# This file is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# As a special exception to the GNU General Public License, if you

# distribute this file as part of a program that contains a

# configuration script generated by Autoconf, you may include it under

# the same distribution terms that you use for the rest of that

# program. This Exception is an additional permission under section 7

# of the GNU General Public License, version 3 ("GPLv3").

# Configuration subroutine to validate and canonicalize a configuration type.

# Supply the specified configuration type as an argument.

# If it is invalid, we print an error message on stderr and exit with code 1.

# Otherwise, we print the canonical config type on stdout and succeed.

# This file is supposed to be the same for all GNU packages

# and recognize all the CPU types, system types and aliases

# that are meaningful with *any* GNU software.

# Each package is responsible for reporting which valid configurations

# it does not support. The user should be able to distinguish

# a failure to support a valid configuration from a meaningless

# configuration.

# The goal of this file is to map all the various variations of a given

# machine specification into a single specification in the form:

# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM

# or in some cases, the newer four-part form:

# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM

# It is wrong to echo any other type of specification.

Canonicalize a configuration name.

Operation modes:

-h, --help print this help, then exit

-t, --time-stamp print date of last modification, then exit

-v, --version print version number, then exit

Report bugs and patches to <config-patches@gnu.org>."

version="\

GNU config.sub ($timestamp)

This is free software; see the source for copying conditions. There is NO

warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."

help="

Try \`$me --help' for more information."

# Parse command line

while test $# -gt 0 ; do

case $1 in

--time-stamp | --time* | -t )

-- ) # Stop option processing

shift; break ;;

- ) # Use stdin as input.

break ;;

-* )

exit 1 ;;

*local*)

# First pass through any local machine types.

echo $1

* )

break ;;

esac

done

case $# in

0) echo "$me: missing argument$help" >&2

exit 1;;

1) ;;

*) echo "$me: too many arguments$help" >&2

exit 1;;

esac

# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).

# Here we must recognize all the valid KERNEL-OS combinations.

maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`

case $maybe_os in

nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \

linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \

knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \

kopensolaris*-gnu* | cloudabi*-eabi* | \

os=-$maybe_os

basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`

;;

android-linux)

os=-linux-android

basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown

;;

*)

basic_machine=`echo $1 | sed 's/-[^-]*$//'`

if [ $basic_machine != $1 ]

then os=`echo $1 | sed 's/.*-/-/'`

else os=; fi

;;

esac

### Let's recognize common machines as not being operating systems so

### that things like config.sub decstation-3100 work. We also

### recognize some manufacturers as not being operating systems, so we

### can provide default operating systems below.

case $os in

-sun*os*)

# Prevent following clause from handling this invalid input.

;;

-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \

-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \

-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \

-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\

-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \

-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \

os=

basic_machine=$1

;;

-bluegene*)

os=-cnk

-sim | -cisco | -oki | -wec | -winbond)

os=

basic_machine=$1

;;

-scout)

;;

-wrs)

basic_machine=$1

;;

-chorusos*)

os=-chorusos

basic_machine=$1

;;

-chorusrdb)

os=-chorusrdb

-hiux*)

os=-hiuxwe2

;;

-sco6)

os=-sco5v6

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco5)

os=-sco3.2v5

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco4)

os=-sco3.2v4

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco3.2.[4-9]*)

os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco3.2v[4-9]*)

# Don't forget version if it is 3.2v4 or newer.

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco5v6*)

# Don't forget version if it is 3.2v4 or newer.

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-sco*)

os=-sco3.2v2

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-udk*)

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-isc)

os=-isc2.2

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-clix*)

basic_machine=clipper-intergraph

;;

-isc*)

basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`

;;

-lynx*178)

os=-lynxos178

;;

-lynx*5)

os=-lynxos5

;;

-lynx*)

os=-lynxos

;;

-ptx*)

basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`

;;

-windowsnt*)

os=`echo $os | sed -e 's/windowsnt/winnt/'`

;;

-psos*)

os=-psos

;;

-mint | -mint[0-9]*)

basic_machine=m68k-atari

os=-mint

;;

esac

# Decode aliases for certain CPU-COMPANY combinations.

case $basic_machine in

# Recognize the basic CPU types without company name.

# Some are omitted here because they have special meanings below.

1750a | 580 \

| a29k \

| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \

| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \

| arc | arceb \

| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \

| avr | avr32 \

| ba \

| be32 | be64 \

| e2k | epiphany \

| fido | fr30 | frv | ft32 \

| mips | mipsbe | mipseb | mipsel | mipsle \

| mips16 \

| mips64 | mips64el \

| mips64r5900 | mips64r5900el \

| mips64vr | mips64vrel \

| mips64vr4100 | mips64vr4100el \

| mips64vr4300 | mips64vr4300el \

| mips64vr5000 | mips64vr5000el \

| mipsisa32 | mipsisa32el \

| mipsisa32r2 | mipsisa32r2el \

| mipsisa64sb1 | mipsisa64sb1el \

| mipsisa64sr71k | mipsisa64sr71kel \

| mipstx39 | mipstx39el \

| mn10200 | mn10300 \

| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \

| sparcv8 | sparcv9 | sparcv9b | sparcv9v \

| spu \

| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \

| ubicom32 \

| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \

| visium \

| wasm32 \

basic_machine=$basic_machine-unknown

;;

c54x)

basic_machine=tic54x-unknown

;;

c55x)

basic_machine=tic55x-unknown

;;

c6x)

basic_machine=tic6x-unknown

;;

leon|leon[3-9])

basic_machine=sparc-$basic_machine

;;

m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip)

basic_machine=$basic_machine-unknown

os=-none

;;

ms1)

basic_machine=mt-unknown

;;

strongarm | thumb | xscale)

basic_machine=arm-unknown

;;

xgate)

basic_machine=$basic_machine-unknown

os=-none

;;

xscaleeb)

basic_machine=armeb-unknown

;;

xscaleel)

basic_machine=armel-unknown

;;

# We use `pc' rather than `unknown'

# because (1) that's what they normally are, and

# (2) the word "unknown" tends to confuse beginning users.

basic_machine=$basic_machine-pc

;;

nacl64*)

basic_machine=x86_64-pc

os=-nacl

;;

nacl*)

basic_machine=i686-pc

os=-nacl

;;

pnacl*)

# le32-unknown-pnacl comes from http://www.chromium.org/nativeclient/pnacl/stability-of-the-pnacl-bitcode-abi

basic_machine=le32-unknown

os=-pnacl

;;

# Object if more than one company name word.

*-*-*)

echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2

exit 1

;;

# Recognize the basic CPU types with company name.

580-* \

| a29k-* \

| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \

| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \

| h8300-* | h8500-* \

| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \

| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \

| microblaze-* | microblazeel-* \

| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \

| mips16-* \

| mips64-* | mips64el-* \

| mips64r5900-* | mips64r5900el-* \

| mips64vr-* | mips64vrel-* \

| mips64vr4100-* | mips64vr4100el-* \

| mips64vr4300-* | mips64vr4300el-* \

| mips64vr5000-* | mips64vr5000el-* \

| mipsisa32-* | mipsisa32el-* \

| mipsisa32r2-* | mipsisa32r2el-* \

| mipsisa64sb1-* | mipsisa64sb1el-* \

| mipsisa64sr71k-* | mipsisa64sr71kel-* \

| mmix-* \

| mt-* \

| orion-* \

| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \

| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \

| sparclite-* \

| tahoe-* \

| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \

| tile*-* \

| ubicom32-* \

| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \

| vax-* \

| visium-* \

| wasm32-* \

# Recognize the basic CPU types without company name, with glob match.

xtensa*)

basic_machine=$basic_machine-unknown

;;

# Recognize the various machine names and aliases which stand

# for a CPU type and a company and sometimes even an OS.

386bsd)

basic_machine=i386-unknown

os=-bsd

;;

3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)

basic_machine=m68000-att

;;

3b*)

basic_machine=we32k-att

;;

a29khif)

basic_machine=a29k-amd

os=-udi

;;

basic_machine=abacus-unknown

;;

adobe68k)

basic_machine=m68010-adobe

os=-scout

;;

alliant | fx80)

basic_machine=fx80-alliant

;;

altos | altos3068)

basic_machine=m68k-altos

;;

am29k)

basic_machine=a29k-none

os=-bsd

;;

amd64)

basic_machine=x86_64-pc

;;

amd64-*)

basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`

;;

amdahl)

basic_machine=580-amdahl

os=-sysv

;;

amiga | amiga-*)

;;

amigaos | amigados)

os=-amigaos

;;

amigaunix | amix)

os=-sysv4

;;

apollo68)

basic_machine=m68k-apollo

os=-sysv

;;

apollo68bsd)

basic_machine=m68k-apollo

os=-bsd

;;

aros)

basic_machine=i386-pc

os=-aros

;;

asmjs)

basic_machine=asmjs-unknown

;;

aux)

basic_machine=m68k-apple

os=-aux

;;

balance)

basic_machine=ns32k-sequent

os=-dynix

;;

blackfin)

basic_machine=bfin-unknown

os=-linux

;;

blackfin-*)

basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`

os=-linux

;;

bluegene*)

basic_machine=powerpc-ibm

os=-cnk

;;

c54x-*)

basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`

;;

c55x-*)

basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`

;;

c6x-*)

basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`

;;

c90)

basic_machine=c90-cray

os=-unicos

;;

basic_machine=arm-unknown

os=-cegcc

;;

convex-c1)

basic_machine=c1-convex

os=-bsd

;;

convex-c2)

basic_machine=c2-convex

os=-bsd

;;

convex-c32)

basic_machine=c32-convex

os=-bsd

;;

convex-c34)

basic_machine=c34-convex

os=-bsd

;;

convex-c38)

basic_machine=c38-convex

os=-bsd

;;

cray | j90)

basic_machine=j90-cray

os=-unicos

;;

craynv)

basic_machine=craynv-cray

os=-unicosmp

;;