2021.04.16 17:46 "[Tiff] tiffcp: LERC codec options refer to zstd even if zstd support is not present", by Miguel Medalha

2021.04.16 18:18 "Re: [Tiff] tiffcp: LERC codec options refer to zstd even if zstd support is not present", by Miguel Medalha

Would zlib be enough? Lerc refers to 'deflate', which would need a check on deflate support, which implicitly requires zlib.