| #!/bin/sh | |
| # | |
| # gcc-version [-p] gcc-command | |
| # | |
| # Prints the gcc version of `gcc-command' in a canonical 4-digit form | |
| # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. | |
| # | |
| # With the -p option, prints the patchlevel as well, for example `029503' for | |
| # gcc-2.95.3, `030301' for gcc-3.3.1, etc. | |
| # | |
| if [ "$1" = "-p" ] ; then | |
| with_patchlevel=1; | |
| shift; | |
| fi | |
| compiler="$*" | |
| if [ ${#compiler} -eq 0 ]; then | |
| echo "Error: No compiler specified." | |
| printf "Usage:\n\t$0 <gcc-command>\n" | |
| exit 1 | |
| fi | |
| MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) | |
| MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) | |
| if [ "x$with_patchlevel" != "x" ] ; then | |
| PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) | |
| printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL | |
| else | |
| printf "%02d%02d\\n" $MAJOR $MINOR | |
| fi |