Installing the C version of LOCFIT on Unix systems.

1. Download and save the locfit source archive.
2. Unpack,

          gunzip locfit.tgz
          tar -xvf locfit.tar
   

   The Locfit source files are extracted to the locfit subdirectory. cd to that directory.
3. If the readline library is available on your system (does

          ls /usr/lib/libreadline*
   

   produce any files?) you can enable readline by adding the line

          #define USE_READLINE
   

   at the top of src-d/main.c, and adding

          -lreadline
   

   to the LDFLAGS in the Makefile.
4. If your X libraries are not in /usr/X11R6/lib, edit the XLDFLAGS line in the Makefile. Locfit can also be compiled with ASCII graphics in place of X.
5. Compile the source code:

          make
   

   For the ASCII graphics version, use

          make locfit-nox
   

6. If the compilation was successful, Locfit is ready to run. Type

          locfit
   

   To install the example datasets,

          locfit> run install.cmd
          locfit> exit
   

7. To make LOCFIT accessible to multiple users, move the locfit.sh script to /usr/local/bin/locfit. You'll need to edit the LFHOME variable in that script.

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