From 931fa6e67a071caee173e00110c42112c16f638c Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Mon, 23 Oct 2017 20:21:42 +0200
Subject: systemd unit file: Only build+install if systemd is available at
 build-time.

---
 data/CMakeLists.txt | 42 +++++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 19 deletions(-)

(limited to 'data')

diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 777b8cd..69a5095 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -20,31 +20,35 @@ install(
 # Systemd Job
 ###########################
 
-# where to install
-pkg_get_variable(SYSTEMD_USER_DIR systemd systemduserunitdir)
-message (STATUS "${SYSTEMD_USER_DIR} is the systemd user unit file install dir")
+pkg_check_modules(SYSTEMD systemd)
+if (${SYSTEMD_FOUND})
 
-set (SYSTEMD_USER_NAME "${CMAKE_PROJECT_NAME}.service")
-set (SYSTEMD_USER_FILE "${CMAKE_CURRENT_BINARY_DIR}/${SYSTEMD_USER_NAME}")
-set (SYSTEMD_USER_FILE_IN "${CMAKE_CURRENT_SOURCE_DIR}/${SYSTEMD_USER_NAME}.in")
+  # where to install
+  pkg_get_variable(SYSTEMD_USER_DIR systemd systemduserunitdir)
+  message (STATUS "${SYSTEMD_USER_DIR} is the systemd user unit file install dir")
 
-# build it
-set (pkglibexecdir "${CMAKE_INSTALL_FULL_PKGLIBEXECDIR}")
-configure_file ("${SYSTEMD_USER_FILE_IN}" "${SYSTEMD_USER_FILE}")
+  set (SYSTEMD_USER_NAME "${CMAKE_PROJECT_NAME}.service")
+  set (SYSTEMD_USER_FILE "${CMAKE_CURRENT_BINARY_DIR}/${SYSTEMD_USER_NAME}")
+  set (SYSTEMD_USER_FILE_IN "${CMAKE_CURRENT_SOURCE_DIR}/${SYSTEMD_USER_NAME}.in")
 
-# install it
-install (FILES "${SYSTEMD_USER_FILE}"
-         DESTINATION "${SYSTEMD_USER_DIR}")
+  # build it
+  set (pkglibexecdir "${CMAKE_INSTALL_FULL_PKGLIBEXECDIR}")
+  configure_file ("${SYSTEMD_USER_FILE_IN}" "${SYSTEMD_USER_FILE}")
 
-###########################
-#  Upstart systemd override Job File
-###########################
+  # install it
+  install (FILES "${SYSTEMD_USER_FILE}"
+           DESTINATION "${SYSTEMD_USER_DIR}")
 
-set (UPSTART_SYSTEMD_OVERRIDE_DIR "${CMAKE_INSTALL_FULL_DATADIR}/upstart/systemd-session/upstart")
-message (STATUS "${UPSTART_SYSTEMD_OVERRIDE_DIR} is the Upstart override Job File for systemd dir")
+  ###########################
+  #  Upstart systemd override Job File
+  ###########################
 
-install (FILES "${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.override"
-         DESTINATION "${UPSTART_SYSTEMD_OVERRIDE_DIR}")
+  set (UPSTART_SYSTEMD_OVERRIDE_DIR "${CMAKE_INSTALL_FULL_DATADIR}/upstart/systemd-session/upstart")
+  message (STATUS "${UPSTART_SYSTEMD_OVERRIDE_DIR} is the Upstart override Job File for systemd dir")
+
+  install (FILES "${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.override"
+           DESTINATION "${UPSTART_SYSTEMD_OVERRIDE_DIR}")
+endif()
 
 ###########################
 # Upstart Job
-- 
cgit v1.2.3