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build: fix building u-boot.lds with Clang as a cross-compiler

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Make sure to pass Clang flags to the KBUILD_CPPFLAGS as well, as this
variable is used for flags during compiling for target

Skipping this leads to Clang being invoked with args for target, but
without target indication, thus defaulting to host arch:

  LDS     u-boot.lds
clang: error: ... '-mabi=' for target 'x86_64-suse-linux'
clang: error: ... '-mno-thumb' for target 'x86_64-suse-linux'
clang: error: ... '-mno-unaligned-access' for target 'x86_64-suse-linux'
clang: error: ... '-ffixed-r9' for target 'x86_64-suse-linux'
clang: error: ... '-mno-movt' for target 'x86_64-suse-linux'
make: *** [Makefile:2345: u-boot.lds] Fehler 1

Signed-off-by: Dmitrii Sharshakov <d3dx12.xx@gmail.com>
This commit is contained in:
Dmitrii Sharshakov 2025-11-01 10:39:59 +01:00 committed by Tom Rini
parent e8e3b38def
commit f7d177395d
1 changed files with 1 additions and 0 deletions
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Makefile
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@ -608,6 +608,7 @@ CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN)
endif
CLANG_FLAGS += -no-integrated-as
KBUILD_CFLAGS += $(CLANG_FLAGS)
KBUILD_CPPFLAGS += $(CLANG_FLAGS)
KBUILD_AFLAGS += $(CLANG_FLAGS)
export CLANG_FLAGS
endif