+MULTIARCHOBJS = $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_NOSIMD.o) \
+ $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_MMX.o) \
+ $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_SSE2.o) \
+ $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_AVX.o) \
+ $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_AVX2.o)
+
+GCC_GTEQ_490 := $(shell expr `gcc --version | awk '/gcc/{print $$NF;}' | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/'` \>= 40900)
+HARD_SWITCH_NOSIMD = -mno-mmx -mno-sse2 -mno-avx -mno-avx2
+HARD_SWITCH_MMX = -mmmx -mno-sse2 -mno-avx -mno-avx2
+HARD_SWITCH_SSE2 = -mmmx -msse2 -mno-avx -mno-avx2
+HARD_SWITCH_AVX = -mmmx -msse2 -mavx -mno-avx2
+HARD_SWITCH_AVX2 = -mmmx -msse2 -mavx -mavx2
+HARD_SWITCH_AVX512 = -mmmx -msse2 -mavx -mavx2 -mavx512f
+ifeq "$(GCC_GTEQ_490)" "1"
+ HARD_SWITCH_NOSIMD += -mno-avx512f
+ HARD_SWITCH_MMX += -mno-avx512f
+ HARD_SWITCH_SSE2 += -mno-avx512f
+ HARD_SWITCH_AVX += -mno-avx512f
+ HARD_SWITCH_AVX2 += -mno-avx512f
+ MULTIARCHOBJS += $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_AVX512.o)
+endif
+