From: Łukasz Stelmach <[email protected]>

Signed-off-by: Łukasz Stelmach <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Peter Hutterer <[email protected]>
---
 configure.ac            | 20 ++++++++++++++++++++
 include/dix-config.h.in |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/configure.ac b/configure.ac
index 8bedd35..586ebd2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -832,6 +832,26 @@ AC_SUBST(SDK_REQUIRED_MODULES)
 
 REQUIRED_MODULES="$FIXESPROTO $DAMAGEPROTO $XCMISCPROTO $XTRANS $BIGREQSPROTO 
$SDK_REQUIRED_MODULES"
 
+dnl systemd socket activation
+dnl activate the code in libxtrans that grabs systemd's socket fds
+AC_ARG_WITH([systemd-daemon],
+       AS_HELP_STRING([--with-systemd-daemon],
+               [support systemd socket activation (default: auto)]),
+       [WITH_SYSTEMD_DAEMON=$withval], [WITH_SYSTEMD_DAEMON=auto])
+PKG_CHECK_MODULES([SYSTEMD_DAEMON], [libsystemd-daemon],
+                  [HAVE_SYSTEMD_DAEMON=yes], [HAVE_SYSTEMD_DAEMON=no])
+if test "x$WITH_SYSTEMD_DAEMON" = xauto; then
+       WITH_SYSTEMD_DAEMON="$HAVE_SYSTEMD_DAEMON"
+fi
+if test "x$WITH_SYSTEMD_DAEMON" = xyes; then
+       if "x$HAVE_SYSTEMD_DAEMON" = xno; then
+               AC_MSG_ERROR([systemd support requested but no library has been 
found])
+       fi
+       AC_DEFINE(HAVE_SYSTEMD_DAEMON, 1, [Define to 1 if libsystemd-daemon is 
available])
+       REQUIRED_LIBS="$REQUIRED_LIBS libsystemd-daemon"
+fi
+AM_CONDITIONAL([HAVE_SYSTEMD_DAEMON], [test "x$HAVE_SYSTEMD_DAEMON" = "xyes"])
+
 if test "x$CONFIG_UDEV" = xyes &&
  { test "x$CONFIG_DBUS_API" = xyes || test "x$CONFIG_HAL" = xyes; }; then
        AC_MSG_ERROR([Hotplugging through both libudev and dbus/hal not 
allowed])
diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index 3066100..aa4d4db 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -199,6 +199,9 @@
 /* Define to 1 if you have the `strndup' function. */
 #undef HAVE_STRNDUP
 
+/* Define to 1 if libsystemd-daemon is available */
+#undef HAVE_SYSTEMD_DAEMON
+
 /* Define to 1 if SYSV IPC is available */
 #undef HAVE_SYSV_IPC
 
-- 
1.8.4.2

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