LLEXT: build libraries #19621

Job	Run time
build-windows (imx8 imx8x imx8m imx8ulp)	8m 23s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 36s
build-windows (mtl)	6m 8s
build-linux (mnfst, mtl)	4m 38s
build-windows (tgl tgl-h)	6m 35s
build-linux (mnfst, lnl)	4m 28s
build-windows (-d, mtl)	6m 10s
build-linux (mnfst, ptl)	4m 35s
build-linux (mnfst, tgl tgl-h)	5m 46s
LP64-WIP	4m 13s
manifest-check	47s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 25s
build-linux (zmain, mtl)	4m 40s
build-linux (zmain, lnl)	5m 16s
build-linux (zmain, ptl)	4m 26s
build-linux (zmain, tgl tgl-h)	5m 26s
build-linux (-d, mnfst, mtl)	4m 38s
build-linux (mnfst, --all)	13m 54s
compare-linux-win	31s
	1h 43m 35s

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