Created attachment 337922 [details] emerge --info media-libs/devil has automagic on media-libs/jasper: 1) emerge media-libs/jasper 2) emerge media-libs/devil 3) uninstall jasper: [...] !!! existing preserved libs: >>> package: media-libs/jasper-1.900.1-r5 * - /usr/lib64/libjasper.so.1 * - /usr/lib64/libjasper.so.1.0.0 * used by /usr/lib64/libIL.so.1.1.0 (media-libs/devil-1.7.8-r1) [...] The NEWS file in the devil source tarball says this: 1.7.1 --- [...] - Added JPEG 2000 support with JasPer. There is also a configure switch: $ sh configure --help [...] --enable-jp2 Compile jp2 support. JP2 (JPEG 2000) is a better, but not so widespread, alternative to JPEG. JasPer powered (default=yes) [...] Please expose this switch in the ebuild. Thanks four your work!
we could argue about revbump here, but I think it will pop up for most people in --newuse anyway + 09 Feb 2013; Julian Ospald <hasufell@gentoo.org> devil-1.7.8-r1.ebuild: + add jpeg2k useflag wrt #455438