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-rwxr-xr-xconfigure.ac6
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 9f18bd39..e679632f 100755
--- a/configure.ac
+++ b/configure.ac
@@ -931,6 +931,12 @@ if test -r /proc/net/if_inet6; then
fi
AC_SUBST(IF_PROC)
+if test -r /proc/sys/net/ipv4/conf; then
+ AC_DEFINE(HAVE_PROC_NET_IPV4_CONF,,/proc/sys/net/ipv4/conf)
+ LINK_DETECT=if_linkdetect.o
+fi
+AC_SUBST(LINK_DETECT)
+
dnl -----------------------------
dnl check ipforward detect method
dnl -----------------------------