<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Dear Sylvestre,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Let me be quite explicit about what is happening here within my Debian sid(uction) KDE desktop machine.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">When, always as root of course, I issue the command:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">apt install libclang-dev</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I get the output:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Reading package lists... Done<br>Building dependency tree <br>Reading state information... Done<br>Some packages could not be installed. This may mean that you have<br>requested an impossible situation or if you are using the unstable<br>distribution that some required packages have not yet been created<br>or been moved out of Incoming.<br>The following information may help to resolve the situation:<br><br>The following packages have unmet dependencies:<br> libclang-dev : Depends: libclang-9-dev (>= 9~) but it is not going to be installed</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Then, when I try:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">apt install libclang-9-dev</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I get:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Reading package lists... Done<br>Building dependency tree <br>Reading state information... Done<br>Some packages could not be installed. This may mean that you have<br>requested an impossible situation or if you are using the unstable<br>distribution that some required packages have not yet been created<br>or been moved out of Incoming.<br>The following information may help to resolve the situation:<br><br>The following packages have unmet dependencies:<br> libclang-9-dev : Depends: libstdc++-8-dev but it is not going to be installed<br> Depends: libgcc-8-dev but it is not going to be installed<br> Depends: libobjc-8-dev but it is not going to be installed<br>E: Unable to correct problems, you have held broken packages.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Then when I try, for instance:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">apt install libstdc++-8-dev</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I get:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Reading package lists... Done<br>Building dependency tree <br>Reading state information... Done<br>Some packages could not be installed. This may mean that you have<br>requested an impossible situation or if you are using the unstable<br>distribution that some required packages have not yet been created<br>or been moved out of Incoming.<br>The following information may help to resolve the situation:<br><br>The following packages have unmet dependencies:<br> libstdc++-8-dev : Depends: libgcc-8-dev (= 8.4.0-2) but it is not going to be installed<br>E: Unable to correct problems, you have held broken packages.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Finally, when I try: <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">apt install libgcc-8-dev</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I get:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Reading package lists... Done<br>Building dependency tree <br>Reading state information... Done<br>Some packages could not be installed. This may mean that you have<br>requested an impossible situation or if you are using the unstable<br>distribution that some required packages have not yet been created<br>or been moved out of Incoming.<br>The following information may help to resolve the situation:<br><br>The following packages have unmet dependencies:<br> libgcc-8-dev : Depends: libgcc-s1 (>= 1:8.4.0-2) but 10-20200324-1 is to be installed<br>E: Unable to correct problems, you have held broken packages.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Isn't this a bug with these packages somehow?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Thanks<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 27, 2020 at 5:48 PM Sylvestre Ledru <<a href="mailto:sylvestre@debian.org">sylvestre@debian.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello,<br>
<br>
<br>
Le 27/03/2020 à 19:37, Mauricio Calvao a écrit :<br>
> Package: libclang-dev<br>
> Version: 1:9.0-49.1<br>
> Severity: grave<br>
><br>
> Dear Maintainer,<br>
><br>
><br>
> * What led up to the situation?<br>
> I think the problem showed up after I did a recent full-upgrade of my operating system<br>
> * What exactly did you do (or not do) that was effective (or<br>
> ineffective)?<br>
> I first tried installing RStudio deb package from their site and was unsuccessful, with a message claiming that libclang-dev was not found. Then I tried to install it manually<br>
<br>
<br>
Please report this bug to RStudio.<br>
<br>
Works fine :<br>
<br>
sudo apt install libclang-dev -t unstable<br>
Reading package lists... Done<br>
Building dependency tree<br>
Reading state information... Done<br>
The following additional packages will be installed:<br>
libclang-9-dev (1:9.0.1-10)<br>
The following NEW packages will be installed:<br>
libclang-9-dev (1:9.0.1-10)<br>
libclang-dev (1:9.0-49.1)<br>
0 upgraded, 2 newly installed, 0 to remove and 407 not upgraded.<br>
Need to get 16.1 MB of archives.<br>
After this operation, 151 MB of additional disk space will be used.<br>
Do you want to continue? [Y/n]<br>
<br>
Thanks<br>
<br>
Sylvestre<br>
<br>
<br>
<br>
</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>#######################################<br>Prof. Mauricio Ortiz Calvao<br>Federal University of Rio de Janeiro<br>Institute of Physics, P O Box 68528<br>CEP 21941-972 Rio de Janeiro, RJ<br>Brazil<br><br>Email: <a href="mailto:orca@if.ufrj.br" target="_blank">orca@if.ufrj.br</a><br>Phone: (55)(21)39387483<br>Homepage: <a href="http://www.if.ufrj.br/~orca" target="_blank">http://www.if.ufrj.br/~orca</a><br>#######################################</div></div></div>