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| author |   Scott Rifenbark <srifenbark@gmail.com> | 2016-07-12 13:41:12 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2016-07-21 07:47:35 +0100 |
| commit | c2e72928fbd21d622860a54a55f4239ba27c07a2 (patch) | |
| tree | acc529bc666a6a79fe01e66d07888e078df34be7 /doc | |
| parent | 231deeb2b0b3847cba971ca30c16e29357100ae6 (diff) | |
| download | bitbake-contrib-c2e72928fbd21d622860a54a55f4239ba27c07a2.tar.gz | |
bitbake-user-manual: Added a note providing examples of task dependencies
Fixes [YOCTO #9861]
In the "Dependencies internal to the .bb File" section, I placed a
note providing more detail on how recipes are built regarding task
dependency.
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/bitbake-user-manual/bitbake-user-manual-metadata.xml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml index 646f6744e..857f8b279 100644 --- a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml +++ b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml @@ -1670,6 +1670,40 @@ task. And, the <filename>do_build</filename> depends on the completion of the <filename>printdate</filename> task. + <note> + Recipes are built by having their + <filename>do_build</filename> (not to be confused with + <filename>do_compile</filename>) tasks executed. + For a task to run when a recipe is built, the task must + therefore be a direct or indirect dependency of + <filename>do_build</filename>. + For illustration, here are some examples: + <itemizedlist> + <listitem><para> + The directive + <filename>addtask mytask before do_build</filename> + causes <filename>mytask</filename> to run when the + recipe is built. + In this example, <filename>mytask</filename> is run + at an unspecified time relative to other tasks within + the recipe, since "after" is not used. + </para></listitem> + <listitem><para> + The directive + <filename>addtask mytask after do_configure</filename> + by itself does not cause <filename>mytask</filename> + to run when the recipe is built. + The task can still be run manually using the following: + <literallayout class='monospaced'> + $ bitbake <replaceable>recipe</replaceable> -c mytask + </literallayout> + <filename>mytask</filename> could also be declared as + a dependency of some other task. + Regardless, the task is run after + <filename>do_configure</filename>. + </para></listitem> + </itemizedlist> + </note> </para> </section> |