1HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ 2 -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ 3 -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ 4 -e s/s390x/s390/ -e s/parisc64/parisc/ \ 5 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ 6 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ 7 -e s/tile.*/tile/ ) 8 9ifndef ARCH 10ARCH := $(HOSTARCH) 11endif 12 13SRCARCH := $(ARCH) 14 15# Additional ARCH settings for x86 16ifeq ($(ARCH),i386) 17 SRCARCH := x86 18endif 19ifeq ($(ARCH),x86_64) 20 SRCARCH := x86 21endif 22 23# Additional ARCH settings for sparc 24ifeq ($(ARCH),sparc32) 25 SRCARCH := sparc 26endif 27ifeq ($(ARCH),sparc64) 28 SRCARCH := sparc 29endif 30 31# Additional ARCH settings for sh 32ifeq ($(ARCH),sh64) 33 SRCARCH := sh 34endif 35 36# Additional ARCH settings for tile 37ifeq ($(ARCH),tilepro) 38 SRCARCH := tile 39endif 40ifeq ($(ARCH),tilegx) 41 SRCARCH := tile 42endif 43 44LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) 45ifeq ($(LP64), 1) 46 IS_64_BIT := 1 47else 48 IS_64_BIT := 0 49endif 50