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