[Buildroot] [PATCH 04/13 v2] core/legal-info: ensure legal-info works in off-line mode

[Yann E. MORIN <yann.morin.1998@free.fr>]

Luca, All,

On 2015-12-16 23:47 +0100, Luca Ceresoli spake thusly:
> Luca Ceresoli wrote:
> [...]
> >>+# Download actual sources if they differ from the extracted sources
> >>+# (e.g. for external toolchains)
> >>+#
> >>+# We need to provide PKG and PKGDIR, because there's no .stamp file for
> >>+# the legal-info step.
> >>+$(1)-legal-source:    PKG=$(2)
> >>+$(1)-legal-source:    PKGDIR=$(pkgdir)
> >>+$(1)-legal-source:
> >>+ifneq ($$($(2)_ACTUAL_SOURCE_TARBALL),)
> >>+ifneq ($$($(2)_ACTUAL_SOURCE_TARBALL),$$($(2)_SOURCE))
> >>+    $$(call
> >>DOWNLOAD,$$($(2)_ACTUAL_SOURCE_SITE)/$$($(2)_ACTUAL_SOURCE_TARBALL))
> >>+endif # actuall sources != sources
> >
> >actuall sources -> actual source
> >
> >>+endif # actuall source != ""
> >
> >actuall -> actual
> >
> >With these fixed:
> >  Acked-by: Luca Ceresoli <luca@lucaceresoli.net>
> >
> >[Tested with a minimal Sourcery ARM 2014.05 config]
> >Tested-by: Luca Ceresoli <luca@lucaceresoli.net>
> 
> Hey, NO! This patch is wrong.
[--SNIP--]
> with this defconfig:
> 
> BR2_arm=y
> BR2_TOOLCHAIN_EXTERNAL=y
> 
> But it breaks online 'make legal-info' when _ACTUAL_SOURCES have not
> yet been downloaded, i.e.:
> 
>   $ make clean
>   $ rm -fr dl/
>   $ make legal-info
>   [...]
>   cp: cannot stat '/home/murray/devel/buildroot/dl/arm-2014.05-29-arm-none-linux-gnueabi.src.tar.bz2':
> No such file or directory

Damit... :-(

> I think this is because you moved the downloading of _ACTUAL_SOURCE
> from the $(1)-legal-info to $(1)-legal-source, and the former does not
> depend on the latter.
> 
> Perhaps we just need this?
> 
>   $(1)-legal-info: $(1)-legal-source

Nope, that does not work either. The download indeed occurs, but then it
can not find a hash for it. Indeed, we do not have ssuch a hash
anywhere.

I'll investigate tomorrow (or this WE).

> Sorry for having missed this during my first review.

No problem, thank you very much for the testing! :-)

Regards,
Yann E. MORIN.

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