sys-devel/binutils-2.20 compilation failed : libtool: link: x86_64-pc-linux-gnu-gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -march=k8 -O2 -pipe -Wl,-O1 -o .libs/size size.o bucomm.o version.o filemode.o ../bfd/.libs/libbfd.so -L/var/tmp/portage/sys-devel/binutils-2.20/work/build/bfd/../libiberty/pic -liberty ../libiberty/libiberty.a -lz -Wl,-rpath -Wl,/usr/lib64/binutils/x86_64-pc-linux-gnu/2.20 ../bfd/.libs/libbfd.so: undefined reference to `dlsym' ../bfd/.libs/libbfd.so: undefined reference to `dlerror' ../bfd/.libs/libbfd.so: undefined reference to `dlopen' collect2: ld returned 1 exit status adding LDFLAGS="-ldl ${LDFLAGS}" to my /etc/make.conf solves the problem... but I don't know if it's the right way... and should I keep the dl library on my make.conf or was it just useful for this very purpose??? Reproducible: Always Steps to Reproduce: 1.upgrade binutils 2. 3. the "working" emerge --info (take off -ldl flag in LDFLAGS to have a non-working one!) Portage 2.1.6.13 (default/linux/amd64/2008.0, gcc-4.3.4, glibc-2.10.1-r0, 2.6.30-gentoo-r5 x86_64) ================================================================= System uname: Linux-2.6.30-gentoo-r5-x86_64-AMD_Turion-tm-_64_X2_Mobile_Technology_TL-58-with-gentoo-2.0.1 Timestamp of tree: Tue, 20 Oct 2009 12:30:01 +0000 ccache version 2.4 [enabled] app-shells/bash: 4.0_p28 dev-java/java-config: 2.1.8-r1 dev-lang/python: 2.6.2-r2 dev-util/ccache: 2.4-r7 dev-util/cmake: 2.6.4-r3 sys-apps/baselayout: 2.0.1 sys-apps/openrc: 0.5.1-r1 sys-apps/sandbox: 1.6-r2 sys-devel/autoconf: 2.13, 2.63-r1 sys-devel/automake: 1.7.9-r1, 1.10.2 sys-devel/binutils: 2.20 sys-devel/gcc-config: 1.4.1 sys-devel/libtool: 2.2.6a virtual/os-headers: 2.6.30-r1 ACCEPT_KEYWORDS="amd64" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=k8 -msse3 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb /var/lib/hsqldb" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/udev/rules.d" CXXFLAGS="-march=k8 -msse3 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="buildpkg ccache distlocks fixpackages parallel-fetch protect-owned sandbox sfperms strict unmerge-orphans userfetch" GENTOO_MIRRORS="http://mirror.ovh.net/gentoo-distfiles/ ftp://mirror.ovh.net/gentoo-distfiles/ ftp://gentoo.imj.fr/pub/gentoo/ ftp://ftp.free.fr/mirrors/ftp.gentoo.org/ " LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LDFLAGS="-ldl -Wl,-O1" LINGUAS="fr en fr_FR en_US" MAKEOPTS="-j3" PKGDIR="/usr/portage/local/packages/" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/portage/local/pierre /usr/portage/local/freerunner/openmoko-overlay/openmoko-target" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="3dnow 3dnowext X a52 aac aalib acl acpi alsa amd64 ati bash-completion berkdb bzip2 cairo cdr cli cracklib crypt dbus dga dri dvd exif ffmpeg flac fortran gdbm gif gpm gstreamer gtk hal iconv ipv6 isdnlog java java6 jpeg jpeg2k libnotify lm_sensors loop-aes mikmod mmx mmxext modules mp3 mpeg mudflap multilib mysql ncurses nls nptl nptlonly ogg opengl openmp pam pcre pdf perl png pppd python radeon readline reflection session spl sqlite sse sse2 ssl startup-notification svg sysfs tcpd thunar tiff truetype unicode usb v4l v4l2 vim-syntax vorbis x264 xfce xinerama xml xml2 xorg xpm xv zlib" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CAMERAS="canon" ELIBC="glibc" INPUT_DEVICES="keyboard mouse synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="fr en fr_FR en_US" LIRC_DEVICES="packard_bell" USERLAND="GNU" VIDEO_CARDS="ati radeon radeonhd" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
It's good to know it's not an '--as-needed' only bug. *** This bug has been marked as a duplicate of bug 289756 ***
