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- Obtain APE 2.5.1 source code from James Peachey and save to /afs/slac/g/glast/ground/GLAST_EXT/redhat4-i686-32bit/ape if it doesn't already exist
- Change directory to /afs/slac/g/glast/ground/GLAST_EXT/redhat4-i686-32bit/ape
- Unzip and Untar the file ape-2.5.1-src.tar.gz
- Change directory to ape-2.5.1
- Execute ./configure --prefix=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-i686-32bit/ape/2.5.1/gcc40gcc34
- Execute make
- Execute make install
- Leave and erase the ape-2.5.1 directory
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