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diff --git a/cmulocal/sasl2.m4 b/cmulocal/sasl2.m4
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index 3c2841a..b086b8f 100644
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--- a/cmulocal/sasl2.m4
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+++ b/cmulocal/sasl2.m4
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@@ -269,6 +269,18 @@ if test "$gssapi" != no; then
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   cmu_save_LIBS="$LIBS"
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   LIBS="$LIBS $GSSAPIBASE_LIBS"
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   AC_CHECK_FUNCS(gsskrb5_register_acceptor_identity)
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+  if test "$ac_cv_func_gsskrb5_register_acceptor_identity" = no ; then
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+    AC_CHECK_HEADERS(gssapi/gssapi_krb5.h)
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+    if test "$ac_cv_header_gssapi_gssapi_krb5_h" = "yes"; then
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+      AC_CHECK_DECL(gsskrb5_register_acceptor_identity,
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+                    [AC_DEFINE(HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY,1,
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+                               [Define if your GSSAPI implementation defines gsskrb5_register_acceptor_identity])],,
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+                    [
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+                    AC_INCLUDES_DEFAULT
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+                    #include <gssapi/gssapi_krb5.h>
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+                    ])
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+    fi
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+  fi
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   AC_CHECK_FUNCS(gss_decapsulate_token)
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   AC_CHECK_FUNCS(gss_encapsulate_token)
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   AC_CHECK_FUNCS(gss_oid_equal)
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diff --git a/plugins/gssapi.c b/plugins/gssapi.c
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index 6be9d23..e6fcf46 100644
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--- a/plugins/gssapi.c
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+++ b/plugins/gssapi.c
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@@ -51,6 +51,8 @@
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 #include <gssapi/gssapi.h>
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 #endif
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+#include <gssapi/gssapi_krb5.h>
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+
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 #ifdef WIN32
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 #  include <winsock2.h>
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