- ac_safe=`echo "linux/socket.h" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for linux/socket.h""... $ac_c" 1>&6
-echo "configure:2315: checking for linux/socket.h" >&5
+ for ac_hdr in linux/socket.h linux/tcp.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:2317: checking for $ac_hdr" >&5