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arch: arm: fix AArch64 builds with Clang 21+

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Clang is strict with respect to unknown options.

Therefore, only enable AArch32-specific options when CONFIG_ARM64
is not set.

Signed-off-by: Dmitrii Sharshakov <d3dx12.xx@gmail.com>
This commit is contained in:
Dmitrii Sharshakov
2025-11-08 21:48:47 +01:00
committed by Tom Rini
parent 91bb236194
commit 2ed758fa7e
1 changed files with 6 additions and 5 deletions
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11
arch/arm/config.mk
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@@ -30,18 +30,19 @@ PLATFORM_RELFLAGS += $(call cc-option,-mgeneral-regs-only)
endif
# LLVM support
LLVM_RELFLAGS := $(call cc-option,-mllvm,) \
$(call cc-option,-mno-movt,)
PLATFORM_RELFLAGS += $(LLVM_RELFLAGS)
LLVM_RELFLAGS := $(call cc-option,-mllvm,)
PLATFORM_CPPFLAGS += -D__ARM__
ifdef CONFIG_ARM64
PLATFORM_ELFFLAGS += -B aarch64 -O elf64-littleaarch64
else
PLATFORM_ELFFLAGS += -B arm -O elf32-littlearm
# no-movt is only available when targeting AArch32
LLVM_RELFLAGS += $(call cc-option,-mno-movt,)
endif
PLATFORM_RELFLAGS += $(LLVM_RELFLAGS)
# Choose between ARM/Thumb instruction sets
ifeq ($(CONFIG_$(PHASE_)SYS_THUMB_BUILD),y)
AFLAGS_IMPLICIT_IT := $(call as-option,-Wa$(comma)-mimplicit-it=always)
@@ -50,7 +51,7 @@ PF_CPPFLAGS_ARM := $(AFLAGS_IMPLICIT_IT) \
$(call cc-option,-marm,)\
$(call cc-option,-mno-thumb-interwork,)\
)
else
else ifneq ($(CONFIG_ARM64),y)
PF_CPPFLAGS_ARM := $(call cc-option,-marm,) \
$(call cc-option,-mno-thumb-interwork,)
endif