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<p>hi I am stuck with being unable to reinstall this library and
with the following report could you help?</p>
<p>Frederic</p>
<p>ubuntu 20.04 trying to reuse mathgl in C++ Netbeans env<br>
</p>
<p><i>sudo apt install --reinstall libmgl-dev</i><i><br>
</i><i>Reading package lists... Done</i><i><br>
</i><i>Building dependency tree </i><i><br>
</i><i>Reading state information... Done</i><i><br>
</i><i>Some packages could not be installed. This may mean that
you have</i><i><br>
</i><i>requested an impossible situation or if you are using the
unstable</i><i><br>
</i><i>distribution that some required packages have not yet been
created</i><i><br>
</i><i>or been moved out of Incoming.</i><i><br>
</i><i>The following information may help to resolve the
situation:</i><i><br>
</i><i><br>
</i><i>The following packages have unmet dependencies:</i><i><br>
</i><i> libopenmpi3 : Depends: libfabric1 (>= 1.5.0) but it is
not going to be installed</i><i><br>
</i><i> Depends: libibverbs1 (>= 1.1.7) but it is
not installable</i><i><br>
</i><i> Depends: libpmix2 (>= 3.1.5) but it is
not going to be installed</i><i><br>
</i><i> Depends: libhwloc-plugins but it is not
going to be installed</i><i><br>
</i><i>E: Unable to correct problems, you have held broken
packages.</i><i><br>
</i><i>fred@thnkpadx1c4:~$ sudo apt purge libmgl-dev</i><i><br>
</i><i>Reading package lists... Done</i><i><br>
</i><i>Building dependency tree </i><i><br>
</i><i>Reading state information... Done</i><i><br>
</i><i>Package 'libmgl-dev' is not installed, so not removed</i><i><br>
</i><i>0 upgraded, 0 newly installed, 0 to remove and 0 not
upgraded.</i><i><br>
</i><i>fred@thnkpadx1c4:~$ sudo apt install libmgl-dev</i><i><br>
</i><i>Reading package lists... Done</i><i><br>
</i><i>Building dependency tree </i><i><br>
</i><i>Reading state information... Done</i><i><br>
</i><i>Some packages could not be installed. This may mean that
you have</i><i><br>
</i><i>requested an impossible situation or if you are using the
unstable</i><i><br>
</i><i>distribution that some required packages have not yet been
created</i><i><br>
</i><i>or been moved out of Incoming.</i><i><br>
</i><i>The following information may help to resolve the
situation:</i><i><br>
</i><i><br>
</i><i>The following packages have unmet dependencies:</i><i><br>
</i><i> libopenmpi3 : Depends: libfabric1 (>= 1.5.0) but it is
not going to be installed</i><i><br>
</i><i> Depends: libibverbs1 (>= 1.1.7) but it is
not installable</i><i><br>
</i><i> Depends: libpmix2 (>= 3.1.5) but it is
not going to be installed</i><i><br>
</i><i> Depends: libhwloc-plugins but it is not
going to be installed</i><i><br>
</i><i>E: Unable to correct problems, you have held broken
packages.</i><br>
</p>
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