[coreboot-gerrit] Change in coreboot[master]: Kconfig,Makefile.inc: Add support for link time optimization

[Jacob Garber (Code Review)]

Jacob Garber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/38989 )

Change subject: Kconfig,Makefile.inc: Add support for link time optimization
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Patch Set 12:
> Patch Set 12:
>
> One thing that worked before for me, doesn't work anymore. I'm not sure if there's any solution for this.
>
> When testing tiny changes, I never did a make clean but just ran `make -j5` to rebuild, where Make just rebuilds the changed source and resolved dependencies automagically. With the LTO patches, this does not seem to work anymore. The final linking step fails: https://paste.xinu.at/gOLYHtjrF4SO68Vam0HfecWreiN4ZJyP8k8GwRk4HTRSfV25v0Cd4u...
>
> Any ideas?

Good catch. The problem is the previous commit that replaces partial linking with thin archives. Trying to find a fix now.