[v2] python3: add PACKAGECONFIG[editline]

editline is a BSD alternative for readline which is GPLv3.

Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
---
 meta/recipes-devtools/python/python3_3.10.6.bb | 1 +
 1 file changed, 1 insertion(+)

Hi Etienne,

On 9/13/22 17:25, Etienne Cordonnier via lists.openembedded.org wrote:
> editline is a BSD alternative for readline which is GPLv3.
> 
> Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
> ---
>   meta/recipes-devtools/python/python3_3.10.6.bb | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/meta/recipes-devtools/python/python3_3.10.6.bb b/meta/recipes-devtools/python/python3_3.10.6.bb
> index 1b28728732..1f8b60a7a5 100644
> --- a/meta/recipes-devtools/python/python3_3.10.6.bb
> +++ b/meta/recipes-devtools/python/python3_3.10.6.bb
> @@ -105,6 +105,7 @@ PACKAGECONFIG:class-target ??= "readline gdbm ${@bb.utils.filter('DISTRO_FEATURE
>   PACKAGECONFIG:class-native ??= "readline gdbm"
>   PACKAGECONFIG:class-nativesdk ??= "readline gdbm"
>   PACKAGECONFIG[readline] = ",,readline"
> +PACKAGECONFIG[editline] = "--with-readline=editline,,libedit,,,readline"

I'm wondering if something else isn't missing just below:
https://cgit.openembedded.org/openembedded-core/tree/meta/recipes-devtools/python/python3_3.10.6.bb?h=master#n119

Considering the introducing commit: 
https://cgit.openembedded.org/openembedded-core/commit/?id=79ebbca6943bc66b619671f93ac283ed2cfc8e5c

I'm wondering if there isn't something we can do better here.

I see that the configure.ac script allows to disable readline entirely, 
c.f. https://github.com/python/cpython/blob/v3.10.6/configure.ac#L4945-L5062

--without-readline should work. I hope this can fix the issue the 
aforementioned commit works around by avoiding to always try to build 
the readline module.

Now we'll have another issue is that this without-readline should be 
passed only when both readline and editline PACKAGECONFIG are not used.

I guess we usually do it by having EXTRA_OECONF with the 
--without-readline always set (you'll need --with-readline in the 
readline PACKAGECONFIG though). Then if readline or editline is set, 
--without-readline will be overridden by either --with-readline or 
--with-readline=editline?

Cc'ing Alex as author of the aforementioned commit, hope you don't mind :)

Cheers,
Quentin

>   # Use profile guided optimisation by running PyBench inside qemu-user
>   PACKAGECONFIG[pgo] = "--enable-optimizations,,qemu-native"
>   PACKAGECONFIG[tk] = ",,tk"
> 
> 
> 
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