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[pkgsrc/trunk]: pkgsrc/mk/gnu-config mk: config.{guess,sub}: sync w/ upstream



details:   https://anonhg.NetBSD.org/pkgsrc/rev/fab884fa531c
branches:  trunk
changeset: 458299:fab884fa531c
user:      tnn <tnn%pkgsrc.org@localhost>
date:      Sun Sep 12 10:38:17 2021 +0000

description:
mk: config.{guess,sub}: sync w/ upstream

- Needed for proper aarch64-apple-darwin* detection
- Upstream accepted NetBSD aarch64eb patch
- Manually merged config.guess revision 1.22 on top of the upstream version
  for NetBSD/evbarm fixes (currently the only local change we have)

Tested on:
  NetBSD x86_64, earmv7hf and aarch64
  macOS aarch64

diffstat:

 mk/gnu-config/config.guess |  1423 +++++++++++++++++++++++++------------------
 mk/gnu-config/config.sub   |   669 +++++++++++--------
 2 files changed, 1211 insertions(+), 881 deletions(-)

diffs (truncated from 3544 to 300 lines):

diff -r 561a1ab94bb1 -r fab884fa531c mk/gnu-config/config.guess
--- a/mk/gnu-config/config.guess        Sun Sep 12 10:36:53 2021 +0000
+++ b/mk/gnu-config/config.guess        Sun Sep 12 10:38:17 2021 +0000
@@ -1,8 +1,10 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2019 Free Software Foundation, Inc.
+#   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2019-01-03'
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2021-06-03'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -27,11 +29,19 @@
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
 #
 # Please send patches to <config-patches%gnu.org@localhost>.
 
 
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX.  However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
+
+
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
@@ -50,7 +60,7 @@
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2019 Free Software Foundation, Inc.
+Copyright 1992-2021 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."
@@ -84,6 +94,9 @@
   exit 1
 fi
 
+# Just in case it came from the environment.
+GUESS=
+
 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
 # compiler to aid in system detection is discouraged as it requires
 # temporary files to be created and, as you can see below, it is a
@@ -99,8 +112,10 @@
 trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15
 
 set_cc_for_build() {
+    # prevent multiple calls if $tmp is already set
+    test "$tmp" && return 0
     : "${TMPDIR=/tmp}"
-    # shellcheck disable=SC2039
+    # shellcheck disable=SC2039,SC3028
     { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
        { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
        { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
@@ -110,7 +125,7 @@
        ,,)    echo "int x;" > "$dummy.c"
               for driver in cc gcc c89 c99 ; do
                   if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
-                      CC_FOR_BUILD="$driver"
+                      CC_FOR_BUILD=$driver
                       break
                   fi
               done
@@ -131,14 +146,12 @@
 
 UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
 UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
-case "$UNAME_SYSTEM" in
+case $UNAME_SYSTEM in
 Linux|GNU|GNU/*)
-       # If the system lacks a compiler, then just pick glibc.
-       # We could probably try harder.
-       LIBC=gnu
+       LIBC=unknown
 
        set_cc_for_build
        cat <<-EOF > "$dummy.c"
@@ -147,24 +160,37 @@
        LIBC=uclibc
        #elif defined(__dietlibc__)
        LIBC=dietlibc
+       #elif defined(__GLIBC__)
+       LIBC=gnu
        #else
-       LIBC=gnu
+       #include <stdarg.h>
+       /* First heuristic to detect musl libc.  */
+       #ifdef __DEFINED_va_list
+       LIBC=musl
+       #endif
        #endif
        EOF
-       eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`"
+       cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
+       eval "$cc_set_libc"
 
-       # 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
+       # Second heuristic to detect musl libc.
+       if [ "$LIBC" = unknown ] &&
+          command -v ldd >/dev/null &&
+          ldd --version 2>&1 | grep -q ^musl; then
+               LIBC=musl
+       fi
+
+       # If the system lacks a compiler, then just pick glibc.
+       # We could probably try harder.
+       if [ "$LIBC" = unknown ]; then
+               LIBC=gnu
        fi
        ;;
 esac
 
 # 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 tuples: *-*-netbsdelf*, *-*-netbsdaout*,
@@ -176,12 +202,11 @@
        #
        # Note: NetBSD doesn't particularly care about the vendor
        # portion of the name.  We always set it to "unknown".
-       sysctl="sysctl -n hw.machine_arch"
        UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
-           "/sbin/$sysctl" 2>/dev/null || \
-           "/usr/sbin/$sysctl" 2>/dev/null || \
+           /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+           /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
            echo unknown)`
-       case "$UNAME_MACHINE_ARCH" in
+       case $UNAME_MACHINE_ARCH in
            aarch64eb) machine=aarch64_be-unknown ;;
            armeb) machine=armeb-unknown ;;
            arm*) machine=arm-unknown ;;
@@ -193,13 +218,13 @@
                arch="${arch%eb}"
                arch="${arch%hf}"
                endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
-               machine="${arch}${endian}"-unknown
+               machine=${arch}${endian}-unknown
                ;;
-           *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
+           *) machine=$UNAME_MACHINE_ARCH-unknown ;;
        esac
        # The Operating System including object format, if it has switched
        # to ELF recently (or will in the future) and ABI.
-       case "$UNAME_MACHINE_ARCH" in
+       case $UNAME_MACHINE_ARCH in
            earm*)
                os=netbsdelf
                ;;
@@ -220,7 +245,7 @@
                ;;
        esac
        # Determine ABI tags.
-       case "$UNAME_MACHINE_ARCH" in
+       case $UNAME_MACHINE_ARCH in
            earm*)
                expr='s/v[0-9]//;s/earm/-eabi/;s/eb$//'
                abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
@@ -231,7 +256,7 @@
        # 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 $UNAME_VERSION in
            Debian*)
                release='-gnu'
                ;;
@@ -242,45 +267,57 @@
        # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
        # contains redundant information, the shorter form:
        # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-       echo "$machine-${os}${release}${abi-}"
-       exit ;;
+       GUESS=$machine-${os}${release}${abi-}
+       ;;
     *:Bitrig:*:*)
        UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
-       echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE
+       ;;
     *:OpenBSD:*:*)
        UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
-       echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE
+       ;;
+    *:SecBSD:*:*)
+       UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'`
+       GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE
+       ;;
     *:LibertyBSD:*:*)
        UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
-       echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE
+       ;;
     *:MidnightBSD:*:*)
-       echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE
+       ;;
     *:ekkoBSD:*:*)
-       echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE
+       ;;
     *:SolidBSD:*:*)
-       echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE
+       ;;
+    *:OS108:*:*)
+       GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE
+       ;;
     macppc:MirBSD:*:*)
-       echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE
+       ;;
     *:MirBSD:*:*)
-       echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE
+       ;;
     *:Sortix:*:*)
-       echo "$UNAME_MACHINE"-unknown-sortix
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-sortix
+       ;;
+    *:Twizzler:*:*)
+       GUESS=$UNAME_MACHINE-unknown-twizzler
+       ;;
     *:Redox:*:*)
-       echo "$UNAME_MACHINE"-unknown-redox
-       exit ;;
+       GUESS=$UNAME_MACHINE-unknown-redox
+       ;;
     mips:OSF1:*.*)
-        echo mips-dec-osf1
-        exit ;;
+       GUESS=mips-dec-osf1
+       ;;
     alpha:OSF1:*:*)
+       # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+       trap '' 0
        case $UNAME_RELEASE in
        *4.0)
                UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
@@ -294,7 +331,7 @@
        # covers most systems running today.  This code pipes the CPU
        # types through head -n 1, so we only detect the type of CPU 0.
        ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
-       case "$ALPHA_CPU_TYPE" in
+       case $ALPHA_CPU_TYPE in
            "EV4 (21064)")
                UNAME_MACHINE=alpha ;;
            "EV4.5 (21064)")
@@ -331,88 +368,76 @@
        # A Tn.n version is a released field test version.
        # A Xn.n version is an unreleased experimental baselevel.
        # 1.2 uses "1.2" for uname -r.
-       echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
-       # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
-       exitcode=$?
-       trap '' 0
-       exit $exitcode ;;
+       OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+       GUESS=$UNAME_MACHINE-dec-osf$OSF_REL
+       ;;
     Amiga*:UNIX_System_V:4.0:*)
-       echo m68k-unknown-sysv4
-       exit ;;
+       GUESS=m68k-unknown-sysv4
+       ;;



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