diff -up ./Makefile.PL.tv ./Makefile.PL
--- ./Makefile.PL.tv	2018-09-21 10:32:09.165570705 +0200
+++ ./Makefile.PL	2018-09-21 10:45:39.096591301 +0200
@@ -106,7 +106,7 @@ REASON
 # We also store the list of available functions in a file for skipping the 
 # corresponding tests. 
 my @funcs = have_functions(find_functions());
-$options{DEFINE} .= cpp_defines(@funcs);
+$options{DEFINE} .= cpp_defines(@funcs). "-DHAVE_PCAP_SETSAMPLING";
 open(FUNCS, '>funcs.txt') or warn "warning: can't write 'funcs.txt': $!\n";
 print FUNCS join("\n", @funcs), "\n";
 close(FUNCS);
diff -up ./Pcap.xs.tv ./Pcap.xs
diff -up ./stubs.inc.tv ./stubs.inc
--- ./stubs.inc.tv	2018-09-21 10:30:08.653034412 +0200
+++ ./stubs.inc	2018-09-21 10:46:41.339897943 +0200
@@ -354,11 +354,6 @@ int pcap_parsesrcstr(const char *source,
 #ifdef _MSC_VER
 #pragma message( "Warning: the function pcap_open() is not available" )
 #endif
-struct pcap_rmtauth {
-    int type;
-    char *username;
-    char *password;
-};
 
 pcap_t * pcap_open(const char *source, int snaplen, int flags, int read_timeout, struct pcap_rmtauth *auth, char *err);
 pcap_t * pcap_open(const char *source, int snaplen, int flags, int read_timeout, struct pcap_rmtauth *auth, char *err) {
@@ -511,6 +511,7 @@ HANDLE pcap_getevent(pcap_t *p) {
 #ifdef _MSC_VER
 #pragma message( "Warning: the function pcap_setsampling() is not available" )
 #endif
+#if 0
 struct pcap_samp {
     int method;
     int value;
@@ -522,6 +523,7 @@ struct pcap_samp *pcap_setsampling(pcap_
     return NULL;
 }
 #endif
+#endif
 
 
 /*