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 12if [ "$1" = "-p" ] ; then 13 with_patchlevel=1; 14 shift; 15fi 16 17compiler="$*" 18 19if [ ${#compiler} -eq 0 ]; then 20 echo "Error: No compiler specified." 21 printf "Usage:\n\t$0 <gcc-command>\n" 22 exit 1 23fi 24 25MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) 26MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) 27if [ "x$with_patchlevel" != "x" ] ; then 28 PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) 29 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL 30else 31 printf "%02d%02d\\n" $MAJOR $MINOR 32fi 33