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Re: [sumo-dev] Failed to build CMAke file
  • From: Michael Behrisch <oss@xxxxxxxxxxx>
  • Date: Sun, 29 Dec 2019 21:40:37 +0100
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Hi Daniel,
hope you had a nice christmas, too :-).

Are you running the CMake which comes with Visual Studio or a separate
installation and if so which exact version is it? Our current build runs
just fine with the Visual Studio 2019 and the CMake packaged with it
(3.14, I think) and also with a separate installation (which still uses
3.13) so it might be something happening only with newer CMakes.

We had a similar problem recently when we introduced the dll
installation step which also might be the reason here although the line
where the error occurs is a different one. Please check whether you have
a clean and up to date SUMOLibraries checkout.

Best regards,

Am 27.12.19 um 19:37 schrieb Daniel Krajzewicz:
> Dear friends and colleagues,
> hope you got a nice Chrsitmas.
> I'm trying to build SUMO and encounter the same issue since some month:
> Clean checkout to D:/dlr/zSUMO/t1, current version of CMake, MSVC
> installed...
> Source code: D:/dlr/zSUMO/t1 (checkout root)
> Path for building binaries: D:/dlr/zSUMO/t1/build/cmake (as given in docs)
> Ok, now when trying to configure, CMAke complains a lot - I suppose for
> every subfolder the following:
> CMake Error at CMakeLists.txt:416 (add_custom_target):
> add_custom_target cannot create target "<...>" because another target
> with the same name already exists. The existing target is a custom target
> created in source directory "D:/dlr/zSUMO/t1". See documentation for
> policy CMP0002 for more details.
> As said, the <...> above includes different targets, the first is
> "install_dll", the last is "distcheck".
> Does anyone know what I am doing wrong?
> Sincerely and all the best for the next year,
> Daniel
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