Update Gnulib.

All changes in this commit are autogenerated by running
admin/merge-gnulib.

1 files changed, 32 insertions, 28 deletions

diff --git a/build-aux/config.sub b/build-aux/config.sub
index 0753e308458..90bb8aeda63 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-08-17'
+timestamp='2020-12-22'
 
 # 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
@@ -33,7 +33,7 @@ timestamp='2020-08-17'
 # Otherwise, we print the canonical config type on stdout and succeed.
 
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
 
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -50,7 +50,7 @@ timestamp='2020-08-17'
 #	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
 # It is wrong to echo any other type of specification.
 
-me=`echo "$0" | sed -e 's,.*/,,'`
+me=$(echo "$0" | sed -e 's,.*/,,')
 
 usage="\
 Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
@@ -769,22 +769,22 @@ case $basic_machine in
 		vendor=hp
 		;;
 	i*86v32)
-		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		cpu=$(echo "$1" | sed -e 's/86.*/86/')
 		vendor=pc
 		basic_os=sysv32
 		;;
 	i*86v4*)
-		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		cpu=$(echo "$1" | sed -e 's/86.*/86/')
 		vendor=pc
 		basic_os=sysv4
 		;;
 	i*86v)
-		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		cpu=$(echo "$1" | sed -e 's/86.*/86/')
 		vendor=pc
 		basic_os=sysv
 		;;
 	i*86sol2)
-		cpu=`echo "$1" | sed -e 's/86.*/86/'`
+		cpu=$(echo "$1" | sed -e 's/86.*/86/')
 		vendor=pc
 		basic_os=solaris2
 		;;
@@ -917,7 +917,7 @@ case $basic_machine in
 		;;
 	leon-*|leon[3-9]-*)
 		cpu=sparc
-		vendor=`echo "$basic_machine" | sed 's/-.*//'`
+		vendor=$(echo "$basic_machine" | sed 's/-.*//')
 		;;
 
 	*-*)
@@ -1084,7 +1084,7 @@ case $cpu-$vendor in
 		cpu=mipsisa64sb1el
 		;;
 	sh5e[lb]-*)
-		cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
+		cpu=$(echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/')
 		;;
 	spur-*)
 		cpu=spur
@@ -1102,7 +1102,7 @@ case $cpu-$vendor in
 		cpu=x86_64
 		;;
 	xscale-* | xscalee[bl]-*)
-		cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
+		cpu=$(echo "$cpu" | sed 's/^xscale/arm/')
 		;;
 	arm64-*)
 		cpu=aarch64
@@ -1185,6 +1185,7 @@ case $cpu-$vendor in
 			| k1om \
 			| le32 | le64 \
 			| lm32 \
+			| loongarch32 | loongarch64 | loongarchx32 \
 			| m32c | m32r | m32rle \
 			| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
 			| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
@@ -1241,6 +1242,7 @@ case $cpu-$vendor in
 			| sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
 			| spu \
 			| tahoe \
+			| thumbv7* \
 			| tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
 			| tron \
 			| ubicom32 \
@@ -1286,11 +1288,15 @@ then
 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|')
 		;;
 	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
@@ -1301,11 +1307,11 @@ EOF
 	# 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|')
 		;;
 	*)
 		kernel=
@@ -1326,7 +1332,7 @@ case $os in
 		os=cnk
 		;;
 	solaris1 | solaris1.*)
-		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		os=$(echo $os | sed -e 's|solaris1|sunos4|')
 		;;
 	solaris)
 		os=solaris2
@@ -1355,7 +1361,7 @@ case $os in
 		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
@@ -1367,13 +1373,7 @@ case $os in
 		os=psos
 		;;
 	qnx*)
-		case $cpu in
-		    x86 | i*86)
-			;;
-		    *)
-			os=nto-$os
-			;;
-		esac
+		os=qnx
 		;;
 	hiux*)
 		os=hiuxwe2
@@ -1391,7 +1391,7 @@ case $os in
 		os=lynxos
 		;;
 	mac[0-9]*)
-		os=`echo "$os" | sed -e 's|mac|macos|'`
+		os=$(echo "$os" | sed -e 's|mac|macos|')
 		;;
 	opened*)
 		os=openedition
@@ -1400,10 +1400,10 @@ case $os in
 		os=os400
 		;;
 	sunos5*)
-		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
+		os=$(echo "$os" | sed -e 's|sunos5|solaris2|')
 		;;
 	sunos6*)
-		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
+		os=$(echo "$os" | sed -e 's|sunos6|solaris3|')
 		;;
 	wince*)
 		os=wince
@@ -1437,7 +1437,7 @@ case $os in
 		;;
 	# 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
@@ -1722,7 +1722,7 @@ case $os in
 	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
-	     | nsk* | powerunix* | genode* | zvmoe* )
+	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
@@ -1741,6 +1741,8 @@ esac
 case $kernel-$os in
 	linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* )
 		;;
+	uclinux-uclibc* )
+		;;
 	-dietlibc* | -newlib* | -musl* | -uclibc* )
 		# These are just libc implementations, not actual OSes, and thus
 		# require a kernel.
@@ -1751,6 +1753,8 @@ case $kernel-$os in
 		;;
 	nto-qnx*)
 		;;
+	os2-emx)
+		;;
 	*-eabi* | *-gnueabi*)
 		;;
 	-*)