @@ PKG_RELEASE=$(PKG_SOURCE_VERSION)
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/madeye/shadowsocks-libev.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=eb9d31869e1d7590cd8c2fb1e7d226ac6cf32fad
+PKG_SOURCE_VERSION:=71c30b31f34f181c02410612e51e1c03ee4f311f
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MAINTAINER:=Max Lv <max.c.lv@gmail.com>
 
@@ -18,21 +18,41 @@ PKG_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/package.mk
 
-define Package/shadowsocks-libev
+define Package/shadowsocks-libev/Default
   SECTION:=net
   CATEGORY:=Network
-  DEPENDS:=+libopenssl
   TITLE:=Lightweight Secured Socks5 Proxy
+  URL:=https://github.com/madeye/shadowsocks-libev
+endef
+
+define Package/shadowsocks-libev
+  $(call Package/shadowsocks-libev/Default)
+  TITLE+= (OpenSSL)
+  VARIANT:=openssl
+  DEPENDS:=+libopenssl
+endef
+
+define Package/shadowsocks-libev-polarssl
+  $(call Package/shadowsocks-libev/Default)
+  TITLE+= (PolarSSL)
+  VARIANT:=polarssl
+  DEPENDS:=+libpolarssl
 endef
 
 define Package/shadowsocks-libev/description
 Shadowsocks-libev is a lightweight secured scoks5 proxy for embedded devices and low end boxes.
 endef
 
+Package/shadowsocks-libev-polarssl/description=$(Package/shadowsocks-libev/description)
+
 define Package/shadowsocks-libev/conffiles
 /etc/config/shadowsocks.json
 endef
 
+ifeq ($(BUILD_VARIANT),polarssl)
+	CONFIGURE_ARGS += --with-crypto-library=polarssl
+endif
+
 define Package/shadowsocks-libev/install
 	$(INSTALL_DIR) $(1)/usr/bin $(1)/etc/init.d $(1)/etc/config
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/ss-local $(1)/usr/bin/ss-local
@@ -41,5 +61,7 @@ define Package/shadowsocks-libev/install
 	$(INSTALL_CONF) ./files/shadowsocks.json $(1)/etc/config/shadowsocks.json
 endef
 
-$(eval $(call BuildPackage,shadowsocks-libev))
+Package/shadowsocks-libev-polarssl/install=$(Package/shadowsocks-libev/install)
 
+$(eval $(call BuildPackage,shadowsocks-libev))
+$(eval $(call BuildPackage,shadowsocks-libev-polarssl))