No paths allowed for shared library (At installation)

[mysqludf]

No paths allowed for shared library (At installation)

[eugeneYWang]

So in makefile file, the first line libdir is clearly the destination of shared library ( the result of compilation, the .so file) since libdir is repeated in the second line of compile command.

So you probably should check if you have writing privilege to the destination.

You might also want to check if you should change that libdir to plugin directory in mysql. A lot of current solutions have changed it in order to install successfully.

[leiless]

The shared library must be located in the plugin directory (the directory named by the plugin_dir system variable). The library must be in the plugin directory itself, not in a subdirectory.

13.7.4.4 INSTALL PLUGIN Statement
https://dev.mysql.com/doc/refman/8.0/en/install-plugin.html
INSTALL PLUGIN - MariaDB Knowledge Base
https://mariadb.com/kb/en/install-plugin/

Solutions:

• Change plugin_dir in my.cnf, put your library file into that directory.
• Or, copy your library file into SELECT @@plugin_dir;