The following should be checked beforehand by REQUIRED_USE or something alike, I guess... (packages like sys-libs/libblockdev do it correctly): >>> Starting pkg_setup * No Python implementation selected for the build. Please set * the PYTHON_SINGLE_TARGET variable in your make.conf to one * of the following values: * * python2_7 python3_4 python3_5 python3_6 !!! ERROR in dev-libs/libbytesize-1.2::gentoo: !!! In python_setup at line 3608 !!! No supported Python implementation in PYTHON_SINGLE_TARGET/PYTHON_TARGETS. !!! Call stack: !!! * python_setup (/var/tmp/paludis/dev-libs-libbytesize-1.2/temp/loadsaveenv:3608) !!! * python-single-r1_pkg_setup (/var/tmp/paludis/dev-libs-libbytesize-1.2/temp/loadsaveenv:2857) !!! * pkg_setup (/var/tmp/paludis/dev-libs-libbytesize-1.2/temp/loadsaveenv:2807) !!! * ebuild_f_setup (/usr/libexec/paludis/0/pkg_setup.bash:43) !!! * ebuild_main (/usr/libexec/paludis/ebuild.bash:675) !!! * main (/usr/libexec/paludis/ebuild.bash:698) diefunc: making ebuild PID 32152 exit with error die trap: exiting with error.
We no longer use python-single-r1 eclass in =dev-libs/libbytesize-1.2-r1