On Thu, May 02, 2024 at 02:57:30PM +0200, Alexander Kanavin wrote: > On Thu, 2 May 2024 at 14:52, Patrick Williams <patr...@stwcx.xyz> wrote: > > > I'm not convinced this is true. As I wrote, the final result of > > PACKAGECONFIG is exactly what I expect; it includes `python` for the > > btrfs-tools-native and doesn't for the plain btrfs-tools: > > > > ``` > > # pre-expansion value: > > # " programs convert python crypto-builtin " > > PACKAGECONFIG=" programs convert python crypto-builtin " > > ``` > > Run experiments with plain poky and changes in local.conf, and that > will convince you. > > > I've also tried switching to this, which is very clearly a "target" > > qualifier and have the same exact results; it applies on "native" > > `inherit_defer` evaluations: > > > > btrfs-tools_%.bbappend with... > > ``` > > PACKAGECONFIG:remove:class-target = "python" > > ``` > > class-target:remove, not the other way around.
This is almost never correct and there is not a single example of it in poky. There _are_ examples of exactly what I wrote. If you do `PACKAGECONFIG:class-target:remove` and there is not already an explicit `PACKAGECONFIG:class-target` defined, this in effect creates a _new_ _empty_ variable `PACKAGECONFIG:class-target`. This is nearly never what you want. You typically want to take the base contents of `PACAKGECONFIG` and remove something from it explicitly for the `class-target` class. What I wrote is exactly how to do that and what there are multiple examples of in poky (see tclibc-barmetal.inc, no-gplv3.inc, meta-openembedded uim_1.8.8.bb). -- Patrick Williams
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