| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ |
| 3 | -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ |
| 4 | -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ |
| 5 | -e s/s390x/s390/ -e s/parisc64/parisc/ \ |
| 6 | -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ |
| 7 | -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) |
| 8 | |
| 9 | ifndef ARCH |
| 10 | ARCH := $(HOSTARCH) |
| 11 | endif |
| 12 | |
| 13 | SRCARCH := $(ARCH) |
| 14 | |
| 15 | # Additional ARCH settings for x86 |
| 16 | ifeq ($(ARCH),i386) |
| 17 | SRCARCH := x86 |
| 18 | endif |
| 19 | ifeq ($(ARCH),x86_64) |
| 20 | SRCARCH := x86 |
| 21 | endif |
| 22 | |
| 23 | # Additional ARCH settings for sparc |
| 24 | ifeq ($(ARCH),sparc32) |
| 25 | SRCARCH := sparc |
| 26 | endif |
| 27 | ifeq ($(ARCH),sparc64) |
| 28 | SRCARCH := sparc |
| 29 | endif |
| 30 | |
| 31 | # Additional ARCH settings for sh |
| 32 | ifeq ($(ARCH),sh64) |
| 33 | SRCARCH := sh |
| 34 | endif |
| 35 | |
| 36 | LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
| 37 | ifeq ($(LP64), 1) |
| 38 | IS_64_BIT := 1 |
| 39 | else |
| 40 | IS_64_BIT := 0 |
| 41 | endif |