Only after doing this:<br><br>export DYLD_LIBRARY_PATH="/usr/local/mysql/lib"<br><br>then I was able to successfully install the RMySQL package with this command:<br><br>R CMD INSTALL --configure-args='--with-mysql-dir=/usr/local/mysql --with-mysql-lib=/usr/local/mysql/lib --with-mysql-inc=/usr/local/mysql/include' RMySQL_0.9-3.tar.gz<br><br>Hope that helps,<br>Dan<br>