1 #!/bin/sh !! 1 #!/usr/bin/awk -f
2 # SPDX-License-Identifier: GPL-2.0 !! 2 # extract linker version number from stdin and turn into single number
3 # !! 3 {
4 # Print the linker name and its version in a 5 !! 4 gsub(".*\\)", "");
5 # Also, perform the minimum version check. !! 5 gsub(".*version ", "");
6 !! 6 gsub("-.*", "");
7 set -e !! 7 split($1,a, ".");
8 !! 8 print a[1]*100000000 + a[2]*1000000 + a[3]*10000;
9 # Convert the version string x.y.z to a canoni !! 9 exit
10 get_canonical_version() !! 10 }
11 { <<
12 IFS=. <<
13 set -- $1 <<
14 <<
15 # If the 2nd or 3rd field is missing, <<
16 # <<
17 # The 4th field, if present, is ignore <<
18 # This occurs in development snapshots <<
19 echo $((10000 * $1 + 100 * ${2:-0} + $ <<
20 } <<
21 <<
22 orig_args="$@" <<
23 <<
24 # Get the first line of the --version output. <<
25 IFS=' <<
26 ' <<
27 set -- $(LC_ALL=C "$@" --version) <<
28 <<
29 # Split the line on spaces. <<
30 IFS=' ' <<
31 set -- $1 <<
32 <<
33 min_tool_version=$(dirname $0)/min-tool-versio <<
34 <<
35 if [ "$1" = GNU -a "$2" = ld ]; then <<
36 shift $(($# - 1)) <<
37 version=$1 <<
38 min_version=$($min_tool_version binuti <<
39 name=BFD <<
40 disp_name="GNU ld" <<
41 elif [ "$1" = GNU -a "$2" = gold ]; then <<
42 echo "gold linker is not supported as <<
43 exit 1 <<
44 else <<
45 while [ $# -gt 1 -a "$1" != "LLD" ]; d <<
46 shift <<
47 done <<
48 <<
49 if [ "$1" = LLD ]; then <<
50 version=$2 <<
51 min_version=$($min_tool_versio <<
52 name=LLD <<
53 disp_name=LLD <<
54 else <<
55 echo "$orig_args: unknown link <<
56 exit 1 <<
57 fi <<
58 fi <<
59 <<
60 # There may be something after the version, su <<
61 # release number (like Fedora's "2.34-4.fc32") <<
62 # added before the "compatible with GNU linker <<
63 # after just numbers and periods. <<
64 version=${version%%[!0-9.]*} <<
65 <<
66 cversion=$(get_canonical_version $version) <<
67 min_cversion=$(get_canonical_version $min_vers <<
68 <<
69 if [ "$cversion" -lt "$min_cversion" ]; then <<
70 echo >&2 "***" <<
71 echo >&2 "*** Linker is too old." <<
72 echo >&2 "*** Your $disp_name versio <<
73 echo >&2 "*** Minimum $disp_name ver <<
74 echo >&2 "***" <<
75 exit 1 <<
76 fi <<
77 <<
78 echo $name $cversion <<
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