Hi, I've tried building the latest MonetDB sources on OS X 10.6.8 and it fails with the following error message: checking for ant... /usr/bin/ant checking for java... /usr/bin/java checking for javac... /usr/bin/javac checking for jar... /usr/bin/jar checking for javadoc... /usr/bin/javadoc configure: error: MonetDB JDBC requires ant and Java 1.5 I used the following build options: ./configure --prefix=/Users/he-sk/unix --enable-strict --disable-assert --disable-debug --enable-optimize --enable-jdbc Searching on the mailing list, I found a post saying that the MonetDB JDBC driver will not build with Java 1.6 (the default on OS X 10.6), because the JDBC API changed from 1.5 to 1.6. However, the post is from September 2008, almost 3 years ago. Is this still the case? Or am I running into a different problem? List post: http://old.nabble.com/Installation-Problems-to19607306.html#a19645299 If MonetDB JDBC does require 1.5, I'm thinking of following the steps outlined here: http://wiki.oneswarm.org/index.php/OS_X_10.6_Snow_Leopard Does anybody have experience with this procedure or does anybody know an alternative? Also, I'm about to upgrade to OS X Lion (10.7). Is anybody running the MonetDB JDBC driver on Lion yet? Are you running it from sources or did you install the binary MonetDB distribution? Cheers, Viktor