>>> md5 src_uri ;-) octave-2.1.57.tar.bz2 >>> Unpacking source... >>> Unpacking octave-2.1.57.tar.bz2 to /var/tmp/portage/octave-2.1.57-r1/work >>> Source unpacked. readline zlib configure: error: unrecognized option: -lz Try `./configure --help' for more information. !!! ERROR: app-sci/octave-2.1.57-r1 failed. !!! Function src_compile, Line 68, Exitcode 1 !!! configure failed Reproducible: Always Steps to Reproduce: 1. 2. 3. Portage 2.0.50-r11 (default-x86-1.4, gcc-3.3.4, glibc-2.3.3.20040420-r0,2.3.2-r9,2.3.3.20040420-r1, 2.6.7-gentoo-r14) ================================================================= System uname: 2.6.7-gentoo-r14 i686 AMD Athlon(tm) XP 1800+ Gentoo Base System version 1.4.16 ccache version 2.3 [enabled] Autoconf: sys-devel/autoconf-2.58-r1,sys-devel/autoconf-2.59-r4,sys-devel/autoconf-2.59-r3 Automake: sys-devel/automake-1.8.3,sys-devel/automake-1.7.7,sys-devel/automake-1.8.5-r1 ACCEPT_KEYWORDS="x86" AUTOCLEAN="no" CFLAGS="-O3 -march=athlon-xp -pipe" CHOST="i686-pc-linux-gnu" COMPILER="" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /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="-O3 -march=athlon-xp -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs buildpkg ccache sandbox" GENTOO_MIRRORS="http://gentoo.osuosl.org http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="3dnow X aalib acpi alsa apm arts avi berkdb bitmap-fonts bonobo cdr crypt cups curl dga directfb doc encode esd evo fam foomaticdb gb gd gdbm gif gnome gphoto2 gpm gstreamer gtk gtk2 gtkhtml guile imlib java jpeg kde ladcca lcms ldap libg++ libgda libwww mad mikmod mmx motif mozilla mpeg ncurses nls oggvorbis opengl oss pam pdflib perl plotutils png ppds python qt quicktime readline samba sasl scanner sdl slang slp speex spell ssl svga tcltk tcpd tetex tiff tlctk truetype unicode usb videos wmf x86 xinerama xml2 xmms xprint xv zlib"
What a difference a " " makes... thanks for reporting.