From 60cc44d160af02c49614653c97bfa3e4e5c9601d Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <julian.klode@canonical.com>
Date: Mon, 15 Apr 2019 11:32:50 +0200
Subject: Prevent shutdown while running dpkg

As long as we are running dpkg, keep an inhibitor that
blocks us from shutting down.

LP: #1820886
---
 CMake/FindSystemd.cmake | 24 ++++++++++++++++++++++++
 CMake/config.h.in       |  3 +++
 2 files changed, 27 insertions(+)
 create mode 100644 CMake/FindSystemd.cmake

(limited to 'CMake')

diff --git a/CMake/FindSystemd.cmake b/CMake/FindSystemd.cmake
new file mode 100644
index 000000000..1c7a7debf
--- /dev/null
+++ b/CMake/FindSystemd.cmake
@@ -0,0 +1,24 @@
+# - Try to find SYSTEMD
+# Once done, this will define
+#
+#  SYSTEMD_FOUND - system has SYSTEMD
+#  SYSTEMD_INCLUDE_DIRS - the SYSTEMD include directories
+#  SYSTEMD_LIBRARIES - the SYSTEMD library
+find_package(PkgConfig)
+
+pkg_check_modules(SYSTEMD_PKGCONF libsystemd)
+
+find_path(SYSTEMD_INCLUDE_DIRS
+  NAMES systemd/sd-bus.h
+  PATHS ${SYSTEMD_PKGCONF_INCLUDE_DIRS}
+)
+
+find_library(SYSTEMD_LIBRARIES
+  NAMES systemd
+  PATHS ${SYSTEMD_PKGCONF_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Systemd DEFAULT_MSG SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)
+
+mark_as_advanced(SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)
diff --git a/CMake/config.h.in b/CMake/config.h.in
index 74d78fdb2..a9528ccfa 100644
--- a/CMake/config.h.in
+++ b/CMake/config.h.in
@@ -20,6 +20,9 @@
 /* Define if we have the zstd library for zst */
 #cmakedefine HAVE_ZSTD
 
+/* Define if we have the systemd library */
+#cmakedefine HAVE_SYSTEMD
+
 /* Define if we have the udev library */
 #cmakedefine HAVE_UDEV
 
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