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Then see instructions on page 8 (titled "Windows only") in this attachment.
For each package the SConscript file must be modified slightly to invoke the tool registerTargets rather than registerObjects. This has now been done for all packages in ScienceTools New, converted SConscript files have been committed and the packages are all tagged. If you start with source from a recent ST LATEST build you don't have to worry about this. Details of the differences are described below for the curious. Others should skip to the section GoGui Hints below.
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