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authorRobert P. J. Day <rpjday@crashcourse.ca>2021-03-22 06:19:36 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-03-22 18:09:26 +0000
commit5e4e9acd323b5ebc3a14c07384f6cf8f8a272066 (patch)
tree73d898fc0d45783734123b1a492e61ef571f8016
parent493f291601c7680f8b8146f358c545fcb5f53cc9 (diff)
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doc: mention that addtask handles multiple dependencies
Add a note explaining that "addtask" can accept multiple dependencies, just in case someone runs across such an example and is confused. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--doc/bitbake-user-manual/bitbake-user-manual-metadata.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst b/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
index 7ea68ade..dcf664eb 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
+++ b/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
@@ -1296,6 +1296,17 @@ For more information on task dependencies, see the
See the ":ref:`bitbake-user-manual/bitbake-user-manual-metadata:variable flags`" section for information
on variable flags you can use with tasks.
+.. note::
+
+ While it's infrequent, it's possible to define multiple tasks as
+ dependencies when calling ``addtask``. For example, here's a snippet
+ from the OpenEmbedded class file ``package_tar.bbclass``::
+
+ addtask package_write_tar before do_build after do_packagedata do_package
+
+ Note how the ``package_write_tar`` task has to wait until both of
+ ``do_packagedata`` and ``do_package`` complete.
+
Deleting a Task
---------------