#!/bin/bash -f
# ###################################################
#
# This script stores system information in config file.
#
#(Author)
#  Akiya Miyamoto  15-April-1999   Original version
#  A.Miyamoto  25-June-1999  Create src/JSFConfig.h, instead of conf/spec
#$Id: configure_kaltest,v 1.3 2009-04-06 23:09:41 fujiik Exp $
#
# ###################################################

# ##################################################
error_message(){
  echo "System configuration error.."
  echo "Environment variable, KALTESTROOT, is not set,"
  echo "root command is not found or g77 is not found."
  exit
}

# ##################################################
exit_message(){
  echo "System information is saved in $1"
  exit
}


# ##################################################
set_g77info()
{
  specfile=$1
  echo -n "g77 version .. "
  g77 -v > tmp-g77.$$ 2>&1

  g77versionstr=`cat tmp-g77.$$ | grep release | grep gcc | cut -d"(" -f2 | cut -d")" -f1`

  g77version=`echo $g77versionstr | cut -d" " -f1 | cut -d"-" -f2 | cut -d"." -f1 `
  echo "#define __G77EGCS_VERSION__ " $g77version >> $specfile

  g77mversion=`echo $g77versionstr | cut -d" " -f1 | cut -d"-" -f2 | cut -d"." -f2 `
  echo "#define __G77EGCS_MINORVERSION__ " $g77mversion >> $specfile

  g77plevel=`echo $g77versionstr | cut -d" " -f1 | cut -d"-" -f2 | cut -d"." -f3 `
  echo "#define __G77EGCS_PATCHLEVEL__ " $g77plevel >> $specfile

  g77lib="g2c"
  if [ "$g77version" == "0" ] ; then
     g77lib="f2c"
  elif [ "$g77version" == "1" ] && ["$g77mversion" == "0" ] ;  then
    g77lib="f2c"
  fi
  echo -n "#define __G77EGCS_LIBNAME__ " >> $specfile
  echo $g77lib  >> $specfile

  rm -f  tmp-g77.$$ 2>&1 
}

# ##################################################
set_g95info()
{
  specfile=$1
  echo -n "gfortran version .. "
  gfortran -v > tmp-g95.$$ 2>&1

  g95versionstr=`cat tmp-g95.$$ | tail -1 | sed -e 's;.* \([0-9]*\.[0-9]*\.[0-9]*\) .*;\1;'`

  g95version=`echo $g95versionstr | cut -d"." -f1`
  echo "#define __G77EGCS_VERSION__ " $g95version >> $specfile
  
  g95mversion=`echo $g95versionstr | cut -d"." -f2 `
  echo "#define __G77EGCS_MINORVERSION__ " $g95mversion >> $specfile
  
  g95plevel=`echo $g95versionstr | cut -d"." -f3 `
  echo "#define __G77EGCS_PATCHLEVEL__ " $g95plevel >> $specfile
  
  g95lib="gfortran"
  echo -n "#define __G77EGCS_LIBNAME__ " >> $specfile
  echo $g95lib  >> $specfile
  
  rm -f  tmp-g95.$$ 2>&1
}


# ########################################################################
#
# Get GCC version number
#
# ########################################################################

gcppversion()
{

cat > temp.cxx <<EOF
#include <stdio.h>
main()
{
 const char *date=__DATE__;
 const char *time=__TIME__;
 printf("#define __CONFIG_DATE__ \"%s\"\n",date);
 printf("#define __CONFIG_TIME__ \"%s\"\n",time);

 int gnuc=__GNUC__;
 int gnuc_minor=__GNUC_MINOR__;
 int gnuc_patch=__GNUC_PATCHLEVEL__;
 printf("#define __JSF_GNUC_VERSION__    %d\n",gnuc);
 printf("#define __JSF_GNUC_MINOR__      %d\n",gnuc_minor);
 printf("#define __JSF_GNUC_PATCHLEVEL__ %d\n",gnuc_patch);
 printf("#define __GNUC_VERSION__    %d\n",gnuc);
 printf("#define __GNUC_MINOR__      %d\n",gnuc_minor);
 printf("#define __GNUC_PATCHLEVEL__ %d\n",gnuc_patch);

 const char *version=__VERSION__;
 printf("#define __GNUC_VERSION_STRING__  \"%s\"\n",version);
 printf("#define __JSF_GNUC_VERSION_STRING__  \"%s\"\n",version);

}
EOF

g++ temp.cxx
./a.out

rm -f temp.cxx a.out

}

# ############################################
#
# Main shell
#
# ############################################

LANG=C

systype=`uname -s`
echo "OS of this system is $systype".

if [ $# -ne 0 ] ; then
  lcbsedir=$1
else
  if [ -z $KALTESTROOT ] ; then
    error_message
  fi
  lcbasedir=$KALTESTROOT
fi

# ---------------------------------------------

echo -n "Creating system information ."
specfile=$lcbasedir/include/LCBASEConfig.h
mkdir -p $lcbasedir/include

echo "#ifndef __LCBASE_CONFIG__" > $specfile
echo "#define __LCBASE_CONFIG__" >> $specfile

# ---------------------------------------------

echo -n "Root version .."
if [ "$systype" == "AIX" ] ;  then
  root -q -b -l $lcbasedir/bin/printversion.C > tmp.$$ 2>&1 
  grep "ROOT_" tmp.$$ >> $specfile
  rm -f tmp.$$ 
else
  root -q -b -l $lcbasedir/bin/printversion.C | grep "ROOT_" >> $specfile
fi

############################################3
# Set gcc version information
############################################3
if [ -f `which g++` -a "$systype" != "AIX" ] ; then
  echo -n "g++ version .. "
  gcppversion >> $specfile
fi


##########################
#
##########################
echo "#ifndef __CINT__" >> $specfile
echo -n "#define __UNAME_MACHINE__ " >> $specfile
uname -m >> $specfile
echo -n "#define __UNAME_SYSNAME__ " >> $specfile
uname -s >> $specfile


if [ "$systype" != "AIX" ] ; then
  if  [ "`which g77 | grep -v 'no g77'| grep -c g77 `" != 0 ] ; then
    set_g77info $specfile
  elif [ "`which gfortran | grep -v 'no gfortran' | grep -c gfortran`" != 0 ]; then
    set_g95info $specfile
  fi
fi

echo '#define JSF_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >> $specfile
echo '#define JSF_VERSION_CODE JSF_VERSION(__JSF_VERSION__,__JSF_MINORVERSION__,__JSF_PATCHLEVEL__)' >> $specfile
echo '#define GNUC_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >> $specfile
echo '#define GNUC_VERSION_CODE GNUC_VERSION(__GNUC_VERSION__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__)' >> $specfile
echo "#endif" >> $specfile
echo "#endif" >> $specfile


echo " "
echo "$specfile was created."
exit