• linux-64 v12.1.0
• linux-32 v7.3.0
• linux-ppc64le v12.1.0
• linux-aarch64 v12.1.0
• linux-s390x v12.1.0

conda install

To install this package run one of the following:
conda install prometeia::libstdcxx-ng
conda install prometeia/label/external::libstdcxx-ng

---