Huge commit: 1.5.0, XML validation, Xpath, bugfixes, examples .... Daniel
diff --git a/acconfig.h b/acconfig.h
index e89b2af..6d79490 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -1,3 +1,6 @@
 #undef PACKAGE
 #undef VERSION
 #undef HAVE_LIBZ
+#undef HAVE_LIBM
+#undef HAVE_ISINF
+#undef HAVE_ISNAN