'zstd' is undefined

[Freed-Wu]

$ conda-mambabuild recipe
Updating build index: /home/wzy/.local/share/conda-bld

INFO:conda_index.index:linux-64 cached 0 B from 0 packages at 0 B/second
INFO:conda_index.index:noarch cached 0 B from 0 packages at 0 B/second
INFO:conda_index.index:Subdir: linux-64 Gathering repodata
INFO:conda_index.index:linux-64 Writing pre-patch repodata
INFO:conda_index.index:linux-64 Applying patch instructions
INFO:conda_index.index:linux-64 Writing patched repodata
INFO:conda_index.index:linux-64 Building current_repodata subset
INFO:conda_index.index:linux-64 Writing current_repodata subset
INFO:conda_index.index:linux-64 Writing index HTML
INFO:conda_index.index:Completed linux-64
INFO:conda_index.index:Subdir: noarch Gathering repodata
INFO:conda_index.index:noarch Writing pre-patch repodata
INFO:conda_index.index:noarch Applying patch instructions
INFO:conda_index.index:noarch Writing patched repodata
INFO:conda_index.index:noarch Building current_repodata subset
INFO:conda_index.index:noarch Writing current_repodata subset
INFO:conda_index.index:noarch Writing index HTML
INFO:conda_index.index:Completed noarch
INFO:conda_index.index:Channeldata subdir: linux-64
INFO:conda_index.index:Channeldata subdir: noarch
WARNING: No numpy version specified in conda_build_config.yaml.  Falling back to default numpy value of 1.26
Adding in variants from internal_defaults
Attempting to finalize metadata for libboost
Error: Failed to render jinja template in /home/wzy/Desktop/boost-feedstock/recipe/meta.yaml:
'zstd' is undefined

https://github.com/AnacondaRecipes/boost-feedstock