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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0
- #
- # clang-version [-p] clang-command
- #
- # Prints the compiler version of `clang-command' in a canonical 4-digit form
- # such as `0500' for clang-5.0 etc.
- #
- # With the -p option, prints the patchlevel as well, for example `050001' for
- # clang-5.0.1 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$0 <clang-command>\n"
- exit 1
- fi
- MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
- MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
- if [ "x$with_patchlevel" != "x" ] ; then
- PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
- printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
- else
- printf "%02d%02d\\n" $MAJOR $MINOR
- fi
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