}
        if (runtimeVariant !=null) {
            variants.add(runtimeVariant);
        }
    }

    public boolean isDebuggable() {
        return debuggable;
    }

    public boolean isOptimized() {
        return optimized;
    }

    public TargetMachine getTargetMachine() {
        return targetMachine;
    }

    public Linkage getLinkage() {
        return linkage;
    }

    }

    @Override
    public String getVisualStudioConfigurationName() {
        // TODO: this is terrible
        String buildType = "debug";
        if (getBinary().isOptimized()) {
            buildType = "release";
        }

                task.getSource().from(binary.getSwiftSource());
                task.getDebuggable().set(binary.isDebuggable());
                task.getOptimized().set(binary.isOptimized());
                if (binary.isTestable()) {
                    task.getCompilerArgs().add("-enable-testing");
                }
                if (binary.getTargetMachine().getOperatingSystemFamily().isMacOs()) {

                task.source(binary.getCppSource());
                if (binary.isDebuggable()) {
                    task.setDebuggable(true);
                }
                if (binary.isOptimized()) {
                    task.setOptimized(true);
                }
                task.getTargetPlatform().set(binary.getNativePlatform());
                task.getToolChain().set(binary.getToolChain());

            getName() >> "debug"
            getTargetMachine() >> targetMachine(OperatingSystemFamily.WINDOWS, MachineArchitecture.X86_64)
            isDebuggable() >> true
            isOptimized() >> false
        }
    }

    private TargetMachine targetMachine(String os, String arch) {
        def objectFactory = TestUtil.objectFactory()
        return Stub(TargetMachine) {

            }

            private Stream<CppBinary> getDebugStream() {
                return library.getBinaries().get().stream().filter(binary -> !binary.isOptimized());
            }

            private Stream<CppBinary> getDebugSharedStream() {
                return getDebugStream().filter(CppSharedLibrary.class::isInstance);
            }

        this.deprecation = compileOptions.isDeprecation();
        this.unchecked = compileOptions.isUnchecked();
        this.debugLevel = compileOptions.getDebugLevel();
        this.optimize = compileOptions.isOptimize();
        this.encoding = compileOptions.getEncoding();
        this.force = compileOptions.isForce();
        this.additionalParameters = ImmutableList.copyOf(compileOptions.getAdditionalParameters());

        addFlag("-unchecked", options.isUnchecked(), result);
        addConcatenatedOption("-g:", options.getDebugLevel(), result);
        addFlag("-optimise", options.isOptimize(), result);
        addOption("-encoding", options.getEncoding(), result);
        addFlag("-verbose", "verbose".equals(options.getDebugLevel()), result);
        addFlag("-Ydebug", "debug".equals(options.getDebugLevel()), result);

    }

    public void setDebugLevel(@Nullable String debugLevel) {
        this.debugLevel = debugLevel;
    }

    /**
     * Run optimizations.
     */
    @Input
    public boolean isOptimize() {
        return optimize;
    }

    public void setOptimize(boolean optimize) {
        this.optimize = optimize;
    }

    /**
     * Encoding of source files.
     */