For Lucid, see bug 498354. For Karmic, the source package needs a simple rebuild, as indicated by using piuparts on a locally pbuilt no-change source package: crimsun@errno:~/pbuilder/result $ sudo piuparts -b /home/crimsun/pbuilder/karmic-base.tg> /usr/sbin/piuparts:48: DeprecationWarning: the sets module is deprecated import sets 0m0.0s INFO: ------------------------------------------------------------------------------ 0m0.0s INFO: To quickly glance what went wrong, scroll down to the bottom of this logfile. 0m0.0s INFO: FAQ available at http://wiki.debian.org/piuparts/FAQ 0m0.0s INFO: ------------------------------------------------------------------------------ 0m0.0s INFO: piuparts version 0.36ubuntu2 starting up. 0m0.0s INFO: Command line arguments: /usr/sbin/piuparts -b /home/crimsun/pbuilder/karmic-base.tgz --skip-minimize -d karmic -D ubuntu -m http://localhost:3142/ubuntu main universe libghc6-src-exts-dev_1.0.1-1build2_amd64.deb 0m0.0s INFO: Running on: Linux errno 2.6.32-9-generic #13-Ubuntu SMP Thu Dec 17 17:01:59 UTC 2009 x86_64 0m0.0s DEBUG: Starting command: ['dpkg', '--info', 'libghc6-src-exts-dev_1.0.1-1build2_amd64.deb'] 0m0.0s DUMP: new debian package, version 2.0. size 2089230 bytes: control archive= 1814 bytes. 978 bytes, 21 lines control 2117 bytes, 17 lines md5sums 701 bytes, 25 lines * postinst #!/bin/sh 733 bytes, 30 lines * prerm #!/bin/sh Package: libghc6-src-exts-dev Source: haskell-src-exts Version: 1.0.1-1build2 Architecture: amd64 Maintainer: Debian Haskell Group