[Buildroot] [PATCH 3/7] core: add generic support for lz archives

[Baruch Siach]

Hi Peter,

On Thu, Feb 09, 2017 at 11:00:37PM +0200, Baruch Siach wrote:
> On Thu, Feb 09, 2017 at 09:26:12PM +0100, Peter Seiderer wrote:
> > On Thu,  9 Feb 2017 21:50:14 +0200, Baruch Siach <baruch at tkos.co.il> wrote:
> > > This commit teaches the generic code how to extract .tar.lz archives. When
> > > lzip is not installed on the host, host-lzip gets built automatically.
> > > 
> > 
> > On my host there is no lzip installed, with your patches applied I get the following
> > error message:
> > 
> > which: no lzip in (/home/seiderer/Work/build_arm_qt5_stdcpp11_001/host/usr/bin)
> > You must install '/home/seiderer/Work/build_arm_qt5_stdcpp11_001/host/usr/bin/lzip' on your build machine
> > support/dependencies/dependencies.mk:22: recipe for target 'core-dependencies' failed
> > make[1]: *** [core-dependencies] Error 1
> > Makefile:16: recipe for target '_all' failed
> > make: *** [_all] Error 2
> 
> Thanks for testing.
> 
> Does this fixes your problem?
> 
> diff --git a/package/pkg-generic.mk b/package/pkg-generic.mk
> index 303dda090daa..eb01c2fa0e2f 100644
> --- a/package/pkg-generic.mk
> +++ b/package/pkg-generic.mk
> @@ -930,7 +930,7 @@ endif # SITE_METHOD
>  # ZCAT="gzip -d -c", and to check for the dependency we only want 'gzip'.
>  # Remove xzcat/lzip from the list of required dependencies, as they get built
>  # automatically if they're not found.
> -DL_TOOLS_DEPENDENCIES += $$(filter-out xzcat lzip,$$(firstword $$(call suitable-extractor,$$($(2)_SOURCE))))
> +DL_TOOLS_DEPENDENCIES += $$(filter-out xzcat lzip,$$(notdir $$(firstword $$(call suitable-extractor,$$($(2)_SOURCE)))))
>  
>  # Ensure all virtual targets are PHONY. Listed alphabetically.
>  .PHONY:	$(1) \

Thinking about it again, this is clearly not the right solution. It breaks 
custom BR2_LZCAT. I'll try to come up with something better.

baruch

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