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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283#!/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 -fno-integrated-as is given.# We check -fintegrated-as, expecting it is explicitly passed in for the# integrated assembler case.check_integrated_as(){ while [ $# -gt 0 ]; do if [ "$1" = -fintegrated-as ]; then # For the integrated assembler, we do not check the # version here. It is the same as the clang version, and # it has been already checked by scripts/cc-version.sh. echo LLVM 0 exit 0 fi shift done}
check_integrated_as "$@"
orig_args="$@"
# Get the first line of the --version output.IFS=''set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler-with-cpp /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