diff -c --ignore-all-space src.orig/ne_utils.c src/ne_utils.c
*** src.orig/ne_utils.c	2009-11-11 09:28:58.000000000 +0100
--- src/ne_utils.c	2009-11-11 09:51:45.000000000 +0100
***************
*** 118,123 ****
--- 118,126 ----
  #ifdef HAVE_GNUTLS
      ", GNU TLS " LIBGNUTLS_VERSION
  #endif /* HAVE_GNUTLS */
+ #ifdef HAVE_SSPI
+     ", SSPI"
+ #endif /* HAVE_SSPI */
     "."
  ;
  
***************
*** 137,143 ****
      switch (feature) {
  #if defined(NE_HAVE_SSL) || defined(NE_HAVE_ZLIB) || defined(NE_HAVE_IPV6) \
      || defined(NE_HAVE_SOCKS) || defined(NE_HAVE_LFS) \
!     || defined(NE_HAVE_TS_SSL) || defined(NE_HAVE_I18N)
  #ifdef NE_HAVE_SSL
      case NE_FEATURE_SSL:
  #endif
--- 140,146 ----
      switch (feature) {
  #if defined(NE_HAVE_SSL) || defined(NE_HAVE_ZLIB) || defined(NE_HAVE_IPV6) \
      || defined(NE_HAVE_SOCKS) || defined(NE_HAVE_LFS) \
!     || defined(NE_HAVE_TS_SSL) || defined(NE_HAVE_I18N) || defined(HAVE_SSPI)
  #ifdef NE_HAVE_SSL
      case NE_FEATURE_SSL:
  #endif
***************
*** 159,164 ****
--- 162,170 ----
  #ifdef NE_HAVE_I18N
      case NE_FEATURE_I18N:
  #endif
+ #ifdef HAVE_SSPI
+     case NE_FEATURE_SSPI:
+ #endif
          return 1;
  #endif /* NE_HAVE_* */
      default:
diff -c --ignore-all-space src.orig/ne_utils.h src/ne_utils.h
*** src.orig/ne_utils.h	2009-11-11 09:28:58.000000000 +0100
--- src/ne_utils.h	2009-11-11 09:49:36.000000000 +0100
***************
*** 54,59 ****
--- 54,60 ----
  #define NE_FEATURE_SOCKS (5) /* SOCKSv5 support */
  #define NE_FEATURE_TS_SSL (6) /* Thread-safe SSL/TLS support */
  #define NE_FEATURE_I18N (7) /* i18n error message support */
+ #define NE_FEATURE_SSPI (8) /* NTLM/Negotiate authentication protocol via SSPI */
  
  /* Returns non-zero if library is built with support for the given
   * NE_FEATURE_* feature code 'code'. */