1//! This module contains external tool dependencies that we assume are available in the environment, 2//! such as `cc` or `python`. 3 4pub mod c_build; 5pub mod c_cxx_compiler; 6pub mod cargo; 7pub mod clang; 8pub mod htmldocck; 9pub mod llvm; 10pub mod python; 11pub mod rustc; 12pub mod rustdoc;