package libvala-0.10-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.12-dev 0.12.1-0ubuntu3

[Sergey "Shnatsel" Davidoff]

libvala-0.10-dev and libvala-0.12-dev seem to collide. See apport info for more details.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libvala-0.10-dev (not installed)
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
ApportVersion: 1.94-0ubuntu1
AptOrdering:
 libvala-0.10-dev: Install
 libvala-0.10-dev: Configure
Architecture: amd64
Date: Mon Mar 5 02:54:07 2012
DpkgTerminalLog:
 Unpacking libvala-0.10-dev (from .../libvala-0.10-dev_0.10.4-1ubuntu1_amd64.deb) ...
 dpkg: error processing /var/cache/apt/archives/libvala-0.10-dev_0.10.4-1ubuntu1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.12-dev 0.12.1-0ubuntu3
DuplicateSignature:
 Unpacking libvala-0.10-dev (from .../libvala-0.10-dev_0.10.4-1ubuntu1_amd64.deb) ...
 dpkg: error processing /var/cache/apt/archives/libvala-0.10-dev_0.10.4-1ubuntu1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.12-dev 0.12.1-0ubuntu3
ErrorMessage: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.12-dev 0.12.1-0ubuntu3
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120303)
SourcePackage: vala-0.10
Title: package libvala-0.10-dev (not installed) failed to install/upgrade: trying to overwrite '/usr/share/aclocal/vala.m4', which is also in package libvala-0.12-dev 0.12.1-0ubuntu3
UpgradeStatus: No upgrade log present (probably fresh install)