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- #!/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
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