root@localhost:~# apt-get install libjpeg-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libjpeg-dev is already the newest version (1:1.5.1-2+deb9u1).
0 upgraded, 0 newly installed, 0 to remove and 133 not upgraded.
2) init 4) status 6) upgrade 8) exit
#? 4
/usr/local/php-8.0/bin/php: error while loading shared libraries: libjpeg.so.8: cannot open shared object file: No such file or directory
[OK] php-8.0 is already installed.
#? 4
/usr/local/php-8.0/bin/php: error while loading shared libraries: libjpeg.so.8: cannot open shared object file: No such file or directory
[OK] php-8.0 is already installed.