This one is a complete mystery to me but it is 100% reproducible when rebuilding the package and retrying the install. I have confirmed this on 7 different systems. ipp009 ~ # emerge -Kva fftw These are the packages that would be merged, in order: Calculating dependencies... done! [binary N ] sci-libs/fftw-3.1.2 USE="sse sse2 -altivec -test" Total: 1 package (1 new), Size of downloads: 0 kB Would you like to merge these packages? [Yes/No] >>> Emerging (1 of 1) sci-libs/fftw-3.1.2 to / >>> Extracting info Invalid package name: sci-libs/fftw-3.1.2:3.0 Traceback (most recent call last): File "/usr/bin/emerge", line 5547, in ? retval = emerge_main() File "/usr/bin/emerge", line 5542, in emerge_main myopts, myaction, myfiles, spinner) File "/usr/bin/emerge", line 5009, in action_build retval = mergetask.merge(pkglist, favorites, mtimedb) File "/usr/bin/emerge", line 3221, in merge prev_mtimes=ldpath_mtimes) File "/usr/lib64/portage/pym/portage.py", line 8021, in pkgmerge tree="bintree", mydbapi=mydbapi, vartree=vartree) File "/usr/lib64/portage/pym/portage.py", line 3447, in doebuild use_cache, mydbapi) File "/usr/lib64/portage/pym/portage.py", line 3013, in doebuild_environment mysettings.setcpv(mycpv, use_cache=use_cache, mydb=mydbapi) File "/usr/lib64/portage/pym/portage.py", line 1724, in setcpv best_match = best_match_to_list(cpv_slot, cpdict.keys()) File "/usr/lib64/portage/pym/portage_dep.py", line 528, in best_match_to_list for x in match_to_list(mypkg, mylist): File "/usr/lib64/portage/pym/portage_dep.py", line 499, in match_to_list if match_from_list(x, [mypkg]): File "/usr/lib64/portage/pym/portage_dep.py", line 630, in match_from_list result = pkgcmp(pkgsplit(remove_slot(x)), mysplit) File "/usr/lib64/portage/pym/portage_versions.py", line 188, in pkgcmp r1=float(pkg1[2][1:]) ValueError: empty string for float() ipp009 ~ # emerge -va fftw These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild N ] sci-libs/fftw-3.1.2 USE="sse sse2 (-altivec) -test" 2,673 kB Total: 1 package (1 new), Size of downloads: 2,673 kB Would you like to merge these packages? [Yes/No] >>> Verifying ebuild Manifests... >>> Emerging (1 of 1) sci-libs/fftw-3.1.2 to / Adjusting permissions recursively: '/portage/distfiles/' Adjusting permissions recursively: '/portage/distfiles/.locks' >>> Downloading 'http://distfiles.gentoo.org/distfiles/fftw-3.1.2.tar.gz' --17:38:35-- http://distfiles.gentoo.org/distfiles/fftw-3.1.2.tar.gz => `/portage/distfiles/fftw-3.1.2.tar.gz' Resolving distfiles.gentoo.org... 216.165.129.135 Connecting to distfiles.gentoo.org|216.165.129.135|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 2,736,360 (2.6M) [application/x-gzip] 100%[====================================>] 2,736,360 1.02M/s 17:38:38 (1.02 MB/s) - `/portage/distfiles/fftw-3.1.2.tar.gz' saved [2736360/2736360] * checking ebuild checksums ;-) ... [ ok ] * checking auxfile checksums ;-) ... [ ok ] * checking miscfile checksums ;-) ... [ ok ] * checking fftw-3.1.2.tar.gz ;-) ... [ ok ] >>> Unpacking source... >>> Unpacking fftw-3.1.2.tar.gz to /var/tmp/portage/sci-libs/fftw-3.1.2/work >>> Source unpacked. >>> Compiling source in /var/tmp/portage/sci-libs/fftw-3.1.2 ... Reproducible: Always Actual Results: Portage 2.1.2.9 (!../usr/portage/profiles/default-linux/amd64/2007.0, gcc-4.1.2, glibc-2.5-r3, 2.6.22-gentoo x86_64) ================================================================= System uname: 2.6.22-gentoo x86_64 Dual-Core AMD Opteron(tm) Processor 2220 Gentoo Base System release 1.12.9 Timestamp of tree: Mon, 09 Jul 2007 18:00:01 +0000 distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] ccache version 2.4 [enabled] dev-java/java-config: 1.3.7, 2.0.33-r1 dev-lang/python: 2.4.4-r4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.4-r7 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.61 sys-devel/automake: 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.16 sys-devel/libtool: 1.5.23b virtual/os-headers: 2.6.17-r2 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=k8" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config /usr/share/genkernel" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/init.d /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -march=k8" DISTDIR="/portage/distfiles" FEATURES="ccache distlocks metadata-transfer parallel-fetch sandbox sfperms strict suidctl userfetch userpriv usersandbox" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" MAKEOPTS="-j5" PKGDIR="/data/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 --filter=H_**/files/digest-*" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/data/portage" PORTDIR_OVERLAY="/data/portage_overlay" SYNC="rsync://gentoo.ifa.hawaii.edu/gentoo-portage-ipp" USE="X acl acpi amd64 apache2 bash-completion berkdb bitmap-fonts cli cracklib crypt cups dri firefox fontconfig fortran gdbm gif gnome gnome2 gnutls gpm graphviz gtk gtk2 iconv imap ipv6 isdnlog jbig jpeg jpeg2k lcms libg++ mbox midi mmx mpeg mudflap ncurses nfs nls nptl openmp pam pcre perl pic png pppd python readline reflection samba session spl sse sse2 ssl svg sysfs tcpd tiff truetype truetype-fonts type1-fonts unicode vim-with-x xattr xinerama xorg xpm xv zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route share shm softvol" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="r128 radeon nv vga" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
At minimum upgrade your portage to latest stable before reporting portage bugs, please. Reopen if you can reproduce with 2.1.3.9
This bug appears to be resolved in 2.1.3.9.
