On 8/16/18 8:29 AM, Joe MacDonald wrote:
> Initial integration of the two stable BIRD releases, 1.6.4 and 2.0.2.
> 
> Signed-off-by: Joe MacDonald <[email protected]>
> ---
> 
> v2:
>    - adding upstream-status and link to upstream commit accomplishing the same
>      goal.
> 
>  .../recipes-protocols/bird/bird.inc           |   32 +
>  .../recipes-protocols/bird/bird_1.6.4.bb      |    9 +
>  .../recipes-protocols/bird/bird_2.0.2.bb      |    9 +
>  ...-extend-config.sub-to-recognize-musl.patch | 4430 +++++++++++++++++
>  .../recipes-protocols/bird/files/bird.init    |    2 +
>  5 files changed, 4482 insertions(+)
>  create mode 100644 meta-networking/recipes-protocols/bird/bird.inc
>  create mode 100644 meta-networking/recipes-protocols/bird/bird_1.6.4.bb
>  create mode 100644 meta-networking/recipes-protocols/bird/bird_2.0.2.bb
>  create mode 100644 
> meta-networking/recipes-protocols/bird/files/0001-musl-extend-config.sub-to-recognize-musl.patch
>  create mode 100755 meta-networking/recipes-protocols/bird/files/bird.init
> 
> diff --git a/meta-networking/recipes-protocols/bird/bird.inc 
> b/meta-networking/recipes-protocols/bird/bird.inc
> new file mode 100644
> index 000000000..33d17dcb7
> --- /dev/null
> +++ b/meta-networking/recipes-protocols/bird/bird.inc
> @@ -0,0 +1,32 @@
> +SUMMARY = "BIRD Internet Routing Daemon"
> +DESCRIPTION = "\
> +BIRD is dynamic routing daemon supporting IPv4 and IPv6 versions of routing \
> +protocols BGP, RIP and OSPF."
> +HOMEPAGE = "http://bird.network.cz";
> +SECTION = "console/network"
> +LICENSE = "GPLv2"
> +LIC_FILES_CHKSUM = 
> "file://README;beginline=87;endline=103;md5=0efecc23f039022580d0bac9a52f6117"
> +DEPENDS = "flex bison ncurses readline"
> +

does it need flex and bison on target ? or just native versions

> +inherit autotools
> +
> +EXTRA_OECONF  += "\
> +--enable-pthreads \
> +"
> +
> +do_configure() {
> +    oe_runconf ${EXTRA_OECONF}
> +}
> +
> +do_install_append() {
> +    install -m 0755 -d ${D}${sysconfdir}/init.d
> +    install -m 0755 ${WORKDIR}/bird.init ${D}${sysconfdir}/init.d/bird

may be use a single line

install -D -m 0755 ${WORKDIR}/bird.init ${D}${sysconfdir}/init.d/bird

> +    rm -rf ${D}/run ${D}/var/run 
> +}
> +
> +PACKAGES += " bird-client"
> +
> +FILES_${PN} += "/run /var/run"

I think we don't need this

> +FILES_${PN}-client = "/usr/sbin/birdc*"
> +

may be use ${sbindir} here

> +RUNIT_SERVICES = "bird"
> diff --git a/meta-networking/recipes-protocols/bird/bird_1.6.4.bb 
> b/meta-networking/recipes-protocols/bird/bird_1.6.4.bb
> new file mode 100644
> index 000000000..27c62aeee
> --- /dev/null
> +++ b/meta-networking/recipes-protocols/bird/bird_1.6.4.bb
> @@ -0,0 +1,9 @@
> +require bird.inc
> +
> +SRC_URI = "\
> +    ftp://bird.network.cz/pub/${PN}/${PN}-${PV}.tar.gz \
> +    file://bird.init \
> +    file://0001-musl-extend-config.sub-to-recognize-musl.patch \
> +    "
> +SRC_URI[md5sum] = "d62ec2547338e8d3dfb934b4c7b2faa4"
> +SRC_URI[sha256sum] = 
> "c26b8caae988dba81a9dbbee93502463d4326d1b749d728d62aa5529c605afc0"
> diff --git a/meta-networking/recipes-protocols/bird/bird_2.0.2.bb 
> b/meta-networking/recipes-protocols/bird/bird_2.0.2.bb
> new file mode 100644
> index 000000000..92d858869
> --- /dev/null
> +++ b/meta-networking/recipes-protocols/bird/bird_2.0.2.bb
> @@ -0,0 +1,9 @@
> +require bird.inc
> +
> +SRC_URI = "\
> +    ftp://bird.network.cz/pub/${PN}/${PN}-${PV}.tar.gz \
> +    file://bird.init \
> +    file://0001-musl-extend-config.sub-to-recognize-musl.patch \
> +    "
> +SRC_URI[md5sum] = "de17645b045fa13912409aea59420132"
> +SRC_URI[sha256sum] = 
> "035f91d6f568f8ed438a0814235ac4c5c79147cd2acf201322c307732883480f"

do we need to maintain both 1.6 and 2.x versions ?
I guess they must be incompatible with each other and 1.6 still
deployed. but I would prefer to just maintain latest version

> diff --git 
> a/meta-networking/recipes-protocols/bird/files/0001-musl-extend-config.sub-to-recognize-musl.patch
>  
> b/meta-networking/recipes-protocols/bird/files/0001-musl-extend-config.sub-to-recognize-musl.patch
> new file mode 100644
> index 000000000..578f9b6f0
> --- /dev/null
> +++ 
> b/meta-networking/recipes-protocols/bird/files/0001-musl-extend-config.sub-to-recognize-musl.patch
> @@ -0,0 +1,4430 @@
> +From 21baaa6870edb68f0a417ea3b4de5c75e5cf5a0d Mon Sep 17 00:00:00 2001
> +From: Joe MacDonald <[email protected]>
> +Date: Thu, 16 Aug 2018 01:56:05 +0000
> +Subject: [PATCH] musl: update config.guess and config.sub
> +
> +Just bringing config.guess and config.sub up to date is enough to enable
> +musl to build BIRD.
> +
> +Upstream-Status: Backport 
> [https://gitlab.labs.nic.cz/labs/bird/commit/822a7ee6d5cd9bf38548026e0dd52fbc4634030d]
> +
> +Signed-off-by: Joe MacDonald <[email protected]>
> +---
> + tools/config.guess | 1193 ++++++++++++++---------------
> + tools/config.sub   | 1810 +++++++++++++++++++++++---------------------
> + 2 files changed, 1520 insertions(+), 1483 deletions(-)
> +
> +diff --git a/tools/config.guess b/tools/config.guess
> +index da83314..445c406 100755
> +--- a/tools/config.guess
> ++++ b/tools/config.guess
> +@@ -1,14 +1,12 @@
> + #! /bin/sh
> + # Attempt to guess a canonical system name.
> +-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
> +-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
> +-#   Free Software Foundation, Inc.
> ++#   Copyright 1992-2018 Free Software Foundation, Inc.
> + 
> +-timestamp='2009-04-27'
> ++timestamp='2018-06-26'
> + 
> + # 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 2 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
> +@@ -17,26 +15,22 @@ timestamp='2009-04-27'
> + # General Public License for more details.
> + #
> + # You should have received a copy of the GNU General Public License
> +-# along with this program; if not, write to the Free Software
> +-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
> +-# 02110-1301, USA.
> ++# along with this program; if not, see <https://www.gnu.org/licenses/>.
> + #
> + # 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.
> +-
> +-
> +-# Originally written by Per Bothner <[email protected]>.
> +-# Please send patches to <[email protected]>.  Submit a context
> +-# diff and a properly formatted ChangeLog entry.
> ++# 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").
> + #
> +-# This script attempts to guess a canonical system name similar to
> +-# config.sub.  If it succeeds, it prints the system name on stdout, and
> +-# exits with 0.  Otherwise, it exits with 1.
> ++# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
> + #
> +-# The plan is that this can be called by configure scripts if you
> +-# don't specify an explicit build system type.
> ++# 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
> ++#
> ++# Please send patches to <[email protected]>.
> ++
> + 
> + me=`echo "$0" | sed -e 's,.*/,,'`
> + 
> +@@ -45,7 +39,7 @@ Usage: $0 [OPTION]
> + 
> + Output the configuration name of the system \`$me' is run on.
> + 
> +-Operation modes:
> ++Options:
> +   -h, --help         print this help, then exit
> +   -t, --time-stamp   print date of last modification, then exit
> +   -v, --version      print version number, then exit
> +@@ -56,8 +50,7 @@ version="\
> + GNU config.guess ($timestamp)
> + 
> + Originally written by Per Bothner.
> +-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
> +-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
> ++Copyright 1992-2018 Free Software Foundation, Inc.
> + 
> + This is free software; see the source for copying conditions.  There is NO
> + warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
> +@@ -113,10 +106,10 @@ trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 
> 2>/dev/null; exit 1" 1 2 13 15 ;
> +  { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 
> ; } ;
> + dummy=$tmp/dummy ;
> + tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
> +-case $CC_FOR_BUILD,$HOST_CC,$CC in
> +- ,,)    echo "int x;" > $dummy.c ;
> ++case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
> ++ ,,)    echo "int x;" > "$dummy.c" ;
> +     for c in cc gcc c89 c99 ; do
> +-      if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
> ++      if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
> +          CC_FOR_BUILD="$c"; break ;
> +       fi ;
> +     done ;
> +@@ -139,12 +132,40 @@ UNAME_RELEASE=`(uname -r) 2>/dev/null` || 
> UNAME_RELEASE=unknown
> + UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
> + UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
> + 
> ++case "$UNAME_SYSTEM" in
> ++Linux|GNU|GNU/*)
> ++    # If the system lacks a compiler, then just pick glibc.
> ++    # We could probably try harder.
> ++    LIBC=gnu
> ++
> ++    eval "$set_cc_for_build"
> ++    cat <<-EOF > "$dummy.c"
> ++    #include <features.h>
> ++    #if defined(__UCLIBC__)
> ++    LIBC=uclibc
> ++    #elif defined(__dietlibc__)
> ++    LIBC=dietlibc
> ++    #else
> ++    LIBC=gnu
> ++    #endif
> ++    EOF
> ++    eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, 
> ,,g'`"
> ++
> ++    # If ldd exists, use it to detect musl libc.
> ++    if command -v ldd >/dev/null && \
> ++            ldd --version 2>&1 | grep -q ^musl
> ++    then
> ++        LIBC=musl
> ++    fi
> ++    ;;
> ++esac
> ++
> + # Note: order is significant - the case branches are not exclusive.
> + 
> +-case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> ++case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
> +     *:NetBSD:*:*)
> +     # NetBSD (nbsd) targets should (where applicable) match one or
> +-    # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
> ++    # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
> +     # *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
> +     # switched to ELF, *-*-netbsd* would select the old
> +     # object file format.  This provides both forward
> +@@ -154,23 +175,33 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +     # 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=`(/sbin/$sysctl 2>/dev/null || \
> +-        /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
> +-    case "${UNAME_MACHINE_ARCH}" in
> ++    UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
> ++        "/sbin/$sysctl" 2>/dev/null || \
> ++        "/usr/sbin/$sysctl" 2>/dev/null || \
> ++        echo unknown)`
> ++    case "$UNAME_MACHINE_ARCH" in
> +         armeb) machine=armeb-unknown ;;
> +         arm*) machine=arm-unknown ;;
> +         sh3el) machine=shl-unknown ;;
> +         sh3eb) machine=sh-unknown ;;
> +         sh5el) machine=sh5le-unknown ;;
> +-        *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
> ++        earmv*)
> ++            arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 
> 's,^e\(armv[0-9]\).*$,\1,'`
> ++            endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 
> 's,^.*\(eb\)$,\1,p'`
> ++            machine="${arch}${endian}"-unknown
> ++            ;;
> ++        *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
> +     esac
> +     # The Operating System including object format, if it has switched
> +-    # to ELF recently, or will in the future.
> +-    case "${UNAME_MACHINE_ARCH}" in
> ++    # to ELF recently (or will in the future) and ABI.
> ++    case "$UNAME_MACHINE_ARCH" in
> ++        earm*)
> ++            os=netbsdelf
> ++            ;;
> +         arm*|i386|m68k|ns32k|sh3*|sparc|vax)
> +-            eval $set_cc_for_build
> ++            eval "$set_cc_for_build"
> +             if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
> +-                    | grep __ELF__ >/dev/null
> ++                    | grep -q __ELF__
> +             then
> +                 # Once all utilities can be ECOFF (netbsdecoff) or a.out 
> (netbsdaout).
> +                 # Return netbsd for either.  FIX?
> +@@ -180,7 +211,14 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +             fi
> +             ;;
> +         *)
> +-            os=netbsd
> ++            os=netbsd
> ++            ;;
> ++    esac
> ++    # Determine ABI tags.
> ++    case "$UNAME_MACHINE_ARCH" in
> ++        earm*)
> ++            expr='s/^earmv[0-9]/-eabi/;s/eb$//'
> ++            abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
> +             ;;
> +     esac
> +     # The OS release
> +@@ -188,42 +226,62 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +     # thus, need a distinct triplet. However, they do not need
> +     # kernel version information, so it can be replaced with a
> +     # suitable tag, in the style of linux-gnu.
> +-    case "${UNAME_VERSION}" in
> ++    case "$UNAME_VERSION" in
> +         Debian*)
> +             release='-gnu'
> +             ;;
> +         *)
> +-            release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
> ++            release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. 
> -f1,2`
> +             ;;
> +     esac
> +     # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
> +     # contains redundant information, the shorter form:
> +     # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
> +-    echo "${machine}-${os}${release}"
> ++    echo "$machine-${os}${release}${abi-}"
> ++    exit ;;
> ++    *:Bitrig:*:*)
> ++    UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
> ++    echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
> +     exit ;;
> +     *:OpenBSD:*:*)
> +     UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
> +-    echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
> ++    exit ;;
> ++    *:LibertyBSD:*:*)
> ++    UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
> ++    echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
> ++    exit ;;
> ++    *:MidnightBSD:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
> +     exit ;;
> +     *:ekkoBSD:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
> +     exit ;;
> +     *:SolidBSD:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
> +     exit ;;
> +     macppc:MirBSD:*:*)
> +-    echo powerpc-unknown-mirbsd${UNAME_RELEASE}
> ++    echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
> +     exit ;;
> +     *:MirBSD:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
> +     exit ;;
> ++    *:Sortix:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-sortix
> ++    exit ;;
> ++    *:Redox:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-redox
> ++    exit ;;
> ++    mips:OSF1:*.*)
> ++        echo mips-dec-osf1
> ++        exit ;;
> +     alpha:OSF1:*:*)
> +     case $UNAME_RELEASE in
> +     *4.0)
> +             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 $4}'`
> +             ;;
> +     esac
> +     # According to Compaq, /usr/sbin/psrinfo has been available on
> +@@ -233,60 +291,54 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +     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" ;;
> ++            UNAME_MACHINE=alpha ;;
> +         "EV4.5 (21064)")
> +-            UNAME_MACHINE="alpha" ;;
> ++            UNAME_MACHINE=alpha ;;
> +         "LCA4 (21066/21068)")
> +-            UNAME_MACHINE="alpha" ;;
> ++            UNAME_MACHINE=alpha ;;
> +         "EV5 (21164)")
> +-            UNAME_MACHINE="alphaev5" ;;
> ++            UNAME_MACHINE=alphaev5 ;;
> +         "EV5.6 (21164A)")
> +-            UNAME_MACHINE="alphaev56" ;;
> ++            UNAME_MACHINE=alphaev56 ;;
> +         "EV5.6 (21164PC)")
> +-            UNAME_MACHINE="alphapca56" ;;
> ++            UNAME_MACHINE=alphapca56 ;;
> +         "EV5.7 (21164PC)")
> +-            UNAME_MACHINE="alphapca57" ;;
> ++            UNAME_MACHINE=alphapca57 ;;
> +         "EV6 (21264)")
> +-            UNAME_MACHINE="alphaev6" ;;
> ++            UNAME_MACHINE=alphaev6 ;;
> +         "EV6.7 (21264A)")
> +-            UNAME_MACHINE="alphaev67" ;;
> ++            UNAME_MACHINE=alphaev67 ;;
> +         "EV6.8CB (21264C)")
> +-            UNAME_MACHINE="alphaev68" ;;
> ++            UNAME_MACHINE=alphaev68 ;;
> +         "EV6.8AL (21264B)")
> +-            UNAME_MACHINE="alphaev68" ;;
> ++            UNAME_MACHINE=alphaev68 ;;
> +         "EV6.8CX (21264D)")
> +-            UNAME_MACHINE="alphaev68" ;;
> ++            UNAME_MACHINE=alphaev68 ;;
> +         "EV6.9A (21264/EV69A)")
> +-            UNAME_MACHINE="alphaev69" ;;
> ++            UNAME_MACHINE=alphaev69 ;;
> +         "EV7 (21364)")
> +-            UNAME_MACHINE="alphaev7" ;;
> ++            UNAME_MACHINE=alphaev7 ;;
> +         "EV7.9 (21364A)")
> +-            UNAME_MACHINE="alphaev79" ;;
> ++            UNAME_MACHINE=alphaev79 ;;
> +     esac
> +     # A Pn.n version is a patched version.
> +     # A Vn.n version is a released version.
> +     # 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 ${UNAME_RELEASE} | sed -e 
> 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
> +-    exit ;;
> +-    Alpha\ *:Windows_NT*:*)
> +-    # How do we know it's Interix rather than the generic POSIX subsystem?
> +-    # Should we change UNAME_MACHINE based on the output of uname instead
> +-    # of the specific Alpha model?
> +-    echo alpha-pc-interix
> +-    exit ;;
> +-    21064:Windows_NT:50:3)
> +-    echo alpha-dec-winnt3.5
> +-    exit ;;
> ++    echo "$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
> ++    exit $exitcode ;;
> +     Amiga*:UNIX_System_V:4.0:*)
> +     echo m68k-unknown-sysv4
> +     exit ;;
> +     *:[Aa]miga[Oo][Ss]:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-amigaos
> ++    echo "$UNAME_MACHINE"-unknown-amigaos
> +     exit ;;
> +     *:[Mm]orph[Oo][Ss]:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-morphos
> ++    echo "$UNAME_MACHINE"-unknown-morphos
> +     exit ;;
> +     *:OS/390:*:*)
> +     echo i370-ibm-openedition
> +@@ -295,12 +347,12 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +     echo s390-ibm-zvmoe
> +     exit ;;
> +     *:OS400:*:*)
> +-        echo powerpc-ibm-os400
> ++    echo powerpc-ibm-os400
> +     exit ;;
> +     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
> +-    echo arm-acorn-riscix${UNAME_RELEASE}
> ++    echo arm-acorn-riscix"$UNAME_RELEASE"
> +     exit ;;
> +-    arm:riscos:*:*|arm:RISCOS:*:*)
> ++    arm*:riscos:*:*|arm*:RISCOS:*:*)
> +     echo arm-unknown-riscos
> +     exit ;;
> +     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
> +@@ -325,35 +377,38 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 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"
> +     exit ;;
> +     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
> +-    eval $set_cc_for_build
> +-    SUN_ARCH="i386"
> ++    eval "$set_cc_for_build"
> ++    SUN_ARCH=i386
> +     # If there is a compiler, see if it is configured for 64-bit objects.
> +     # Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
> +     # This test works for both compilers.
> +-    if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
> ++    if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
> +         if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
> +-            (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
> ++            (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
> +             grep IS_64BIT_ARCH >/dev/null
> +         then
> +-            SUN_ARCH="x86_64"
> ++            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
> +@@ -362,25 +417,25 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +             ;;
> +     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${UNAME_RELEASE}
> ++    echo m68k-sun-sunos"$UNAME_RELEASE"
> +     exit ;;
> +     sun*:*:4.2BSD:*)
> +     UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 
> 2>/dev/null`
> +-    test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
> ++    test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
> +     case "`/bin/arch`" in
> +         sun3)
> +-            echo m68k-sun-sunos${UNAME_RELEASE}
> ++            echo m68k-sun-sunos"$UNAME_RELEASE"
> +             ;;
> +         sun4)
> +-            echo sparc-sun-sunos${UNAME_RELEASE}
> ++            echo sparc-sun-sunos"$UNAME_RELEASE"
> +             ;;
> +     esac
> +     exit ;;
> +     aushp:SunOS:*:*)
> +-    echo sparc-auspex-sunos${UNAME_RELEASE}
> ++    echo sparc-auspex-sunos"$UNAME_RELEASE"
> +     exit ;;
> +     # The situation for MiNT is a little confusing.  The machine name
> +     # can be virtually everything (everything which is not
> +@@ -391,44 +446,44 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> +     # MiNT.  But MiNT is downward compatible to TOS, so this should
> +     # be no problem.
> +     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
> +-        echo m68k-atari-mint${UNAME_RELEASE}
> ++    echo m68k-atari-mint"$UNAME_RELEASE"
> +     exit ;;
> +     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
> +-    echo m68k-atari-mint${UNAME_RELEASE}
> +-        exit ;;
> ++    echo m68k-atari-mint"$UNAME_RELEASE"
> ++    exit ;;
> +     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
> +-        echo m68k-atari-mint${UNAME_RELEASE}
> ++    echo m68k-atari-mint"$UNAME_RELEASE"
> +     exit ;;
> +     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
> +-        echo m68k-milan-mint${UNAME_RELEASE}
> +-        exit ;;
> ++    echo m68k-milan-mint"$UNAME_RELEASE"
> ++    exit ;;
> +     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
> +-        echo m68k-hades-mint${UNAME_RELEASE}
> +-        exit ;;
> ++    echo m68k-hades-mint"$UNAME_RELEASE"
> ++    exit ;;
> +     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
> +-        echo m68k-unknown-mint${UNAME_RELEASE}
> +-        exit ;;
> ++    echo m68k-unknown-mint"$UNAME_RELEASE"
> ++    exit ;;
> +     m68k:machten:*:*)
> +-    echo m68k-apple-machten${UNAME_RELEASE}
> ++    echo m68k-apple-machten"$UNAME_RELEASE"
> +     exit ;;
> +     powerpc:machten:*:*)
> +-    echo powerpc-apple-machten${UNAME_RELEASE}
> ++    echo powerpc-apple-machten"$UNAME_RELEASE"
> +     exit ;;
> +     RISC*:Mach:*:*)
> +     echo mips-dec-mach_bsd4.3
> +     exit ;;
> +     RISC*:ULTRIX:*:*)
> +-    echo mips-dec-ultrix${UNAME_RELEASE}
> ++    echo mips-dec-ultrix"$UNAME_RELEASE"
> +     exit ;;
> +     VAX*:ULTRIX*:*:*)
> +-    echo vax-dec-ultrix${UNAME_RELEASE}
> ++    echo vax-dec-ultrix"$UNAME_RELEASE"
> +     exit ;;
> +     2020:CLIX:*:* | 2430:CLIX:*:*)
> +-    echo clipper-intergraph-clix${UNAME_RELEASE}
> ++    echo clipper-intergraph-clix"$UNAME_RELEASE"
> +     exit ;;
> +     mips:*:*:UMIPS | mips:*:*:RISCos)
> +-    eval $set_cc_for_build
> +-    sed 's/^        //' << EOF >$dummy.c
> ++    eval "$set_cc_for_build"
> ++    sed 's/^        //' << EOF > "$dummy.c"
> + #ifdef __cplusplus
> + #include <stdio.h>  /* for printf() prototype */
> +     int main (int argc, char *argv[]) {
> +@@ -437,23 +492,23 @@ case 
> "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
> + #endif
> +     #if defined (host_mips) && defined (MIPSEB)
> +     #if defined (SYSTYPE_SYSV)
> +-      printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
> ++      printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
> +     #endif
> +     #if defined (SYSTYPE_SVR4)
> +-      printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
> ++      printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
> +     #endif
> +     #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
> +-      printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
> ++      printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
> +     #endif
> +     #endif
> +       exit (-1);
> +     }
> + EOF
> +-    $CC_FOR_BUILD -o $dummy $dummy.c &&
> +-      dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
> +-      SYSTEM_NAME=`$dummy $dummyarg` &&
> ++    $CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
> ++      dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
> ++      SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
> +         { echo "$SYSTEM_NAME"; exit; }
> +-    echo mips-mips-riscos${UNAME_RELEASE}
> ++    echo mips-mips-riscos"$UNAME_RELEASE"
> +     exit ;;
> +     Motorola:PowerMAX_OS:*:*)
> +     echo powerpc-motorola-powermax
> +@@ -477,21 +532,21 @@ EOF
> +     echo m88k-motorola-sysv3
> +     exit ;;
> +     AViiON:dgux:*:*)
> +-        # DG/UX returns AViiON for all architectures
> +-        UNAME_PROCESSOR=`/usr/bin/uname -p`
> +-    if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
> ++    # DG/UX returns AViiON for all architectures
> ++    UNAME_PROCESSOR=`/usr/bin/uname -p`
> ++    if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ]
> +     then
> +-        if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
> +-           [ ${TARGET_BINARY_INTERFACE}x = x ]
> ++        if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \
> ++           [ "$TARGET_BINARY_INTERFACE"x = x ]
> +         then
> +-            echo m88k-dg-dgux${UNAME_RELEASE}
> ++            echo m88k-dg-dgux"$UNAME_RELEASE"
> +         else
> +-            echo m88k-dg-dguxbcs${UNAME_RELEASE}
> ++            echo m88k-dg-dguxbcs"$UNAME_RELEASE"
> +         fi
> +     else
> +-        echo i586-dg-dgux${UNAME_RELEASE}
> ++        echo i586-dg-dgux"$UNAME_RELEASE"
> +     fi
> +-    exit ;;
> ++    exit ;;
> +     M88*:DolphinOS:*:*)     # DolphinOS (SVR3)
> +     echo m88k-dolphin-sysv3
> +     exit ;;
> +@@ -506,7 +561,7 @@ 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
> +@@ -518,14 +573,14 @@ EOF
> +     if [ -x /usr/bin/oslevel ] ; then
> +             IBM_REV=`/usr/bin/oslevel`
> +     else
> +-            IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
> ++            IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
> +     fi
> +-    echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
> ++    echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV"
> +     exit ;;
> +     *:AIX:2:3)
> +     if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
> +-            eval $set_cc_for_build
> +-            sed 's/^                //' << EOF >$dummy.c
> ++            eval "$set_cc_for_build"
> ++            sed 's/^                //' << EOF > "$dummy.c"
> +             #include <sys/systemcfg.h>
> + 
> +             main()
> +@@ -536,7 +591,7 @@ 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
> +@@ -548,28 +603,29 @@ EOF
> +             echo rs6000-ibm-aix3.2
> +     fi
> +     exit ;;
> +-    *:AIX:*:[456])
> ++    *:AIX:*:[4567])
> +     IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk 
> '{ print $1 }'`
> +-    if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; 
> then
> ++    if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; 
> then
> +             IBM_ARCH=rs6000
> +     else
> +             IBM_ARCH=powerpc
> +     fi
> +-    if [ -x /usr/bin/oslevel ] ; then
> +-            IBM_REV=`/usr/bin/oslevel`
> ++    if [ -x /usr/bin/lslpp ] ; then
> ++            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}
> ++            IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
> +     fi
> +-    echo ${IBM_ARCH}-ibm-aix${IBM_REV}
> ++    echo "$IBM_ARCH"-ibm-aix"$IBM_REV"
> +     exit ;;
> +     *:AIX:*:*)
> +     echo rs6000-ibm-aix
> +     exit ;;
> +-    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
> ++    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
> +     echo romp-ibm-bsd4.4
> +     exit ;;
> +     ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
> +-    echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
> ++    echo romp-ibm-bsd"$UNAME_RELEASE"   # 4.3 with uname added to
> +     exit ;;                             # report: romp-ibm BSD 4.3
> +     *:BOSX:*:*)
> +     echo rs6000-bull-bosx
> +@@ -584,67 +640,67 @@ EOF
> +     echo m68k-hp-bsd4.4
> +     exit ;;
> +     9000/[34678]??:HP-UX:*:*)
> +-    HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
> +-    case "${UNAME_MACHINE}" in
> +-        9000/31? )            HP_ARCH=m68000 ;;
> +-        9000/[34]?? )         HP_ARCH=m68k ;;
> ++    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 [ -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`
> +-                    case "${sc_cpu_version}" in
> +-                      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
> +-                      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
> +-                      532)                      # CPU_PA_RISC2_0
> +-                        case "${sc_kernel_bits}" in
> +-                          32) HP_ARCH="hppa2.0n" ;;
> +-                          64) HP_ARCH="hppa2.0w" ;;
> +-                      '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
> +-                        esac ;;
> +-                    esac
> ++                sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
> ++                case "$sc_cpu_version" in
> ++                  523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
> ++                  528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
> ++                  532)                      # CPU_PA_RISC2_0
> ++                    case "$sc_kernel_bits" in
> ++                      32) HP_ARCH=hppa2.0n ;;
> ++                      64) HP_ARCH=hppa2.0w ;;
> ++                      '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
> ++                    esac ;;
> ++                esac
> +             fi
> +-            if [ "${HP_ARCH}" = "" ]; then
> +-                eval $set_cc_for_build
> +-                sed 's/^              //' << EOF >$dummy.c
> ++            if [ "$HP_ARCH" = "" ]; then
> ++                eval "$set_cc_for_build"
> ++                sed 's/^            //' << EOF > "$dummy.c"
> + 
> +-              #define _HPUX_SOURCE
> +-              #include <stdlib.h>
> +-              #include <unistd.h>
> ++            #define _HPUX_SOURCE
> ++            #include <stdlib.h>
> ++            #include <unistd.h>
> + 
> +-              int main ()
> +-              {
> +-              #if defined(_SC_KERNEL_BITS)
> +-                  long bits = sysconf(_SC_KERNEL_BITS);
> +-              #endif
> +-                  long cpu  = sysconf (_SC_CPU_VERSION);
> ++            int main ()
> ++            {
> ++            #if defined(_SC_KERNEL_BITS)
> ++                long bits = sysconf(_SC_KERNEL_BITS);
> ++            #endif
> ++                long cpu  = sysconf (_SC_CPU_VERSION);
> + 
> +-                  switch (cpu)
> +-                    {
> +-                    case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
> +-                    case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
> +-                    case CPU_PA_RISC2_0:
> +-              #if defined(_SC_KERNEL_BITS)
> +-                        switch (bits)
> +-                            {
> +-                            case 64: puts ("hppa2.0w"); break;
> +-                            case 32: puts ("hppa2.0n"); break;
> +-                            default: puts ("hppa2.0"); break;
> +-                            } break;
> +-              #else  /* !defined(_SC_KERNEL_BITS) */
> +-                        puts ("hppa2.0"); break;
> +-              #endif
> +-                    default: puts ("hppa1.0"); break;
> +-                    }
> +-                  exit (0);
> +-              }
> ++                switch (cpu)
> ++                    {
> ++                    case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
> ++                    case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
> ++                    case CPU_PA_RISC2_0:
> ++            #if defined(_SC_KERNEL_BITS)
> ++                        switch (bits)
> ++                            {
> ++                            case 64: puts ("hppa2.0w"); break;
> ++                            case 32: puts ("hppa2.0n"); break;
> ++                            default: puts ("hppa2.0"); break;
> ++                            } break;
> ++            #else  /* !defined(_SC_KERNEL_BITS) */
> ++                        puts ("hppa2.0"); break;
> ++            #endif
> ++                    default: puts ("hppa1.0"); break;
> ++                    }
> ++                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
> +-    if [ ${HP_ARCH} = "hppa2.0w" ]
> ++    if [ "$HP_ARCH" = hppa2.0w ]
> +     then
> +-        eval $set_cc_for_build
> ++        eval "$set_cc_for_build"
> + 
> +         # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
> +         # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
> +@@ -655,23 +711,23 @@ EOF
> +         # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
> +         # => hppa64-hp-hpux11.23
> + 
> +-        if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
> +-            grep __LP64__ >/dev/null
> ++        if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
> ++            grep -q __LP64__
> +         then
> +-            HP_ARCH="hppa2.0w"
> ++            HP_ARCH=hppa2.0w
> +         else
> +-            HP_ARCH="hppa64"
> ++            HP_ARCH=hppa64
> +         fi
> +     fi
> +-    echo ${HP_ARCH}-hp-hpux${HPUX_REV}
> ++    echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
> +     exit ;;
> +     ia64:HP-UX:*:*)
> +-    HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
> +-    echo ia64-hp-hpux${HPUX_REV}
> ++    HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
> ++    echo ia64-hp-hpux"$HPUX_REV"
> +     exit ;;
> +     3050*:HI-UX:*:*)
> +-    eval $set_cc_for_build
> +-    sed 's/^        //' << EOF >$dummy.c
> ++    eval "$set_cc_for_build"
> ++    sed 's/^        //' << EOF > "$dummy.c"
> +     #include <unistd.h>
> +     int
> +     main ()
> +@@ -696,11 +752,11 @@ 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 ;;
> +-    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
> ++    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
> +     echo hppa1.1-hp-bsd
> +     exit ;;
> +     9000/8??:4.3bsd:*:*)
> +@@ -709,7 +765,7 @@ EOF
> +     *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
> +     echo hppa1.0-hp-mpeix
> +     exit ;;
> +-    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
> ++    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
> +     echo hppa1.1-hp-osf
> +     exit ;;
> +     hp8??:OSF1:*:*)
> +@@ -717,9 +773,9 @@ EOF
> +     exit ;;
> +     i*86:OSF1:*:*)
> +     if [ -x /usr/sbin/sysversion ] ; then
> +-        echo ${UNAME_MACHINE}-unknown-osf1mk
> ++        echo "$UNAME_MACHINE"-unknown-osf1mk
> +     else
> +-        echo ${UNAME_MACHINE}-unknown-osf1
> ++        echo "$UNAME_MACHINE"-unknown-osf1
> +     fi
> +     exit ;;
> +     parisc*:Lites*:*:*)
> +@@ -727,325 +783,274 @@ EOF
> +     exit ;;
> +     C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
> +     echo c1-convex-bsd
> +-        exit ;;
> ++    exit ;;
> +     C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
> +     if getsysinfo -f scalar_acc
> +     then echo c32-convex-bsd
> +     else echo c2-convex-bsd
> +     fi
> +-        exit ;;
> ++    exit ;;
> +     C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
> +     echo c34-convex-bsd
> +-        exit ;;
> ++    exit ;;
> +     C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
> +     echo c38-convex-bsd
> +-        exit ;;
> ++    exit ;;
> +     C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
> +     echo c4-convex-bsd
> +-        exit ;;
> ++    exit ;;
> +     CRAY*Y-MP:*:*:*)
> +-    echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
> ++    echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
> +     exit ;;
> +     CRAY*[A-Z]90:*:*:*)
> +-    echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
> ++    echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
> +     | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
> +           -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
> +           -e 's/\.[^.]*$/.X/'
> +     exit ;;
> +     CRAY*TS:*:*:*)
> +-    echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
> ++    echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
> +     exit ;;
> +     CRAY*T3E:*:*:*)
> +-    echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
> ++    echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
> +     exit ;;
> +     CRAY*SV1:*:*:*)
> +-    echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
> ++    echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
> +     exit ;;
> +     *:UNICOS/mp:*:*)
> +-    echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
> ++    echo craynv-cray-unicosmp"$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 ${UNAME_RELEASE} | sed -e 's/ /_/'`
> +-        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
> +-        exit ;;
> ++    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 ${UNAME_RELEASE} | tr 
> 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
> +-        echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
> ++    FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ 
> abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
> ++    FUJITSU_REL=`echo "$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:*:*)
> +-    echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE"
> +     exit ;;
> +     sparc*:BSD/OS:*:*)
> +-    echo sparc-unknown-bsdi${UNAME_RELEASE}
> ++    echo sparc-unknown-bsdi"$UNAME_RELEASE"
> +     exit ;;
> +     *:BSD/OS:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
> +     exit ;;
> +     *:FreeBSD:*:*)
> +-    case ${UNAME_MACHINE} in
> +-        pc98)
> +-            echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 
> 's/[-(].*//'` ;;
> ++    UNAME_PROCESSOR=`/usr/bin/uname -p`
> ++    case "$UNAME_PROCESSOR" in
> +         amd64)
> +-            echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 
> 's/[-(].*//'` ;;
> +-        *)
> +-            echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed 
> -e 's/[-(].*//'` ;;
> ++            UNAME_PROCESSOR=x86_64 ;;
> ++        i386)
> ++            UNAME_PROCESSOR=i586 ;;
> +     esac
> ++    echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 
> 's/[-(].*//'`"
> +     exit ;;
> +     i*:CYGWIN*:*)
> +-    echo ${UNAME_MACHINE}-pc-cygwin
> ++    echo "$UNAME_MACHINE"-pc-cygwin
> ++    exit ;;
> ++    *:MINGW64*:*)
> ++    echo "$UNAME_MACHINE"-pc-mingw64
> +     exit ;;
> +     *:MINGW*:*)
> +-    echo ${UNAME_MACHINE}-pc-mingw32
> ++    echo "$UNAME_MACHINE"-pc-mingw32
> +     exit ;;
> +-    i*:windows32*:*)
> +-            # uname -m includes "-pc" on this system.
> +-            echo ${UNAME_MACHINE}-mingw32
> ++    *:MSYS*:*)
> ++    echo "$UNAME_MACHINE"-pc-msys
> +     exit ;;
> +     i*:PW*:*)
> +-    echo ${UNAME_MACHINE}-pc-pw32
> ++    echo "$UNAME_MACHINE"-pc-pw32
> +     exit ;;
> +-    *:Interix*:[3456]*)
> +-            case ${UNAME_MACHINE} in
> ++    *:Interix*:*)
> ++    case "$UNAME_MACHINE" in
> +         x86)
> +-            echo i586-pc-interix${UNAME_RELEASE}
> ++            echo i586-pc-interix"$UNAME_RELEASE"
> +             exit ;;
> +-        EM64T | authenticamd | genuineintel)
> +-            echo x86_64-unknown-interix${UNAME_RELEASE}
> ++        authenticamd | genuineintel | EM64T)
> ++            echo x86_64-unknown-interix"$UNAME_RELEASE"
> +             exit ;;
> +         IA64)
> +-            echo ia64-unknown-interix${UNAME_RELEASE}
> ++            echo ia64-unknown-interix"$UNAME_RELEASE"
> +             exit ;;
> +     esac ;;
> +-    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
> +-    echo i${UNAME_MACHINE}-pc-mks
> +-    exit ;;
> +-    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
> +-    # How do we know it's Interix rather than the generic POSIX subsystem?
> +-    # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
> +-    # UNAME_MACHINE based on the output of uname instead of i386?
> +-    echo i586-pc-interix
> +-    exit ;;
> +     i*:UWIN*:*)
> +-    echo ${UNAME_MACHINE}-pc-uwin
> ++    echo "$UNAME_MACHINE"-pc-uwin
> +     exit ;;
> +     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
> +     echo x86_64-unknown-cygwin
> +     exit ;;
> +-    p*:CYGWIN*:*)
> +-    echo powerpcle-unknown-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-gnu`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 '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
> ++    echo "$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
> +     exit ;;
> +-    i*86:Minix:*:*)
> +-    echo ${UNAME_MACHINE}-pc-minix
> ++    aarch64:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    aarch64_be:Linux:*:*)
> ++    UNAME_MACHINE=aarch64_be
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    alpha:Linux:*:*)
> ++    case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
> ++      EV5)   UNAME_MACHINE=alphaev5 ;;
> ++      EV56)  UNAME_MACHINE=alphaev56 ;;
> ++      PCA56) UNAME_MACHINE=alphapca56 ;;
> ++      PCA57) UNAME_MACHINE=alphapca56 ;;
> ++      EV6)   UNAME_MACHINE=alphaev6 ;;
> ++      EV67)  UNAME_MACHINE=alphaev67 ;;
> ++      EV68*) UNAME_MACHINE=alphaev68 ;;
> ++    esac
> ++    objdump --private-headers /bin/sh | grep -q ld.so.1
> ++    if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    arc:Linux:*:* | arceb:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     arm*:Linux:*:*)
> +-    eval $set_cc_for_build
> ++    eval "$set_cc_for_build"
> +     if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
> +         | grep -q __ARM_EABI__
> +     then
> +-        echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     else
> +-        echo ${UNAME_MACHINE}-unknown-linux-gnueabi
> ++        if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
> ++            | grep -q __ARM_PCS_VFP
> ++        then
> ++            echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi
> ++        else
> ++            echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf
> ++        fi
> +     fi
> +     exit ;;
> +     avr32*:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     cris:Linux:*:*)
> +-    echo cris-axis-linux-gnu
> ++    echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
> +     exit ;;
> +     crisv32:Linux:*:*)
> +-    echo crisv32-axis-linux-gnu
> ++    echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
> ++    exit ;;
> ++    e2k:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     frv:Linux:*:*)
> +-            echo frv-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    hexagon:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    i*86:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
> +     exit ;;
> +     ia64:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    k1om:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     m32r*:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     m68*:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +-    mips:Linux:*:*)
> +-    eval $set_cc_for_build
> +-    sed 's/^        //' << EOF >$dummy.c
> +-    #undef CPU
> +-    #undef mips
> +-    #undef mipsel
> +-    #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || 
> defined(MIPSEL)
> +-    CPU=mipsel
> +-    #else
> +-    #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || 
> defined(MIPSEB)
> +-    CPU=mips
> +-    #else
> +-    CPU=
> +-    #endif
> +-    #endif
> +-EOF
> +-    eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
> +-        /^CPU/{
> +-            s: ::g
> +-            p
> +-        }'`"
> +-    test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
> +-    ;;
> +-    mips64:Linux:*:*)
> +-    eval $set_cc_for_build
> +-    sed 's/^        //' << EOF >$dummy.c
> ++    mips:Linux:*:* | mips64:Linux:*:*)
> ++    eval "$set_cc_for_build"
> ++    sed 's/^        //' << EOF > "$dummy.c"
> +     #undef CPU
> +-    #undef mips64
> +-    #undef mips64el
> ++    #undef ${UNAME_MACHINE}
> ++    #undef ${UNAME_MACHINE}el
> +     #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || 
> defined(MIPSEL)
> +-    CPU=mips64el
> ++    CPU=${UNAME_MACHINE}el
> +     #else
> +     #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || 
> defined(MIPSEB)
> +-    CPU=mips64
> ++    CPU=${UNAME_MACHINE}
> +     #else
> +     CPU=
> +     #endif
> +     #endif
> + EOF
> +-    eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
> +-        /^CPU/{
> +-            s: ::g
> +-            p
> +-        }'`"
> +-    test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
> ++    eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU'`"
> ++    test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; }
> +     ;;
> +-    or32:Linux:*:*)
> +-    echo or32-unknown-linux-gnu
> ++    mips64el:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +-    ppc:Linux:*:*)
> +-    echo powerpc-unknown-linux-gnu
> ++    openrisc*:Linux:*:*)
> ++    echo or1k-unknown-linux-"$LIBC"
> +     exit ;;
> +-    ppc64:Linux:*:*)
> +-    echo powerpc64-unknown-linux-gnu
> +-    exit ;;
> +-    alpha:Linux:*:*)
> +-    case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
> +-      EV5)   UNAME_MACHINE=alphaev5 ;;
> +-      EV56)  UNAME_MACHINE=alphaev56 ;;
> +-      PCA56) UNAME_MACHINE=alphapca56 ;;
> +-      PCA57) UNAME_MACHINE=alphapca56 ;;
> +-      EV6)   UNAME_MACHINE=alphaev6 ;;
> +-      EV67)  UNAME_MACHINE=alphaev67 ;;
> +-      EV68*) UNAME_MACHINE=alphaev68 ;;
> +-        esac
> +-    objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
> +-    if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
> ++    or32:Linux:*:* | or1k*:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     padre:Linux:*:*)
> +-    echo sparc-unknown-linux-gnu
> ++    echo sparc-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    parisc64:Linux:*:* | hppa64:Linux:*:*)
> ++    echo hppa64-unknown-linux-"$LIBC"
> +     exit ;;
> +     parisc:Linux:*:* | hppa:Linux:*:*)
> +     # Look for CPU level
> +     case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
> +-      PA7*) echo hppa1.1-unknown-linux-gnu ;;
> +-      PA8*) echo hppa2.0-unknown-linux-gnu ;;
> +-      *)    echo hppa-unknown-linux-gnu ;;
> ++      PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
> ++      PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
> ++      *)    echo hppa-unknown-linux-"$LIBC" ;;
> +     esac
> +     exit ;;
> +-    parisc64:Linux:*:* | hppa64:Linux:*:*)
> +-    echo hppa64-unknown-linux-gnu
> ++    ppc64:Linux:*:*)
> ++    echo powerpc64-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    ppc:Linux:*:*)
> ++    echo powerpc-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    ppc64le:Linux:*:*)
> ++    echo powerpc64le-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    ppcle:Linux:*:*)
> ++    echo powerpcle-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    riscv32:Linux:*:* | riscv64:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     s390:Linux:*:* | s390x:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-ibm-linux
> ++    echo "$UNAME_MACHINE"-ibm-linux-"$LIBC"
> +     exit ;;
> +     sh64*:Linux:*:*)
> +-            echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     sh*:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     sparc:Linux:*:* | sparc64:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> ++    exit ;;
> ++    tile*:Linux:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +     vax:Linux:*:*)
> +-    echo ${UNAME_MACHINE}-dec-linux-gnu
> ++    echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
> +     exit ;;
> +     x86_64:Linux:*:*)
> +-    echo x86_64-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
> +     exit ;;
> +     xtensa*:Linux:*:*)
> +-            echo ${UNAME_MACHINE}-unknown-linux-gnu
> ++    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
> +     exit ;;
> +-    i*86:Linux:*:*)
> +-    # The BFD linker knows what the default object file format is, so
> +-    # first see if it will tell us. cd to the root directory to prevent
> +-    # problems with other programs or directories called `ld' in the path.
> +-    # Set LC_ALL=C to ensure ld outputs messages in English.
> +-    ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
> +-                     | sed -ne '/supported targets:/!d
> +-                                s/[         ][      ]*/ /g
> +-                                s/.*supported targets: *//
> +-                                s/ .*//
> +-                                p'`
> +-        case "$ld_supported_targets" in
> +-      elf32-i386)
> +-            TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
> +-            ;;
> +-      a.out-i386-linux)
> +-            echo "${UNAME_MACHINE}-pc-linux-gnuaout"
> +-            exit ;;
> +-      "")
> +-            # Either a pre-BFD a.out linker (linux-gnuoldld) or
> +-            # one that does not give us useful --help.
> +-            echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
> +-            exit ;;
> +-    esac
> +-    # Determine whether the default compiler is a.out or elf
> +-    eval $set_cc_for_build
> +-    sed 's/^        //' << EOF >$dummy.c
> +-    #include <features.h>
> +-    #ifdef __ELF__
> +-    # ifdef __GLIBC__
> +-    #  if __GLIBC__ >= 2
> +-    LIBC=gnu
> +-    #  else
> +-    LIBC=gnulibc1
> +-    #  endif
> +-    # else
> +-    LIBC=gnulibc1
> +-    # endif
> +-    #else
> +-    #if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) 
> || defined(__SUNPRO_CC)
> +-    LIBC=gnu
> +-    #else
> +-    LIBC=gnuaout
> +-    #endif
> +-    #endif
> +-    #ifdef __dietlibc__
> +-    LIBC=dietlibc
> +-    #endif
> +-EOF
> +-    eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
> +-        /^LIBC/{
> +-            s: ::g
> +-            p
> +-        }'`"
> +-    test x"${LIBC}" != x && {
> +-            echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
> +-            exit
> +-    }
> +-    test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
> +-    ;;
> +     i*86:DYNIX/ptx:4*:*)
> +     # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
> +     # earlier versions are messed up and put the nodename in both
> +@@ -1053,54 +1058,54 @@ EOF
> +     echo i386-sequent-sysv4
> +     exit ;;
> +     i*86:UNIX_SV:4.2MP:2.*)
> +-        # Unixware is an offshoot of SVR4, but it has its own version
> +-        # number series starting with 2...
> +-        # I am not positive that other SVR4 systems won't match this,
> ++    # Unixware is an offshoot of SVR4, but it has its own version
> ++    # number series starting with 2...
> ++    # I am not positive that other SVR4 systems won't match this,
> +     # I just have to hope.  -- rms.
> +-        # Use sysv4.2uw... so that sysv4* matches it.
> +-    echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
> ++    # Use sysv4.2uw... so that sysv4* matches it.
> ++    echo "$UNAME_MACHINE"-pc-sysv4.2uw"$UNAME_VERSION"
> +     exit ;;
> +     i*86:OS/2:*:*)
> +     # If we were able to find `uname', then EMX Unix compatibility
> +     # is probably installed.
> +-    echo ${UNAME_MACHINE}-pc-os2-emx
> ++    echo "$UNAME_MACHINE"-pc-os2-emx
> +     exit ;;
> +     i*86:XTS-300:*:STOP)
> +-    echo ${UNAME_MACHINE}-unknown-stop
> ++    echo "$UNAME_MACHINE"-unknown-stop
> +     exit ;;
> +     i*86:atheos:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-atheos
> ++    echo "$UNAME_MACHINE"-unknown-atheos
> +     exit ;;
> +     i*86:syllable:*:*)
> +-    echo ${UNAME_MACHINE}-pc-syllable
> ++    echo "$UNAME_MACHINE"-pc-syllable
> +     exit ;;
> +-    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
> +-    echo i386-unknown-lynxos${UNAME_RELEASE}
> ++    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
> ++    echo i386-unknown-lynxos"$UNAME_RELEASE"
> +     exit ;;
> +     i*86:*DOS:*:*)
> +-    echo ${UNAME_MACHINE}-pc-msdosdjgpp
> ++    echo "$UNAME_MACHINE"-pc-msdosdjgpp
> +     exit ;;
> +-    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
> +-    UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
> ++    i*86:*:4.*:*)
> ++    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}
> ++            echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
> +     else
> +-            echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
> ++            echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL"
> +     fi
> +     exit ;;
> +     i*86:*:5:[678]*)
> +-            # UnixWare 7.x, OpenUNIX and OpenServer 6.
> ++    # UnixWare 7.x, OpenUNIX and OpenServer 6.
> +     case `/bin/uname -X | grep "^Machine"` in
> +         *486*)           UNAME_MACHINE=i486 ;;
> +         *Pentium)        UNAME_MACHINE=i586 ;;
> +         *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
> +     esac
> +-    echo 
> ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
> ++    echo 
> "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}{$UNAME_VERSION}"
> +     exit ;;
> +     i*86:*:3.2:*)
> +     if test -f /usr/options/cb.name; then
> +             UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
> +-            echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
> ++            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/.*= //')`
> +             (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
> +@@ -1110,20 +1115,20 @@ EOF
> +                     && UNAME_MACHINE=i686
> +             (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
> +                     && UNAME_MACHINE=i686
> +-            echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
> ++            echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL"
> +     else
> +-            echo ${UNAME_MACHINE}-pc-sysv32
> ++            echo "$UNAME_MACHINE"-pc-sysv32
> +     fi
> +     exit ;;
> +     pc:*:*:*)
> +     # Left here for compatibility:
> +-        # uname -m prints for DJGPP always 'pc', but it prints nothing about
> +-        # the processor, so we play safe by assuming i586.
> ++    # uname -m prints for DJGPP always 'pc', but it prints nothing about
> ++    # the processor, so we play safe by assuming i586.
> +     # Note: whatever this is, it MUST be the same as what config.sub
> +-    # prints for the "djgpp" host, or else GDB configury will decide that
> ++    # prints for the "djgpp" host, or else GDB configure will decide that
> +     # this is a cross-build.
> +     echo i586-pc-msdosdjgpp
> +-        exit ;;
> ++    exit ;;
> +     Intel:Mach:3*:*)
> +     echo i386-pc-mach3
> +     exit ;;
> +@@ -1132,9 +1137,9 @@ EOF
> +     exit ;;
> +     i860:*:4.*:*) # i860-SVR4
> +     if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
> +-      echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
> ++      echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4
> +     else # Add other i860-SVR4 vendors below as they are discovered.
> +-      echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
> ++      echo i860-unknown-sysv"$UNAME_RELEASE"  # Unknown i860-SVR4
> +     fi
> +     exit ;;
> +     mini*:CTIX:SYS*5:*)
> +@@ -1154,39 +1159,39 @@ EOF
> +     test -r /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${OS_REL}; exit; }
> ++      && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
> +     /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
> +-      && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
> ++      && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
> +     3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
> +-        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
> +-          && { echo i486-ncr-sysv4; exit; } ;;
> ++    /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
> ++      && { echo i486-ncr-sysv4; exit; } ;;
> +     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`
> +     /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
> +-        && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
> ++        && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
> +     /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
> +-        && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
> ++        && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
> +     /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
> +-        && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
> ++        && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
> +     m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
> +-    echo m68k-unknown-lynxos${UNAME_RELEASE}
> ++    echo m68k-unknown-lynxos"$UNAME_RELEASE"
> +     exit ;;
> +     mc68030:UNIX_System_V:4.*:*)
> +     echo m68k-atari-sysv4
> +     exit ;;
> +     TSUNAMI:LynxOS:2.*:*)
> +-    echo sparc-unknown-lynxos${UNAME_RELEASE}
> ++    echo sparc-unknown-lynxos"$UNAME_RELEASE"
> +     exit ;;
> +     rs6000:LynxOS:2.*:*)
> +-    echo rs6000-unknown-lynxos${UNAME_RELEASE}
> ++    echo rs6000-unknown-lynxos"$UNAME_RELEASE"
> +     exit ;;
> +-    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
> +-    echo powerpc-unknown-lynxos${UNAME_RELEASE}
> ++    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | 
> PowerPC:LynxOS:4.[02]*:*)
> ++    echo powerpc-unknown-lynxos"$UNAME_RELEASE"
> +     exit ;;
> +     SM[BE]S:UNIX_SV:*:*)
> +-    echo mips-dde-sysv${UNAME_RELEASE}
> ++    echo mips-dde-sysv"$UNAME_RELEASE"
> +     exit ;;
> +     RM*:ReliantUNIX-*:*:*)
> +     echo mips-sni-sysv4
> +@@ -1197,15 +1202,15 @@ EOF
> +     *:SINIX-*:*:*)
> +     if uname -p 2>/dev/null >/dev/null ; then
> +             UNAME_MACHINE=`(uname -p) 2>/dev/null`
> +-            echo ${UNAME_MACHINE}-sni-sysv4
> ++            echo "$UNAME_MACHINE"-sni-sysv4
> +     else
> +             echo ns32k-sni-sysv
> +     fi
> +     exit ;;
> +-    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
> +-                      # says <[email protected]>
> +-        echo i586-unisys-sysv4
> +-        exit ;;
> ++    PENTIUM:*:4.0*:*)       # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
> ++                    # says <[email protected]>
> ++    echo i586-unisys-sysv4
> ++    exit ;;
> +     *:UNIX_System_V:4*:FTX*)
> +     # From Gerald Hewes <[email protected]>.
> +     # How about differentiating between stratus architectures? -djm
> +@@ -1217,25 +1222,25 @@ EOF
> +     exit ;;
> +     i*86:VOS:*:*)
> +     # From [email protected].
> +-    echo ${UNAME_MACHINE}-stratus-vos
> ++    echo "$UNAME_MACHINE"-stratus-vos
> +     exit ;;
> +     *:VOS:*:*)
> +     # From [email protected].
> +     echo hppa1.1-stratus-vos
> +     exit ;;
> +     mc68*:A/UX:*:*)
> +-    echo m68k-apple-aux${UNAME_RELEASE}
> ++    echo m68k-apple-aux"$UNAME_RELEASE"
> +     exit ;;
> +     news*:NEWS-OS:6*:*)
> +     echo mips-sony-newsos6
> +     exit ;;
> +     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
> +     if [ -d /usr/nec ]; then
> +-            echo mips-nec-sysv${UNAME_RELEASE}
> ++            echo mips-nec-sysv"$UNAME_RELEASE"
> +     else
> +-            echo mips-unknown-sysv${UNAME_RELEASE}
> ++            echo mips-unknown-sysv"$UNAME_RELEASE"
> +     fi
> +-        exit ;;
> ++    exit ;;
> +     BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
> +     echo powerpc-be-beos
> +     exit ;;
> +@@ -1248,53 +1253,97 @@ EOF
> +     BePC:Haiku:*:*) # Haiku running on Intel PC compatible.
> +     echo i586-pc-haiku
> +     exit ;;
> ++    x86_64:Haiku:*:*)
> ++    echo x86_64-unknown-haiku
> ++    exit ;;
> +     SX-4:SUPER-UX:*:*)
> +-    echo sx4-nec-superux${UNAME_RELEASE}
> ++    echo sx4-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     SX-5:SUPER-UX:*:*)
> +-    echo sx5-nec-superux${UNAME_RELEASE}
> ++    echo sx5-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     SX-6:SUPER-UX:*:*)
> +-    echo sx6-nec-superux${UNAME_RELEASE}
> ++    echo sx6-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     SX-7:SUPER-UX:*:*)
> +-    echo sx7-nec-superux${UNAME_RELEASE}
> ++    echo sx7-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     SX-8:SUPER-UX:*:*)
> +-    echo sx8-nec-superux${UNAME_RELEASE}
> ++    echo sx8-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     SX-8R:SUPER-UX:*:*)
> +-    echo sx8r-nec-superux${UNAME_RELEASE}
> ++    echo sx8r-nec-superux"$UNAME_RELEASE"
> ++    exit ;;
> ++    SX-ACE:SUPER-UX:*:*)
> ++    echo sxace-nec-superux"$UNAME_RELEASE"
> +     exit ;;
> +     Power*:Rhapsody:*:*)
> +-    echo powerpc-apple-rhapsody${UNAME_RELEASE}
> ++    echo powerpc-apple-rhapsody"$UNAME_RELEASE"
> +     exit ;;
> +     *:Rhapsody:*:*)
> +-    echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
> +     exit ;;
> +     *:Darwin:*:*)
> +     UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
> +-    case $UNAME_PROCESSOR in
> +-        unknown) UNAME_PROCESSOR=powerpc ;;
> +-    esac
> +-    echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
> ++    eval "$set_cc_for_build"
> ++    if test "$UNAME_PROCESSOR" = unknown ; then
> ++        UNAME_PROCESSOR=powerpc
> ++    fi
> ++    if test "`echo "$UNAME_RELEASE" | sed -e 's/\..*//'`" -le 10 ; then
> ++        if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
> ++            if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') 
> | \
> ++                   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
> ++                   grep IS_64BIT_ARCH >/dev/null
> ++            then
> ++                case $UNAME_PROCESSOR in
> ++                    i386) UNAME_PROCESSOR=x86_64 ;;
> ++                    powerpc) UNAME_PROCESSOR=powerpc64 ;;
> ++                esac
> ++            fi
> ++            # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
> ++            if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
> ++                   (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
> ++                   grep IS_PPC >/dev/null
> ++            then
> ++                UNAME_PROCESSOR=powerpc
> ++            fi
> ++        fi
> ++    elif test "$UNAME_PROCESSOR" = i386 ; then
> ++        # Avoid executing cc on OS X 10.9, as it ships with a stub
> ++        # that puts up a graphical alert prompting to install
> ++        # developer tools.  Any system running Mac OS X 10.7 or
> ++        # later (Darwin 11 and later) is required to have a 64-bit
> ++        # processor. This is not true of the ARM version of Darwin
> ++        # that Apple uses in portable devices.
> ++        UNAME_PROCESSOR=x86_64
> ++    fi
> ++    echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
> +     exit ;;
> +     *:procnto*:*:* | *:QNX:[0123456789]*:*)
> +     UNAME_PROCESSOR=`uname -p`
> +-    if test "$UNAME_PROCESSOR" = "x86"; then
> ++    if test "$UNAME_PROCESSOR" = x86; then
> +             UNAME_PROCESSOR=i386
> +             UNAME_MACHINE=pc
> +     fi
> +-    echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
> ++    echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE"
> +     exit ;;
> +     *:QNX:*:4*)
> +     echo i386-pc-qnx
> +     exit ;;
> +-    NSE-?:NONSTOP_KERNEL:*:*)
> +-    echo nse-tandem-nsk${UNAME_RELEASE}
> ++    NEO-*:NONSTOP_KERNEL:*:*)
> ++    echo neo-tandem-nsk"$UNAME_RELEASE"
> ++    exit ;;
> ++    NSE-*:NONSTOP_KERNEL:*:*)
> ++    echo nse-tandem-nsk"$UNAME_RELEASE"
> ++    exit ;;
> ++    NSR-*:NONSTOP_KERNEL:*:*)
> ++    echo nsr-tandem-nsk"$UNAME_RELEASE"
> +     exit ;;
> +-    NSR-?:NONSTOP_KERNEL:*:*)
> +-    echo nsr-tandem-nsk${UNAME_RELEASE}
> ++    NSV-*:NONSTOP_KERNEL:*:*)
> ++    echo nsv-tandem-nsk"$UNAME_RELEASE"
> ++    exit ;;
> ++    NSX-*:NONSTOP_KERNEL:*:*)
> ++    echo nsx-tandem-nsk"$UNAME_RELEASE"
> +     exit ;;
> +     *:NonStop-UX:*:*)
> +     echo mips-compaq-nonstopux
> +@@ -1303,18 +1352,18 @@ EOF
> +     echo bs2000-siemens-sysv
> +     exit ;;
> +     DS/*:UNIX_System_V:*:*)
> +-    echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
> ++    echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE"
> +     exit ;;
> +     *:Plan9:*:*)
> +     # "uname -m" is not consistent, so use $cputype instead. 386
> +     # is converted to i386 for consistency with other x86
> +     # operating systems.
> +-    if test "$cputype" = "386"; then
> ++    if test "$cputype" = 386; then
> +         UNAME_MACHINE=i386
> +     else
> +         UNAME_MACHINE="$cputype"
> +     fi
> +-    echo ${UNAME_MACHINE}-unknown-plan9
> ++    echo "$UNAME_MACHINE"-unknown-plan9
> +     exit ;;
> +     *:TOPS-10:*:*)
> +     echo pdp10-unknown-tops10
> +@@ -1335,14 +1384,14 @@ EOF
> +     echo pdp10-unknown-its
> +     exit ;;
> +     SEI:*:*:SEIUX)
> +-        echo mips-sei-seiux${UNAME_RELEASE}
> ++    echo mips-sei-seiux"$UNAME_RELEASE"
> +     exit ;;
> +     *:DragonFly:*:*)
> +-    echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 
> 's/[-(].*//'`
> ++    echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 
> 's/[-(].*//'`"
> +     exit ;;
> +     *:*VMS:*:*)
> +-            UNAME_MACHINE=`(uname -p) 2>/dev/null`
> +-    case "${UNAME_MACHINE}" in
> ++    UNAME_MACHINE=`(uname -p) 2>/dev/null`
> ++    case "$UNAME_MACHINE" in
> +         A*) echo alpha-dec-vms ; exit ;;
> +         I*) echo ia64-dec-vms ; exit ;;
> +         V*) echo vax-dec-vms ; exit ;;
> +@@ -1351,182 +1400,48 @@ 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 ${UNAME_MACHINE}-pc-rdos
> ++    echo "$UNAME_MACHINE"-pc-rdos
> +     exit ;;
> +     i*86:AROS:*:*)
> +-    echo ${UNAME_MACHINE}-pc-aros
> ++    echo "$UNAME_MACHINE"-pc-aros
> ++    exit ;;
> ++    x86_64:VMkernel:*:*)
> ++    echo "$UNAME_MACHINE"-unknown-esx
> ++    exit ;;
> ++    amd64:Isilon\ OneFS:*:*)
> ++    echo x86_64-unknown-onefs
> +     exit ;;
> + esac
> + 
> +-#echo '(No uname command or uname output not recognized.)' 1>&2
> +-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 
> 1>&2
> ++echo "$0: unable to guess system type" >&2
> + 
> +-eval $set_cc_for_build
> +-cat >$dummy.c <<EOF
> +-#ifdef _SEQUENT_
> +-# include <sys/types.h>
> +-# include <sys/utsname.h>
> +-#endif
> +-main ()
> +-{
> +-#if defined (sony)
> +-#if defined (MIPSEB)
> +-  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
> +-     I don't know....  */
> +-  printf ("mips-sony-bsd\n"); exit (0);
> +-#else
> +-#include <sys/param.h>
> +-  printf ("m68k-sony-newsos%s\n",
> +-#ifdef NEWSOS4
> +-          "4"
> +-#else
> +-      ""
> +-#endif
> +-         ); exit (0);
> +-#endif
> +-#endif
> +-
> +-#if defined (__arm) && defined (__acorn) && defined (__unix)
> +-  printf ("arm-acorn-riscix\n"); exit (0);
> +-#endif
> +-
> +-#if defined (hp300) && !defined (hpux)
> +-  printf ("m68k-hp-bsd\n"); exit (0);
> +-#endif
> +-
> +-#if defined (NeXT)
> +-#if !defined (__ARCHITECTURE__)
> +-#define __ARCHITECTURE__ "m68k"
> +-#endif
> +-  int version;
> +-  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
> +-    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
> +-  exit (0);
> +-#endif
> +-
> +-#if defined (MULTIMAX) || defined (n16)
> +-#if defined (UMAXV)
> +-  printf ("ns32k-encore-sysv\n"); exit (0);
> +-#else
> +-#if defined (CMU)
> +-  printf ("ns32k-encore-mach\n"); exit (0);
> +-#else
> +-  printf ("ns32k-encore-bsd\n"); exit (0);
> +-#endif
> +-#endif
> +-#endif
> +-
> +-#if defined (__386BSD__)
> +-  printf ("i386-pc-bsd\n"); exit (0);
> +-#endif
> +-
> +-#if defined (sequent)
> +-#if defined (i386)
> +-  printf ("i386-sequent-dynix\n"); exit (0);
> +-#endif
> +-#if defined (ns32000)
> +-  printf ("ns32k-sequent-dynix\n"); exit (0);
> +-#endif
> +-#endif
> +-
> +-#if defined (_SEQUENT_)
> +-    struct utsname un;
> +-
> +-    uname(&un);
> +-
> +-    if (strncmp(un.version, "V2", 2) == 0) {
> +-    printf ("i386-sequent-ptx2\n"); exit (0);
> +-    }
> +-    if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
> +-    printf ("i386-sequent-ptx1\n"); exit (0);
> +-    }
> +-    printf ("i386-sequent-ptx\n"); exit (0);
> +-
> +-#endif
> +-
> +-#if defined (vax)
> +-# if !defined (ultrix)
> +-#  include <sys/param.h>
> +-#  if defined (BSD)
> +-#   if BSD == 43
> +-      printf ("vax-dec-bsd4.3\n"); exit (0);
> +-#   else
> +-#    if BSD == 199006
> +-      printf ("vax-dec-bsd4.3reno\n"); exit (0);
> +-#    else
> +-      printf ("vax-dec-bsd\n"); exit (0);
> +-#    endif
> +-#   endif
> +-#  else
> +-    printf ("vax-dec-bsd\n"); exit (0);
> +-#  endif
> +-# else
> +-    printf ("vax-dec-ultrix\n"); exit (0);
> +-# endif
> +-#endif
> ++case "$UNAME_MACHINE:$UNAME_SYSTEM" in
> ++    mips:Linux | mips64:Linux)
> ++    # If we got here on MIPS GNU/Linux, output extra information.
> ++    cat >&2 <<EOF
> + 
> +-#if defined (alliant) && defined (i860)
> +-  printf ("i860-alliant-bsd\n"); exit (0);
> +-#endif
> +-
> +-  exit (1);
> +-}
> ++NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
> ++the system type. Please install a C compiler and try again.
> + EOF
> +-
> +-$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.
> +-
> +-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
> +-
> +-# Convex versions that predate uname can use getsysinfo(1)
> +-
> +-if [ -x /usr/convex/getsysinfo ]
> +-then
> +-    case `getsysinfo -f cpu_type` in
> +-    c1*)
> +-    echo c1-convex-bsd
> +-    exit ;;
> +-    c2*)
> +-    if getsysinfo -f scalar_acc
> +-    then echo c32-convex-bsd
> +-    else echo c2-convex-bsd
> +-    fi
> +-    exit ;;
> +-    c34*)
> +-    echo c34-convex-bsd
> +-    exit ;;
> +-    c38*)
> +-    echo c38-convex-bsd
> +-    exit ;;
> +-    c4*)
> +-    echo c4-convex-bsd
> +-    exit ;;
> +-    esac
> +-fi
> ++    ;;
> ++esac
> + 
> + cat >&2 <<EOF
> +-$0: unable to guess system type
> + 
> +-This script, last modified $timestamp, has failed to recognize
> +-the operating system you are using. It is advised that you
> +-download the most up to date version of the config scripts from
> ++This script (version $timestamp), has failed to recognize the
> ++operating system you are using. If your script is old, overwrite *all*
> ++copies of config.guess and config.sub with the latest versions from:
> + 
> +-  
> http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
> ++  
> https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
> + and
> +-  
> http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
> ++  
> https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
> + 
> +-If the version you run ($0) is already up to date, please
> +-send the following data and any information you think might be
> +-pertinent to <[email protected]> in order to provide the needed
> +-information to handle your system.
> ++If $0 has already been updated, send the following data and any
> ++information you think might be pertinent to [email protected] to
> ++provide the necessary information to handle your system.
> + 
> + config.guess timestamp = $timestamp
> + 
> +@@ -1545,16 +1460,16 @@ hostinfo               = `(hostinfo) 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}
> +-UNAME_SYSTEM  = ${UNAME_SYSTEM}
> +-UNAME_VERSION = ${UNAME_VERSION}
> ++UNAME_MACHINE = "$UNAME_MACHINE"
> ++UNAME_RELEASE = "$UNAME_RELEASE"
> ++UNAME_SYSTEM  = "$UNAME_SYSTEM"
> ++UNAME_VERSION = "$UNAME_VERSION"
> + EOF
> + 
> + exit 1
> + 
> + # Local variables:
> +-# eval: (add-hook 'write-file-hooks 'time-stamp)
> ++# eval: (add-hook 'before-save-hook 'time-stamp)
> + # time-stamp-start: "timestamp='"
> + # time-stamp-format: "%:y-%02m-%02d"
> + # time-stamp-end: "'"
> +diff --git a/tools/config.sub b/tools/config.sub
> +index a39437d..c95acc6 100755
> +--- a/tools/config.sub
> ++++ b/tools/config.sub
> +@@ -1,44 +1,40 @@
> + #! /bin/sh
> + # Configuration validation subroutine script.
> +-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
> +-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
> +-#   Free Software Foundation, Inc.
> ++#   Copyright 1992-2018 Free Software Foundation, Inc.
> + 
> +-timestamp='2009-04-17'
> ++timestamp='2018-07-03'
> + 
> +-# This file is (in principle) common to ALL GNU software.
> +-# The presence of a machine in this file suggests that SOME GNU software
> +-# can handle that machine.  It does not imply ALL GNU software can.
> +-#
> +-# 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 2 of the License, or
> ++# 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.
> ++# 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
> +-# along with this program; if not, write to the Free Software
> +-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
> +-# 02110-1301, USA.
> ++# along with this program; if not, see <https://www.gnu.org/licenses/>.
> + #
> + # 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.
> ++# 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").
> + 
> + 
> +-# Please send patches to <[email protected]>.  Submit a context
> +-# diff and a properly formatted ChangeLog entry.
> ++# Please send patches to <[email protected]>.
> + #
> + # 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.
> + 
> ++# 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
> ++
> + # 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.
> +@@ -57,12 +53,11 @@ timestamp='2009-04-17'
> + me=`echo "$0" | sed -e 's,.*/,,'`
> + 
> + usage="\
> +-Usage: $0 [OPTION] CPU-MFR-OPSYS
> +-       $0 [OPTION] ALIAS
> ++Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
> + 
> + Canonicalize a configuration name.
> + 
> +-Operation modes:
> ++Options:
> +   -h, --help         print this help, then exit
> +   -t, --time-stamp   print date of last modification, then exit
> +   -v, --version      print version number, then exit
> +@@ -72,8 +67,7 @@ Report bugs and patches to <[email protected]>."
> + version="\
> + GNU config.sub ($timestamp)
> + 
> +-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
> +-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
> ++Copyright 1992-2018 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."
> +@@ -100,7 +94,7 @@ while test $# -gt 0 ; do
> + 
> +     *local*)
> +        # First pass through any local machine types.
> +-       echo $1
> ++       echo "$1"
> +        exit ;;
> + 
> +     * )
> +@@ -116,120 +110,455 @@ case $# in
> +     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 $maybe_os in
> +-  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
> +-  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | 
> netbsd*-gnu* | \
> +-  kopensolaris*-gnu* | \
> +-  storm-chaos* | os2-emx* | rtmk-nova*)
> +-    os=-$maybe_os
> +-    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
> +-    ;;
> +-  *)
> +-    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
> +-    if [ $basic_machine != $1 ]
> +-    then os=`echo $1 | sed 's/.*-/-/'`
> +-    else os=; fi
> +-    ;;
> +-esac
> ++# Split fields of configuration type
> ++IFS="-" read -r field1 field2 field3 field4 <<EOF
> ++$1
> ++EOF
> + 
> +-### 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 | \
> +-    -apple | -axis | -knuth | -cray)
> +-            os=
> +-            basic_machine=$1
> +-            ;;
> +-    -sim | -cisco | -oki | -wec | -winbond)
> +-            os=
> +-            basic_machine=$1
> +-            ;;
> +-    -scout)
> +-            ;;
> +-    -wrs)
> +-            os=-vxworks
> +-            basic_machine=$1
> +-            ;;
> +-    -chorusos*)
> +-            os=-chorusos
> +-            basic_machine=$1
> +-            ;;
> +-    -chorusrdb)
> +-            os=-chorusrdb
> +-            basic_machine=$1
> +-            ;;
> +-    -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*)
> +-            os=-lynxos
> ++# Separate into logical components for further validation
> ++case $1 in
> ++    *-*-*-*-*)
> ++            echo Invalid configuration \`"$1"\': more than four components 
> >&2
> ++            exit 1
> +             ;;
> +-    -ptx*)
> +-            basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
> ++    *-*-*-*)
> ++            basic_machine=$field1-$field2
> ++            os=$field3-$field4
> +             ;;
> +-    -windowsnt*)
> +-            os=`echo $os | sed -e 's/windowsnt/winnt/'`
> ++    *-*-*)
> ++            # Ambiguous whether COMPANY is present, or skipped and 
> KERNEL-OS is two
> ++            # parts
> ++            maybe_os=$field2-$field3
> ++            case $maybe_os in
> ++                    nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc 
> \
> ++                    | linux-newlib* | linux-musl* | linux-uclibc* | 
> uclinux-uclibc* \
> ++                    | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | 
> netbsd*-gnu* \
> ++                    | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
> ++                    | storm-chaos* | os2-emx* | rtmk-nova*)
> ++                            basic_machine=$field1
> ++                            os=$maybe_os
> ++                            ;;
> ++                    android-linux)
> ++                            basic_machine=$field1-unknown
> ++                            os=linux-android
> ++                            ;;
> ++                    *)
> ++                            basic_machine=$field1-$field2
> ++                            os=$field3
> ++                            ;;
> ++            esac
> +             ;;
> +-    -psos*)
> +-            os=-psos
> ++    *-*)
> ++            # Second component is usually, but not always the OS
> ++            case $field2 in
> ++                    # Prevent following clause from handling this valid os
> ++                    sun*os*)
> ++                            basic_machine=$field1
> ++                            os=$field2
> ++                            ;;
> ++                    # Manufacturers
> ++                    dec* | mips* | sequent* | encore* | pc532* | sgi* | 
> sony* \
> ++                    | att* | 7300* | 3300* | delta* | motorola* | sun[234]* 
> \
> ++                    | unicom* | ibm* | next | hp | isi* | apollo | altos* \
> ++                    | convergent* | ncr* | news | 32* | 3600* | 3100* | 
> hitachi* \
> ++                    | c[123]* | convex* | sun | crds | omron* | dg | ultra 
> | tti* \
> ++                    | harris | dolphin | highlevel | gould | cbm | ns | 
> masscomp \
> ++                    | apple | axis | knuth | cray | microblaze* \
> ++                    | sim | cisco | oki | wec | wrs | winbond)
> ++                            basic_machine=$field1-$field2
> ++                            os=
> ++                            ;;
> ++                    *)
> ++                            basic_machine=$field1
> ++                            os=$field2
> ++                            ;;
> ++            esac
> +             ;;
> +-    -mint | -mint[0-9]*)
> +-            basic_machine=m68k-atari
> +-            os=-mint
> ++    *)
> ++            # Convert single-component short-hands not valid as part of
> ++            # multi-component configurations.
> ++            case $field1 in
> ++                    386bsd)
> ++                            basic_machine=i386-pc
> ++                            os=bsd
> ++                            ;;
> ++                    a29khif)
> ++                            basic_machine=a29k-amd
> ++                            os=udi
> ++                            ;;
> ++                    adobe68k)
> ++                            basic_machine=m68010-adobe
> ++                            os=scout
> ++                            ;;
> ++                    am29k)
> ++                            basic_machine=a29k-none
> ++                            os=bsd
> ++                            ;;
> ++                    amdahl)
> ++                            basic_machine=580-amdahl
> ++                            os=sysv
> ++                            ;;
> ++                    amigaos | amigados)
> ++                            basic_machine=m68k-unknown
> ++                            os=amigaos
> ++                            ;;
> ++                    amigaunix | amix)
> ++                            basic_machine=m68k-unknown
> ++                            os=sysv4
> ++                            ;;
> ++                    apollo68)
> ++                            basic_machine=m68k-apollo
> ++                            os=sysv
> ++                            ;;
> ++                    apollo68bsd)
> ++                            basic_machine=m68k-apollo
> ++                            os=bsd
> ++                            ;;
> ++                    aros)
> ++                            basic_machine=i386-pc
> ++                            os=aros
> ++                            ;;
> ++                    aux)
> ++                            basic_machine=m68k-apple
> ++                            os=aux
> ++                            ;;
> ++                    balance)
> ++                            basic_machine=ns32k-sequent
> ++                            os=dynix
> ++                            ;;
> ++                    blackfin)
> ++                            basic_machine=bfin-unknown
> ++                            os=linux
> ++                            ;;
> ++                    cegcc)
> ++                            basic_machine=arm-unknown
> ++                            os=cegcc
> ++                            ;;
> ++                    cray)
> ++                            basic_machine=j90-cray
> ++                            os=unicos
> ++                            ;;
> ++                    craynv)
> ++                            basic_machine=craynv-cray
> ++                            os=unicosmp
> ++                            ;;
> ++                    delta88)
> ++                            basic_machine=m88k-motorola
> ++                            os=sysv3
> ++                            ;;
> ++                    dicos)
> ++                            basic_machine=i686-pc
> ++                            os=dicos
> ++                            ;;
> ++                    djgpp)
> ++                            basic_machine=i586-pc
> ++                            os=msdosdjgpp
> ++                            ;;
> ++                    ebmon29k)
> ++                            basic_machine=a29k-amd
> ++                            os=ebmon
> ++                            ;;
> ++                    es1800 | OSE68k | ose68k | ose | OSE)
> ++                            basic_machine=m68k-ericsson
> ++                            os=ose
> ++                            ;;
> ++                    gmicro)
> ++                            basic_machine=tron-gmicro
> ++                            os=sysv
> ++                            ;;
> ++                    go32)
> ++                            basic_machine=i386-pc
> ++                            os=go32
> ++                            ;;
> ++                    h8300hms)
> ++                            basic_machine=h8300-hitachi
> ++                            os=hms
> ++                            ;;
> ++                    h8300xray)
> ++                            basic_machine=h8300-hitachi
> ++                            os=xray
> ++                            ;;
> ++                    h8500hms)
> ++                            basic_machine=h8500-hitachi
> ++                            os=hms
> ++                            ;;
> ++                    harris)
> ++                            basic_machine=m88k-harris
> ++                            os=sysv3
> ++                            ;;
> ++                    hp300bsd)
> ++                            basic_machine=m68k-hp
> ++                            os=bsd
> ++                            ;;
> ++                    hp300hpux)
> ++                            basic_machine=m68k-hp
> ++                            os=hpux
> ++                            ;;
> ++                    hppaosf)
> ++                            basic_machine=hppa1.1-hp
> ++                            os=osf
> ++                            ;;
> ++                    hppro)
> ++                            basic_machine=hppa1.1-hp
> ++                            os=proelf
> ++                            ;;
> ++                    i386mach)
> ++                            basic_machine=i386-mach
> ++                            os=mach
> ++                            ;;
> ++                    vsta)
> ++                            basic_machine=i386-unknown
> ++                            os=vsta
> ++                            ;;
> ++                    isi68 | isi)
> ++                            basic_machine=m68k-isi
> ++                            os=sysv
> ++                            ;;
> ++                    m68knommu)
> ++                            basic_machine=m68k-unknown
> ++                            os=linux
> ++                            ;;
> ++                    magnum | m3230)
> ++                            basic_machine=mips-mips
> ++                            os=sysv
> ++                            ;;
> ++                    merlin)
> ++                            basic_machine=ns32k-utek
> ++                            os=sysv
> ++                            ;;
> ++                    mingw64)
> ++                            basic_machine=x86_64-pc
> ++                            os=mingw64
> ++                            ;;
> ++                    mingw32)
> ++                            basic_machine=i686-pc
> ++                            os=mingw32
> ++                            ;;
> ++                    mingw32ce)
> ++                            basic_machine=arm-unknown
> ++                            os=mingw32ce
> ++                            ;;
> ++                    monitor)
> ++                            basic_machine=m68k-rom68k
> ++                            os=coff
> ++                            ;;
> ++                    morphos)
> ++                            basic_machine=powerpc-unknown
> ++                            os=morphos
> ++                            ;;
> ++                    moxiebox)
> ++                            basic_machine=moxie-unknown
> ++                            os=moxiebox
> ++                            ;;
> ++                    msdos)
> ++                            basic_machine=i386-pc
> ++                            os=msdos
> ++                            ;;
> ++                    msys)
> ++                            basic_machine=i686-pc
> ++                            os=msys
> ++                            ;;
> ++                    mvs)
> ++                            basic_machine=i370-ibm
> ++                            os=mvs
> ++                            ;;
> ++                    nacl)
> ++                            basic_machine=le32-unknown
> ++                            os=nacl
> ++                            ;;
> ++                    ncr3000)
> ++                            basic_machine=i486-ncr
> ++                            os=sysv4
> ++                            ;;
> ++                    netbsd386)
> ++                            basic_machine=i386-unknown
> ++                            os=netbsd
> ++                            ;;
> ++                    netwinder)
> ++                            basic_machine=armv4l-rebel
> ++                            os=linux
> ++                            ;;
> ++                    news | news700 | news800 | news900)
> ++                            basic_machine=m68k-sony
> ++                            os=newsos
> ++                            ;;
> ++                    news1000)
> ++                            basic_machine=m68030-sony
> ++                            os=newsos
> ++                            ;;
> ++                    necv70)
> ++                            basic_machine=v70-nec
> ++                            os=sysv
> ++                            ;;
> ++                    nh3000)
> ++                            basic_machine=m68k-harris
> ++                            os=cxux
> ++                            ;;
> ++                    nh[45]000)
> ++                            basic_machine=m88k-harris
> ++                            os=cxux
> ++                            ;;
> ++                    nindy960)
> ++                            basic_machine=i960-intel
> ++                            os=nindy
> ++                            ;;
> ++                    mon960)
> ++                            basic_machine=i960-intel
> ++                            os=mon960
> ++                            ;;
> ++                    nonstopux)
> ++                            basic_machine=mips-compaq
> ++                            os=nonstopux
> ++                            ;;
> ++                    os400)
> ++                            basic_machine=powerpc-ibm
> ++                            os=os400
> ++                            ;;
> ++                    OSE68000 | ose68000)
> ++                            basic_machine=m68000-ericsson
> ++                            os=ose
> ++                            ;;
> ++                    os68k)
> ++                            basic_machine=m68k-none
> ++                            os=os68k
> ++                            ;;
> ++                    paragon)
> ++                            basic_machine=i860-intel
> ++                            os=osf
> ++                            ;;
> ++                    parisc)
> ++                            basic_machine=hppa-unknown
> ++                            os=linux
> ++                            ;;
> ++                    pw32)
> ++                            basic_machine=i586-unknown
> ++                            os=pw32
> ++                            ;;
> ++                    rdos | rdos64)
> ++                            basic_machine=x86_64-pc
> ++                            os=rdos
> ++                            ;;
> ++                    rdos32)
> ++                            basic_machine=i386-pc
> ++                            os=rdos
> ++                            ;;
> ++                    rom68k)
> ++                            basic_machine=m68k-rom68k
> ++                            os=coff
> ++                            ;;
> ++                    sa29200)
> ++                            basic_machine=a29k-amd
> ++                            os=udi
> ++                            ;;
> ++                    sei)
> ++                            basic_machine=mips-sei
> ++                            os=seiux
> ++                            ;;
> ++                    sps7)
> ++                            basic_machine=m68k-bull
> ++                            os=sysv2
> ++                            ;;
> ++                    stratus)
> ++                            basic_machine=i860-stratus
> ++                            os=sysv4
> ++                            ;;
> ++                    sun2os3)
> ++                            basic_machine=m68000-sun
> ++                            os=sunos3
> ++                            ;;
> ++                    sun2os4)
> ++                            basic_machine=m68000-sun
> ++                            os=sunos4
> ++                            ;;
> ++                    sun3os3)
> ++                            basic_machine=m68k-sun
> ++                            os=sunos3
> ++                            ;;
> ++                    sun3os4)
> ++                            basic_machine=m68k-sun
> ++                            os=sunos4
> ++                            ;;
> ++                    sun4os3)
> ++                            basic_machine=sparc-sun
> ++                            os=sunos3
> ++                            ;;
> ++                    sun4os4)
> ++                            basic_machine=sparc-sun
> ++                            os=sunos4
> ++                            ;;
> ++                    sun4sol2)
> ++                            basic_machine=sparc-sun
> ++                            os=solaris2
> ++                            ;;
> ++                    sv1)
> ++                            basic_machine=sv1-cray
> ++                            os=unicos
> ++                            ;;
> ++                    symmetry)
> ++                            basic_machine=i386-sequent
> ++                            os=dynix
> ++                            ;;
> ++                    t3e)
> ++                            basic_machine=alphaev5-cray
> ++                            os=unicos
> ++                            ;;
> ++                    t90)
> ++                            basic_machine=t90-cray
> ++                            os=unicos
> ++                            ;;
> ++                    toad1)
> ++                            basic_machine=pdp10-xkl
> ++                            os=tops20
> ++                            ;;
> ++                    tpf)
> ++                            basic_machine=s390x-ibm
> ++                            os=tpf
> ++                            ;;
> ++                    udi29k)
> ++                            basic_machine=a29k-amd
> ++                            os=udi
> ++                            ;;
> ++                    ultra3)
> ++                            basic_machine=a29k-nyu
> ++                            os=sym1
> ++                            ;;
> ++                    v810 | necv810)
> ++                            basic_machine=v810-nec
> ++                            os=none
> ++                            ;;
> ++                    vaxv)
> ++                            basic_machine=vax-dec
> ++                            os=sysv
> ++                            ;;
> ++                    vms)
> ++                            basic_machine=vax-dec
> ++                            os=vms
> ++                            ;;
> ++                    vxworks960)
> ++                            basic_machine=i960-wrs
> ++                            os=vxworks
> ++                            ;;
> ++                    vxworks68)
> ++                            basic_machine=m68k-wrs
> ++                            os=vxworks
> ++                            ;;
> ++                    vxworks29k)
> ++                            basic_machine=a29k-wrs
> ++                            os=vxworks
> ++                            ;;
> ++                    xbox)
> ++                            basic_machine=i686-pc
> ++                            os=mingw32
> ++                            ;;
> ++                    ymp)
> ++                            basic_machine=ymp-cray
> ++                            os=unicos
> ++                            ;;
> ++                    *)
> ++                            basic_machine=$1
> ++                            os=
> ++                            ;;
> ++            esac
> +             ;;
> + esac
> + 
> +@@ -239,20 +568,29 @@ case $basic_machine in
> +     # Some are omitted here because they have special meanings below.
> +     1750a | 580 \
> +     | a29k \
> ++    | aarch64 | aarch64_be \
> +     | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
> +     | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | 
> alpha64pca5[67] \
> +     | am33_2.0 \
> +-    | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | 
> avr32 \
> ++    | arc | arceb \
> ++    | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv6m | 
> armv[78][arm] \
> ++    | avr | avr32 \
> ++    | ba \
> ++    | be32 | be64 \
> +     | bfin \
> +-    | c4x | clipper \
> ++    | c4x | c8051 | clipper | csky \
> +     | d10v | d30v | dlx | dsp16xx \
> +-    | fido | fr30 | frv \
> ++    | e2k | epiphany \
> ++    | fido | fr30 | frv | ft32 \
> +     | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
> +-    | i370 | i860 | i960 | ia64 \
> ++    | hexagon \
> ++    | i370 | i860 | i960 | ia16 | ia64 \
> +     | ip2k | iq2000 \
> ++    | k1om \
> ++    | le32 | le64 \
> +     | lm32 \
> +     | m32c | m32r | m32rle | m68000 | m68k | m88k \
> +-    | maxq | mb | microblaze | mcore | mep | metag \
> ++    | maxq | mb | microblaze | microblazeel | mcore | mep | metag \
> +     | mips | mipsbe | mipseb | mipsel | mipsle \
> +     | mips16 \
> +     | mips64 | mips64el \
> +@@ -266,44 +604,83 @@ case $basic_machine in
> +     | mips64vr5900 | mips64vr5900el \
> +     | mipsisa32 | mipsisa32el \
> +     | mipsisa32r2 | mipsisa32r2el \
> ++    | mipsisa32r6 | mipsisa32r6el \
> +     | mipsisa64 | mipsisa64el \
> +     | mipsisa64r2 | mipsisa64r2el \
> ++    | mipsisa64r6 | mipsisa64r6el \
> +     | mipsisa64sb1 | mipsisa64sb1el \
> +     | mipsisa64sr71k | mipsisa64sr71kel \
> ++    | mipsr5900 | mipsr5900el \
> +     | mipstx39 | mipstx39el \
> +     | mn10200 | mn10300 \
> +     | moxie \
> +     | mt \
> +     | msp430 \
> +-    | nios | nios2 \
> ++    | nds32 | nds32le | nds32be \
> ++    | nfp \
> ++    | nios | nios2 | nios2eb | nios2el \
> +     | ns16k | ns32k \
> +-    | or32 \
> +-    | pdp10 | pdp11 | pj | pjl \
> +-    | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
> ++    | open8 | or1k | or1knd | or32 \
> ++    | pdp10 | pj | pjl \
> ++    | powerpc | powerpc64 | powerpc64le | powerpcle \
> ++    | pru \
> +     | pyramid \
> ++    | riscv | riscv32 | riscv64 \
> ++    | rl78 | rx \
> +     | score \
> +-    | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | 
> shbe | shle | sh[1234]le | sh3ele \
> ++    | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | 
> shbe | shle | sh[1234]le | sh3ele \
> +     | sh64 | sh64le \
> +     | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | 
> sparclite \
> +     | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
> +-    | spu | strongarm \
> +-    | tahoe | thumb | tic4x | tic80 | tron \
> +-    | v850 | v850e \
> +-    | we32k \
> +-    | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
> ++    | spu \
> ++    | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
> ++    | ubicom32 \
> ++    | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
> ++    | visium \
> ++    | wasm32 \
> ++    | x86 | xc16x | xstormy16 | xtensa \
> +     | z8k | z80)
> +             basic_machine=$basic_machine-unknown
> +             ;;
> +-    m6811 | m68hc11 | m6812 | m68hc12)
> +-            # Motorola 68HC11/12.
> ++    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
> ++            os=${os:-none}
> +             ;;
> +-    m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
> ++    m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65)
> ++            ;;
> ++    m9s12z | m68hcs12z | hcs12z | s12z)
> ++            basic_machine=s12z-unknown
> ++            os=${os:-none}
> +             ;;
> +     ms1)
> +             basic_machine=mt-unknown
> +             ;;
> ++    strongarm | thumb | xscale)
> ++            basic_machine=arm-unknown
> ++            ;;
> ++    xgate)
> ++            basic_machine=$basic_machine-unknown
> ++            os=${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
> +@@ -311,33 +688,35 @@ case $basic_machine in
> +     i*86 | x86_64)
> +       basic_machine=$basic_machine-pc
> +       ;;
> +-    # 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-* \
> ++    | aarch64-* | aarch64_be-* \
> +     | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
> +     | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
> +-    | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
> ++    | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
> +     | arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
> +     | avr-* | avr32-* \
> ++    | ba-* \
> ++    | be32-* | be64-* \
> +     | bfin-* | bs2000-* \
> +-    | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
> +-    | clipper-* | craynv-* | cydra-* \
> ++    | c[123]* | c30-* | [cjt]90-* | c4x-* \
> ++    | c8051-* | clipper-* | craynv-* | csky-* | cydra-* \
> +     | d10v-* | d30v-* | dlx-* \
> +-    | elxsi-* \
> ++    | e2k-* | elxsi-* \
> +     | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
> +     | h8300-* | h8500-* \
> +     | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
> +-    | i*86-* | i860-* | i960-* | ia64-* \
> ++    | hexagon-* \
> ++    | i*86-* | i860-* | i960-* | ia16-* | ia64-* \
> +     | ip2k-* | iq2000-* \
> ++    | k1om-* \
> ++    | le32-* | le64-* \
> +     | lm32-* \
> +     | m32c-* | m32r-* | m32rle-* \
> +     | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
> +     | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
> ++    | microblaze-* | microblazeel-* \
> +     | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
> +     | mips16-* \
> +     | mips64-* | mips64el-* \
> +@@ -351,32 +730,46 @@ case $basic_machine in
> +     | mips64vr5900-* | mips64vr5900el-* \
> +     | mipsisa32-* | mipsisa32el-* \
> +     | mipsisa32r2-* | mipsisa32r2el-* \
> ++    | mipsisa32r6-* | mipsisa32r6el-* \
> +     | mipsisa64-* | mipsisa64el-* \
> +     | mipsisa64r2-* | mipsisa64r2el-* \
> ++    | mipsisa64r6-* | mipsisa64r6el-* \
> +     | mipsisa64sb1-* | mipsisa64sb1el-* \
> +     | mipsisa64sr71k-* | mipsisa64sr71kel-* \
> ++    | mipsr5900-* | mipsr5900el-* \
> +     | mipstx39-* | mipstx39el-* \
> +     | mmix-* \
> +     | mt-* \
> +     | msp430-* \
> +-    | nios-* | nios2-* \
> ++    | nds32-* | nds32le-* | nds32be-* \
> ++    | nfp-* \
> ++    | nios-* | nios2-* | nios2eb-* | nios2el-* \
> +     | none-* | np1-* | ns16k-* | ns32k-* \
> ++    | open8-* \
> ++    | or1k*-* \
> +     | orion-* \
> +     | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
> +-    | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
> ++    | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
> ++    | pru-* \
> +     | pyramid-* \
> +-    | romp-* | rs6000-* \
> ++    | riscv-* | riscv32-* | riscv64-* \
> ++    | rl78-* | romp-* | rs6000-* | rx-* \
> +     | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* 
> | sheb-* | shbe-* \
> +     | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
> +     | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | 
> sparclet-* \
> +     | sparclite-* \
> +-    | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* 
> | sx?-* \
> +-    | tahoe-* | thumb-* \
> +-    | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \
> ++    | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \
> ++    | tahoe-* \
> ++    | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
> ++    | tile*-* \
> +     | tron-* \
> +-    | v850-* | v850e-* | vax-* \
> ++    | ubicom32-* \
> ++    | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
> ++    | vax-* \
> ++    | visium-* \
> ++    | wasm32-* \
> +     | we32k-* \
> +-    | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
> ++    | x86-* | x86_64-* | xc16x-* | xps100-* \
> +     | xstormy16-* | xtensa*-* \
> +     | ymp-* \
> +     | z8k-* | z80-*)
> +@@ -387,125 +780,77 @@ case $basic_machine in
> +             ;;
> +     # 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
> +-            ;;
> +-            abacus)
> ++    abacus)
> +             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 $basic_machine | sed 's/^[^-]*-//'`
> +-            ;;
> +-    amdahl)
> +-            basic_machine=580-amdahl
> +-            os=-sysv
> ++            basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     amiga | amiga-*)
> +             basic_machine=m68k-unknown
> +             ;;
> +-    amigaos | amigados)
> +-            basic_machine=m68k-unknown
> +-            os=-amigaos
> +-            ;;
> +-    amigaunix | amix)
> +-            basic_machine=m68k-unknown
> +-            os=-sysv4
> +-            ;;
> +-    apollo68)
> +-            basic_machine=m68k-apollo
> +-            os=-sysv
> +-            ;;
> +-    apollo68bsd)
> +-            basic_machine=m68k-apollo
> +-            os=-bsd
> ++    asmjs)
> ++            basic_machine=asmjs-unknown
> +             ;;
> +-    aros)
> +-            basic_machine=i386-pc
> +-            os=-aros
> ++    blackfin-*)
> ++            basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> ++            os=linux
> +             ;;
> +-    aux)
> +-            basic_machine=m68k-apple
> +-            os=-aux
> ++    bluegene*)
> ++            basic_machine=powerpc-ibm
> ++            os=cnk
> +             ;;
> +-    balance)
> +-            basic_machine=ns32k-sequent
> +-            os=-dynix
> ++    c54x-*)
> ++            basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +-    blackfin)
> +-            basic_machine=bfin-unknown
> +-            os=-linux
> ++    c55x-*)
> ++            basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +-    blackfin-*)
> +-            basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
> +-            os=-linux
> ++    c6x-*)
> ++            basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     c90)
> +             basic_machine=c90-cray
> +-            os=-unicos
> +-            ;;
> +-        cegcc)
> +-            basic_machine=arm-unknown
> +-            os=-cegcc
> ++            os=${os:-unicos}
> +             ;;
> +     convex-c1)
> +             basic_machine=c1-convex
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     convex-c2)
> +             basic_machine=c2-convex
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     convex-c32)
> +             basic_machine=c32-convex
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     convex-c34)
> +             basic_machine=c34-convex
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     convex-c38)
> +             basic_machine=c38-convex
> +-            os=-bsd
> +-            ;;
> +-    cray | j90)
> +-            basic_machine=j90-cray
> +-            os=-unicos
> +-            ;;
> +-    craynv)
> +-            basic_machine=craynv-cray
> +-            os=-unicosmp
> ++            os=bsd
> +             ;;
> +-    cr16)
> ++    cr16 | cr16-*)
> +             basic_machine=cr16-unknown
> +-            os=-elf
> ++            os=${os:-elf}
> +             ;;
> +     crds | unos)
> +             basic_machine=m68k-crds
> +@@ -518,7 +863,7 @@ case $basic_machine in
> +             ;;
> +     crx)
> +             basic_machine=crx-unknown
> +-            os=-elf
> ++            os=${os:-elf}
> +             ;;
> +     da30 | da30-*)
> +             basic_machine=m68k-da30
> +@@ -528,50 +873,38 @@ case $basic_machine in
> +             ;;
> +     decsystem10* | dec10*)
> +             basic_machine=pdp10-dec
> +-            os=-tops10
> ++            os=tops10
> +             ;;
> +     decsystem20* | dec20*)
> +             basic_machine=pdp10-dec
> +-            os=-tops20
> ++            os=tops20
> +             ;;
> +     delta | 3300 | motorola-3300 | motorola-delta \
> +           | 3300-motorola | delta-motorola)
> +             basic_machine=m68k-motorola
> +             ;;
> +-    delta88)
> +-            basic_machine=m88k-motorola
> +-            os=-sysv3
> +-            ;;
> +-    dicos)
> +-            basic_machine=i686-pc
> +-            os=-dicos
> +-            ;;
> +-    djgpp)
> +-            basic_machine=i586-pc
> +-            os=-msdosdjgpp
> +-            ;;
> +     dpx20 | dpx20-*)
> +             basic_machine=rs6000-bull
> +-            os=-bosx
> ++            os=${os:-bosx}
> +             ;;
> +-    dpx2* | dpx2*-bull)
> ++    dpx2*)
> +             basic_machine=m68k-bull
> +-            os=-sysv3
> ++            os=sysv3
> +             ;;
> +-    ebmon29k)
> +-            basic_machine=a29k-amd
> +-            os=-ebmon
> ++    e500v[12])
> ++            basic_machine=powerpc-unknown
> ++            os=$os"spe"
> +             ;;
> +-    elxsi)
> +-            basic_machine=elxsi-elxsi
> +-            os=-bsd
> ++    e500v[12]-*)
> ++            basic_machine=powerpc-`echo "$basic_machine" | sed 
> 's/^[^-]*-//'`
> ++            os=$os"spe"
> +             ;;
> +     encore | umax | mmax)
> +             basic_machine=ns32k-encore
> +             ;;
> +-    es1800 | OSE68k | ose68k | ose | OSE)
> +-            basic_machine=m68k-ericsson
> +-            os=-ose
> ++    elxsi)
> ++            basic_machine=elxsi-elxsi
> ++            os=${os:-bsd}
> +             ;;
> +     fx2800)
> +             basic_machine=i860-alliant
> +@@ -579,45 +912,13 @@ case $basic_machine in
> +     genix)
> +             basic_machine=ns32k-ns
> +             ;;
> +-    gmicro)
> +-            basic_machine=tron-gmicro
> +-            os=-sysv
> +-            ;;
> +-    go32)
> +-            basic_machine=i386-pc
> +-            os=-go32
> +-            ;;
> +     h3050r* | hiux*)
> +             basic_machine=hppa1.1-hitachi
> +-            os=-hiuxwe2
> +-            ;;
> +-    h8300hms)
> +-            basic_machine=h8300-hitachi
> +-            os=-hms
> +-            ;;
> +-    h8300xray)
> +-            basic_machine=h8300-hitachi
> +-            os=-xray
> +-            ;;
> +-    h8500hms)
> +-            basic_machine=h8500-hitachi
> +-            os=-hms
> +-            ;;
> +-    harris)
> +-            basic_machine=m88k-harris
> +-            os=-sysv3
> ++            os=hiuxwe2
> +             ;;
> +     hp300-*)
> +             basic_machine=m68k-hp
> +             ;;
> +-    hp300bsd)
> +-            basic_machine=m68k-hp
> +-            os=-bsd
> +-            ;;
> +-    hp300hpux)
> +-            basic_machine=m68k-hp
> +-            os=-hpux
> +-            ;;
> +     hp3k9[0-9][0-9] | hp9[0-9][0-9])
> +             basic_machine=hppa1.0-hp
> +             ;;
> +@@ -647,219 +948,114 @@ case $basic_machine in
> +     hp9k8[0-9][0-9] | hp8[0-9][0-9])
> +             basic_machine=hppa1.0-hp
> +             ;;
> +-    hppa-next)
> +-            os=-nextstep3
> +-            ;;
> +-    hppaosf)
> +-            basic_machine=hppa1.1-hp
> +-            os=-osf
> +-            ;;
> +-    hppro)
> +-            basic_machine=hppa1.1-hp
> +-            os=-proelf
> +-            ;;
> +     i370-ibm* | ibm*)
> +             basic_machine=i370-ibm
> +             ;;
> +-# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
> +     i*86v32)
> +-            basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
> +-            os=-sysv32
> ++            basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
> ++            os=sysv32
> +             ;;
> +     i*86v4*)
> +-            basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
> +-            os=-sysv4
> ++            basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
> ++            os=sysv4
> +             ;;
> +     i*86v)
> +-            basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
> +-            os=-sysv
> ++            basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
> ++            os=sysv
> +             ;;
> +     i*86sol2)
> +-            basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
> +-            os=-solaris2
> ++            basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
> ++            os=solaris2
> +             ;;
> +-    i386mach)
> +-            basic_machine=i386-mach
> +-            os=-mach
> +-            ;;
> +-    i386-vsta | vsta)
> +-            basic_machine=i386-unknown
> +-            os=-vsta
> ++    j90 | j90-cray)
> ++            basic_machine=j90-cray
> ++            os=${os:-unicos}
> +             ;;
> +     iris | iris4d)
> +             basic_machine=mips-sgi
> +             case $os in
> +-                -irix*)
> ++                irix*)
> +                     ;;
> +                 *)
> +-                    os=-irix4
> ++                    os=irix4
> +                     ;;
> +             esac
> +             ;;
> +-    isi68 | isi)
> +-            basic_machine=m68k-isi
> +-            os=-sysv
> +-            ;;
> +-    m68knommu)
> +-            basic_machine=m68k-unknown
> +-            os=-linux
> ++    leon-*|leon[3-9]-*)
> ++            basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'`
> +             ;;
> +     m68knommu-*)
> +-            basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
> +-            os=-linux
> +-            ;;
> +-    m88k-omron*)
> +-            basic_machine=m88k-omron
> +-            ;;
> +-    magnum | m3230)
> +-            basic_machine=mips-mips
> +-            os=-sysv
> +-            ;;
> +-    merlin)
> +-            basic_machine=ns32k-utek
> +-            os=-sysv
> +-            ;;
> +-    mingw32)
> +-            basic_machine=i386-pc
> +-            os=-mingw32
> ++            basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> ++            os=linux
> +             ;;
> +-    mingw32ce)
> +-            basic_machine=arm-unknown
> +-            os=-mingw32ce
> ++    microblaze*)
> ++            basic_machine=microblaze-xilinx
> +             ;;
> +     miniframe)
> +             basic_machine=m68000-convergent
> +             ;;
> +-    *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
> ++    *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
> +             basic_machine=m68k-atari
> +-            os=-mint
> ++            os=mint
> +             ;;
> +     mips3*-*)
> +-            basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
> ++            basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`
> +             ;;
> +     mips3*)
> +-            basic_machine=`echo $basic_machine | sed -e 
> 's/mips3/mips64/'`-unknown
> +-            ;;
> +-    monitor)
> +-            basic_machine=m68k-rom68k
> +-            os=-coff
> +-            ;;
> +-    morphos)
> +-            basic_machine=powerpc-unknown
> +-            os=-morphos
> +-            ;;
> +-    msdos)
> +-            basic_machine=i386-pc
> +-            os=-msdos
> ++            basic_machine=`echo "$basic_machine" | sed -e 
> 's/mips3/mips64/'`-unknown
> +             ;;
> +     ms1-*)
> +-            basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
> +-            ;;
> +-    mvs)
> +-            basic_machine=i370-ibm
> +-            os=-mvs
> +-            ;;
> +-    ncr3000)
> +-            basic_machine=i486-ncr
> +-            os=-sysv4
> +-            ;;
> +-    netbsd386)
> +-            basic_machine=i386-unknown
> +-            os=-netbsd
> +-            ;;
> +-    netwinder)
> +-            basic_machine=armv4l-rebel
> +-            os=-linux
> +-            ;;
> +-    news | news700 | news800 | news900)
> +-            basic_machine=m68k-sony
> +-            os=-newsos
> +-            ;;
> +-    news1000)
> +-            basic_machine=m68030-sony
> +-            os=-newsos
> ++            basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'`
> +             ;;
> +     news-3600 | risc-news)
> +             basic_machine=mips-sony
> +-            os=-newsos
> ++            os=newsos
> +             ;;
> +-    necv70)
> +-            basic_machine=v70-nec
> +-            os=-sysv
> +-            ;;
> +-    next | m*-next )
> ++    next | m*-next)
> +             basic_machine=m68k-next
> +             case $os in
> +-                -nextstep* )
> ++                nextstep* )
> +                     ;;
> +-                -ns2*)
> +-                  os=-nextstep2
> ++                ns2*)
> ++                  os=nextstep2
> +                     ;;
> +                 *)
> +-                  os=-nextstep3
> ++                  os=nextstep3
> +                     ;;
> +             esac
> +             ;;
> +-    nh3000)
> +-            basic_machine=m68k-harris
> +-            os=-cxux
> +-            ;;
> +-    nh[45]000)
> +-            basic_machine=m88k-harris
> +-            os=-cxux
> +-            ;;
> +-    nindy960)
> +-            basic_machine=i960-intel
> +-            os=-nindy
> +-            ;;
> +-    mon960)
> +-            basic_machine=i960-intel
> +-            os=-mon960
> +-            ;;
> +-    nonstopux)
> +-            basic_machine=mips-compaq
> +-            os=-nonstopux
> +-            ;;
> +     np1)
> +             basic_machine=np1-gould
> +             ;;
> ++    neo-tandem)
> ++            basic_machine=neo-tandem
> ++            ;;
> ++    nse-tandem)
> ++            basic_machine=nse-tandem
> ++            ;;
> +     nsr-tandem)
> +             basic_machine=nsr-tandem
> +             ;;
> ++    nsv-tandem)
> ++            basic_machine=nsv-tandem
> ++            ;;
> ++    nsx-tandem)
> ++            basic_machine=nsx-tandem
> ++            ;;
> +     op50n-* | op60c-*)
> +             basic_machine=hppa1.1-oki
> +-            os=-proelf
> ++            os=proelf
> +             ;;
> +     openrisc | openrisc-*)
> +             basic_machine=or32-unknown
> +             ;;
> +-    os400)
> +-            basic_machine=powerpc-ibm
> +-            os=-os400
> +-            ;;
> +-    OSE68000 | ose68000)
> +-            basic_machine=m68000-ericsson
> +-            os=-ose
> +-            ;;
> +-    os68k)
> +-            basic_machine=m68k-none
> +-            os=-os68k
> +-            ;;
> +     pa-hitachi)
> +             basic_machine=hppa1.1-hitachi
> +-            os=-hiuxwe2
> +-            ;;
> +-    paragon)
> +-            basic_machine=i860-intel
> +-            os=-osf
> +-            ;;
> +-    parisc)
> +-            basic_machine=hppa-unknown
> +-            os=-linux
> ++            os=hiuxwe2
> +             ;;
> +     parisc-*)
> +-            basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
> +-            os=-linux
> ++            basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> ++            os=linux
> +             ;;
> +     pbd)
> +             basic_machine=sparc-tti
> +@@ -874,7 +1070,7 @@ case $basic_machine in
> +             basic_machine=i386-pc
> +             ;;
> +     pc98-*)
> +-            basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++            basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     pentium | p5 | k5 | k6 | nexgen | viac3)
> +             basic_machine=i586-pc
> +@@ -889,57 +1085,46 @@ case $basic_machine in
> +             basic_machine=i786-pc
> +             ;;
> +     pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
> +-            basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++            basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     pentiumpro-* | p6-* | 6x86-* | athlon-*)
> +-            basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++            basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
> +-            basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++            basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     pentium4-*)
> +-            basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++            basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     pn)
> +             basic_machine=pn-gould
> +             ;;
> +     power)  basic_machine=power-ibm
> +             ;;
> +-    ppc)    basic_machine=powerpc-unknown
> ++    ppc | ppcbe)    basic_machine=powerpc-unknown
> +             ;;
> +-    ppc-*)  basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
> ++    ppc-* | ppcbe-*)
> ++            basic_machine=powerpc-`echo "$basic_machine" | sed 
> 's/^[^-]*-//'`
> +             ;;
> +-    ppcle | powerpclittle | ppc-le | powerpc-little)
> ++    ppcle | powerpclittle)
> +             basic_machine=powerpcle-unknown
> +             ;;
> +     ppcle-* | powerpclittle-*)
> +-            basic_machine=powerpcle-`echo $basic_machine | sed 
> 's/^[^-]*-//'`
> ++            basic_machine=powerpcle-`echo "$basic_machine" | sed 
> 's/^[^-]*-//'`
> +             ;;
> +     ppc64)  basic_machine=powerpc64-unknown
> +             ;;
> +-    ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 
> 's/^[^-]*-//'`
> ++    ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 
> 's/^[^-]*-//'`
> +             ;;
> +-    ppc64le | powerpc64little | ppc64-le | powerpc64-little)
> ++    ppc64le | powerpc64little)
> +             basic_machine=powerpc64le-unknown
> +             ;;
> +     ppc64le-* | powerpc64little-*)
> +-            basic_machine=powerpc64le-`echo $basic_machine | sed 
> 's/^[^-]*-//'`
> ++            basic_machine=powerpc64le-`echo "$basic_machine" | sed 
> 's/^[^-]*-//'`
> +             ;;
> +     ps2)
> +             basic_machine=i386-ibm
> +             ;;
> +-    pw32)
> +-            basic_machine=i586-unknown
> +-            os=-pw32
> +-            ;;
> +-    rdos)
> +-            basic_machine=i386-pc
> +-            os=-rdos
> +-            ;;
> +-    rom68k)
> +-            basic_machine=m68k-rom68k
> +-            os=-coff
> +-            ;;
> +     rm[46]00)
> +             basic_machine=mips-siemens
> +             ;;
> +@@ -952,10 +1137,6 @@ case $basic_machine in
> +     s390x | s390x-*)
> +             basic_machine=s390x-ibm
> +             ;;
> +-    sa29200)
> +-            basic_machine=a29k-amd
> +-            os=-udi
> +-            ;;
> +     sb1)
> +             basic_machine=mipsisa64sb1-unknown
> +             ;;
> +@@ -964,32 +1145,17 @@ case $basic_machine in
> +             ;;
> +     sde)
> +             basic_machine=mipsisa32-sde
> +-            os=-elf
> +-            ;;
> +-    sei)
> +-            basic_machine=mips-sei
> +-            os=-seiux
> ++            os=${os:-elf}
> +             ;;
> +     sequent)
> +             basic_machine=i386-sequent
> +             ;;
> +-    sh)
> +-            basic_machine=sh-hitachi
> +-            os=-hms
> +-            ;;
> +     sh5el)
> +             basic_machine=sh5le-unknown
> +             ;;
> +-    sh64)
> +-            basic_machine=sh64-unknown
> +-            ;;
> +-    sparclite-wrs | simso-wrs)
> ++    simso-wrs)
> +             basic_machine=sparclite-wrs
> +-            os=-vxworks
> +-            ;;
> +-    sps7)
> +-            basic_machine=m68k-bull
> +-            os=-sysv2
> ++            os=vxworks
> +             ;;
> +     spur)
> +             basic_machine=spur-unknown
> +@@ -997,41 +1163,12 @@ case $basic_machine in
> +     st2000)
> +             basic_machine=m68k-tandem
> +             ;;
> +-    stratus)
> +-            basic_machine=i860-stratus
> +-            os=-sysv4
> ++    strongarm-* | thumb-*)
> ++            basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'`
> +             ;;
> +     sun2)
> +             basic_machine=m68000-sun
> +             ;;
> +-    sun2os3)
> +-            basic_machine=m68000-sun
> +-            os=-sunos3
> +-            ;;
> +-    sun2os4)
> +-            basic_machine=m68000-sun
> +-            os=-sunos4
> +-            ;;
> +-    sun3os3)
> +-            basic_machine=m68k-sun
> +-            os=-sunos3
> +-            ;;
> +-    sun3os4)
> +-            basic_machine=m68k-sun
> +-            os=-sunos4
> +-            ;;
> +-    sun4os3)
> +-            basic_machine=sparc-sun
> +-            os=-sunos3
> +-            ;;
> +-    sun4os4)
> +-            basic_machine=sparc-sun
> +-            os=-sunos4
> +-            ;;
> +-    sun4sol2)
> +-            basic_machine=sparc-sun
> +-            os=-solaris2
> +-            ;;
> +     sun3 | sun3-*)
> +             basic_machine=m68k-sun
> +             ;;
> +@@ -1041,37 +1178,9 @@ case $basic_machine in
> +     sun386 | sun386i | roadrunner)
> +             basic_machine=i386-sun
> +             ;;
> +-    sv1)
> +-            basic_machine=sv1-cray
> +-            os=-unicos
> +-            ;;
> +-    symmetry)
> +-            basic_machine=i386-sequent
> +-            os=-dynix
> +-            ;;
> +-    t3e)
> +-            basic_machine=alphaev5-cray
> +-            os=-unicos
> +-            ;;
> +-    t90)
> +-            basic_machine=t90-cray
> +-            os=-unicos
> +-            ;;
> +-    tic54x | c54x*)
> +-            basic_machine=tic54x-unknown
> +-            os=-coff
> +-            ;;
> +-    tic55x | c55x*)
> +-            basic_machine=tic55x-unknown
> +-            os=-coff
> +-            ;;
> +-    tic6x | c6x*)
> +-            basic_machine=tic6x-unknown
> +-            os=-coff
> +-            ;;
> +     tile*)
> +-            basic_machine=tile-unknown
> +-            os=-linux-gnu
> ++            basic_machine=$basic_machine-unknown
> ++            os=linux-gnu
> +             ;;
> +     tx39)
> +             basic_machine=mipstx39-unknown
> +@@ -1079,82 +1188,32 @@ case $basic_machine in
> +     tx39el)
> +             basic_machine=mipstx39el-unknown
> +             ;;
> +-    toad1)
> +-            basic_machine=pdp10-xkl
> +-            os=-tops20
> +-            ;;
> +     tower | tower-32)
> +             basic_machine=m68k-ncr
> +             ;;
> +-    tpf)
> +-            basic_machine=s390x-ibm
> +-            os=-tpf
> +-            ;;
> +-    udi29k)
> +-            basic_machine=a29k-amd
> +-            os=-udi
> +-            ;;
> +-    ultra3)
> +-            basic_machine=a29k-nyu
> +-            os=-sym1
> +-            ;;
> +-    v810 | necv810)
> +-            basic_machine=v810-nec
> +-            os=-none
> +-            ;;
> +-    vaxv)
> +-            basic_machine=vax-dec
> +-            os=-sysv
> +-            ;;
> +-    vms)
> +-            basic_machine=vax-dec
> +-            os=-vms
> +-            ;;
> +     vpp*|vx|vx-*)
> +             basic_machine=f301-fujitsu
> +             ;;
> +-    vxworks960)
> +-            basic_machine=i960-wrs
> +-            os=-vxworks
> +-            ;;
> +-    vxworks68)
> +-            basic_machine=m68k-wrs
> +-            os=-vxworks
> +-            ;;
> +-    vxworks29k)
> +-            basic_machine=a29k-wrs
> +-            os=-vxworks
> +-            ;;
> +     w65*)
> +             basic_machine=w65-wdc
> +-            os=-none
> ++            os=none
> +             ;;
> +     w89k-*)
> +             basic_machine=hppa1.1-winbond
> +-            os=-proelf
> ++            os=proelf
> +             ;;
> +-    xbox)
> +-            basic_machine=i686-pc
> +-            os=-mingw32
> ++    x64)
> ++            basic_machine=x86_64-pc
> +             ;;
> +     xps | xps100)
> +             basic_machine=xps100-honeywell
> +             ;;
> +-    ymp)
> +-            basic_machine=ymp-cray
> +-            os=-unicos
> +-            ;;
> +-    z8k-*-coff)
> +-            basic_machine=z8k-unknown
> +-            os=-sim
> +-            ;;
> +-    z80-*-coff)
> +-            basic_machine=z80-unknown
> +-            os=-sim
> ++    xscale-* | xscalee[bl]-*)
> ++            basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'`
> +             ;;
> +     none)
> +             basic_machine=none-none
> +-            os=-none
> ++            os=${os:-none}
> +             ;;
> + 
> + # Here we handle the default manufacturer of certain CPU types.  It is in
> +@@ -1180,10 +1239,6 @@ case $basic_machine in
> +     vax)
> +             basic_machine=vax-dec
> +             ;;
> +-    pdp10)
> +-            # there are many clones, so DEC is not a safe bet
> +-            basic_machine=pdp10-unknown
> +-            ;;
> +     pdp11)
> +             basic_machine=pdp11-dec
> +             ;;
> +@@ -1193,9 +1248,6 @@ case $basic_machine in
> +     sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
> +             basic_machine=sh-unknown
> +             ;;
> +-    sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
> +-            basic_machine=sparc-sun
> +-            ;;
> +     cydra)
> +             basic_machine=cydra-cydrome
> +             ;;
> +@@ -1215,7 +1267,7 @@ case $basic_machine in
> +             # Make sure to match an already-canonicalized machine name.
> +             ;;
> +     *)
> +-            echo Invalid configuration \`$1\': machine \`$basic_machine\' 
> not recognized 1>&2
> ++            echo Invalid configuration \`"$1"\': machine 
> \`"$basic_machine"\' not recognized 1>&2
> +             exit 1
> +             ;;
> + esac
> +@@ -1223,10 +1275,10 @@ esac
> + # Here we canonicalize certain aliases for manufacturers.
> + case $basic_machine in
> +     *-digital*)
> +-            basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
> ++            basic_machine=`echo "$basic_machine" | sed 's/digital.*/dec/'`
> +             ;;
> +     *-commodore*)
> +-            basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
> ++            basic_machine=`echo "$basic_machine" | sed 's/commodore.*/cbm/'`
> +             ;;
> +     *)
> +             ;;
> +@@ -1234,194 +1286,246 @@ esac
> + 
> + # Decode manufacturer-specific aliases for certain operating systems.
> + 
> +-if [ x"$os" != x"" ]
> ++if [ x$os != x ]
> + then
> + case $os in
> +-        # First match some system type aliases
> +-        # that might get confused with valid system types.
> +-    # -solaris* is a basic system type, with this one exception.
> +-    -solaris1 | -solaris1.*)
> +-            os=`echo $os | sed -e 's|solaris1|sunos4|'`
> ++    # First match some system type aliases that might get confused
> ++    # with valid system types.
> ++    # solaris* is a basic system type, with this one exception.
> ++    auroraux)
> ++            os=auroraux
> ++            ;;
> ++    bluegene*)
> ++            os=cnk
> +             ;;
> +-    -solaris)
> +-            os=-solaris2
> ++    solaris1 | solaris1.*)
> ++            os=`echo $os | sed -e 's|solaris1|sunos4|'`
> +             ;;
> +-    -svr4*)
> +-            os=-sysv4
> ++    solaris)
> ++            os=solaris2
> +             ;;
> +-    -unixware*)
> +-            os=-sysv4.2uw
> ++    unixware*)
> ++            os=sysv4.2uw
> +             ;;
> +-    -gnu/linux*)
> ++    gnu/linux*)
> +             os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
> +             ;;
> +-    # First accept the basic system types.
> ++    # es1800 is here to avoid being matched by es* (a different OS)
> ++    es1800*)
> ++            os=ose
> ++            ;;
> ++    # Some version numbers need modification
> ++    chorusos*)
> ++            os=chorusos
> ++            ;;
> ++    isc)
> ++            os=isc2.2
> ++            ;;
> ++    sco6)
> ++            os=sco5v6
> ++            ;;
> ++    sco5)
> ++            os=sco3.2v5
> ++            ;;
> ++    sco4)
> ++            os=sco3.2v4
> ++            ;;
> ++    sco3.2.[4-9]*)
> ++            os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
> ++            ;;
> ++    sco3.2v[4-9]* | sco5v6*)
> ++            # Don't forget version if it is 3.2v4 or newer.
> ++            ;;
> ++    scout)
> ++            # Don't match below
> ++            ;;
> ++    sco*)
> ++            os=sco3.2v2
> ++            ;;
> ++    psos*)
> ++            os=psos
> ++            ;;
> ++    # Now accept the basic system types.
> +     # The portable systems comes first.
> +-    # Each alternative MUST END IN A *, to match a version number.
> +-    # -sysv* is not here because it comes later, after sysvr4.
> +-    -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
> +-          | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
> +-          | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
> +-          | -kopensolaris* \
> +-          | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
> +-          | -aos* | -aros* \
> +-          | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
> +-          | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
> +-          | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
> +-          | -openbsd* | -solidbsd* \
> +-          | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
> +-          | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
> +-          | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
> +-          | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
> +-          | -chorusos* | -chorusrdb* | -cegcc* \
> +-          | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
> +-          | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
> +-          | -uxpv* | -beos* | -mpeix* | -udk* \
> +-          | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
> +-          | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
> +-          | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
> +-          | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
> +-          | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
> +-          | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
> +-          | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
> ++    # Each alternative MUST end in a * to match a version number.
> ++    # sysv* is not here because it comes later, after sysvr4.
> ++    gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
> ++         | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
> ++         | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
> ++         | sym* | kopensolaris* | plan9* \
> ++         | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
> ++         | aos* | aros* | cloudabi* | sortix* \
> ++         | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
> ++         | clix* | riscos* | uniplus* | iris* | rtu* | xenix* \
> ++         | knetbsd* | mirbsd* | netbsd* \
> ++         | bitrig* | openbsd* | solidbsd* | libertybsd* \
> ++         | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
> ++         | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
> ++         | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
> ++         | udi* | eabi* | lites* | ieee* | go32* | aux* | hcos* \
> ++         | chorusrdb* | cegcc* | glidix* \
> ++         | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
> ++         | midipix* | mingw32* | mingw64* | linux-gnu* | linux-android* \
> ++         | linux-newlib* | linux-musl* | linux-uclibc* \
> ++         | uxpv* | beos* | mpeix* | udk* | moxiebox* \
> ++         | interix* | uwin* | mks* | rhapsody* | darwin* \
> ++         | openstep* | oskit* | conix* | pw32* | nonstopux* \
> ++         | storm-chaos* | tops10* | tenex* | tops20* | its* \
> ++         | os2* | vos* | palmos* | uclinux* | nucleus* \
> ++         | morphos* | superux* | rtmk* | windiss* \
> ++         | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
> ++         | skyos* | haiku* | rdos* | toppers* | drops* | es* \
> ++         | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
> ++         | midnightbsd*)
> +     # Remember, each alternative MUST END IN *, to match a version number.
> +             ;;
> +-    -qnx*)
> ++    qnx*)
> +             case $basic_machine in
> +                 x86-* | i*86-*)
> +                     ;;
> +                 *)
> +-                    os=-nto$os
> ++                    os=nto-$os
> +                     ;;
> +             esac
> +             ;;
> +-    -nto-qnx*)
> ++    hiux*)
> ++            os=hiuxwe2
> +             ;;
> +-    -nto*)
> +-            os=`echo $os | sed -e 's|nto|nto-qnx|'`
> ++    nto-qnx*)
> +             ;;
> +-    -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
> +-          | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* 
> \
> +-          | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
> ++    nto*)
> ++            os=`echo $os | sed -e 's|nto|nto-qnx|'`
> +             ;;
> +-    -mac*)
> +-            os=`echo $os | sed -e 's|mac|macos|'`
> ++    sim | xray | os68k* | v88r* \
> ++        | windows* | osx | abug | netware* | os9* \
> ++        | macos* | mpw* | magic* | mmixware* | mon960* | lnews*)
> +             ;;
> +-    -linux-dietlibc)
> +-            os=-linux-dietlibc
> ++    linux-dietlibc)
> ++            os=linux-dietlibc
> +             ;;
> +-    -linux*)
> ++    linux*)
> +             os=`echo $os | sed -e 's|linux|linux-gnu|'`
> +             ;;
> +-    -sunos5*)
> +-            os=`echo $os | sed -e 's|sunos5|solaris2|'`
> ++    lynx*178)
> ++            os=lynxos178
> ++            ;;
> ++    lynx*5)
> ++            os=lynxos5
> ++            ;;
> ++    lynx*)
> ++            os=lynxos
> +             ;;
> +-    -sunos6*)
> +-            os=`echo $os | sed -e 's|sunos6|solaris3|'`
> ++    mac*)
> ++            os=`echo "$os" | sed -e 's|mac|macos|'`
> +             ;;
> +-    -opened*)
> +-            os=-openedition
> ++    opened*)
> ++            os=openedition
> +             ;;
> +-        -os400*)
> +-            os=-os400
> ++    os400*)
> ++            os=os400
> +             ;;
> +-    -wince*)
> +-            os=-wince
> ++    sunos5*)
> ++            os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
> +             ;;
> +-    -osfrose*)
> +-            os=-osfrose
> ++    sunos6*)
> ++            os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
> +             ;;
> +-    -osf*)
> +-            os=-osf
> ++    wince*)
> ++            os=wince
> +             ;;
> +-    -utek*)
> +-            os=-bsd
> ++    utek*)
> ++            os=bsd
> +             ;;
> +-    -dynix*)
> +-            os=-bsd
> ++    dynix*)
> ++            os=bsd
> +             ;;
> +-    -acis*)
> +-            os=-aos
> ++    acis*)
> ++            os=aos
> +             ;;
> +-    -atheos*)
> +-            os=-atheos
> ++    atheos*)
> ++            os=atheos
> +             ;;
> +-    -syllable*)
> +-            os=-syllable
> ++    syllable*)
> ++            os=syllable
> +             ;;
> +-    -386bsd)
> +-            os=-bsd
> ++    386bsd)
> ++            os=bsd
> +             ;;
> +-    -ctix* | -uts*)
> +-            os=-sysv
> ++    ctix* | uts*)
> ++            os=sysv
> +             ;;
> +-    -nova*)
> +-            os=-rtmk-nova
> ++    nova*)
> ++            os=rtmk-nova
> +             ;;
> +-    -ns2 )
> +-            os=-nextstep2
> ++    ns2)
> ++            os=nextstep2
> +             ;;
> +-    -nsk*)
> +-            os=-nsk
> ++    nsk*)
> ++            os=nsk
> +             ;;
> +     # Preserve the version number of sinix5.
> +-    -sinix5.*)
> ++    sinix5.*)
> +             os=`echo $os | sed -e 's|sinix|sysv|'`
> +             ;;
> +-    -sinix*)
> +-            os=-sysv4
> ++    sinix*)
> ++            os=sysv4
> +             ;;
> +-        -tpf*)
> +-            os=-tpf
> ++    tpf*)
> ++            os=tpf
> +             ;;
> +-    -triton*)
> +-            os=-sysv3
> ++    triton*)
> ++            os=sysv3
> +             ;;
> +-    -oss*)
> +-            os=-sysv3
> ++    oss*)
> ++            os=sysv3
> +             ;;
> +-    -svr4)
> +-            os=-sysv4
> ++    svr4*)
> ++            os=sysv4
> +             ;;
> +-    -svr3)
> +-            os=-sysv3
> ++    svr3)
> ++            os=sysv3
> +             ;;
> +-    -sysvr4)
> +-            os=-sysv4
> ++    sysvr4)
> ++            os=sysv4
> +             ;;
> +-    # This must come after -sysvr4.
> +-    -sysv*)
> ++    # This must come after sysvr4.
> ++    sysv*)
> +             ;;
> +-    -ose*)
> +-            os=-ose
> ++    ose*)
> ++            os=ose
> +             ;;
> +-    -es1800*)
> +-            os=-ose
> ++    *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
> ++            os=mint
> +             ;;
> +-    -xenix)
> +-            os=-xenix
> ++    zvmoe)
> ++            os=zvmoe
> +             ;;
> +-    -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
> +-            os=-mint
> ++    dicos*)
> ++            os=dicos
> +             ;;
> +-    -aros*)
> +-            os=-aros
> ++    pikeos*)
> ++            # Until real need of OS specific support for
> ++            # particular features comes up, bare metal
> ++            # configurations are quite functional.
> ++            case $basic_machine in
> ++                arm*)
> ++                    os=eabi
> ++                    ;;
> ++                *)
> ++                    os=elf
> ++                    ;;
> ++            esac
> +             ;;
> +-    -kaos*)
> +-            os=-kaos
> ++    nacl*)
> +             ;;
> +-    -zvmoe)
> +-            os=-zvmoe
> ++    ios)
> +             ;;
> +-    -dicos*)
> +-            os=-dicos
> ++    none)
> +             ;;
> +-    -none)
> ++    *-eabi)
> +             ;;
> +     *)
> +-            # Get rid of the `-' at the beginning of $os.
> +-            os=`echo $os | sed 's/[^-]*-//'`
> +-            echo Invalid configuration \`$1\': system \`$os\' not 
> recognized 1>&2
> ++            echo Invalid configuration \`"$1"\': system \`"$os"\' not 
> recognized 1>&2
> +             exit 1
> +             ;;
> + esac
> +@@ -1438,165 +1542,180 @@ else
> + # system, and we'll never get to this point.
> + 
> + case $basic_machine in
> +-        score-*)
> +-            os=-elf
> ++    score-*)
> ++            os=elf
> +             ;;
> +-        spu-*)
> +-            os=-elf
> ++    spu-*)
> ++            os=elf
> +             ;;
> +     *-acorn)
> +-            os=-riscix1.2
> ++            os=riscix1.2
> +             ;;
> +     arm*-rebel)
> +-            os=-linux
> ++            os=linux
> +             ;;
> +     arm*-semi)
> +-            os=-aout
> ++            os=aout
> ++            ;;
> ++    c4x-* | tic4x-*)
> ++            os=coff
> ++            ;;
> ++    c8051-*)
> ++            os=elf
> ++            ;;
> ++    clipper-intergraph)
> ++            os=clix
> +             ;;
> +-        c4x-* | tic4x-*)
> +-            os=-coff
> ++    hexagon-*)
> ++            os=elf
> ++            ;;
> ++    tic54x-*)
> ++            os=coff
> ++            ;;
> ++    tic55x-*)
> ++            os=coff
> ++            ;;
> ++    tic6x-*)
> ++            os=coff
> +             ;;
> +     # This must come before the *-dec entry.
> +     pdp10-*)
> +-            os=-tops20
> ++            os=tops20
> +             ;;
> +     pdp11-*)
> +-            os=-none
> ++            os=none
> +             ;;
> +     *-dec | vax-*)
> +-            os=-ultrix4.2
> ++            os=ultrix4.2
> +             ;;
> +     m68*-apollo)
> +-            os=-domain
> ++            os=domain
> +             ;;
> +     i386-sun)
> +-            os=-sunos4.0.2
> ++            os=sunos4.0.2
> +             ;;
> +     m68000-sun)
> +-            os=-sunos3
> +-            # This also exists in the configure program, but was not the
> +-            # default.
> +-            # os=-sunos4
> ++            os=sunos3
> +             ;;
> +     m68*-cisco)
> +-            os=-aout
> ++            os=aout
> +             ;;
> +-        mep-*)
> +-            os=-elf
> ++    mep-*)
> ++            os=elf
> +             ;;
> +     mips*-cisco)
> +-            os=-elf
> ++            os=elf
> +             ;;
> +     mips*-*)
> +-            os=-elf
> ++            os=elf
> +             ;;
> +     or32-*)
> +-            os=-coff
> ++            os=coff
> +             ;;
> +     *-tti)  # must be before sparc entry or we get the wrong os.
> +-            os=-sysv3
> ++            os=sysv3
> +             ;;
> +     sparc-* | *-sun)
> +-            os=-sunos4.1.1
> ++            os=sunos4.1.1
> +             ;;
> +-    *-be)
> +-            os=-beos
> ++    pru-*)
> ++            os=elf
> +             ;;
> +-    *-haiku)
> +-            os=-haiku
> ++    *-be)
> ++            os=beos
> +             ;;
> +     *-ibm)
> +-            os=-aix
> ++            os=aix
> +             ;;
> +-            *-knuth)
> +-            os=-mmixware
> ++    *-knuth)
> ++            os=mmixware
> +             ;;
> +     *-wec)
> +-            os=-proelf
> ++            os=proelf
> +             ;;
> +     *-winbond)
> +-            os=-proelf
> ++            os=proelf
> +             ;;
> +     *-oki)
> +-            os=-proelf
> ++            os=proelf
> +             ;;
> +     *-hp)
> +-            os=-hpux
> ++            os=hpux
> +             ;;
> +     *-hitachi)
> +-            os=-hiux
> ++            os=hiux
> +             ;;
> +     i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
> +-            os=-sysv
> ++            os=sysv
> +             ;;
> +     *-cbm)
> +-            os=-amigaos
> ++            os=amigaos
> +             ;;
> +     *-dg)
> +-            os=-dgux
> ++            os=dgux
> +             ;;
> +     *-dolphin)
> +-            os=-sysv3
> ++            os=sysv3
> +             ;;
> +     m68k-ccur)
> +-            os=-rtu
> ++            os=rtu
> +             ;;
> +     m88k-omron*)
> +-            os=-luna
> ++            os=luna
> +             ;;
> +-    *-next )
> +-            os=-nextstep
> ++    *-next)
> ++            os=nextstep
> +             ;;
> +     *-sequent)
> +-            os=-ptx
> ++            os=ptx
> +             ;;
> +     *-crds)
> +-            os=-unos
> ++            os=unos
> +             ;;
> +     *-ns)
> +-            os=-genix
> ++            os=genix
> +             ;;
> +     i370-*)
> +-            os=-mvs
> +-            ;;
> +-    *-next)
> +-            os=-nextstep3
> ++            os=mvs
> +             ;;
> +     *-gould)
> +-            os=-sysv
> ++            os=sysv
> +             ;;
> +     *-highlevel)
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     *-encore)
> +-            os=-bsd
> ++            os=bsd
> +             ;;
> +     *-sgi)
> +-            os=-irix
> ++            os=irix
> +             ;;
> +     *-siemens)
> +-            os=-sysv4
> ++            os=sysv4
> +             ;;
> +     *-masscomp)
> +-            os=-rtu
> ++            os=rtu
> +             ;;
> +     f30[01]-fujitsu | f700-fujitsu)
> +-            os=-uxpv
> ++            os=uxpv
> +             ;;
> +     *-rom68k)
> +-            os=-coff
> ++            os=coff
> +             ;;
> +     *-*bug)
> +-            os=-coff
> ++            os=coff
> +             ;;
> +     *-apple)
> +-            os=-macos
> ++            os=macos
> +             ;;
> +     *-atari*)
> +-            os=-mint
> ++            os=mint
> ++            ;;
> ++    *-wrs)
> ++            os=vxworks
> +             ;;
> +     *)
> +-            os=-none
> ++            os=none
> +             ;;
> + esac
> + fi
> +@@ -1607,79 +1726,82 @@ vendor=unknown
> + case $basic_machine in
> +     *-unknown)
> +             case $os in
> +-                    -riscix*)
> ++                    riscix*)
> +                             vendor=acorn
> +                             ;;
> +-                    -sunos*)
> ++                    sunos*)
> +                             vendor=sun
> +                             ;;
> +-                    -aix*)
> ++                    cnk*|-aix*)
> +                             vendor=ibm
> +                             ;;
> +-                    -beos*)
> ++                    beos*)
> +                             vendor=be
> +                             ;;
> +-                    -hpux*)
> ++                    hpux*)
> +                             vendor=hp
> +                             ;;
> +-                    -mpeix*)
> ++                    mpeix*)
> +                             vendor=hp
> +                             ;;
> +-                    -hiux*)
> ++                    hiux*)
> +                             vendor=hitachi
> +                             ;;
> +-                    -unos*)
> ++                    unos*)
> +                             vendor=crds
> +                             ;;
> +-                    -dgux*)
> ++                    dgux*)
> +                             vendor=dg
> +                             ;;
> +-                    -luna*)
> ++                    luna*)
> +                             vendor=omron
> +                             ;;
> +-                    -genix*)
> ++                    genix*)
> +                             vendor=ns
> +                             ;;
> +-                    -mvs* | -opened*)
> ++                    clix*)
> ++                            vendor=intergraph
> ++                            ;;
> ++                    mvs* | opened*)
> +                             vendor=ibm
> +                             ;;
> +-                    -os400*)
> ++                    os400*)
> +                             vendor=ibm
> +                             ;;
> +-                    -ptx*)
> ++                    ptx*)
> +                             vendor=sequent
> +                             ;;
> +-                    -tpf*)
> ++                    tpf*)
> +                             vendor=ibm
> +                             ;;
> +-                    -vxsim* | -vxworks* | -windiss*)
> ++                    vxsim* | vxworks* | windiss*)
> +                             vendor=wrs
> +                             ;;
> +-                    -aux*)
> ++                    aux*)
> +                             vendor=apple
> +                             ;;
> +-                    -hms*)
> ++                    hms*)
> +                             vendor=hitachi
> +                             ;;
> +-                    -mpw* | -macos*)
> ++                    mpw* | macos*)
> +                             vendor=apple
> +                             ;;
> +-                    -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
> ++                    *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
> +                             vendor=atari
> +                             ;;
> +-                    -vos*)
> ++                    vos*)
> +                             vendor=stratus
> +                             ;;
> +             esac
> +-            basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
> ++            basic_machine=`echo "$basic_machine" | sed "s/unknown/$vendor/"`
> +             ;;
> + esac
> + 
> +-echo $basic_machine$os
> ++echo "$basic_machine-$os"
> + exit
> + 
> + # Local variables:
> +-# eval: (add-hook 'write-file-hooks 'time-stamp)
> ++# eval: (add-hook 'before-save-hook 'time-stamp)
> + # time-stamp-start: "timestamp='"
> + # time-stamp-format: "%:y-%02m-%02d"
> + # time-stamp-end: "'"
> +-- 
> +2.17.1
> +
> diff --git a/meta-networking/recipes-protocols/bird/files/bird.init 
> b/meta-networking/recipes-protocols/bird/files/bird.init
> new file mode 100755
> index 000000000..ebef0f448
> --- /dev/null
> +++ b/meta-networking/recipes-protocols/bird/files/bird.init
> @@ -0,0 +1,2 @@
> +#!/bin/sh
> +exec /usr/sbin/bird -d -c /etc/bird.conf -s /var/run/bird.ctl
> 

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