mirror of https://gitee.com/openkylin/linux.git
32 lines
946 B
Makefile
32 lines
946 B
Makefile
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uname_M := $(shell uname -m 2>/dev/null || echo not)
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ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
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-e s/arm.*/arm/ -e s/sa110/arm/ \
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-e s/s390x/s390/ -e s/parisc64/parisc/ \
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-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
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-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
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-e s/tile.*/tile/ )
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# Additional ARCH settings for x86
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ifeq ($(ARCH),i386)
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override ARCH := x86
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endif
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ifeq ($(ARCH),x86_64)
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override ARCH := x86
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IS_X86_64 := 0
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ifeq (, $(findstring m32,$(CFLAGS)))
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IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
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RAW_ARCH := x86_64
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endif
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endif
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ifeq (${IS_X86_64}, 1)
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IS_64_BIT := 1
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else ifeq ($(ARCH),x86)
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IS_64_BIT := 0
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else
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IS_64_BIT := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
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endif
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