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bcbcf50f52
ld-version.sh checks the output from $(LD) --version, but it has a problem on some locales. For example, in Italian: $ LC_MESSAGES=it_IT.UTF-8 ld --version | head -n 1 ld di GNU (GNU Binutils for Debian) 2.35.2 This makes ld-version.sh fail because it expects "GNU ld" for the BFD linker case. Add LC_ALL=C to override the user's locale. BTW, setting LC_MESSAGES=C (or LANG=C) is not enough because it is ineffective if LC_ALL is set on the user's environment. Link: https://bugzilla.kernel.org/show_bug.cgi?id=212105 Reported-by: Marco Scardovi Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Recensito-da: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
80 lines
1.7 KiB
Bash
Executable File
80 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Print the linker name and its version in a 5 or 6-digit form.
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# Also, perform the minimum version check.
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set -e
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# When you raise the minimum linker version, please update
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# Documentation/process/changes.rst as well.
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bfd_min_version=2.23.0
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lld_min_version=10.0.1
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# Convert the version string x.y.z to a canonical 5 or 6-digit form.
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get_canonical_version()
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{
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IFS=.
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set -- $1
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# If the 2nd or 3rd field is missing, fill it with a zero.
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#
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# The 4th field, if present, is ignored.
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# This occurs in development snapshots as in 2.35.1.20201116
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echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
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}
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orig_args="$@"
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# Get the first line of the --version output.
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IFS='
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'
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set -- $(LC_ALL=C "$@" --version)
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# Split the line on spaces.
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IFS=' '
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set -- $1
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if [ "$1" = GNU -a "$2" = ld ]; then
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shift $(($# - 1))
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version=$1
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min_version=$bfd_min_version
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name=BFD
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disp_name="GNU ld"
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elif [ "$1" = GNU -a "$2" = gold ]; then
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echo "gold linker is not supported as it is not capable of linking the kernel proper." >&2
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exit 1
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else
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while [ $# -gt 1 -a "$1" != "LLD" ]; do
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shift
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done
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if [ "$1" = LLD ]; then
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version=$2
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min_version=$lld_min_version
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name=LLD
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disp_name=LLD
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else
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echo "$orig_args: unknown linker" >&2
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exit 1
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fi
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fi
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# Some distributions append a package release number, as in 2.34-4.fc32
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# Trim the hyphen and any characters that follow.
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version=${version%-*}
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cversion=$(get_canonical_version $version)
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min_cversion=$(get_canonical_version $min_version)
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if [ "$cversion" -lt "$min_cversion" ]; then
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echo >&2 "***"
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echo >&2 "*** Linker is too old."
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echo >&2 "*** Your $disp_name version: $version"
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echo >&2 "*** Minimum $disp_name version: $min_version"
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echo >&2 "***"
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exit 1
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fi
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echo $name $cversion
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