--- config.h.in	2004-12-13 01:28:05.000000000 +0100
+++ config.h.in	2010-02-28 14:29:47.000000000 +0100
@@ -5,8 +5,6 @@
 #undef u_int64_t
 #undef u_int8_t
 
-#undef in_addr_t
-
 #undef SYSCONFDIR
 #undef LIBDIR
 
@@ -128,9 +126,6 @@
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const
 
-/* Define to `unsigned long' if <sys/types.h> does not define. */
-#undef in_addr_t
-
 /* Define to `int' if <sys/types.h> does not define. */
 #undef pid_t
 
--- acconfig.h	2004-12-13 01:27:56.000000000 +0100
+++ acconfig.h	2010-02-28 14:28:23.000000000 +0100
@@ -4,8 +4,6 @@
 #undef u_int64_t
 #undef u_int8_t
 
-#undef in_addr_t
-
 #undef SYSCONFDIR
 #undef LIBDIR
 
--- configure.in	2005-01-08 21:19:38.000000000 +0100
+++ configure.in	2010-02-28 14:28:35.000000000 +0100
@@ -67,7 +67,6 @@
 AC_CHECK_TYPE(u_int32_t, unsigned int)
 AC_CHECK_TYPE(u_int16_t, unsigned short)
 AC_CHECK_TYPE(u_int8_t, unsigned char)
-AC_CHECK_TYPE(in_addr_t, unsigned long)
 
 dnl Checks for library functions.
 AC_PROG_GCC_TRADITIONAL
--- configure	2005-01-08 21:20:06.000000000 +0100
+++ configure	2010-02-28 14:30:45.000000000 +0100
@@ -20237,73 +20237,6 @@
 
 fi
 
-echo "$as_me:$LINENO: checking for in_addr_t" >&5
-echo $ECHO_N "checking for in_addr_t... $ECHO_C" >&6
-if test "${ac_cv_type_in_addr_t+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if ((in_addr_t *) 0)
-  return 0;
-if (sizeof (in_addr_t))
-  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_type_in_addr_t=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_type_in_addr_t=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: $ac_cv_type_in_addr_t" >&5
-echo "${ECHO_T}$ac_cv_type_in_addr_t" >&6
-if test $ac_cv_type_in_addr_t = yes; then
-  :
-else
-
-cat >>confdefs.h <<_ACEOF
-#define in_addr_t unsigned long
-_ACEOF
-
-fi
-
-
 if test $ac_cv_c_compiler_gnu = yes; then
     echo "$as_me:$LINENO: checking whether $CC needs -traditional" >&5
 echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6