| #!/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. | 
 | # | 
 |  | 
 | compiler="$*" | 
 |  | 
 | if ! ( $compiler --version | grep -q clang) ; then | 
 | 	echo 0 | 
 | 	exit 1 | 
 | fi | 
 |  | 
 | MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1) | 
 | MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1) | 
 | PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1) | 
 | printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL |