reported by Autobuilder https://autobuilder.yocto.io/builders/nightly-checkuri/builds/264/steps/BuildImages/logs/stdio ERROR: libpng12-1.2.56-r0 do_checkuri: Fetcher failure for URL: 'http://distfiles.gentoo.org/distfiles/libpng-1.2.56.tar.xz'. URL http://distfiles.gentoo.org/distfiles/libpng-1.2.56.tar.xz doesn't work ERROR: libpng12-1.2.56-r0 do_checkuri: Function failed: do_checkuri ERROR: Logfile of failure stored in: /home/pokybuild/yocto-autobuilder/yocto-worker/nightly-checkuri/build/build/tmp/work/i586-poky-linux/libpng12/1.2.56-r0/temp/log.do_checkuri.22054 NOTE: recipe libpng12-1.2.56-r0: task do_checkuri: Failed Manual inspection shows the version libpng-1.2.56.tar.xz is not present anymore, seems to have been replaced by libpng-1.2.57.xz
Punting these to Maxin: I think you moved libpng to gentoo download site at some point?
http://lists.openembedded.org/pipermail/openembedded-core/2017-July/139887.html
http://git.yoctoproject.org/cgit.cgi/poky/commit/?h=morty&id=81f8a454d0fe1ccf1042cbe6d53b4ecf52c5c22d