#!/bin/sh


#try #1 at a configure script for EvtGen config.mk
#Authors: David Lange and Anders Ryd
#Date: October 5, 1998


echo "Welcome to configure for EvtGen"

if test -r config.mk  
then
  echo "Deleting config.mk"
  rm -f config.mk
fi

os=`uname -a | awk '{ print $1}'`

echo "This machine is running: $os"

case $os in
  SunOS) echo "$os is supported."
        syslib="-t -lF77 -lsunmath -lM77 -lxnet -lcx -lc -lnsl";; 
  OSF1) echo "$os is supported."
        syslib="-lcomplex -lfor";; 
  Linux) echo "$os is supported."
         syslib="-lg2c -lnsl";; 
  *) 
    echo "$os is not supported, but feel free to try it!"
  ;;	
esac

echo "Enter Name of c++ compiler (ie c++,cxx,CC, etc)"
read compiler
echo "Will use $compiler for compilation of C++ code"

echo "Enter name of fortran compiler"
read fcompiler
echo "Will use $fcompiler for compilation of fortran code"

echo "Enter name of linker (for example ${compiler} or ${fcompiler})"
read linker
echo "Will use $linker for linking the code to binaries"

echo "The EvtGen package uses photos and pythia from cernlib: Please set CERN_ROOT if not already"
echo "The EvtGen package uses root for histograming. Please set ROOTSYS if not already"
echo "The EvtGen package relies on CLHEP. Please set CLHEP_BASE_DIR if not already"

echo "Finding compiler includes"
touch test.cc
$compiler -v -c test.cc > temp.EvtGen 2>&1


sysinclist=" "
tinclist=" "

case $os in
  OSF1) 
	compminusv=`cat < temp.EvtGen`
        rm temp.EvtGen
        for item in $compminusv
        do
          addtolist=`echo $item | awk /-I/`
          tinclist="$tinclist $addtolist" 
        done;;
  SunOS)
	compminusv=`cat < temp.EvtGen`
        rm temp.EvtGen
        for item in $compminusv
        do
          addtolist=`echo $item | awk /-I/`
          tinclist="$tinclist $addtolist" 
        done;;
  Linux)
       compminusv=`cat < temp.EvtGen | grep '/include'`
       rm temp.EvtGen
       for item in $compminusv
       do
         addtolist=`echo -I$item`
         tinclist="$tinclist $addtolist"
       done;;
esac

#Get rid of spaces in tinclist and put into sysinclist for 
#further use.

for item in $tinclist
do
  sysinclist="$sysinclist $item"
done

#for the cxx flags -I need to drop the CLHEP from $clhep


inclist="$inclist -I\${CLHEP_BASE_DIR}/include -I\${ROOTSYS}/include -I../"

echo "The $compiler compiler includes are"
echo $sysinclist

defoptions="-I. -DEVTSTANDALONE"
#echo "The default $compiler options are "
#echo $defoptions
#echo "Enter any other options that you would like"
#echo "to use in compilation.  Examples -g -pg -o4 etc"
#
#read useroptions
#defoptions="$defoptions $useroptions" 
echo "The following options will be used by default"
echo $defoptions


deflinkopt="-lRIO -lNet"
#echo "The default link options are $deflinkopt"
#echo "for the test program."
#echo "Please enter any others that you would like to use"
#echo "(such as '-lRIO -lSQL -lNet' with ROOT >= 5.16)" 
#read userlinkopt
#
#deflinkopt="$deflinkopt $userlinkopt"

#autodetect pythia/photos/pdf lib names
pylibs=`ls $CERN_ROOT/lib/libpythia*.a  | awk '{print $1}' |tr '/' ' ' | awk '{print $NF}' | tr '.' ' ' | awk '{print substr($1,4,100)}'`
phlibs=`ls $CERN_ROOT/lib/libphotos*.a  | awk '{print $1}' |tr '/' ' ' | awk '{print $NF}' | tr '.' ' ' | awk '{print substr($1,4,100)}'`
pdlibs=`ls $CERN_ROOT/lib/libpdf*.a  | awk '{print $1}' |tr '/' ' ' | awk '{print $NF}' | tr '.' ' ' | awk '{print substr($1,4,100)}'`



#Making config.mk

echo "EVTCXX=$compiler" > config.mk
echo "EVTF77=$fcompiler" >> config.mk
echo "EVTLNKBIN=$linker" >> config.mk
echo "EVTCXXFLAGS=$defoptions $inclist" >> config.mk
echo "EVTDEPINC=$defoptions $inclist $sysinclist">> config.mk
echo "EVTF77FLAGS=$inclist" >> config.mk
echo "EVTLINK=-L. -L\${CERN_ROOT}/lib/ -L\${CLHEP_BASE_DIR}/lib -L\${ROOTSYS}/lib" >> config.mk
echo "EVTLINKOPT=$deflinkopt" >> config.mk
echo "EVTSYSLIB=$syslib" >> config.mk
echo "EVTPYLIB=$pylibs" >> config.mk
echo "EVTPHLIB=$phlibs" >> config.mk
echo "EVTPDLIB=$pdlibs" >> config.mk

echo "Done. Type make then make bin"