Well. I reinstalled completely cygwin packages from scratch to be sure and it seems quite easy to reproduce. The current tiff libraries don't seem able to fully understand tiff images supplied by the WindowMaker package. It is particularly visible in the window maker configuration application (/usr/X11R6/GNUStep/ Apps/WPrefs.app/WPrefs), since almost all icons are broken or blank.
Similarly, the following command > tiffinfo /usr/X11R6/GNUStep/Apps/WPrefs.app/tiff/expert.tiff produces TIFFReadDirectory: Warning, /usr/X11R6/GNUstep/Apps/WPrefs.app/ tiff/expert.tiff: unknown field with tag 317 (0x13d) encountered. According to the Tiff specs, tag 317 is for Predictor, and that seems to be used mainly by LZW compression. Might it be a problem in the GIF library ? I did not have this error until I fully reinstalled Cygwin because I must have compiled gif/tiff/jpeg library by myself or something like this. Laurent Vaucher.
cygcheck.out
Description: cygcheck.out
<<attachment: expert.tiff>>
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