--- a/acinclude.m4	2020/04/23 10:18:12	1876873
+++ b/acinclude.m4	2020/04/23 10:22:38	1876874
@@ -624,6 +624,7 @@
       if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
         AC_MSG_WARN([Your system does not support systemd.])
       else
+        APR_ADDTO(HTTPD_LIBS, [$SYSTEMD_LIBS])
         AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported])
       fi
    fi

