--- configure.in.orig
+++ configure.in
@@ -27,7 +27,9 @@ AM_CONDITIONAL(FREEBSD, test x$os = xfre
 dnl Checks for programs.
 AC_PREREQ(2.52)
 AC_PROG_AWK
-AC_PROG_CC
+AC_PROG_CC_STDC
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
 AC_LIBLTDL_CONVENIENCE
 AM_PROG_LIBTOOL
 AC_SUBST(LIBTOOL_DEPS)  
@@ -61,7 +63,9 @@ AC_SUBST(EXPAT_LIBS)
 
 dnl libcurl check
 AC_CHECK_LIB(curl, curl_global_init,
-	[CURL_LIBS="-lcurl"], [
+	[CURL_LIBS="-lcurl"
+	AC_CHECK_HEADERS([curl/types.h])
+	], [
 	echo "*"
 	echo "*  libcurl is needed to build this library. It is either not"
 	echo "*  installed on your system or it is too old."

*** examples/protocol.cpp.orig	2011-12-10 16:26:53.000000000 +0100
--- examples/protocol.cpp	2011-12-10 16:30:15.000000000 +0100
***************
*** 6,11 ****
--- 6,12 ----
     No rights reserved.
  
  -------------------------------------------------------------------*/
+ #include "config.h"
  #include <string.h>
  #include <stdio.h>
  #include <stdlib.h>
***************
*** 13,19 ****
--- 14,22 ----
  #include <map>
  #include <expat.h>
  #include <curl/curl.h>
+ #ifdef HAVE_CURL_TYPES_H
  #include <curl/types.h>
+ #endif
  #include <curl/easy.h>
  
  using namespace std;