Limit the maximal range of consecutive elements to add/delete

[thirdparty/ipset.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7bb02c3548d04470f1b9ec4e409ec76cc0e4b6d3..eb6c3344d13860266fbe326da529da83984b1268 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,7 @@ AC_CONFIG_HEADER([config.h])
 AM_INIT_AUTOMAKE([foreign subdir-objects tar-pax])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
+AC_PROG_LN_S
 AC_ENABLE_STATIC
 LT_INIT([dlopen])
 LT_CONFIG_LTDL_DIR([libltdl])
@@ -806,6 +807,36 @@ else
        AC_SUBST(HAVE_NFNL_INFO_IN_NFNL_CALLBACK, undef)
 fi
 
+AC_MSG_CHECKING([kernel source for enum nfnl_callback_type])
+if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
+   $GREP -q 'enum nfnl_callback_type ' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
+       AC_MSG_RESULT(yes)
+       AC_SUBST(HAVE_NFNL_CALLBACK_TYPE, define)
+else
+       AC_MSG_RESULT(no)
+       AC_SUBST(HAVE_NFNL_CALLBACK_TYPE, undef)
+fi
+
+AC_MSG_CHECKING([kernel source of handling -EAGAIN in nfnetlink_unicast])
+if test -f $ksourcedir/net/netfilter/nfnetlink.c && \
+   $AWK '/nfnetlink_unicast\(/,/^}/' $ksourcedir/net/netfilter/nfnetlink.c | $GREP -q 'err == -EAGAIN'; then
+       AC_MSG_RESULT(yes)
+       AC_SUBST(HAVE_EAGAIN_IN_NFNETLINK_UNICAST, define)
+else
+       AC_MSG_RESULT(no)
+       AC_SUBST(HAVE_EAGAIN_IN_NFNETLINK_UNICAST, undef)
+fi
+
+AC_MSG_CHECKING([kernel source for nlmsg_unicast which returns zero in case of success])
+if test -f $ksourcedir/include/net/netlink.h && \
+   $AWK '/static inline int nlmsg_unicast\(/,/^}/' $ksourcedir/include/net/netlink.h | $GREP -q 'err > 0'; then
+       AC_MSG_RESULT(yes)
+       AC_SUBST(HAVE_NLMSG_UNICAST, define)
+else
+       AC_MSG_RESULT(no)
+       AC_SUBST(HAVE_NLMSG_UNICAST, undef)
+fi
+
 AC_MSG_CHECKING([kernel source for kvzalloc() in mm.h])
 if test -f $ksourcedir/include/linux/mm.h && \
    $GREP -q 'static inline void \*kvzalloc(' $ksourcedir/include/linux/mm.h; then