link_addr detection in configure always reports that
link_addr is missing because it uses link_addr(NULL, NULL) in
AC_LINK_IFELSE check with limited set of headers that doesn't
define NULL.
Fix by replacing 'NULL' with just '0'.
---
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 27531a1..cc9942a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2401,7 +2401,7 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM(
#include <net/if_dl.h>
]],
[[
- link_addr(NULL, NULL)]])],
+ link_addr(0, 0)]])],
[AC_DEFINE([HAVE_DECL_LINK_ADDR],
[1],
[whether link_addr is available])])
--
1.7.11.5
--
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