diff --git a/configure.in b/configure.in
index a1d1452c..f02835fb 100644
--- a/configure.in
+++ b/configure.in
@@ -125,7 +125,10 @@ AC_TYPE_SIZE_T
 
 
 # -- Libraries --
+
+AC_CHECK_LIB(UTIL,memmove)
 AC_CHECK_LIB(socket,bind)
+AC_CHECK_LIB(nsl,gethostent)
 
 # -- Functions --