RustFlags is used at run time in 10 crates (of which 1 optionally). It is a direct run-time dependency in 4 crates. It's used at build time in 6 crates (of which 1 optionally, 3 directly).

Depender (with downloads and own rev deps) RustFlags version
133K 3 cargo-zigbuild ^0.1.6
1.8K 1 mountpoint-s3-crt-sys build ^0.1.6
120 cargo-green ^0, >=0.1
100 amdgpu-device-libs-build ^0.1
rsonpath build ^0.1.6
rustcbuildx ^0, >=0.1
470 git-cinnabar optional build ^0.1