Stefano wrote:
[]
Fink's gs:
[]
   tiff24nc psmono psgray psrgb bit bitrgb bitcmyk png16m pnggray pngmono
   png256 png16 jpeg jpeggray pdfwrite pswrite epswrite pxlmono pxlcolor
[]

Yes, thanks, I checked the ghostscript-7.04 binary from the fink-5.0.1 distribution, and it also contains the png devices. But when I rebuild it here, the png devices are not built.

So I tend to think now that it is a problem with libpng. Indeed, when I look at the various versions of libpng using "nm -mg", I can see that _crc32 is undefined in all of them, but libpng.2.dylib "remembers" that it came from libz.1.dylib, whereas the other version don't remember where this symbol came from.

Further, when I change libpng3 to libpng in the ghostscript Depends and BuildDepends fields, libpng is recognized in the ghostscript configure phase.

I'll CC the libpng and ghostscript maintainers now. Maybe they have an idea what to do.

--
Martin





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