gcc-version.sh 588 B

1234567891011121314151617181920
  1. #!/bin/sh
  2. # SPDX-License-Identifier: GPL-2.0
  3. #
  4. # gcc-version gcc-command
  5. #
  6. # Print the gcc version of `gcc-command' in a 5 or 6-digit form
  7. # such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.
  8. compiler="$*"
  9. if [ ${#compiler} -eq 0 ]; then
  10. echo "Error: No compiler specified." >&2
  11. printf "Usage:\n\t$0 <gcc-command>\n" >&2
  12. exit 1
  13. fi
  14. MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
  15. MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
  16. PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
  17. printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL