#!/bin/bash
# Uses the tool uname to check on which system
# the script is run 
# The script is inspired by the configure script
# from ROOT

arch=`uname -s | tr '[A-Z]' '[a-z]'`
chip=`uname -m | tr '[A-Z]' '[a-z]'`
#------------------------------------------------------------------
#Check if the required programs are already installed on the system
is_in_path patch
result=$?
if [ "$result" = "0" ];
 then
    install_patch=yes
 else
   echo "patch found in PATH" | tee -a $logfile
fi
is_in_path wget
result=$?
if [ "$result" = "0" ];
 then
   install_wget=yes
 else
   echo "wget found in PATH" | tee -a $logfile
fi
is_in_path svn
result=$?
if [ "$result" = "0" ];
 then
   install_svn=yes
 else
   echo "Subversion client  found in PATH" | tee -a $logfile
fi

#------------------------------------------------------------------
if [ "$install_patch" = "yes" ]; 
  then 
   echo "patch not found in PATH, need to install it" | tee -a $logfile
   stop=yes 
fi
if [ "$install_wget" = "yes" ]; 
  then 
   echo "wget not found in PATH, need to install it" | tee -a $logfile
   stop=yes 
fi
if [ "$install_svn" = "yes" ]; 
  then 
   echo "SVN not found in PATH, it is recomanded to install it" | tee -a $logfile
   stop=no 
fi

if [ "$stop" = "yes" ]; 
  then 
   echo "missing packages .............stop installation" | tee -a $logfile
   exit 1
fi

#work around for using icecc 
ncpu=`echo $NCPU`
if [ "$ncpu" != "" ];
then
 number_of_processors=$ncpu
  echo "Number of proccessors = $NCPU "
# get the number of processors
elif [ "$arch" = "linux" ];
then
  number_of_processors=$(cat /proc/cpuinfo | grep processor | wc -l)
elif [ "$arch" = "darwin" ];
then
  number_of_processors=$(sysctl -n hw.ncpu)
elif [ "$arch" = "sunos" ];
then
  number_of_processors=$(/usr/sbin/psrinfo | wc -l)
fi

number_of_processes=$number_of_processors


case "$arch:$chip:$compiler" in
    linux:ia64:gcc)          
        arch=linuxia64gcc    
        platform=linux
        PLATFORM=$platform
        system=64bit
        MAKE_command=make
        ;;
    linux:ia64:intel) 
        echo "The Intel compiler is not supported for Itanium"
        exit 1         
        #arch=linuxia64gcc    
        #platform=linux
        #PLATFORM=$platform
        #system=64bit
        #MAKE_command=make
        ;;
    linux:x86_64:gcc)        
        arch=linuxx8664gcc   
        platform=linux
        PLATFORM=$platform
        system=64bit
        MAKE_command=make
        ;;
    linux:x86_64:intel)        
        arch=linuxx8664icc   
        platform=linux
        PLATFORM=$platform
        system=64bit
        MAKE_command=make
        ;;
    linux:i*86:gcc)          
        arch=linux           
        platform=linux
        PLATFORM=$platform
        system=32bit
        MAKE_command=make
        ;;
    linux:i*86:intel)          
        arch=linuxicc           
        platform=linux
        PLATFORM=$platform
        system=32bit
        MAKE_command=make
        ;;
    darwin:*86*:gcc)         
        arch=macosx          
        platform=macosx
        PLATFORM=$platform
        system=32bit
        MAKE_command=make
        ;;
     sunos:*86*:CC)
        arch=solarisCC5
        platform=solaris
        PLATFORM=$platform
        system=64bit
        MAKE_command=gmake
        ;;      
    sunos:*86*:gcc)
        arch=solarisgcc
        platform=solaris
        PLATFORM=$platform
        system=64bit
        MAKE_command=gmake   
        ;;
    *)
        echo "This architecture is not supported up to now"
        echo "Please contact the FairRoot team at GSI"
        echo "http://fairroot.gsi.de"
        exit 1
        ;;
esac

if [ "$arch" = "macosx" ]; then
   if [ `sw_vers | sed -n 's/ProductVersion://p' | cut -d . -f 2` = 5 ]; then
      if `sysctl machdep.cpu.extfeatures | grep "64" > /dev/null  2>&1` ; then
         arch=macosx64
         platform=macosx
         PLATFORM=$platform
         system=64bit
         MAKE_command=make
      fi
   fi
fi

return 1