- find_nvcc now prefers the highest /usr/local/cuda-<ver> toolkit so a stale
unversioned `cuda` symlink or an older nvcc earlier on PATH can't win and
rebuild with CUDA 12.x (re-hitting the glibc>=2.41 / Blackwell clash this
script avoids); falls back to a PATH nvcc only when no versioned toolkit.
- Validate the GPU compute_cap is purely numeric before using it as
CMAKE_CUDA_ARCHITECTURES: some WSL GPU-PV / driver combos report "N/A",
which CMake rejects (aborting an otherwise-usable build) instead of letting
"native" autodetect.
- Gate the native-Linux aarch64 provisioner on _SKIP_GGUF_BUILD: when a non-root
user declines the sudo prompt (or lacks sudo) for GGUF deps, don't then run a
provisioner that does its own sudo apt-get installs.
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