2018-02-21 17:17 GMT+01:00 Joshua Watt <jpewhac...@gmail.com>: > On Wed, 2018-02-21 at 16:50 +0100, Iván Castell wrote: > > Hello forum. > > I have a question regarding the expansion of variables in a recipe. > Suppose I have a recipe with this "do_install" task defined: > > do_install() { > BBB = ${WORKDIR} > } > > Variable BBB expands to the proper working directory. > > $ bitbake -e <myrecipe> | grep BBB > BBB = /path/to/working/directory > > > However, suppose now I have a recipe with this "do_package_prepend" task > defined: > > do_package_prepend() { > AAA = ${WORKDIR} > } > > Variable AAA doesn't expand to the expected working directory. In fact, it > generates an error: > > $ bitbake -e <myrecipe> | grep AAA > AAA = ${WORKDIR} > ^ > SyntaxError: invalid syntax > > > do_package is a python function, so you prepend code must also be python. > You can do: > > AAA = d.getVar('WORKDIR') > >
Im sorry for asking an obvious question, but documentation is not very clear. I wrongly assumed that each recipe was executed by the same interpreter, and seems I was wrong. Then each task is executed by a different interpreter. This has sense... Thank you very much for the clarification and for your time! :-) > > > It seems the expansion of variables is not working inside the > do_package_prepend task. > What is going wrong with that? > > Thank you in advance! :-) > >
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