+AC_MSG_CHECKING([XML-Security version])
+AC_PREPROC_IFELSE(
+ [AC_LANG_PROGRAM([#include <xsec/utils/XSECPlatformUtils.hpp>],
+ [#if XSEC_VERSION_MAJOR > 1 || (XSEC_VERSION_MAJOR == 1 && XSEC_VERSION_MEDIUM > 3) || (XSEC_VERSION_MAJOR == 1 && XSEC_VERSION_MEDIUM == 3 && XSEC_VERSION_MINOR > 0)
+int i = 0;
+#else
+#error need version 1.3.1 or later
+#endif])],
+ [AC_MSG_RESULT(OK)],
+ [AC_MSG_FAILURE([XML-Security version 1.3.1 or greater is required.])])