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