Installation for MySQL 5.1 Generally Available (GA) release =========================================================== On MySQL 5.1 the libmysqlclient.dylib is included in the installer of the MySQL 5.1 server. The client libraries in this directory are *not* required. Install the Mac OS X package: mysql-5.1.30-osx10.5-x86.dmg availabel as Community server MySQL 5.1 Generally Available (GA) release for production use. On page http://dev.mysql.com/downloads/mysql/5.1.html#macosx-dmg this is shown as Mac OS X 10.5 (x86) 5.1.30 containng the following items: (1) mysql-5.1.30-osx10.5-x86.pkg (2) MySQLStartupitem.pkg (3) MySQL.prefPane It is not necessary to follow the readme file in the installation package. Just double click all three items in the sequence above and follow the instructions. After installation the client library to be imported by the newLISP module mysql.lsp can be found in: /usr/local/mysql/lib/libmysqlclient.dylib it is linked from libmysqlclient.16.0.0.dylib My installation worked on newLISP 10.0.1 with the stadard mysql51.lsp, out of the box running: (test-myql) and should work with ArtfulCode's module too with Mac OX X 10.5 Leopard.