[Buildroot] [PATCHv2 06/21] Makefile: use <pkg>-all-legal-info to implement the legal-info target

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

Thomas, All,

On 2015-04-12 18:37 +0200, Thomas Petazzoni spake thusly:
> This commit changes the implementation of the global 'legal-info'
> target to use the newly introduced per-package <pkg>-all-legal-info
> target. This allows to avoid using the $(TARGET_HOST_DEPS) and
> $(HOST_DEPS) variables that we are trying to remove.
> 
> It is worth mentionning that this commit might change the output of
> 'make legal-info' by making it more correct than it was. With the
> existing implementations, we could be missing packages if they were
> host packages, or target packages not properly selected in terms of
> Config.in dependencies, and with a more than a two-level deep
> dependency from a target package properly selected at the Config.in
> level. This is because our previous logic was simply taking all
> packages in the "TARGETS" (now called "PACKAGES") variable, which are
> only the target packages explicitly selected in the .config file, and
> doing a two-level deep recursion in the dependencies.
> 
> With this commit, we switch legal-info to use proper make-based
> dependencies, so we no longer have the limitations we used to
> have. For this reason, the output of 'make legal-info' after this
> patch may contain *more* entries than before this patch, but it is
> really because it is now correct.
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

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

(which you forgot to carry from iteration #1, or maybe on-purpose
because you changed the commit log. However, I've re-tested it.)

Regards,
Yann E. MORIN.

> ---
>  Makefile | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index f4deec3..a22d99b 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -410,9 +410,6 @@ HOST_DEPS = $(sort $(foreach dep,\
>  		$($(dep))))
>  HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
>  
> -PACKAGES_LEGAL_INFO := $(patsubst %,%-legal-info,\
> -		$(PACKAGES) $(TARGETS_HOST_DEPS) $(HOST_DEPS))
> -
>  dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
>  	$(HOST_DIR) $(BINARIES_DIR)
>  
> @@ -631,7 +628,7 @@ legal-info-prepare: $(LEGAL_INFO_DIR)
>  	@$(call legal-warning,the toolchain has not been saved)
>  	@cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
>  
> -legal-info: dirs legal-info-clean legal-info-prepare $(PACKAGES_LEGAL_INFO) \
> +legal-info: dirs legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
>  		$(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
>  	@cat support/legal-info/README.header >>$(LEGAL_REPORT)
>  	@if [ -r $(LEGAL_WARNINGS) ]; then \
> -- 
> 2.1.0
> 
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