$NetBSD$

--- gn/BUILDCONFIG.gn.orig	2025-05-08 12:56:51.035412725 +0000
+++ gn/BUILDCONFIG.gn
@@ -68,6 +68,7 @@ is_fuchsia = current_os == "fuchsia"
 is_ios = current_os == "ios" || current_os == "tvos"
 is_tvos = current_os == "tvos"
 is_linux = current_os == "linux"
+is_netbsd = current_os == "netbsd"
 is_mac = current_os == "mac"
 is_wasm = current_os == "wasm"
 is_win = current_os == "win"