+2013-05-22 Yao Qi <yao@codesourcery.com>
+
+ * configure.in: Invoke AC_CANONICAL_BUILD.
+ Change $host_os to $build_os.
+ * configure: Regenerated.
+
2012-10-18 Joel Brobecker <brobecker@adacore.com>
* terminal.c: Remove duplicate includes of windows.h and