--- configure.old	2001-02-25 13:07:03.000000000 +0100
+++ configure	2014-07-22 10:49:32.449242277 +0200
@@ -1573,45 +1573,12 @@ EOF
 
 fi
 
-for ac_hdr in fcntl.h syslog.h unistd.h sys/poll.h
-do
-ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1581: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1586 "configure"
-#include "confdefs.h"
-#include <$ac_hdr>
+cat >> confdefs.h <<EOF
+#define HAVE_FCNTL_H 1
+#define HAVE_SYSLOG_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_SYS_POLL_H 1
 EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1591: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=yes"
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=no"
-fi
-rm -f conftest*
-fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_hdr 1
-EOF
- 
-else
-  echo "$ac_t""no" 1>&6
-fi
-done
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
@@ -1729,39 +1696,6 @@ EOF
  ;;
 esac
 
-echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1734: checking for size_t" >&5
-if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1739 "configure"
-#include "confdefs.h"
-#include <sys/types.h>
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif
-EOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
-  rm -rf conftest*
-  ac_cv_type_size_t=yes
-else
-  rm -rf conftest*
-  ac_cv_type_size_t=no
-fi
-rm -f conftest*
-
-fi
-echo "$ac_t""$ac_cv_type_size_t" 1>&6
-if test $ac_cv_type_size_t = no; then
-  cat >> confdefs.h <<\EOF
-#define size_t unsigned
-EOF
-
-fi
-
 ##AC_CHECK_TYPE(socklen_t, unsigned) # doesn't search <sys/socket.h>
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
 echo "configure:1768: checking for socklen_t" >&5