diff --git a/CHANGELOG b/CHANGELOG
index a105ac65a..8e8050e4e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 #Nmap Changelog ($Id$); -*-text-*-
 
+o Upgraded included libpcap to 1.8.1 [Daniel Miller]
+
 o [NSE] Script http-default-accounts was not able to run against more than one
   target host/port. [nnposter]
 
diff --git a/libpcap/NMAP_MODIFICATIONS/0001-Don-t-autogenerate-Lex-Yacc-files.patch b/libpcap/NMAP_MODIFICATIONS/0001-Don-t-autogenerate-Lex-Yacc-files.patch
new file mode 100644
index 000000000..07eafe321
--- /dev/null
+++ b/libpcap/NMAP_MODIFICATIONS/0001-Don-t-autogenerate-Lex-Yacc-files.patch
@@ -0,0 +1,126 @@
+From f38b1fc263d65a53746108e2c9afacf1dc6a058a Mon Sep 17 00:00:00 2001
+From: Daniel Miller <daniel@bonsaiviking.com>
+Date: Fri, 1 May 2015 14:44:28 +0000
+Subject: [PATCH 1/2] Don't autogenerate Lex/Yacc files.
+
+---
+ libpcap/Makefile.in  | 33 ++++++++++-----------------------
+ libpcap/configure.in | 20 --------------------
+ 2 files changed, 10 insertions(+), 43 deletions(-)
+
+diff --git a/libpcap/Makefile.in b/libpcap/Makefile.in
+index f317973..577b848 100644
+--- a/libpcap/Makefile.in
++++ b/libpcap/Makefile.in
+@@ -69,14 +69,6 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@
+ INSTALL_DATA = @INSTALL_DATA@
+ RANLIB = @RANLIB@
+ 
+-#
+-# Flex and bison allow you to specify the prefixes of the global symbols
+-# used by the generated parser.  This allows programs to use lex/yacc
+-# and link against libpcap.  If you don't have flex or bison, get them.
+-#
+-LEX = @V_LEX@
+-YACC = @V_YACC@
+-
+ # Explicitly define compilation rule since SunOS 4's make doesn't like gcc.
+ # Also, gcc does not remove the .o before forking 'as', which can be a
+ # problem if you don't own the file but can write to the directory.
+@@ -152,7 +144,7 @@ TAGFILES = \
+ 	$(SRC) $(HDR)
+ 
+ CLEANFILES = $(OBJ) libpcap.* $(TESTS) \
+-	$(PROG)-`cat $(srcdir)/VERSION`.tar.gz $(GENSRC) $(GENHDR) \
++	$(PROG)-`cat $(srcdir)/VERSION`.tar.gz \
+ 	lex.yy.c pcap-config
+ 
+ MAN1 = pcap-config.1
+@@ -360,6 +352,15 @@ EXTRA_DIST = \
+ 
+ all: libpcap.a shared pcap-config
+ 
++# Inhibit implicit rule Make seems to have for using yacc/lex to
++# recompile new scanner.c/grammar.c -- we ship ones which we want to
++# use instead.
++grammar.c:
++	echo "Not rebuilding grammar.c"
++
++scanner.c:
++	echo "Not rebuilding scanner.c"
++
+ libpcap.a: $(OBJ)
+ 	@rm -f $@
+ 	$(AR) rc $@ $(OBJ) $(ADDLARCHIVEOBJS)
+@@ -443,25 +444,11 @@ libpcap.shareda: $(OBJ)
+ #
+ libpcap.none:
+ 
+-scanner.c: $(srcdir)/scanner.l
+-	@rm -f $@ $@.bottom
+-	$(srcdir)/runlex.sh $(LEX) -o$@ $<
+-	mv $@ $@.bottom
+-	cat $@.top $@.bottom > $@
+-	@rm $@.bottom
+-
+ scanner.o: scanner.c tokdefs.h
+ 	$(CC) $(FULL_CFLAGS) -c scanner.c
+ 
+ pcap.o: version.h
+ 
+-tokdefs.h: grammar.c
+-grammar.c: $(srcdir)/grammar.y
+-	@rm -f grammar.c tokdefs.h
+-	$(YACC) -d $<
+-	mv y.tab.c grammar.c
+-	mv y.tab.h tokdefs.h
+-
+ grammar.o: grammar.c
+ 	@rm -f $@
+ 	$(CC) $(FULL_CFLAGS) -Dyylval=pcap_lval -c grammar.c
+diff --git a/libpcap/configure.in b/libpcap/configure.in
+index be4b29e..ec87283 100644
+--- a/libpcap/configure.in
++++ b/libpcap/configure.in
+@@ -1051,24 +1051,6 @@ if test "$V_PCAP" = snf -a "$ac_cv_lbl_snf_api" = no; then
+ 	AC_MSG_ERROR(Specifying the capture type as 'snf' requires the Myricom Sniffer API to be present; use --with-snf=DIR)
+ fi
+ 
+-AC_LBL_LEX_AND_YACC(V_LEX, V_YACC, pcap_)
+-if test "$V_LEX" = lex ; then
+-# Some versions of lex can't handle the definitions section of scanner.l .
+-# Try lexing it and complain if it can't deal.
+-	AC_CACHE_CHECK([for capable lex], tcpdump_cv_capable_lex,
+-		if lex -t scanner.l > /dev/null 2>&1; then
+-			tcpdump_cv_capable_lex=yes
+-		else
+-			tcpdump_cv_capable_lex=insufficient
+-		fi)
+-	if test $tcpdump_cv_capable_lex = insufficient ; then
+-		AC_MSG_ERROR([Your operating system's lex is insufficient to compile
+- libpcap.  flex is a lex replacement that has many advantages, including
+- being able to compile libpcap.  For more information, see
+- http://www.gnu.org/software/flex/flex.html .])
+-	fi
+-fi
+-
+ #
+ # Assume, by default, no support for shared libraries and V7/BSD convention
+ # for man pages (file formats in section 5, miscellaneous info in section 7).
+@@ -1351,13 +1333,11 @@ AC_SUBST(V_CCOPT)
+ AC_SUBST(V_DEFS)
+ AC_SUBST(V_FINDALLDEVS)
+ AC_SUBST(V_INCLS)
+-AC_SUBST(V_LEX)
+ AC_SUBST(V_PCAP)
+ AC_SUBST(V_SHLIB_CMD)
+ AC_SUBST(V_SHLIB_OPT)
+ AC_SUBST(V_SONAME_OPT)
+ AC_SUBST(V_RPATH_OPT)
+-AC_SUBST(V_YACC)
+ AC_SUBST(ADDLOBJS)
+ AC_SUBST(ADDLARCHIVEOBJS)
+ AC_SUBST(SSRC)
+-- 
+1.9.1
+
diff --git a/libpcap/NMAP_MODIFICATIONS/0002-Disable-unnecessary-features.patch b/libpcap/NMAP_MODIFICATIONS/0002-Disable-unnecessary-features.patch
new file mode 100644
index 000000000..8ec65265c
--- /dev/null
+++ b/libpcap/NMAP_MODIFICATIONS/0002-Disable-unnecessary-features.patch
@@ -0,0 +1,174 @@
+From 7a42932439162be1f263986cdc7bbef78840a71a Mon Sep 17 00:00:00 2001
+From: Daniel Miller <daniel@bonsaiviking.com>
+Date: Fri, 1 May 2015 14:53:42 +0000
+Subject: [PATCH 2/2] Disable unnecessary features
+
+The following features are disabled:
+
+* monitor-mode sniffing of wireless interfaces on Linux, via libnl
+* building shared libraries
+* Bluetooth support
+* canusb support
+* CAN support
+* dbus capture support
+---
+ libpcap/configure.ac | 24 ++++++++++++------------
+ 1 file changed, 12 insertions(+), 12 deletions(-)
+
+diff --git a/libpcap/configure.ac b/libpcap/configure.ac
+index ec87283..ad2e437 100644
+--- a/libpcap/configure.ac
++++ b/libpcap/configure.ac
+@@ -450,10 +450,10 @@ linux)
+ 	# Do we have libnl?
+ 	#
+ 	AC_ARG_WITH(libnl,
+-	AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=yes, on Linux, if present@:>@]),
++	AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=disabled@:>@]),
+ 		with_libnl=$withval,,)
+ 
+-	if test x$with_libnl != xno ; then
++	if test x$with_libnl = xyes ; then
+ 		have_any_nl="no"
+ 
+                 incdir=-I/usr/include/libnl3
+@@ -1301,8 +1301,8 @@ solaris*)
+ esac
+ 
+ AC_ARG_ENABLE(shared,
+-AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=yes, if support available@:>@]))
+-test "x$enable_shared" = "xno" && DYEXT="none"
++AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=no@:>@]))
++test "x$enable_shared" != "xyes" && DYEXT="none"
+ 
+ AC_PROG_RANLIB
+ AC_CHECK_TOOL([AR], [ar])
+@@ -1457,9 +1457,9 @@ AC_SUBST(PCAP_SUPPORT_NETFILTER)
+ AC_SUBST(NETFILTER_SRC)
+ 
+ AC_ARG_ENABLE([bluetooth],
+-[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=no@:>@])],
+     [],
+-    [enable_bluetooth=ifsupportavailable])
++    [enable_bluetooth=no])
+ 
+ if test "x$enable_bluetooth" != "xno" ; then
+ 	dnl check for Bluetooth sniffing support
+@@ -1536,9 +1536,9 @@ if test "x$enable_bluetooth" != "xno" ; then
+ fi
+ 
+ AC_ARG_ENABLE([canusb],
+-[AC_HELP_STRING([--enable-canusb],[enable canusb support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-canusb],[enable canusb support @<:@default=no@:>@])],
+     [],
+-    [enable_canusb=ifsupportavailable])
++    [enable_canusb=no])
+ 
+ if test "x$enable_canusb" != "xno" ; then
+ 	dnl check for canusb support
+@@ -1582,9 +1582,9 @@ if test "x$enable_canusb" != "xno" ; then
+ fi
+ 
+ AC_ARG_ENABLE([can],
+-[AC_HELP_STRING([--enable-can],[enable CAN support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-can],[enable CAN support @<:@default=no@:>@])],
+     [],
+-    [enable_can=ifsupportavailable])
++    [enable_can=no])
+ 
+ if test "x$enable_can" != "xno" ; then
+ 	dnl check for CAN sniffing support
+@@ -1619,9 +1619,9 @@ if test "x$enable_can" != "xno" ; then
+ fi
+ 
+ AC_ARG_ENABLE([dbus],
+-[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=no@:>@])],
+     [],
+-    [enable_dbus=ifavailable])
++    [enable_dbus=no])
+ 
+ if test "x$enable_dbus" != "xno"; then
+ 	if test "x$enable_dbus" = "xyes"; then
+-- 
+1.9.1
+
+commit e79d124eed3951184e812ea95609a0cefb855b01
+Author: Daniel Miller <daniel@bonsaiviking.com>
+Date:   Tue Jul 17 19:36:10 2018 +0000
+
+    libpcap: Disable unnecessary features
+    
+    The following features are disabled:
+    
+    * monitor-mode sniffing of wireless interfaces on Linux, via libnl
+    * building shared libraries
+    * Bluetooth support
+    * usb support
+    * dbus capture support
+
+diff --git a/libpcap/configure.ac b/libpcap/configure.ac
+index 4300866..21e2b5f 100644
+--- a/libpcap/configure.ac
++++ b/libpcap/configure.ac
+@@ -485,10 +485,10 @@ linux)
+ 	# Do we have libnl?
+ 	#
+ 	AC_ARG_WITH(libnl,
+-	AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=yes, on Linux, if present@:>@]),
++	AC_HELP_STRING([--without-libnl],[disable libnl support @<:@default=disabled@:>@]),
+ 		with_libnl=$withval,,)
+ 
+-	if test x$with_libnl != xno ; then
++	if test x$with_libnl = xyes ; then
+ 		have_any_nl="no"
+ 
+                 incdir=-I/usr/include/libnl3
+@@ -1390,8 +1390,8 @@ solaris*)
+ esac
+ 
+ AC_ARG_ENABLE(shared,
+-AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=yes, if support available@:>@]))
+-test "x$enable_shared" = "xno" && DYEXT="none"
++AC_HELP_STRING([--enable-shared],[build shared libraries @<:@default=no@:>@]))
++test "x$enable_shared" != "xyes" && DYEXT="none"
+ 
+ AC_PROG_RANLIB
+ AC_CHECK_TOOL([AR], [ar])
+@@ -1429,9 +1429,9 @@ AC_SUBST(MAN_FILE_FORMATS)
+ AC_SUBST(MAN_MISC_INFO)
+ 
+ AC_ARG_ENABLE([usb],
+-[AC_HELP_STRING([--enable-usb],[enable nusb support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-usb],[enable nusb support @<:@default=no@:>@])],
+     [],
+-    [enable_usb=yes])
++    [enable_usb=no])
+ 
+ if test "xxx_only" = yes; then
+ 	# User requested something-else-only pcap, so they don't
+@@ -1556,9 +1556,9 @@ AC_SUBST(PCAP_SUPPORT_NETFILTER)
+ AC_SUBST(NETFILTER_SRC)
+ 
+ AC_ARG_ENABLE([bluetooth],
+-[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-bluetooth],[enable Bluetooth support @<:@default=no@:>@])],
+     [],
+-    [enable_bluetooth=ifsupportavailable])
++    [enable_bluetooth=no])
+ 
+ if test "xxx_only" = yes; then
+ 	# User requested something-else-only pcap, so they don't
+@@ -1641,9 +1641,9 @@ if test "x$enable_bluetooth" != "xno" ; then
+ fi
+ 
+ AC_ARG_ENABLE([dbus],
+-[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=yes, if support available@:>@])],
++[AC_HELP_STRING([--enable-dbus],[enable D-Bus capture support @<:@default=no@:>@])],
+     [],
+-    [enable_dbus=ifavailable])
++    [enable_dbus=no])
+ 
+ if test "xxx_only" = yes; then
+ 	# User requested something-else-only pcap, so they don't
diff --git a/libpcap/configure b/libpcap/configure
index 4c64875e3..c4a883842 100755
--- a/libpcap/configure
+++ b/libpcap/configure
@@ -640,13 +640,11 @@ DYEXT
 SSRC
 ADDLARCHIVEOBJS
 ADDLOBJS
-V_YACC
 V_RPATH_OPT
 V_SONAME_OPT
 V_SHLIB_OPT
 V_SHLIB_CMD
 V_PCAP
-V_LEX
 V_INCLS
 V_FINDALLDEVS
 V_DEFS
@@ -656,11 +654,6 @@ DEPENDENCY_CFLAG
 LN_S
 AR
 RANLIB
-YFLAGS
-YACC
-LEXLIB
-LEX_OUTPUT_ROOT
-LEX
 HAVE_LINUX_TPACKET_AUXDATA
 VALGRINDTEST
 LIBOBJS
@@ -706,6 +699,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -760,9 +754,7 @@ CFLAGS
 LDFLAGS
 LIBS
 CPPFLAGS
-CPP
-YACC
-YFLAGS'
+CPP'
 
 
 # Initialize some variables set by options.
@@ -801,6 +793,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE}'
@@ -1053,6 +1046,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1190,7 +1192,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1343,6 +1345,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1382,14 +1385,10 @@ Optional Features:
   --enable-optimizer-dbg  build optimizer debugging code
   --enable-yydebug        build parser debugging code
   --disable-universal     don't build universal on OS X
-  --enable-shared         build shared libraries [default=yes, if support
-                          available]
-  --enable-usb            enable nusb support [default=yes, if support
-                          available]
-  --enable-bluetooth      enable Bluetooth support [default=yes, if support
-                          available]
-  --enable-dbus           enable D-Bus capture support [default=yes, if
-                          support available]
+  --enable-shared         build shared libraries [default=no]
+  --enable-usb            enable nusb support [default=no]
+  --enable-bluetooth      enable Bluetooth support [default=no]
+  --enable-dbus           enable D-Bus capture support [default=no]
   --enable-packet-ring    enable Linux packet ring support [default=yes]
 
 Optional Packages:
@@ -1398,8 +1397,7 @@ Optional Packages:
   --without-gcc           don't use gcc
   --with-sita             include SITA support
   --with-pcap=TYPE        use packet capture TYPE
-  --without-libnl         disable libnl support [default=yes, on Linux, if
-                          present]
+  --without-libnl         disable libnl support [default=disabled]
   --with-dag[=DIR]        include Endace DAG support (located in directory
                           DIR, if supplied). [default=yes, if present]
   --with-dag-includes=IDIR
@@ -1427,12 +1425,6 @@ Some influential environment variables:
   CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
-  YACC        The `Yet Another Compiler Compiler' implementation to use.
-              Defaults to the first program found out of: `bison -y', `byacc',
-              `yacc'.
-  YFLAGS      The list of arguments that will be passed by default to $YACC.
-              This script will default YFLAGS to the empty string to avoid a
-              default value of `-d' given by some make applications.
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -4487,7 +4479,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4533,7 +4525,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4557,7 +4549,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4602,7 +4594,7 @@ else
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -4626,7 +4618,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     We can't simply define LARGE_OFF_T to be 9223372036854775807,
     since some C++ compilers masquerading as C compilers
     incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@@ -5741,7 +5733,7 @@ if test "${with_libnl+set}" = set; then :
 fi
 
 
-	if test x$with_libnl != xno ; then
+	if test x$with_libnl = xyes ; then
 		have_any_nl="no"
 
                 incdir=-I/usr/include/libnl3
@@ -6980,263 +6972,6 @@ $as_echo "no" >&6; }
 	fi
 fi
 
-#
-# Look for {f}lex.
-#
-for ac_prog in flex lex
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_LEX+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$LEX"; then
-  ac_cv_prog_LEX="$LEX" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_LEX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-LEX=$ac_cv_prog_LEX
-if test -n "$LEX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LEX" >&5
-$as_echo "$LEX" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$LEX" && break
-done
-test -n "$LEX" || LEX=":"
-
-if test "x$LEX" != "x:"; then
-  cat >conftest.l <<_ACEOF
-%%
-a { ECHO; }
-b { REJECT; }
-c { yymore (); }
-d { yyless (1); }
-e { /* IRIX 6.5 flex 2.5.4 underquotes its yyless argument.  */
-    yyless ((input () != 0)); }
-f { unput (yytext[0]); }
-. { BEGIN INITIAL; }
-%%
-#ifdef YYTEXT_POINTER
-extern char *yytext;
-#endif
-int
-main (void)
-{
-  return ! yylex () + ! yywrap ();
-}
-_ACEOF
-{ { ac_try="$LEX conftest.l"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$LEX conftest.l") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking lex output file root" >&5
-$as_echo_n "checking lex output file root... " >&6; }
-if ${ac_cv_prog_lex_root+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-if test -f lex.yy.c; then
-  ac_cv_prog_lex_root=lex.yy
-elif test -f lexyy.c; then
-  ac_cv_prog_lex_root=lexyy
-else
-  as_fn_error $? "cannot find output from $LEX; giving up" "$LINENO" 5
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_root" >&5
-$as_echo "$ac_cv_prog_lex_root" >&6; }
-LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root
-
-if test -z "${LEXLIB+set}"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking lex library" >&5
-$as_echo_n "checking lex library... " >&6; }
-if ${ac_cv_lib_lex+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-    ac_save_LIBS=$LIBS
-    ac_cv_lib_lex='none needed'
-    for ac_lib in '' -lfl -ll; do
-      LIBS="$ac_lib $ac_save_LIBS"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-`cat $LEX_OUTPUT_ROOT.c`
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_lex=$ac_lib
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-      test "$ac_cv_lib_lex" != 'none needed' && break
-    done
-    LIBS=$ac_save_LIBS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lex" >&5
-$as_echo "$ac_cv_lib_lex" >&6; }
-  test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether yytext is a pointer" >&5
-$as_echo_n "checking whether yytext is a pointer... " >&6; }
-if ${ac_cv_prog_lex_yytext_pointer+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  # POSIX says lex can declare yytext either as a pointer or an array; the
-# default is implementation-dependent.  Figure out which it is, since
-# not all implementations provide the %pointer and %array declarations.
-ac_cv_prog_lex_yytext_pointer=no
-ac_save_LIBS=$LIBS
-LIBS="$LEXLIB $ac_save_LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-  #define YYTEXT_POINTER 1
-`cat $LEX_OUTPUT_ROOT.c`
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_prog_lex_yytext_pointer=yes
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_save_LIBS
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_yytext_pointer" >&5
-$as_echo "$ac_cv_prog_lex_yytext_pointer" >&6; }
-if test $ac_cv_prog_lex_yytext_pointer = yes; then
-
-$as_echo "#define YYTEXT_POINTER 1" >>confdefs.h
-
-fi
-rm -f conftest.l $LEX_OUTPUT_ROOT.c
-
-fi
-if test "$LEX" = ":"; then
-	as_fn_error $? "Neither flex nor lex was found." "$LINENO" 5
-fi
-
-#
-# Make sure {f}lex supports the -P, --header-file, and --nounput flags
-# and supports processing our scanner.l.
-#
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for capable lex" >&5
-$as_echo_n "checking for capable lex... " >&6; }
-if ${tcpdump_cv_capable_lex+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if $LEX -P pcap_ --header-file=/dev/null --nounput -t $srcdir/scanner.l > /dev/null 2>&1; then
-	    tcpdump_cv_capable_lex=yes
-	else
-	    tcpdump_cv_capable_lex=insufficient
-	fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcpdump_cv_capable_lex" >&5
-$as_echo "$tcpdump_cv_capable_lex" >&6; }
-if test $tcpdump_cv_capable_lex = insufficient ; then
-	as_fn_error $? "$LEX is insufficient to compile libpcap.
- libpcap requires Flex 2.5.31 or later, or a compatible version of lex." "$LINENO" 5
-fi
-
-#
-# Look for yacc/bison/byacc.
-#
-for ac_prog in 'bison -y' byacc
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_YACC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$YACC"; then
-  ac_cv_prog_YACC="$YACC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_YACC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-YACC=$ac_cv_prog_YACC
-if test -n "$YACC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $YACC" >&5
-$as_echo "$YACC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$YACC" && break
-done
-test -n "$YACC" || YACC="yacc"
-
-
-#
-# Make sure it supports the -p flag and supports processing our
-# grammar.y.
-#
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for capable yacc/bison" >&5
-$as_echo_n "checking for capable yacc/bison... " >&6; }
-if ${tcpdump_cv_capable_yacc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if $YACC -p pcap_ -o /dev/null $srcdir/grammar.y >/dev/null 2>&1; then
-	    tcpdump_cv_capable_yacc=yes
-	else
-	    tcpdump_cv_capable_yacc=insufficient
-	fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcpdump_cv_capable_yacc" >&5
-$as_echo "$tcpdump_cv_capable_yacc" >&6; }
-if test $tcpdump_cv_capable_yacc = insufficient ; then
-	as_fn_error $? "$YACC is insufficient to compile libpcap.
- libpcap requires Bison, Berkeley YACC, or another YACC compatible with them." "$LINENO" 5
-fi
-
 #
 # Assume, by default, no support for shared libraries and V7/BSD convention
 # for man pages (file formats in section 5, miscellaneous info in section 7).
@@ -7517,7 +7252,7 @@ if test "${enable_shared+set}" = set; then :
   enableval=$enable_shared;
 fi
 
-test "x$enable_shared" = "xno" && DYEXT="none"
+test "x$enable_shared" != "xyes" && DYEXT="none"
 
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
@@ -8401,13 +8136,11 @@ ln -s ${srcdir}/bpf/net net
 
 
 
-
-
 # Check whether --enable-usb was given.
 if test "${enable_usb+set}" = set; then :
   enableval=$enable_usb;
 else
-  enable_usb=yes
+  enable_usb=no
 fi
 
 
@@ -8623,7 +8356,7 @@ fi
 if test "${enable_bluetooth+set}" = set; then :
   enableval=$enable_bluetooth;
 else
-  enable_bluetooth=ifsupportavailable
+  enable_bluetooth=no
 fi
 
 
@@ -8758,7 +8491,7 @@ fi
 if test "${enable_dbus+set}" = set; then :
   enableval=$enable_dbus;
 else
-  enable_dbus=ifavailable
+  enable_dbus=no
 fi