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#.rst:
# ECMGenerateDBusServiceFile
# ---------------------------
#
# This module provides the ``ecm_generate_dbus_service_file`` function for
# generating and installing a D-Bus service file.
#
# ::
#
# ecm_generate_dbus_service_file(
# NAME <service name>
# EXECUTABLE <executable>
# [SYSTEMD_SERVICE <systemd service>]
# DESTINATION <install_path>
# )
#
# A D-Bus service file ``<service name>.service`` will be generated and installed
# in the relevant D-Bus config location.
#
# ``<executable>`` must be an absolute path to the installed service executable. When using it with
# ``KDEInstallDirs`` it needs to be the ``_FULL_`` variant of the path variable.
#
# Note: On Windows, the macro will only use the file name part of ``<executable>`` since D-Bus
# service executables are to be installed in the same directory as the D-Bus daemon.
#
# Optionally, a ``<systemd service>`` can be specified to launch the corresponding
# systemd service instead of the ``<executable>`` if the D-Bus daemon is started by systemd.
#
# Example usage:
#
# .. code-block:: cmake
#
# ecm_generate_dbus_service_file(
# NAME org.kde.kded5
# EXECUTABLE ${KDE_INSTALL_FULL_BINDIR}/kded5
# DESTINATION ${KDE_INSTALL_DBUSSERVICEDIR}
# )
#
# .. code-block:: cmake
#
# ecm_generate_dbus_service_file(
# NAME org.kde.kded5
# EXECUTABLE ${KDE_INSTALL_FULL_BINDIR}/kded5
# SYSTEMD_SERVICE plasma-kded.service
# DESTINATION ${KDE_INSTALL_DBUSSERVICEDIR}
# )
#
# Since 5.73.0.
#=============================================================================
# SPDX-FileCopyrightText: 2020 Kai Uwe Broulik <kde@broulik.de>
#
# SPDX-License-Identifier: BSD-3-Clause
include(CMakeParseArguments)
function(ecm_generate_dbus_service_file)
set(options)
set(oneValueArgs EXECUTABLE NAME SYSTEMD_SERVICE DESTINATION)
set(multiValueArgs)
cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(ARG_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unexpected arguments to ecm_generate_dbus_service_file: ${ARG_UNPARSED_ARGUMENTS}")
endif()
if(NOT ARG_NAME)
message(FATAL_ERROR "Missing NAME argument for ecm_generate_dbus_service_file")
endif()
if(NOT ARG_EXECUTABLE)
message(FATAL_ERROR "Missing EXECUTABLE argument for ecm_generate_dbus_service_file")
endif()
if(NOT ARG_DESTINATION)
message(FATAL_ERROR "Missing DESTINATION argument for ecm_generate_dbus_service_file")
endif()
if(WIN32)
get_filename_component(_exec "${ARG_EXECUTABLE}" NAME)
else()
if (NOT IS_ABSOLUTE ${ARG_EXECUTABLE})
message(FATAL_ERROR "EXECUTABLE must be an absolute path in ecm_generate_dbus_service_file")
else()
set(_exec ${ARG_EXECUTABLE})
endif()
endif()
set(_service_file ${CMAKE_CURRENT_BINARY_DIR}/${ARG_NAME}.service)
file(WRITE ${_service_file}
"[D-BUS Service]
Name=${ARG_NAME}
Exec=${_exec}
")
if (ARG_SYSTEMD_SERVICE)
file(APPEND ${_service_file} "SystemdService=${ARG_SYSTEMD_SERVICE}\n")
endif()
install(FILES ${_service_file} DESTINATION ${ARG_DESTINATION})
endfunction()
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