[ET Trac] [Einstein Toolkit] #1083: Cactus doesn't like switching thorns between arrangements

[Einstein Toolkit]

#1083: Cactus doesn't like switching thorns between arrangements
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 Reporter:  eschnett  |       Owner:     
     Type:  defect    |      Status:  new
 Priority:  minor     |   Milestone:     
Component:  Cactus    |     Version:     
 Keywords:            |  
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 When I have two thorns with the same name in different arrangements, e.g.
 EinsteinEvolve/GRHydro and Zelmani/GRHydro, and then modify my thorn list
 (which contains one of these) to instead contain the other, Cactus has
 strange build problems. The root of the problem seems to be that Cactus
 does not recognise that these are different thorns with different source
 files, and e.g. the dependency information is not updated. This leads to
 strange build problems that force me to delete the build directories for
 GRHydro manually after switching.

 One way out could be to include the arrangement name when constructing the
 build directory name, or to remember the arrangement name and to delete
 the build directory when the arrangement name changes.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1083>
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