Re: iproute2 won't compile without AF_VSOCK

[David Ahern <dsahern@gmail.com>]

On 6/19/18 2:27 PM, David Ahern wrote:
> On 6/19/18 9:47 AM, Stephen Hemminger wrote:
>> On Tue, 19 Jun 2018 10:17:45 -0500
>> Steve Wise <swise@opengridcomputing.com> wrote:
>>
>>> Hey David,
>>>
>>> I'm trying to compile the latest iproute2 on an RHEL-7.3 distro, and it
>>> fails to compile because AF_VSOCK is not defined.  Should this
>>> functionality be a configure option to disable it on older distros?
>>>
>>>
>>> Thanks,
>>>
>>> Steve.
>>>
>>> ----
>>>
>>> misc
>>>     CC       ss.o
>>> ss.c:301:27: error: ‘AF_VSOCK’ undeclared here (not in a function)
>>>    .families = FAMILY_MASK(AF_VSOCK),
>>>                            ^
>>> ss.c:252:46: note: in definition of macro ‘FAMILY_MASK’
>>>  #define FAMILY_MASK(family) ((uint64_t)1 << (family))
>>>                                               ^
>>> ss.c:334:2: error: array index in initializer not of integer type
>>>   [AF_VSOCK] = {
>>>   ^
>>> ss.c:334:2: error: (near initialization for ‘default_afs’)
>>> make[1]: *** [ss.o] Error 1
>>> make: *** [all] Error 2
>>>
>>
>> Probably should just add an #ifdef to takeout that if not present
>>
> 
> Most userspace tools have a compat header for cases like this.
> 
> #ifndef AF_VSOCK
> #define AF_VSOCK 	40
> #endif
> 

Add the above to include//utils.h; AF_MPLS is already there.