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pimd: supply VIFF_USE_IFINDEX definition

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This fixes compilation if the system libc doesn't have VIFF_USE_IFINDEX.
It'll still break runtime if the kernel is older than 2.6.32.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2016-07-27 20:02:54 +02:00 committed by Donald Sharp
parent 355cf2a71a
commit e62d0e2535
1 changed files with 13 additions and 0 deletions
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13
pimd/pim_iface.c
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@ -41,6 +41,19 @@
#include "pim_time.h"
#include "pim_ssmpingd.h"
#ifndef VIFF_USE_IFINDEX
# ifdef linux
/* make it work compile-time - whether it works runtime depends on the user
* having 2.6.32 or newer */
# define VIFF_USE_IFINDEX 0x8
# else
# error no VIFF_USE_IFINDEX on this system, code needs porting
/* NB: without VIFF_USE_IFINDEX, the local IP address is used to identify
* interfaces, which means it's impossible to support multiple interfaces that
* have the same or no IP address (e.g. unnumbered) */
# endif
#endif
struct interface *pim_regiface = NULL;
static void pim_if_igmp_join_del_all(struct interface *ifp);