diff --git a/portage/env/chromium.conf b/portage/env/chromium.conf
new file mode 100644
index 0000000..8eb4903
--- /dev/null
+++ b/portage/env/chromium.conf
@@ -0,0 +1,2 @@
+EXTRA_GN="target_os=\"linux\" target_cpu=\"x64\" is_official_build=true use_cfi_cast=true is_component_build=false is_debug=false ffmpeg_branding=\"Chrome\" proprietary_codecs=true symbol_level=0 blink_symbol_level=0 enable_resource_allowlist_generation=false enable_remoting=false enable_nacl=false disable_fieldtrial_testing_config=true
+CHROMIUM_FORCE_LIBCXX=yes