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authorMasahiro Yamada <masahiroy@kernel.org>2021-02-16 06:10:04 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2021-02-22 02:22:04 +0300
commit02aff85922043cf175ebbe5fc3430acfeaeb8393 (patch)
treecce90bcdc207e2cbcf0afdbe00aff31ea43ed43a /MAINTAINERS
parent05f6bbf2d714309607d5533f0265a95d037610b4 (diff)
downloadlinux-02aff85922043cf175ebbe5fc3430acfeaeb8393.tar.xz
kbuild: check the minimum linker version in Kconfig
Unify the two scripts/ld-version.sh and scripts/lld-version.sh, and check the minimum linker version like scripts/cc-version.sh did. I tested this script for some corner cases reported in the past: - GNU ld version 2.25-15.fc23 as reported by commit 8083013fc320 ("ld-version: Fix it on Fedora") - GNU ld (GNU Binutils) 2.20.1.20100303 as reported by commit 0d61ed17dd30 ("ld-version: Drop the 4th and 5th version components") This script show an error message if the linker is too old: $ make LD=ld.lld-9 SYNC include/config/auto.conf *** *** Linker is too old. *** Your LLD version: 9.0.1 *** Minimum LLD version: 10.0.1 *** scripts/Kconfig.include:50: Sorry, this linker is not supported. make[2]: *** [scripts/kconfig/Makefile:71: syncconfig] Error 1 make[1]: *** [Makefile:600: syncconfig] Error 2 make: *** [Makefile:708: include/config/auto.conf] Error 2 I also moved the check for gold to this script, so gold is still rejected: $ make LD=gold SYNC include/config/auto.conf gold linker is not supported as it is not capable of linking the kernel proper. scripts/Kconfig.include:50: Sorry, this linker is not supported. make[2]: *** [scripts/kconfig/Makefile:71: syncconfig] Error 1 make[1]: *** [Makefile:600: syncconfig] Error 2 make: *** [Makefile:708: include/config/auto.conf] Error 2 Thanks to David Laight for suggesting shell script improvements. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org>
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diff --git a/MAINTAINERS b/MAINTAINERS
index df820969be1f..6b82ad6990b7 100644
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@@ -4314,7 +4314,6 @@ C: irc://chat.freenode.net/clangbuiltlinux
F: Documentation/kbuild/llvm.rst
F: include/linux/compiler-clang.h
F: scripts/clang-tools/
-F: scripts/lld-version.sh
K: \b(?i:clang|llvm)\b
CLEANCACHE API