package libvala-0.12-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.10-dev 0.10.4-1ubuntu1

[chavo]

Trying to build anjuta. This comes after 'apt-get build-dep anjuta'.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: libvala-0.12-dev (not installed)
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
NonfreeKernelModules: nvidia
AptOrdering:
 libvala-0.12-dev: Install
 libvala-0.12-dev: Configure
Architecture: amd64
Date: Sat Aug 6 15:15:31 2011
DpkgTerminalLog:
 Unpacking libvala-0.12-dev (from .../libvala-0.12-dev_0.12.0-0ubuntu1_amd64.deb) ...
 dpkg: error processing /var/cache/apt/archives/libvala-0.12-dev_0.12.0-0ubuntu1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.10-dev 0.10.4-1ubuntu1
ErrorMessage: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.10-dev 0.10.4-1ubuntu1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
SourcePackage: vala
Title: package libvala-0.12-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.10-dev 0.10.4-1ubuntu1
UpgradeStatus: Upgraded to natty on 2011-05-03 (95 days ago)