initial buildroot for linux 5.15

package/vnstat/Config.in

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+config BR2_PACKAGE_VNSTAT
+	bool "vnstat"
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_USE_WCHAR # mbstowcs()
+	select BR2_PACKAGE_SQLITE
+	help
+	  vnStat is a console-based network traffic monitor that keeps a
+	  log of network traffic for the selected interface(s). It uses
+	  the network interface statistics provided by the kernel as
+	  information source. This means that vnStat won't actually be
+	  sniffing any traffic and also ensures light use of system
+	  resources.
+
+	  http://humdi.net/vnstat
+
+comment "vnstat needs a toolchain w/ wchar"
+	depends on BR2_USE_MMU
+	depends on !BR2_USE_WCHAR

package/vnstat/vnstat.hash

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+# Locally calculated
+sha256  03f858a7abf6bd85bb8cd595f3541fc3bd31f8f400ec092ef3034825ccb77c25  vnstat-2.8.tar.gz
+sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING

package/vnstat/vnstat.mk

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+################################################################################
+#
+# vnstat
+#
+################################################################################
+
+VNSTAT_VERSION = 2.8
+VNSTAT_SITE = http://humdi.net/vnstat
+VNSTAT_LICENSE = GPL-2.0
+VNSTAT_LICENSE_FILES = COPYING
+VNSTAT_SELINUX_MODULES = vnstatd
+VNSTAT_DEPENDENCIES = host-pkgconf sqlite
+VNSTAT_CONF_OPTS = --disable-extra-paths
+
+ifeq ($(BR2_PACKAGE_GD)$(BR2_PACKAGE_LIBPNG),yy)
+VNSTAT_DEPENDENCIES += gd
+VNSTAT_CONF_OPTS += --enable-image-output
+else
+VNSTAT_CONF_OPTS += --disable-image-output
+endif
+
+$(eval $(autotools-package))