././src/pdfimage.cpp:580: error: ‘class wxGIFDecoder’ has no member named ‘ReadGIF’
././src/pdfimage.cpp:587: error: ‘class wxGIFDecoder’ has no member named ‘GetWidth’
././src/pdfimage.cpp:588: error: ‘class wxGIFDecoder’ has no member named ‘GetHeight’