[U-Boot] [PATCH v8 21/31] Makefile: Move SHELL setup to config.mk

[Tom Rini]

On Fri, Mar 01, 2013 at 01:10:30PM +0100, Beno??t Th??baudeau wrote:

> make never uses the SHELL variable from the environment. Instead, it
> uses /bin/sh, or the value assigned to the SHELL variable by the Makefile. This
> makes the export of the SHELL variable useless for sub-makes (but still useful
> for the environment of recipes). However, we want all makes to use the same
> shell.
> 
> This patch fixes this issue by moving the SHELL variable setup and export to the
> top config.mk, so that all Makefile-s including it use the same shell.
> 
> Since BASH is used by default, this makes it possible to use things
> like 'echo -e ...' in sub-makes, which would otherwise fail e.g. with /bin/sh
> symlinked to /bin/dash on Ubuntu.
> 
> Signed-off-by: Beno??t Th??baudeau <benoit.thebaudeau at advansee.com>

Reviewed-by: Tom Rini <trini at ti.com>

-- 
Tom
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