| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # SPDX-License-Identifier: GPL-2.0 |
| 3 | # |
| 4 | # gcc-version [-p] gcc-command |
| 5 | # |
| 6 | # Prints the gcc version of `gcc-command' in a canonical 4-digit form |
| 7 | # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. |
| 8 | # |
| 9 | # With the -p option, prints the patchlevel as well, for example `029503' for |
| 10 | # gcc-2.95.3, `030301' for gcc-3.3.1, etc. |
| 11 | # |
| 12 | |
| 13 | if [ "$1" = "-p" ] ; then |
| 14 | with_patchlevel=1; |
| 15 | shift; |
| 16 | fi |
| 17 | |
| 18 | compiler="$*" |
| 19 | |
| 20 | if [ ${#compiler} -eq 0 ]; then |
| 21 | echo "Error: No compiler specified." |
| 22 | printf "Usage:\n\t$0 <gcc-command>\n" |
| 23 | exit 1 |
| 24 | fi |
| 25 | |
| 26 | MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1) |
| 27 | MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1) |
| 28 | if [ "x$with_patchlevel" != "x" ] ; then |
| 29 | PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1) |
| 30 | printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL |
| 31 | else |
| 32 | printf "%02d%02d\\n" $MAJOR $MINOR |
| 33 | fi |