#!/bin/sh
#*=====================================================================*/
#*    serrano/prgm/project/bigloo/autoconf/thread                      */
#*    -------------------------------------------------------------    */
#*    Author      :  Manuel Serrano                                    */
#*    Creation    :  Thu Jan 14 10:31:33 1999                          */
#*    Last change :  Wed Jul 21 07:25:20 2004 (serrano)                */
#*    -------------------------------------------------------------    */
#*    Checking native threads (quite obvious)                          */
#*=====================================================================*/

#*---------------------------------------------------------------------*/
#*    flags                                                            */
#*---------------------------------------------------------------------*/
cc=gcc
cflags=""
tmp=/tmp
user=bigloo
posixos="unix"

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

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

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

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

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

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

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

#*---------------------------------------------------------------------*/
#*    On some archiecture (e.g., alpha, Mac PPC, etc.) cc -O3 option   */
#*    cannot be used otherwise call/cc crashes. I will have to figure  */
#*    out why. In the mean time, I use an ad-hoc configuration scheme. */
#*---------------------------------------------------------------------*/
case $posixos in
   linux)
     echo "-DGC_LINUX_THREADS -D_REENTRANT -DGC_THREADS -DTHREAD_LOCAL_ALLOC $cflags";;

   cygwin)
     echo "-DGC_WIN32_THREADS -D_REENTRANT -DGC_THREADS -DMAX_THREADS=256 $cflags";;

   mingw)
     echo "-DGC_WIN32_THREADS -D_REENTRANT -DGC_THREADS -DTHREAD_LOCAL_ALLOC";;

   unix)
     case `uname -s` in
       solaris*|SunOS*)
         echo "-DGC_SOLARIS_PTHREADS -D_REENTRANT -DGC_THREADS $cflags";;

       HP-UX*)
         echo "-DGC_HPUX_THREADS -DGC_THREADS $cflags";;

       FreeBSD*)
          echo "-D_THREAD_SAFE -D_REENTRANT -DGC_THREADS $cflags";;
 
       *)
          echo "no";;
     esac;;

   *)
     echo "no";;
esac

exit 0
