• Created by Unknown User (ecephas), last modified on Oct 24, 2008

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  1. Download Python 2.5.1 from http://www.python.org/download/releases/2.5.1/
  2. Unzip and change to the directory of the unpacked archive, E.g.,
    • tar -zxvf  Python-2.5.1.tgz
    • cd Python-2.5.1
  3. *Run, "./configure --prefix=<installation directory>":
    • ./configure --prefix=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-i686-32bit/python/2.5.1-gl1/gcc34/ 
  4. Edit the file, "Setup," in the "Modules" directory, "Modules/Setup"
    • Enable zlib (Uncomment the line corresponding to "zlib")
    • To build Python against tcltck 8.4, there are three lines to edit in the file (I would suggest searching for "_tkinter" in the Modules/Setup file, then following the documentation)
      1. Enable tkinter, by Uncommenting the line "_tkinter _tkinter.c tkappinit.c -DWITH_APPINIT "
      2. Uncomment and edit to reflect where your Tcl/Tk libraries are, example
        • "-L/afs/slac.stanford.edu/g/glast/applications/heasoft/PROD/tcltk/i686-pc-linux-gnu-libc2.3.2/lib"
      3. Uncomment and edit to reflect where your Tcl/Tk headers are
      4. Uncomment and edit to reflect your Tcl/Tk versions are
  5. Run,
    • make
    • make install

* Step 3 must be done before 4.   Running, "./configure," generates the file Modules/Setup 

While running "make", if you run into any problems finding tcl8.4 or tk8.4 libraries, try setting the environment variable, LD_RUN_PATH to point to the location of the tcltk libraries:
make clean
setenv LD_RUN_PATH <Location of tcltk libraries>
make
make install
unsetenv LD_RUN_PATH 

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