return CompilerUtil.castCompiler(createSymbolExtractor());
        }
        if (StripperSpec.class.isAssignableFrom(spec)) {
            return CompilerUtil.castCompiler(createStripper());
        }
        throw new IllegalArgumentException(String.format("Don't know how to compile from a spec of type %s.", spec.getClass().getSimpleName()));
    }

    }

    @Override
    protected Compiler<?> createStripper() {
        CommandLineToolConfigurationInternal stripper = (CommandLineToolConfigurationInternal) toolRegistry.getStripper();

        return new SymbolExtractor(buildOperationExecutor, commandLineTool(symbolExtractor), context(symbolExtractor), workerLeaseService);
    }

    @Override
    protected Compiler<?> createStripper() {
        GccCommandLineToolConfigurationInternal stripper = toolRegistry.getTool(ToolType.STRIPPER);
        return new Stripper(buildOperationExecutor, commandLineTool(stripper), context(stripper), workerLeaseService);