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Diffstat (limited to 'sysdeps/unix/sysv/linux/if_index.c')
-rw-r--r--sysdeps/unix/sysv/linux/if_index.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index c0ffbcedf6..36863db486 100644
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -26,6 +26,7 @@
 #include <bits/libc-lock.h>
 
 /* Try to get a socket to talk to the kernel.  */
+#if defined SIOGIFINDEX || defined SIOGIFNAME
 static int
 opensock (void)
 {
@@ -63,6 +64,7 @@ opensock (void)
   __libc_lock_unlock (lock);
   return fd;
 }
+#endif
 
 unsigned int
 if_nametoindex (const char *ifname)