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tools/build: Reject unexpected values for LLVM=

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Since commit 502678b88c ("kbuild: Reject unexpected values for LLVM=")
the regular kbuild rejects unexpected values of LLVM=1 instead of
silently treating them as LLVM=1.

Align the tools build to kbuild.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260226-kbuild-llvm-followup-v1-2-201cc2a492d9@weissschuh.net
Signed-off-by: Nicolas Schier <nsc@kernel.org>
This commit is contained in:
Thomas Weißschuh
2026-02-26 22:23:58 +01:00
committed by Nicolas Schier
parent 8830b2e590
commit 7239ae5331
1 changed files with 2 additions and 0 deletions
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2
tools/scripts/Makefile.include
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@@ -56,6 +56,8 @@ ifneq ($(filter %/,$(LLVM)),)
LLVM_PREFIX := $(LLVM)
else ifneq ($(filter -%,$(LLVM)),)
LLVM_SUFFIX := $(LLVM)
else ifneq ($(LLVM),1)
$(error Invalid value for LLVM, see Documentation/kbuild/llvm.rst)
endif
$(call allow-override,CC,$(LLVM_PREFIX)clang$(LLVM_SUFFIX))