Re: Fedora 34 Change: LTO Build Improvements (System-Wide Change proposal)

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On 8/12/2021 10:09 AM, Vít Ondruch wrote:
Just wonder, have somebody inherited this feature after Jeff? And is anybody actually working on the LTO?


~~~

$ grep -R lto | grep -E 'global|define' | grep nil | wc -l
190
I don't think anyone is actively working on reducing that set.   But that to me would be quite low priority.

Addressing the -ffat-lto-objects would seem to be more important as it would significantly reduce build times.  I did a test run a while back and identified all the packages that would need to get fixed, but changed jobs before I could start fixing them.

We're doing some light Fedora work here, which I expect to ramp up again in several months.  Reducing build times is something I can make a case to mgt for as it'll affect some of the work we're doing rather significantly.

Jeff
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