initial buildroot for linux 5.15

package/chrony/0001-sys_linux-fix-build-with-older-kernel-headers.patch

@@ -0,0 +1,33 @@
+From 5dab78341bd515692f1b9ff8716a911c3ebf9ee1 Mon Sep 17 00:00:00 2001
+Message-Id: <5dab78341bd515692f1b9ff8716a911c3ebf9ee1.1611839550.git.baruch@tkos.co.il>
+From: Baruch Siach <baruch@tkos.co.il>
+Date: Thu, 28 Jan 2021 15:02:40 +0200
+Subject: [PATCH] sys_linux: fix build with older kernel headers
+
+The renameat2 system call was introduced in kernel version 3.15. Fix
+build against older headers.
+
+Signed-off-by: Baruch Siach <baruch@tkos.co.il>
+---
+Upstream status: commit a2372b0c3abfc85d11c1684c0fb6370cc329e5c4
+
+ sys_linux.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/sys_linux.c b/sys_linux.c
+index 0b24445e173d..202da845edac 100644
+--- a/sys_linux.c
++++ b/sys_linux.c
+@@ -547,7 +547,9 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
+     SCMP_SYS(readlinkat),
+     SCMP_SYS(rename),
+     SCMP_SYS(renameat),
++#ifdef __NR_renameat2
+     SCMP_SYS(renameat2),
++#endif
+     SCMP_SYS(stat),
+     SCMP_SYS(stat64),
+     SCMP_SYS(statfs),
+-- 
+2.29.2
+

package/chrony/Config.in

@@ -0,0 +1,16 @@
+config BR2_PACKAGE_CHRONY
+	bool "chrony"
+	depends on BR2_USE_MMU # fork()
+	help
+	  Chrony is a pair of programs which are used to maintain the
+	  accuracy of the system clock.
+
+	  http://chrony.tuxfamily.org/
+
+config BR2_PACKAGE_CHRONY_DEBUG_LOGGING
+	bool "enable debug logging support"
+	depends on BR2_PACKAGE_CHRONY
+	help
+	  Enable support for debug logging output from Chrony when
+	  enabled at runtime. If disabled, code for debug logging will
+	  not be compiled in.

package/chrony/S49chrony

@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# Start chrony
+
+[ -r /etc/default/chrony ] && . /etc/default/chrony
+
+case "$1" in
+  start)
+	printf "Starting chrony: "
+	chronyd $CHRONY_ARGS && echo "OK" || echo "FAIL"
+	;;
+  stop)
+	printf "Stopping chrony: "
+	killall chronyd && echo "OK" || echo "FAIL"
+	;;
+  restart|reload)
+	"$0" stop
+	sleep 1
+	"$0" start
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?

package/chrony/chrony.hash

@@ -0,0 +1,4 @@
+# From https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2020/10/msg00000.html
+sha256  be27ea14c55e7a4434b2fa51d53018c7051c42fa6a3198c9aa6a1658bae0c625  chrony-4.0.tar.gz
+# Locally calculated
+sha256  ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  COPYING

package/chrony/chrony.mk

@@ -0,0 +1,86 @@
+################################################################################
+#
+# chrony
+#
+################################################################################
+
+CHRONY_VERSION = 4.0
+CHRONY_SITE = http://download.tuxfamily.org/chrony
+CHRONY_LICENSE = GPL-2.0
+CHRONY_LICENSE_FILES = COPYING
+CHRONY_CPE_ID_VENDOR = tuxfamily
+CHRONY_SELINUX_MODULES = chronyd
+CHRONY_DEPENDENCIES = host-pkgconf
+
+CHRONY_CONF_OPTS = \
+	--host-system=Linux \
+	--host-machine=$(BR2_ARCH) \
+	--prefix=/usr \
+	--without-tomcrypt \
+	$(if $(BR2_PACKAGE_CHRONY_DEBUG_LOGGING),--enable-debug,--disable-debug)
+
+ifeq ($(BR2_PACKAGE_LIBCAP),y)
+CHRONY_DEPENDENCIES += libcap
+else
+CHRONY_CONF_OPTS += --without-libcap
+endif
+
+ifeq ($(BR2_PACKAGE_LIBNSS),y)
+CHRONY_DEPENDENCIES += libnss
+else
+CHRONY_CONF_OPTS += --without-nss
+endif
+
+ifeq ($(BR2_PACKAGE_LIBSECCOMP),y)
+CHRONY_CONF_OPTS += --enable-scfilter
+CHRONY_DEPENDENCIES += libseccomp
+else
+CHRONY_CONF_OPTS += --without-seccomp
+endif
+
+ifeq ($(BR2_PACKAGE_LIBEDIT),y)
+CHRONY_DEPENDENCIES += libedit
+else
+CHRONY_CONF_OPTS += --without-editline --disable-readline
+endif
+
+# If pps-tools is available, build it before so the package can use it
+# (HAVE_SYS_TIMEPPS_H).
+ifeq ($(BR2_PACKAGE_PPS_TOOLS),y)
+CHRONY_DEPENDENCIES += pps-tools
+endif
+
+ifeq ($(BR2_PACKAGE_GNUTLS),y)
+CHRONY_DEPENDENCIES += gnutls
+else
+CHRONY_CONF_OPTS += --without-gnutls
+endif
+
+ifeq ($(BR2_PACKAGE_NETTLE),y)
+CHRONY_DEPENDENCIES += nettle
+else
+CHRONY_CONF_OPTS += --without-nettle
+endif
+
+define CHRONY_CONFIGURE_CMDS
+	cd $(@D) && $(TARGET_CONFIGURE_OPTS) ./configure $(CHRONY_CONF_OPTS)
+endef
+
+define CHRONY_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
+endef
+
+define CHRONY_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR="$(TARGET_DIR)" install
+endef
+
+define CHRONY_INSTALL_INIT_SYSV
+	$(INSTALL) -D -m 755 package/chrony/S49chrony $(TARGET_DIR)/etc/init.d/S49chrony
+endef
+
+define CHRONY_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/chrony/chrony.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/chrony.service
+endef
+
+$(eval $(generic-package))

package/chrony/chrony.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Chrony Network Time Daemon
+After=syslog.target network.target
+Conflicts=systemd-timesyncd.service
+
+[Service]
+# Turn off DNSSEC validation for hostname look-ups, since those need the
+# correct time to work, but we likely won't acquire that without NTP. Let's
+# break this chicken-and-egg cycle here.
+Environment=SYSTEMD_NSS_RESOLVE_VALIDATE=0
+ExecStart=/usr/sbin/chronyd -n
+Restart=always
+
+[Install]
+WantedBy=multi-user.target