+/* HAS_BUILTIN_CHOOSE_EXPR:
+ * Can we handle GCC builtin for compile-time ternary-like expressions
+ */
+/* HAS_BUILTIN_EXPECT:
+ * Can we handle GCC builtin for telling that certain values are more
+ * likely
+ */
+/*#define HAS_BUILTIN_EXPECT / **/
+/*#define HAS_BUILTIN_CHOOSE_EXPR /**/
+
+/* HAS_CLEARENV:
+ * This symbol, if defined, indicates that the clearenv () routine is
+ * available for use.
+ */
+/*#define HAS_CLEARENV /**/
+