Public bug reported:
I was trying to re-build the QEMU package from source, but the build
dependencies can't be resolved.
Steps to reproduce:
1. Install Ubuntu 20.04 System on an LPAR|z/VM guest|KVM guest from
ports.ubuntu.com
2. Uncomment all #deb-src lines in /etc/apt/sources.list
3. Run the following commands:
$ sudo apt update
$ sudo apt install build-essential
$ apt source qemu
$ sudo apt build-dep qemu
4. The last command produces the following error output
---
$ sudo apt build-dep qemu
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:qemu : Depends: libncursesw5-dev
Depends: gcc-alpha-linux-gnu but it is not installable
Depends: gcc-powerpc64-linux-gnu but it is not installable
E: Unable to correct problems, you have held broken packages.
** Affects: ubuntu-z-systems
Importance: High
Status: Triaged
** Affects: qemu (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-184185 severity-high
targetmilestone-inin2004
** Tags added: architecture-s39064 bugnameltc-184185 severity-high
targetmilestone-inin2004
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Package changed: ubuntu => qemu (Ubuntu)
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https://bugs.launchpad.net/bugs/1866032
Title:
[UBUNTU 20.04] apt build-dep qemu can't resolve dependencies
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