Travis still uses Ubuntu 12.04, where no systemd libraries are available. Skip
systemd support on Travis until we have a more recent Ubuntu distribution.
--disable-dumm --disable-kernel-pfroute --disable-keychain
--disable-lock-profiler --disable-maemo --disable-padlock
--disable-osx-attr --disable-tkm --disable-uci --disable-aikgen
+ --disable-systemd
--disable-svc --disable-dbghelp-backtraces --disable-socket-win
--disable-kernel-wfp --disable-kernel-iph --disable-winhttp"
if test "$LEAK_DETECTIVE" = "yes"; then