#!/bin/sh
#*=====================================================================*/
#*    serrano/prgm/project/bigloo/autoconf/gchavedoblocking            */
#*    -------------------------------------------------------------    */
#*    Author      :  Manuel Serrano                                    */
#*    Creation    :  Wed Aug  9 13:27:23 1995                          */
#*    Last change :  Sat Sep  5 06:06:18 2009 (serrano)                */
#*    -------------------------------------------------------------    */
#*    Check the GC version                                             */
#*=====================================================================*/

#*---------------------------------------------------------------------*/
#*    flags                                                            */
#*---------------------------------------------------------------------*/
cflags=
gcdir=gc-boehm
gcincdir=/usr/include/gc
gclibdir=/usr/lib
gclib=gc

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

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

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

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

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

    --dlopen=*)
      dlopen="`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="$CC $cflags $file.c -o $aout -I$gcincdir -I$gcincdir/gc -L$gclibdir -l$gclib >/dev/null"

#*---------------------------------------------------------------------*/
#*    The test C file                                                  */
#*---------------------------------------------------------------------*/
if( test -f $file.c ); then
   rm -f $file.c || exit $?
fi

#*---------------------------------------------------------------------*/
#*    Test1                                                            */
#*---------------------------------------------------------------------*/
cat >> $file.c <<EOF
#include <gc.h>
#include <stdio.h>
extern GC_do_blocking();

int check_addr( long a1, long a2 ) {
    return a1 > a2;
}

int main( int argc, char *argv[] ) {
   GC_init();
   if( check_addr( &GC_do_blocking, &main ) ) puts( "yes" ); else puts( "yes" );
   return 0;
}
EOF

if eval "$BUILDSH $compile" 2> /dev/null; then
   eval "$HOSTSH $aout" 2> /dev/null;
   rm -f $aout
else
   echo "no"
   rm -f $aout
fi

\rm -f $file.*

exit 0;
