povray checks the libpng version during configure: it required a version < 1.4, which is not installed currently. Even installing libpng:1.2 manualy doesn't work, presumably because pkgconfig only knows about version 1.4. Reproducible: Always Steps to Reproduce: 1. emerge povray Actual Results: fails. Expected Results: should compile fine.
The now deleted _beta32 was fine with libpng 1.4, seems upstream added some retarded logic into _beta35: checking for libpng version >= 1.2.5... 1.4.2, ok checking for libpng version < 1.4 (not supported at the moment!)... bad configure: error: cannot find a suitable PNG library This needs to be patched out of the configure script, and please, if you plan on adding new packages into ~arch with libpng in *DEPEND string, really test it before committing...
Pardon the goof (my bad) - I did not have libpng 1.4 installed when testing. I have disabled this logic, but I am concerned there may be a real reason for it. PNGs seem to write OK, however.