I am trying to install libsasl2-dev on my laptop (Ubuntu 24.04.1 LTS). However, when I run the command
sudo apt install libsasl2-dev
I get an error message:
The following packages have unmet dependencies:
libsasl2-dev : Depends: libsasl2-2 (= 2.1.28+dfsg1-5ubuntu3) but 2.1.28+dfsg1-5ubuntu3.1 is to be installed
E: Unable to correct problems, you have held broken packages.
Any suggestion for debug or potential fixes? I tried searching but I was not able to find anything relevant...
After further searching, I found out the best solution was to downgrade libsasl2-2. In order to be guided thru this process I used aptitude.
The full solution, including the interactive output with aptitude:
user@pc: sudo apt install aptitude
user@pc: sudo aptitude install libsasl2-dev
The following NEW packages will be installed:
libsasl2-dev{b}
0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 243 kB of archives. After unpacking 896 kB will be used.
The following packages have unmet dependencies:
libsasl2-dev : Depends: libsasl2-2 (= 2.1.28+dfsg1-5ubuntu3) but 2.1.28+dfsg1-5ubuntu3.1 is installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
libsasl2-dev [Not Installed]
Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:
Downgrade the following packages:
libsasl2-2 [2.1.28+dfsg1-5ubuntu3.1 (now) -> 2.1.28+dfsg1-5ubuntu3 (noble)]
Accept this solution? [Y/n/q/?] y
The following packages will be DOWNGRADED:
libsasl2-2
The following NEW packages will be installed:
libsasl2-dev
0 packages upgraded, 1 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.
Need to get 296 kB of archives. After unpacking 896 kB will be used.
Do you want to continue? [Y/n/?] y
Get: 1 http://archive.ubuntu.com/ubuntu noble/main amd64 libsasl2-2 amd64 2.1.28+dfsg1-5ubuntu3 [53,2 kB]
Get: 2 http://archive.ubuntu.com/ubuntu noble/main amd64 libsasl2-dev amd64 2.1.28+dfsg1-5ubuntu3 [243 kB]
Fetched 296 kB in 31s (9.610 B/s)
dpkg: warning: downgrading libsasl2-2:amd64 from 2.1.28+dfsg1-5ubuntu3.1 to 2.1.28+dfsg1-5ubuntu3
(Reading database ... 507114 files and directories currently installed.)
Preparing to unpack .../libsasl2-2_2.1.28+dfsg1-5ubuntu3_amd64.deb ...
Unpacking libsasl2-2:amd64 (2.1.28+dfsg1-5ubuntu3) over (2.1.28+dfsg1-5ubuntu3.1) ...
Selecting previously unselected package libsasl2-dev.
Preparing to unpack .../libsasl2-dev_2.1.28+dfsg1-5ubuntu3_amd64.deb ...
Unpacking libsasl2-dev (2.1.28+dfsg1-5ubuntu3) ...
Setting up libsasl2-2:amd64 (2.1.28+dfsg1-5ubuntu3) ...
Setting up libsasl2-dev (2.1.28+dfsg1-5ubuntu3) ...
Processing triggers for man-db (2.12.0-4build2) ...
Processing triggers for libc-bin (2.39-0ubuntu8.3) ...