提交 7e120829 编写于 作者: R Roman Bogorodskiy 提交者: Martin Kletzander

Fix link_addr detection

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'.
上级 b4a40dd9
...@@ -2401,7 +2401,7 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM( ...@@ -2401,7 +2401,7 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM(
#include <net/if_dl.h> #include <net/if_dl.h>
]], ]],
[[ [[
link_addr(NULL, NULL)]])], link_addr(0, 0)]])],
[AC_DEFINE([HAVE_DECL_LINK_ADDR], [AC_DEFINE([HAVE_DECL_LINK_ADDR],
[1], [1],
[whether link_addr is available])]) [whether link_addr is available])])
......
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