I got the following output when trying to emerge cdrdao-1.1.8-r1: >>> emerge (1 of 1) app-cdr/cdrdao-1.1.8-r1 to / >>> md5 src_uri ;-) cdrdao-1.1.8.tar.gz >>> Unpacking source... >>> Unpacking cdrdao-1.1.8.tar.gz to /var/tmp/portage/cdrdao-1.1.8-r1/work >>> Source unpacked. configure: error: invalid feature name: debug=full !!! ERROR: app-cdr/cdrdao-1.1.8-r1 failed. !!! Function src_compile, Line 52, Exitcode 1 !!! configure failed Reproducible: Always Steps to Reproduce: 1. 'emerge -uD cdrdao' 2. 3. Actual Results: See above! Expected Results: Clean compile... Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3_pre20040207-r0, 2.4.23-pac1) ================================================================= System uname: 2.4.23-pac1 i686 Mobile Intel(R) Pentium(R) 4 - M CPU 1.90GHz Gentoo Base System version 1.4.3.13p1 distcc 2.13 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [enabled] ccache version 2.3 [enabled] Autoconf: sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.2 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-march=pentium4 -O2 -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=pentium4 -O2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache distcc sandbox" GENTOO_MIRRORS="http://ds.thn.htu.se/linux/gentoo ftp://trumpetti.atm.tut.fi/gentoo http://gentoo.oregonstate.edu http://www.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X aalib acpi acpi4linux alsa apache2 arts avi berkdb cdr crypt cups dvd emacs encode esd evms2 foomaticdb gdbm gif gphoto2 gpm gtk2 imlib java jikes joystick jpeg kde libg++ libwww mad maildir mikmod mmx motif mozilla mpeg ncurses nls oav oggvorbis opengl oss pam pcmcia pda pdflib perl png pnp python qt quicktime readline samba scanner sdl slang spell sse ssl svga tcltk tcpd tetex tiff truetype usb video_cards_radeon wmf x86 xinerama xml2 xmms xv zlib"
Oops, I tested it with USE="debug" set, but it broke with it unset. Curious, but fixed now.