initial buildroot for linux 5.15

package/conntrack-tools/Config.in

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+config BR2_PACKAGE_CONNTRACK_TOOLS
+	bool "conntrack-tools"
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC || BR2_TOOLCHAIN_HAS_THREADS # libtirpc
+	depends on !BR2_STATIC_LIBS # dlopen()
+	select BR2_PACKAGE_LIBNETFILTER_CONNTRACK
+	select BR2_PACKAGE_LIBNETFILTER_CTHELPER
+	select BR2_PACKAGE_LIBNETFILTER_CTTIMEOUT
+	select BR2_PACKAGE_LIBNETFILTER_QUEUE
+	select BR2_PACKAGE_LIBTIRPC if !BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	help
+	  The conntrack-tools are a set of tools targeted at
+	  system administrators.
+	  They are conntrack, the userspace command line interface,
+	  and conntrackd, the userspace daemon.
+
+	  http://www.netfilter.org/projects/conntrack-tools/
+
+comment "conntrack-tools needs a toolchain w/ threads, dynamic library"
+	depends on BR2_USE_MMU
+	depends on !(BR2_TOOLCHAIN_HAS_THREADS || BR2_TOOLCHAIN_HAS_NATIVE_RPC) || \
+		BR2_STATIC_LIBS

package/conntrack-tools/conntrack-tools.hash

@@ -0,0 +1,4 @@
+# From https://netfilter.org/projects/conntrack-tools/downloads.html
+sha256 590859cc848245dbfd9c6487761dd303b3a1771e007f4f42213063ca56205d5f  conntrack-tools-1.4.6.tar.bz2
+# Locally calculated
+sha256 91df39d1816bfb17a4dda2d3d2c83b1f6f2d38d53e53e41e8f97ad5ac46a0cad  COPYING

package/conntrack-tools/conntrack-tools.mk

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+################################################################################
+#
+# conntrack-tools
+#
+################################################################################
+
+CONNTRACK_TOOLS_VERSION = 1.4.6
+CONNTRACK_TOOLS_SOURCE = conntrack-tools-$(CONNTRACK_TOOLS_VERSION).tar.bz2
+CONNTRACK_TOOLS_SITE = http://www.netfilter.org/projects/conntrack-tools/files
+CONNTRACK_TOOLS_DEPENDENCIES = host-pkgconf \
+	libnetfilter_conntrack libnetfilter_cthelper libnetfilter_cttimeout \
+	libnetfilter_queue host-bison host-flex
+CONNTRACK_TOOLS_LICENSE = GPL-2.0+
+CONNTRACK_TOOLS_LICENSE_FILES = COPYING
+CONNTRACK_TOOLS_CPE_ID_VENDOR = netfilter
+
+CONNTRACK_TOOLS_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
+CONNTRACK_TOOLS_CFLAGS += `$(PKG_CONFIG_HOST_BINARY) --cflags libtirpc`
+CONNTRACK_TOOLS_DEPENDENCIES += libtirpc host-pkgconf
+endif
+
+CONNTRACK_TOOLS_CONF_ENV = CFLAGS="$(CONNTRACK_TOOLS_CFLAGS)"
+
+$(eval $(autotools-package))