Bump buildroot to 2020.11-rc1 (#985)

* Update buildroot-patches for 2020.11-rc1 buildroot

* Update buildroot to 2020.11-rc1

Signed-off-by: Stefan Agner <stefan@agner.ch>

* Don't rely on sfdisk --list-free output

The --list-free (-F) argument does not allow machine readable mode. And
it seems that the output format changes over time (different spacing,
using size postfixes instead of raw blocks).

Use sfdisk json output and calculate free partition space ourselfs. This
works for 2.35 and 2.36 and is more robust since we rely on output which
is meant for scripts to parse.

* Migrate defconfigs for Buildroot 2020.11-rc1

In particular, rename BR2_TARGET_UBOOT_BOOT_SCRIPT(_SOURCE) to
BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT(_SOURCE).

* Rebase/remove systemd patches for systemd 246

* Drop apparmor/libapparmor from buildroot-external

* hassos-persists: use /run as directory for lockfiles

The U-Boot tools use /var/lock by default which is not created any more
by systemd by default (it is under tmpfiles legacy.conf, which we no
longer install).

* Disable systemd-update-done.service

The service is not suited for pure read-only systems. In particular the
service needs to be able to write a file in /etc and /var. Remove the
service. Note: This is a static service and cannot be removed using
systemd-preset.

* Disable apparmor.service for now

The service loads all default profiles. Some might actually cause
problems. E.g. the profile for ping seems not to match our setup for
/etc/resolv.conf:
[85503.634653] audit: type=1400 audit(1605286002.684:236): apparmor="DENIED" operation="open" profile="ping" name="/run/resolv.conf" pid=27585 comm="ping" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

buildroot/package/timescaledb/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_TIMESCALEDB
+	bool "timescaledb"
+	depends on BR2_PACKAGE_POSTGRESQL
+	help
+	  TimescaleDB is an open-source database designed
+	  to make SQL scalable for time-series data.
+	  It is engineered up from PostgreSQL and packaged
+	  as a PostgreSQL extension, providing automatic
+	  partitioning across time and space (partitioning key),
+	  as well as full SQL support.
+
+	  https://www.timescale.com/

buildroot/package/timescaledb/timescaledb.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  d0b7a153ff3e02ecf033a869ecdf4286f8610ea76140baa84928fc3a80223e99  timescaledb-1.7.4.tar.gz
+sha256  0378e0948feefd85f579319c74d6e2b671194037f550c7176ef26649d94c895b  LICENSE

buildroot/package/timescaledb/timescaledb.mk

@@ -0,0 +1,36 @@
+################################################################################
+#
+# timescaledb
+#
+################################################################################
+
+TIMESCALEDB_VERSION = 1.7.4
+TIMESCALEDB_SITE = $(call github,timescale,timescaledb,$(TIMESCALEDB_VERSION))
+TIMESCALEDB_LICENSE = Apache-2.0
+TIMESCALEDB_LICENSE_FILES = LICENSE
+
+TIMESCALEDB_DEPENDENCIES = postgresql
+
+# The PG_CPPFLAGS, PG_CFLAGS, PG_LDFLAGS and PG_LIBS variables must be
+# non-empty, otherwise CMake will call the pg_config script, and our
+# pg_config replacement doesn't implement --cppflags --cflags
+# --ldflags and --libs.
+TIMESCALEDB_CONF_OPTS = \
+	-DREGRESS_CHECKS=OFF \
+	-DPG_PKGLIBDIR=lib/postgresql \
+	-DPG_SHAREDIR=share/postgresql \
+	-DPG_BINDIR=bin \
+	-DPG_CPPFLAGS="$(TARGET_CPPFLAGS) " \
+	-DPG_CFLAGS="$(TARGET_CFLAGS) " \
+	-DPG_LDFLAGS="$(TARGET_LDFLAGS) " \
+	-DPG_LIBS=" "
+
+# There's no dependency on the OpenSSL package, because USE_OPENSSL
+# only tells if postgresql was built with OpenSSL support or not.
+ifeq ($(BR2_PACKAGE_OPENSSL),y)
+TIMESCALEDB_CONF_OPTS += -DUSE_OPENSSL=1
+else
+TIMESCALEDB_CONF_OPTS += -DUSE_OPENSSL=0
+endif
+
+$(eval $(cmake-package))