45 lines
1.2 KiB
Makefile
45 lines
1.2 KiB
Makefile
# Clang flags for arm arch, target or host.
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CLANG_CONFIG_arm_EXTRA_ASFLAGS :=
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CLANG_CONFIG_arm_EXTRA_CFLAGS :=
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ifneq (,$(filter krait,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
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# Android's clang support's krait as a CPU whereas GCC doesn't. Specify
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# -mcpu here rather than the more normal core/combo/arch/arm/armv7-a-neon.mk.
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CLANG_CONFIG_arm_EXTRA_CFLAGS += -mcpu=krait
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endif
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ifeq ($(HOST_OS),darwin)
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# Darwin is really bad at dealing with idiv/sdiv. Don't use krait on Darwin.
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CLANG_CONFIG_arm_EXTRA_CFLAGS += -mcpu=cortex-a9
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endif
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CLANG_CONFIG_arm_EXTRA_CPPFLAGS :=
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CLANG_CONFIG_arm_EXTRA_LDFLAGS :=
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# Include common unknown flags
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CLANG_CONFIG_arm_UNKNOWN_CFLAGS := \
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$(CLANG_CONFIG_UNKNOWN_CFLAGS) \
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-mthumb-interwork \
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-fgcse-after-reload \
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-frerun-cse-after-loop \
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-frename-registers \
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-fno-align-jumps \
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-fno-builtin-sin \
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-fno-caller-saves \
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-fno-early-inlining \
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-fno-move-loop-invariants \
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-fno-partial-inlining \
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-fno-strict-volatile-bitfields \
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-fno-tree-copy-prop \
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-fno-tree-loop-optimize \
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-Wa,--noexecstack
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define subst-clang-incompatible-arm-flags
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$(subst -march=armv5te,-march=armv5t,\
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$(subst -march=armv5e,-march=armv5,\
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$(1)))
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endef
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