Hi, First off here is my system configuration: Dual 2.3 Ghz PowerPC G5 Mac OS X 10.4.3 R for Mac OS X Aqua GUI 1.12 (installed in default location) Mysql 5.0.13 located in: /usr/local/mysql-max-5.0.13-rc-osx10.4-powerpc/ and default version in /usr/local/mysql I downloaded RMySQL_0.5-5.tar.gz<http://cran.r-project.org/src/contrib/RMySQL_0.5-5.tar.gz>and installed by setting export MYSQL_INC=/usr/local/mysql-max-5.0.13-rc-osx10.4-powerpc/include export MYSQL_LIB=/usr/local/mysql-max-5.0.13-rc-osx10.4-powerpc/lib sudo R CMD INSTALL RMySQL-0.5-5.tar.gz i was able to install Rmysql without problems, but when it try to load it in R using the package manager i get the following error: Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library '/Library/Frameworks/R.framework/Resources/library/RMySQL/libs/RMySQL.so': dlopen(/Library/Frameworks/R.framework/Resources/library/RMySQL/libs/RMySQL.so, 6): Symbol not found: _fprintf$LDBLStub Referenced from: /Library/Frameworks/R.framework/Resources/library/RMySQL/libs/RMySQL.so Expected in: flat namespace Error in library(RMySQL) : .First.lib failed for 'RMySQL' i get the same error with either mysql version [[alternative HTML version deleted]]