#!/bin/sh
#*---------------------------------------------------------------------*/
#*    flags                                                            */
#*---------------------------------------------------------------------*/
cxx=g++
cflags=
tmp=/tmp

#*---------------------------------------------------------------------*/
#*    We parse the arguments                                           */
#*---------------------------------------------------------------------*/
while : ; do
  case $1 in
    "")
      break;;

    --user=*)
      user="`echo $1 | sed 's/^[-a-z]*=//'`";;

    --cxx=*|-cxx=*)
      cxx="`echo $1 | sed 's/^[-a-z]*=//'`";;

    --cflags=*|-cflags=*)
      cflags="`echo $1 | sed 's/^[-a-z]*=//'`";;

    --tmp=*|-tmp=*)
      tmp="`echo $1 | sed 's/^[-a-z]*=//'`";;

    -*)
      echo "Unknown option \"$1\", ignored" >&2;;
  esac
  shift
done

file=$tmp/actest$user
aout=$tmp/Xactest$user

#*---------------------------------------------------------------------*/
#*    compile                                                          */
#*---------------------------------------------------------------------*/
compile="$cxx $cflags $file.cpp -o $aout >/dev/null 2> /dev/null"

#*---------------------------------------------------------------------*/
#*    The test C++ file                                                */
#*---------------------------------------------------------------------*/
if test -f $file.cpp; then
   rm -f $file.cpp || exit $?
fi

#*---------------------------------------------------------------------*/
#*    Test                                                             */
#*---------------------------------------------------------------------*/
cat > $file.cpp <<EOF
#include<cstdio>
int main () 
{ 
   long sz = sizeof( int * );
   long i = 1;

   while( (1<<i) < sz )
      i++;

   printf( "%d\n", i ); 
}
EOF

#*---------------------------------------------------------------------*/
#*    Compilation test                                                 */
#*---------------------------------------------------------------------*/
if eval $compile; then
   rm -f $file.*
   eval $aout
else
   error_code=$?
   rm -f $file.*
   exit $error_code
fi

rm -f $aout
rm -f $aout*