cesarboucas

I was wondering the same thing. Take a look at the current algorithms. They are at [recathon.c](https://github.com/DataSystemsLab/recdb-postgresql/blob/master/PostgreSQL/src/backend/utils/misc/recathon.c)

Sounds like the issue is due to a version conflict. This warning happens before the error: ``` checking for flex... configure: WARNING: *** The installed version of Flex, /usr/bin/flex, is...