It was pretty straightforward otherwise:
su yum install vim csh gcc gcc-c++ gcc-gfortran java-1.7.0-openjdk-devel python-devel ant gtk2-devel libjpeg-turbo-devel libtool ImageMagick libXt-devel xterm mesa-libGLU-devel kernel-devel perl-Digest-Perl-MD5 perl-Digest-MD5 bzip2 perl-Env exit mkdir ~/tmp cd ~/tmp
Download ecce from http://ecce.pnl.gov/using/download.shtml into ~/tmp
tar xvf ecce-v7.0-src.tar.bz2 cd ecce-v7.0/ export ECCE_HOME=`pwd` cd build/ ./build_ecce ./build_ecce|tee xerxes.log ./build_ecce|tee mesa.log ./build_ecce|tee wxwidgets.log ./build_ecce|tee wxpython.log ./build_ecce|tee httpd.log ./build_ecce|tee ecce.logIf you want a desktop:
sudo yum -y groups install "GNOME Desktop"ECCE asks about netstat as well.