- No complex shell logic.
- "Source file shadowing" for all targets via vpath.
- Dependency handling.
- True incremental build.
- Don't write into source directories.
- Easy cleanup by just removing 'wrk'.
Checked/fixed initialization so that some of the drivers do work now when
linked statically.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1958 b7a2c559-68d2-44c3-8de9-860c34a00d81