. Severity: normal I am unable to reproduce this issue. Installing all of the mentioned packages works just fine.
# dpkg -l | grep -iE 'maria|mysql|galera' ii default-libmysqlclient-dev:amd64 1.0.4 amd64 MySQL database development files (metapackage) ii libmariadb-dev:amd64 1:10.3.11-1 amd64 MariaDB database development files ii libmariadb3:amd64 1:10.3.11-1 amd64 MariaDB database client library ii libmariadbclient-dev-compat:amd64 1:10.1.37-3 amd64 MariaDB database development files (libmysqlclient compatibility) ii mariadb-common 1:10.3.11-1 all MariaDB common metapackage ii mysql-common 5.8+1.0.4 all MySQL database common files, e.g. /etc/mysql/my.cnf Please provide exact steps on how to reproduce this, preferably something I can copy-paste into a clean sid Docker image and see the result myself. Currently default-libmysqlclient-dev depends on libmariadbclient-dev-compat which is provided by libmariadb-dev-compat. Everything should be just fine. root@18915c02c11a:/tmp/build/source# apt-get install default-libmysqlclient-dev Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libc-bin libc-dev-bin libc6 libc6-dev libmariadb-dev libmariadb3 libmariadbclient-dev-compat libssl1.1 linux-libc-dev manpages manpages-dev mariadb-common mysql-common zlib1g-dev Suggested packages: glibc-doc libc-l10n locales man-browser The following NEW packages will be installed: default-libmysqlclient-dev libc-dev-bin libc6-dev libmariadb-dev libmariadb3 libmariadbclient-dev-compat libssl1.1 linux-libc-dev manpages manpages-dev mariadb-common mysql-common zlib1g-dev The following packages will be upgraded: libc-bin libc6 2 upgraded, 13 newly installed, 0 to remove and 39 not upgraded. Need to get 14.2 MB of archives. After this operation, 41.1 MB of additional disk space will be used. Do you want to continue? [Y/n]
