Hi,

original bug was posted: #287430. I am commenting here in parallel.

thomas@thomas-laptop:~$ apt-get source compiz-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
NOTICE: 'compiz' packaging is maintained in the 'Bzr' version control system at:
https://code.launchpad.net/~compiz/compiz/ubuntu
Please use:
bzr get https://code.launchpad.net/~compiz/compiz/ubuntu
to retrieve the latest (possible unreleased) updates to the package.
Need to get 1509kB of source archives.
Get:1 http://archive.ubuntu.com intrepid/main compiz 1:0.7.8-0ubuntu4 (dsc) [2068B]
Get:2 http://archive.ubuntu.com intrepid/main compiz 1:0.7.8-0ubuntu4 (tar) [1464kB]
Get:3 http://archive.ubuntu.com intrepid/main compiz 1:0.7.8-0ubuntu4 (diff) [43.4kB]
Fetched 1509kB in 3min8s (7993B/s)                                             
gpg: Signature made Fri 17 Oct 2008 14:03:04 BST using DSA key ID 5662C734
gpg: Can't check signature: public key not found
dpkg-source: extracting compiz in compiz-0.7.8
dpkg-source: info: unpacking compiz_0.7.8.orig.tar.gz
dpkg-source: info: applying compiz_0.7.8-0ubuntu4.diff.gz
thomas@thomas-laptop:~$ bzr get https://code.launchpad.net/~compiz/compiz/ubuntubzr: ERROR: Connection error: curl connection error (Problem with the SSL CA cert (path? access rights?))
on https://code.launchpad.net/%7Ecompiz/compiz/ubuntu/.bzr/smart 
thomas@thomas-laptop:~$ bzr get https://code.launchpad.net/~compiz/compiz/ubuntubzr: ERROR: Connection error: curl connection error (Problem with the SSL CA cert (path? access rights?))
on https://code.launchpad.net/%7Ecompiz/compiz/ubuntu/.bzr/smart 
thomas@thomas-laptop:~$ sudo apt-get install compiz-core[sudo] password for thomas: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
compiz-core is already the newest version.
The following packages were automatically installed and are no longer required:
  libaspell-dev libcurl4-gnutls-dev libpanel-applet2-dev kernel-wedge
  clamav-freshclam liblualib50-dev libtext-glob-perl libdate-calc-perl
  clamav-base libcarp-clan-perl libclamav5 liblua50-dev asciidoc lua50
  libavahi-qt3-dev libswt-gnome-gtk-3.4-jni libfile-find-rule-perl
  libconfig-tiny-perl libartsc0-dev libswt-cairo-gtk-3.4-jni libvorbis-dev
  libnumber-compare-perl libidn11-dev libarts1-dev libbit-vector-perl
  libswt-mozilla-gtk-3.4-jni
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
thomas@thomas-laptop:~$ sudo apt-get build-dep compiz-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  gnome-control-center-dev libgnome-window-settings-dev
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 126kB of archives.
After this operation, 250kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://ie.archive.ubuntu.com intrepid/main gnome-control-center-dev 1:2.24.0.1-0ubuntu7 [61.5kB]
Get:2 http://ie.archive.ubuntu.com intrepid/main libgnome-window-settings-dev 1:2.24.0.1-0ubuntu7 [64.2kB]
Fetched 126kB in 29s (4320B/s)                                                 
Selecting previously deselected package gnome-control-center-dev.
(Reading database ... 260406 files and directories currently installed.)
Unpacking gnome-control-center-dev (from .../gnome-control-center-dev_1%3a2.24.0.1-0ubuntu7_all.deb) ...
Selecting previously deselected package libgnome-window-settings-dev.
Unpacking libgnome-window-settings-dev (from .../libgnome-window-settings-dev_1%3a2.24.0.1-0ubuntu7_all.deb) ...
Setting up gnome-control-center-dev (1:2.24.0.1-0ubuntu7) ...
Setting up libgnome-window-settings-dev (1:2.24.0.1-0ubuntu7) ...
thomas@thomas-laptop:~$