For example, CentOS 6 kernel-headers-2.6.32-573.18.1.el6.x86_64
linux/netfilter_ipv4.h does not include limits.h and results in this
build error.
CC net/proto-ipv4.o
In file included from /usr/include/linux/netfilter_ipv4/ip_tables.h:20,
from net/proto-ipv4.c:12:
/usr/include/linux/netfilter_ipv4.h:53: error: ‘INT_MIN’ undeclared here (not in a function)
/usr/include/linux/netfilter_ipv4.h:64: error: ‘INT_MAX’ undeclared here (not in a function)
This was fixed in upstream 3.2 598aaff2ee05c91728e5845956dd9754ed04315c.
commit 598aaff2ee05c91728e5845956dd9754ed04315c
Author: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Date: Wed Aug 24 18:45:36 2011 +0000
headers, netfilter: Add missing #include <limits.h> for userland
Various headers use INT_MIN and INT_MAX, which are defined for
userland in <limits.h>.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Acked-by: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Vinson Lee <vlee@xxxxxxxxxxxxxxx>
---
net/proto-ipv4.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/net/proto-ipv4.c b/net/proto-ipv4.c
index 0be0263..be24d37 100644
--- a/net/proto-ipv4.c
+++ b/net/proto-ipv4.c
@@ -9,6 +9,7 @@
#include <arpa/inet.h>
#include <linux/mroute.h>
#include <linux/if.h>
+#include <limits.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_arp/arp_tables.h>
--
1.7.1
--
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