#!/bin/sh
  # SPDX-License-Identifier: GPL-2.0
  #

  # clang-version clang-command

  #

  # Print the compiler version of `clang-command' in a 5 or 6-digit form
  # such as `50001' for clang-5.0.1 etc.

  compiler="$*"

  if ! ( $compiler --version | grep -q clang) ; then

  	echo 0

  	exit 1
  fi
  
  MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
  MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)

  PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
  printf "%d%02d%02d\
  " $MAJOR $MINOR $PATCHLEVEL