Allow fw env tools to be available as library

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@denx.de>
CC: Tom Rini <trini@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/tools/env/Makefile b/tools/env/Makefile
index 40164f7a35fa95340017e9a608a31702fa4a22b7..38ad118d032fa65ee9de050b7f1ea13a29840e64 100644 (file)
--- 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 $@