Disable sd-daemon.c's support for POSIX message queues

This fixes build failures with recent glibc while avoiding an
otherwise useless librt dependency.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=63166
Reviewed-by: Thiago Macieira <thiago@kde.org>

diff --git a/dbus/Makefile.am b/dbus/Makefile.am
index 3679e3f..87e818a 100644 (file)
--- a/dbus/Makefile.am
+++ b/dbus/Makefile.am
@@ -12,6 +12,10 @@ AM_CPPFLAGS = \
        -DDBUS_SESSION_CONFIG_FILE=\""$(configdir)/session.conf"\" \
        $(NULL)
 
+# On Linux with glibc 2.17, sd-daemon.c support for POSIX message queues
+# results in an otherwise unnecessary dependency on librt. Disable it.
+AM_CPPFLAGS += -DSD_DAEMON_DISABLE_MQ
+
 # if assertions are enabled, improve backtraces
 AM_LDFLAGS = @R_DYNAMIC_LDFLAG@