]> git.ipfire.org Git - thirdparty/Python/cpython.git/commitdiff
Update CI files to account for the master -> main rename (GH-25860)
authorPablo Galindo <Pablogsal@gmail.com>
Mon, 3 May 2021 22:36:55 +0000 (23:36 +0100)
committerGitHub <noreply@github.com>
Mon, 3 May 2021 22:36:55 +0000 (23:36 +0100)
15 files changed:
.azure-pipelines/ci.yml
.azure-pipelines/pr.yml
.github/CONTRIBUTING.rst
.github/PULL_REQUEST_TEMPLATE.md
.github/workflows/build.yml
.github/workflows/build_msi.yml
.github/workflows/doc.yml
.travis.yml
PC/pyconfig.h
README.rst
aclocal.m4
config.guess
config.sub
configure
install-sh

index 0fe754bb071ea3d93c7234c0255150886d9a8134..b2ce9e75df64f771d9f5bcaae28506662124419d 100644 (file)
@@ -1,7 +1,7 @@
 variables:
   coverage: false
 
-trigger: ['master', '3.9', '3.8', '3.7']
+trigger: ['main', '3.9', '3.8', '3.7']
 
 jobs:
 - job: Prebuild
index 2d32e6d49bcc0e6eedf05db78029f1aad085dbff..9360d37baec682e0071e61b433920d42eb5e4fe9 100644 (file)
@@ -1,7 +1,7 @@
 variables:
   coverage: false
 
-pr: ['master', '3.9', '3.8', '3.7']
+pr: ['main', '3.9', '3.8', '3.7']
 
 jobs:
 - job: Prebuild
index a81935d3c9da764d494956c5688fe03f7948c47d..2ac148e3965b9df8d1832c11e79b0cac5a46e12a 100644 (file)
@@ -4,7 +4,7 @@ Contributing to Python
 Build Status
 ------------
 
-- master
+- main
 
   + `Stable buildbots <http://buildbot.python.org/3.x.stable/>`_
 
index 2731c0e8e5503b034efbc9991f9de6decc398c66..79ceb175c28f474dfa3c5a3176ebdb99457532a4 100644 (file)
@@ -16,7 +16,7 @@ Most PRs will require an issue number. Trivial changes, like fixing a typo, do n
 
 # Backport Pull Request title
 
-If this is a backport PR (PR made against branches other than `master`),
+If this is a backport PR (PR made against branches other than `main`),
 please ensure that the PR title is in the following format:
 
 ```
@@ -25,6 +25,6 @@ please ensure that the PR title is in the following format:
 
 Where: [X.Y] is the branch name, e.g. [3.6].
 
-GH-NNNN refers to the PR number from `master`.
+GH-NNNN refers to the PR number from `main`.
 
 -->
index 41200bb957e47c09f9612b0a90cb1612fafde0c2..baa15f39baa9cea00f3969e40c83c0a7a3a4fbd0 100644 (file)
@@ -6,13 +6,13 @@ name: Tests
 on:
   push:
     branches:
-    - master
+    - main
     - 3.9
     - 3.8
     - 3.7
   pull_request:
     branches:
-    - master
+    - main
     - 3.9
     - 3.8
     - 3.7
index 182eb7ce571671b3ff429e679c3be2fffdbc9cf5..074f70df4e7a6bf039270f5f5aa6619d6c1fb221 100644 (file)
@@ -3,7 +3,7 @@ name: TestsMSI
 on:
   push:
     branches:
-    - master
+    - main
     - 3.9
     - 3.8
     - 3.7
@@ -11,7 +11,7 @@ on:
     - 'Tools/msi/**'
   pull_request:
     branches:
-    - master
+    - main
     - 3.9
     - 3.8
     - 3.7
index 8924fc992e25e61cf9a0408d54eae924bda8dbd1..2f2aea5de4812838b60b9d5102be71cb2ccf643e 100644 (file)
@@ -3,7 +3,7 @@ name: Docs
 on:
   #push:
   #  branches:
-  #  - master
+  #  - main
   #  - 3.9
   #  - 3.8
   #  - 3.7
@@ -11,7 +11,7 @@ on:
   #  - 'Doc/**'
   pull_request:
     branches:
-    - master
+    - main
     - 3.9
     - 3.8
     - 3.7
index 1112a0b266227bf67801576277e30807436a5cbb..c92404559a7d3a23bb89a8edf03716fe8bb3520c 100644 (file)
@@ -21,7 +21,7 @@ env:
 
 branches:
   only:
-    - master
+    - main
     - /^\d\.\d+$/
     - buildbot-custom
 
index 103e647ac832124f9f5ddb70b09f8312f360b91c..012a89aab2bc8e5eac307fd5e5d6431acb82856e 100644 (file)
@@ -268,11 +268,11 @@ Py_NO_ENABLE_SHARED to find out.  Also support MS_NO_COREDLL for b/w compat */
                         file in their Makefile (other compilers are
                         generally taken care of by distutils.) */
 #                       if defined(_DEBUG)
-#                               pragma comment(lib,"python310_d.lib")
+#                               pragma comment(lib,"python311_d.lib")
 #                       elif defined(Py_LIMITED_API)
 #                               pragma comment(lib,"python3.lib")
 #                       else
-#                               pragma comment(lib,"python310.lib")
+#                               pragma comment(lib,"python311.lib")
 #                       endif /* _DEBUG */
 #               endif /* _MSC_VER */
 #       endif /* Py_BUILD_CORE */
index 165cb1d9f396a9de3789a888ce69fd212f9204ce..f5a0addd043f6eac08d189d6dfd5805e6d956533 100644 (file)
@@ -1,7 +1,7 @@
 This is Python version 3.11.0 alpha 1
 =====================================
 
-.. image:: https://travis-ci.com/python/cpython.svg?branch=master
+.. image:: https://travis-ci.com/python/cpython.svg?branch=main
    :alt: CPython build status on Travis CI
    :target: https://travis-ci.com/python/cpython
 
@@ -9,9 +9,9 @@ This is Python version 3.11.0 alpha 1
    :alt: CPython build status on GitHub Actions
    :target: https://github.com/python/cpython/actions
 
-.. image:: https://dev.azure.com/python/cpython/_apis/build/status/Azure%20Pipelines%20CI?branchName=master
+.. image:: https://dev.azure.com/python/cpython/_apis/build/status/Azure%20Pipelines%20CI?branchName=main
    :alt: CPython build status on Azure DevOps
-   :target: https://dev.azure.com/python/cpython/_build/latest?definitionId=4&branchName=master
+   :target: https://dev.azure.com/python/cpython/_build/latest?definitionId=4&branchName=main
 
 .. image:: https://img.shields.io/badge/discourse-join_chat-brightgreen.svg
    :alt: Python Discourse chat
@@ -75,10 +75,10 @@ dependencies for various Linux distributions and macOS.
 
 On macOS, there are additional configure and build options related
 to macOS framework and universal builds.  Refer to `Mac/README.rst
-<https://github.com/python/cpython/blob/master/Mac/README.rst>`_.
+<https://github.com/python/cpython/blob/main/Mac/README.rst>`_.
 
 On Windows, see `PCbuild/readme.txt
-<https://github.com/python/cpython/blob/master/PCbuild/readme.txt>`_.
+<https://github.com/python/cpython/blob/main/PCbuild/readme.txt>`_.
 
 If you wish, you can create a subdirectory and invoke configure from there.
 For example::
@@ -139,9 +139,9 @@ What's New
 We have a comprehensive overview of the changes in the `What's New in Python
 3.10 <https://docs.python.org/3.10/whatsnew/3.10.html>`_ document.  For a more
 detailed change log, read `Misc/NEWS
-<https://github.com/python/cpython/blob/master/Misc/NEWS.d>`_, but a full
+<https://github.com/python/cpython/blob/main/Misc/NEWS.d>`_, but a full
 accounting of changes can only be gleaned from the `commit history
-<https://github.com/python/cpython/commits/master>`_.
+<https://github.com/python/cpython/commits/main>`_.
 
 If you want to install multiple versions of Python, see the section below
 entitled "Installing multiple versions".
@@ -159,7 +159,7 @@ is primarily for documentation authors, translators, and people with special
 formatting requirements.
 
 For information about building Python's documentation, refer to `Doc/README.rst
-<https://github.com/python/cpython/blob/master/Doc/README.rst>`_.
+<https://github.com/python/cpython/blob/main/Doc/README.rst>`_.
 
 
 Converting From Python 2.x to 3.x
@@ -255,7 +255,7 @@ rights reserved.
 
 Copyright (c) 1991-1995 Stichting Mathematisch Centrum.  All rights reserved.
 
-See the `LICENSE <https://github.com/python/cpython/blob/master/LICENSE>`_ for
+See the `LICENSE <https://github.com/python/cpython/blob/main/LICENSE>`_ for
 information on the history of this software, terms & conditions for usage, and a
 DISCLAIMER OF ALL WARRANTIES.
 
index f497f2876850685ce3d1a0d8e7ffb2c460e6462f..1133004b86a216ce7edf4cc479f95d0215b8b30b 100644 (file)
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.16.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
 
-# Copyright (C) 1996-2020 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -275,347 +275,3 @@ AC_DEFUN([AX_CHECK_OPENSSL], [
     AC_SUBST([OPENSSL_LDFLAGS])
 ])
 
-# pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
-# serial 11 (pkg-config-0.29.1)
-
-dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
-dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
-dnl
-dnl This program is free software; you can redistribute it and/or modify
-dnl it under the terms of the GNU General Public License as published by
-dnl the Free Software Foundation; either version 2 of the License, or
-dnl (at your option) any later version.
-dnl
-dnl This program is distributed in the hope that it will be useful, but
-dnl WITHOUT ANY WARRANTY; without even the implied warranty of
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-dnl General Public License for more details.
-dnl
-dnl You should have received a copy of the GNU General Public License
-dnl along with this program; if not, write to the Free Software
-dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-dnl 02111-1307, USA.
-dnl
-dnl As a special exception to the GNU General Public License, if you
-dnl distribute this file as part of a program that contains a
-dnl configuration script generated by Autoconf, you may include it under
-dnl the same distribution terms that you use for the rest of that
-dnl program.
-
-dnl PKG_PREREQ(MIN-VERSION)
-dnl -----------------------
-dnl Since: 0.29
-dnl
-dnl Verify that the version of the pkg-config macros are at least
-dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
-dnl installed version of pkg-config, this checks the developer's version
-dnl of pkg.m4 when generating configure.
-dnl
-dnl To ensure that this macro is defined, also add:
-dnl m4_ifndef([PKG_PREREQ],
-dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
-dnl
-dnl See the "Since" comment for each macro you use to see what version
-dnl of the macros you require.
-m4_defun([PKG_PREREQ],
-[m4_define([PKG_MACROS_VERSION], [0.29.1])
-m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
-    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
-])dnl PKG_PREREQ
-
-dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
-dnl ----------------------------------
-dnl Since: 0.16
-dnl
-dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
-dnl first found in the path. Checks that the version of pkg-config found
-dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
-dnl used since that's the first version where most current features of
-dnl pkg-config existed.
-AC_DEFUN([PKG_PROG_PKG_CONFIG],
-[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
-m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
-m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
-AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
-AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
-AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
-
-if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
-       AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
-fi
-if test -n "$PKG_CONFIG"; then
-       _pkg_min_version=m4_default([$1], [0.9.0])
-       AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
-       if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
-               AC_MSG_RESULT([yes])
-       else
-               AC_MSG_RESULT([no])
-               PKG_CONFIG=""
-       fi
-fi[]dnl
-])dnl PKG_PROG_PKG_CONFIG
-
-dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-dnl -------------------------------------------------------------------
-dnl Since: 0.18
-dnl
-dnl Check to see whether a particular set of modules exists. Similar to
-dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
-dnl
-dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-dnl only at the first occurence in configure.ac, so if the first place
-dnl it's called might be skipped (such as if it is within an "if", you
-dnl have to call PKG_CHECK_EXISTS manually
-AC_DEFUN([PKG_CHECK_EXISTS],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-if test -n "$PKG_CONFIG" && \
-    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
-  m4_default([$2], [:])
-m4_ifvaln([$3], [else
-  $3])dnl
-fi])
-
-dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
-dnl ---------------------------------------------
-dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
-dnl pkg_failed based on the result.
-m4_define([_PKG_CONFIG],
-[if test -n "$$1"; then
-    pkg_cv_[]$1="$$1"
- elif test -n "$PKG_CONFIG"; then
-    PKG_CHECK_EXISTS([$3],
-                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
-                     test "x$?" != "x0" && pkg_failed=yes ],
-                    [pkg_failed=yes])
- else
-    pkg_failed=untried
-fi[]dnl
-])dnl _PKG_CONFIG
-
-dnl _PKG_SHORT_ERRORS_SUPPORTED
-dnl ---------------------------
-dnl Internal check to see if pkg-config supports short errors.
-AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
-        _pkg_short_errors_supported=yes
-else
-        _pkg_short_errors_supported=no
-fi[]dnl
-])dnl _PKG_SHORT_ERRORS_SUPPORTED
-
-
-dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
-dnl   [ACTION-IF-NOT-FOUND])
-dnl --------------------------------------------------------------
-dnl Since: 0.4.0
-dnl
-dnl Note that if there is a possibility the first call to
-dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
-dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
-AC_DEFUN([PKG_CHECK_MODULES],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
-AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
-
-pkg_failed=no
-AC_MSG_CHECKING([for $1])
-
-_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
-_PKG_CONFIG([$1][_LIBS], [libs], [$2])
-
-m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
-and $1[]_LIBS to avoid the need to call pkg-config.
-See the pkg-config man page for more details.])
-
-if test $pkg_failed = yes; then
-       AC_MSG_RESULT([no])
-        _PKG_SHORT_ERRORS_SUPPORTED
-        if test $_pkg_short_errors_supported = yes; then
-               $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
-        else 
-               $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
-        fi
-       # Put the nasty error message in config.log where it belongs
-       echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
-
-       m4_default([$4], [AC_MSG_ERROR(
-[Package requirements ($2) were not met:
-
-$$1_PKG_ERRORS
-
-Consider adjusting the PKG_CONFIG_PATH environment variable if you
-installed software in a non-standard prefix.
-
-_PKG_TEXT])[]dnl
-        ])
-elif test $pkg_failed = untried; then
-       AC_MSG_RESULT([no])
-       m4_default([$4], [AC_MSG_FAILURE(
-[The pkg-config script could not be found or is too old.  Make sure it
-is in your PATH or set the PKG_CONFIG environment variable to the full
-path to pkg-config.
-
-_PKG_TEXT
-
-To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
-        ])
-else
-       $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
-       $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
-        AC_MSG_RESULT([yes])
-       $3
-fi[]dnl
-])dnl PKG_CHECK_MODULES
-
-
-dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
-dnl   [ACTION-IF-NOT-FOUND])
-dnl ---------------------------------------------------------------------
-dnl Since: 0.29
-dnl
-dnl Checks for existence of MODULES and gathers its build flags with
-dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
-dnl and VARIABLE-PREFIX_LIBS from --libs.
-dnl
-dnl Note that if there is a possibility the first call to
-dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
-dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
-dnl configure.ac.
-AC_DEFUN([PKG_CHECK_MODULES_STATIC],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-_save_PKG_CONFIG=$PKG_CONFIG
-PKG_CONFIG="$PKG_CONFIG --static"
-PKG_CHECK_MODULES($@)
-PKG_CONFIG=$_save_PKG_CONFIG[]dnl
-])dnl PKG_CHECK_MODULES_STATIC
-
-
-dnl PKG_INSTALLDIR([DIRECTORY])
-dnl -------------------------
-dnl Since: 0.27
-dnl
-dnl Substitutes the variable pkgconfigdir as the location where a module
-dnl should install pkg-config .pc files. By default the directory is
-dnl $libdir/pkgconfig, but the default can be changed by passing
-dnl DIRECTORY. The user can override through the --with-pkgconfigdir
-dnl parameter.
-AC_DEFUN([PKG_INSTALLDIR],
-[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
-m4_pushdef([pkg_description],
-    [pkg-config installation directory @<:@]pkg_default[@:>@])
-AC_ARG_WITH([pkgconfigdir],
-    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
-    [with_pkgconfigdir=]pkg_default)
-AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
-m4_popdef([pkg_default])
-m4_popdef([pkg_description])
-])dnl PKG_INSTALLDIR
-
-
-dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
-dnl --------------------------------
-dnl Since: 0.27
-dnl
-dnl Substitutes the variable noarch_pkgconfigdir as the location where a
-dnl module should install arch-independent pkg-config .pc files. By
-dnl default the directory is $datadir/pkgconfig, but the default can be
-dnl changed by passing DIRECTORY. The user can override through the
-dnl --with-noarch-pkgconfigdir parameter.
-AC_DEFUN([PKG_NOARCH_INSTALLDIR],
-[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
-m4_pushdef([pkg_description],
-    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
-AC_ARG_WITH([noarch-pkgconfigdir],
-    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
-    [with_noarch_pkgconfigdir=]pkg_default)
-AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
-m4_popdef([pkg_default])
-m4_popdef([pkg_description])
-])dnl PKG_NOARCH_INSTALLDIR
-
-
-dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
-dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-dnl -------------------------------------------
-dnl Since: 0.28
-dnl
-dnl Retrieves the value of the pkg-config variable for the given module.
-AC_DEFUN([PKG_CHECK_VAR],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
-
-_PKG_CONFIG([$1], [variable="][$3]["], [$2])
-AS_VAR_COPY([$1], [pkg_cv_][$1])
-
-AS_VAR_IF([$1], [""], [$5], [$4])dnl
-])dnl PKG_CHECK_VAR
-
-dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES,
-dnl   [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND],
-dnl   [DESCRIPTION], [DEFAULT])
-dnl ------------------------------------------
-dnl
-dnl Prepare a "--with-" configure option using the lowercase
-dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and
-dnl PKG_CHECK_MODULES in a single macro.
-AC_DEFUN([PKG_WITH_MODULES],
-[
-m4_pushdef([with_arg], m4_tolower([$1]))
-
-m4_pushdef([description],
-           [m4_default([$5], [build with ]with_arg[ support])])
-
-m4_pushdef([def_arg], [m4_default([$6], [auto])])
-m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes])
-m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no])
-
-m4_case(def_arg,
-            [yes],[m4_pushdef([with_without], [--without-]with_arg)],
-            [m4_pushdef([with_without],[--with-]with_arg)])
-
-AC_ARG_WITH(with_arg,
-     AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),,
-    [AS_TR_SH([with_]with_arg)=def_arg])
-
-AS_CASE([$AS_TR_SH([with_]with_arg)],
-            [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)],
-            [auto],[PKG_CHECK_MODULES([$1],[$2],
-                                        [m4_n([def_action_if_found]) $3],
-                                        [m4_n([def_action_if_not_found]) $4])])
-
-m4_popdef([with_arg])
-m4_popdef([description])
-m4_popdef([def_arg])
-
-])dnl PKG_WITH_MODULES
-
-dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
-dnl   [DESCRIPTION], [DEFAULT])
-dnl -----------------------------------------------
-dnl
-dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES
-dnl check._[VARIABLE-PREFIX] is exported as make variable.
-AC_DEFUN([PKG_HAVE_WITH_MODULES],
-[
-PKG_WITH_MODULES([$1],[$2],,,[$3],[$4])
-
-AM_CONDITIONAL([HAVE_][$1],
-               [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"])
-])dnl PKG_HAVE_WITH_MODULES
-
-dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
-dnl   [DESCRIPTION], [DEFAULT])
-dnl ------------------------------------------------------
-dnl
-dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after
-dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make
-dnl and preprocessor variable.
-AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES],
-[
-PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4])
-
-AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
-        [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
-])dnl PKG_HAVE_DEFINE_WITH_MODULES
-
index 256083a70d35921d544b15f4f51749af89d18b89..1972fda8eb05d040c1390495644252fc92fa2d10 100755 (executable)
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2018 Free Software Foundation, Inc.
+#   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2018-03-08'
+timestamp='2021-01-25'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -27,12 +27,12 @@ timestamp='2018-03-08'
 # 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>.
 
 
-me=`echo "$0" | sed -e 's,.*/,,'`
+me=$(echo "$0" | sed -e 's,.*/,,')
 
 usage="\
 Usage: $0 [OPTION]
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2018 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."
@@ -84,8 +84,6 @@ if test $# != 0; then
   exit 1
 fi
 
-trap 'exit 1' 1 2 15
-
 # 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
@@ -96,66 +94,82 @@ trap 'exit 1' 1 2 15
 
 # Portable tmp directory creation inspired by the Autoconf team.
 
-set_cc_for_build='
-trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
-trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
-: ${TMPDIR=/tmp} ;
- { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
- { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
- { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
- { echo "$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" ;
-       for c in cc gcc c89 c99 ; do
-         if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
-            CC_FOR_BUILD="$c"; break ;
-         fi ;
-       done ;
-       if test x"$CC_FOR_BUILD" = x ; then
-         CC_FOR_BUILD=no_compiler_found ;
-       fi
-       ;;
- ,,*)   CC_FOR_BUILD=$CC ;;
- ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-esac ; set_cc_for_build= ;'
+tmp=
+# shellcheck disable=SC2172
+trap 'test -z "$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
+    : "${TMPDIR=/tmp}"
+    # shellcheck disable=SC2039
+    { tmp=$( (umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null) && test -n "$tmp" && test -d "$tmp" ; } ||
+       { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
+       { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+       { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
+    dummy=$tmp/dummy
+    case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
+       ,,)    echo "int x;" > "$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"
+                      break
+                  fi
+              done
+              if test x"$CC_FOR_BUILD" = x ; then
+                  CC_FOR_BUILD=no_compiler_found
+              fi
+              ;;
+       ,,*)   CC_FOR_BUILD=$CC ;;
+       ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+    esac
+}
 
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 # (ghazi@noc.rutgers.edu 1994-08-24)
-if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+if test -f /.attbin/uname ; then
        PATH=$PATH:/.attbin ; export PATH
 fi
 
-UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
-UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
-UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
-UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+UNAME_MACHINE=$( (uname -m) 2>/dev/null) || UNAME_MACHINE=unknown
+UNAME_RELEASE=$( (uname -r) 2>/dev/null) || UNAME_RELEASE=unknown
+UNAME_SYSTEM=$( (uname -s) 2>/dev/null) || UNAME_SYSTEM=unknown
+UNAME_VERSION=$( (uname -v) 2>/dev/null) || UNAME_VERSION=unknown
 
 case "$UNAME_SYSTEM" in
 Linux|GNU|GNU/*)
-       # If the system lacks a compiler, then just pick glibc.
-       # We could probably try harder.
-       LIBC=gnu
+       LIBC=unknown
 
-       eval "$set_cc_for_build"
+       set_cc_for_build
        cat <<-EOF > "$dummy.c"
        #include <features.h>
        #if defined(__UCLIBC__)
        LIBC=uclibc
        #elif defined(__dietlibc__)
        LIBC=dietlibc
-       #else
+       #elif defined(__GLIBC__)
        LIBC=gnu
+       #else
+       #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'`"
+       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
+       # 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
@@ -174,20 +188,20 @@ 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=`(uname -p 2>/dev/null || \
-           "/sbin/$sysctl" 2>/dev/null || \
-           "/usr/sbin/$sysctl" 2>/dev/null || \
-           echo unknown)`
+       UNAME_MACHINE_ARCH=$( (uname -p 2>/dev/null || \
+           /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+           /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
+           echo unknown))
        case "$UNAME_MACHINE_ARCH" in
+           aarch64eb) machine=aarch64_be-unknown ;;
            armeb) machine=armeb-unknown ;;
            arm*) machine=arm-unknown ;;
            sh3el) machine=shl-unknown ;;
            sh3eb) machine=sh-unknown ;;
            sh5el) machine=sh5le-unknown ;;
            earmv*)
-               arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
-               endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
+               arch=$(echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,')
+               endian=$(echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p')
                machine="${arch}${endian}"-unknown
                ;;
            *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
@@ -199,7 +213,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
                os=netbsdelf
                ;;
            arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-               eval "$set_cc_for_build"
+               set_cc_for_build
                if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
                        | grep -q __ELF__
                then
@@ -218,7 +232,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        case "$UNAME_MACHINE_ARCH" in
            earm*)
                expr='s/^earmv[0-9]/-eabi/;s/eb$//'
-               abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+               abi=$(echo "$UNAME_MACHINE_ARCH" | sed -e "$expr")
                ;;
        esac
        # The OS release
@@ -231,24 +245,24 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
                release='-gnu'
                ;;
            *)
-               release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+               release=$(echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2)
                ;;
        esac
        # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
        # contains redundant information, the shorter form:
        # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-       echo "$machine-${os}${release}${abi}"
+       echo "$machine-${os}${release}${abi-}"
        exit ;;
     *:Bitrig:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/Bitrig.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
        exit ;;
     *:OpenBSD:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/OpenBSD.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
        exit ;;
     *:LibertyBSD:*:*)
-       UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+       UNAME_MACHINE_ARCH=$(arch | sed 's/^.*BSD\.//')
        echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
        exit ;;
     *:MidnightBSD:*:*)
@@ -260,6 +274,9 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
     *:SolidBSD:*:*)
        echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
        exit ;;
+    *:OS108:*:*)
+       echo "$UNAME_MACHINE"-unknown-os108_"$UNAME_RELEASE"
+       exit ;;
     macppc:MirBSD:*:*)
        echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
        exit ;;
@@ -269,26 +286,29 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
     *:Sortix:*:*)
        echo "$UNAME_MACHINE"-unknown-sortix
        exit ;;
+    *:Twizzler:*:*)
+       echo "$UNAME_MACHINE"-unknown-twizzler
+       exit ;;
     *:Redox:*:*)
        echo "$UNAME_MACHINE"-unknown-redox
        exit ;;
     mips:OSF1:*.*)
-        echo mips-dec-osf1
-        exit ;;
+       echo mips-dec-osf1
+       exit ;;
     alpha:OSF1:*:*)
        case $UNAME_RELEASE in
        *4.0)
-               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+               UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $3}')
                ;;
        *5.*)
-               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+               UNAME_RELEASE=$(/usr/sbin/sizer -v | awk '{print $4}')
                ;;
        esac
        # According to Compaq, /usr/sbin/psrinfo has been available on
        # OSF/1 and Tru64 systems produced since 1995.  I hope that
        # covers most systems running today.  This code pipes the CPU
        # types through head -n 1, so we only detect the type of CPU 0.
-       ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+       ALPHA_CPU_TYPE=$(/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1)
        case "$ALPHA_CPU_TYPE" in
            "EV4 (21064)")
                UNAME_MACHINE=alpha ;;
@@ -326,7 +346,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        # A Tn.n version is a released field test version.
        # A Xn.n version is an unreleased experimental baselevel.
        # 1.2 uses "1.2" for uname -r.
-       echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
+       echo "$UNAME_MACHINE"-dec-osf"$(echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz)"
        # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
        exitcode=$?
        trap '' 0
@@ -360,7 +380,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        exit ;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
        # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
-       if test "`(/bin/universe) 2>/dev/null`" = att ; then
+       if test "$( (/bin/universe) 2>/dev/null)" = att ; then
                echo pyramid-pyramid-sysv3
        else
                echo pyramid-pyramid-bsd
@@ -373,28 +393,28 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        echo sparc-icl-nx6
        exit ;;
     DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
-       case `/usr/bin/uname -p` in
+       case $(/usr/bin/uname -p) in
            sparc) echo sparc-icl-nx7; exit ;;
        esac ;;
     s390x:SunOS:*:*)
-       echo "$UNAME_MACHINE"-ibm-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+       echo "$UNAME_MACHINE"-ibm-solaris2"$(echo "$UNAME_RELEASE" | sed -e 's/[^.]*//')"
        exit ;;
     sun4H:SunOS:5.*:*)
-       echo sparc-hal-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo sparc-hal-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-       echo sparc-sun-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
+       echo sparc-sun-solaris2"$(echo "$UNAME_RELEASE" | sed -e 's/[^.]*//')"
        exit ;;
     i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
        echo i386-pc-auroraux"$UNAME_RELEASE"
        exit ;;
     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-       eval "$set_cc_for_build"
+       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 [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+       if test "$CC_FOR_BUILD" != no_compiler_found; then
            if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
                (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
                grep IS_64BIT_ARCH >/dev/null
@@ -402,30 +422,30 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
                SUN_ARCH=x86_64
            fi
        fi
-       echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo "$SUN_ARCH"-pc-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     sun4*:SunOS:6*:*)
        # According to config.sub, this is the proper way to canonicalize
        # SunOS6.  Hard to guess exactly what SunOS6 will be like, but
        # it's likely to be more like Solaris than SunOS4.
-       echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo sparc-sun-solaris3"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     sun4*:SunOS:*:*)
-       case "`/usr/bin/arch -k`" in
+       case "$(/usr/bin/arch -k)" in
            Series*|S4*)
-               UNAME_RELEASE=`uname -v`
+               UNAME_RELEASE=$(uname -v)
                ;;
        esac
        # Japanese Language versions have a version number like `4.1.3-JL'.
-       echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`"
+       echo sparc-sun-sunos"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/')"
        exit ;;
     sun3*:SunOS:*:*)
        echo m68k-sun-sunos"$UNAME_RELEASE"
        exit ;;
     sun*:*:4.2BSD:*)
-       UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+       UNAME_RELEASE=$( (sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null)
        test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
-       case "`/bin/arch`" in
+       case "$(/bin/arch)" in
            sun3)
                echo m68k-sun-sunos"$UNAME_RELEASE"
                ;;
@@ -482,7 +502,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        echo clipper-intergraph-clix"$UNAME_RELEASE"
        exit ;;
     mips:*:*:UMIPS | mips:*:*:RISCos)
-       eval "$set_cc_for_build"
+       set_cc_for_build
        sed 's/^        //' << EOF > "$dummy.c"
 #ifdef __cplusplus
 #include <stdio.h>  /* for printf() prototype */
@@ -505,8 +525,8 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
        }
 EOF
        $CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
-         dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
-         SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
+         dummyarg=$(echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p') &&
+         SYSTEM_NAME=$("$dummy" "$dummyarg") &&
            { echo "$SYSTEM_NAME"; exit; }
        echo mips-mips-riscos"$UNAME_RELEASE"
        exit ;;
@@ -533,11 +553,11 @@ EOF
        exit ;;
     AViiON:dgux:*:*)
        # DG/UX returns AViiON for all architectures
-       UNAME_PROCESSOR=`/usr/bin/uname -p`
-       if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ]
+       UNAME_PROCESSOR=$(/usr/bin/uname -p)
+       if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110
        then
-           if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \
-              [ "$TARGET_BINARY_INTERFACE"x = x ]
+           if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \
+              test "$TARGET_BINARY_INTERFACE"x = x
            then
                echo m88k-dg-dgux"$UNAME_RELEASE"
            else
@@ -561,17 +581,17 @@ EOF
        echo m68k-tektronix-bsd
        exit ;;
     *:IRIX*:*:*)
-       echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`"
+       echo mips-sgi-irix"$(echo "$UNAME_RELEASE"|sed -e 's/-/_/g')"
        exit ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
        echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
-       exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+       exit ;;               # Note that: echo "'$(uname -s)'" gives 'AIX '
     i*86:AIX:*:*)
        echo i386-ibm-aix
        exit ;;
     ia64:AIX:*:*)
-       if [ -x /usr/bin/oslevel ] ; then
-               IBM_REV=`/usr/bin/oslevel`
+       if test -x /usr/bin/oslevel ; then
+               IBM_REV=$(/usr/bin/oslevel)
        else
                IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
        fi
@@ -579,7 +599,7 @@ EOF
        exit ;;
     *:AIX:2:3)
        if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-               eval "$set_cc_for_build"
+               set_cc_for_build
                sed 's/^                //' << EOF > "$dummy.c"
                #include <sys/systemcfg.h>
 
@@ -591,7 +611,7 @@ 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
@@ -604,15 +624,15 @@ EOF
        fi
        exit ;;
     *:AIX:*:[4567])
-       IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+       IBM_CPU_ID=$(/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }')
        if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
                IBM_ARCH=rs6000
        else
                IBM_ARCH=powerpc
        fi
-       if [ -x /usr/bin/lslpp ] ; then
-               IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
-                          awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
+       if test -x /usr/bin/lslpp ; then
+               IBM_REV=$(/usr/bin/lslpp -Lqc bos.rte.libc |
+                          awk -F: '{ print $3 }' | sed s/[0-9]*$/0/)
        else
                IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
        fi
@@ -640,14 +660,14 @@ EOF
        echo m68k-hp-bsd4.4
        exit ;;
     9000/[34678]??:HP-UX:*:*)
-       HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+       HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
        case "$UNAME_MACHINE" in
            9000/31?)            HP_ARCH=m68000 ;;
            9000/[34]??)         HP_ARCH=m68k ;;
            9000/[678][0-9][0-9])
-               if [ -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`
+               if test -x /usr/bin/getconf; then
+                   sc_cpu_version=$(/usr/bin/getconf SC_CPU_VERSION 2>/dev/null)
+                   sc_kernel_bits=$(/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null)
                    case "$sc_cpu_version" in
                      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
                      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
@@ -659,8 +679,8 @@ EOF
                        esac ;;
                    esac
                fi
-               if [ "$HP_ARCH" = "" ]; then
-                   eval "$set_cc_for_build"
+               if test "$HP_ARCH" = ""; then
+                   set_cc_for_build
                    sed 's/^            //' << EOF > "$dummy.c"
 
                #define _HPUX_SOURCE
@@ -694,13 +714,13 @@ EOF
                    exit (0);
                }
 EOF
-                   (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
+                   (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=$("$dummy")
                    test -z "$HP_ARCH" && HP_ARCH=hppa
                fi ;;
        esac
-       if [ "$HP_ARCH" = hppa2.0w ]
+       if test "$HP_ARCH" = hppa2.0w
        then
-           eval "$set_cc_for_build"
+           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
@@ -722,11 +742,11 @@ EOF
        echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
        exit ;;
     ia64:HP-UX:*:*)
-       HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
+       HPUX_REV=$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//')
        echo ia64-hp-hpux"$HPUX_REV"
        exit ;;
     3050*:HI-UX:*:*)
-       eval "$set_cc_for_build"
+       set_cc_for_build
        sed 's/^        //' << EOF > "$dummy.c"
        #include <unistd.h>
        int
@@ -752,7 +772,7 @@ EOF
          exit (0);
        }
 EOF
-       $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
+       $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=$("$dummy") &&
                { echo "$SYSTEM_NAME"; exit; }
        echo unknown-hitachi-hiuxwe2
        exit ;;
@@ -772,7 +792,7 @@ EOF
        echo hppa1.0-hp-osf
        exit ;;
     i*86:OSF1:*:*)
-       if [ -x /usr/sbin/sysversion ] ; then
+       if test -x /usr/sbin/sysversion ; then
            echo "$UNAME_MACHINE"-unknown-osf1mk
        else
            echo "$UNAME_MACHINE"-unknown-osf1
@@ -821,14 +841,14 @@ EOF
        echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
        exit ;;
     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
-       FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
-       FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-       FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
+       FUJITSU_PROC=$(uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz)
+       FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
+       FUJITSU_REL=$(echo "$UNAME_RELEASE" | sed -e 's/ /_/')
        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
        exit ;;
     5000:UNIX_System_V:4.*:*)
-       FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-       FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+       FUJITSU_SYS=$(uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///')
+       FUJITSU_REL=$(echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/')
        echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
        exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
@@ -840,15 +860,26 @@ EOF
     *:BSD/OS:*:*)
        echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
        exit ;;
+    arm:FreeBSD:*:*)
+       UNAME_PROCESSOR=$(uname -p)
+       set_cc_for_build
+       if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+           | grep -q __ARM_PCS_VFP
+       then
+           echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo ${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabi
+       else
+           echo "${UNAME_PROCESSOR}"-unknown-freebsd"$(echo ${UNAME_RELEASE}|sed -e 's/[-(].*//')"-gnueabihf
+       fi
+       exit ;;
     *:FreeBSD:*:*)
-       UNAME_PROCESSOR=`/usr/bin/uname -p`
+       UNAME_PROCESSOR=$(/usr/bin/uname -p)
        case "$UNAME_PROCESSOR" in
            amd64)
                UNAME_PROCESSOR=x86_64 ;;
            i386)
                UNAME_PROCESSOR=i586 ;;
        esac
-       echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
+       echo "$UNAME_PROCESSOR"-unknown-freebsd"$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')"
        exit ;;
     i*:CYGWIN*:*)
        echo "$UNAME_MACHINE"-pc-cygwin
@@ -881,21 +912,21 @@ EOF
        echo "$UNAME_MACHINE"-pc-uwin
        exit ;;
     amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
-       echo x86_64-unknown-cygwin
+       echo x86_64-pc-cygwin
        exit ;;
     prep*:SunOS:5.*:*)
-       echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
+       echo powerpcle-unknown-solaris2"$(echo "$UNAME_RELEASE"|sed -e 's/[^.]*//')"
        exit ;;
     *:GNU:*:*)
        # the GNU system
-       echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo "$UNAME_RELEASE"|sed -e 's,/.*$,,'`"
+       echo "$(echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,')-unknown-$LIBC$(echo "$UNAME_RELEASE"|sed -e 's,/.*$,,')"
        exit ;;
     *:GNU/*:*:*)
        # other systems with GNU libc and userland
-       echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
+       echo "$UNAME_MACHINE-unknown-$(echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]")$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')-$LIBC"
        exit ;;
-    i*86:Minix:*:*)
-       echo "$UNAME_MACHINE"-pc-minix
+    *:Minix:*:*)
+       echo "$UNAME_MACHINE"-unknown-minix
        exit ;;
     aarch64:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@@ -905,7 +936,7 @@ EOF
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
     alpha:Linux:*:*)
-       case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+       case $(sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null) in
          EV5)   UNAME_MACHINE=alphaev5 ;;
          EV56)  UNAME_MACHINE=alphaev56 ;;
          PCA56) UNAME_MACHINE=alphapca56 ;;
@@ -922,7 +953,7 @@ EOF
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
     arm*:Linux:*:*)
-       eval "$set_cc_for_build"
+       set_cc_for_build
        if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
            | grep -q __ARM_EABI__
        then
@@ -964,6 +995,9 @@ EOF
     k1om:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
+    loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
+       echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
+       exit ;;
     m32r*:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
@@ -971,23 +1005,51 @@ EOF
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
     mips:Linux:*:* | mips64:Linux:*:*)
-       eval "$set_cc_for_build"
+       set_cc_for_build
+       IS_GLIBC=0
+       test x"${LIBC}" = xgnu && IS_GLIBC=1
        sed 's/^        //' << EOF > "$dummy.c"
        #undef CPU
-       #undef ${UNAME_MACHINE}
-       #undef ${UNAME_MACHINE}el
+       #undef mips
+       #undef mipsel
+       #undef mips64
+       #undef mips64el
+       #if ${IS_GLIBC} && defined(_ABI64)
+       LIBCABI=gnuabi64
+       #else
+       #if ${IS_GLIBC} && defined(_ABIN32)
+       LIBCABI=gnuabin32
+       #else
+       LIBCABI=${LIBC}
+       #endif
+       #endif
+
+       #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
+       CPU=mipsisa64r6
+       #else
+       #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6
+       CPU=mipsisa32r6
+       #else
+       #if defined(__mips64)
+       CPU=mips64
+       #else
+       CPU=mips
+       #endif
+       #endif
+       #endif
+
        #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
-       CPU=${UNAME_MACHINE}el
+       MIPS_ENDIAN=el
        #else
        #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
-       CPU=${UNAME_MACHINE}
+       MIPS_ENDIAN=
        #else
-       CPU=
+       MIPS_ENDIAN=
        #endif
        #endif
 EOF
-       eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU'`"
-       test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; }
+       eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI')"
+       test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; }
        ;;
     mips64el:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@@ -1006,7 +1068,7 @@ EOF
        exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
        # Look for CPU level
-       case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+       case $(grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2) in
          PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
          PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
          *)    echo hppa-unknown-linux-"$LIBC" ;;
@@ -1024,7 +1086,7 @@ EOF
     ppcle:Linux:*:*)
        echo powerpcle-unknown-linux-"$LIBC"
        exit ;;
-    riscv32:Linux:*:* | riscv64:Linux:*:*)
+    riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
        exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
@@ -1046,7 +1108,17 @@ EOF
        echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
        exit ;;
     x86_64:Linux:*:*)
-       echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+       set_cc_for_build
+       LIBCABI=$LIBC
+       if test "$CC_FOR_BUILD" != no_compiler_found; then
+           if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \
+               (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+               grep IS_X32 >/dev/null
+           then
+               LIBCABI="$LIBC"x32
+           fi
+       fi
+       echo "$UNAME_MACHINE"-pc-linux-"$LIBCABI"
        exit ;;
     xtensa*:Linux:*:*)
        echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@@ -1086,7 +1158,7 @@ EOF
        echo "$UNAME_MACHINE"-pc-msdosdjgpp
        exit ;;
     i*86:*:4.*:*)
-       UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
+       UNAME_REL=$(echo "$UNAME_RELEASE" | sed 's/\/MP$//')
        if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
                echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
        else
@@ -1095,19 +1167,19 @@ EOF
        exit ;;
     i*86:*:5:[678]*)
        # UnixWare 7.x, OpenUNIX and OpenServer 6.
-       case `/bin/uname -X | grep "^Machine"` in
+       case $(/bin/uname -X | grep "^Machine") in
            *486*)           UNAME_MACHINE=i486 ;;
            *Pentium)        UNAME_MACHINE=i586 ;;
            *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
        esac
-       echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}{$UNAME_VERSION}"
+       echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}"
        exit ;;
     i*86:*:3.2:*)
        if test -f /usr/options/cb.name; then
-               UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+               UNAME_REL=$(sed -n 's/.*Version //p' </usr/options/cb.name)
                echo "$UNAME_MACHINE"-pc-isc"$UNAME_REL"
        elif /bin/uname -X 2>/dev/null >/dev/null ; then
-               UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+               UNAME_REL=$( (/bin/uname -X|grep Release|sed -e 's/.*= //'))
                (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
                (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
                        && UNAME_MACHINE=i586
@@ -1157,7 +1229,7 @@ EOF
     3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
        OS_REL=''
        test -r /etc/.relid \
-       && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+       && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid)
        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
          && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
        /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
@@ -1168,7 +1240,7 @@ EOF
     NCR*:*:4.2:* | MPRAS*:*:4.2:*)
        OS_REL='.3'
        test -r /etc/.relid \
-           && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+           && OS_REL=.$(sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid)
        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
            && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
        /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
@@ -1201,7 +1273,7 @@ EOF
        exit ;;
     *:SINIX-*:*:*)
        if uname -p 2>/dev/null >/dev/null ; then
-               UNAME_MACHINE=`(uname -p) 2>/dev/null`
+               UNAME_MACHINE=$( (uname -p) 2>/dev/null)
                echo "$UNAME_MACHINE"-sni-sysv4
        else
                echo ns32k-sni-sysv
@@ -1235,7 +1307,7 @@ EOF
        echo mips-sony-newsos6
        exit ;;
     R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
-       if [ -d /usr/nec ]; then
+       if test -d /usr/nec; then
                echo mips-nec-sysv"$UNAME_RELEASE"
        else
                echo mips-unknown-sysv"$UNAME_RELEASE"
@@ -1283,44 +1355,48 @@ EOF
     *:Rhapsody:*:*)
        echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
        exit ;;
+    arm64:Darwin:*:*)
+       echo aarch64-apple-darwin"$UNAME_RELEASE"
+       exit ;;
     *:Darwin:*:*)
-       UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
-       eval "$set_cc_for_build"
-       if test "$UNAME_PROCESSOR" = unknown ; then
-           UNAME_PROCESSOR=powerpc
+       UNAME_PROCESSOR=$(uname -p)
+       case $UNAME_PROCESSOR in
+           unknown) UNAME_PROCESSOR=powerpc ;;
+       esac
+       if command -v xcode-select > /dev/null 2> /dev/null && \
+               ! xcode-select --print-path > /dev/null 2> /dev/null ; then
+           # Avoid executing cc if there is no toolchain installed as
+           # cc will be a stub that puts up a graphical alert
+           # prompting the user to install developer tools.
+           CC_FOR_BUILD=no_compiler_found
+       else
+           set_cc_for_build
        fi
-       if test "`echo "$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="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-                      grep IS_PPC >/dev/null
-               then
-                   UNAME_PROCESSOR=powerpc
-               fi
+       if test "$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="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+                  grep IS_PPC >/dev/null
+           then
+               UNAME_PROCESSOR=powerpc
            fi
        elif test "$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
+           # uname -m returns i386 or x86_64
+           UNAME_PROCESSOR=$UNAME_MACHINE
        fi
        echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
        exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
-       UNAME_PROCESSOR=`uname -p`
+       UNAME_PROCESSOR=$(uname -p)
        if test "$UNAME_PROCESSOR" = x86; then
                UNAME_PROCESSOR=i386
                UNAME_MACHINE=pc
@@ -1358,6 +1434,7 @@ EOF
        # "uname -m" is not consistent, so use $cputype instead. 386
        # is converted to i386 for consistency with other x86
        # operating systems.
+       # shellcheck disable=SC2154
        if test "$cputype" = 386; then
            UNAME_MACHINE=i386
        else
@@ -1387,10 +1464,10 @@ EOF
        echo mips-sei-seiux"$UNAME_RELEASE"
        exit ;;
     *:DragonFly:*:*)
-       echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
+       echo "$UNAME_MACHINE"-unknown-dragonfly"$(echo "$UNAME_RELEASE"|sed -e 's/[-(].*//')"
        exit ;;
     *:*VMS:*:*)
-       UNAME_MACHINE=`(uname -p) 2>/dev/null`
+       UNAME_MACHINE=$( (uname -p) 2>/dev/null)
        case "$UNAME_MACHINE" in
            A*) echo alpha-dec-vms ; exit ;;
            I*) echo ia64-dec-vms ; exit ;;
@@ -1400,13 +1477,13 @@ 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
        exit ;;
-    i*86:AROS:*:*)
-       echo "$UNAME_MACHINE"-pc-aros
+    *:AROS:*:*)
+       echo "$UNAME_MACHINE"-unknown-aros
        exit ;;
     x86_64:VMkernel:*:*)
        echo "$UNAME_MACHINE"-unknown-esx
@@ -1414,8 +1491,148 @@ EOF
     amd64:Isilon\ OneFS:*:*)
        echo x86_64-unknown-onefs
        exit ;;
+    *:Unleashed:*:*)
+       echo "$UNAME_MACHINE"-unknown-unleashed"$UNAME_RELEASE"
+       exit ;;
 esac
 
+# No uname command or uname output not recognized.
+set_cc_for_build
+cat > "$dummy.c" <<EOF
+#ifdef _SEQUENT_
+#include <sys/types.h>
+#include <sys/utsname.h>
+#endif
+#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
+#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
+#include <signal.h>
+#if defined(_SIZE_T_) || defined(SIGLOST)
+#include <sys/utsname.h>
+#endif
+#endif
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
+     I don't know....  */
+  printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+  printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+  "4"
+#else
+  ""
+#endif
+  ); exit (0);
+#endif
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+  int version;
+  version=$( (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
+#if defined(_SIZE_T_) || defined(SIGLOST)
+  struct utsname un;
+  uname (&un);
+  printf ("vax-dec-ultrix%s\n", un.release); exit (0);
+#else
+  printf ("vax-dec-ultrix\n"); exit (0);
+#endif
+#endif
+#endif
+#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__)
+#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__)
+#if defined(_SIZE_T_) || defined(SIGLOST)
+  struct utsname *un;
+  uname (&un);
+  printf ("mips-dec-ultrix%s\n", un.release); exit (0);
+#else
+  printf ("mips-dec-ultrix\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (alliant) && defined (i860)
+  printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+  exit (1);
+}
+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; }
+
 echo "$0: unable to guess system type" >&2
 
 case "$UNAME_MACHINE:$UNAME_SYSTEM" in
@@ -1435,9 +1652,15 @@ 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:
 
-  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+  https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
 and
-  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+  https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
+EOF
+
+year=$(echo $timestamp | sed 's,-.*,,')
+# shellcheck disable=SC2003
+if test "$(expr "$(date +%Y)" - "$year")" -lt 3 ; then
+   cat >&2 <<EOF
 
 If $0 has already been updated, send the following data and any
 information you think might be pertinent to config-patches@gnu.org to
@@ -1445,26 +1668,27 @@ provide the necessary information to handle your system.
 
 config.guess timestamp = $timestamp
 
-uname -m = `(uname -m) 2>/dev/null || echo unknown`
-uname -r = `(uname -r) 2>/dev/null || echo unknown`
-uname -s = `(uname -s) 2>/dev/null || echo unknown`
-uname -v = `(uname -v) 2>/dev/null || echo unknown`
+uname -m = $( (uname -m) 2>/dev/null || echo unknown)
+uname -r = $( (uname -r) 2>/dev/null || echo unknown)
+uname -s = $( (uname -s) 2>/dev/null || echo unknown)
+uname -v = $( (uname -v) 2>/dev/null || echo unknown)
 
-/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
-/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+/usr/bin/uname -p = $( (/usr/bin/uname -p) 2>/dev/null)
+/bin/uname -X     = $( (/bin/uname -X) 2>/dev/null)
 
-hostinfo               = `(hostinfo) 2>/dev/null`
-/bin/universe          = `(/bin/universe) 2>/dev/null`
-/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
-/bin/arch              = `(/bin/arch) 2>/dev/null`
-/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
-/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+hostinfo               = $( (hostinfo) 2>/dev/null)
+/bin/universe          = $( (/bin/universe) 2>/dev/null)
+/usr/bin/arch -k       = $( (/usr/bin/arch -k) 2>/dev/null)
+/bin/arch              = $( (/bin/arch) 2>/dev/null)
+/usr/bin/oslevel       = $( (/usr/bin/oslevel) 2>/dev/null)
+/usr/convex/getsysinfo = $( (/usr/convex/getsysinfo) 2>/dev/null)
 
 UNAME_MACHINE = "$UNAME_MACHINE"
 UNAME_RELEASE = "$UNAME_RELEASE"
 UNAME_SYSTEM  = "$UNAME_SYSTEM"
 UNAME_VERSION = "$UNAME_VERSION"
 EOF
+fi
 
 exit 1
 
index ba37cf99e26b9dbb70683696a42545bc548418a6..63c1f1c8b5e2d881e106d8951a11c6c94ae6352b 100755 (executable)
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2018 Free Software Foundation, Inc.
+#   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2018-04-24'
+timestamp='2021-01-08'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@ timestamp='2018-04-24'
 # Otherwise, we print the canonical config type on stdout and succeed.
 
 # You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
 
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -50,7 +50,7 @@ timestamp='2018-04-24'
 #      CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
 # It is wrong to echo any other type of specification.
 
-me=`echo "$0" | sed -e 's,.*/,,'`
+me=$(echo "$0" | sed -e 's,.*/,,')
 
 usage="\
 Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
@@ -67,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2018 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."
@@ -89,7 +89,7 @@ while test $# -gt 0 ; do
     - )        # Use stdin as input.
        break ;;
     -* )
-       echo "$me: invalid option $1$help"
+       echo "$me: invalid option $1$help" >&2
        exit 1 ;;
 
     *local*)
@@ -110,1227 +110,1169 @@ 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 $maybe_os in
-  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
-  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
-  knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \
-  kopensolaris*-gnu* | cloudabi*-eabi* | \
-  storm-chaos* | os2-emx* | rtmk-nova*)
-    os=-$maybe_os
-    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
-    ;;
-  android-linux)
-    os=-linux-android
-    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
-    ;;
-  *)
-    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
+# shellcheck disable=SC2162
+IFS="-" read 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 | -microblaze*)
-               os=
-               basic_machine=$1
-               ;;
-       -bluegene*)
-               os=-cnk
-               ;;
-       -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*178)
-               os=-lynxos178
-               ;;
-       -lynx*5)
-               os=-lynxos5
+# Separate into logical components for further validation
+case $1 in
+       *-*-*-*-*)
+               echo Invalid configuration \`"$1"\': more than four components >&2
+               exit 1
                ;;
-       -lynx*)
-               os=-lynxos
+       *-*-*-*)
+               basic_machine=$field1-$field2
+               basic_os=$field3-$field4
                ;;
-       -ptx*)
-               basic_machine=`echo "$1" | sed -e 's/86-.*/86-sequent/'`
+       *-*-*)
+               # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two
+               # parts
+               maybe_os=$field2-$field3
+               case $maybe_os in
+                       nto-qnx* | linux-* | uclinux-uclibc* \
+                       | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
+                       | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
+                       | storm-chaos* | os2-emx* | rtmk-nova*)
+                               basic_machine=$field1
+                               basic_os=$maybe_os
+                               ;;
+                       android-linux)
+                               basic_machine=$field1-unknown
+                               basic_os=linux-android
+                               ;;
+                       *)
+                               basic_machine=$field1-$field2
+                               basic_os=$field3
+                               ;;
+               esac
                ;;
-       -psos*)
-               os=-psos
+       *-*)
+               # A lone config we happen to match not fitting any pattern
+               case $field1-$field2 in
+                       decstation-3100)
+                               basic_machine=mips-dec
+                               basic_os=
+                               ;;
+                       *-*)
+                               # 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
+                                               basic_os=$field2
+                                               ;;
+                                       # Manufacturers
+                                       dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \
+                                       | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \
+                                       | unicom* | ibm* | next | hp | isi* | apollo | altos* \
+                                       | convergent* | ncr* | news | 32* | 3600* | 3100* \
+                                       | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \
+                                       | ultra | tti* | harris | dolphin | highlevel | gould \
+                                       | cbm | ns | masscomp | apple | axis | knuth | cray \
+                                       | microblaze* | sim | cisco \
+                                       | oki | wec | wrs | winbond)
+                                               basic_machine=$field1-$field2
+                                               basic_os=
+                                               ;;
+                                       *)
+                                               basic_machine=$field1
+                                               basic_os=$field2
+                                               ;;
+                               esac
+                       ;;
+               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
+                               basic_os=bsd
+                               ;;
+                       a29khif)
+                               basic_machine=a29k-amd
+                               basic_os=udi
+                               ;;
+                       adobe68k)
+                               basic_machine=m68010-adobe
+                               basic_os=scout
+                               ;;
+                       alliant)
+                               basic_machine=fx80-alliant
+                               basic_os=
+                               ;;
+                       altos | altos3068)
+                               basic_machine=m68k-altos
+                               basic_os=
+                               ;;
+                       am29k)
+                               basic_machine=a29k-none
+                               basic_os=bsd
+                               ;;
+                       amdahl)
+                               basic_machine=580-amdahl
+                               basic_os=sysv
+                               ;;
+                       amiga)
+                               basic_machine=m68k-unknown
+                               basic_os=
+                               ;;
+                       amigaos | amigados)
+                               basic_machine=m68k-unknown
+                               basic_os=amigaos
+                               ;;
+                       amigaunix | amix)
+                               basic_machine=m68k-unknown
+                               basic_os=sysv4
+                               ;;
+                       apollo68)
+                               basic_machine=m68k-apollo
+                               basic_os=sysv
+                               ;;
+                       apollo68bsd)
+                               basic_machine=m68k-apollo
+                               basic_os=bsd
+                               ;;
+                       aros)
+                               basic_machine=i386-pc
+                               basic_os=aros
+                               ;;
+                       aux)
+                               basic_machine=m68k-apple
+                               basic_os=aux
+                               ;;
+                       balance)
+                               basic_machine=ns32k-sequent
+                               basic_os=dynix
+                               ;;
+                       blackfin)
+                               basic_machine=bfin-unknown
+                               basic_os=linux
+                               ;;
+                       cegcc)
+                               basic_machine=arm-unknown
+                               basic_os=cegcc
+                               ;;
+                       convex-c1)
+                               basic_machine=c1-convex
+                               basic_os=bsd
+                               ;;
+                       convex-c2)
+                               basic_machine=c2-convex
+                               basic_os=bsd
+                               ;;
+                       convex-c32)
+                               basic_machine=c32-convex
+                               basic_os=bsd
+                               ;;
+                       convex-c34)
+                               basic_machine=c34-convex
+                               basic_os=bsd
+                               ;;
+                       convex-c38)
+                               basic_machine=c38-convex
+                               basic_os=bsd
+                               ;;
+                       cray)
+                               basic_machine=j90-cray
+                               basic_os=unicos
+                               ;;
+                       crds | unos)
+                               basic_machine=m68k-crds
+                               basic_os=
+                               ;;
+                       da30)
+                               basic_machine=m68k-da30
+                               basic_os=
+                               ;;
+                       decstation | pmax | pmin | dec3100 | decstatn)
+                               basic_machine=mips-dec
+                               basic_os=
+                               ;;
+                       delta88)
+                               basic_machine=m88k-motorola
+                               basic_os=sysv3
+                               ;;
+                       dicos)
+                               basic_machine=i686-pc
+                               basic_os=dicos
+                               ;;
+                       djgpp)
+                               basic_machine=i586-pc
+                               basic_os=msdosdjgpp
+                               ;;
+                       ebmon29k)
+                               basic_machine=a29k-amd
+                               basic_os=ebmon
+                               ;;
+                       es1800 | OSE68k | ose68k | ose | OSE)
+                               basic_machine=m68k-ericsson
+                               basic_os=ose
+                               ;;
+                       gmicro)
+                               basic_machine=tron-gmicro
+                               basic_os=sysv
+                               ;;
+                       go32)
+                               basic_machine=i386-pc
+                               basic_os=go32
+                               ;;
+                       h8300hms)
+                               basic_machine=h8300-hitachi
+                               basic_os=hms
+                               ;;
+                       h8300xray)
+                               basic_machine=h8300-hitachi
+                               basic_os=xray
+                               ;;
+                       h8500hms)
+                               basic_machine=h8500-hitachi
+                               basic_os=hms
+                               ;;
+                       harris)
+                               basic_machine=m88k-harris
+                               basic_os=sysv3
+                               ;;
+                       hp300 | hp300hpux)
+                               basic_machine=m68k-hp
+                               basic_os=hpux
+                               ;;
+                       hp300bsd)
+                               basic_machine=m68k-hp
+                               basic_os=bsd
+                               ;;
+                       hppaosf)
+                               basic_machine=hppa1.1-hp
+                               basic_os=osf
+                               ;;
+                       hppro)
+                               basic_machine=hppa1.1-hp
+                               basic_os=proelf
+                               ;;
+                       i386mach)
+                               basic_machine=i386-mach
+                               basic_os=mach
+                               ;;
+                       isi68 | isi)
+                               basic_machine=m68k-isi
+                               basic_os=sysv
+                               ;;
+                       m68knommu)
+                               basic_machine=m68k-unknown
+                               basic_os=linux
+                               ;;
+                       magnum | m3230)
+                               basic_machine=mips-mips
+                               basic_os=sysv
+                               ;;
+                       merlin)
+                               basic_machine=ns32k-utek
+                               basic_os=sysv
+                               ;;
+                       mingw64)
+                               basic_machine=x86_64-pc
+                               basic_os=mingw64
+                               ;;
+                       mingw32)
+                               basic_machine=i686-pc
+                               basic_os=mingw32
+                               ;;
+                       mingw32ce)
+                               basic_machine=arm-unknown
+                               basic_os=mingw32ce
+                               ;;
+                       monitor)
+                               basic_machine=m68k-rom68k
+                               basic_os=coff
+                               ;;
+                       morphos)
+                               basic_machine=powerpc-unknown
+                               basic_os=morphos
+                               ;;
+                       moxiebox)
+                               basic_machine=moxie-unknown
+                               basic_os=moxiebox
+                               ;;
+                       msdos)
+                               basic_machine=i386-pc
+                               basic_os=msdos
+                               ;;
+                       msys)
+                               basic_machine=i686-pc
+                               basic_os=msys
+                               ;;
+                       mvs)
+                               basic_machine=i370-ibm
+                               basic_os=mvs
+                               ;;
+                       nacl)
+                               basic_machine=le32-unknown
+                               basic_os=nacl
+                               ;;
+                       ncr3000)
+                               basic_machine=i486-ncr
+                               basic_os=sysv4
+                               ;;
+                       netbsd386)
+                               basic_machine=i386-pc
+                               basic_os=netbsd
+                               ;;
+                       netwinder)
+                               basic_machine=armv4l-rebel
+                               basic_os=linux
+                               ;;
+                       news | news700 | news800 | news900)
+                               basic_machine=m68k-sony
+                               basic_os=newsos
+                               ;;
+                       news1000)
+                               basic_machine=m68030-sony
+                               basic_os=newsos
+                               ;;
+                       necv70)
+                               basic_machine=v70-nec
+                               basic_os=sysv
+                               ;;
+                       nh3000)
+                               basic_machine=m68k-harris
+                               basic_os=cxux
+                               ;;
+                       nh[45]000)
+                               basic_machine=m88k-harris
+                               basic_os=cxux
+                               ;;
+                       nindy960)
+                               basic_machine=i960-intel
+                               basic_os=nindy
+                               ;;
+                       mon960)
+                               basic_machine=i960-intel
+                               basic_os=mon960
+                               ;;
+                       nonstopux)
+                               basic_machine=mips-compaq
+                               basic_os=nonstopux
+                               ;;
+                       os400)
+                               basic_machine=powerpc-ibm
+                               basic_os=os400
+                               ;;
+                       OSE68000 | ose68000)
+                               basic_machine=m68000-ericsson
+                               basic_os=ose
+                               ;;
+                       os68k)
+                               basic_machine=m68k-none
+                               basic_os=os68k
+                               ;;
+                       paragon)
+                               basic_machine=i860-intel
+                               basic_os=osf
+                               ;;
+                       parisc)
+                               basic_machine=hppa-unknown
+                               basic_os=linux
+                               ;;
+                       psp)
+                               basic_machine=mipsallegrexel-sony
+                               basic_os=psp
+                               ;;
+                       pw32)
+                               basic_machine=i586-unknown
+                               basic_os=pw32
+                               ;;
+                       rdos | rdos64)
+                               basic_machine=x86_64-pc
+                               basic_os=rdos
+                               ;;
+                       rdos32)
+                               basic_machine=i386-pc
+                               basic_os=rdos
+                               ;;
+                       rom68k)
+                               basic_machine=m68k-rom68k
+                               basic_os=coff
+                               ;;
+                       sa29200)
+                               basic_machine=a29k-amd
+                               basic_os=udi
+                               ;;
+                       sei)
+                               basic_machine=mips-sei
+                               basic_os=seiux
+                               ;;
+                       sequent)
+                               basic_machine=i386-sequent
+                               basic_os=
+                               ;;
+                       sps7)
+                               basic_machine=m68k-bull
+                               basic_os=sysv2
+                               ;;
+                       st2000)
+                               basic_machine=m68k-tandem
+                               basic_os=
+                               ;;
+                       stratus)
+                               basic_machine=i860-stratus
+                               basic_os=sysv4
+                               ;;
+                       sun2)
+                               basic_machine=m68000-sun
+                               basic_os=
+                               ;;
+                       sun2os3)
+                               basic_machine=m68000-sun
+                               basic_os=sunos3
+                               ;;
+                       sun2os4)
+                               basic_machine=m68000-sun
+                               basic_os=sunos4
+                               ;;
+                       sun3)
+                               basic_machine=m68k-sun
+                               basic_os=
+                               ;;
+                       sun3os3)
+                               basic_machine=m68k-sun
+                               basic_os=sunos3
+                               ;;
+                       sun3os4)
+                               basic_machine=m68k-sun
+                               basic_os=sunos4
+                               ;;
+                       sun4)
+                               basic_machine=sparc-sun
+                               basic_os=
+                               ;;
+                       sun4os3)
+                               basic_machine=sparc-sun
+                               basic_os=sunos3
+                               ;;
+                       sun4os4)
+                               basic_machine=sparc-sun
+                               basic_os=sunos4
+                               ;;
+                       sun4sol2)
+                               basic_machine=sparc-sun
+                               basic_os=solaris2
+                               ;;
+                       sun386 | sun386i | roadrunner)
+                               basic_machine=i386-sun
+                               basic_os=
+                               ;;
+                       sv1)
+                               basic_machine=sv1-cray
+                               basic_os=unicos
+                               ;;
+                       symmetry)
+                               basic_machine=i386-sequent
+                               basic_os=dynix
+                               ;;
+                       t3e)
+                               basic_machine=alphaev5-cray
+                               basic_os=unicos
+                               ;;
+                       t90)
+                               basic_machine=t90-cray
+                               basic_os=unicos
+                               ;;
+                       toad1)
+                               basic_machine=pdp10-xkl
+                               basic_os=tops20
+                               ;;
+                       tpf)
+                               basic_machine=s390x-ibm
+                               basic_os=tpf
+                               ;;
+                       udi29k)
+                               basic_machine=a29k-amd
+                               basic_os=udi
+                               ;;
+                       ultra3)
+                               basic_machine=a29k-nyu
+                               basic_os=sym1
+                               ;;
+                       v810 | necv810)
+                               basic_machine=v810-nec
+                               basic_os=none
+                               ;;
+                       vaxv)
+                               basic_machine=vax-dec
+                               basic_os=sysv
+                               ;;
+                       vms)
+                               basic_machine=vax-dec
+                               basic_os=vms
+                               ;;
+                       vsta)
+                               basic_machine=i386-pc
+                               basic_os=vsta
+                               ;;
+                       vxworks960)
+                               basic_machine=i960-wrs
+                               basic_os=vxworks
+                               ;;
+                       vxworks68)
+                               basic_machine=m68k-wrs
+                               basic_os=vxworks
+                               ;;
+                       vxworks29k)
+                               basic_machine=a29k-wrs
+                               basic_os=vxworks
+                               ;;
+                       xbox)
+                               basic_machine=i686-pc
+                               basic_os=mingw32
+                               ;;
+                       ymp)
+                               basic_machine=ymp-cray
+                               basic_os=unicos
+                               ;;
+                       *)
+                               basic_machine=$1
+                               basic_os=
+                               ;;
+               esac
                ;;
 esac
 
-# Decode aliases for certain CPU-COMPANY combinations.
+# Decode 1-component or ad-hoc basic machines
 case $basic_machine in
-       # Recognize the basic CPU types without company name.
-       # 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 | 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 | c8051 | clipper | csky \
-       | d10v | d30v | dlx | dsp16xx \
-       | e2k | epiphany \
-       | fido | fr30 | frv | ft32 \
-       | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
-       | hexagon \
-       | i370 | i860 | i960 | ia16 | ia64 \
-       | ip2k | iq2000 \
-       | k1om \
-       | le32 | le64 \
-       | lm32 \
-       | m32c | m32r | m32rle | m68000 | m68k | m88k \
-       | maxq | mb | microblaze | microblazeel | mcore | mep | metag \
-       | mips | mipsbe | mipseb | mipsel | mipsle \
-       | mips16 \
-       | mips64 | mips64el \
-       | mips64octeon | mips64octeonel \
-       | mips64orion | mips64orionel \
-       | mips64r5900 | mips64r5900el \
-       | mips64vr | mips64vrel \
-       | mips64vr4100 | mips64vr4100el \
-       | mips64vr4300 | mips64vr4300el \
-       | mips64vr5000 | mips64vr5000el \
-       | mips64vr5900 | mips64vr5900el \
-       | mipsisa32 | mipsisa32el \
-       | mipsisa32r2 | mipsisa32r2el \
-       | mipsisa32r6 | mipsisa32r6el \
-       | mipsisa64 | mipsisa64el \
-       | mipsisa64r2 | mipsisa64r2el \
-       | mipsisa64r6 | mipsisa64r6el \
-       | mipsisa64sb1 | mipsisa64sb1el \
-       | mipsisa64sr71k | mipsisa64sr71kel \
-       | mipsr5900 | mipsr5900el \
-       | mipstx39 | mipstx39el \
-       | mn10200 | mn10300 \
-       | moxie \
-       | mt \
-       | msp430 \
-       | nds32 | nds32le | nds32be \
-       | nios | nios2 | nios2eb | nios2el \
-       | ns16k | ns32k \
-       | open8 | or1k | or1knd | or32 \
-       | pdp10 | pj | pjl \
-       | powerpc | powerpc64 | powerpc64le | powerpcle \
-       | pru \
-       | pyramid \
-       | riscv32 | riscv64 \
-       | rl78 | rx \
-       | score \
-       | 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 \
-       | 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
-               ;;
-       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
-               ;;
-       m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65)
+       # Here we handle the default manufacturer of certain CPU types.  It is in
+       # some cases the only manufacturer, in others, it is the most popular.
+       w89k)
+               cpu=hppa1.1
+               vendor=winbond
                ;;
-       m9s12z | m68hcs12z | hcs12z | s12z)
-               basic_machine=s12z-unknown
-               os=-none
+       op50n)
+               cpu=hppa1.1
+               vendor=oki
                ;;
-       ms1)
-               basic_machine=mt-unknown
+       op60c)
+               cpu=hppa1.1
+               vendor=oki
                ;;
-
-       strongarm | thumb | xscale)
-               basic_machine=arm-unknown
+       ibm*)
+               cpu=i370
+               vendor=ibm
                ;;
-       xgate)
-               basic_machine=$basic_machine-unknown
-               os=-none
+       orion105)
+               cpu=clipper
+               vendor=highlevel
                ;;
-       xscaleeb)
-               basic_machine=armeb-unknown
+       mac | mpw | mac-mpw)
+               cpu=m68k
+               vendor=apple
                ;;
-
-       xscaleel)
-               basic_machine=armel-unknown
+       pmac | pmac-mpw)
+               cpu=powerpc
+               vendor=apple
                ;;
 
-       # We use `pc' rather than `unknown'
-       # because (1) that's what they normally are, and
-       # (2) the word "unknown" tends to confuse beginning users.
-       i*86 | x86_64)
-         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-* | arceb-* \
-       | arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
-       | avr-* | avr32-* \
-       | ba-* \
-       | be32-* | be64-* \
-       | bfin-* | bs2000-* \
-       | c[123]* | c30-* | [cjt]90-* | c4x-* \
-       | c8051-* | clipper-* | craynv-* | csky-* | cydra-* \
-       | d10v-* | d30v-* | dlx-* \
-       | e2k-* | elxsi-* \
-       | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
-       | h8300-* | h8500-* \
-       | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
-       | 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-* \
-       | mips64octeon-* | mips64octeonel-* \
-       | mips64orion-* | mips64orionel-* \
-       | mips64r5900-* | mips64r5900el-* \
-       | mips64vr-* | mips64vrel-* \
-       | mips64vr4100-* | mips64vr4100el-* \
-       | mips64vr4300-* | mips64vr4300el-* \
-       | mips64vr5000-* | mips64vr5000el-* \
-       | mips64vr5900-* | mips64vr5900el-* \
-       | mipsisa32-* | mipsisa32el-* \
-       | mipsisa32r2-* | mipsisa32r2el-* \
-       | mipsisa32r6-* | mipsisa32r6el-* \
-       | mipsisa64-* | mipsisa64el-* \
-       | mipsisa64r2-* | mipsisa64r2el-* \
-       | mipsisa64r6-* | mipsisa64r6el-* \
-       | mipsisa64sb1-* | mipsisa64sb1el-* \
-       | mipsisa64sr71k-* | mipsisa64sr71kel-* \
-       | mipsr5900-* | mipsr5900el-* \
-       | mipstx39-* | mipstx39el-* \
-       | mmix-* \
-       | mt-* \
-       | msp430-* \
-       | nds32-* | nds32le-* | nds32be-* \
-       | nios-* | nios2-* | nios2eb-* | nios2el-* \
-       | none-* | np1-* | ns16k-* | ns32k-* \
-       | open8-* \
-       | or1k*-* \
-       | orion-* \
-       | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
-       | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
-       | pru-* \
-       | pyramid-* \
-       | 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-* | sv1-* | sx*-* \
-       | tahoe-* \
-       | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
-       | tile*-* \
-       | tron-* \
-       | ubicom32-* \
-       | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
-       | vax-* \
-       | visium-* \
-       | wasm32-* \
-       | we32k-* \
-       | x86-* | x86_64-* | xc16x-* | xps100-* \
-       | xstormy16-* | xtensa*-* \
-       | ymp-* \
-       | z8k-* | z80-*)
-               ;;
-       # Recognize the basic CPU types without company name, with glob match.
-       xtensa*)
-               basic_machine=$basic_machine-unknown
-               ;;
        # Recognize the various machine names and aliases which stand
        # for a CPU type and a company and sometimes even an OS.
-       386bsd)
-               basic_machine=i386-pc
-               os=-bsd
-               ;;
        3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
-               basic_machine=m68000-att
+               cpu=m68000
+               vendor=att
                ;;
        3b*)
-               basic_machine=we32k-att
-               ;;
-       a29khif)
-               basic_machine=a29k-amd
-               os=-udi
-               ;;
-       abacus)
-               basic_machine=abacus-unknown
-               ;;
-       adobe68k)
-               basic_machine=m68010-adobe
-               os=-scout
-               ;;
-       alliant | fx80)
-               basic_machine=fx80-alliant
-               ;;
-       altos | altos3068)
-               basic_machine=m68k-altos
-               ;;
-       am29k)
-               basic_machine=a29k-none
-               os=-bsd
-               ;;
-       amd64)
-               basic_machine=x86_64-pc
-               ;;
-       amd64-*)
-               basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       amdahl)
-               basic_machine=580-amdahl
-               os=-sysv
-               ;;
-       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
-               ;;
-       aros)
-               basic_machine=i386-pc
-               os=-aros
-               ;;
-       asmjs)
-               basic_machine=asmjs-unknown
-               ;;
-       aux)
-               basic_machine=m68k-apple
-               os=-aux
-               ;;
-       balance)
-               basic_machine=ns32k-sequent
-               os=-dynix
-               ;;
-       blackfin)
-               basic_machine=bfin-unknown
-               os=-linux
-               ;;
-       blackfin-*)
-               basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               os=-linux
+               cpu=we32k
+               vendor=att
                ;;
        bluegene*)
-               basic_machine=powerpc-ibm
-               os=-cnk
-               ;;
-       c54x-*)
-               basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       c55x-*)
-               basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       c6x-*)
-               basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       c90)
-               basic_machine=c90-cray
-               os=-unicos
-               ;;
-       cegcc)
-               basic_machine=arm-unknown
-               os=-cegcc
-               ;;
-       convex-c1)
-               basic_machine=c1-convex
-               os=-bsd
-               ;;
-       convex-c2)
-               basic_machine=c2-convex
-               os=-bsd
-               ;;
-       convex-c32)
-               basic_machine=c32-convex
-               os=-bsd
-               ;;
-       convex-c34)
-               basic_machine=c34-convex
-               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
-               ;;
-       cr16 | cr16-*)
-               basic_machine=cr16-unknown
-               os=-elf
-               ;;
-       crds | unos)
-               basic_machine=m68k-crds
-               ;;
-       crisv32 | crisv32-* | etraxfs*)
-               basic_machine=crisv32-axis
-               ;;
-       cris | cris-* | etrax*)
-               basic_machine=cris-axis
-               ;;
-       crx)
-               basic_machine=crx-unknown
-               os=-elf
-               ;;
-       da30 | da30-*)
-               basic_machine=m68k-da30
-               ;;
-       decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
-               basic_machine=mips-dec
+               cpu=powerpc
+               vendor=ibm
+               basic_os=cnk
                ;;
        decsystem10* | dec10*)
-               basic_machine=pdp10-dec
-               os=-tops10
+               cpu=pdp10
+               vendor=dec
+               basic_os=tops10
                ;;
        decsystem20* | dec20*)
-               basic_machine=pdp10-dec
-               os=-tops20
+               cpu=pdp10
+               vendor=dec
+               basic_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
+               cpu=m68k
+               vendor=motorola
                ;;
        dpx2*)
-               basic_machine=m68k-bull
-               os=-sysv3
-               ;;
-       e500v[12])
-               basic_machine=powerpc-unknown
-               os=$os"spe"
-               ;;
-       e500v[12]-*)
-               basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               os=$os"spe"
-               ;;
-       ebmon29k)
-               basic_machine=a29k-amd
-               os=-ebmon
-               ;;
-       elxsi)
-               basic_machine=elxsi-elxsi
-               os=-bsd
+               cpu=m68k
+               vendor=bull
+               basic_os=sysv3
                ;;
        encore | umax | mmax)
-               basic_machine=ns32k-encore
+               cpu=ns32k
+               vendor=encore
                ;;
-       es1800 | OSE68k | ose68k | ose | OSE)
-               basic_machine=m68k-ericsson
-               os=-ose
+       elxsi)
+               cpu=elxsi
+               vendor=elxsi
+               basic_os=${basic_os:-bsd}
                ;;
        fx2800)
-               basic_machine=i860-alliant
+               cpu=i860
+               vendor=alliant
                ;;
        genix)
-               basic_machine=ns32k-ns
-               ;;
-       gmicro)
-               basic_machine=tron-gmicro
-               os=-sysv
-               ;;
-       go32)
-               basic_machine=i386-pc
-               os=-go32
+               cpu=ns32k
+               vendor=ns
                ;;
        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
-               ;;
-       hp300-*)
-               basic_machine=m68k-hp
-               ;;
-       hp300bsd)
-               basic_machine=m68k-hp
-               os=-bsd
-               ;;
-       hp300hpux)
-               basic_machine=m68k-hp
-               os=-hpux
+               cpu=hppa1.1
+               vendor=hitachi
+               basic_os=hiuxwe2
                ;;
        hp3k9[0-9][0-9] | hp9[0-9][0-9])
-               basic_machine=hppa1.0-hp
+               cpu=hppa1.0
+               vendor=hp
                ;;
        hp9k2[0-9][0-9] | hp9k31[0-9])
-               basic_machine=m68000-hp
+               cpu=m68000
+               vendor=hp
                ;;
        hp9k3[2-9][0-9])
-               basic_machine=m68k-hp
+               cpu=m68k
+               vendor=hp
                ;;
        hp9k6[0-9][0-9] | hp6[0-9][0-9])
-               basic_machine=hppa1.0-hp
+               cpu=hppa1.0
+               vendor=hp
                ;;
        hp9k7[0-79][0-9] | hp7[0-79][0-9])
-               basic_machine=hppa1.1-hp
+               cpu=hppa1.1
+               vendor=hp
                ;;
        hp9k78[0-9] | hp78[0-9])
                # FIXME: really hppa2.0-hp
-               basic_machine=hppa1.1-hp
+               cpu=hppa1.1
+               vendor=hp
                ;;
        hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
                # FIXME: really hppa2.0-hp
-               basic_machine=hppa1.1-hp
+               cpu=hppa1.1
+               vendor=hp
                ;;
        hp9k8[0-9][13679] | hp8[0-9][13679])
-               basic_machine=hppa1.1-hp
+               cpu=hppa1.1
+               vendor=hp
                ;;
        hp9k8[0-9][0-9] | hp8[0-9][0-9])
-               basic_machine=hppa1.0-hp
-               ;;
-       hppaosf)
-               basic_machine=hppa1.1-hp
-               os=-osf
-               ;;
-       hppro)
-               basic_machine=hppa1.1-hp
-               os=-proelf
-               ;;
-       i370-ibm* | ibm*)
-               basic_machine=i370-ibm
+               cpu=hppa1.0
+               vendor=hp
                ;;
        i*86v32)
-               basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
-               os=-sysv32
+               cpu=$(echo "$1" | sed -e 's/86.*/86/')
+               vendor=pc
+               basic_os=sysv32
                ;;
        i*86v4*)
-               basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
-               os=-sysv4
+               cpu=$(echo "$1" | sed -e 's/86.*/86/')
+               vendor=pc
+               basic_os=sysv4
                ;;
        i*86v)
-               basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
-               os=-sysv
+               cpu=$(echo "$1" | sed -e 's/86.*/86/')
+               vendor=pc
+               basic_os=sysv
                ;;
        i*86sol2)
-               basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
-               os=-solaris2
+               cpu=$(echo "$1" | sed -e 's/86.*/86/')
+               vendor=pc
+               basic_os=solaris2
                ;;
-       i386mach)
-               basic_machine=i386-mach
-               os=-mach
-               ;;
-       vsta)
-               basic_machine=i386-unknown
-               os=-vsta
+       j90 | j90-cray)
+               cpu=j90
+               vendor=cray
+               basic_os=${basic_os:-unicos}
                ;;
        iris | iris4d)
-               basic_machine=mips-sgi
-               case $os in
-                   -irix*)
+               cpu=mips
+               vendor=sgi
+               case $basic_os in
+                   irix*)
                        ;;
                    *)
-                       os=-irix4
+                       basic_os=irix4
                        ;;
                esac
                ;;
-       isi68 | isi)
-               basic_machine=m68k-isi
-               os=-sysv
-               ;;
-       leon-*|leon[3-9]-*)
-               basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'`
-               ;;
-       m68knommu)
-               basic_machine=m68k-unknown
-               os=-linux
-               ;;
-       m68knommu-*)
-               basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               os=-linux
-               ;;
-       magnum | m3230)
-               basic_machine=mips-mips
-               os=-sysv
-               ;;
-       merlin)
-               basic_machine=ns32k-utek
-               os=-sysv
-               ;;
-       microblaze*)
-               basic_machine=microblaze-xilinx
-               ;;
-       mingw64)
-               basic_machine=x86_64-pc
-               os=-mingw64
-               ;;
-       mingw32)
-               basic_machine=i686-pc
-               os=-mingw32
-               ;;
-       mingw32ce)
-               basic_machine=arm-unknown
-               os=-mingw32ce
-               ;;
        miniframe)
-               basic_machine=m68000-convergent
-               ;;
-       *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
-               basic_machine=m68k-atari
-               os=-mint
-               ;;
-       mips3*-*)
-               basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`
-               ;;
-       mips3*)
-               basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`-unknown
-               ;;
-       monitor)
-               basic_machine=m68k-rom68k
-               os=-coff
-               ;;
-       morphos)
-               basic_machine=powerpc-unknown
-               os=-morphos
+               cpu=m68000
+               vendor=convergent
                ;;
-       moxiebox)
-               basic_machine=moxie-unknown
-               os=-moxiebox
-               ;;
-       msdos)
-               basic_machine=i386-pc
-               os=-msdos
-               ;;
-       ms1-*)
-               basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'`
-               ;;
-       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
+       *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
+               cpu=m68k
+               vendor=atari
+               basic_os=mint
                ;;
        news-3600 | risc-news)
-               basic_machine=mips-sony
-               os=-newsos
-               ;;
-       necv70)
-               basic_machine=v70-nec
-               os=-sysv
+               cpu=mips
+               vendor=sony
+               basic_os=newsos
                ;;
        next | m*-next)
-               basic_machine=m68k-next
-               case $os in
-                   -nextstep* )
+               cpu=m68k
+               vendor=next
+               case $basic_os in
+                   openstep*)
+                       ;;
+                   nextstep*)
                        ;;
-                   -ns2*)
-                     os=-nextstep2
+                   ns2*)
+                     basic_os=nextstep2
                        ;;
                    *)
-                     os=-nextstep3
+                     basic_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
+               cpu=np1
+               vendor=gould
                ;;
        op50n-* | op60c-*)
-               basic_machine=hppa1.1-oki
-               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
+               cpu=hppa1.1
+               vendor=oki
+               basic_os=proelf
                ;;
        pa-hitachi)
-               basic_machine=hppa1.1-hitachi
-               os=-hiuxwe2
-               ;;
-       paragon)
-               basic_machine=i860-intel
-               os=-osf
-               ;;
-       parisc)
-               basic_machine=hppa-unknown
-               os=-linux
-               ;;
-       parisc-*)
-               basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               os=-linux
+               cpu=hppa1.1
+               vendor=hitachi
+               basic_os=hiuxwe2
                ;;
        pbd)
-               basic_machine=sparc-tti
+               cpu=sparc
+               vendor=tti
                ;;
        pbb)
-               basic_machine=m68k-tti
-               ;;
-       pc532 | pc532-*)
-               basic_machine=ns32k-pc532
-               ;;
-       pc98)
-               basic_machine=i386-pc
-               ;;
-       pc98-*)
-               basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       pentium | p5 | k5 | k6 | nexgen | viac3)
-               basic_machine=i586-pc
-               ;;
-       pentiumpro | p6 | 6x86 | athlon | athlon_*)
-               basic_machine=i686-pc
-               ;;
-       pentiumii | pentium2 | pentiumiii | pentium3)
-               basic_machine=i686-pc
+               cpu=m68k
+               vendor=tti
                ;;
-       pentium4)
-               basic_machine=i786-pc
-               ;;
-       pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
-               basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       pentiumpro-* | p6-* | 6x86-* | athlon-*)
-               basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
-               basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       pentium4-*)
-               basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+       pc532)
+               cpu=ns32k
+               vendor=pc532
                ;;
        pn)
-               basic_machine=pn-gould
+               cpu=pn
+               vendor=gould
                ;;
-       power)  basic_machine=power-ibm
+       power)
+               cpu=power
+               vendor=ibm
                ;;
-       ppc | ppcbe)    basic_machine=powerpc-unknown
-               ;;
-       ppc-* | ppcbe-*)
-               basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       ppcle | powerpclittle)
-               basic_machine=powerpcle-unknown
-               ;;
-       ppcle-* | powerpclittle-*)
-               basic_machine=powerpcle-`echo "$basic_machine" | sed 's/^[^-]*-//'`
-               ;;
-       ppc64)  basic_machine=powerpc64-unknown
+       ps2)
+               cpu=i386
+               vendor=ibm
                ;;
-       ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+       rm[46]00)
+               cpu=mips
+               vendor=siemens
                ;;
-       ppc64le | powerpc64little)
-               basic_machine=powerpc64le-unknown
+       rtpc | rtpc-*)
+               cpu=romp
+               vendor=ibm
                ;;
-       ppc64le-* | powerpc64little-*)
-               basic_machine=powerpc64le-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+       sde)
+               cpu=mipsisa32
+               vendor=sde
+               basic_os=${basic_os:-elf}
                ;;
-       ps2)
-               basic_machine=i386-ibm
+       simso-wrs)
+               cpu=sparclite
+               vendor=wrs
+               basic_os=vxworks
                ;;
-       pw32)
-               basic_machine=i586-unknown
-               os=-pw32
+       tower | tower-32)
+               cpu=m68k
+               vendor=ncr
                ;;
-       rdos | rdos64)
-               basic_machine=x86_64-pc
-               os=-rdos
+       vpp*|vx|vx-*)
+               cpu=f301
+               vendor=fujitsu
                ;;
-       rdos32)
-               basic_machine=i386-pc
-               os=-rdos
+       w65)
+               cpu=w65
+               vendor=wdc
                ;;
-       rom68k)
-               basic_machine=m68k-rom68k
-               os=-coff
+       w89k-*)
+               cpu=hppa1.1
+               vendor=winbond
+               basic_os=proelf
                ;;
-       rm[46]00)
-               basic_machine=mips-siemens
+       none)
+               cpu=none
+               vendor=none
                ;;
-       rtpc | rtpc-*)
-               basic_machine=romp-ibm
+       leon|leon[3-9])
+               cpu=sparc
+               vendor=$basic_machine
                ;;
-       s390 | s390-*)
-               basic_machine=s390-ibm
+       leon-*|leon[3-9]-*)
+               cpu=sparc
+               vendor=$(echo "$basic_machine" | sed 's/-.*//')
                ;;
-       s390x | s390x-*)
-               basic_machine=s390x-ibm
+
+       *-*)
+               # shellcheck disable=SC2162
+               IFS="-" read cpu vendor <<EOF
+$basic_machine
+EOF
                ;;
-       sa29200)
-               basic_machine=a29k-amd
-               os=-udi
+       # We use `pc' rather than `unknown'
+       # because (1) that's what they normally are, and
+       # (2) the word "unknown" tends to confuse beginning users.
+       i*86 | x86_64)
+               cpu=$basic_machine
+               vendor=pc
                ;;
-       sb1)
-               basic_machine=mipsisa64sb1-unknown
+       # These rules are duplicated from below for sake of the special case above;
+       # i.e. things that normalized to x86 arches should also default to "pc"
+       pc98)
+               cpu=i386
+               vendor=pc
                ;;
-       sb1el)
-               basic_machine=mipsisa64sb1el-unknown
+       x64 | amd64)
+               cpu=x86_64
+               vendor=pc
                ;;
-       sde)
-               basic_machine=mipsisa32-sde
-               os=-elf
+       # Recognize the basic CPU types without company name.
+       *)
+               cpu=$basic_machine
+               vendor=unknown
                ;;
-       sei)
-               basic_machine=mips-sei
-               os=-seiux
+esac
+
+unset -v basic_machine
+
+# Decode basic machines in the full and proper CPU-Company form.
+case $cpu-$vendor in
+       # Here we handle the default manufacturer of certain CPU types in canonical form. It is in
+       # some cases the only manufacturer, in others, it is the most popular.
+       craynv-unknown)
+               vendor=cray
+               basic_os=${basic_os:-unicosmp}
                ;;
-       sequent)
-               basic_machine=i386-sequent
+       c90-unknown | c90-cray)
+               vendor=cray
+               basic_os=${Basic_os:-unicos}
                ;;
-       sh5el)
-               basic_machine=sh5le-unknown
+       fx80-unknown)
+               vendor=alliant
                ;;
-       simso-wrs)
-               basic_machine=sparclite-wrs
-               os=-vxworks
+       romp-unknown)
+               vendor=ibm
                ;;
-       sps7)
-               basic_machine=m68k-bull
-               os=-sysv2
+       mmix-unknown)
+               vendor=knuth
                ;;
-       spur)
-               basic_machine=spur-unknown
+       microblaze-unknown | microblazeel-unknown)
+               vendor=xilinx
                ;;
-       st2000)
-               basic_machine=m68k-tandem
+       rs6000-unknown)
+               vendor=ibm
                ;;
-       stratus)
-               basic_machine=i860-stratus
-               os=-sysv4
+       vax-unknown)
+               vendor=dec
                ;;
-       strongarm-* | thumb-*)
-               basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+       pdp11-unknown)
+               vendor=dec
                ;;
-       sun2)
-               basic_machine=m68000-sun
+       we32k-unknown)
+               vendor=att
                ;;
-       sun2os3)
-               basic_machine=m68000-sun
-               os=-sunos3
+       cydra-unknown)
+               vendor=cydrome
                ;;
-       sun2os4)
-               basic_machine=m68000-sun
-               os=-sunos4
+       i370-ibm*)
+               vendor=ibm
                ;;
-       sun3os3)
-               basic_machine=m68k-sun
-               os=-sunos3
+       orion-unknown)
+               vendor=highlevel
                ;;
-       sun3os4)
-               basic_machine=m68k-sun
-               os=-sunos4
+       xps-unknown | xps100-unknown)
+               cpu=xps100
+               vendor=honeywell
                ;;
-       sun4os3)
-               basic_machine=sparc-sun
-               os=-sunos3
+
+       # Here we normalize CPU types with a missing or matching vendor
+       dpx20-unknown | dpx20-bull)
+               cpu=rs6000
+               vendor=bull
+               basic_os=${basic_os:-bosx}
                ;;
-       sun4os4)
-               basic_machine=sparc-sun
-               os=-sunos4
+
+       # Here we normalize CPU types irrespective of the vendor
+       amd64-*)
+               cpu=x86_64
                ;;
-       sun4sol2)
-               basic_machine=sparc-sun
-               os=-solaris2
+       blackfin-*)
+               cpu=bfin
+               basic_os=linux
                ;;
-       sun3 | sun3-*)
-               basic_machine=m68k-sun
+       c54x-*)
+               cpu=tic54x
                ;;
-       sun4)
-               basic_machine=sparc-sun
+       c55x-*)
+               cpu=tic55x
                ;;
-       sun386 | sun386i | roadrunner)
-               basic_machine=i386-sun
+       c6x-*)
+               cpu=tic6x
                ;;
-       sv1)
-               basic_machine=sv1-cray
-               os=-unicos
+       e500v[12]-*)
+               cpu=powerpc
+               basic_os=${basic_os}"spe"
                ;;
-       symmetry)
-               basic_machine=i386-sequent
-               os=-dynix
+       mips3*-*)
+               cpu=mips64
                ;;
-       t3e)
-               basic_machine=alphaev5-cray
-               os=-unicos
+       ms1-*)
+               cpu=mt
                ;;
-       t90)
-               basic_machine=t90-cray
-               os=-unicos
+       m68knommu-*)
+               cpu=m68k
+               basic_os=linux
                ;;
-       tile*)
-               basic_machine=$basic_machine-unknown
-               os=-linux-gnu
+       m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
+               cpu=s12z
                ;;
-       tx39)
-               basic_machine=mipstx39-unknown
+       openrisc-*)
+               cpu=or32
                ;;
-       tx39el)
-               basic_machine=mipstx39el-unknown
+       parisc-*)
+               cpu=hppa
+               basic_os=linux
                ;;
-       toad1)
-               basic_machine=pdp10-xkl
-               os=-tops20
+       pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+               cpu=i586
                ;;
-       tower | tower-32)
-               basic_machine=m68k-ncr
+       pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+               cpu=i686
                ;;
-       tpf)
-               basic_machine=s390x-ibm
-               os=-tpf
+       pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+               cpu=i686
                ;;
-       udi29k)
-               basic_machine=a29k-amd
-               os=-udi
+       pentium4-*)
+               cpu=i786
                ;;
-       ultra3)
-               basic_machine=a29k-nyu
-               os=-sym1
+       pc98-*)
+               cpu=i386
                ;;
-       v810 | necv810)
-               basic_machine=v810-nec
-               os=-none
+       ppc-* | ppcbe-*)
+               cpu=powerpc
                ;;
-       vaxv)
-               basic_machine=vax-dec
-               os=-sysv
+       ppcle-* | powerpclittle-*)
+               cpu=powerpcle
                ;;
-       vms)
-               basic_machine=vax-dec
-               os=-vms
+       ppc64-*)
+               cpu=powerpc64
                ;;
-       vpp*|vx|vx-*)
-               basic_machine=f301-fujitsu
+       ppc64le-* | powerpc64little-*)
+               cpu=powerpc64le
                ;;
-       vxworks960)
-               basic_machine=i960-wrs
-               os=-vxworks
+       sb1-*)
+               cpu=mipsisa64sb1
                ;;
-       vxworks68)
-               basic_machine=m68k-wrs
-               os=-vxworks
+       sb1el-*)
+               cpu=mipsisa64sb1el
                ;;
-       vxworks29k)
-               basic_machine=a29k-wrs
-               os=-vxworks
+       sh5e[lb]-*)
+               cpu=$(echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/')
                ;;
-       w65*)
-               basic_machine=w65-wdc
-               os=-none
+       spur-*)
+               cpu=spur
                ;;
-       w89k-*)
-               basic_machine=hppa1.1-winbond
-               os=-proelf
+       strongarm-* | thumb-*)
+               cpu=arm
                ;;
-       x64)
-               basic_machine=x86_64-pc
+       tx39-*)
+               cpu=mipstx39
                ;;
-       xbox)
-               basic_machine=i686-pc
-               os=-mingw32
+       tx39el-*)
+               cpu=mipstx39el
                ;;
-       xps | xps100)
-               basic_machine=xps100-honeywell
+       x64-*)
+               cpu=x86_64
                ;;
        xscale-* | xscalee[bl]-*)
-               basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'`
-               ;;
-       ymp)
-               basic_machine=ymp-cray
-               os=-unicos
+               cpu=$(echo "$cpu" | sed 's/^xscale/arm/')
                ;;
-       none)
-               basic_machine=none-none
-               os=-none
+       arm64-*)
+               cpu=aarch64
                ;;
 
-# Here we handle the default manufacturer of certain CPU types.  It is in
-# some cases the only manufacturer, in others, it is the most popular.
-       w89k)
-               basic_machine=hppa1.1-winbond
+       # Recognize the canonical CPU Types that limit and/or modify the
+       # company names they are paired with.
+       cr16-*)
+               basic_os=${basic_os:-elf}
                ;;
-       op50n)
-               basic_machine=hppa1.1-oki
-               ;;
-       op60c)
-               basic_machine=hppa1.1-oki
+       crisv32-* | etraxfs*-*)
+               cpu=crisv32
+               vendor=axis
                ;;
-       romp)
-               basic_machine=romp-ibm
+       cris-* | etrax*-*)
+               cpu=cris
+               vendor=axis
                ;;
-       mmix)
-               basic_machine=mmix-knuth
+       crx-*)
+               basic_os=${basic_os:-elf}
                ;;
-       rs6000)
-               basic_machine=rs6000-ibm
-               ;;
-       vax)
-               basic_machine=vax-dec
-               ;;
-       pdp11)
-               basic_machine=pdp11-dec
-               ;;
-       we32k)
-               basic_machine=we32k-att
-               ;;
-       sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
-               basic_machine=sh-unknown
+       neo-tandem)
+               cpu=neo
+               vendor=tandem
                ;;
-       cydra)
-               basic_machine=cydra-cydrome
+       nse-tandem)
+               cpu=nse
+               vendor=tandem
                ;;
-       orion)
-               basic_machine=orion-highlevel
+       nsr-tandem)
+               cpu=nsr
+               vendor=tandem
                ;;
-       orion105)
-               basic_machine=clipper-highlevel
+       nsv-tandem)
+               cpu=nsv
+               vendor=tandem
                ;;
-       mac | mpw | mac-mpw)
-               basic_machine=m68k-apple
+       nsx-tandem)
+               cpu=nsx
+               vendor=tandem
                ;;
-       pmac | pmac-mpw)
-               basic_machine=powerpc-apple
+       mipsallegrexel-sony)
+               cpu=mipsallegrexel
+               vendor=sony
                ;;
-       *-unknown)
-               # Make sure to match an already-canonicalized machine name.
+       tile*-*)
+               basic_os=${basic_os:-linux-gnu}
                ;;
+
        *)
-               echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
-               exit 1
+               # Recognize the canonical CPU types that are allowed with any
+               # company name.
+               case $cpu in
+                       1750a | 580 \
+                       | a29k \
+                       | aarch64 | aarch64_be \
+                       | abacus \
+                       | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
+                       | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
+                       | alphapca5[67] | alpha64pca5[67] \
+                       | am33_2.0 \
+                       | amdgcn \
+                       | arc | arceb \
+                       | arm | arm[lb]e | arme[lb] | armv* \
+                       | avr | avr32 \
+                       | asmjs \
+                       | ba \
+                       | be32 | be64 \
+                       | bfin | bpf | bs2000 \
+                       | c[123]* | c30 | [cjt]90 | c4x \
+                       | c8051 | clipper | craynv | csky | cydra \
+                       | d10v | d30v | dlx | dsp16xx \
+                       | e2k | elxsi | epiphany \
+                       | f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+                       | h8300 | h8500 \
+                       | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+                       | hexagon \
+                       | i370 | i*86 | i860 | i960 | ia16 | ia64 \
+                       | ip2k | iq2000 \
+                       | k1om \
+                       | le32 | le64 \
+                       | lm32 \
+                       | loongarch32 | loongarch64 | loongarchx32 \
+                       | m32c | m32r | m32rle \
+                       | m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k \
+                       | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
+                       | m88110 | m88k | maxq | mb | mcore | mep | metag \
+                       | microblaze | microblazeel \
+                       | mips | mipsbe | mipseb | mipsel | mipsle \
+                       | mips16 \
+                       | mips64 | mips64eb | mips64el \
+                       | mips64octeon | mips64octeonel \
+                       | mips64orion | mips64orionel \
+                       | mips64r5900 | mips64r5900el \
+                       | mips64vr | mips64vrel \
+                       | mips64vr4100 | mips64vr4100el \
+                       | mips64vr4300 | mips64vr4300el \
+                       | mips64vr5000 | mips64vr5000el \
+                       | mips64vr5900 | mips64vr5900el \
+                       | mipsisa32 | mipsisa32el \
+                       | mipsisa32r2 | mipsisa32r2el \
+                       | mipsisa32r6 | mipsisa32r6el \
+                       | mipsisa64 | mipsisa64el \
+                       | mipsisa64r2 | mipsisa64r2el \
+                       | mipsisa64r6 | mipsisa64r6el \
+                       | mipsisa64sb1 | mipsisa64sb1el \
+                       | mipsisa64sr71k | mipsisa64sr71kel \
+                       | mipsr5900 | mipsr5900el \
+                       | mipstx39 | mipstx39el \
+                       | mmix \
+                       | mn10200 | mn10300 \
+                       | moxie \
+                       | mt \
+                       | msp430 \
+                       | nds32 | nds32le | nds32be \
+                       | nfp \
+                       | nios | nios2 | nios2eb | nios2el \
+                       | none | np1 | ns16k | ns32k | nvptx \
+                       | open8 \
+                       | or1k* \
+                       | or32 \
+                       | orion \
+                       | picochip \
+                       | pdp10 | pdp11 | pj | pjl | pn | power \
+                       | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
+                       | pru \
+                       | pyramid \
+                       | riscv | riscv32 | riscv32be | riscv64 | riscv64be \
+                       | rl78 | romp | rs6000 | rx \
+                       | s390 | s390x \
+                       | score \
+                       | sh | shl \
+                       | sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
+                       | sh[1234]e[lb] |  sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
+                       | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
+                       | sparclite \
+                       | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+                       | spu \
+                       | tahoe \
+                       | thumbv7* \
+                       | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+                       | tron \
+                       | ubicom32 \
+                       | v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
+                       | vax \
+                       | visium \
+                       | w65 \
+                       | wasm32 | wasm64 \
+                       | we32k \
+                       | x86 | x86_64 | xc16x | xgate | xps100 \
+                       | xstormy16 | xtensa* \
+                       | ymp \
+                       | z8k | z80)
+                               ;;
+
+                       *)
+                               echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
+                               exit 1
+                               ;;
+               esac
                ;;
 esac
 
 # Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
-       *-digital*)
-               basic_machine=`echo "$basic_machine" | sed 's/digital.*/dec/'`
+case $vendor in
+       digital*)
+               vendor=dec
                ;;
-       *-commodore*)
-               basic_machine=`echo "$basic_machine" | sed 's/commodore.*/cbm/'`
+       commodore*)
+               vendor=cbm
                ;;
        *)
                ;;
@@ -1338,203 +1280,213 @@ esac
 
 # Decode manufacturer-specific aliases for certain operating systems.
 
-if [ x"$os" != x"" ]
+if test x$basic_os != x
 then
+
+# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
+# set os.
+case $basic_os in
+       gnu/linux*)
+               kernel=linux
+               os=$(echo $basic_os | sed -e 's|gnu/linux|gnu|')
+               ;;
+       os2-emx)
+               kernel=os2
+               os=$(echo $basic_os | sed -e 's|os2-emx|emx|')
+               ;;
+       nto-qnx*)
+               kernel=nto
+               os=$(echo $basic_os | sed -e 's|nto-qnx|qnx|')
+               ;;
+       *-*)
+               # shellcheck disable=SC2162
+               IFS="-" read kernel os <<EOF
+$basic_os
+EOF
+               ;;
+       # Default OS when just kernel was specified
+       nto*)
+               kernel=nto
+               os=$(echo $basic_os | sed -e 's|nto|qnx|')
+               ;;
+       linux*)
+               kernel=linux
+               os=$(echo $basic_os | sed -e 's|linux|gnu|')
+               ;;
+       *)
+               kernel=
+               os=$basic_os
+               ;;
+esac
+
+# Now, normalize the OS (knowing we just have one component, it's not a kernel,
+# etc.)
 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.
-       -auroraux)
-               os=-auroraux
+       # solaris* is a basic system type, with this one exception.
+       auroraux)
+               os=auroraux
                ;;
-       -solaris1 | -solaris1.*)
-               os=`echo $os | sed -e 's|solaris1|sunos4|'`
+       bluegene*)
+               os=cnk
                ;;
-       -solaris)
-               os=-solaris2
+       solaris1 | solaris1.*)
+               os=$(echo $os | sed -e 's|solaris1|sunos4|')
                ;;
-       -unixware*)
-               os=-sysv4.2uw
+       solaris)
+               os=solaris2
                ;;
-       -gnu/linux*)
-               os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+       unixware*)
+               os=sysv4.2uw
                ;;
        # es1800 is here to avoid being matched by es* (a different OS)
-       -es1800*)
-               os=-ose
+       es1800*)
+               os=ose
                ;;
-       # 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* | -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* \
-             | -hiux* | -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* \
-             | -chorusos* | -chorusrdb* | -cegcc* | -glidix* \
-             | -cygwin* | -msys* | -pe* | -psos* | -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*)
-               case $basic_machine in
-                   x86-* | i*86-*)
-                       ;;
-                   *)
-                       os=-nto$os
-                       ;;
-               esac
+       # Some version numbers need modification
+       chorusos*)
+               os=chorusos
                ;;
-       -nto-qnx*)
+       isc)
+               os=isc2.2
                ;;
-       -nto*)
-               os=`echo $os | sed -e 's|nto|nto-qnx|'`
+       sco6)
+               os=sco5v6
                ;;
-       -sim | -xray | -os68k* | -v88r* \
-             | -windows* | -osx | -abug | -netware* | -os9* \
-             | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+       sco5)
+               os=sco3.2v5
                ;;
-       -mac*)
-               os=`echo "$os" | sed -e 's|mac|macos|'`
+       sco4)
+               os=sco3.2v4
                ;;
-       -linux-dietlibc)
-               os=-linux-dietlibc
+       sco3.2.[4-9]*)
+               os=$(echo $os | sed -e 's/sco3.2./sco3.2v/')
                ;;
-       -linux*)
-               os=`echo $os | sed -e 's|linux|linux-gnu|'`
+       sco*v* | scout)
+               # Don't match below
                ;;
-       -sunos5*)
-               os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
+       sco*)
+               os=sco3.2v2
                ;;
-       -sunos6*)
-               os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
+       psos*)
+               os=psos
                ;;
-       -opened*)
-               os=-openedition
+       qnx*)
+               os=qnx
                ;;
-       -os400*)
-               os=-os400
+       hiux*)
+               os=hiuxwe2
                ;;
-       -wince*)
-               os=-wince
+       lynx*178)
+               os=lynxos178
                ;;
-       -utek*)
-               os=-bsd
+       lynx*5)
+               os=lynxos5
                ;;
-       -dynix*)
-               os=-bsd
+       lynxos*)
+               # don't get caught up in next wildcard
                ;;
-       -acis*)
-               os=-aos
+       lynx*)
+               os=lynxos
                ;;
-       -atheos*)
-               os=-atheos
+       mac[0-9]*)
+               os=$(echo "$os" | sed -e 's|mac|macos|')
                ;;
-       -syllable*)
-               os=-syllable
+       opened*)
+               os=openedition
                ;;
-       -386bsd)
-               os=-bsd
+       os400*)
+               os=os400
                ;;
-       -ctix* | -uts*)
-               os=-sysv
+       sunos5*)
+               os=$(echo "$os" | sed -e 's|sunos5|solaris2|')
                ;;
-       -nova*)
-               os=-rtmk-nova
+       sunos6*)
+               os=$(echo "$os" | sed -e 's|sunos6|solaris3|')
                ;;
-       -ns2)
-               os=-nextstep2
+       wince*)
+               os=wince
                ;;
-       -nsk*)
-               os=-nsk
+       utek*)
+               os=bsd
                ;;
-       # Preserve the version number of sinix5.
-       -sinix5.*)
-               os=`echo $os | sed -e 's|sinix|sysv|'`
+       dynix*)
+               os=bsd
                ;;
-       -sinix*)
-               os=-sysv4
+       acis*)
+               os=aos
                ;;
-       -tpf*)
-               os=-tpf
+       atheos*)
+               os=atheos
                ;;
-       -triton*)
-               os=-sysv3
+       syllable*)
+               os=syllable
                ;;
-       -oss*)
-               os=-sysv3
+       386bsd)
+               os=bsd
                ;;
-       -svr4*)
-               os=-sysv4
+       ctix* | uts*)
+               os=sysv
                ;;
-       -svr3)
-               os=-sysv3
+       nova*)
+               os=rtmk-nova
                ;;
-       -sysvr4)
-               os=-sysv4
+       ns2)
+               os=nextstep2
                ;;
-       # This must come after -sysvr4.
-       -sysv*)
+       # Preserve the version number of sinix5.
+       sinix5.*)
+               os=$(echo $os | sed -e 's|sinix|sysv|')
                ;;
-       -ose*)
-               os=-ose
+       sinix*)
+               os=sysv4
                ;;
-       -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
-               os=-mint
+       tpf*)
+               os=tpf
                ;;
-       -zvmoe)
-               os=-zvmoe
+       triton*)
+               os=sysv3
                ;;
-       -dicos*)
-               os=-dicos
+       oss*)
+               os=sysv3
                ;;
-       -pikeos*)
+       svr4*)
+               os=sysv4
+               ;;
+       svr3)
+               os=sysv3
+               ;;
+       sysvr4)
+               os=sysv4
+               ;;
+       ose*)
+               os=ose
+               ;;
+       *mint | mint[0-9]* | *MiNT | MiNT[0-9]*)
+               os=mint
+               ;;
+       dicos*)
+               os=dicos
+               ;;
+       pikeos*)
                # Until real need of OS specific support for
                # particular features comes up, bare metal
                # configurations are quite functional.
-               case $basic_machine in
+               case $cpu in
                    arm*)
-                       os=-eabi
+                       os=eabi
                        ;;
                    *)
-                       os=-elf
+                       os=elf
                        ;;
                esac
                ;;
-       -nacl*)
-               ;;
-       -ios)
-               ;;
-       -none)
-               ;;
        *)
-               # Get rid of the `-' at the beginning of $os.
-               os=`echo $os | sed 's/[^-]*-//'`
-               echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
-               exit 1
+               # No normalization, but not necessarily accepted, that comes below.
                ;;
 esac
+
 else
 
 # Here we handle the default operating systems that come with various machines.
@@ -1547,254 +1499,357 @@ else
 # will signal an error saying that MANUFACTURER isn't an operating
 # system, and we'll never get to this point.
 
-case $basic_machine in
+kernel=
+case $cpu-$vendor in
        score-*)
-               os=-elf
+               os=elf
                ;;
        spu-*)
-               os=-elf
+               os=elf
                ;;
        *-acorn)
-               os=-riscix1.2
+               os=riscix1.2
                ;;
        arm*-rebel)
-               os=-linux
+               kernel=linux
+               os=gnu
                ;;
        arm*-semi)
-               os=-aout
+               os=aout
                ;;
        c4x-* | tic4x-*)
-               os=-coff
+               os=coff
                ;;
        c8051-*)
-               os=-elf
+               os=elf
+               ;;
+       clipper-intergraph)
+               os=clix
                ;;
        hexagon-*)
-               os=-elf
+               os=elf
                ;;
        tic54x-*)
-               os=-coff
+               os=coff
                ;;
        tic55x-*)
-               os=-coff
+               os=coff
                ;;
        tic6x-*)
-               os=-coff
+               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
+               os=sunos3
                ;;
        m68*-cisco)
-               os=-aout
+               os=aout
                ;;
        mep-*)
-               os=-elf
+               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
                ;;
        pru-*)
-               os=-elf
+               os=elf
                ;;
        *-be)
-               os=-beos
+               os=beos
                ;;
        *-ibm)
-               os=-aix
+               os=aix
                ;;
        *-knuth)
-               os=-mmixware
+               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
+               os=nextstep
                ;;
        *-sequent)
-               os=-ptx
+               os=ptx
                ;;
        *-crds)
-               os=-unos
+               os=unos
                ;;
        *-ns)
-               os=-genix
+               os=genix
                ;;
        i370-*)
-               os=-mvs
+               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
 
+# Now, validate our (potentially fixed-up) OS.
+case $os in
+       # Sometimes we do "kernel-libc", so those need to count as OSes.
+       musl* | newlib* | uclibc*)
+               ;;
+       # Likewise for "kernel-abi"
+       eabi* | gnueabi*)
+               ;;
+       # VxWorks passes extra cpu info in the 4th filed.
+       simlinux | simwindows | spe)
+               ;;
+       # Now accept the basic system types.
+       # The portable systems comes first.
+       # Each alternative MUST end in a * to match a version number.
+       gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+            | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
+            | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+            | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \
+            | hiux* | abug | nacl* | netware* | windows* \
+            | os9* | macos* | osx* | ios* \
+            | mpw* | magic* | mmixware* | mon960* | lnews* \
+            | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+            | aos* | aros* | cloudabi* | sortix* | twizzler* \
+            | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
+            | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
+            | mirbsd* | netbsd* | dicos* | openedition* | ose* \
+            | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
+            | ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
+            | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
+            | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
+            | udi* | lites* | ieee* | go32* | aux* | hcos* \
+            | chorusrdb* | cegcc* | glidix* \
+            | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
+            | midipix* | mingw32* | mingw64* | mint* \
+            | 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* \
+            | scout* | superux* | sysv* | rtmk* | tpf* | windiss* \
+            | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
+            | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+            | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+            | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+            | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx*)
+               ;;
+       # This one is extra strict with allowed versions
+       sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
+               # Don't forget version if it is 3.2v4 or newer.
+               ;;
+       none)
+               ;;
+       *)
+               echo Invalid configuration \`"$1"\': OS \`"$os"\' not recognized 1>&2
+               exit 1
+               ;;
+esac
+
+# As a final step for OS-related things, validate the OS-kernel combination
+# (given a valid OS), if there is a kernel.
+case $kernel-$os in
+       linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* )
+               ;;
+       uclinux-uclibc* )
+               ;;
+       -dietlibc* | -newlib* | -musl* | -uclibc* )
+               # These are just libc implementations, not actual OSes, and thus
+               # require a kernel.
+               echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2
+               exit 1
+               ;;
+       kfreebsd*-gnu* | kopensolaris*-gnu*)
+               ;;
+       vxworks-simlinux | vxworks-simwindows | vxworks-spe)
+               ;;
+       nto-qnx*)
+               ;;
+       os2-emx)
+               ;;
+       *-eabi* | *-gnueabi*)
+               ;;
+       -*)
+               # Blank kernel with real OS is always fine.
+               ;;
+       *-*)
+               echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2
+               exit 1
+               ;;
+esac
+
 # Here we handle the case where we know the os, and the CPU type, but not the
 # manufacturer.  We pick the logical manufacturer.
-vendor=unknown
-case $basic_machine in
-       *-unknown)
-               case $os in
-                       -riscix*)
+case $vendor in
+       unknown)
+               case $cpu-$os in
+                       *-riscix*)
                                vendor=acorn
                                ;;
-                       -sunos*)
+                       *-sunos*)
                                vendor=sun
                                ;;
-                       -cnk*|-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*)
                                vendor=ibm
                                ;;
-                       -os400*)
+                       s390-* | s390x-*)
                                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/"`
                ;;
 esac
 
-echo "$basic_machine$os"
+echo "$cpu-$vendor-${kernel:+$kernel-}$os"
 exit
 
 # Local variables:
index e3e6dada2093915fa59aadb6e3183c3dec3d8eba..dc62f1ec51fc5bffbdd03dc8f340a3beff21d1c2 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for python 3.10.
+# Generated by GNU Autoconf 2.69 for python 3.11.
 #
 # Report bugs to <https://bugs.python.org/>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='python'
 PACKAGE_TARNAME='python'
-PACKAGE_VERSION='3.10'
-PACKAGE_STRING='python 3.10'
+PACKAGE_VERSION='3.11'
+PACKAGE_STRING='python 3.11'
 PACKAGE_BUGREPORT='https://bugs.python.org/'
 PACKAGE_URL=''
 
@@ -630,6 +630,7 @@ OPENSSL_RPATH
 OPENSSL_LDFLAGS
 OPENSSL_LIBS
 OPENSSL_INCLUDES
+PKG_CONFIG
 ENSUREPIP
 SRCDIRS
 THREADHEADERS
@@ -661,9 +662,6 @@ DTRACE
 TCLTK_LIBS
 TCLTK_INCLUDES
 LIBFFI_INCLUDEDIR
-PKG_CONFIG_LIBDIR
-PKG_CONFIG_PATH
-PKG_CONFIG
 TZPATH
 SHLIBS
 CFLAGSFORSHARED
@@ -793,6 +791,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -874,10 +873,7 @@ LDFLAGS
 LIBS
 CPPFLAGS
 CPP
-PROFILE_TASK
-PKG_CONFIG
-PKG_CONFIG_PATH
-PKG_CONFIG_LIBDIR'
+PROFILE_TASK'
 
 
 # Initialize some variables set by options.
@@ -916,6 +912,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1168,6 +1165,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1305,7 +1311,7 @@ fi
 for ac_var in  exec_prefix prefix bindir sbindir libexecdir datarootdir \
                datadir sysconfdir sharedstatedir localstatedir includedir \
                oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-               libdir localedir mandir
+               libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1418,7 +1424,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures python 3.10 to adapt to many kinds of systems.
+\`configure' configures python 3.11 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1458,6 +1464,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1483,7 +1490,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of python 3.10:";;
+     short | recursive ) echo "Configuration of python 3.11:";;
    esac
   cat <<\_ACEOF
 
@@ -1630,11 +1637,6 @@ Some influential environment variables:
   CPP         C preprocessor
   PROFILE_TASK
               Python args for PGO generation task
-  PKG_CONFIG  path to pkg-config utility
-  PKG_CONFIG_PATH
-              directories to add to pkg-config's search path
-  PKG_CONFIG_LIBDIR
-              path overriding pkg-config's built-in search path
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -1702,7 +1704,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-python configure 3.10
+python configure 3.11
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2411,7 +2413,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by python $as_me 3.10, which was
+It was created by python $as_me 3.11, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3031,7 +3033,7 @@ rm confdefs.h
 mv confdefs.h.new confdefs.h
 
 
-VERSION=3.10
+VERSION=3.11
 
 # Version number of Python's own shared library file.
 
@@ -10522,126 +10524,7 @@ $as_echo "no" >&6; }
 fi
 
 
-
-
-
-
-
-
-
-if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
-       if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
-set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  ;;
-esac
-fi
-PKG_CONFIG=$ac_cv_path_PKG_CONFIG
-if test -n "$PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
-$as_echo "$PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_path_PKG_CONFIG"; then
-  ac_pt_PKG_CONFIG=$PKG_CONFIG
-  # Extract the first word of "pkg-config", so it can be a program name with args.
-set dummy pkg-config; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $ac_pt_PKG_CONFIG in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  ;;
-esac
-fi
-ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
-if test -n "$ac_pt_PKG_CONFIG"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
-$as_echo "$ac_pt_PKG_CONFIG" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_pt_PKG_CONFIG" = x; then
-    PKG_CONFIG=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    PKG_CONFIG=$ac_pt_PKG_CONFIG
-  fi
-else
-  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
-fi
-
-fi
-if test -n "$PKG_CONFIG"; then
-       _pkg_min_version=0.9.0
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
-$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; }
-       if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
-               { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-       else
-               { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-               PKG_CONFIG=""
-       fi
-fi
+PKG_PROG_PKG_CONFIG
 
 # Check for use of the system expat library
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-system-expat" >&5
@@ -18416,7 +18299,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by python $as_me 3.10, which was
+This file was extended by python $as_me 3.11, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -18478,7 +18361,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-python config.status 3.10
+python config.status 3.11
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
index 8175c640fe6288a75cc846567ea5506086f326f4..ec298b53740270ce82b326c4c2deaa5dcdec4596 100755 (executable)
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2018-03-11.20; # UTC
+scriptversion=2020-11-14.01; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -69,6 +69,11 @@ posix_mkdir=
 # Desired mode of installed file.
 mode=0755
 
+# Create dirs (including intermediate dirs) using mode 755.
+# This is like GNU 'install' as of coreutils 8.32 (2020).
+mkdir_umask=22
+
+backupsuffix=
 chgrpcmd=
 chmodcmd=$chmodprog
 chowncmd=
@@ -99,18 +104,28 @@ Options:
      --version  display version info and exit.
 
   -c            (ignored)
-  -C            install only if different (preserve the last data modification time)
+  -C            install only if different (preserve data modification time)
   -d            create directories instead of installing files.
   -g GROUP      $chgrpprog installed files to GROUP.
   -m MODE       $chmodprog installed files to MODE.
   -o USER       $chownprog installed files to USER.
+  -p            pass -p to $cpprog.
   -s            $stripprog installed files.
+  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
   -t DIRECTORY  install into DIRECTORY.
   -T            report an error if DSTFILE is a directory.
 
 Environment variables override the default commands:
   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
   RMPROG STRIPPROG
+
+By default, rm is invoked with -f; when overridden with RMPROG,
+it's up to you to specify -f if you want it.
+
+If -S is not specified, no backups are attempted.
+
+Email bug reports to bug-automake@gnu.org.
+Automake home page: https://www.gnu.org/software/automake/
 "
 
 while test $# -ne 0; do
@@ -137,8 +152,13 @@ while test $# -ne 0; do
     -o) chowncmd="$chownprog $2"
         shift;;
 
+    -p) cpprog="$cpprog -p";;
+
     -s) stripcmd=$stripprog;;
 
+    -S) backupsuffix="$2"
+        shift;;
+
     -t)
         is_target_a_directory=always
         dst_arg=$2
@@ -255,6 +275,10 @@ do
     dstdir=$dst
     test -d "$dstdir"
     dstdir_status=$?
+    # Don't chown directories that already exist.
+    if test $dstdir_status = 0; then
+      chowncmd=""
+    fi
   else
 
     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
@@ -301,22 +325,6 @@ do
   if test $dstdir_status != 0; then
     case $posix_mkdir in
       '')
-        # Create intermediate dirs using mode 755 as modified by the umask.
-        # This is like FreeBSD 'install' as of 1997-10-28.
-        umask=`umask`
-        case $stripcmd.$umask in
-          # Optimize common cases.
-          *[2367][2367]) mkdir_umask=$umask;;
-          .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
-
-          *[0-7])
-            mkdir_umask=`expr $umask + 22 \
-              - $umask % 100 % 40 + $umask % 20 \
-              - $umask % 10 % 4 + $umask % 2
-            `;;
-          *) mkdir_umask=$umask,go-w;;
-        esac
-
         # With -d, create the new directory with the user-specified mode.
         # Otherwise, rely on $mkdir_umask.
         if test -n "$dir_arg"; then
@@ -326,52 +334,49 @@ do
         fi
 
         posix_mkdir=false
-        case $umask in
-          *[123567][0-7][0-7])
-            # POSIX mkdir -p sets u+wx bits regardless of umask, which
-            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
-            ;;
-          *)
-            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
-            # here however when possible just to lower collision chance.
-            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
-
-            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
-
-            # Because "mkdir -p" follows existing symlinks and we likely work
-            # directly in world-writeable /tmp, make sure that the '$tmpdir'
-            # directory is successfully created first before we actually test
-            # 'mkdir -p' feature.
-            if (umask $mkdir_umask &&
-                $mkdirprog $mkdir_mode "$tmpdir" &&
-                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
-            then
-              if test -z "$dir_arg" || {
-                   # Check for POSIX incompatibilities with -m.
-                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-                   # other-writable bit of parent directory when it shouldn't.
-                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-                   test_tmpdir="$tmpdir/a"
-                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
-                   case $ls_ld_tmpdir in
-                     d????-?r-*) different_mode=700;;
-                     d????-?--*) different_mode=755;;
-                     *) false;;
-                   esac &&
-                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
-                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
-                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
-                   }
-                 }
-              then posix_mkdir=:
-              fi
-              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
-            else
-              # Remove any dirs left behind by ancient mkdir implementations.
-              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
-            fi
-            trap '' 0;;
-        esac;;
+       # The $RANDOM variable is not portable (e.g., dash).  Use it
+       # here however when possible just to lower collision chance.
+       tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
+       trap '
+         ret=$?
+         rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
+         exit $ret
+       ' 0
+
+       # Because "mkdir -p" follows existing symlinks and we likely work
+       # directly in world-writeable /tmp, make sure that the '$tmpdir'
+       # directory is successfully created first before we actually test
+       # 'mkdir -p'.
+       if (umask $mkdir_umask &&
+           $mkdirprog $mkdir_mode "$tmpdir" &&
+           exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
+       then
+         if test -z "$dir_arg" || {
+              # Check for POSIX incompatibilities with -m.
+              # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+              # other-writable bit of parent directory when it shouldn't.
+              # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+              test_tmpdir="$tmpdir/a"
+              ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
+              case $ls_ld_tmpdir in
+                d????-?r-*) different_mode=700;;
+                d????-?--*) different_mode=755;;
+                *) false;;
+              esac &&
+              $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+                ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
+                test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+              }
+            }
+         then posix_mkdir=:
+         fi
+         rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
+       else
+         # Remove any dirs left behind by ancient mkdir implementations.
+         rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
+       fi
+       trap '' 0;;
     esac
 
     if
@@ -382,7 +387,7 @@ do
     then :
     else
 
-      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # mkdir does not conform to POSIX,
       # or it failed possibly due to a race condition.  Create the
       # directory the slow way, step by step, checking for races as we go.
 
@@ -411,7 +416,7 @@ do
           prefixes=
         else
           if $posix_mkdir; then
-            (umask=$mkdir_umask &&
+            (umask $mkdir_umask &&
              $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
             # Don't fail if two instances are running concurrently.
             test -d "$prefix" || exit 1
@@ -451,7 +456,18 @@ do
     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 
     # Copy the file name to the temp name.
-    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+    (umask $cp_umask &&
+     { test -z "$stripcmd" || {
+        # Create $dsttmp read-write so that cp doesn't create it read-only,
+        # which would cause strip to fail.
+        if test -z "$doit"; then
+          : >"$dsttmp" # No need to fork-exec 'touch'.
+        else
+          $doit touch "$dsttmp"
+        fi
+       }
+     } &&
+     $doit_exec $cpprog "$src" "$dsttmp") &&
 
     # and set any options; do chmod last to preserve setuid bits.
     #
@@ -477,6 +493,13 @@ do
     then
       rm -f "$dsttmp"
     else
+      # If $backupsuffix is set, and the file being installed
+      # already exists, attempt a backup.  Don't worry if it fails,
+      # e.g., if mv doesn't support -f.
+      if test -n "$backupsuffix" && test -f "$dst"; then
+        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
+      fi
+
       # Rename the file to the real destination.
       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
 
@@ -491,9 +514,9 @@ do
         # file should still install successfully.
         {
           test ! -f "$dst" ||
-          $doit $rmcmd -f "$dst" 2>/dev/null ||
+          $doit $rmcmd "$dst" 2>/dev/null ||
           { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
-            { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+            { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
           } ||
           { echo "$0: cannot unlink or rename $dst" >&2
             (exit 1); exit 1