diff --git a/Makefile b/Makefile
index 1575f3a..5e83c57 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,12 @@
-# Copyright (C) 2010 The Chromium OS Authors. All rights reserved.
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 CFLAGS += -Wall -Werror
+
+# Support large files and major:minor numbers
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
+
 OUT = $(CURDIR)
 $(shell mkdir -p $(OUT))