It just failes to install. I had a lot of problem because I have tried to upgrade to 14.04.
ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libqt5sensors5-dev 5.2.1+dfsg-2ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
Uname: Linux 3.11.0-19-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Tue Apr 15 23:50:25 2014
DuplicateSignature: package:libqt5sensors5-dev:5.2.1+dfsg-2ubuntu1:trying to overwrite '/usr/include/qt5/QtSensors/qsensorsglobal.h', which is also in package qtsensors5-dev 5.0~git20130507-0ubuntu3
ErrorMessage: trying to overwrite '/usr/include/qt5/QtSensors/qsensorsglobal.h', which is also in package qtsensors5-dev 5.0~git20130507-0ubuntu3
InstallationDate: Installed on 2012-09-10 (582 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120910)
MarkForUpload: True
SourcePackage: qtsensors-opensource-src
Title: package libqt5sensors5-dev 5.2.1+dfsg-2ubuntu1 failed to install/upgrade: trying to overwrite '/usr/include/qt5/QtSensors/qsensorsglobal.h', which is also in package qtsensors5-dev 5.0~git20130507-0ubuntu3
UpgradeStatus: Upgraded to trusty on 2014-04-14 (0 days ago)
This bug was fixed in the package qtsensors-
---------------
qtsensors-
* Break/replace the correct package. Fixes upgrade bug (LP: #1308212).
-- Dmitry Shachnev <email address hidden> Wed, 16 Apr 2014 11:04:16 +0400