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//! Locating various executables part of a C toolchain.
use std::path::PathBuf;
use rustc_codegen_ssa::back::link::linker_and_flavor;
use rustc_session::Session;
/// Tries to infer the path of a binary for the target toolchain from the linker name.
pub(crate) fn get_toolchain_binary(sess: &Session, tool: &str) -> PathBuf {
let (mut linker, _linker_flavor) = linker_and_flavor(sess);
let linker_file_name = linker
.file_name()
.and_then(|name| name.to_str())
.unwrap_or_else(|| sess.fatal("couldn't extract file name from specified linker"));
if linker_file_name == "ld.lld" {
if tool != "ld" {
linker.set_file_name(tool)
}
} else {
let tool_file_name = linker_file_name
.replace("ld", tool)
.replace("gcc", tool)
.replace("clang", tool)
.replace("cc", tool);
linker.set_file_name(tool_file_name)
}
linker
}
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