clang-version.sh 636 B

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  1. #!/bin/sh
  2. # SPDX-License-Identifier: GPL-2.0
  3. #
  4. # clang-version [-p] clang-command
  5. #
  6. # Prints the compiler version of `clang-command' in a canonical 4-digit form
  7. # such as `0500' for clang-5.0 etc.
  8. #
  9. # With the -p option, prints the patchlevel as well, for example `050001' for
  10. # clang-5.0.1 etc.
  11. #
  12. compiler="$*"
  13. if ! ( $compiler --version | grep -q clang) ; then
  14. echo 0
  15. exit 1
  16. fi
  17. MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
  18. MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
  19. PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
  20. printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL