Hello Stefan,

While using NESTML with NEST installed from conda, the compiler path needs to be changed in the nest-config file which you can find in your NEST installation directory. You can find the detailed instructions on our docs page here: https://nestml.readthedocs.io/en/latest/installation.html#anaconda-installation

Hope this helps!

Regards,

Pooja

On 27. Jul 2023, at 10:21, Stefan Dvoretskii <stefan.dvorezky@gmail.com> wrote:

Hello, 

when running code generator(NESTCodeGeneratorUtils.generate_code_for), I encounter an error: 

-- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:95 (project):
  The CMAKE_CXX_COMPILER:

    /home/conda/feedstock_root/build_artifacts/nest-simulator_1633676998878/_build_env/bin/x86_64-conda-linux-gnu-c++

  is not a full path to an existing compiler tool.

  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.

I have tried to set CXX variable to one of the compilers I have on the system, but it did not work. I don't know how to set CMAKE_CXX_COMPILER in this context. Maybe someone could give me an advice on that?

Best regards,

--

Stefan

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