Another AC_TRY_LINK conversion to AC_LINK_IFELSE.

)

AC_CHECK_FUNCS( bitncmp \

AC_CHECK_FUNCS([bitncmp \

  gettimeofday \

                if_indextoname,

dnl if found

[],

dnl if not found, $ac_func is the name we check for

  if_indextoname

],[

],[

  func="$ac_func"

  AC_MSG_CHECKING([deeper for $func])

AC_TRY_LINK( [],

             [ $func ();],

             AC_MSG_RESULT(yes!)

  AC_LINK_IFELSE([

    AC_LANG_PROGRAM([[

    ]],[[

      $func ();

    ]])

  ],[

    AC_MSG_RESULT([yes])

    eval "ac_cv_func_$func=yes"

             def=`echo "HAVE_$func" | tr 'a-z' 'A-Z'`

             AC_DEFINE_UNQUOTED($def, 1, [If you have $func]),

             AC_MSG_RESULT(but still no)

             )

)

    AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$func])], [1],

      [Define to 1 if you have the $func function.])

  ],[

    AC_MSG_RESULT([but still no])

  ])

])

dnl check for inet_pton