gentoo src # genkernel --menuconfig all

/usr/share/genkernel/gen_funcs.sh: line 46: ${LOGFILE}: ambiguous redirect
/usr/share/genkernel/gen_compile.sh: line 217: [: : integer expression expected
/usr/share/genkernel/gen_funcs.sh: line 152: ${LOGFILE}: ambiguous redirect
/usr/share/genkernel/gen_compile.sh: line 226: ${LOGFILE}: ambiguous redirect
/usr/share/genkernel/gen_funcs.sh: line 46: ${LOGFILE}: ambiguous redirect