Hello,

in one of our projects, we use copy_if_different to copy some DLLs required by the runtime. It's called as post-build action. The problem is that several targets want to copy the same DLLs, and when using parallelized builds, the different "cmake -E copy_if_different" can conflict, leading the whole build to fail.

I see two options to fix this:

1. don't use copy_if_different, but a custom tool that can deal with the concurrency

2. instead of adding post-build actions to different targets, fill up a list containing all the files required, and add a single post-build action to a single target that copies all the required files in one go

What do you think?

Cheers
Olivier


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