scripts/clang-version.sh

   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
   9 compiler="$*"
  10
  11 if ! ( $compiler --version | grep -q clang) ; then
  12         echo 0
  13         exit 1
  14 fi
  15
  16 MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
  17 MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
  18 PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
  19 printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL