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author | Jacob Kroon <jacob.kroon@gmail.com> | 2020-05-28 08:41:15 +0200 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-05-28 21:36:35 +0100 |
commit | c92a266c8e452833f2a590721aa1c2bd6fbeb2e0 (patch) | |
tree | 3d9796ea7c1006612663c8efef1201dccea51277 /doc | |
parent | caf422435ad64aacbdab8a94da3115599dd0938b (diff) | |
download | bitbake-c92a266c8e452833f2a590721aa1c2bd6fbeb2e0.tar.gz |
doc: More explanation to tasks that recursively depend on themselves
Signed-off-by: Jacob Kroon <jacob.kroon@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/bitbake-user-manual/bitbake-user-manual-metadata.xml | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml index 95a8b95b1..069a0ec80 100644 --- a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml +++ b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml @@ -2565,15 +2565,17 @@ </para> <para> - You might want to not only have BitBake look for - dependencies of those tasks, but also have BitBake look - for build-time and runtime dependencies of the dependent - tasks as well. - If that is the case, you need to reference the task name - itself in the task list: + BitBake allows a task to recursively depend on itself by + referencing itself in the task list: <literallayout class='monospaced'> do_a[recrdeptask] = "do_a do_b" </literallayout> + In the same way as before, this means that the <filename>do_a</filename> + and <filename>do_b</filename> tasks of the current recipe and all + recipes reachable (by way of dependencies) from the recipe + must run before the <filename>do_a</filename> task can run. In this + case BitBake will ignore the current recipe's <filename>do_a</filename> + task circular dependency on itself. </para> </section> |