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# Disable systemd and sysvinit by default if target is not Linux
if (NOT DEFINED WITH_SYSTEMD AND NOT TARGET_OS_LINUX)
set(WITH_SYSTEMD OFF)
endif()
if (NOT DEFINED WITH_SYSVINIT AND NOT TARGET_OS_LINUX)
set(WITH_SYSVINIT OFF)
endif()
# try to find systemd if it wasn't implicitly disabled
if (NOT DEFINED WITH_SYSTEMD OR WITH_SYSTEMD)
find_package(PkgConfig QUIET)
if (PKG_CONFIG_FOUND)
pkg_check_modules(SYSTEMD "systemd")
endif()
endif()
if (NOT SYSTEMD_FOUND AND NOT WITH_SYSTEMD)
set(WITH_SYSTEMD "OFF")
# Fallback to sysvinit if it wasn't implicitly enabled
if (NOT DEFINED WITH_SYSVINIT)
set(WITH_SYSVINIT ON)
endif()
endif()
if (WITH_SYSTEMD)
if ("${SYSTEMD_UNIT_DIR}" STREQUAL "")
if (SYSTEMD_FOUND)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
--variable=systemdsystemunitdir systemd
OUTPUT_VARIABLE SYSTEMD_UNIT_DIR)
string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_UNIT_DIR
"${SYSTEMD_UNIT_DIR}")
elseif(NOT CMAKE_CROSSCOMPILING AND EXISTS "/etc/debian_version")
# Debian and Ubuntu
set(SYSTEMD_UNIT_DIR "/lib/systemd/system")
else()
# RHEL, Fedora and other
set(SYSTEMD_TMPFILES_DIR "/usr/lib/systemd/system")
endif()
endif()
if ("${SYSTEMD_GENERATOR_DIR}" STREQUAL "")
if (SYSTEMD_FOUND)
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
--variable=systemdsystemgeneratordir systemd
OUTPUT_VARIABLE SYSTEMD_GENERATOR_DIR)
string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_GENERATOR_DIR
"${SYSTEMD_GENERATOR_DIR}")
elseif(NOT CMAKE_CROSSCOMPILING AND EXISTS "/etc/debian_version")
# Debian and Ubuntu
set(SYSTEMD_GENERATOR_DIR "/lib/systemd/system-generators")
else()
# RHEL, Fedora and other
set(SYSTEMD_GENERATOR_DIR "/usr/lib/systemd/system-generators")
endif()
endif()
if ("${SYSTEMD_TMPFILES_DIR}" STREQUAL "")
set(SYSTEMD_TMPFILES_DIR "/usr/lib/tmpfiles.d")
endif()
set(WITH_SYSTEMD "ON")
message(STATUS "SYSTEMD_UNIT_DIR: ${SYSTEMD_UNIT_DIR}")
message(STATUS "SYSTEMD_GENERATOR_DIR: ${SYSTEMD_GENERATOR_DIR}")
message(STATUS "SYSTEMD_TMPFILES_DIR: ${SYSTEMD_TMPFILES_DIR}")
# Disable sysvinit if it wasn't implicitly requested
if (NOT DEFINED WITH_SYSVINIT)
set(WITH_SYSVINIT "OFF")
endif()
endif()
file(APPEND "${_OptionalPackagesFile}" "\n")
file(APPEND "${_OptionalPackagesFile}" "-- WITH_SYSTEMD=${WITH_SYSTEMD}\n")
file(APPEND "${_OptionalPackagesFile}" "-- WITH_SYSVINIT=${WITH_SYSVINIT}\n")
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