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util/xcompile: Add target architecture to CPPFLAGS

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In order to preprocess linker scripts the target architecture needs to
be specified. With clang this needs to be set via a cli argument.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I4340681e30059d6f18a49a49937668cd3dd39ce1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75031
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Arthur Heymans
2023-05-08 16:28:12 +02:00
committed by Martin L Roth
parent 44adf4d22f
commit d308243bc1
3 changed files with 7 additions and 23 deletions
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8
util/xcompile/xcompile
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@@ -262,6 +262,9 @@ CLANG_CFLAGS_${TARCH}+=-Wno-shift-overflow -Wno-address-of-packed-member -Wno-in
CLANG_CFLAGS_${TARCH}+=-fbracket-depth=2048 -mllvm -asm-macro-max-nesting-depth=1000
CLANG_COMPILER_RT_${TARCH}:=${CC_RT_CLANG}
CLANG_COMPILER_RT_FLAGS_${TARCH}:=${CC_RT_EXTRA_CLANG}
# Leak the target arch into the preprocessor flags with clang.
# This is needed to preprocess linker scripts
CLANG_CPPFLAGS_${TARCH}:=${CPPFLAGS_CLANG}
# GCC/Clang Common
ifeq (\$(CONFIG_COMPILER_GCC)\$(CONFIG_LP_COMPILER_GCC),y)
@@ -272,6 +275,7 @@ ifeq (\$(CONFIG_COMPILER_GCC)\$(CONFIG_LP_COMPILER_GCC),y)
else
CC_${TARCH}:=\$(CLANG_CC_${TARCH})
CFLAGS_${TARCH}:=\$(CLANG_CFLAGS_${TARCH})
CPPFLAGS_${TARCH}:=\$(CLANG_CPPFLAGS_${TARCH})
COMPILER_RT_${TARCH}:=\$(CLANG_COMPILER_RT_${TARCH})
COMPILER_RT_FLAGS_${TARCH}:=\$(CLANG_COMPILER_RT_FLAGS_${TARCH})
endif
@@ -471,7 +475,9 @@ test_architecture() {
# but that's more of a clang limitation. Let's be optimistic
# that this will change in the future.
CLANG="${clang_prefix}clang"
CFLAGS_CLANG="-target ${clang_arch}-${TABI} $CFLAGS_CLANG"
CLANG_TARGET="-target ${clang_arch}-${TABI}"
CFLAGS_CLANG="$CLANG_TARGET $CFLAGS_CLANG"
CPPFLAGS_CLANG="$CLANG_TARGET $CPPFLAGS_CLANG"
fi
}