iphlpapi: Check for ifr_hwaddr member of struct ifreq.

configure

@@ -13429,6 +13429,23 @@ _ACEOF
 fi
 
 
+ac_fn_c_check_member "$LINENO" "struct ifreq" "ifr_hwaddr" "ac_cv_member_struct_ifreq_ifr_hwaddr" "#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_NET_IF_H
+# include <net/if.h>
+#endif
+"
+if test "x$ac_cv_member_struct_ifreq_ifr_hwaddr" = x""yes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_IFREQ_IFR_HWADDR 1
+_ACEOF
+
+
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for timezone variable" >&5
 $as_echo_n "checking for timezone variable... " >&6; }
 if test "${ac_cv_have_timezone+set}" = set; then :

configure.ac

@@ -2047,6 +2047,15 @@ AC_CHECK_MEMBERS([struct icmpstat.icps_outhist],,,
 #include <netinet/icmp_var.h>
 #endif])
 
+dnl Check for struct ifreq.ifr_hwaddr
+AC_CHECK_MEMBERS([struct ifreq.ifr_hwaddr],,,
+[#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_NET_IF_H
+# include <net/if.h>
+#endif])
+
 dnl Check for the external timezone variables timezone and daylight
 AC_CACHE_CHECK([for timezone variable], ac_cv_have_timezone,
                AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[timezone = 1]])],[ac_cv_have_timezone="yes"],[ac_cv_have_timezone="no"]))

dlls/iphlpapi/ifenum.c

@@ -298,7 +298,7 @@ static DWORD getInterfaceMaskByName(const char *name)
   return ret;
 }
 
-#if defined (SIOCGIFHWADDR)
+#if defined (SIOCGIFHWADDR) && defined (HAVE_STRUCT_IFREQ_IFR_HWADDR)
 static DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
  PDWORD type)
 {

include/config.h.in

@@ -777,6 +777,9 @@
 /* Define to 1 if `icps_outhist' is a member of `struct icmpstat'. */
 #undef HAVE_STRUCT_ICMPSTAT_ICPS_OUTHIST
 
+/* Define to 1 if `ifr_hwaddr' is a member of `struct ifreq'. */
+#undef HAVE_STRUCT_IFREQ_IFR_HWADDR
+
 /* Define to 1 if `msg_accrights' is a member of `struct msghdr'. */
 #undef HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS