diff --git a/configure.ac b/configure.ac
index 1b12c59..0248c39 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,5 +26,9 @@
 # Checks for header files.
 AC_CHECK_HEADER(systemd/sd-bus.h, ,[AC_MSG_ERROR([Could not find systemd/sd-bus.h...systemd developement package required])])
 
+# Checks for library functions.
+LT_INIT([dlopen disable-static shared])
+LT_LIB_DLLOAD
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT