2022.10.05 12:32 "[Tiff] Building libtiff with WEBP support", by Miguel Medalha
2022.10.05 17:14 "Re: [Tiff] Building libtiff with WEBP support", by Miguel Medalha
Based on the error you're getting, I assume you're building against static WebP? Otherwise it should stay happily hidden behind the DLL façade.
Yes, I am building against static WebP.