Bugzilla Bug 81823

emerge -vp gawk this morning pulled in gawk-3.1.4-r2
changelog indicates that xmlgawk support has been added: this requires linking with libexpat
libexpat is installed in /usr/lib -> this dir is not available at boot time
when rebooting the system, /sbin/rc fails at its first invocation of awk -> because, of course, it can't find libexpat.so

Reproducible: Always
Steps to Reproduce:
1.have libexpat installed
2.emerge -vp gawk
3.reboot

Actual Results:  
first time awk is used by /sbin/rc (to check /etc/fstab for devfs), it fails,
saying that it requires libexpat.so and can't find it - this causes a series of
follow on errors... you'll get the gentoo message about requiring either devfs
or udev and "press enter or boot continues in 15 secs" and then boot hangs after
a series of "/etc/init.d/softlink/<xyz>

Expected Results:  
two possibilities for emerging correctly:
  a) not include xmlgawk (which is what pulls in the libexpat dependency)
  b) copy the libexpat libs to /lib (this is what i did after rebooting using an
emergency boot cd: just copied all the /usr/lib/*expat* libs, created the
appropriate symlinks, updated libexpat.la w/ the appropriate dir - and i was up
w/o a problem after that)

ashu@liberte:/etc/runlevels$ emerge info
Portage 2.0.51-r15 (default-linux/x86/2004.3, gcc-3.4.3,
glibc-2.3.4.20041102-r0, 2.6.10-gentoo-r7 i686)
=================================================================
System uname: 2.6.10-gentoo-r7 i686 Intel(R) Pentium(R) M processor 1700MHz
Gentoo Base System version 1.6.9
Python:              dev-lang/python-2.3.4-r1 [2.3.4 (#1, Feb  7 2005, 14:16:38)]
dev-lang/python:     2.3.4-r1
sys-devel/autoconf:  2.59-r6, 2.13
sys-devel/automake:  1.8.5-r3, 1.5, 1.4_p6, 1.6.3, 1.7.9, 1.9.4
sys-devel/binutils:  2.15.92.0.2-r2
sys-devel/libtool:   1.5.10-r4
virtual/os-headers:  2.6.8.1-r2
ACCEPT_KEYWORDS="x86 ~x86"
AUTOCLEAN="yes"
CFLAGS="-O3 -pipe -march=pentium-m -mtune=pentium-m -mfpmath=sse,387 -mmmx -msse
-msse2 -minline-all-stringops -momit-leaf-frame-pointer -frename-registers
-fno-ident -fomit-frame-pointer -fweb -ftracer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/opt/openjms/config /usr/kde/3.3/env /usr/kde/3.3/share/config
/usr/kde/3.3/shutdown /usr/lib/X11/xkb /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"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-O3 -pipe -march=pentium-m -mtune=pentium-m -mfpmath=sse,387 -mmmx
-msse -msse2 -minline-all-stringops -momit-leaf-frame-pointer -frename-registers
-fno-ident -fomit-frame-pointer -fweb -ftracer"
DISTDIR="/scratch/portage/distfiles"
FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms userpriv"
GENTOO_MIRRORS="ftp://gentoo.mirrors.pair.com/ http://gentoo.mirrors.pair.com/
ftp://gentoo.netnitco.net/pub/mirrors/gentoo/source/ http://gentoo.netnitco.net
ftp://ftp.gtlib.cc.gatech.edu/pub/gentoo http://gentoo.chem.wisc.edu/gentoo/
ftp://gentoo.chem.wisc.edu/gentoo/
http://mirror.clarkson.edu/pub/distributions/gentoo/
http://mirror.datapipe.net/gentoo http://mirror.datapipe.net/gentoo
http://www.gigaload.org/gentoo.org/ http://gentoo.binarycompass.org
http://ftp-mirror.internap.com/pub/gentoo/
http://csociety-ftp.ecn.purdue.edu/pub/gentoo/
ftp://csociety-ftp.ecn.purdue.edu/pub/gentoo/ "
LANG="C"
LC_ALL="C"
MAKEOPTS="-j2"
PKGDIR="/scratch/portage/packages"
PORTAGE_TMPDIR="/scratch/tmp"
PORTDIR="/scratch/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="x86 X X509 Xaw3d a52 aalib acl acpi adns aim alsa antlr apache2 apm arts
artswrappersuid artworkextra ati atm audio audiofile authdaemond avi
bash-completion bcel beanutils berkdb bfsv4 bigger-fonts bindist bitmap-fonts
bluetooth bonobo bsh bzip2 bzlib c++ calendar caps cdda cddb cdio cdparanoia cdr
client commonslogging commonsnet cpdflib cracklib crypt cscope ctype cups curl
curlwrappers dba dbm dbx dga dio divx4linux djbfft dlloader doc dts dv dvb dvd
dvdr dvdread ecc edl eds emacs emacs-w3 encode erandom esd ethereal evo exif f77
faad fam fame fastcgi fbcon fdftk ffmpeg fftw flac flash flatfile font-server
foomaticdb fortran freetds freetype ftp fusion g++ g77 gb gcj gd gdbm ggi gif
gimp gimp-print gimpprint ginac gjava glut gmp gnat gnokii gnome gnutls gobjc
gphoto2 gpm gps gsm gstreamer gtk gtk2 gtkhtml guile hal howl httpd iconv icq
idea ieee1394 imagemagick imap imlib inifile innodb insecure-drivers iodbc ipv6
irda ithreads jabber jack java javamail javascript jdepend jikes jms jmx
joystick jpeg jpeg2k jsch junit jython kde kdeenablefinal kerberos krb4 ladcca
lcms ldap leim libcaca libedit libg++ libgda libwww lirc log4j lzo lzw-tiff mad
maildir mailwrapper mbox mcal mcve mhash mikmod milter mime ming mjpeg mmap mmx
mmx2 mng motif mozcalendar mozcompose mozdevelop mozilla mozirc mozmail mozsvg
mozxft mozxmlterm mp3 mp4 mpeg mpeg2 mpi msn multicall mysql mythtv nas ncurses
netcdf network nls nntp nptl nptlonly oav objc odbc offensive ogg oggvorbis
openal opengl oro oscar oss pam pcmcia pcntl pcre pda pdflib perl perlsuid
pg-hier pg-intdatetime pg-vacuumdelay php pic pie plotutils png pnp portaudio
posix postgres povray ppds prelude python qdbm qt quicktime radeon readline real
recode regexp rhino rtc ruby samba sasl scanner sdl sendmail server session
sftplogging shared sharedmem silc simplexml slang slp sms smux sndfile snmp soap
sockets speex spell spl sqlite sse sse2 ssl stream svg svga sysvipc szip tcltk
tcpd tetex theora threads tidy tiff tokenizer tpctlir truetype truetype-fonts
trusted type1-fonts unicode usb userlocales v4l v4l2 vcd vdesktop vhosts video
videos vim-with-x vlm vorbis wddx wifi wmf wxwindows xalan xanim xerces xface
xine xinerama xml xml2 xmlrpc xmms xosd xpm xprint xscreensaver xsl xv xvid xvmc
yahoo yaz zeo zlib"
Unset:  ASFLAGS, CBUILD, CTARGET, LDFLAGS, PORTDIR_OVERLAY

I too found I was unable to boot my system this morning due to a missing
libexpat.so.0. Please, either remove this dependancy from gawk or install
libexpat to /lib so that awk can find it at boot time. This will of course only
affect ppl with /usr as a seperate partition but I would think that is a common
enough configuration.

This happened to me to (/ is on hda3 and /usr is on hda5). Thank <insert deity>
for LiveCDs!...

Copying the expat libs from /usr/lib to /lib seems to fix it. Though that seems
to be a dirty dirty kludge, it works for now ... =/

Perhaps xmlgawk can be added as a seperate ebuild? so that way the normal
(g)awk works...well, normally?

I just thought of something: perhaps since awk is so vitally important in the
startup scripts it should be statically linked to the expat library if the xml
USE flag is set? Hm...

I offered to agriffis that I would submit a patch to remove the use of awk in
/sbin/rc . I think that would be a better solution than hacking up other stuff.

If there is a simpler fix by all means lets do it. But removing awk would be
simple enough in this case.

*** This bug has been marked as a duplicate of 81793 ***