check_platform

Go to the documentation of this file.

#!/bin/bash

# Find platform.
#
#check_platform () {

#WE really needed?
export ARCH="`uname`"

echo -n  "Checking for OS ... " >&2
if [ ! -s /etc/redhat-release ] ; then
   echo " not RedHat-derived. Stop." >&2
   exit 1
fi
if [ "x$(grep "Scientific Linux" /etc/redhat-release)" = "x" ] && [ "x$(grep "CentOS" /etc/redhat-release)" = "x" ] ; then   
   echo "not SLC! Scientific Linux [345] expected. Stop." >&2
   exit 1
fi

slc_major=$(sed 's/^.*[Rr]elease[ ]\+\([0-9]\+\)\..*$/\1/' < /etc/redhat-release)
echo "SLC "$slc_major >&2

if [ $slc_major -eq 4 ]; then

    echo -n "Checking for machine ... " >&2
    machine=$(uname -m | grep -E "i[3456]86")
    if [ "x$machine" = "x" ] ; then
        machine=$(uname -m)
        case "X${machine}" in 
            "Xx86_64") machine="amd64" ;; 
        esac
    else
        machine="ia32"
    fi
    echo $machine >&2

    gcc_major=$(g++ --version | sed '2,$d;s/^[^ ]\+[ ]\+[^ ]\+[ ]\+\([0-9]\+\)\..*$/\1/')
    gcc_minor=$(g++ --version | sed '2,$d;s/^.*GCC)[ ]\+[0-9]\+\.\([0-9]\+\)\.\([0-9]\+\).*$/\1\2/')

    platform="slc${slc_major}_${machine}_gcc${gcc_major}${gcc_minor}"
    platform=$(echo ${platform} | sed 's/gcc34[0-9]*$/gcc34/')
    echo "Platform is "${platform}

    export SYSNAME=${platform}

elif [ $slc_major -eq 5 ]; then
    
    # boot strapping gcc43 compiler

    # get machine arch
    if test "x${MACHINE_ARCH}" = "x" ; then
        MACHINE_ARCH=`uname -m` ;
    fi ;

    # forcing compiler to gcc43 with correct platform
    source /afs/cern.ch/sw/lcg/external/gcc/4.3.2/${MACHINE_ARCH}/setup.sh

    echo $PATH
    gcc -v

    . ./lcg_platform.sh
    lcg_platform >& /dev/null
    SYSNAME=$LCG_PLATFORM

else

    echo "Found SL major version $slc_major: not supported in check_platform"
    exit 1

fi

echo SYSNAME is $SYSNAME

---