[Buildroot] [PATCH] Makefile.legacy: fix recursive invocation with BUILDROOT_DL_DIR and _CONFIG

[Yann E. MORIN]

Arnout, All,

On 2014-02-10 22:48 +0100, Arnout Vandecappelle (Essensium/Mind) spake thusly:
> The legacy support for the old BUILDROOT_DL_DIR and BUILDROOT_CONFIG
> breaks down when make is invoked recursively - which is done in a few
> cases, e.g. silentoldconfig, external-defs, ... These targets always
> give a legacy error.
> 
> For BUILDROOT_DL_DIR, this is fixed by making sure that the original
> value of BR2_DL_DIR taken from the environment is also exported again.
> 
> For BUILDROOT_CONFIG, this is fixed with an additional comparison of
> the environment variable's value with the fake value that we introduce
> ourselves.
> 
> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>

Tested-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>

Fixes (at least):
    make graph-depends
    make PKG-graph-depends

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 223 225 172 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'