diff --git a/configure.in b/configure.in
index c92e1d916..d425a8401 100644
--- a/configure.in
+++ b/configure.in
@@ -446,6 +446,16 @@ case "$OS" in
 		LIB_SOCKET=1
 		SUDO_LIBS="${SUDO_LIBS} -lsocket"
 
+		if test "$with_C2" != "no"; then
+		    with_C2="yes"
+		    SHADOW_TYPE="SPW_SVR4"
+		    AC_DEFINE_UNQUOTED(SHADOW_TYPE, $SHADOW_TYPE)
+		fi
+		;;
+    "ncr") echo "Looks like an NCR"
+		LIB_SOCKET=1
+		SUDO_LIBS="${SUDO_LIBS} -lsocket"
+
 		if test "$with_C2" != "no"; then
 		    with_C2="yes"
 		    SHADOW_TYPE="SPW_SVR4"