#!/bin/sh
#
# Compute the Firefox XPCOM-ABI string -- see
#    http://developer.mozilla.org/en/docs/XPCOM_ABI
# 

# OS_TARGET portion should be one of:
#   Linux
#   Darwin - Mac OSX
#   WINNT - Windows NT, 2000, XP and later
#   SunOS - all Solaris versions
#
OS=`uname -s`

# COMPILER should be one of:
#    gcc2 - GNU C++ v2.x
#    gcc3 - GNU C++ v3.x or v4.x
#    msvc - MS Visual C++
#    n32 - IRIX 6 C++ Compiler
#    sunc - Sun C++ Compiler
#    ibmc - IBM C++ Compiler
#
# TODO: figure out how to determine this in a better way
case $OS in
  SunOS)
    COMPILER=sunc
    ;;
  WINNT)
    COMPILER=msvc
    ;;
  *)
    COMPILER=gcc3
    ;;
esac

# TARGET_XPCOM_ABI consists of ARCH and COMPILER

# Currently acceptable ARCH values are:
#    x86 - i386 and up, 32-bit mode
#    x86_64 - AMD64/EMT64 processors in 64-bit mode
#    ppc
#    alpha
#    sparc
#    ia64 - Itanium
#
ARCH=`uname -m`
case "$ARCH" in
  x86_64 | ppc | sparc | alpha | ia64)
    # these don't need changing
    ;;
  athlon | i386 | i486 | i586 | i686 | i86pc)
    ARCH=x86
    ;;
  *Macintosh*)
    case `uname -p` in
      powerpc)
        ARCH=ppc
        ;;
      *)
        echo "Unknown mac architecture '$ARCH'" >&2
        exit 1
        ;;
    esac
    ;;
  *)
    echo "Unknown architecture '$ARCH'" >&2
    exit 1
    ;;
esac

echo ${OS}_$ARCH-$COMPILER >$1
exit 0