#!@SHELL@
#
# .arch-n-opsys  -- get architecture and system info
#

export PATH
PATH="/bin:/usr/bin"

case `uname -s` in
  HP-UX)
    ARCH=hppa
    case `uname -r` in
      *.09.*) OPSYS=hpux9 ;;
      *.10.*) OPSYS=hpux ;;
      *) exit 1 ;;
    esac
    ;; 
  IRIX*)
    ARCH=mipseb
    case `uname -r` in
      4.*) OPSYS=irix4; HEAP_OPSYS=irix;;
      5.*) OPSYS=irix5; HEAP_OPSYS=irix;;
      6.*) OPSYS=irix6; ALT_OPSYS=irix5; HEAP_OPSYS=irix;;
      *) exit 1;;
    esac
    ;;
  SunOS)
    case `uname -r` in
      4.*)
	OPSYS=sunos
	case `/usr/bin/arch` in
	  sun4) ARCH=sparc;;
	  *) exit 1;;
	esac
      ;;
      5.*)
	OPSYS=solaris
	case `uname -p` in
	  sparc) ARCH=sparc;;
	  *86) ARCH=x86;;
	  *) exit 1;;
	esac
      ;;
      *) exit 1;;
    esac
    ;;
  AIX)
    OPSYS=aix
    ARCH=ppc
    ;;
  Darwin)
    case `uname -r` in
      5*) OPSYS=darwin5; HEAP_OPSYS=darwin ;; # MacOS X 10.1
      6*) OPSYS=darwin;  HEAP_OPSYS=darwin ;; # MacOS X 10.2
      7*) OPSYS=darwin;  HEAP_OPSYS=darwin ;; # MacOS X 10.3
      8*) OPSYS=darwin;  HEAP_OPSYS=darwin ;; # MacOS X 10.4
      *) exit 1;;
    esac
    case `uname -p` in
      powerpc) ARCH=ppc;;
      *) exit 1;;
    esac
    ;;
  OSF1)
    case `uname -m` in
      alpha)
	case `uname -r` in
	  V2.*) ARCH=alpha32x; OPSYS=osf1 ;;
	  V3.*) ARCH=alpha32x; OPSYS=osf1 ;;
	  V4.*) ARCH=alpha32; OPSYS=dunix ;;
	  *) exit 1 ;;
	esac
        ;;
      *) exit 1 ;;
    esac 
    ;;
  Linux)
    OPSYS=linux
    case `uname -m` in
      # As long as we do not natively support the amd64 architecture,
      # we should fallback to the x86 compatibility mode.  --Stef
      *86 | x86_64) ARCH=x86;;
      ppc)
	ARCH=ppc
	case `uname -r` in
	  *osfmach*) OPSYS=mklinux ;;
	  *) ;;
	esac
	;;
      *) exit 1;;
    esac
    ;;
  FreeBSD)
    OPSYS=freebsd
    HEAP_OPSYS=bsd
    case `uname -m` in
      *86) ARCH=x86;;
      *) exit 1;;
    esac
    ;;
  NetBSD)
    OPSYS=netbsd
    HEAP_OPSYS=bsd
    case `uname -m` in
      *86) ARCH=x86;;
      *) exit 1;;
    esac
    ;;
  Windows_NT)
    OPSYS=win32
    case `uname -m` in
      *86) ARCH=x86;;
      *) exit 1;;
    esac
    ;;
  CYGWIN_NT*)
    # If the environment variable SMLNJ_CYGWIN_RUNTIME is defined,
    # use cygwin as the runtime environment.
    if [ "$SMLNJ_CYGWIN_RUNTIME" != "" ]; then
       OPSYS=cygwin
    else
       OPSYS=win32
    fi
    case `uname -m` in
       *86) ARCH=x86;;
       *) exit 1;;
    esac
    ;;
  *) exit 1;;
esac

if [ "$HEAP_OPSYS" = "" ]; then
  HEAP_SUFFIX="$ARCH-$OPSYS"
else
  HEAP_SUFFIX="$ARCH-$HEAP_OPSYS"
fi

if [ "$ALT_OPSYS" = "" ]; then
echo "ARCH=$ARCH; OPSYS=$OPSYS; HEAP_SUFFIX=$HEAP_SUFFIX"
else
echo "ARCH=$ARCH; OPSYS=$OPSYS; ALT_OPSYS=$ALT_OPSYS; HEAP_SUFFIX=$HEAP_SUFFIX"
fi