dev-libs/botan-1.6.1.ebuild installs the lib files in /usr/usr/lib . Everything else is installed properly in /usr/share, /usr/include, ... Files installed in /usr/usr/lib instead of /usr/lib : /usr/usr/lib/libbotan-1.6.1.so /usr/usr/lib/libbotan.a /usr/usr/lib/libbotan.so -> libbotan-1.6.1.so Reproducible: Always Steps to Reproduce: 1. emerge botan $ emerge --info Portage 2.1.3.9 (default-linux/x86/2007.0, gcc-4.1.2, glibc-2.5-r4, 2.6.22-suspend2-r2 i686) ================================================================= System uname: 2.6.22-suspend2-r2 i686 Intel(R) Core(TM)2 CPU T5500 @ 1.66GHz Timestamp of tree: Thu, 11 Oct 2007 01:47:01 +0000 app-shells/bash: 3.2_p17 dev-java/java-config: 1.3.7, 2.0.33-r1 dev-lang/python: 2.4.4-r4 dev-python/pycrypto: 2.0.1-r6 sys-apps/baselayout: 1.12.9-r2 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.16 sys-devel/libtool: 1.5.23b virtual/os-headers: 2.6.21 ACCEPT_KEYWORDS="x86" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -mtune=i686 -pipe" CHOST="i686-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" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -mtune=i686 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="distlocks metadata-transfer sandbox sfperms strict unmerge-orphans userfetch" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" MAKEOPTS="-j3" 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 --filter=H_**/files/digest-*" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X Xaw3d a52 aac aalib accessibility acl acpi aim alsa ao apache apache2 artworkextra audiofile automount bash-completion beagle berkdb bitmap-fonts bluetooth bzip2 cairo calendar canna cddb cdinstall cdparanoia cdr chasen chm cjk cli cpudetection cracklib crypt cscope ctype cups curl curlwrappers dbus dedicated dga dhcp directfb djvu doc dri dts dv dvb dvd dvdr dvdread eds emacs emboss encode esd evo examples exif expat fastcgi fasttrack fbcon fbsplash ffmpeg fftw firebird firefox flac flatfile foomaticdb fortran freetds freewnn ftp gb gcj gd gdbm geoip ggi gif ginat glut gmp gnome gnustep gnutella gnutls gphoto2 gpm gps graphviz gsl gstreamer gtk gtkhtml guile hal howl hyperwave-api icc iconv icq idn ieee1394 imagemagick imap imlib innodb ipod ipv6 isdnlog jabber jack java javascript jbig jikes joystick jpeg jpeg2k junit kde kerberos krb4 lapack lash latex lcms ldap leim lesstif libcaca libedit libgda libnotify libsamplerate libwww lirc lm_sensors logrotate lua m17n-lib mad maildir mailwrapper matroska mbox mcal mhash midi migemo mikmod milter mime mmap mmx mng mnogosearch mono motif mozilla mp3 mpeg mpi mplayer msn msql mssql mudflap mule musepack musicbrainz mysql mysqli nas ncurses neXt netboot netcdf network nfs nis nls nntp noamazon nocd nptl nptlonly nsplugin nvidia ocaml oci8 odbc offensive ofx ogg openal openexr openft opengl openmp oracle oracle7 osc oscar oss ovrimos pam pcmcia pcntl pcre pda pdf perl pfpro php plotutils png portaudio posix postgres povray ppds pppd prelude profile pulseaudio python qdbm qt3 qt4 quicktime radius rdesktop readline real recode reflection ruby samba sapdb sasl scanner sdl seamonkey session sharedext sharedmem shorten simplexml skey slang slp smartcard sndfile snmp soap sockets socks5 solid source sox speex spell spl sqlite sqlite3 sse sse2 ssl startup-notification svg svga sybase sybase-ct sysvipc szip tcl tcpd tetex theora threads tidy tiff tk tokenizer truetype truetype-fonts type1-fonts unicode usb v4l vcd vhosts videos vidix vim-syntax visualization vnc vorbis wacom wavpack wddx webdav wifi win32codecs wmf wxwindows x264 x86 xcomposite xface xforms xine xinerama xinetd xml xmlrpc xorg xosd xpm xprint xscreensaver xsl xulrunner xv xvid yahoo yaz zip zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 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="nvidia vesa" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
Created attachment 133562 [details] "equery files botan" output
You are correct!
That was quick :-)