83 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/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=$1
 | |
| 	min_version=$($min_tool_version binutils)
 | |
| 	name=GNU
 | |
| else
 | |
| 	echo "$orig_args: unknown assembler invoked" >&2
 | |
| 	exit 1
 | |
| fi
 | |
| 
 | |
| # 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 1
 | |
| fi
 | |
| 
 | |
| echo $name $cversion
 |