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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Ubuntu 18.04 packages are trying to install 20.04 dependencies"
href="https://bugs.llvm.org/show_bug.cgi?id=52137">52137</a>
</td>
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<tr>
<th>Summary</th>
<td>Ubuntu 18.04 packages are trying to install 20.04 dependencies
</td>
</tr>
<tr>
<th>Product</th>
<td>Packaging
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>release blocker
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>deb packages
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chris.sidebottom@arm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<pre>When I go to install the 18.04 (bionic) versions of LLVM from the apt repo they
are uninstallable due to depending on packages only available in 20.04 such as
libgcc-s1.
root@e126393:/# apt-get update && apt-get install -y llvm-9 llvm-10 llvm-11
llvm-12 clang-9 libclang-9-dev clang-10 libclang-10-dev clang-11
libclang-11-dev clang-12 libclang-12-dev
Hit:1 <a href="http://archive.ubuntu.com/ubuntu">http://archive.ubuntu.com/ubuntu</a> bionic InRelease
Get:2 <a href="http://archive.ubuntu.com/ubuntu">http://archive.ubuntu.com/ubuntu</a> bionic-updates InRelease [88.7 kB]
Get:3 <a href="http://archive.ubuntu.com/ubuntu">http://archive.ubuntu.com/ubuntu</a> bionic-backports InRelease [74.6 kB]
Hit:4 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic-9 InRelease
Hit:5 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic-10 InRelease
Hit:6 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic-11 InRelease
Hit:7 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic-12 InRelease
Get:8 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic InRelease [5527 B]
Get:9 <a href="http://security.ubuntu.com/ubuntu">http://security.ubuntu.com/ubuntu</a> bionic-security InRelease [88.7 kB]
Get:10 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic/main Sources [2321 B]
Get:11 <a href="https://apt.llvm.org/bionic">https://apt.llvm.org/bionic</a> llvm-toolchain-bionic/main amd64 Packages
[11.8 kB]
Fetched 254 kB in 1s (415 kB/s)
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:
clang-11 : Depends: libclang-cpp11 (>= 1:11.1.0~++20211010011718+1fdec59bffc1)
but it is not going to be installed
Depends: libgcc-s1 (>= 3.0) but it is not installable
Depends: libllvm11 (>= 1:9~svn298832-1~) but it is not going to be
installed
Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be
installed
Depends: libclang-common-11-dev (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Depends: llvm-11-linker-tools (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Depends: libclang1-11 (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Recommends: llvm-11-dev but it is not going to be installed
libclang-11-dev : Depends: libclang1-11 (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Depends: libclang-common-11-dev (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
llvm-11 : Depends: llvm-11-runtime (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Depends: llvm-11-linker-tools (=
1:11.1.0~++20211010011718+1fdec59bffc1-1~exp1~20211010132151.4) but it is not
going to be installed
Depends: libgcc-s1 (>= 3.3) but it is not installable
Depends: libllvm11 (>= 1:9~svn298832-1~) but it is not going to be
installed
Depends: libstdc++6 (>= 11) but 8.4.0-1ubuntu1~18.04 is to be
installed
Recommends: llvm-11-dev but it is not going to be installed
E: Unable to correct problems, you have held broken packages.</pre>
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