Install the latest distribution through Hackage:
cabal install uulib
cabal install uuagc
Old source distributions
The preferred method to obtain uulib and uuagc is through Hackage (see above).
Alternatively, you can try some older versions below.
You need to install the parsing and pretty printing combinator library (UULIB, below) before installing the Attribute Grammar System (UUAG). Either download both UULIB and UUAGC packages below.
For installation instructions read the included README files.