From 7a32b98dacfa2da6dace2ae1d9eff08932eec61a Mon Sep 17 00:00:00 2001
From: Lei Wen <adrian.wenl@gmail.com>
Date: Fri, 28 Sep 2012 04:26:44 +0000
Subject: lib: zlib: include deflate into zlib build

Add a new config CONFIG_GZIP_ENABLED, if enabled, the uboot bin would
include zlib's deflate method which could be used for compressing.

Signed-off-by: Lei Wen <leiwen@marvell.com>
---
 lib/zlib/zutil.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/zlib/zutil.h')

diff --git a/lib/zlib/zutil.h b/lib/zlib/zutil.h
index 114cb74..7e05c3b 100644
--- a/lib/zlib/zutil.h
+++ b/lib/zlib/zutil.h
@@ -83,6 +83,10 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 /* The minimum and maximum match lengths */
 
 	 /* functions */
+#ifdef CONFIG_GZIP_COMPRESSED
+#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
+#  define OS_CODE  0x03  /* assume Unix */
+#endif
 
 #include <linux/string.h>
 #define zmemcpy memcpy
-- 
cgit v1.1