linux/scripts/clang-version.sh
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   1#!/bin/sh
   2# SPDX-License-Identifier: GPL-2.0
   3#
   4# clang-version clang-command
   5#
   6# Print the compiler version of `clang-command' in a 5 or 6-digit form
   7# such as `50001' for clang-5.0.1 etc.
   8
   9compiler="$*"
  10
  11if ! ( $compiler --version | grep -q clang) ; then
  12        echo 0
  13        exit 1
  14fi
  15
  16MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
  17MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
  18PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
  19printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
  20