When I try to emerge gcc-3.4.3, I get configure error : cannot run C compiled programs ... make: *** [configure-target-libstdc++-v3] Error 1 I found that it is connected with multilib parameter in my /etc/make.conf but I have to use it to compile 32-bit binaries. Reproducible: Always Steps to Reproduce: 1. 2. 3. Portage 2.0.51-r3 (default-linux/amd64/2004.3, gcc-3.3.4, glibc-2.3.4.20040808-r1, 2.6.9-gentoo-r1 x86_64) ================================================================= System uname: 2.6.9-gentoo-r1 x86_64 4 Gentoo Base System version 1.4.16 distcc 2.17 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] Autoconf: sys-devel/autoconf-2.59-r5 Automake: sys-devel/automake-1.8.5-r1 Binutils: sys-devel/binutils-2.15.90.0.1.1-r3 Headers: sys-kernel/linux26-headers-2.6.8.1-r1 Libtools: sys-devel/libtool-1.5.2-r7 ACCEPT_KEYWORDS="amd64" AUTOCLEAN="yes" CFLAGS="-march=k8 -O2" CHOST="x86_64-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/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=k8 -O2" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks 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="amd64 X acpi alsa arts berkdb bitmap-fonts cdr crypt cups esd f77 fam flac fortran gdbm gif gnome gphoto2 gpm gstreamer gtk imap imlib ipv6 java jp2 jpeg junit ldap libwww lzw lzw-tiff mikmod motif mozilla multilib mysql ncurses nls oggvorbis opengl oss pam pdflib perl png python readline samba sdl slang ssl tcltk tcpd tetex tiff truetype usb userlocales xml2 xmms xpm xrandr xv zlib linguas_pl"
*** This bug has been marked as a duplicate of 75236 ***