gcc-version.sh 816 B

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  1. #!/bin/sh
  2. #
  3. # gcc-version [-p] gcc-command
  4. #
  5. # Prints the gcc version of `gcc-command' in a canonical 4-digit form
  6. # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
  7. #
  8. # With the -p option, prints the patchlevel as well, for example `029503' for
  9. # gcc-2.95.3, `030301' for gcc-3.3.1, etc.
  10. #
  11. if [[ $1 = "-p" ]] ; then with_patchlevel=1; shift; fi
  12. compiler="$*"
  13. if [ ${#compiler} -eq 0 ]; then
  14. echo "Error: No compiler specified."
  15. echo -e "Usage:\n\t$0 <gcc-command>"
  16. exit 1
  17. fi
  18. MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
  19. MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
  20. if [ "x$with_patchlevel" != "x" ] ; then
  21. PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
  22. printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
  23. else
  24. printf "%02d%02d\\n" $MAJOR $MINOR
  25. fi