# SPDX-License-Identifier: GPL-2.0

  HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \

                                    -e s/sun4u/sparc/ -e s/sparc64/sparc/ \

                                    -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \

                                    -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                    -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \

                                    -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
                                    -e s/tile.*/tile/ )

  ifndef ARCH
  ARCH := $(HOSTARCH)
  endif

  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
  
  # Additional ARCH settings for tile
  ifeq ($(ARCH),tilepro)
         SRCARCH := tile
  endif
  ifeq ($(ARCH),tilegx)
         SRCARCH := tile
  endif

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

    IS_64_BIT := 1

  else

    IS_64_BIT := 0

  endif