| #!/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 |