On 18/12/10 16:35, Jan Engelhardt wrote:
> 
> On Saturday 2010-12-18 13:40, Pablo Neira Ayuso wrote:
>> On 18/12/10 06:23, Rob Sterenborg (lists) wrote:
>>> On Fri, 2010-12-17 at 15:20 +0100, Pablo Neira Ayuso wrote:
>>>> Hi!
>>>>
>>>> The Netfilter project presents libmnl-1.0.0
>>>
>>> Hi,
>>>
>>> I have a CentOS 5.5 base with a 2.6.36.2 kernel installed. When
>>> compiling libmnl I got these errors:
>>>
>>> nlmsg.c: In function 'mnl_nlmsg_fprintf_payload':
>>> nlmsg.c:274: error: 'NLA_TYPE_MASK' undeclared (first use in this
>>> function)
>>> nlmsg.c:274: error: (Each undeclared identifier is reported only once
>>> nlmsg.c:274: error: for each function it appears in.)
>>> nlmsg.c:290: error: 'NLA_F_NESTED' undeclared (first use in this
>>> function)
>>> nlmsg.c:292: error: 'NLA_F_NET_BYTEORDER' undeclared (first use in this
>>> function)
>>> make: *** [nlmsg.lo] Error 1
>>>
>>> NLA_TYPE_MASK is used in nlmsg.c and attr.c. Searching I found that it
>>> should be defined in linux/netlink.h but it's not there.
>>
>> I'd appreciate if you can guess what version of the kernel header files
>> you're using (CentOS uses a mutant Linux kernel 2.6.18, right?).
> 
> NLA_F_NESTED et al are available starting with 2.6.24.

I think that this approach (see patch) is safe to fix this problem.

Rob, would you give it a test?