#! /bin/sh
# Configuration validation subroutine script.
-# Copyright 2021 Thomas E. Dickey
-# Copyright 1992-2021 Free Software Foundation, Inc.
+# Copyright 1992-2023 Free Software Foundation, Inc.
-timestamp='2021-03-10'
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2023-12-02'
# 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
+# 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
# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
# It is wrong to echo any other type of specification.
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX. However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
+
me=`echo "$0" | sed -e 's,.*/,,'`
usage="\
version="\
GNU config.sub ($timestamp)
-Copyright 1992-2021 Free Software Foundation, Inc.
+Copyright 1992-2023 Free Software Foundation, Inc.
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 \`$me --help' for more information."
+Try '$me --help' for more information."
# Parse command line
while test $# -gt 0 ; do
# Split fields of configuration type
# shellcheck disable=SC2162
+saved_IFS=$IFS
IFS="-" read field1 field2 field3 field4 <<EOF
$1
EOF
+IFS=$saved_IFS
# Separate into logical components for further validation
case $1 in
*-*-*-*-*)
- echo Invalid configuration \`"$1"\': more than four components >&2
+ echo "Invalid configuration '$1': more than four components" >&2
exit 1
;;
*-*-*-*)
nto-qnx* | linux-* | uclinux-uclibc* \
| uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
| netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
- | storm-chaos* | os2-emx* | rtmk-nova*)
+ | storm-chaos* | os2-emx* | rtmk-nova* | managarm-* \
+ | windows-* )
basic_machine=$field1
basic_os=$maybe_os
;;
basic_machine=$field1
basic_os=$field2
;;
+ zephyr*)
+ basic_machine=$field1-unknown
+ basic_os=$field2
+ ;;
# Manufacturers
dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
| att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
*-*)
# shellcheck disable=SC2162
+ saved_IFS=$IFS
IFS="-" read cpu vendor <<EOF
$basic_machine
EOF
+ IFS=$saved_IFS
;;
- # We use `pc' rather than `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.
i*86 | x86_64)
;;
# Here we normalize CPU types with a missing or matching vendor
+ armh-unknown | armh-alt)
+ cpu=armv7l
+ vendor=alt
+ basic_os=${basic_os:-linux-gnueabihf}
+ ;;
dpx20-unknown | dpx20-bull)
cpu=rs6000
vendor=bull
pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
cpu=i586
;;
- pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+ pentiumpro-* | p6-* | 6x86-* | athlon-* | athlon_*-*)
cpu=i686
;;
pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
xscale-* | xscalee[bl]-*)
cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
;;
- arm64-*)
+ arm64-* | aarch64le-*)
cpu=aarch64
;;
case $cpu in
1750a | 580 \
| a29k \
- | aarch64 | aarch64_be \
+ | aarch64 | aarch64_be | aarch64c | arm64ec \
| abacus \
| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
| alphapca5[67] | alpha64pca5[67] \
| am33_2.0 \
| amdgcn \
- | arc | arceb \
+ | arc | arceb | arc32 | arc64 \
| arm | arm[lb]e | arme[lb] | armv* \
| avr | avr32 \
| asmjs \
| d10v | d30v | dlx | dsp16xx \
| e2k | elxsi | epiphany \
| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+ | javascript \
| h8300 | h8500 \
| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
| hexagon \
| i370 | i*86 | i860 | i960 | ia16 | ia64 \
| ip2k | iq2000 \
| k1om \
+ | kvx \
| le32 | le64 \
| lm32 \
- | loongarch32 | loongarch64 | loongarchx32 \
+ | loongarch32 | loongarch64 \
| m32c | m32r | m32rle \
| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
| m88110 | m88k | maxq | mb | mcore | mep | metag \
| microblaze | microblazeel \
- | mips | mipsbe | mipseb | mipsel | mipsle \
- | mips16 \
- | mips64 | mips64eb | mips64el \
- | mips64octeon | mips64octeonel \
- | mips64orion | mips64orionel \
- | mips64r5900 | mips64r5900el \
- | mips64vr | mips64vrel \
- | mips64vr4100 | mips64vr4100el \
- | mips64vr4300 | mips64vr4300el \
- | mips64vr5000 | mips64vr5000el \
- | mips64vr5900 | mips64vr5900el \
- | mipsisa32 | mipsisa32el \
- | mipsisa32r2 | mipsisa32r2el \
- | mipsisa32r6 | mipsisa32r6el \
- | mipsisa64 | mipsisa64el \
- | mipsisa64r2 | mipsisa64r2el \
- | mipsisa64r6 | mipsisa64r6el \
- | mipsisa64sb1 | mipsisa64sb1el \
- | mipsisa64sr71k | mipsisa64sr71kel \
- | mipsr5900 | mipsr5900el \
- | mipstx39 | mipstx39el \
+ | mips* \
| mmix \
| mn10200 | mn10300 \
| moxie \
| mt \
| msp430 \
+ | nanomips* \
| nds32 | nds32le | nds32be \
| nfp \
| nios | nios2 | nios2eb | nios2el \
| ubicom32 \
| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
| vax \
+ | vc4 \
| visium \
| w65 \
| wasm32 | wasm64 \
;;
*)
- echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
+ echo "Invalid configuration '$1': machine '$cpu-$vendor' not recognized" 1>&2
exit 1
;;
esac
# Decode manufacturer-specific aliases for certain operating systems.
-if test x$basic_os != x
+if test x"$basic_os" != x
then
-# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
+# First recognize some ad-hoc cases, or perhaps split kernel-os, or else just
# set os.
+obj=
case $basic_os in
gnu/linux*)
kernel=linux
- os=`echo $basic_os | sed -e 's|gnu/linux|gnu|'`
+ os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'`
;;
os2-emx)
kernel=os2
- os=`echo $basic_os | sed -e 's|os2-emx|emx|'`
+ os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'`
;;
nto-qnx*)
kernel=nto
- os=`echo $basic_os | sed -e 's|nto-qnx|qnx|'`
+ os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'`
;;
*-*)
# shellcheck disable=SC2162
+ saved_IFS=$IFS
IFS="-" read kernel os <<EOF
$basic_os
EOF
+ IFS=$saved_IFS
;;
# Default OS when just kernel was specified
nto*)
kernel=nto
- os=`echo $basic_os | sed -e 's|nto|qnx|'`
+ os=`echo "$basic_os" | sed -e 's|nto|qnx|'`
;;
linux*)
kernel=linux
- os=`echo $basic_os | sed -e 's|linux|gnu|'`
+ os=`echo "$basic_os" | sed -e 's|linux|gnu|'`
+ ;;
+ managarm*)
+ kernel=managarm
+ os=`echo "$basic_os" | sed -e 's|managarm|mlibc|'`
;;
*)
kernel=
os=cnk
;;
solaris1 | solaris1.*)
- os=`echo $os | sed -e 's|solaris1|sunos4|'`
+ os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
;;
solaris)
os=solaris2
os=sco3.2v4
;;
sco3.2.[4-9]*)
- os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+ os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
;;
sco*v* | scout)
# Don't match below
;;
# Preserve the version number of sinix5.
sinix5.*)
- os=`echo $os | sed -e 's|sinix|sysv|'`
+ os=`echo "$os" | sed -e 's|sinix|sysv|'`
;;
sinix*)
os=sysv4
os=eabi
;;
*)
- os=elf
+ os=
+ obj=elf
;;
esac
;;
+ aout* | coff* | elf* | pe*)
+ # These are machine code file formats, not OSes
+ obj=$os
+ os=
+ ;;
*)
# No normalization, but not necessarily accepted, that comes below.
;;
# system, and we'll never get to this point.
kernel=
+obj=
case $cpu-$vendor in
score-*)
- os=elf
+ os=
+ obj=elf
;;
spu-*)
- os=elf
+ os=
+ obj=elf
;;
*-acorn)
os=riscix1.2
os=gnu
;;
arm*-semi)
- os=aout
+ os=
+ obj=aout
;;
c4x-* | tic4x-*)
- os=coff
+ os=
+ obj=coff
;;
c8051-*)
- os=elf
+ os=
+ obj=elf
;;
clipper-intergraph)
os=clix
;;
hexagon-*)
- os=elf
+ os=
+ obj=elf
;;
tic54x-*)
- os=coff
+ os=
+ obj=coff
;;
tic55x-*)
- os=coff
+ os=
+ obj=coff
;;
tic6x-*)
- os=coff
+ os=
+ obj=coff
;;
# This must come before the *-dec entry.
pdp10-*)
os=sunos3
;;
m68*-cisco)
- os=aout
+ os=
+ obj=aout
;;
mep-*)
- os=elf
+ os=
+ obj=elf
;;
mips*-cisco)
- os=elf
+ os=
+ obj=elf
;;
- mips*-*)
- os=elf
+ mips*-*|nanomips*-*)
+ os=
+ obj=elf
;;
or32-*)
- os=coff
+ os=
+ obj=coff
;;
*-tti) # must be before sparc entry or we get the wrong os.
os=sysv3
os=sunos4.1.1
;;
pru-*)
- os=elf
+ os=
+ obj=elf
;;
*-be)
os=beos
os=uxpv
;;
*-rom68k)
- os=coff
+ os=
+ obj=coff
;;
*-*bug)
- os=coff
+ os=
+ obj=coff
;;
*-apple)
os=macos
fi
-# Now, validate our (potentially fixed-up) OS.
+# Now, validate our (potentially fixed-up) individual pieces (OS, OBJ).
+
case $os in
# Sometimes we do "kernel-libc", so those need to count as OSes.
- musl* | newlib* | uclibc*)
+ llvm* | musl* | newlib* | relibc* | uclibc*)
;;
# Likewise for "kernel-abi"
eabi* | gnueabi*)
# VxWorks passes extra cpu info in the 4th filed.
simlinux | simwindows | spe)
;;
+ # See `case $cpu-$os` validation below
+ ghcjs)
+ ;;
# Now accept the basic system types.
# The portable systems comes first.
# Each alternative MUST end in a * to match a version number.
| hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
| sym* | plan9* | psp* | sim* | xray* | os68k* | v88r* \
| hiux* | abug | nacl* | netware* | windows* \
- | os9* | macos* | osx* | ios* \
+ | os9* | macos* | osx* | ios* | tvos* | watchos* \
| mpw* | magic* | mmixware* | mon960* | lnews* \
| amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
| aos* | aros* | cloudabi* | sortix* | twizzler* \
| nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
| clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
| mirbsd* | netbsd* | dicos* | openedition* | ose* \
- | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
+ | bitrig* | openbsd* | secbsd* | solidbsd* | libertybsd* | os108* \
| ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
- | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
- | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
+ | bosx* | nextstep* | cxux* | oabi* \
+ | ptx* | ecoff* | winnt* | domain* | vsta* \
| udi* | lites* | ieee* | go32* | aux* | hcos* \
| chorusrdb* | cegcc* | glidix* | serenity* \
- | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
+ | cygwin* | msys* | moss* | proelf* | rtems* \
| midipix* | mingw32* | mingw64* | mint* \
| uxpv* | beos* | mpeix* | udk* | moxiebox* \
| interix* | uwin* | mks* | rhapsody* | darwin* \
| skyos* | haiku* | rdos* | toppers* | drops* | es* \
| onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
| midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
- | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
+ | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+ | fiwix* | mlibc* | cos* | mbr* | ironclad* )
;;
# This one is extra strict with allowed versions
sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
# Don't forget version if it is 3.2v4 or newer.
;;
+ # This refers to builds using the UEFI calling convention
+ # (which depends on the architecture) and PE file format.
+ # Note that this is both a different calling convention and
+ # different file format than that of GNU-EFI
+ # (x86_64-w64-mingw32).
+ uefi)
+ ;;
none)
;;
+ kernel* | msvc* )
+ # Restricted further below
+ ;;
+ '')
+ if test x"$obj" = x
+ then
+ echo "Invalid configuration '$1': Blank OS only allowed with explicit machine code file format" 1>&2
+ fi
+ ;;
+ *)
+ echo "Invalid configuration '$1': OS '$os' not recognized" 1>&2
+ exit 1
+ ;;
+esac
+
+case $obj in
+ aout* | coff* | elf* | pe*)
+ ;;
+ '')
+ # empty is fine
+ ;;
*)
- echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
+ echo "Invalid configuration '$1': Machine code format '$obj' not recognized" 1>&2
+ exit 1
+ ;;
+esac
+
+# Here we handle the constraint that a (synthetic) cpu and os are
+# valid only in combination with each other and nowhere else.
+case $cpu-$os in
+ # The "javascript-unknown-ghcjs" triple is used by GHC; we
+ # accept it here in order to tolerate that, but reject any
+ # variations.
+ javascript-ghcjs)
+ ;;
+ javascript-* | *-ghcjs)
+ echo "Invalid configuration '$1': cpu '$cpu' is not valid with os '$os$obj'" 1>&2
exit 1
;;
esac
# As a final step for OS-related things, validate the OS-kernel combination
# (given a valid OS), if there is a kernel.
-case $kernel-$os in
- linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* )
+case $kernel-$os-$obj in
+ linux-gnu*- | linux-android*- | linux-dietlibc*- | linux-llvm*- \
+ | linux-mlibc*- | linux-musl*- | linux-newlib*- \
+ | linux-relibc*- | linux-uclibc*- )
+ ;;
+ uclinux-uclibc*- )
;;
- uclinux-uclibc* )
+ managarm-mlibc*- | managarm-kernel*- )
;;
- -dietlibc* | -newlib* | -musl* | -uclibc* )
+ windows*-msvc*-)
+ ;;
+ -dietlibc*- | -llvm*- | -mlibc*- | -musl*- | -newlib*- | -relibc*- \
+ | -uclibc*- )
# These are just libc implementations, not actual OSes, and thus
# require a kernel.
- echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
+ echo "Invalid configuration '$1': libc '$os' needs explicit kernel." 1>&2
exit 1
;;
- kfreebsd*-gnu* | kopensolaris*-gnu*)
+ -kernel*- )
+ echo "Invalid configuration '$1': '$os' needs explicit kernel." 1>&2
+ exit 1
;;
- vxworks-simlinux | vxworks-simwindows | vxworks-spe)
+ *-kernel*- )
+ echo "Invalid configuration '$1': '$kernel' does not support '$os'." 1>&2
+ exit 1
;;
- nto-qnx*)
+ *-msvc*- )
+ echo "Invalid configuration '$1': '$os' needs 'windows'." 1>&2
+ exit 1
;;
- os2-emx)
+ kfreebsd*-gnu*- | kopensolaris*-gnu*-)
+ ;;
+ vxworks-simlinux- | vxworks-simwindows- | vxworks-spe-)
+ ;;
+ nto-qnx*-)
+ ;;
+ os2-emx-)
;;
- *-eabi* | *-gnueabi*)
+ *-eabi*- | *-gnueabi*-)
;;
- -*)
+ none--*)
+ # None (no kernel, i.e. freestanding / bare metal),
+ # can be paired with an machine code file format
+ ;;
+ -*-)
# Blank kernel with real OS is always fine.
;;
- *-*)
- echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
+ --*)
+ # Blank kernel and OS with real machine code file format is always fine.
+ ;;
+ *-*-*)
+ echo "Invalid configuration '$1': Kernel '$kernel' not known to work with OS '$os'." 1>&2
exit 1
;;
esac
;;
esac
-echo "$cpu-$vendor-${kernel:+$kernel-}$os"
+echo "$cpu-$vendor${kernel:+-$kernel}${os:+-$os}${obj:+-$obj}"
exit
# Local variables:
projects / ncurses.git / blobdiff