build_cfg_macros is used at run time in 2 crates (of which 1 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 8 crates (). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) build_cfg_macros version
380 4 build_cfg ^1.1.0