]> git.lizzy.rs Git - rust.git/blob - src/toolchain.rs
Merge commit 'e9d1a0a7b0b28dd422f1a790ccde532acafbf193' into sync_cg_clif-2022-08-24
[rust.git] / src / toolchain.rs
1 //! Locating various executables part of a C toolchain.
2
3 use std::path::PathBuf;
4
5 use rustc_codegen_ssa::back::link::linker_and_flavor;
6 use rustc_session::Session;
7
8 /// Tries to infer the path of a binary for the target toolchain from the linker name.
9 pub(crate) fn get_toolchain_binary(sess: &Session, tool: &str) -> PathBuf {
10     let (mut linker, _linker_flavor) = linker_and_flavor(sess);
11     let linker_file_name =
12         linker.file_name().unwrap().to_str().expect("linker filename should be valid UTF-8");
13
14     if linker_file_name == "ld.lld" {
15         if tool != "ld" {
16             linker.set_file_name(tool)
17         }
18     } else {
19         let tool_file_name = linker_file_name
20             .replace("ld", tool)
21             .replace("gcc", tool)
22             .replace("clang", tool)
23             .replace("cc", tool);
24
25         linker.set_file_name(tool_file_name)
26     }
27
28     linker
29 }