On Sat, 2020-02-08 at 13:31 -0500, rpj...@crashcourse.ca wrote: > (part of the nitpickiness of some of these questions stems from > that, in my updated courseware, i want to use actual examples out of, > say, the openembedded layer, and not just contrived examples > involving > packages like "foo" and "bar". to that end, i want to be able to > explain why some recipes are written the way they are and, > conversely, > to explain why some recipes might look weird.) > > the bitbake manual has a reasonable explanation of > DEFAULT_PREFERENCE but there are examples in the OE layer that seem > to > not be written as cleanly as they could be. > > consider under recipes-devtools the two directories "pkgconfig" > and > "pkgconf", and the respective .bb files: > > - pkgconfig_git.bb > - pkgconf_1.6.3.bb > > the pkgconfig recipe file does *not* contain a PROVIDES setting, > while pkgconfig_1.6.3.bb does: > > PROVIDES += "pkgconfig"
It doesn't, pkgconf_1.6.3.bb does, which is quite different and it then makes sense. Cheers, Richard
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