[U-Boot] [PATCH v2] Make linking against libgcc configurable

[Wolfgang Denk]

In message <1248347759-28119-1-git-send-email-wd at denx.de> you wrote:
> Many (especially ARM) tool chains seem to come with broken or
> otherwise unusable (for the purposes of builing U-Boot) run-time
> support libraries `libgcc.a'. By using the "USE_PRIVATE_LIBGCC"
> setting we allow to use alternative libraries instead.
> 
> "USE_PRIVATE_LIBGCC" can either be set as an environment variable in
> the shell, or as a command line argument when running "make", i. e.
> 	$ make USE_PRIVATE_LIBGCC=yes
> or
> 	$ USE_PRIVATE_LIBGCC=yes
> 	$ export USE_PRIVATE_LIBGCC
> 	$ make
> 
> The value of "USE_PRIVATE_LIBGCC" is the name of the directory which
> contains the alternative run-time support library `libgcc.a'. The
> special value "yes" selects the directory $(OBJTREE)/lib_$(ARCH) .
> 
> Note that not all architectures provide an alternative `libgcc.a' in
> their lib_$(ARCH) directories - so far, only ARM does.
> 
> Signed-off-by: Wolfgang Denk <wd at denx.de>
> Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> Cc: Prafulla Wadaskar <prafulla at marvell.com>
> cc: Stefan Roese <sr at denx.de>
> ---
> v2: Removed crap left over from testing.
> 
>  Makefile            |   12 +++++++++++-
>  board/trab/Makefile |    4 +---
>  lib_arm/Makefile    |   30 ++++++++++++++++++++++--------
>  3 files changed, 34 insertions(+), 12 deletions(-)

Applied.

Best regards,

Wolfgang Denk

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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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