build: Add FindSystemd.cmake

From https://github.com/Cloudef/wlc/blob/master/CMake/FindSystemd.cmake
This commit is contained in:
Ryan Pavlik 2020-05-01 11:53:37 -05:00
parent d7e84cf5b5
commit 67a2c26295

40
cmake/FindSystemd.cmake Normal file
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#.rst:
# FindSystemd
# -------
#
# Find Systemd library
#
# Try to find Systemd library on UNIX systems. The following values are defined
#
# ::
#
# SYSTEMD_FOUND - True if Systemd is available
# SYSTEMD_INCLUDE_DIRS - Include directories for Systemd
# SYSTEMD_LIBRARIES - List of libraries for Systemd
# SYSTEMD_DEFINITIONS - List of definitions for Systemd
#
#=============================================================================
# Copyright (c) 2015 Jari Vetoniemi
#
# Distributed under the OSI-approved BSD License (the "License");
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
include(FeatureSummary)
set_package_properties(Systemd PROPERTIES
URL "http://freedesktop.org/wiki/Software/systemd/"
DESCRIPTION "System and Service Manager")
find_package(PkgConfig)
pkg_check_modules(PC_SYSTEMD QUIET libsystemd)
find_library(SYSTEMD_LIBRARIES NAMES systemd ${PC_SYSTEMD_LIBRARY_DIRS})
find_path(SYSTEMD_INCLUDE_DIRS systemd/sd-login.h HINTS ${PC_SYSTEMD_INCLUDE_DIRS})
set(SYSTEMD_DEFINITIONS ${PC_SYSTEMD_CFLAGS_OTHER})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SYSTEMD DEFAULT_MSG SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)
mark_as_advanced(SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES SYSTEMD_DEFINITIONS)