Neal Gompa <[email protected]> writes:

> On Sun, Oct 11, 2026 at 1:46 PM Benson Muite <[email protected]> 
> wrote:
>>
>> Fabio Valentini <[email protected]> writes:
>>
>> > On Sat, Sep 5, 2026 at 3:51 PM Zbigniew Jędrzejewski-Szmek
>> > <[email protected]> wrote:
>> >>
>> >> Isn't this something that is rather rare? While packages using clang
>> >> or rust _are_ fairly common, how often do they use two compilers?
>> >
>> > Not at all. The (default) C compiler invoked by the Rust build process
>> > (whether to compile C code or to link the final executable) is gcc.
>>
>> If this is choosen as a default for gcc, one could check for
>> multi-compiler builds, or check if Rust or Clang are also being used,
>> but having an option that a packager could use to reduce build times and
>> memory requirements still seems reasonable even if it is not the default.
>>
>
> We already have a way to limit memory requirements in a build.
>
> You can use the "%limit_build -m <memorysizemb>" macro.
>
> We use it in webkitgtk already:
> https://src.fedoraproject.org/rpms/webkitgtk/blob/rawhide/f/webkitgtk.spec
>
>

This results in a slower build time since fewer cores are used.  This
particular package also fully disables LTO on i686:
https://src.fedoraproject.org/rpms/webkitgtk/blob/rawhide/f/webkitgtk.spec#_18
possibly thin LTO would be helpful to use instead to allow for some
performance optimizations.


>
>
> -- 
> 真実はいつも一つ!/ Always, there's only one truth!
-- 
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