libnftnl: new package

[Peter: license is GPLv2+]
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/Config.in

@@ -674,6 +674,7 @@ source "package/libnetfilter_cttimeout/Config.in"
 source "package/libnetfilter_log/Config.in"
 source "package/libnetfilter_queue/Config.in"
 source "package/libnfnetlink/Config.in"
+source "package/libnftnl/Config.in"
 source "package/libnl/Config.in"
 source "package/liboauth/Config.in"
 source "package/liboping/Config.in"

package/libnftnl/Config.in

@@ -0,0 +1,18 @@
+config BR2_PACKAGE_LIBNFTNL
+	bool "libnftnl"
+	depends on BR2_INET_IPV6
+	depends on BR2_LARGEFILE
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	select BR2_PACKAGE_LIBMNL
+	help
+	  libnftnl is a userspace library providing a low-level
+	  netlink programming interface (API) to the in-kernel
+	  nf_tables subsystem. The library libnftnl has been
+	  previously known as libnftables. This library is
+	  currently used by nftables.
+
+	  http://netfilter.org/projects/libnftnl/index.html
+
+comment "libnftnl needs a toolchain w/ threads, IPv6, largefile"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_INET_IPV6 || \
+		!BR2_LARGEFILE

package/libnftnl/libnftnl.mk

@@ -0,0 +1,15 @@
+################################################################################
+#
+# libnftnl
+#
+################################################################################
+
+LIBNFTNL_VERSION = 1.0.0
+LIBNFTNL_SITE = http://netfilter.org/projects/libnftnl/files/
+LIBNFTNL_SOURCE = libnftnl-$(LIBNFTNL_VERSION).tar.bz2
+LIBNFTNL_LICENSE = GPLv2+
+LIBNFTNL_LICENSE_FILES = COPYING
+LIBNFTNL_INSTALL_STAGING = YES
+LIBNFTNL_DEPENDENCIES = host-pkgconf libmnl
+
+$(eval $(autotools-package))