tar xvfz gf-3.0.tgz
cd gf-3.0
# alternative 1:
runghc Setup configure
runghc Setup build
runghc Setup install
# alternative 2:
make
make install
Mac binary: gunzip and put somewhere on your path.
Linux: tar xvfz in /
Windows: unzip in c:\
Compiled library: tar xvfz in some DIR and point the variable GF_LIB_PATH to DIR/lib.
Source package: tar xvfz somewhere and compile as follows:
tar xvfz gf-3.0.tgz
cd gf-3.0
# alternative 1:
runghc Setup configure
runghc Setup build
runghc Setup install
# alternative 2:
make
make install