multiple jobs. The problem was that the dummy targets used to compose the
scripts were independent from each other and jam could thus execute their
respective actions concurrently. We do now create a dependency chain between
the dummy targets of each script, so that jam is forced to execute the actions
sequentially.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31419 a95241bf-73f2-0310-859d-f6bbb57e9c96