Add libstrophe : XMPP client library

Config.in for libxml2/expat XML library choice

Signed-off-by: Chih-Wei Chen <changeway@gmail.com>

libs/libstrophe/Config.in

+choice
+	depends on PACKAGE_libstrophe
+	prompt "Select XML library"
+	default libstrophe-expat
+
+config libstrophe-expat
+	bool "expat"
+	select PACKAGE_libexpat
+
+config libstrophe-libxml2
+	bool "libxml2"
+	select PACKAGE_libxml2
+
+endchoice

libs/libstrophe/Makefile

+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libstrophe
+PKG_VERSION:=0.8.7
+PKG_RELEASE=1
+
+PKG_LICENSE:=GPL-3.0
+PKG_LICENSE_FILES:=COPYING
+PKG_MAINTAINER:=Chih-Wei Chen <changeway@gmail.com>
+
+PKG_SOURCE_URL:=https://github.com/strophe/libstrophe/archive/
+PKG_SOURCE:=$(PKG_VERSION).tar.gz
+
+PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+
+PKG_CONFIG_DEPENDS:= \
+	CONFIG_libstrophe-libxml2 \
+	CONFIG_libstrophe-expat
+
+include $(INCLUDE_DIR)/package.mk
+
+ifeq ($(CONFIG_libstrophe-libxml2),y)
+CONFIGURE_ARGS += \
+	--with-libxml2
+endif
+
+define Package/libstrophe
+	SECTION:=libs
+	CATEGORY:=Libraries
+	TITLE:=XMPP client library
+	URL:=http://strophe.im/libstrophe
+	DEPENDS:= +libopenssl +libstrophe-libxml2:libxml2 +libstrophe-expat:libexpat
+	MENU:=1
+endef
+
+define Package/libstrophe/description
+	A simple, lightweight C library for writing XMPP clients
+endef
+
+define Package/libstrophe/config
+	source "$(SOURCE)/Config.in"
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/ $(1)/usr/
+
+	$(INSTALL_DIR) $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libstrophe.{la,a,so*} $(1)/usr/lib/
+endef
+
+define Package/libstrophe/install
+	$(INSTALL_DIR) $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libstrophe.so.* $(1)/usr/lib
+endef
+
+$(eval $(call BuildPackage,libstrophe))