Absolute Path of the Current *.qbs File and Directory

 
Project {
  references: ["sources/Component1/Component1.qbs",
               "sources/Component2/Component2.qbs"]

  property string dirPath: absolutePath('.') // <- hypothetical function
}

CppApplication {
  ...

  Group {
    fileTagsFilter: 'application'
    qbs.install: true
    qbs.installDir: project.dirPath + '/bin/' + qbs.buildVariant
  }

  ...
}