| 1 | ifndef ARCH |
| 2 | ARCH := $(shell uname -m 2>/dev/null || echo not) |
| 3 | endif |
| 4 | |
| 5 | ARCH := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ |
| 6 | -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ |
| 7 | -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ |
| 8 | -e s/s390x/s390/ -e s/parisc64/parisc/ \ |
| 9 | -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ |
| 10 | -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ |
| 11 | -e s/tile.*/tile/ ) |
| 12 | |
| 13 | LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
| 14 | ifeq ($(LP64), 1) |
| 15 | IS_64_BIT := 1 |
| 16 | else |
| 17 | IS_64_BIT := 0 |
| 18 | endif |