#!/bin/sh
#*=====================================================================*/
#*    serrano/prgm/project/bigloo/bigloo/autoconf/rdynamic             */
#*    -------------------------------------------------------------    */
#*    Author      :  Manuel Serrano                                    */
#*    Creation    :  Wed Aug  9 13:27:23 1995                          */
#*    Last change :  Mon Jul 10 13:58:08 2023 (serrano)                */
#*    -------------------------------------------------------------    */
#*    Check if rdynamic option is supported                            */
#*=====================================================================*/

#*---------------------------------------------------------------------*/
#*    flags                                                            */
#*---------------------------------------------------------------------*/
cflags=
rflags=

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

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

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

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

file=$TMP/actest$USER
aout=$TMP/Xactest$USER

#*---------------------------------------------------------------------*/
#*    gcc tuning                                                       */
#*---------------------------------------------------------------------*/
if [ "$CC" = "gcc" ]; then 
  eflags=-Werror
else
  eflags=
fi

#*---------------------------------------------------------------------*/
#*    compile                                                          */
#*---------------------------------------------------------------------*/
compile="$CC $eflags $cflags $file.c -o $aout $rflags >/dev/null"

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

#*---------------------------------------------------------------------*/
#*    Test                                                             */
#*---------------------------------------------------------------------*/
cat > $file.c <<EOF
#include <stdio.h>
char *foo() {
  return "GLOP";
}

int main( int argc, char *argv[] ) {
   puts( foo() );
   return 0;
}
EOF

#*---------------------------------------------------------------------*/
#*    Compilation test                                                 */
#*---------------------------------------------------------------------*/
if eval "$BUILDSH $compile"; then
   \rm -f $file.*
   rm -rf $aout*
   echo "$rflags"
else
   \rm -f $file.*
   echo ""
fi
