[Buildroot] [PATCHv2] toolchain: fix build with empty BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS

[Baruch Siach <baruch@tkos.co.il>]

Hi Buildroot list,

On Sun, Oct 02, 2011 at 08:22:58AM +0200, Baruch Siach wrote:
> On Mon, Sep 26, 2011 at 10:48:57AM +0300, Baruch Siach wrote:
> > The "" string is not equal to the empty string. This fixes build
> > errors like:
> > 
> > arm-none-linux-gnueabi-gcc: : No such file or directory
> > 
> > Signed-off-by: Baruch Siach <baruch@tkos.co.il>
> 
> Ping?
> This fixes a real build breakage of the combination of external toolchain and 
> empty BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS.

Forget it. This patch is against some local modifications for mine (a patch 
that has been posted here a few months ago, but never applied).

Sorry for the noise.

baruch

> > ---
> > Changes v1 -> v2:
> > 	* Use qstrip as suggested by Thomas Petazzoni
> > 	* Add build failure example to commit log for future reference
> > 
> >  toolchain/toolchain-external/ext-tool.mk |    3 ++-
> >  1 files changed, 2 insertions(+), 1 deletions(-)
> > 
> > diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk
> > index a357cb9..bf59983 100644
> > --- a/toolchain/toolchain-external/ext-tool.mk
> > +++ b/toolchain/toolchain-external/ext-tool.mk
> > @@ -131,7 +131,8 @@ CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI))
> >  
> >  # march/mtune/floating point mode needs to be passed to the external toolchain
> >  # to select the right multilib variant
> > -ifneq ($(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS),)
> > +TOOLCHAIN_EXTERNAL_CUSTOM_ARGS = $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS))
> > +ifneq ($(TOOLCHAIN_EXTERNAL_CUSTOM_ARGS),)
> >  TOOLCHAIN_EXTERNAL_CFLAGS += $(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS)
> >  TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_OPT='$(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_ARGS)'
> >  endif
> > -- 
> > 1.7.6.3

-- 
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