this derivation will be built:
  /nix/store/5cw96bxbclbvv6285f44k8dpqr10w9md-omp-17.2.12.drv
this path will be fetched (30.3 KiB download, 189.8 KiB unpacked):
  /nix/store/6pbmwjjg2rqd60ksn2a9iqdhqacz1f3i-libopus-1.6.1-dev