enable_ipv6
with_system_libpcap
with_crypto
+with_cap_ng
'
ac_precious_vars='build_alias
host_alias
available]
--with-system-libpcap don't use local pcap library
--with-crypto use OpenSSL libcrypto [default=yes, if available]
+ --with-cap-ng use libcap-ng [default=yes, if available]
Some influential environment variables:
CC C compiler command
done
if test "$ac_cv_header_net_pfvar_h" = yes; then
- LOCALSRC="print-pflog.c $LOCALSRC"
+ for ac_header in net/if_pflog.h
+do :
+ ac_fn_c_check_header_compile "$LINENO" "net/if_pflog.h" "ac_cv_header_net_if_pflog_h" "#include <sys/types.h>
+ #include <sys/socket.h>
+ #include <net/if.h>
+ #include <net/pfvar.h>
+"
+if test "x$ac_cv_header_net_if_pflog_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_NET_IF_PFLOG_H 1
+_ACEOF
+
+fi
+
+done
+
+ if test "$ac_cv_header_net_if_pflog_h" = yes; then
+ LOCALSRC="print-pflog.c $LOCALSRC"
+ fi
fi
for ac_header in netinet/if_ether.h
do :
fi
-ac_fn_c_check_func "$LINENO" "strcasecmp" "ac_cv_func_strcasecmp"
-if test "x$ac_cv_func_strcasecmp" = xyes; then :
- $as_echo "#define HAVE_STRCASECMP 1" >>confdefs.h
-
-else
- case " $LIBOBJS " in
- *" strcasecmp.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS strcasecmp.$ac_objext"
- ;;
-esac
-
-fi
-
ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
if test "x$ac_cv_func_strlcat" = xyes; then :
$as_echo "#define HAVE_STRLCAT 1" >>confdefs.h
fi
-for ac_func in pcap_findalldevs pcap_dump_flush pcap_lib_version pcap_setdirection
+#
+# Check for a miscellaneous collection of functions which we use
+# if we have them.
+#
+for ac_func in pcap_findalldevs pcap_dump_flush pcap_lib_version pcap_setdirection pcap_set_immediate_mode
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
if test "$ac_lbl_cv_pcap_version_defined" = yes ; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
$as_echo "#define HAVE_PCAP_VERSION 1" >>confdefs.h
esac
+#
+# Make sure we have a definition for C99's uintptr_t (regardless of
+# whether the environment is a C99 environment or not).
+#
+
+ ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
+if test "x$ac_cv_type_uintptr_t" = xyes; then :
+
+$as_echo "#define HAVE_UINTPTR_T 1" >>confdefs.h
+
+else
+ for ac_type in 'unsigned int' 'unsigned long int' \
+ 'unsigned long long int'; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
+test_array [0] = 0;
+return test_array [0];
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+cat >>confdefs.h <<_ACEOF
+#define uintptr_t $ac_type
+_ACEOF
+
+ ac_type=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ test -z "$ac_type" && break
+ done
+fi
+
+
+
#
# Define the old BSD specified-width types in terms of the C99 types;
# we may need them with libpcap include files.
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcast-qual option" >&5
+$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors -Wcast-qual"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wcast-qual"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
+$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors -Wshadow"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wshadow"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdeclaration-after-statement option" >&5
+$as_echo_n "checking whether the compiler supports the -Wdeclaration-after-statement option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors -Wdeclaration-after-statement"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wdeclaration-after-statement"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpedantic option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors -Wpedantic"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$save_CFLAGS"
+ V_CCOPT="$V_CCOPT -Wpedantic"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
save_CFLAGS="$CFLAGS"
fi
+# Check for libcap-ng
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use libcap-ng" >&5
+$as_echo_n "checking whether to use libcap-ng... " >&6; }
+# Specify location for both includes and libraries.
+want_libcap_ng=ifavailable
+
+# Check whether --with-cap_ng was given.
+if test "${with_cap_ng+set}" = set; then :
+ withval=$with_cap_ng;
+ if test $withval = no
+ then
+ want_libcap_ng=no
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ elif test $withval = yes
+ then
+ want_libcap_ng=yes
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+
+else
+
+ #
+ # Use libcap-ng if it's present, otherwise don't.
+ #
+ want_libcap_ng=ifavailable
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes, if available" >&5
+$as_echo "yes, if available" >&6; }
+
+fi
+
+if test "$want_libcap_ng" != "no"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for capng_change_id in -lcap-ng" >&5
+$as_echo_n "checking for capng_change_id in -lcap-ng... " >&6; }
+if ${ac_cv_lib_cap_ng_capng_change_id+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcap-ng $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char capng_change_id ();
+int
+main ()
+{
+return capng_change_id ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_cap_ng_capng_change_id=yes
+else
+ ac_cv_lib_cap_ng_capng_change_id=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_ng_capng_change_id" >&5
+$as_echo "$ac_cv_lib_cap_ng_capng_change_id" >&6; }
+if test "x$ac_cv_lib_cap_ng_capng_change_id" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBCAP_NG 1
+_ACEOF
+
+ LIBS="-lcap-ng $LIBS"
+
+fi
+
+ for ac_header in cap-ng.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "cap-ng.h" "ac_cv_header_cap_ng_h" "$ac_includes_default"
+if test "x$ac_cv_header_cap_ng_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_CAP_NG_H 1
+_ACEOF
+
+fi
+
+done
+
+fi
+
if test "$missing_includes" = "yes"; then
CPPFLAGS="$CPPFLAGS -I$srcdir/missing"
V_INCLS="$V_INCLS -I$srcdir/missing"
projects / tcpdump / blobdiff