The root cause is mklinks.sh but the effect shows up following a build.

I use mklinks.sh so that my build process doesn't compalin too much about being unable to find plugin documentation topics, but when the tarfile is un-tared ay the prodcution site, the links on the new machine are "broken" becuase they point to a file on the old machine's file system.

In short, the tar command used by the build process does not de-reference symlinks.

This should be resolved by using the -cp option of mklinks.sh, but that doens't work properly:

[DEVELOP]$ sh mklinks.sh -cp SpreadSheetPlugin
cp: cannot stat `../../../twikiplugins/SpreadSheetPlugin/lib/TWiki/Plugins/SpreadSheetPlugin': No such file or directory
cp: cannot stat `../../../twikiplugins/SpreadSheetPlugin/lib/TWiki/Plugins/SpreadSheetPlugin.pm': No such file or directory
cp: cannot stat `../../twikiplugins/SpreadSheetPlugin/data/TWiki/SpreadSheetPlugin.txt': No such file or directory