initial buildroot for linux 5.15

package/netifrc/Config.in

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+config BR2_PACKAGE_NETIFRC
+	bool "netifrc"
+	depends on BR2_PACKAGE_OPENRC
+	help
+	  netifrc is a collection of modules created to configure and
+	  manage network interfaces via individual, per-interface
+	  scripts.
+
+	  https://wiki.gentoo.org/wiki/Netifrc
+
+comment "netifrc needs openrc as init system"
+	depends on !BR2_PACKAGE_OPENRC

package/netifrc/netifrc.hash

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+# Calculated manually
+sha256	004907e0c3db2d106d6a51d604d79f971f1013fa7642054ad7efe5076e52f7b3	netifrc-0.6.1.tar.gz
+sha256	da376c9e2244f2a7220767ea4dd88cf423ff5b548e7c2f96b0f3b9dac727748a	LICENSE

package/netifrc/netifrc.mk

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+################################################################################
+#
+# netifrc
+#
+################################################################################
+
+NETIFRC_VERSION = 0.6.1
+NETIFRC_SITE = $(call github,gentoo,netifrc,$(NETIFRC_VERSION))
+NETIFRC_LICENSE = BSD-2-Clause
+NETIFRC_LICENSE_FILES = LICENSE
+
+NETIFRC_DEPENDENCIES = openrc
+
+# set LIBNAME so netifrc puts files in proper directories and sets proper
+# paths in installed files. Since in buildroot /lib64 and /lib32 always
+# points to /lib, it's safe to hardcode it to "lib"
+NETIFRC_MAKE_OPTS = \
+	LIBNAME=lib \
+	UDEVDIR=/lib/udev \
+	LIBEXECDIR=/usr/libexec/netifrc
+
+define NETIFRC_BUILD_CMDS
+	$(MAKE) $(NETIFRC_MAKE_OPTS) -C $(@D)
+endef
+
+ifeq ($(BR2_PACKAGE_HAS_UDEV),)
+define NETIFRC_REMOVE_UDEV
+	$(RM) $(TARGET_DIR)/lib/udev/net.sh
+	$(RM) $(TARGET_DIR)/lib/udev/rules.d/90-network.rules
+	rmdir --ignore-fail-on-non-empty $(TARGET_DIR)/lib/udev/rules.d
+	rmdir --ignore-fail-on-non-empty $(TARGET_DIR)/lib/udev
+endef
+endif # BR2_PACKAGE_HAS_UDEV
+
+NETIFRC_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
+ifneq ($(NETIFRC_DHCP_IFACE),)
+NETIFRC_DHCP_CFG = config_$(NETIFRC_DHCP_IFACE)="dhcp"
+define NETIFRC_DHCP_SERVICE
+	ln -sf net.lo $(TARGET_DIR)/etc/init.d/net.$(NETIFRC_DHCP_IFACE)
+	ln -sf /etc/init.d/net.$(NETIFRC_DHCP_IFACE) \
+		$(TARGET_DIR)/etc/runlevels/default/net.$(NETIFRC_DHCP_IFACE)
+endef
+endif # BR2_SYSTEM_DHCP != ""
+
+define NETIFRC_NET_CFG
+	config_lo="127.0.0.1/8"
+	$(NETIFRC_DHCP_CFG)
+endef
+
+define NETIFRC_INSTALL_TARGET_CMDS
+	$(MAKE) $(NETIFRC_MAKE_OPTS) DESTDIR=$(TARGET_DIR) -C $(@D) install
+	$(NETIFRC_REMOVE_UDEV)
+	$(call PRINTF,$(NETIFRC_NET_CFG)) > $(TARGET_DIR)/etc/conf.d/net
+	ln -sf /etc/init.d/net.lo $(TARGET_DIR)/etc/runlevels/default/net.lo
+	$(NETIFRC_DHCP_SERVICE)
+endef
+
+$(eval $(generic-package))