Use the new debugging routines in libpcap.

[tcpdump] / configure.in

diff --git a/configure.in b/configure.in
index 0fb86a7a7b3d2a424a3576fcf42a879ec011dfb4..8ceb46bbad9eb1ef1c6dbcb1b7edd7755a79f85a 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -644,39 +644,51 @@ if test $ac_cv_func_pcap_lib_version = "no" ; then
        AC_MSG_RESULT(no)
     fi
 fi
-AC_MSG_CHECKING(whether pcap_debug is defined by libpcap)
-AC_TRY_LINK([],
-   [
-       extern int pcap_debug;
-
-       return pcap_debug;
-   ],
-   ac_lbl_cv_pcap_debug_defined=yes,
-   ac_lbl_cv_pcap_debug_defined=no)
-if test "$ac_lbl_cv_pcap_debug_defined" = yes ; then
-       AC_MSG_RESULT(yes)
-       AC_DEFINE(HAVE_PCAP_DEBUG, 1, [define if libpcap has pcap_debug])
-else
-       AC_MSG_RESULT(no)
-       #
-       # OK, what about "yydebug"?
+
+#
+# Check for special debugging functions
+#
+AC_CHECK_FUNCS(pcap_set_parser_debug)
+if test "$ac_cv_func_pcap_set_parser_debug" = "no" ; then
        #
-       AC_MSG_CHECKING(whether yydebug is defined by libpcap)
+       # OK, we don't have pcap_set_parser_debug() to set the libpcap
+       # filter expression parser debug flag; can we directly set the
+       # flag?
+       AC_MSG_CHECKING(whether pcap_debug is defined by libpcap)
        AC_TRY_LINK([],
           [
-               extern int yydebug;
+               extern int pcap_debug;
 
-               return yydebug;
+               return pcap_debug;
           ],
-          ac_lbl_cv_yydebug_defined=yes,
-          ac_lbl_cv_yydebug_defined=no)
-       if test "$ac_lbl_cv_yydebug_defined" = yes ; then
+          ac_lbl_cv_pcap_debug_defined=yes,
+          ac_lbl_cv_pcap_debug_defined=no)
+       if test "$ac_lbl_cv_pcap_debug_defined" = yes ; then
                AC_MSG_RESULT(yes)
-               AC_DEFINE(HAVE_YYDEBUG, 1, [define if libpcap has yydebug])
+               AC_DEFINE(HAVE_PCAP_DEBUG, 1, [define if libpcap has pcap_debug])
        else
                AC_MSG_RESULT(no)
+               #
+               # OK, what about "yydebug"?
+               #
+               AC_MSG_CHECKING(whether yydebug is defined by libpcap)
+               AC_TRY_LINK([],
+                  [
+                       extern int yydebug;
+
+                       return yydebug;
+                  ],
+                  ac_lbl_cv_yydebug_defined=yes,
+                  ac_lbl_cv_yydebug_defined=no)
+               if test "$ac_lbl_cv_yydebug_defined" = yes ; then
+                       AC_MSG_RESULT(yes)
+                       AC_DEFINE(HAVE_YYDEBUG, 1, [define if libpcap has yydebug])
+               else
+                       AC_MSG_RESULT(no)
+               fi
        fi
 fi
+AC_CHECK_FUNCS(pcap_set_optimizer_debug)
 AC_REPLACE_FUNCS(bpf_dump)     dnl moved to libpcap in 0.6
 
 V_GROUP=0