src/part2/examples/local/apps/hello_knr/package.bld

for (var i = 0; i < Build.targets.length; i++) {
    var targ = Build.targets[i];
    var exe = Pkg.addExecutable("hello", targ,targ.platform,
                                {
                                    rtsName: null,
                                    profile: "whole_program"
                                });
    exe.addObjects(["hello.c"]);
}