Can't get/set fr_FR.UTF-8

[dino99]

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "fr",
 LC_ALL = (unset),
 LC_TIME = "fr_FR.UTF-8",
 LC_MONETARY = "fr_FR.UTF-8",
 LC_ADDRESS = "fr_FR.UTF-8",
 LC_TELEPHONE = "fr_FR.UTF-8",
 LC_NAME = "fr_FR.UTF-8",
 LC_MEASUREMENT = "fr_FR.UTF-8",
 LC_IDENTIFICATION = "fr_FR.UTF-8",
 LC_NUMERIC = "fr_FR.UTF-8",
 LC_PAPER = "fr_FR.UTF-8",
 LANG = "en_GB.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Ne peut initialiser LC_ALL �� la locale par d��faut: Aucun fichier ou dossier de ce type
Gtk-WARNING **: Locale not supported by C library.
 Using the fallback 'C' locale. at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 94, <> line 2.
Gtk-WARNING **: Locale not supported by C library.
 Using the fallback 'C' locale. at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 106, <> line 2.
(Reading database ... 225155 files and directories currently installed.)
Preparing to replace python-pil 2.2.1-3ubuntu1 (using .../python-pil_2.2.1-3ubuntu2_i386.deb) ...
Unpacking replacement python-pil ...
Preparing to replace python-imaging 2.2.1-3ubuntu1 (using .../python-imaging_2.2.1-3ubuntu2_all.deb) ...
Unpacking replacement python-imaging ...
Setting up python-pil (2.2.1-3ubuntu2) ...
Setting up python-imaging (2.2.1-3ubuntu2) ...

oem@dev32:~$ sudo locale-gen fr_FR.UTF-8
[sudo] password for oem:
Generating locales...
  fr_FR.UTF-8... cannot open locale definition file `fr_FR': No such file or directory
failed
Generation complete.

The latest packages upgrade have broken the fr locale (could be due to latest eglibc, but im not sure), everything was previously working as expected.

oem@dev32:~$ locale -a
C
C.UTF-8
en_AG
en_AG.utf8
en_AU.utf8
en_BW.utf8
en_CA.utf8
en_GB.utf8
en_HK.utf8
en_IE.utf8
en_NZ.utf8
en_SG.utf8
en_US.utf8
en_ZA.utf8
en_ZM
en_ZM.utf8
en_ZW.utf8
POSIX

oem@dev32:~$ sudo dpkg-reconfigure locales
[sudo] password for oem:
Generating locales...
  en_AG.UTF-8... done
  en_AU.UTF-8... done
  en_BW.UTF-8... done
  en_CA.UTF-8... done
  en_DK.UTF-8... cannot open locale definition file `da_DK': No such file or directory
failed
  en_GB.UTF-8... done
  en_HK.UTF-8... done
  en_IE.UTF-8... done
  en_IN.UTF-8... cannot open locale definition file `hi_IN': No such file or directory
failed
  en_NG.UTF-8... cannot open locale definition file `da_DK': No such file or directory
failed
  en_NZ.UTF-8... done
  en_PH.UTF-8... cannot open locale definition file `tl_PH': No such file or directory
failed
  en_SG.UTF-8... done
  en_US.UTF-8... done
  en_ZA.UTF-8... done
  en_ZM.UTF-8... done
  en_ZW.UTF-8... done
  fr_BE.UTF-8... cannot open locale definition file `fr_BE': No such file or directory
failed
  fr_CA.UTF-8... cannot open locale definition file `fr_CA': No such file or directory
failed
  fr_CH.UTF-8... cannot open locale definition file `fr_CH': No such file or directory
failed
  fr_FR.UTF-8... cannot open locale definition file `fr_FR': No such file or directory
failed
  fr_LU.UTF-8... cannot open locale definition file `fr_LU': No such file or directory
failed
Generation complete.
oem@dev32:~$

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: language-pack-fr 1:14.04+20131212
ProcVersionSignature: Ubuntu 3.13.0-0.6-generic 3.13.0-rc3
Uname: Linux 3.13.0-0-generic i686
ApportVersion: 2.12.7-0ubuntu2
Architecture: i386
CurrentDesktop: GNOME
Date: Mon Dec 16 16:13:18 2013
InstallationDate: Installed on 2013-10-25 (52 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20131021.1)
PackageArchitecture: all
SourcePackage: language-pack-fr
UpgradeStatus: No upgrade log present (probably fresh install)

[dino99 (9d9)]

has been fixed a few months back.