Bugzilla Bug 137186

# emerge =gimp-2.2.11
...
/bin/sh ../../libtool --tag=CC --mode=link x86_64-pc-linux-gnu-gcc 
-march=athlon64 -O3 -fmessage-length=0 -pipe -Wall   -o png  png.o
../../libgimp/libgimpui-2.0.la ../../libgimpwidgets/libgimpwidgets-2.0.la
../../libgimp/libgimp-2.0.la ../../libgimpcolor/libgimpcolor-2.0.la
../../libgimpbase/libgimpbase-2.0.la -lpng -lz -lgtk-x11-2.0 -lgdk-x11-2.0
-latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lpango-1.0 -lcairo
-lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0
x86_64-pc-linux-gnu-gcc -march=athlon64 -O3 -fmessage-length=0 -pipe -Wall -o
.libs/png png.o  ../../libgimp/.libs/libgimpui-2.0.so
../../libgimpwidgets/.libs/libgimpwidgets-2.0.so
../../libgimp/.libs/libgimp-2.0.so ../../libgimpcolor/.libs/libgimpcolor-2.0.so
../../libgimpbase/.libs/libgimpbase-2.0.so /usr/lib64/libpng12.so -lz
/usr/lib64/libgtk-x11-2.0.so /usr/lib64/libgdk-x11-2.0.so
/usr/lib64/libatk-1.0.so /usr/lib64/libgdk_pixbuf-2.0.so -lm
/usr/lib64/libpangocairo-1.0.so /usr/lib64/libpango-1.0.so
/usr/lib64/libcairo.so /usr/lib64/libgobject-2.0.so
/usr/lib64/libgmodule-2.0.so -ldl /usr/lib64/libglib-2.0.so
png.o: In function `load_image':
png.c:(.text+0x70e): undefined reference to `png_read_destroy'
png.o: In function `save_image':
png.c:(.text+0x1583): undefined reference to `png_write_destroy'
collect2: ld returned 1 exit status





# emerge --info
Portage 2.1 (default-linux/amd64/2006.0/no-multilib, gcc-4.1.1/vanilla,
glibc-2.4-r3, 2.6.17-rc6 x86_64)
=================================================================
System uname: 2.6.17-rc6 x86_64 AMD Athlon(tm) 64 Processor 3000+
Gentoo Base System version 1.12.1
ccache version 2.4 [enabled]
dev-lang/python:     2.3.5-r2, 2.4.3-r1
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.4-r2
dev-util/confcache:  0.4.2-r1
sys-apps/sandbox:    1.2.18.1
sys-devel/autoconf:  2.13, 2.59-r7
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2
sys-devel/binutils:  2.16.1-r2
sys-devel/gcc-config: 2.0.0_rc1
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.16
ACCEPT_KEYWORDS="amd64 ~amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=athlon64 -O3 -fmessage-length=0 -pipe"
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/lib64/mozilla/defaults/pref /usr/share/X11/xkb
/usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/eselect/compiler /etc/gconf
/etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c"
CXXFLAGS="-march=athlon64 -O3 -fmessage-length=0 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache confcache digest distlocks metadata-transfer
parallel-fetch sandbox sfperms strict userpriv usersandbox"
GENTOO_MIRRORS="http://modzer0.cs.uaf.edu/public/gentoo/
http://gentoo.mirrored.ca/ http://mirror.isp.net.au/ftp/pub/gentoo/
http://mirror.gentoo.gr.jp http://mirror.datapipe.net/gentoo"
LINGUAS="en_US"
MAKEOPTS="-j2 -l3.5"
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'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/custom_overlay/portage"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
USE="amd64 X a52 aac acl acpi adns aim alsa apache2 arts audiofile avi
bash-completion bcmath bitmap-fonts blas bonobo bzip2 cairo calendar caps
cdinstall cdparanoia cdr cli crypt cscope ctype cups curl curlwrappers dbus
dedicated dga dio directfb doc dri dts dv dvb dvd dvdr dvdread eds
emul-linux-x86 encode esd ethereal evo examples exif expat fam fastcgi fbcon
ffmpeg fftw flac foomaticdb fortran ftp gb gcj gd geoip gif ginac glut gmp gnom
gnome gnutls gphoto2 gpm gps gstreamer gtk gtk2 gtkhtml guile hal icq
imagemagick imap imlib ipv6 isdnlog jabber jack java javascript jikes jpeg kde
kdehiddenvisibility ladcca lapack lash lesstif libg++ libgda libwww lm_sensors
lzw lzw-tiff mad maildir matroska mbox mcal memlimit mhash mikmod mime mmap mng
mnogosearch mono motif mp3 mpeg msn ncurses nhc98 nocd nptl nsplugin ocaml ogg
openal opengl osc oscar pam pcre pdf pdflib perl pic plotutils png portaudio
posix postgres ppds pppd python qt quicktime readline reflection ruby samba
sasl scanner sdl session sharedmem slang sndfile snmp sockets sox speex spell
sqlite sqlite3 ssl startup-notification svg symlink sysfs sysvipc tcpd tetex
theora threads tidy tiff truetype truetype-fonts type1-fonts unicode usb v4l
vcd videos vorbis wmf xine xml xmlrpc xmms xorg xpm xsl xv xvid yahoo zlib
elibc_glibc input_devices_keyboard input_devices_mouse kernel_linux
linguas_en_US userland_GNU video_cards_nvidia"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS,
PORTAGE_RSYNC_EXTRA_OPTS

*** This bug has been marked as a duplicate of 136661 ***