Attachment #2618 for bug #2259

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Lines 3938-3944 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ Link Here

(-)a/configure.ac (-1 / +4 lines)
3938	#include <arpa/nameser.h>	3938	#include <arpa/nameser.h>
3939	#include <resolv.h>	3939	#include <resolv.h>
3940	extern struct __res_state _res;	3940	extern struct __res_state _res;
3941	]], [[ ]])],	3941	]], [[
		3942	struct __res_state volatile p = &_res; / force resolution of _res */
		3943	return 0;
		3944	]],)],
3942	[AC_MSG_RESULT([yes])	3945	[AC_MSG_RESULT([yes])
3943	AC_DEFINE([HAVE__RES_EXTERN], [1],	3946	AC_DEFINE([HAVE__RES_EXTERN], [1],
3944	[Define if you have struct __res_state _res as an extern])	3947	[Define if you have struct __res_state _res as an extern])

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