diff -Nru nmap-6.25.orig/nping/configure.ac nmap-6.25/nping/configure.ac
--- nmap-6.25.orig/nping/configure.ac	2012-09-19 18:41:30.000000000 +0200
+++ nmap-6.25/nping/configure.ac	2013-05-25 15:23:30.028679953 +0200
@@ -119,7 +119,7 @@
 AC_SEARCH_LIBS(dlopen, dl)
 
 # libpcap can require libnl
-AC_SEARCH_LIBS(nl_handle_alloc, nl)
+AC_SEARCH_LIBS(nl_handle_alloc, nl-3)
 
 # We test whether they specified openssl desires explicitly
 use_openssl="yes"