Move some libs to self-contained directory

src/bootstrap/compile.rs

@@ -172,7 +172,14 @@ fn copy_self_contained_objects(
     compiler: &Compiler,
     target: Interned<String>,
 ) -> Vec<(PathBuf, DependencyType)> {
-    let libdir = builder.sysroot_libdir(*compiler, target);
+    // cfg(bootstrap)
+    // Remove when upgrading bootstrap compiler.
+    let libdir_self_contained = if compiler.stage == 0 {
+        builder.sysroot_libdir(*compiler, target).to_path_buf()
+    } else {
+        builder.sysroot_libdir(*compiler, target).join("self-contained")
+    };
+    t!(fs::create_dir_all(&libdir_self_contained));
     let mut target_deps = vec![];
 
     // Copies the CRT objects.
@@ -207,7 +214,7 @@ fn copy_self_contained_objects(
     } else if target.contains("windows-gnu") {
         for obj in ["crt2.o", "dllcrt2.o"].iter() {
             let src = compiler_file(builder, builder.cc(target), target, obj);
-            let target = libdir.join(obj);
+            let target = libdir_self_contained.join(obj);
             builder.copy(&src, &target);
             target_deps.push((target, DependencyType::TargetSelfContained));
         }
@@ -844,14 +851,17 @@ pub fn add_to_sysroot(
     sysroot_host_dst: &Path,
     stamp: &Path,
 ) {
+    let self_contained_dst = &sysroot_dst.join("self-contained");
     t!(fs::create_dir_all(&sysroot_dst));
     t!(fs::create_dir_all(&sysroot_host_dst));
+    t!(fs::create_dir_all(&self_contained_dst));
     for (path, dependency_type) in builder.read_stamp_file(stamp) {
-        if dependency_type == DependencyType::Host {
-            builder.copy(&path, &sysroot_host_dst.join(path.file_name().unwrap()));
-        } else {
-            builder.copy(&path, &sysroot_dst.join(path.file_name().unwrap()));
-        }
+        let dst = match dependency_type {
+            DependencyType::Host => sysroot_host_dst,
+            DependencyType::Target => sysroot_dst,
+            DependencyType::TargetSelfContained => self_contained_dst,
+        };
+        builder.copy(&path, &dst.join(path.file_name().unwrap()));
     }
 }
 

src/bootstrap/dist.rs

@@ -321,7 +321,12 @@ fn make_win_dist(
     );
 
     //Copy platform libs to platform-specific lib directory
-    let target_lib_dir = plat_root.join("lib").join("rustlib").join(target_triple).join("lib");
+    let target_lib_dir = plat_root
+        .join("lib")
+        .join("rustlib")
+        .join(target_triple)
+        .join("lib")
+        .join("self-contained");
     fs::create_dir_all(&target_lib_dir).expect("creating target_lib_dir failed");
     for src in target_libs {
         builder.copy_to_folder(&src, &target_lib_dir);
@@ -650,9 +655,13 @@ fn skip_host_target_lib(builder: &Builder<'_>, compiler: Compiler) -> bool {
 /// Copy stamped files into an image's `target/lib` directory.
 fn copy_target_libs(builder: &Builder<'_>, target: &str, image: &Path, stamp: &Path) {
     let dst = image.join("lib/rustlib").join(target).join("lib");
+    let self_contained_dst = dst.join("self-contained");
     t!(fs::create_dir_all(&dst));
+    t!(fs::create_dir_all(&self_contained_dst));
     for (path, dependency_type) in builder.read_stamp_file(stamp) {
-        if dependency_type != DependencyType::Host || builder.config.build == target {
+        if dependency_type == DependencyType::TargetSelfContained {
+            builder.copy(&path, &self_contained_dst.join(path.file_name().unwrap()));
+        } else if dependency_type == DependencyType::Target || builder.config.build == target {
             builder.copy(&path, &dst.join(path.file_name().unwrap()));
         }
     }

src/librustc_codegen_ssa/back/link.rs

@@ -1075,6 +1075,10 @@ fn get_object_file_path(sess: &Session, name: &str) -> PathBuf {
     if file_path.exists() {
         return file_path;
     }
+    let file_path = fs.get_lib_path().join("self-contained").join(name);
+    if file_path.exists() {
+        return file_path;
+    }
     for search_path in fs.search_paths() {
         let file_path = search_path.dir.join(name);
         if file_path.exists() {
@@ -1470,6 +1474,9 @@ fn add_library_search_dirs(cmd: &mut dyn Linker, sess: &Session) {
     // The location of crates will be determined as needed.
     let lib_path = sess.target_filesearch(PathKind::All).get_lib_path();
     cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
+
+    let lib_path = sess.target_filesearch(PathKind::All).get_lib_path().join("self-contained");
+    cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
 }
 
 /// Add options making relocation sections in the produced ELF files read-only