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
130 2 cxx-swift-build ^0.0
120 1 cxx-swift-auto build ^0.0
120 2 cxx-clang-auto build ^0.0
120 1 cxx-clang build ^0.0
100 cxx-swift build ^0.0