cfg_eval is used at run time in 320 crates (of which 25 optionally). It is a direct run-time dependency in 11 crates. It's used only as a dev dependency in 31 crates.

Depender (with downloads and own rev deps) cfg_eval version
167K 23 solana-packet optional ^0.1.2
600 6 vcard4 optional ^0.1
1 gvas ^0.1.2
1 balter-runtime ^0.1.2
libjayjeer ^0.1.2
2 balter-core optional ^0.1.2
knf optional ^0.1
3 know optional ^0.1.2
krig optional ^0.1
p1689 optional ^0.1
runtime_units optional ^0.1.2