checking for i686-pc-linux-gnu-gcc... i686-pc-linux-gnu-gcc checking for C compiler default output file name... configure: error: C compiler cannot create executables See `config.log' for more details. This is the output from "FEATURES=-sandbox emerge sandbox", which I ran as the ebuild suggested. Here's config.log from /var/tmp/portage/sys-apps/sandbox-1.2.18.1-r2/work/build-x86-x86_64-pc-linux-gnu: configure:2253: i686-pc-linux-gnu-gcc --version </dev/null >&5 gcc-config error: i686-pc-linux-gnu-gcc wrapper: Could not determine which compiler to use. Invalid CTARGET or CTARGET has no selected profile. configure:2256: $? = 1 Reproducible: Always Steps to Reproduce: 1. emerge glibc or 1. FEATURES=-sandbox emerge sandbox Actual Results: checking for i686-pc-linux-gnu-gcc... i686-pc-linux-gnu-gcc checking for C compiler default output file name... configure: error: C compiler cannot create executables See `config.log' for more details. Expected Results: build sandbox. Portage 2.1.4_rc3 (!/usr/portage/profiles/default-linux/amd64/2006.1/desktop, gcc-4.2.2, glibc-2.6.1-r0, 2.6.23.8 x86_64) ================================================================= System uname: 2.6.23.8 x86_64 unknown Timestamp of tree: Mon, 26 Nov 2007 18:16:01 +0000 app-shells/bash: 3.2_p17-r1 dev-lang/python: 2.3.6, 2.4.4-r4, 2.5.1-r3 dev-python/pycrypto: 2.0.1-r6 sys-apps/baselayout: 1.12.10-r5 sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.61-r1 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: 2.18-r1 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.24 virtual/os-headers: 2.6.23 ACCEPT_KEYWORDS="amd64 ~amd64" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=athlon64" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/revdep-rebuild /etc/terminfo /etc/udev/rules.d" CXXFLAGS="-O2 -pipe -march=athlon64" DISTDIR="/usr/portage/distfiles" FEATURES="distlocks metadata-transfer notitles sfperms strict unmerge-orphans userfetch userpriv" GENTOO_MIRRORS="ftp://ftp.gentoo.mesh-solutions.com/gentoo/ ftp://ftp-1.gwdg.de/pub/linux/gentoo http://distfiles.gentoo.org" 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="/tmp/portage" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="X aac acpi alsa amd64 arts berkdb bitmap-fonts bzlib cairo cdb cdr cli cracklib crypt dbus dri dvb dvd dvdr eds emboss encode esd exif fam firefox flac fortran ftp gdbm gif gmp gnome gpm gstreamer gtk gtk2 gtkhtml hal iconv ipv6 isdnlog jabber jpeg jpeg2k kde kdeenablefinal ldap mad maildir midi mikmod mmap mozilla mp3 mpeg mudflap ncurses netboot nodrm nptl nptlonly offensive ogg oggvorbis opengl openmp oss pam pcre png posix ppds pppd qt3 qt4 quicktime readline reflection sdl session slang sockets speex spell spl ssl theora tiff truetype truetype-fonts type1-fonts unicode vorbis xinerama xml xorg xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci 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="apm ark chips cirrus cyrix dummy fbdev glint i128 i810 mach64 mga neomagic nv r128 radeon rendition s3 s3virge savage siliconmotion sis sisusb tdfx tga trident tseng v4l vesa vga via vmware voodoo" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
See bug 133209 . Comment #25 has the short solution.
*** This bug has been marked as a duplicate of bug 135688 ***
