GNU Linux-libre 4.14.254-gnu1
[releases.git] / tools / scripts / Makefile.arch
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                                   -e s/tile.*/tile/ )
9
10 ifndef ARCH
11 ARCH := $(HOSTARCH)
12 endif
13
14 SRCARCH := $(ARCH)
15
16 # Additional ARCH settings for x86
17 ifeq ($(ARCH),i386)
18         SRCARCH := x86
19 endif
20 ifeq ($(ARCH),x86_64)
21         SRCARCH := x86
22 endif
23
24 # Additional ARCH settings for sparc
25 ifeq ($(ARCH),sparc32)
26        SRCARCH := sparc
27 endif
28 ifeq ($(ARCH),sparc64)
29        SRCARCH := sparc
30 endif
31
32 # Additional ARCH settings for sh
33 ifeq ($(ARCH),sh64)
34        SRCARCH := sh
35 endif
36
37 # Additional ARCH settings for tile
38 ifeq ($(ARCH),tilepro)
39        SRCARCH := tile
40 endif
41 ifeq ($(ARCH),tilegx)
42        SRCARCH := tile
43 endif
44
45 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
46 ifeq ($(LP64), 1)
47   IS_64_BIT := 1
48 else
49   IS_64_BIT := 0
50 endif