#!/bin/sh# SPDX-License-Identifier: GPL-2.0-only## Print the assembler name and its version in a 5 or 6-digit form.# Also, perform the minimum version check.# (If it is the integrated assembler, return 0 as the version, and# skip the version check.) set -e # Convert the version string x.y.z to a canonical 5 or 6-digit form.get_canonical_version(){	IFS=.	set -- $1 	# If the 2nd or 3rd field is missing, fill it with a zero.	#	# The 4th field, if present, is ignored.	# This occurs in development snapshots as in 2.35.1.20201116	echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))} # Clang fails to handle -Wa,--version unless -no-integrated-as is given.# We check -(f)integrated-as, expecting it is explicitly passed in for the# integrated assembler case.check_integrated_as(){	while [ $# -gt 0 ]; do		if [ "$1" = -integrated-as -o "$1" = -fintegrated-as ]; then			# For the intergrated assembler, we do not check the			# version here. It is the same as the clang version, and			# it has been already checked by scripts/cc-version.sh.			echo LLVM 0			exit 0		fi		shift	done} check_integrated_as "$@" orig_args="$@" # Get the first line of the --version output.IFS=''set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler /dev/null -o /dev/null 2>/dev/null) # Split the line on spaces.IFS=' 'set -- $1 min_tool_version=$(dirname $0)/min-tool-version.sh if [ "$1" = GNU -a "$2" = assembler ]; then	shift $(($# - 1))	version=$1	min_version=$($min_tool_version binutils)	name=GNUelse	echo "$orig_args: unknown assembler invoked" >&2	exit 1fi # Some distributions append a package release number, as in 2.34-4.fc32# Trim the hyphen and any characters that follow.version=${version%-*} cversion=$(get_canonical_version $version)min_cversion=$(get_canonical_version $min_version) if [ "$cversion" -lt "$min_cversion" ]; then	echo >&2 "***"	echo >&2 "*** Assembler is too old."	echo >&2 "***   Your $name assembler version:    $version"	echo >&2 "***   Minimum $name assembler version: $min_version"	echo >&2 "***"	exit 1fi echo $name $cversion