+#[must_use]
+fn build_sysroot_for_triple(
+ dirs: &Dirs,
+ channel: &str,
+ compiler: Compiler,
+ cg_clif_dylib_path: &Path,
+ sysroot_kind: SysrootKind,
+) -> SysrootTarget {
+ match sysroot_kind {
+ SysrootKind::None => build_rtstartup(dirs, &compiler)
+ .unwrap_or(SysrootTarget { triple: compiler.triple, libs: vec![] }),
+ SysrootKind::Llvm => build_llvm_sysroot_for_triple(compiler),
+ SysrootKind::Clif => {
+ build_clif_sysroot_for_triple(dirs, channel, compiler, &cg_clif_dylib_path)
+ }
+ }
+}
+
+#[must_use]
+fn build_llvm_sysroot_for_triple(compiler: Compiler) -> SysrootTarget {
+ let default_sysroot = super::rustc_info::get_default_sysroot(&compiler.rustc);
+
+ let mut target_libs = SysrootTarget { triple: compiler.triple, libs: vec![] };
+
+ for entry in fs::read_dir(
+ default_sysroot.join("lib").join("rustlib").join(&target_libs.triple).join("lib"),
+ )
+ .unwrap()
+ {
+ let entry = entry.unwrap();
+ if entry.file_type().unwrap().is_dir() {
+ continue;
+ }
+ let file = entry.path();
+ let file_name_str = file.file_name().unwrap().to_str().unwrap();
+ if (file_name_str.contains("rustc_")
+ && !file_name_str.contains("rustc_std_workspace_")
+ && !file_name_str.contains("rustc_demangle"))
+ || file_name_str.contains("chalk")
+ || file_name_str.contains("tracing")
+ || file_name_str.contains("regex")
+ {
+ // These are large crates that are part of the rustc-dev component and are not
+ // necessary to run regular programs.
+ continue;
+ }
+ target_libs.libs.push(file);
+ }
+
+ target_libs
+}
+
+#[must_use]