From 1fc20b985cc888345bc8c6fce7b43f10ce71fe43 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 7 Aug 2018 16:23:19 -0700
Subject: [PATCH] meson: Add detection of libsystemd-daemon.

This enables Xtrans's systemd socket activation.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
---
 include/meson.build | 3 ++-
 meson.build         | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/meson.build b/include/meson.build
index 2c139e6b06..9a7547c470 100644
--- a/include/meson.build
+++ b/include/meson.build
@@ -72,7 +72,8 @@ elif cc.compiles('''
 endif
 
 conf_data.set('HAVE_LIBBSD', libbsd_dep.found())
-# XXX: HAVE_SYSTEMD_DAEMON
+# Note: this symbol is used by libXtrans.
+conf_data.set('HAVE_SYSTEMD_DAEMON', libsystemd_daemon_dep.found())
 conf_data.set('CONFIG_UDEV', build_udev)
 conf_data.set('CONFIG_UDEV_KMS', build_udev)
 conf_data.set('HAVE_DBUS', build_dbus)
diff --git a/meson.build b/meson.build
index ec79479d90..e7ce68a502 100644
--- a/meson.build
+++ b/meson.build
@@ -96,6 +96,12 @@ nettle_dep = dependency('nettle')
 dbus_required = get_option('systemd_logind') == 'true'
 dbus_dep = dependency('dbus-1', version: '>= 1.0', required: dbus_required)
 
+# libsystemd-daemon was moved into libsystemd in version 209
+libsystemd_daemon_dep = dependency('libsystemd', version: '>= 209', required: false)
+if not libsystemd_daemon_dep.found()
+    libsystemd_daemon_dep = dependency('libsystemd-daemon', required: false)
+endif
+
 build_hashtable = false
 
 # Resolve default values of some options
@@ -455,6 +461,7 @@ common_dep = [
     xcmiscproto_dep,
     bigreqsproto_dep,
     xtrans_dep,
+    libsystemd_daemon_dep,
 
     videoproto_dep,
     compositeproto_dep,
-- 
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