Author: cy
Date: Tue Dec  8 21:23:03 2020
New Revision: 368464
URL: https://svnweb.freebsd.org/changeset/base/368464

Log:
  Vendor import of Unbound 1.13.0.
  
  Security:     CVE-2020-28935

Added:
  vendor/unbound/dist/contrib/metrics.awk   (contents, props changed)
  vendor/unbound/dist/testdata/doh_downstream_notls.tdir/
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.conf
   (contents, props changed)
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.dsc
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.post
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.pre
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.test
  
vendor/unbound/dist/testdata/doh_downstream_notls.tdir/doh_downstream_notls.testns
  vendor/unbound/dist/testdata/doh_downstream_notls.tdir/unbound_server.key
  vendor/unbound/dist/testdata/doh_downstream_notls.tdir/unbound_server.pem   
(contents, props changed)
  vendor/unbound/dist/testdata/edns_client_string.rpl
  vendor/unbound/dist/testdata/edns_client_string_opcode.rpl
  vendor/unbound/dist/testdata/tcp_reuse.tdir/
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.conf   (contents, props 
changed)
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.conf2
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.dsc
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.post
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.pre
  vendor/unbound/dist/testdata/tcp_reuse.tdir/tcp_reuse.test
  vendor/unbound/dist/testdata/tls_reuse.tdir/
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.conf   (contents, props 
changed)
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.conf2
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.dsc
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.post
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.pre
  vendor/unbound/dist/testdata/tls_reuse.tdir/tls_reuse.test
  vendor/unbound/dist/testdata/tls_reuse.tdir/unbound_control.key
  vendor/unbound/dist/testdata/tls_reuse.tdir/unbound_control.pem   (contents, 
props changed)
  vendor/unbound/dist/testdata/tls_reuse.tdir/unbound_server.key
  vendor/unbound/dist/testdata/tls_reuse.tdir/unbound_server.pem   (contents, 
props changed)
Deleted:
  vendor/unbound/dist/testdata/edns_client_tag.rpl
Modified:
  vendor/unbound/dist/config.guess
  vendor/unbound/dist/config.sub
  vendor/unbound/dist/configure
  vendor/unbound/dist/configure.ac
  vendor/unbound/dist/contrib/README
  vendor/unbound/dist/contrib/unbound.service.in
  vendor/unbound/dist/contrib/unbound_portable.service.in
  vendor/unbound/dist/daemon/daemon.c
  vendor/unbound/dist/daemon/unbound.c
  vendor/unbound/dist/daemon/worker.c
  vendor/unbound/dist/dnstap/dnstap.c
  vendor/unbound/dist/dnstap/dtstream.c
  vendor/unbound/dist/doc/Changelog
  vendor/unbound/dist/doc/README
  vendor/unbound/dist/doc/example.conf.in
  vendor/unbound/dist/doc/libunbound.3.in
  vendor/unbound/dist/doc/unbound-anchor.8.in
  vendor/unbound/dist/doc/unbound-checkconf.8.in
  vendor/unbound/dist/doc/unbound-control.8.in
  vendor/unbound/dist/doc/unbound-host.1.in
  vendor/unbound/dist/doc/unbound.8.in
  vendor/unbound/dist/doc/unbound.conf.5.in
  vendor/unbound/dist/libunbound/context.c
  vendor/unbound/dist/libunbound/libunbound.c
  vendor/unbound/dist/libunbound/libworker.c
  vendor/unbound/dist/pythonmod/doc/examples/example6.rst
  vendor/unbound/dist/pythonmod/doc/modules/functions.rst
  vendor/unbound/dist/pythonmod/examples/inplace_callbacks.py
  vendor/unbound/dist/pythonmod/interface.i
  vendor/unbound/dist/respip/respip.c
  vendor/unbound/dist/services/authzone.c
  vendor/unbound/dist/services/cache/infra.c
  vendor/unbound/dist/services/cache/infra.h
  vendor/unbound/dist/services/listen_dnsport.c
  vendor/unbound/dist/services/listen_dnsport.h
  vendor/unbound/dist/services/localzone.c
  vendor/unbound/dist/services/mesh.c
  vendor/unbound/dist/services/outside_network.c
  vendor/unbound/dist/services/outside_network.h
  vendor/unbound/dist/services/rpz.c
  vendor/unbound/dist/smallapp/unbound-control-setup.sh.in
  vendor/unbound/dist/testcode/do-tests.sh
  vendor/unbound/dist/testcode/dohclient.c
  vendor/unbound/dist/testcode/fake_event.c
  vendor/unbound/dist/testcode/run_vm.sh
  vendor/unbound/dist/testcode/testbound.c
  vendor/unbound/dist/testcode/unitmain.c
  vendor/unbound/dist/testdata/dnstap.tdir/dnstap.pre
  vendor/unbound/dist/testdata/dnstap.tdir/dnstap.test
  vendor/unbound/dist/testdata/fwd_oneport.tdir/fwd_oneport.conf
  vendor/unbound/dist/util/config_file.c
  vendor/unbound/dist/util/config_file.h
  vendor/unbound/dist/util/configlexer.c
  vendor/unbound/dist/util/configlexer.lex
  vendor/unbound/dist/util/configparser.c
  vendor/unbound/dist/util/configparser.h
  vendor/unbound/dist/util/configparser.y
  vendor/unbound/dist/util/data/msgencode.c
  vendor/unbound/dist/util/data/msgreply.h
  vendor/unbound/dist/util/edns.c
  vendor/unbound/dist/util/edns.h
  vendor/unbound/dist/util/fptr_wlist.c
  vendor/unbound/dist/util/iana_ports.inc
  vendor/unbound/dist/util/module.h
  vendor/unbound/dist/util/netevent.c
  vendor/unbound/dist/util/netevent.h
  vendor/unbound/dist/util/regional.c
  vendor/unbound/dist/util/regional.h
  vendor/unbound/dist/validator/val_secalgo.c

Modified: vendor/unbound/dist/config.guess
==============================================================================
--- vendor/unbound/dist/config.guess    Tue Dec  8 19:10:40 2020        
(r368463)
+++ vendor/unbound/dist/config.guess    Tue Dec  8 21:23:03 2020        
(r368464)
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-09-19'
+timestamp='2020-11-19'
 
 # 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
@@ -27,12 +27,12 @@ timestamp='2020-09-19'
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
 #
 # Please send patches to <config-patc...@gnu.org>.
 
 
-me=`echo "$0" | sed -e 's,.*/,,'`
+me=$(echo "$0" | sed -e 's,.*/,,')
 
 usage="\
 Usage: $0 [OPTION]
@@ -103,7 +103,7 @@ set_cc_for_build() {
     test "$tmp" && return 0
     : "${TMPDIR=/tmp}"
     # shellcheck disable=SC2039
-    { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n 
"$tmp" && test -d "$tmp" ; } ||
+    { tmp=$( (umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null) && test 
-n "$tmp" && test -d "$tmp" ; } ||
        { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir 
"$tmp" 2>/dev/null) ; } ||
        { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo 
"Warning: creating insecure temp directory" >&2 ; } ||
        { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 
1 ; }
@@ -131,16 +131,14 @@ if test -f /.attbin/uname ; then
        PATH=$PATH:/.attbin ; export PATH
 fi
 
-UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
-UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
-UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+UNAME_MACHINE=$( (uname -m) 2>/dev/null) || UNAME_MACHINE=unknown
+UNAME_RELEASE=$( (uname -r) 2>/dev/null) || UNAME_RELEASE=unknown
+UNAME_SYSTEM=$( (uname -s) 2>/dev/null) || UNAME_SYSTEM=unknown
+UNAME_VERSION=$( (uname -v) 2>/dev/null) || UNAME_VERSION=unknown
 
 case "$UNAME_SYSTEM" in
 Linux|GNU|GNU/*)
-       # If the system lacks a compiler, then just pick glibc.
-       # We could probably try harder.
-       LIBC=gnu
+       LIBC=unknown
 
        set_cc_for_build
        cat <<-EOF > "$dummy.c"
@@ -149,16 +147,30 @@ Linux|GNU|GNU/*)
        LIBC=uclibc
        #elif defined(__dietlibc__)
        LIBC=dietlibc
+       #elif defined(__GLIBC__)
+       LIBC=gnu
        #else
        #include <stdarg.h>
+       /* First heuristic to detect musl libc.  */
        #ifdef __DEFINED_va_list
        LIBC=musl
-       #else
-       LIBC=gnu
        #endif
        #endif
        EOF
-       eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, 
,,g'`"
+       eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 
's, ,,g')"
+
+       # Second heuristic to detect musl libc.
+       if [ "$LIBC" = unknown ] &&
+          command -v ldd >/dev/null &&
+          ldd --version 2>&1 | grep -q ^musl; then
+               LIBC=musl
+       fi
+
+       # If the system lacks a compiler, then just pick glibc.
+       # We could probably try harder.
+       if [ "$LIBC" = unknown ]; then
+               LIBC=gnu
+       fi
        ;;
 esac
 
@@ -177,19 +189,20 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        # Note: NetBSD doesn't particularly care about the vendor
        # portion of the name.  We always set it to "unknown".
        sysctl="sysctl -n hw.machine_arch"
-       UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+       UNAME_MACHINE_ARCH=$( (uname -p 2>/dev/null || \
            "/sbin/$sysctl" 2>/dev/null || \
            "/usr/sbin/$sysctl" 2>/dev/null || \
-           echo unknown)`
+           echo unknown))
        case "$UNAME_MACHINE_ARCH" in
+           aarch64eb) machine=aarch64_be-unknown ;;
            armeb) machine=armeb-unknown ;;
            arm*) machine=arm-unknown ;;
            sh3el) machine=shl-unknown ;;
            sh3eb) machine=sh-unknown ;;
            sh5el) machine=sh5le-unknown ;;
            earmv*)
-               arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 
's,^e\(armv[0-9]\).*$,\1,'`
-               endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 
's,^.*\(eb\)$,\1,p'`
+               arch=$(echo "$UNAME_MACHINE_ARCH" | sed -e 
's,^e\(armv[0-9]\).*$,\1,')
+               endian=$(echo "$UNAME_MACHINE_ARCH" | sed -ne 
's,^.*\(eb\)$,\1,p')
                machine="${arch}${endian}"-unknown
                ;;
            *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
@@ -220,7 +233,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        case "$UNAME_MACHINE_ARCH" in
            earm*)
                expr='s/^earmv[0-9]/-eabi/;s/eb$//'
-               abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+               abi=$(echo "$UNAME_MACHINE_ARCH" | sed -e "$expr")
                ;;
        esac
        # The OS release
@@ -233,7 +246,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
                release='-gnu'
                ;;
            *)
-               release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. 
-f1,2`
+               release=$(echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. 
-f1,2)
                ;;
        esac
        # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
@@ -242,15 +255,15 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        echo "$machine-${os}${release}${abi-}"
        exit ;;
     *:Bitrig:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/Bitrig.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
        exit ;;
     *:OpenBSD:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/OpenBSD.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
        exit ;;
     *:LibertyBSD:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/^.*BSD\.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
        exit ;;
     *:MidnightBSD:*:*)
@@ -286,17 +299,17 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
     alpha:OSF1:*:*)
        case $UNAME_RELEASE in
        *4.0)
-               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+               UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $3}')
                ;;
        *5.*)
-               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+               UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $4}')
                ;;
        esac
        # According to Compaq, /usr/sbin/psrinfo has been available on
        # OSF/1 and Tru64 systems produced since 1995.  I hope that
        # covers most systems running today.  This code pipes the CPU
        # types through head -n 1, so we only detect the type of CPU 0.
-       ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) 
processor.*$/\1/p' | head -n 1`
+       ALPHA_CPU_TYPE=$(/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha 
\(.*\) processor.*$/\1/p' | head -n 1)
        case "$ALPHA_CPU_TYPE" in
            "EV4 (21064)")
                UNAME_MACHINE=alpha ;;
@@ -334,7 +347,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        # A Tn.n version is a released field test version.
        # A Xn.n version is an unreleased experimental baselevel.
        # 1.2 uses "1.2" for uname -r.
-       echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 
's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
+       echo "$UNAME_MACHINE"-dec-osf"$(echo "$UNAME_RELEASE" | sed -e 
's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz)"
        # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
        exitcode=$?
        trap '' 0
@@ -368,7 +381,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        exit ;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
        # a...@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
-       if test "`(/bin/universe) 2>/dev/null`" = att ; then
+       if test "$( (/bin/universe) 2>/dev/null)" = att ; then
                echo pyramid-pyramid-sysv3
        else
                echo pyramid-pyramid-bsd
@@ -381,17 +394,17 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        echo sparc-icl-nx6
        exit ;;
     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
-       case `/usr/bin/uname -p` in
+       case $(/usr/bin/uname -p) in
            sparc) echo sparc-icl-nx7; exit ;;
        esac ;;
     s390x:SunOS:*:*)
-       echo "$UNAME_MACHINE"-ibm-solaris2"`echo "$UNAME_RELEASE" | sed -e 
's/[^.]*//'`"
+       echo "$UNAME_MACHINE"-ibm-solaris2"$(echo "$UNAME_RELEASE" | sed -e 
's/[^.]*//')"
        exit ;;
     sun4H:SunOS:5.*:*)
-       echo sparc-hal-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo sparc-hal-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-       echo sparc-sun-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+       echo sparc-sun-solaris2"$(echo "$UNAME_RELEASE" | sed -e 's/[^.]*//')"
        exit ;;
     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
        echo i386-pc-auroraux"$UNAME_RELEASE"
@@ -410,30 +423,30 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
                SUN_ARCH=x86_64
            fi
        fi
-       echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo "$SUN_ARCH"-pc-solaris2"$(echo "$UNAME_RELEASE"|sed -e 
's/[^.]*//')"
        exit ;;
     sun4*:SunOS:6*:*)
        # According to config.sub, this is the proper way to canonicalize
        # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
        # it's likely to be more like Solaris than SunOS4.
-       echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo sparc-sun-solaris3"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     sun4*:SunOS:*:*)
-       case "`/usr/bin/arch -k`" in
+       case "$(/usr/bin/arch -k)" in
            Series*|S4*)
-               UNAME_RELEASE=`uname -v`
+               UNAME_RELEASE=$(uname -v)
                ;;
        esac
        # Japanese Language versions have a version number like `4.1.3-JL'.
-       echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`"
+       echo sparc-sun-sunos"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/')"
        exit ;;
     sun3*:SunOS:*:*)
        echo m68k-sun-sunos"$UNAME_RELEASE"
        exit ;;
     sun*:*:4.2BSD:*)
-       UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 
2>/dev/null`
+       UNAME_RELEASE=$( (sed 1q /etc/motd | awk '{print substr($5,1,3)}') 
2>/dev/null)
        test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
-       case "`/bin/arch`" in
+       case "$(/bin/arch)" in
            sun3)
                echo m68k-sun-sunos"$UNAME_RELEASE"
                ;;
@@ -513,8 +526,8 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNA
        }
 EOF
        $CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
-         dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
-         SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
+         dummyarg=$(echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p') &&
+         SYSTEM_NAME=$("$dummy" "$dummyarg") &&
            { echo "$SYSTEM_NAME"; exit; }
        echo mips-mips-riscos"$UNAME_RELEASE"
        exit ;;
@@ -541,7 +554,7 @@ EOF
        exit ;;
     AViiON:dgux:*:*)
        # DG/UX returns AViiON for all architectures
-       UNAME_PROCESSOR=`/usr/bin/uname -p`
+       UNAME_PROCESSOR=$(/usr/bin/uname -p)
        if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = 
mc88110
        then
            if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
@@ -569,17 +582,17 @@ EOF
        echo m68k-tektronix-bsd
        exit ;;
     *:IRIX*:*:*)
-       echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`"
+       echo mips-sgi-irix"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/g')"
        exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
        echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
-       exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+       exit ;;               # Note that: echo "'$(uname -s)'" gives 'AIX '
     i*86:AIX:*:*)
        echo i386-ibm-aix
        exit ;;
     ia64:AIX:*:*)
        if test -x /usr/bin/oslevel ; then
-               IBM_REV=`/usr/bin/oslevel`
+               IBM_REV=$(/usr/bin/oslevel)
        else
                IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
        fi
@@ -599,7 +612,7 @@ EOF
                        exit(0);
                        }
 EOF
-               if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && 
SYSTEM_NAME=`"$dummy"`
+               if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && 
SYSTEM_NAME=$("$dummy")
                then
                        echo "$SYSTEM_NAME"
                else
@@ -612,15 +625,15 @@ EOF
        fi
        exit ;;
     *:AIX:*:[4567])
-       IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk 
'{ print $1 }'`
+       IBM_CPU_ID=$(/usr/sbin/lsdev -C -c processor -S available | sed 1q | 
awk '{ print $1 }')
        if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; 
then
                IBM_ARCH=rs6000
        else
                IBM_ARCH=powerpc
        fi
        if test -x /usr/bin/lslpp ; then
-               IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
-                          awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
+               IBM_REV=$(/usr/bin/lslpp -Lqc bos.rte.libc |
+                          awk -F: '{ print $3 }' | sed s/[0-9]*$/0/)
        else
                IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
        fi
@@ -648,14 +661,14 @@ EOF
        echo m68k-hp-bsd4.4
        exit ;;
     9000/[34678]??:HP-UX:*:*)
-       HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+       HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
        case "$UNAME_MACHINE" in
            9000/31?)            HP_ARCH=m68000 ;;
            9000/[34]??)         HP_ARCH=m68k ;;
            9000/[678][0-9][0-9])
                if test -x /usr/bin/getconf; then
-                   sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
-                   sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+                   sc_cpu_version=$(/usr/bin/getconf SC_CPU_VERSION 
2>/dev/null)
+                   sc_kernel_bits=$(/usr/bin/getconf SC_KERNEL_BITS 
2>/dev/null)
                    case "$sc_cpu_version" in
                      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
                      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
@@ -702,7 +715,7 @@ EOF
                    exit (0);
                }
 EOF
-                   (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 
2>/dev/null) && HP_ARCH=`"$dummy"`
+                   (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 
2>/dev/null) && HP_ARCH=$("$dummy")
                    test -z "$HP_ARCH" && HP_ARCH=hppa
                fi ;;
        esac
@@ -730,7 +743,7 @@ EOF
        echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
        exit ;;
     ia64:HP-UX:*:*)
-       HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+       HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
        echo ia64-hp-hpux"$HPUX_REV"
        exit ;;
     3050*:HI-UX:*:*)
@@ -760,7 +773,7 @@ EOF
          exit (0);
        }
 EOF
-       $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
+       $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=$("$dummy") &&
                { echo "$SYSTEM_NAME"; exit; }
        echo unknown-hitachi-hiuxwe2
        exit ;;
@@ -829,14 +842,14 @@ EOF
        echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
        exit ;;
     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
-       FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz`
-       FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-       FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
+       FUJITSU_PROC=$(uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz)
+       FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
+       FUJITSU_REL=$(echo "$UNAME_RELEASE" | sed -e 's/ /_/')
        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
        exit ;;
     5000:UNIX_System_V:4.*:*)
-       FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-       FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+       FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
+       FUJITSU_REL=$(echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/')
        echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
        exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
@@ -849,25 +862,25 @@ EOF
        echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
        exit ;;
     arm:FreeBSD:*:*)
-       UNAME_PROCESSOR=`uname -p`
+       UNAME_PROCESSOR=$(uname -p)
        set_cc_for_build
        if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
            | grep -q __ARM_PCS_VFP
        then
-           echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo 
${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabi
+           echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo 
${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabi
        else
-           echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo 
${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabihf
+           echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo 
${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabihf
        fi
        exit ;;
     *:FreeBSD:*:*)
-       UNAME_PROCESSOR=`/usr/bin/uname -p`
+       UNAME_PROCESSOR=$(/usr/bin/uname -p)
        case "$UNAME_PROCESSOR" in
            amd64)
                UNAME_PROCESSOR=x86_64 ;;
            i386)
                UNAME_PROCESSOR=i586 ;;
        esac
-       echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 
's/[-(].*//'`"
+       echo "$UNAME_PROCESSOR"-unknown-freebsd"$(echo "$UNAME_RELEASE"|sed -e 
's/[-(].*//')"
        exit ;;
     i*:CYGWIN*:*)
        echo "$UNAME_MACHINE"-pc-cygwin
@@ -903,15 +916,15 @@ EOF
        echo x86_64-pc-cygwin
        exit ;;
     prep*:SunOS:5.*:*)
-       echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 
's/[^.]*//'`"
+       echo powerpcle-unknown-solaris2"$(echo "$UNAME_RELEASE"|sed -e 
's/[^.]*//')"
        exit ;;
     *:GNU:*:*)
        # the GNU system
-       echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo 
"$UNAME_RELEASE"|sed -e 's,/.*$,,'`"
+       echo "$(echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,')-unknown-$LIBC$(echo 
"$UNAME_RELEASE"|sed -e 's,/.*$,,')"
        exit ;;
     *:GNU/*:*:*)
        # other systems with GNU libc and userland
-       echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' 
| tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
+       echo "$UNAME_MACHINE-unknown-$(echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' 
| tr "[:upper:]" "[:lower:]")$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')-$LIBC"
        exit ;;
     *:Minix:*:*)
        echo "$UNAME_MACHINE"-unknown-minix
@@ -924,7 +937,7 @@ EOF
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
     alpha:Linux:*:*)
-       case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 
2>/dev/null` in
+       case $(sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 
2>/dev/null) in
          EV5)   UNAME_MACHINE=alphaev5 ;;
          EV56)  UNAME_MACHINE=alphaev56 ;;
          PCA56) UNAME_MACHINE=alphapca56 ;;
@@ -1033,7 +1046,7 @@ EOF
        #endif
        #endif
 EOF
-       eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep 
'^CPU\|^MIPS_ENDIAN\|^LIBCABI'`"
+       eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep 
'^CPU\|^MIPS_ENDIAN\|^LIBCABI')"
        test "x$CPU" != x && { echo 
"$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
        ;;
     mips64el:Linux:*:*)
@@ -1053,7 +1066,7 @@ EOF
        exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
        # Look for CPU level
-       case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+       case $(grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2) in
          PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
          PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
          *)    echo hppa-unknown-linux-"$LIBC" ;;
@@ -1143,7 +1156,7 @@ EOF
        echo "$UNAME_MACHINE"-pc-msdosdjgpp
        exit ;;
     i*86:*:4.*:*)
-       UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+       UNAME_REL=$(echo "$UNAME_RELEASE" | sed 's/\/MP$//')
        if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
                echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
        else
@@ -1152,7 +1165,7 @@ EOF
        exit ;;
     i*86:*:5:[678]*)
        # UnixWare 7.x, OpenUNIX and OpenServer 6.
-       case `/bin/uname -X | grep "^Machine"` in
+       case $(/bin/uname -X | grep "^Machine") in
            *486*)           UNAME_MACHINE=i486 ;;
            *Pentium)        UNAME_MACHINE=i586 ;;
            *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
@@ -1161,10 +1174,10 @@ EOF
        exit ;;
     i*86:*:3.2:*)
        if test -f /usr/options/cb.name; then
-               UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+               UNAME_REL=$(sed -n 's/.*Version //p' </usr/options/cb.name)
                echo "$UNAME_MACHINE"-pc-isc"$UNAME_REL"
        elif /bin/uname -X 2>/dev/null >/dev/null ; then
-               UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+               UNAME_REL=$( (/bin/uname -X|grep Release|sed -e 's/.*= //'))
                (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
                (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
                        && UNAME_MACHINE=i586
@@ -1214,7 +1227,7 @@ EOF
     3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 
3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | 
SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
        OS_REL=''
        test -r /etc/.relid \
-       && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+       && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid)
        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
          && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
        /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
@@ -1225,7 +1238,7 @@ EOF
     NCR*:*:4.2:* | MPRAS*:*:4.2:*)
        OS_REL='.3'
        test -r /etc/.relid \
-           && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < 
/etc/.relid`
+           && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < 
/etc/.relid)
        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
            && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
        /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
@@ -1258,7 +1271,7 @@ EOF
        exit ;;
     *:SINIX-*:*:*)
        if uname -p 2>/dev/null >/dev/null ; then
-               UNAME_MACHINE=`(uname -p) 2>/dev/null`
+               UNAME_MACHINE=$( (uname -p) 2>/dev/null)
                echo "$UNAME_MACHINE"-sni-sysv4
        else
                echo ns32k-sni-sysv
@@ -1344,7 +1357,7 @@ EOF
        echo aarch64-apple-darwin"$UNAME_RELEASE"
        exit ;;
     *:Darwin:*:*)
-       UNAME_PROCESSOR=`uname -p`
+       UNAME_PROCESSOR=$(uname -p)
        case $UNAME_PROCESSOR in
            unknown) UNAME_PROCESSOR=powerpc ;;
        esac
@@ -1381,7 +1394,7 @@ EOF
        echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
        exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
-       UNAME_PROCESSOR=`uname -p`
+       UNAME_PROCESSOR=$(uname -p)
        if test "$UNAME_PROCESSOR" = x86; then
                UNAME_PROCESSOR=i386
                UNAME_MACHINE=pc
@@ -1449,10 +1462,10 @@ EOF
        echo mips-sei-seiux"$UNAME_RELEASE"
        exit ;;
     *:DragonFly:*:*)
-       echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 
's/[-(].*//'`"
+       echo "$UNAME_MACHINE"-unknown-dragonfly"$(echo "$UNAME_RELEASE"|sed -e 
's/[-(].*//')"
        exit ;;
     *:*VMS:*:*)
-       UNAME_MACHINE=`(uname -p) 2>/dev/null`
+       UNAME_MACHINE=$( (uname -p) 2>/dev/null)
        case "$UNAME_MACHINE" in
            A*) echo alpha-dec-vms ; exit ;;
            I*) echo ia64-dec-vms ; exit ;;
@@ -1462,7 +1475,7 @@ EOF
        echo i386-pc-xenix
        exit ;;
     i*86:skyos:*:*)
-       echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ 
.*$//'`"
+       echo "$UNAME_MACHINE"-pc-skyos"$(echo "$UNAME_RELEASE" | sed -e 's/ 
.*$//')"
        exit ;;
     i*86:rdos:*:*)
        echo "$UNAME_MACHINE"-pc-rdos
@@ -1520,7 +1533,7 @@ main ()
 #define __ARCHITECTURE__ "m68k"
 #endif
   int version;
-  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+  version=$( (hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 
2>/dev/null);
   if (version < 4)
     printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
   else
@@ -1612,7 +1625,7 @@ main ()
 }
 EOF
 
-$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=$($dummy) &&
        { echo "$SYSTEM_NAME"; exit; }
 
 # Apollos put the system type in the environment.
@@ -1637,14 +1650,14 @@ This script (version $timestamp), has failed to recogn
 operating system you are using. If your script is old, overwrite *all*
 copies of config.guess and config.sub with the latest versions from:
 
-  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
 and
-  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
 EOF
 
-year=`echo $timestamp | sed 's,-.*,,'`
+year=$(echo $timestamp | sed 's,-.*,,')
 # shellcheck disable=SC2003
-if test "`expr "\`date +%Y\`" - "$year"`" -lt 3 ; then
+if test "$(expr "$(date +%Y)" - "$year")" -lt 3 ; then
    cat >&2 <<EOF
 
 If $0 has already been updated, send the following data and any
@@ -1653,20 +1666,20 @@ provide the necessary information to handle your syste
 
 config.guess timestamp = $timestamp
 
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
+uname -m = $( (uname -m) 2>/dev/null || echo unknown)
+uname -r = $( (uname -r) 2>/dev/null || echo unknown)
+uname -s = $( (uname -s) 2>/dev/null || echo unknown)
+uname -v = $( (uname -v) 2>/dev/null || echo unknown)
 
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
-/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+/usr/bin/uname -p = $( (/usr/bin/uname -p) 2>/dev/null)
+/bin/uname -X     = $( (/bin/uname -X) 2>/dev/null)
 
-hostinfo               = `(hostinfo) 2>/dev/null`
-/bin/universe          = `(/bin/universe) 2>/dev/null`
-/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
-/bin/arch              = `(/bin/arch) 2>/dev/null`
-/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+hostinfo               = $( (hostinfo) 2>/dev/null)
+/bin/universe          = $( (/bin/universe) 2>/dev/null)
+/usr/bin/arch -k       = $( (/usr/bin/arch -k) 2>/dev/null)
+/bin/arch              = $( (/bin/arch) 2>/dev/null)
+/usr/bin/oslevel       = $( (/usr/bin/oslevel) 2>/dev/null)
+/usr/convex/getsysinfo = $( (/usr/convex/getsysinfo) 2>/dev/null)
 
 UNAME_MACHINE = "$UNAME_MACHINE"
 UNAME_RELEASE = "$UNAME_RELEASE"

Modified: vendor/unbound/dist/config.sub
==============================================================================
--- vendor/unbound/dist/config.sub      Tue Dec  8 19:10:40 2020        
(r368463)
+++ vendor/unbound/dist/config.sub      Tue Dec  8 21:23:03 2020        
(r368464)
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-09-08'
+timestamp='2020-12-02'
 
 # 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
@@ -33,7 +33,7 @@ timestamp='2020-09-08'
 # 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='2020-09-08'
 #      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
@@ -1241,6 +1241,7 @@ case $cpu-$vendor in
                        | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
                        | spu \
                        | tahoe \
+                       | thumbv7* \
                        | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
                        | tron \
                        | ubicom32 \
@@ -1286,11 +1287,15 @@ 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 +1306,11 @@ 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 +1331,7 @@ 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 +1360,7 @@ 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
@@ -1385,7 +1390,7 @@ 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
@@ -1394,10 +1399,10 @@ 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
@@ -1431,7 +1436,7 @@ 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
@@ -1716,7 +1721,7 @@ case $os in
             | skyos* | haiku* | rdos* | toppers* | drops* | es* \
             | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
             | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
-            | nsk* | powerunix* | genode* | zvmoe* | qnx* )
+            | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
                ;;
        # This one is extra strict with allowed versions
        sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
@@ -1746,6 +1751,8 @@ case $kernel-$os in
        kfreebsd*-gnu* | kopensolaris*-gnu*)
                ;;
        nto-qnx*)
+               ;;
+       os2-emx)
                ;;
        *-eabi* | *-gnueabi*)
                ;;

Modified: vendor/unbound/dist/configure
==============================================================================
--- vendor/unbound/dist/configure       Tue Dec  8 19:10:40 2020        
(r368463)
+++ vendor/unbound/dist/configure       Tue Dec  8 21:23:03 2020        
(r368464)
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for unbound 1.12.0.
+# Generated by GNU Autoconf 2.69 for unbound 1.13.0.
 #
 # Report bugs to <unbound-b...@nlnetlabs.nl or 
https://github.com/NLnetLabs/unbound/issues>.
 #
@@ -591,8 +591,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='unbound'
 PACKAGE_TARNAME='unbound'
-PACKAGE_VERSION='1.12.0'
-PACKAGE_STRING='unbound 1.12.0'
+PACKAGE_VERSION='1.13.0'
+PACKAGE_STRING='unbound 1.13.0'
 PACKAGE_BUGREPORT='unbound-b...@nlnetlabs.nl or 
https://github.com/NLnetLabs/unbound/issues'
 PACKAGE_URL=''
 
@@ -1459,7 +1459,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures unbound 1.12.0 to adapt to many kinds of systems.
+\`configure' configures unbound 1.13.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1524,7 +1524,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of unbound 1.12.0:";;
+     short | recursive ) echo "Configuration of unbound 1.13.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1752,7 +1752,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-unbound configure 1.12.0
+unbound configure 1.13.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2461,7 +2461,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by unbound $as_me 1.12.0, which was
+It was created by unbound $as_me 1.13.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2811,13 +2811,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 UNBOUND_VERSION_MAJOR=1
 
-UNBOUND_VERSION_MINOR=12
+UNBOUND_VERSION_MINOR=13
 
 UNBOUND_VERSION_MICRO=0
 
 
 LIBUNBOUND_CURRENT=9
-LIBUNBOUND_REVISION=10
+LIBUNBOUND_REVISION=11
 LIBUNBOUND_AGE=1
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -2895,6 +2895,7 @@ LIBUNBOUND_AGE=1
 # 1.10.1 had 9:8:1
 # 1.11.0 had 9:9:1
 # 1.12.0 had 9:10:1
+# 1.13.0 had 9:11:1
 
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -14728,7 +14729,7 @@ $as_echo "no" >&6; }
 fi
 
 # Checks for header files.
-for ac_header in stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h 
sys/select.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h 
syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h 
ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h 
ifaddrs.h net/if.h
+for ac_header in stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h 
sys/select.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h 
syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h 
ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h 
ifaddrs.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" 
"$ac_includes_default
@@ -14742,7 +14743,35 @@ fi
 
 done
 
+# net/if.h portability for Darwin see:
+# 
https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Header-Portability.html
+for ac_header in net/if.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "net/if.h" "ac_cv_header_net_if_h" "
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
 
+"
+if test "x$ac_cv_header_net_if_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_NET_IF_H 1
+_ACEOF
+
+fi
+
+done
+
+
 # Check for Apple header. This uncovers TARGET_OS_IPHONE, TARGET_OS_TV or 
TARGET_OS_WATCH
 for ac_header in TargetConditionals.h
 do :
@@ -21686,7 +21715,7 @@ _ACEOF
 
 
 
-version=1.12.0
+version=1.13.0
 
 date=`date +'%b %e, %Y'`
 
@@ -22205,7 +22234,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by unbound $as_me 1.12.0, which was
+This file was extended by unbound $as_me 1.13.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -22271,7 +22300,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; 
s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-unbound config.status 1.12.0
+unbound config.status 1.13.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

Modified: vendor/unbound/dist/configure.ac
==============================================================================
--- vendor/unbound/dist/configure.ac    Tue Dec  8 19:10:40 2020        
(r368463)
+++ vendor/unbound/dist/configure.ac    Tue Dec  8 21:23:03 2020        
(r368464)
@@ -10,7 +10,7 @@ sinclude(dnscrypt/dnscrypt.m4)
 
 # must be numbers. ac_defun because of later processing
 m4_define([VERSION_MAJOR],[1])
-m4_define([VERSION_MINOR],[12])
+m4_define([VERSION_MINOR],[13])
 m4_define([VERSION_MICRO],[0])
 AC_INIT(unbound, 
m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), 
unbound-b...@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues, 
unbound)
 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
@@ -18,7 +18,7 @@ AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
 
 LIBUNBOUND_CURRENT=9
-LIBUNBOUND_REVISION=10
+LIBUNBOUND_REVISION=11
 LIBUNBOUND_AGE=1
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -96,6 +96,7 @@ LIBUNBOUND_AGE=1
 # 1.10.1 had 9:8:1
 # 1.11.0 had 9:9:1
 # 1.12.0 had 9:10:1
+# 1.13.0 had 9:11:1
 

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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