[yocto] of recipes and packages

Trevor Woerner twoerner at gmail.com
Wed Aug 22 10:05:15 PDT 2012


Okay, if the confusion over "yocto" versus "yocto project" versus
"poky" and trying to decide whether poky or yocto is a distribution or
a build system or sometimes both or neither of either wasn't bad
enough... there now comes a new confusion:

recipes versus packages

an image is composed of packages
a recipe for a given piece of software generates a set of packages

to discover the list of packages generated by a recipe one can use:
$ bitbake -e <recipe> | grep "^PACKAGES="

to discover the list of available recipes (for a given set of layers)
one can use:
$ bitbake -s

However:

$ bitbake --help | grep -- -s
...
  -s, --show-versions   show current and preferred versions of all packages
...

"...versions of all _packages_"!? Shouldn't that be "recipes"?



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