The manual page for mkisofs references a README.sort file which is present in the mkisofs subdirectory in the tarball but is not installed by the ebuild. * app-cdr/cdrtools Available versions: 2.01-r1 2.01-r3 2.01.01_alpha10 ~2.01.01_alpha11 ~2.01.01_alpha18 Installed: 2.01.01_alpha10 Homepage: http://cdrecord.berlios.de/ Description: A set of tools for CD/DVD reading and recording, including cdrecord Portage 2.1.1 (default-linux/x86/2006.1/desktop, gcc-4.1.1, glibc-2.4-r3, 2.6.18-gentoo-src i686) ================================================================= System uname: 2.6.18-gentoo-src i686 AMD Athlon(tm) XP 1800+ Gentoo Base System version 1.6.15 Last Sync: Sat, 04 Nov 2006 14:00:01 +0000 ccache version 2.3 [enabled] app-admin/eselect-compiler: [Not Present] dev-java/java-config: 1.2.11-r1 dev-lang/python: 2.3.5-r2, 2.4.3-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.3 dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.60 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2 sys-devel/binutils: 2.16.1-r3 sys-devel/gcc-config: 1.3.13-r4 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r1 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=athlon-xp -mfpmath=sse -fomit-frame-pointer -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb /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/" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/terminfo" CXXFLAGS="-O2 -march=athlon-xp -mfpmath=sse -fomit-frame-pointer -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache distlocks maketest metadata-transfer nostrip sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://www.ibiblio.org/pub/Linux/distributions/gentoo" LANG="en_US.UTF-8" LINGUAS="" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 3dnow 3dnowext X a52 aac acpi aim alsa amr amuled apache2 audiofile avi bcmath berkdb bitmap-fonts bzip2 cairo caps cdb cdparanoia cdr cjk cli cpdflib cracklib crypt cscope ctype cups curl dbus dbx debug dedicated dga dio dlloader doc dri dts dv dvb dvd dvdr dvdread elibc_glibc emboss encode erandom ethereal examples exif expat fam fbcon ffmpeg firefox flac flash flatfile fontconfig foomaticdb fortran ftp gb gcj gd gdbm ggi gif ginac glibc-omitfp glut gmp gphoto2 gpm gstreamer gtk gtk2 gtkhtml hal hardened howl iconv icq idn ieee1394 imagemagick imap imlib inifile input_devices_evdev input_devices_joystick input_devices_kbd input_devices_keyboard input_devices_mouse ipv6 isdnlog jabber javascript jpeg kdexdeltas kerberos kernel_linux lcms libg++ libwww linuxthreads-tls live lm_sensors lua lzo mad maildir matroska matrox mbox mikmod mime ming mmap mmx mmxext mng mozilla mp3 mpeg msn musepack nas ncurses network nls nptl nptlonly nsplugin offensive ogg oggvorbis openal opengl osc oscar oss pam pcntl pcre pdflib perl png ppds pppd python qt3 qt4 quicktime readline real recode reflection remote rtc ruby samba sasl sdl session sharedmem shorten skey slp sndfile snmp sockets sox speex spell spl sqlite sse ssl svg sysvipc tcpd test tetex theora threads tidy tiff truetype truetype-fonts type1-fonts udev unicode usb userland_GNU userlocales v4l vcd video_cards_ati video_cards_mga video_cards_radeon videos vorbis wifi win32codecs wmf x264 xanim xface xml xml2 xorg xosd xpm xprint xv xvid xvmc yahoo zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
I changed all cdrtools-packages to install the READMEs which have been missed in the past. Version numbers didn't change, so you have to re-install the ebuild.