diff --git a/src/build/toolchain/gcc_toolchain.gni b/src/build/toolchain/gcc_toolchain.gni
index 06d6a684f2..23b0e00d6a 100644
--- a/src/build/toolchain/gcc_toolchain.gni
+++ b/src/build/toolchain/gcc_toolchain.gni
@@ -660,6 +660,9 @@ template("clang_toolchain") {
                              "default_shlib_subdir",
                              "enable_linker_map",
                              "use_unstripped_as_runtime_outputs",
+                             "extra_cppflags",
+                             "extra_ldflags",
+                             "extra_asmflags",
                            ])
 
     toolchain_args = {