--- build/toolchain/gcc_toolchain.gni.orig	2022-05-19 05:17:34 UTC
+++ build/toolchain/gcc_toolchain.gni
@@ -53,6 +53,13 @@ if (enable_resource_allowlist_generation) {
       "enable_resource_allowlist_generation=true does not work for target_os=$target_os")
 }
 
+declare_args() {
+  extra_cflags = ""
+  extra_cppflags = ""
+  extra_cxxflags = ""
+  extra_ldflags = ""
+}
+
 # This template defines a toolchain for something that works like gcc
 # (including clang).
 #
@@ -771,13 +778,12 @@ template("gcc_toolchain") {
 # use_gold too.
 template("clang_toolchain") {
   gcc_toolchain(target_name) {
-    prefix = rebase_path("$clang_base_path/bin", root_build_dir)
-    cc = "${prefix}/clang"
-    cxx = "${prefix}/clang++"
+    cc = "cc"
+    cxx = "c++"
     ld = cxx
-    readelf = "${prefix}/llvm-readelf"
-    ar = "${prefix}/llvm-ar"
-    nm = "${prefix}/llvm-nm"
+    readelf = "readelf"
+    ar = "ar"
+    nm = "nm"
 
     forward_variables_from(invoker,
                            [