[U-Boot] [PATCH 2/2] tools/kwbimage.c: fix build on darwin

[Anatolij Gustschin <agust@denx.de>]

On Fri, 24 Oct 2014 23:39:11 +0200
andreas.devel at googlemail.com wrote:

> From: Andreas Bie?mann <andreas.devel@googlemail.com>
> 
> kwbimage uses get_current_dir_name(3) which is a gnu extension and not
> available on darwin host. Fix this by converting to portable getcwd(3)
> function.
> 
> This patch fixes the following error:
> ---8<---
>   HOSTCC  tools/kwbimage.o
> tools/kwbimage.c:399:16: warning: implicit declaration of function 'get_current_dir_name' is invalid in C99 [-Wimplicit-function-declaration]
>                         char *cwd = get_current_dir_name();
>                                     ^
> tools/kwbimage.c:399:10: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
>                         char *cwd = get_current_dir_name();
>                               ^     ~~~~~~~~~~~~~~~~~~~~~~
> 2 warnings generated.
> ...
> Undefined symbols for architecture x86_64:
>   "_get_current_dir_name", referenced from:
>       _image_headersz_v1 in kwbimage.o
> ld: symbol(s) not found for architecture x86_64
> --->8---
> 
> Signed-off-by: Andreas Bie?mann <andreas.devel@googlemail.com>
> Cc: Stefan Roese <sr@denx.de>
> 
> ---
> 
>  tools/kwbimage.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Applied to u-boot-staging. Thanks!

Anatolij