net-snmp fails to compile when running in parallel, the ebuild should block MAKEOPTS/MAKEFLAGS to -j1.
you're going to have to provide a lot more information. emerge --info, what version, etc etc. it also works find for me doing -j5 on a dual xeon 2.8ghz with hyperthreading.
Okey, I had to run it twice to reproduce it now; i'm running with MAKEFLAGS="-j3". -- emerge --info -- Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.2, glibc-2.3.2-r9, 2.4.24) ================================================================= System uname: 2.4.24 i686 AMD Athlon(TM) MP 1900+ Gentoo Base System version 1.4.3.13 Autoconf: sys-devel/autoconf-2.58-r1 Automake: sys-devel/automake-1.7.7 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-O3 -march=athlon-mp -pipe" CHOST="i686-pc-linux-gnu" COMPILER="gcc3" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/env.d" CXXFLAGS="-O3 -march=athlon-mp -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache sandbox" GENTOO_MIRRORS="ftp://ftp.gentoo.no/pub/gentoo http://gentoo.oregonstate.edu http://distro.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X aalib apm arts avi berkdb crypt cups encode esd foomaticdb gdbm gif gnome gpm gtk gtk2 imlib innodb java jpeg kde libg++ libwww mad mikmod motif mozilla mpeg mysql ncurses nls oggvorbis opengl oss pam pdflib perl png python qt quicktime readline sdl slang spell ssl svga tcpd truetype x86 xml2 xmms xv zlib" -- I'll attach the full build-log, the problem shows itself on line 886 in the buildlog.
Created attachment 26383 [details] full log of the emerge
Already fixed.