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tools: Fix build issue with missing _GNU_SOURCE

CC       tools/probe-req.o
tools/probe-req.c: In function ‘get_interface_callback’:
tools/probe-req.c:122:22: error: storage size of ‘ifr’ isn’t known
  122 |         struct ifreq ifr;
      |                      ^~~
tools/probe-req.c:155:42: error: ‘IFF_UP’ undeclared (first use in this function)
  155 |         if (r == -1 || !(ifr.ifr_flags & IFF_UP))
      |                                          ^~~~~~
tools/probe-req.c:155:42: note: each undeclared identifier is reported only once for each function it appears in
tools/probe-req.c:122:22: error: unused variable ‘ifr’ [-Werror=unused-variable]
  122 |         struct ifreq ifr;
      |                      ^~~
This commit is contained in:
Marcel Holtmann 2026-02-10 16:53:59 +01:00
parent 6116554d63
commit 98d5015916

View File

@ -24,6 +24,7 @@
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>