Reverting the mold linker

[Laurent Montel]

Le 05.10.2026 18:00, Allen Winter a écrit :
> On Monday, October 5, 2026 11:24:26 AM Eastern Daylight Time Laurent 
> Montel wrote:
> 
> Hi Laurent

Hi,

> 
>> If it's install on your computer you can use it.
>> It doesn't force you.
> 
> to avoid mold you need to:
>  - uninstall mold or move it out out $PATH
>  - explicitly pass -DUSE_MOLD_LINKER=OFF
>  - explicitly pass -DCMAKE_LINKER_TYPE=LLD (or another cmake supported 
> linker)
> 
> some linux distros allow you to set the default linker using 
> `alternatives`.
> maybe developers can try `alternatives --config ld` instead?
> otherwise pass -DCMAKE_LINKER_TYPE=MOLD


1) Question: is it break your build ?


2) Why a not maintainer can remove commit without MR ?
I remember that Nicolas doesn't accept it in framework.


So He decides for him just after sending email ?!



> 
> also maybe we should ask the sysadmins to have the CI set 
> CMAKE_LINKER_TYPE=MOLD for us
> 
> I've been setting CMAKE_LINKER_TYPE=LLD for a long time since I use 
> clang++ to compile
> but maybe I will try mold.

Perhaps you can test it !

You can look at benchmark about mold/lld/wild etc.


> 
> Regards,
> Allen
> 
> 
>> Le 05.10.2026 17:14, Nicolas Fella a écrit :
>> > Hi,
>> >
>> > most PIM repos now have code that uses the Mold linker by default. This
>> > is very bad. The buildsystem should not mess with the linker that way,
>> > and it makes it inconsistent with all other KDE code.
>> >
>> > If somebody actually wants to use Mold they can trivially enable it in
>> > their own build configuration.
>> >
>> > I'm am going to revert these changes now.
>> >
>> > Cheers
>> >
>> > Nico
>>