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1. Download Python 2.5.1 from http://www.python.org/ftp/python/2.5.1/Python-2.5.1.tgz and save to /afs/slac/g/glast/ground/GLAST_EXT/tiger-i386-32bit-gcc41/python if it doesn't already exist.
2. Change directory to /afs/slac/g/glast/ground/GLAST_EXT/redhat5-i686-64bit-gcc41/python
3. Ungzip and Untar the file Python-2.5.1.tgz
4. Change directory to Python-2.5.1
5. Set the environment variable EXTRA_CFLAGS to "-fPIC -fwrapv"
6. edit setup.py, in detect_modules() change the lines from:

        add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
        add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')

        to:
        add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
        add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
        add_dir_to_list(self.compiler.library_dirs, '/usr/lib')
        add_dir_to_list(self.compiler.include_dirs, '/usr/include')

1. Execute ./configure --prefix /afs/slac/g/glast/ground/GLAST_EXT/redhat5-i686-64bit-gcc41/python/2.5.1-gl4/gcc41
2. Execute make
3. Execute make install
4. Leave and erase the current directory (Python-2.5.1)
   

2.5.1-gl5 

redhat4-i686-32bit-gcc34

These are instructions for building Python 2.5.1 for the various OSes supported.

These instructions should be performed as the glastrm user 

1. Download Python 2.5.1 from http://www.python.org/ftp/python/2.5.1/Python-2.5.1.tgz and save to /afs/slac/g/glast/ground/GLAST_EXT/tiger-i386-32bit-gcc41/python if it doesn't already exist.
2. Change directory to /afs/slac.stanford.eduExecute ./configure --prefix /afs/slac/g/glast/ground/GLAST_EXT/redhat5redhat4-i686-64bit32bit-gcc41gcc34/python/2.5.1-gl4/gcc41
3. Execute make
4. Execute make install
5. Leave and erase the current directory (Python-2.5.1)
   

2.5.1-gl5 

redhat4-i686-32bit-gcc34

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2. Ungzip and Untar the file Python-2.5.1

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1. .

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These instructions should be performed as the glastrm user 

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1. tgz
2. Change directory to Python-2.5.1
3. Set the environment variable EXTRA_CFLAGS to "-fPIC -fwrapv"
4. edit setup.py, in detect_modules() change the lines from:

        add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
        add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')

        to:

        add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
        add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
        add_dir_to_list(self.compiler.library_dirs, '/usr/lib')
        add_dir_to_list(self.compiler.include_dirs, '/usr/include')

1. Execute ./configure --prefix /afs/slac.stanford.edu/g/glast/ground/GLAST_EXT/redhat4-i686-32bit-gcc34/python/2.5.1-gl5/gcc34
2. Execute make
3. Execute make install
4. Leave and erase the current directory (Python-2.5.1)

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