import qbs Project { DynamicLibrary { name: "library" } CppApplication { Depends { name: "library" cpp.link: { console.warn(project.qbs.targetOS + " - project.qbs.targetOS"); console.warn(product.qbs.targetOS + " - product.qbs.targetOS"); console.warn(qbs.targetOS + " - qbs.targetOS"); //this is undefined return true; } } } }