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# Defines the configuration of siso (next-gen build system) use_siso_default = false if (current_toolchain == default_toolchain) { use_siso_default = exec_script(rebase_path("//build/toolchain/use_siso_default.py"), [], "value", []) } declare_args() { # Placeholder to allow having use_siso in args.gn file. # Explicit `use_siso` in args.gn can override default. use_siso = use_siso_default }