$OpenBSD: patch-build_config_c++_c++_gni,v 1.14 2021/11/16 11:28:45 robert Exp $

Index: build/config/c++/c++.gni
--- build/config/c++/c++.gni.orig
+++ build/config/c++/c++.gni
@@ -11,10 +11,7 @@ declare_args() {
   # standard library support.
   # Don't check in changes that set this to false for more platforms; doing so
   # is not supported.
-  use_custom_libcxx =
-      is_fuchsia || is_android || is_mac || is_linux || is_chromeos_lacros ||
-      (is_ios && !use_xcode_clang) || (is_win && is_clang) ||
-      (is_chromeos && default_toolchain != "//build/toolchain/cros:target")
+  use_custom_libcxx = false
 
   # Use libc++ instead of stdlibc++ when using the host_cpu toolchain, even if
   # use_custom_libcxx is false. This is useful for cross-compiles where a custom
