ublk_drv: add device parameter UBLK_PARAM_TYPE_DEVT
[linux-block.git] / scripts / as-version.sh
CommitLineData
ba64beb1
MY
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0-only
3#
4# Print the assembler name and its version in a 5 or 6-digit form.
5# Also, perform the minimum version check.
6# (If it is the integrated assembler, return 0 as the version, and
7# skip the version check.)
8
9set -e
10
11# Convert the version string x.y.z to a canonical 5 or 6-digit form.
12get_canonical_version()
13{
14 IFS=.
15 set -- $1
16
17 # If the 2nd or 3rd field is missing, fill it with a zero.
18 #
19 # The 4th field, if present, is ignored.
20 # This occurs in development snapshots as in 2.35.1.20201116
21 echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
22}
23
2185a7e4
NC
24# Clang fails to handle -Wa,--version unless -fno-integrated-as is given.
25# We check -fintegrated-as, expecting it is explicitly passed in for the
ba64beb1
MY
26# integrated assembler case.
27check_integrated_as()
28{
29 while [ $# -gt 0 ]; do
2185a7e4
NC
30 if [ "$1" = -fintegrated-as ]; then
31 # For the integrated assembler, we do not check the
ba64beb1
MY
32 # version here. It is the same as the clang version, and
33 # it has been already checked by scripts/cc-version.sh.
34 echo LLVM 0
35 exit 0
36 fi
37 shift
38 done
39}
40
41check_integrated_as "$@"
42
43orig_args="$@"
44
45# Get the first line of the --version output.
46IFS='
47'
48set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler /dev/null -o /dev/null 2>/dev/null)
49
50# Split the line on spaces.
51IFS=' '
52set -- $1
53
54min_tool_version=$(dirname $0)/min-tool-version.sh
55
56if [ "$1" = GNU -a "$2" = assembler ]; then
57 shift $(($# - 1))
58 version=$1
59 min_version=$($min_tool_version binutils)
60 name=GNU
61else
62 echo "$orig_args: unknown assembler invoked" >&2
63 exit 1
64fi
65
66# Some distributions append a package release number, as in 2.34-4.fc32
67# Trim the hyphen and any characters that follow.
68version=${version%-*}
69
70cversion=$(get_canonical_version $version)
71min_cversion=$(get_canonical_version $min_version)
72
73if [ "$cversion" -lt "$min_cversion" ]; then
74 echo >&2 "***"
75 echo >&2 "*** Assembler is too old."
76 echo >&2 "*** Your $name assembler version: $version"
77 echo >&2 "*** Minimum $name assembler version: $min_version"
78 echo >&2 "***"
79 exit 1
80fi
81
82echo $name $cversion