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Commit a3e8fe814a ("x86/build: Raise the minimum GCC version to 8.1")
raised the minimum compiler version as enforced by Kbuild to gcc-8.1
and clang-15 for x86.
This is actually the same gcc version that has been discussed as the
minimum for all architectures several times in the past, with little
objection. A previous concern was the kernel for SLE15-SP7 needing to
be built with gcc-7. As this ended up still using linux-6.4 and there
is no plan for an SP8, this is no longer a problem.
Change it for all architectures and adjust the documentation accordingly.
A few version checks can be removed in the process. The binutils
version 2.30 is the lowest version used in combination with gcc-8 on
common distros, so use that as the corresponding minimum.
Link: https://lore.kernel.org/lkml/20240925150059.3955569-32-ardb+git@google.com/
Link: https://lore.kernel.org/lkml/871q7yxrgv.wl-tiwai@suse.de/
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
45 lines
650 B
Bash
Executable file
45 lines
650 B
Bash
Executable file
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Print the minimum supported version of the given tool.
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# When you raise the minimum version, please update
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# Documentation/process/changes.rst as well.
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set -e
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if [ $# != 1 ]; then
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echo "Usage: $0 toolname" >&2
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exit 1
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fi
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case "$1" in
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binutils)
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echo 2.30.0
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;;
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gcc)
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if [ "$ARCH" = parisc64 ]; then
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echo 12.0.0
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else
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echo 8.1.0
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fi
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;;
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llvm)
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if [ "$SRCARCH" = s390 -o "$SRCARCH" = x86 ]; then
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echo 15.0.0
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elif [ "$SRCARCH" = loongarch ]; then
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echo 18.0.0
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else
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echo 13.0.1
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fi
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;;
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rustc)
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echo 1.78.0
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;;
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bindgen)
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echo 0.65.1
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;;
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*)
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echo "$1: unknown tool" >&2
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exit 1
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;;
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esac
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