Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/base/os_compat_nacl.cc b/base/os_compat_nacl.cc
new file mode 100644
index 0000000..58fe93e
--- /dev/null
+++ b/base/os_compat_nacl.cc
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/os_compat_nacl.h"
+
+#include <stdlib.h>
+#include <time.h>
+
+#if !defined (__GLIBC__)
+
+extern "C" {
+// Native Client has no timegm().
+time_t timegm(struct tm* tm) {
+  time_t ret;
+  char* tz;
+  tz = getenv("TZ");
+  setenv("TZ", "", 1);
+  tzset();
+  ret = mktime(tm);
+  if (tz)
+    setenv("TZ", tz, 1);
+  else
+    unsetenv("TZ");
+  tzset();
+  return ret;
+}
+}  // extern "C"
+
+#endif  // !defined (__GLIBC__)