[Buildroot] [PATCH] package infra: remove duplicates in dependencies list
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Sun Jun 8 16:51:50 UTC 2014
Dear Yann E. MORIN,
On Sun, 1 Jun 2014 12:28:54 +0200, Yann E. MORIN wrote:
> From: "Yann E. MORIN" <yann.morin.1998 at free.fr>
>
> Currently, we just use what a package declares as its dependencies.
>
> But some packages may declare the same depdency more than once. For
> example, php has two options to add SQL support: 'mysql' or 'mysqli',
> which are not exclusive. So, php.mk has mysql twice as a dependency.
>
> Although that does not cause any grievance for make, we end up generating
> dependency graphs where this duplicate dependency is visible.
>
> Add an intermediary variable which contains the $(sort)-ed list of the
> dependnecies, thus eliminating any duplicates.
>
> This has the side effect of also sorting the list, which is probably
> good for reproducibility anyway.
>
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Cc: Thomas De Schampheleire <patrickdepinguin at gmail.com>
Applied, thanks!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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