It is the host directory generated in the output directory of Buildroot.

It contains absolute paths of where it has been generated, so cannot be shared directly.

To replace all absolute paths at once by the ones you are going to install the SDK to, execute:

find . -type f -name "*cmake*" -exec sed -i 's/</orig/absolute/path/to/output/host>/</new/absolute/path/to/output/host>/g' {} +