How to specify relative code paths in S-function builder

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Brandon
Brandon 2023-8-4
编辑： Hua Bai 2023-10-19
When setting INC_PATH, etc. in the S-function builder, how do I specify that path relative to some path (preferably from the directory in which the model is stored).
Use case: The simulink model exists in a git repo that is clone by multiple users. The code in the S-function builder block depends on a fair bit of C code that is also in that repo (and hence at a known location relative to the model slx file). Forcing each user to go in and edit full paths for their machine is annoying to say the least.

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回答（1 个）

Les Beckham
Les Beckham 2023-8-7
  2 个评论
Brandon
Brandon 2023-8-7
That doesn't work. Seems like very little documentation on the use of ENV_PATH. Those dialogs don't seem to be picking up any environment variables. Also tried just setting ENV_PATH to the project root directly, but that did not work either.
Hua Bai
Hua Bai 2023-10-19
编辑：Hua Bai 2023-10-19
Hi Brandon, did you set the environment variable before you use it?
For your example, I guess you missed the step of "setenv("PROJROOT", "path to your project root");".
One example which works on my side is attached, you need to run the following line in matlab command window before you build your s-function builder.
setenv("myProjPath", "path to the folder");

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