3 # gcc-version [-p] gcc-command
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.
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.
12 if [ "$1" = "-p" ] ; then
19 if [ ${#compiler} -eq 0 ]; then
20 echo "Error: No compiler specified."
21 printf "Usage:\n\t$0 <gcc-command>\n"
25 MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
26 MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
27 if [ "x$with_patchlevel" != "x" ] ; then
28 PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
29 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
31 printf "%02d%02d\\n" $MAJOR $MINOR