cxx-clang-build is used at run time in 1 crate. It's used at build time in 4 crates.

Depender (with downloads and own rev deps) cxx-clang-build version
1 cxx-swift-auto build ^0.0
2 cxx-swift-build ^0.0
2 cxx-clang-auto build ^0.0
1 cxx-clang build ^0.0
cxx-swift build ^0.0