43 lines
1.0 KiB
Makefile
43 lines
1.0 KiB
Makefile
PERF_OPT=$(if $(filter -Os,$(KBUILD_CFLAGS)),,y)
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cflags-y += $(call cc-option,-ffunction-sections,) $(call cc-option,-fdata-sections,)
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ifeq ($(PERF_OPT),y)
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cflags-y += -DPERF_OPT
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else
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PREFERRED_STACK_BOUNDARY = y
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endif
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ifeq ($(COMPILER),clang)
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ifeq ($(CONFIG_X86_IAMCU),)
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KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
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else
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CC_M32 = -m32 -mmcu
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KBUILD_CFLAGS += -mmcu
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KBUILD_CPPFLAGS += -mmcu
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endif
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biarch := $(call cc-option,-m32)
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dwarf2 := $(call cc-option,-gdwarf-2)
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KBUILD_AFLAGS += $(biarch)
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KBUILD_CFLAGS += $(biarch)
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KBUILD_CFLAGS += $(dwarf2)
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else
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cflags-$(PREFERRED_STACK_BOUNDARY) += $(call cc-option,-mpreferred-stack-boundary=2)
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endif
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cflags-$(CONFIG_LTO) += $(call cc-option,-flto,)
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ifneq ($(CONFIG_SSE_FP_MATH),y)
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cflags-y += -mno-sse
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endif
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include $(srctree)/arch/$(ARCH)/soc/$(SOC_PATH)/Makefile
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KBUILD_CXXFLAGS += $(cflags-y)
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KBUILD_CFLAGS += $(cflags-y)
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soc-cxxflags ?= $(soc-cflags)
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soc-aflags ?= $(soc-cflags)
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KBUILD_CFLAGS += $(soc-cflags)
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KBUILD_CXXFLAGS += $(soc-cxxflags)
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KBUILD_AFLAGS += $(soc-aflags)
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