[ptxdist] [PATCH] dbus-broker: new package

[Clemens Gruber <clemens.gruber@pqgruber.com>]

dbus-broker is a high-performance D-Bus message broker which serves as
a drop-in replacement for the dbus-daemon. The original dbus is
installed as a dependency (due to required files).

If dbus-broker is enabled, it is used as the system bus.

At runtime, a Linux Kernel >= 4.14 is required (theoretically >= 4.10
works too, but lacks security-related AF_UNIX patches according to
dbus-broker docs)

Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
---
 rules/dbus-broker.in   | 19 +++++++++++
 rules/dbus-broker.make | 75 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 rules/dbus-broker.in
 create mode 100644 rules/dbus-broker.make

diff --git a/rules/dbus-broker.in b/rules/dbus-broker.in
new file mode 100644
index 000000000..9ae261284
--- /dev/null
+++ b/rules/dbus-broker.in
@@ -0,0 +1,19 @@
+## SECTION=middleware
+
+menuconfig DBUS_BROKER
+	tristate
+	prompt "dbus-broker                   "
+	select HOST_MESON
+	select DBUS
+	select EXPAT
+	select LIBC_M
+	select LIBC_PTHREAD
+	select SYSTEMD
+	help
+	  The dbus-broker project is an implementation of a message bus as
+	  defined by the D-Bus specification. Its aim is to provide high
+	  performance and reliability, while keeping compatibility to the
+	  D-Bus reference implementation.
+	  This package is designed to be a drop-in replacement for dbus
+	  (as the system bus), but the dbus package still has to be
+	  installed.
diff --git a/rules/dbus-broker.make b/rules/dbus-broker.make
new file mode 100644
index 000000000..7d32c5425
--- /dev/null
+++ b/rules/dbus-broker.make
@@ -0,0 +1,75 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2020 by Clemens Gruber <clemens.gruber@pqgruber.com>
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# We provide this package
+#
+PACKAGES-$(PTXCONF_DBUS_BROKER) += dbus-broker
+
+#
+# Paths and names
+#
+DBUS_BROKER_VERSION	:= 24
+DBUS_BROKER_MD5		:= b60f426bc92a4f6119e51a69aef301a2
+DBUS_BROKER		:= dbus-broker-$(DBUS_BROKER_VERSION)
+DBUS_BROKER_SUFFIX	:= tar.xz
+DBUS_BROKER_URL		:= https://github.com/bus1/dbus-broker/releases/download/v$(DBUS_BROKER_VERSION)/$(DBUS_BROKER).$(DBUS_BROKER_SUFFIX)
+DBUS_BROKER_SOURCE	:= $(SRCDIR)/$(DBUS_BROKER).$(DBUS_BROKER_SUFFIX)
+DBUS_BROKER_DIR		:= $(BUILDDIR)/$(DBUS_BROKER)
+DBUS_BROKER_LICENSE	:= Apache-2.0
+DBUS_BROKER_LICENSE_FILES := \
+	file://LICENSE;md5=7b486c2338d225a1405d979ed2c15ce8
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+DBUS_BROKER_CONF_TOOL	:= meson
+DBUS_BROKER_CONF_OPT	:= \
+	$(CROSS_MESON_USR) \
+	-Daudit=false \
+	-Ddocs=false \
+	-Dlauncher=true \
+	-Dlinux-4-17=false \
+	-Dreference-test=false \
+	-Dselinux=$(call ptx/truefalse,PTXCONF_GLOBAL_SELINUX)
+
+# dbus-broker requires a kernel and kernel headers >= 4.14
+ifdef PTXCONF_KERNEL_HEADER
+DBUS_BROKER_CPPFLAGS	:= \
+	-isystem $(KERNEL_HEADERS_INCLUDE_DIR)
+endif
+
+# ----------------------------------------------------------------------------
+# Target-Install
+# ----------------------------------------------------------------------------
+
+$(STATEDIR)/dbus-broker.targetinstall:
+	@$(call targetinfo)
+
+	@$(call install_init, dbus-broker)
+	@$(call install_fixup, dbus-broker, PRIORITY, optional)
+	@$(call install_fixup, dbus-broker, SECTION, base)
+	@$(call install_fixup, dbus-broker, AUTHOR, "Clemens Gruber <clemens.gruber@pqgruber.com>")
+	@$(call install_fixup, dbus-broker, DESCRIPTION, \
+		"Linux D-Bus Message Broker")
+
+	@$(call install_copy, dbus-broker, 0, 0, 0755, -, /usr/bin/dbus-broker)
+	@$(call install_copy, dbus-broker, 0, 0, 0755, -, /usr/bin/dbus-broker-launch)
+	@$(call install_alternative, dbus-broker, 0, 0, 0644, \
+		/usr/lib/systemd/system/dbus-broker.service)
+
+	# Replace dbus reference implementation service with dbus-broker as system bus
+	$(call install_link, dbus-broker, /usr/lib/systemd/system/dbus-broker.service, \
+		/etc/systemd/system/dbus.service)
+
+	@$(call install_finish, dbus-broker)
+
+	@$(call touch)
+
+# vim: syntax=make
-- 
2.28.0


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