Unable to get build dependencies for python-glpk

[Norbert]

Steps to reproduce:
1. Install Ubuntu 16.04 LTS
2. Enable deb-src repositories
3. Try to install build-dependencies for `python-glpk` with

    sudo apt-get build-dep python-glpk

Expected results:
* build dependencies are got successfully

Actual results:
* build dependencies are not got, have error:

Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 builddeps:python-glpk : Depends: libglpk-dev (< 4.53) but 4.57-1build3 is to be installed
E: Unable to correct problems, you have held broken packages.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: libglpk-dev 4.57-1build3
ProcVersionSignature: Ubuntu 4.15.0-43.46~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Mon Jan 21 23:40:28 2019
InstallationDate: Installed on 2018-08-07 (167 days ago)
InstallationMedia: Ubuntu-MATE 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
SourcePackage: glpk
UpgradeStatus: No upgrade log present (probably fresh install)

[Hans Joachim Desserud (hjd)]

Thanks for reporting.

I can confirm I get the same error message when attempting to install build dependencies for this package on 16.04. This effectively makes it unable to build, so I've added the tag.