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bug#22139: Indirect dependencies are not grafted


From: Ludovic Courtès
Subject: bug#22139: Indirect dependencies are not grafted
Date: Thu, 10 Dec 2015 10:38:53 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

The grafting mechanism has a shortcoming: it is not recursive.

Suppose we use ‘replace’ to provide a patch libpng.  If a package has a
direct dependency on libpng, it is appropriately grafted to refer to the
new libpng.  However, if a package depends on libfoo, which in turn
depends on libpng, then that package will keep referring to the old
libfoo, which refers to the old libpng.

Ludo’.





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