Makefile.arch 1.01 KB
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# SPDX-License-Identifier: GPL-2.0
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HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
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                                  -e s/sun4u/sparc/ -e s/sparc64/sparc/ \
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                                  -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \
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                                  -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                  -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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ifndef ARCH
ARCH := $(HOSTARCH)
endif
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SRCARCH := $(ARCH)

# Additional ARCH settings for x86
ifeq ($(ARCH),i386)
        SRCARCH := x86
endif
ifeq ($(ARCH),x86_64)
        SRCARCH := x86
endif

# Additional ARCH settings for sparc
ifeq ($(ARCH),sparc32)
       SRCARCH := sparc
endif
ifeq ($(ARCH),sparc64)
       SRCARCH := sparc
endif

# Additional ARCH settings for sh
ifeq ($(ARCH),sh64)
       SRCARCH := sh
endif

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LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
ifeq ($(LP64), 1)
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  IS_64_BIT := 1
else
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  IS_64_BIT := 0
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endif