1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# clang-version [-p] clang-command 5# 6# Prints the compiler version of `clang-command' in a canonical 4-digit form 7# such as `0500' for clang-5.0 etc. 8# 9# With the -p option, prints the patchlevel as well, for example `050001' for 10# clang-5.0.1 etc. 11# 12 13if [ "$1" = "-p" ] ; then 14 with_patchlevel=1; 15 shift; 16fi 17 18compiler="$*" 19 20if [ ${#compiler} -eq 0 ]; then 21 echo "Error: No compiler specified." 22 printf "Usage:\n\t$0 <clang-command>\n" 23 exit 1 24fi 25 26MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1) 27MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1) 28if [ "x$with_patchlevel" != "x" ] ; then 29 PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1) 30 printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL 31else 32 printf "%02d%02d\\n" $MAJOR $MINOR 33fi 34