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