as root : emerge mldonkey ends with : ocamlopt.opt -inline 10 -I src/utils/cdk -I src/daemon/chat -I src/utils/lib -I src/utils/net -I tools -I src/daemon/common -I src/daemon/driver -I src/utils/mp3tagui -I src/config/unix -I src/gtk/gui -I src/gtk/gui2 -I src/gtk/configwin -I src/gtk/okey -I src/gtk/gpattern -I icons/kde -I +lablgtk -I src/im -I src/im/yahoo -I src/im/irc -I src/networks/direct_connect -I src/networks/opennap -I src/networks/gnutella -I src/networks/fasttrack -I src/networks/bittorrent -I src/networks/donkey -I src/networks/soulseek -c src/gtk/configwin/configwin_types.ml The files /usr/lib/ocaml/pervasives.cmi and /usr/lib/ocaml/lablgtk/gPack.cmi make inconsistent assumptions over interface Pervasives make: *** [src/gtk/configwin/configwin_types.cmx] Error 2 make: *** Waiting for unfinished jobs.... !!! ERROR: net-p2p/mldonkey-2.5.4 failed. !!! Function src_compile, Line 45, Exitcode 2 !!! (no error message) [root@gui - 08:35:47 - ~] # emerge info Portage 2.0.49-r13-2 (default-x86-1.4, gcc-3.3.1, glibc-2.3.2-r6, 2.4.23_pre7-gss) ================================================================= System uname: 2.4.23_pre7-gss i686 AMD Athlon(TM) MP 2400+ Gentoo Base System version 1.4.3.11 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CFLAGS="-march=athlon-mp -O3 -pipe" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /var/qmail/control /usr/kde/2/share/config /usr/kde/3/share/config /usr/X11R6/lib/X11/xkb /opt/tomcat/conf /usr/kde/3.1/share/config /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/config" CONFIG_PROTECT_MASK="/etc/gconf /etc/env.d" CXXFLAGS="-march=athlon-mp -O3 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="sandbox ccache autoaddcvs" GENTOO_MIRRORS="http://www.mirror.ac.uk/sites/www.ibiblio.org/gentoo/" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/usr/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 foomaticdb gnome libg++ mad mikmod spell zlib gtkhtml gdbm berkdb slang tetex guile ruby libwww perl python scanner 3dnow acpi alsa apm arts avi bonobo cdr crypt cups dga doc dvd encode esd evo fbcon ggi gif gphoto2 gpm gtk imap imlib java jikes jpeg kde mmx motif mozilla mozxmlterm mpeg nas ncurses nls oggvorbis opengl oss pam pdflib png qt qtmt quicktime readline samba sdl ssl svga tcltk tcpd tiff truetype usb x X xml2 xmms xv"
re-emerge lablgl and lablgtk and retry
see seemants comment :D
it's ok for me, re-emerge lablgl and lablgtk solved it