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• Build on rhel4-64
• Requires our MySQL installation, as well as Oracle
• Need fftw3, gccxml, GSL to be built.  Obtain FFTW 3.1.2 from GLAST_EXT
  Obtain GSL 1.10 from: http://www.gnu.org/software/gsl/&nbsphttp://www.gnu.org/software/gsl/; ./configure CFLAGS="-fPIC" --prefix=$PWD  "make"  "make install"
  obtain gccxml 0.9.0_20090601 from http://lcgsoft.cern.ch/index.py?page=pkg_version&pkg=gccxml&vers=0.9.0_20090601 require cmake to build: http://www.cmake.org/cmake/resources/software.html
  mkdir gccxml-build
  cd gccxml-build
  cmake -DCMAKE_INSTALL_PREFIX:PATH=$PWD ../gccxml  (where gccxml contains the downloaded source)
  make
  make install
• Obtain Fermi's copy of the source from /afs/slac/g/glast/ground/GLAST_EXT/srcExtlibs/root-v5.26.00a-gl1.src..tar.gz and unpack, it will be dumped into a directory named "root"
• set ROOTSYS to the same directory as the source was checked out into.  cd into the root directory
• run ./configureconfigure  (note that "linux" is left unspecified)
   ./configure --fail-on-missing --enable-mysql --with-mysql-incdir=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-x86_64-64bit-gcc34/mysql/5.1.39/gcc34/include/mysql --with-mysql-libdir=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-x86_64-64bit-gcc34/mysql/5.1.39/gcc34/lib/mysql --enable-xrootd --enable-python --with-python-incdir=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-x86_64-64bit-gcc34/python/2.5.1-gl1/gcc34/include/python2.5 --with-python-libdir=/afs/slac/g/glast/ground/GLAST_EXT/redhat4-x86_64-64bit-gcc34/python/2.5.1-gl1/gcc34/lib/python2.5/config --enable-reflex --enable-cintex --enable-roofit --with-oracle-incdir=/usr/oracle/rdbms/public --with-oracle-libdir=/usr/oracle/lib --enable-minuit2 --enable-unuran --enable-table --enable-explicitlink --with-gccxml=$workDir/gaudi-external-v21r7-rhel4-64/gccxml-build/bin --enable-gdml --enable-genvector --enable-mathcore --enable-mathmore --with-fftw3-incdir=$GLAST_EXT/../redhat4-x86_64-64bit-gcc34/fftw/3.1.2/gcc34/include/fftw --with-fftw3-libdir=$GLAST_EXT/../redhat4-x86_64-64bit-gcc34/fftw/3.1.2/gcc34/lib --with-gsl-incdir=$workDir/gaudi-external-v21r7-rhel4-64/gsl-1.10/include --with-gsl-libdir=$workDir/gaudi-external-v21r7-rhel4-64/gsl-1.10/lib > & config-redhat4.log &
• Build by running "make >& build-rhel4.log &"
• Update etc/system.rootrc to include the lines:
  # As suggested by Wilko, April, 2009, so that when a job writes to xrootd, missing directories are created upon request.
  XNet.Mkpath: 1
• Copy the following into $GLAST_EXT using the directory structure:
  ROOT/v5.26.00a-gl1/gcc34/
  README bin build-rhel4.log cint config-rhel4.log doc etc fonts icons include lib macros man test tutorials

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