Todo List: Remove libjpeg from depends/makedepends/optdepends and use shared object dependency

2020-10-18 - David Runge

The libjpeg-turbo package provides

In the past this has been reflected by a "libjpeg=major.minor.patch" entry in
the provides array. This approach requires manual intervention in the
libjpeg-turbo PKGBUILD and is less useful than a shared object provides as that
automatically exposes the shared object version [1].

The libjpeg-turbo package now has "" and "" in the
provides array, which makes the entry for "libjpeg=major.minor.patch" obsolete.

Please replace a "libjpeg-turbo" or "libjpeg" in depends with a shared object
depends [2] (if your package in fact links against it), and a "libjpeg" in
makedepends or optdepends with "libjpeg-turbo".
Afterwards push a rebuilt package to the respective stable repository.

Note in regards to depends array:
* If you would like to only have the respective shared object in the eventual
depends array, add "libjpeg-turbo" to makedepends and add "" (or
"" depending on your requirement) in the package() function
(e.g. by `depends+=('')`).
* If you would like to have both the package and the shared object in the
depends array, add "libjpeg-turbo" first and then the shared object.

Note in regards to the package list in the TODO:
All packages that directly link against or are
If your package does not yet have a direct dependency on libjpeg-turbo's shared
objects but is in the list, please add it, as transitive dependencies are
discouraged [2].

If you are unsure of what this all means, please get in touch via mail or IRC!


Link to lists of pkgbase values:

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