Bug#290466: exim4-base: postinst fails on upgrade from 4.34-9

[Peter Rockai (mornfall)]

Package: exim4-base
Version: 4.34-10
Severity: normal


Setting up exim4-base (4.34-10) ...
mkdir: invalid option -- o
Try `mkdir --help' for more information.
dpkg: error processing exim4-base (--configure):

>From aptitude log:
[UPGRADE] exim4-base 4.34-9 -> 4.34-10

-- Package-specific info:
Exim version 4.34 #1 built 05-Jan-2005 11:06:10
Copyright (c) University of Cambridge 2004
Berkeley DB: Sleepycat Software: Berkeley DB 3.2.9: (May 26, 2004)
Support for: iconv() IPv6 GnuTLS
Lookups: lsearch wildlsearch nwildlsearch iplsearch cdb dbm dbmnz dsearch nis nis0 passwd
Authenticators: cram_md5 plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp
Fixed never_users: 0
Configuration file is /var/lib/exim4/config.autogenerated
# /etc/exim4/update-exim4.conf.conf
#
# Edit this file and /etc/mailname by hand and execute update-exim4.conf
# yourself or use 'dpkg-reconfigure exim4-config'

dc_eximconfig_configtype='internet'
dc_other_hostnames=''
dc_local_interfaces=''
dc_readhost=''
dc_relay_domains=''
dc_minimaldns='false'
dc_relay_nets=''
dc_smarthost=''
CFILEMODE='644'
dc_use_split_config='false'
dc_hide_mailname=''
mailname:sirion

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.9-1-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages exim4-base depends on:
ii  adduser                     3.59         Add and remove users and groups
ii  cron                        3.0pl1-86    management of regular background p
ii  debconf [debconf-2.0]       1.4.41       Debian configuration management sy
ii  exim4-config [exim4-config- 4.34-10      Debian configuration for exim4
ii  libc6                       2.3.2.ds1-20 GNU C Library: Shared libraries an
ii  libdb3                      3.2.9-20     Berkeley v3 Database Libraries [ru
ii  netbase                     4.19         Basic TCP/IP networking system
ii  passwd                      1:4.0.3-30.7 Change and administer password and

-- debconf information:
  exim4/purge_spool: false
  exim4/move_exim3_spool: false