[U-Boot] [PATCH] Allow fw env tools to be available as library

[Stefano Babic]

Sometimes it can be useful to link the fw_ tools instead
of having the fw_setenv/fw_printenv installed.
Patch exports the tool as library and allowes to link it
with own programs.

Signed-off-by: Stefano Babic <sbabic at denx.de>
CC: Tom Rini <trini at konsulko.com>
---
 tools/env/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/env/Makefile b/tools/env/Makefile
index 40164f7..38ad118 100644
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -23,10 +23,12 @@ endif
 always := fw_printenv
 hostprogs-y := fw_printenv
 
-fw_printenv-objs := fw_env.o fw_env_main.o \
+lib-y += fw_env.o \
 	crc32.o ctype.o linux_string.o \
 	env_attr.o env_flags.o aes.o
 
+fw_printenv-objs := fw_env_main.o $(lib-y)
+
 quiet_cmd_crosstools_strip = STRIP   $^
       cmd_crosstools_strip = $(STRIP) $^; touch $@
 
-- 
1.9.1