package flex-old not installed failed to install/upgrade: trying to overwrite /usr/include/FlexLexer.h , which is also in package libfl-dev 2.5.35-10ubuntu3

[Micah Gersten]

Got this installing flex-old

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: flex-old (not installed)
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Sun Feb 5 21:51:06 2012
DpkgTerminalLog:
 Unpacking flex-old (from .../flex-old_2.5.4a-10_amd64.deb) ...
 dpkg: error processing /var/cache/apt/archives/flex-old_2.5.4a-10_amd64.deb (--unpack):
  trying to overwrite '/usr/include/FlexLexer.h', which is also in package libfl-dev 2.5.35-10ubuntu3
DuplicateSignature:
 Unpacking flex-old (from .../flex-old_2.5.4a-10_amd64.deb) ...
 dpkg: error processing /var/cache/apt/archives/flex-old_2.5.4a-10_amd64.deb (--unpack):
  trying to overwrite '/usr/include/FlexLexer.h', which is also in package libfl-dev 2.5.35-10ubuntu3
ErrorMessage: trying to overwrite '/usr/include/FlexLexer.h', which is also in package libfl-dev 2.5.35-10ubuntu3
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
SourcePackage: flex-old
Title: package flex-old (not installed) failed to install/upgrade: trying to overwrite '/usr/include/FlexLexer.h', which is also in package libfl-dev 2.5.35-10ubuntu3
UpgradeStatus: Upgraded to precise on 2012-01-29 (7 days ago)

[Launchpad Janitor (janitor)]

This bug was fixed in the package flex-old - 2.5.4a-10ubuntu1

---------------
flex-old (2.5.4a-10ubuntu1) precise; urgency=low

  * Add Conflicts on libfl-dev for /usr/include/FlexLexer.h (LP: #927436)
    - update debian/control
 -- Micah Gersten <email address hidden> Sun, 05 Feb 2012 22:00:04 -0600