Speed up application startup by using `ld.so.cache`#207061

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winterqt wants to merge 2 commits intoNixOS:stagingfrom winterqt:ld-cache

+190-1

Commits on Dec 20, 2022

glibc: load $ORIGIN/../etc/ld.so.cache when available
winterqt
committed

Commits on Dec 21, 2022

build-support/setup-hooks/generate-ld-cache: init
winterqt
committed