Merge branch 'develop'

Add notes for v1.13.
Update from upstream Hash Predef.
2025-07-28 03:07:14 +02:00 · 2021-02-13 20:33:00 -06:00 · 2021-02-13 12:16:24 -06:00 · 2021-02-13 10:21:16 -06:00 · 2021-02-09 23:05:35 -06:00 · 2021-02-09 23:00:54 -06:00
43 changed files with 885 additions and 350 deletions
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@ -32,139 +32,44 @@ stages:
  - job: 'Linux'
    strategy:
      matrix:
-        GCC 9 (GNU):
-          TOOLSET: gcc
-          CXX: g++-9
-          PACKAGES: g++-9
-          B2_ARGS: 'cxxstd=03,11,14,17,2a cxxstd-dialect=gnu'
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 9 (ISO):
-          TOOLSET: gcc
-          CXX: g++-9
-          PACKAGES: g++-9
-          B2_ARGS: 'cxxstd=03,11,14,17,2a cxxstd-dialect=iso'
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 9:
-          TOOLSET: gcc
-          CXX: g++-9
-          PACKAGES: g++-9
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 8:
-          TOOLSET: gcc
-          CXX: g++-8
-          PACKAGES: g++-8
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 7:
-          TOOLSET: gcc
-          CXX: g++-7
-          PACKAGES: g++-7
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 6:
-          TOOLSET: gcc
-          CXX: g++-6
-          PACKAGES: g++-6
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 5:
-          TOOLSET: gcc
-          CXX: g++-5
-          PACKAGES: g++-5
-          VM_IMAGE: 'ubuntu-18.04'
-        GCC 4.9:
-          TOOLSET: gcc
-          CXX: g++-4.9
-          PACKAGES: g++-4.9
-          VM_IMAGE: 'ubuntu-16.04'
-        GCC 4.8:
-          TOOLSET: gcc
-          CXX: g++-4.8
-          PACKAGES: g++-4.8
-          VM_IMAGE: 'ubuntu-16.04'
-        GCC 4.7:
-          TOOLSET: gcc
-          CXX: g++-4.7
-          PACKAGES: g++-4.7
-          VM_IMAGE: 'ubuntu-16.04'
-        Clang 9:
-          TOOLSET: clang
-          CXX: clang++-9
-          PACKAGES: clang-9
-          LLVM_REPO: llvm-toolchain-xenial-9
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 8:
-          TOOLSET: clang
-          CXX: clang++-8
-          PACKAGES: clang-8
-          LLVM_REPO: llvm-toolchain-xenial-8
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 7:
-          TOOLSET: clang
-          CXX: clang++-7
-          PACKAGES: clang-7
-          LLVM_REPO: llvm-toolchain-xenial-7
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 6:
-          TOOLSET: clang
-          CXX: clang++-6.0
-          PACKAGES: clang-6.0
-          LLVM_REPO: llvm-toolchain-xenial-6.0
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 5:
-          TOOLSET: clang
-          CXX: clang++-5.0
-          PACKAGES: clang-5.0
-          LLVM_REPO: llvm-toolchain-xenial-5.0
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 4:
-          TOOLSET: clang
-          CXX: clang++-4.0
-          PACKAGES: clang-4.0
-          LLVM_REPO: llvm-toolchain-xenial-4.0
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 3.9:
-          TOOLSET: clang
-          CXX: clang++-3.9
-          PACKAGES: clang-3.9
-          VM_IMAGE: 'ubuntu-18.04'
-        Clang 3.8:
-          TOOLSET: clang
-          CXX: clang++-3.8
-          PACKAGES: clang-3.8
-          VM_IMAGE: 'ubuntu-16.04'
-        Clang 3.7:
-          TOOLSET: clang
-          CXX: clang++-3.7
-          PACKAGES: clang-3.7
-          VM_IMAGE: 'ubuntu-16.04'
-        Clang 3.6:
-          TOOLSET: clang
-          CXX: clang++-3.6
-          PACKAGES: clang-3.6
-          VM_IMAGE: 'ubuntu-16.04'
-        Clang 3.5:
-          TOOLSET: clang
-          CXX: clang++-3.5
-          PACKAGES: clang-3.5
-          VM_IMAGE: 'ubuntu-16.04'
+        GCC 10 (GNU): { CXX: g++-10, PACKAGES: g++-10, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc, B2_ARGS: 'cxxstd=03,11,14,17,2a cxxstd-dialect=gnu' }
+        GCC 10 (ISO): { CXX: g++-10, PACKAGES: g++-10, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc, B2_ARGS: 'cxxstd=03,11,14,17,2a cxxstd-dialect=iso' }
+        GCC 10: { CXX: g++-10, PACKAGES: g++-10, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 9: { CXX: g++-9, PACKAGES: g++-9, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 8: { CXX: g++-8, PACKAGES: g++-8, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 7: { CXX: g++-7, PACKAGES: g++-7, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 6: { CXX: g++-6, PACKAGES: g++-6, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 5: { CXX: g++-5, PACKAGES: g++-5, VM_IMAGE: 'ubuntu-18.04', TOOLSET: gcc }
+        GCC 4.9: { CXX: g++-4.9, PACKAGES: g++-4.9, VM_IMAGE: 'ubuntu-16.04', TOOLSET: gcc }
+        GCC 4.8: { CXX: g++-4.8, PACKAGES: g++-4.8, VM_IMAGE: 'ubuntu-16.04', TOOLSET: gcc }
+        GCC 4.7: { CXX: g++-4.7, PACKAGES: g++-4.7, VM_IMAGE: 'ubuntu-16.04', TOOLSET: gcc }
+        Clang 11: { CXX: clang++-11, PACKAGES: clang-11, LLVM_OS: bionic, LLVM_VER: 11, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 10: { CXX: clang++-10, PACKAGES: clang-10, LLVM_OS: bionic, LLVM_VER: 10, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 9: { CXX: clang++-9, PACKAGES: clang-9, LLVM_OS: bionic, LLVM_VER: 9, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 8: { CXX: clang++-8, PACKAGES: clang-8, LLVM_OS: bionic, LLVM_VER: 8, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 7: { CXX: clang++-7, PACKAGES: clang-7, LLVM_OS: bionic, LLVM_VER: 7, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 6.0: { CXX: clang++-6.0, PACKAGES: clang-6.0, LLVM_OS: bionic, LLVM_VER: 6.0, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 5.0: { CXX: clang++-5.0, PACKAGES: clang-5.0, LLVM_OS: bionic, LLVM_VER: 5.0, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 4.0: { CXX: clang++-4.0, PACKAGES: clang-4.0, LLVM_OS: xenial, LLVM_VER: 4.0, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 3.9: { CXX: clang++-3.9, PACKAGES: clang-3.9, LLVM_OS: xenial, LLVM_VER: 3.9, VM_IMAGE: 'ubuntu-18.04', TOOLSET: clang }
+        Clang 3.8: { CXX: clang++-3.8, PACKAGES: clang-3.8, LLVM_OS: xenial, LLVM_VER: 3.8, VM_IMAGE: 'ubuntu-16.04', TOOLSET: clang }
+        Clang 3.7: { CXX: clang++-3.7, PACKAGES: clang-3.7, LLVM_OS: xenial, VM_IMAGE: 'ubuntu-16.04', TOOLSET: clang }
+        Clang 3.6: { CXX: clang++-3.6, PACKAGES: clang-3.6, LLVM_OS: xenial, VM_IMAGE: 'ubuntu-16.04', TOOLSET: clang }
+        Clang 3.5: { CXX: clang++-3.5, PACKAGES: clang-3.5, LLVM_OS: xenial, VM_IMAGE: 'ubuntu-16.04', TOOLSET: clang }
    pool:
      vmImage: $(VM_IMAGE)
    steps:
    - bash: |
        set -e
        uname -a
-        sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
-        if test -n "${LLVM_REPO}" ; then
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo -E apt-add-repository "deb http://apt.llvm.org/xenial/ ${LLVM_REPO} main"
-        fi
-        sudo -E apt-get update
-        sudo -E apt-get -yq --no-install-suggests --no-install-recommends install ${PACKAGES}
+        ./tools/ci/linux-cxx-install.sh
      displayName: 'Install CXX'
    - bash: |
        set -e
        pushd ${HOME}
-        wget -nv https://github.com/boostorg/build/archive/master.tar.gz
-        tar -zxf master.tar.gz
-        cd build-master
+        wget -nv https://github.com/boostorg/build/archive/develop.tar.gz
+        tar -zxf develop.tar.gz
+        cd build-develop
        CXX= ./bootstrap.sh
        sudo ./b2 install
        popd
@ -174,53 +79,39 @@ stages:
        CXX_PATH=`which ${CXX}`
        echo "using ${TOOLSET} : : ${CXX_PATH} ;" > ${HOME}/user-config.jam
        pushd test
-        b2 --debug-configuration -a toolset=${TOOLSET} ${B2_ARGS}
+        b2 --verbose-test -a toolset=${TOOLSET} ${B2_ARGS} predef-info
+        b2 --debug-configuration -a toolset=${TOOLSET} ${B2_ARGS} predef predef-headers
        popd
      displayName: Test

  - job: 'macOS'
    strategy:
      matrix:
-        Xcode 11.4:
+        Xcode 11.4.1:
          TOOLSET: clang
          CXX: clang++
-          XCODE_APP: /Applications/Xcode_11.4_beta.app
+          XCODE_APP: /Applications/Xcode_11.4.1.app
          VM_IMAGE: 'macOS-10.15'
        Xcode 11.3.1:
          TOOLSET: clang
          CXX: clang++
          XCODE_APP: /Applications/Xcode_11.3.1.app
          VM_IMAGE: 'macOS-10.15'
-        Xcode 11.3:
+        Xcode 11.2.1:
          TOOLSET: clang
          CXX: clang++
-          XCODE_APP: /Applications/Xcode_11.3.app
+          XCODE_APP: /Applications/Xcode_11.2.1.app
          VM_IMAGE: 'macOS-10.15'
-        Xcode 11.2:
+        Xcode 10.3:
          TOOLSET: clang
          CXX: clang++
-          XCODE_APP: /Applications/Xcode_11.2.app
-          VM_IMAGE: 'macOS-10.15'
-        Xcode 11.1:
-          TOOLSET: clang
-          CXX: clang++
-          XCODE_APP: /Applications/Xcode_11.1.app
-          VM_IMAGE: 'macOS-10.15'
-        Xcode 11.0:
-          TOOLSET: clang
-          CXX: clang++
-          XCODE_APP: /Applications/Xcode_11.app
-          VM_IMAGE: 'macOS-10.15'
+          XCODE_APP: /Applications/Xcode_10.3.app
+          VM_IMAGE: 'macOS-10.14'
        Xcode 10.2.1:
          TOOLSET: clang
          CXX: clang++
          XCODE_APP: /Applications/Xcode_10.2.1.app
          VM_IMAGE: 'macOS-10.14'
-        Xcode 10.2:
-          TOOLSET: clang
-          CXX: clang++
-          XCODE_APP: /Applications/Xcode_10.2.app
-          VM_IMAGE: 'macOS-10.14'
        Xcode 10.1:
          TOOLSET: clang
          CXX: clang++
@ -244,9 +135,9 @@ stages:
    - bash: |
        set -e
        pushd ${HOME}
-        wget -nv https://github.com/boostorg/build/archive/master.tar.gz
-        tar -zxf master.tar.gz
-        cd build-master
+        wget -nv https://github.com/boostorg/build/archive/develop.tar.gz
+        tar -zxf develop.tar.gz
+        cd build-develop
        CXX= ./bootstrap.sh
        sudo ./b2 install
        popd
@ -256,7 +147,8 @@ stages:
        CXX_PATH=`which ${CXX}`
        echo "using ${TOOLSET} : : ${CXX_PATH} ;" > ${HOME}/user-config.jam
        pushd test
-        b2 --debug-configuration -a toolset=${TOOLSET} ${B2_ARGS}
+        b2 --verbose-test -a toolset=${TOOLSET} ${B2_ARGS} predef-info
+        b2 --debug-configuration -a toolset=${TOOLSET} ${B2_ARGS} predef predef-headers
        popd
      displayName: Test

@ -313,7 +205,7 @@ stages:
    steps:
    - script: |
        cd %BUILD_SOURCESDIRECTORY%/..
-        curl "https://github.com/boostorg/build/archive/master.zip" -L -o b2.zip
+        curl "https://github.com/boostorg/build/archive/develop.zip" -L -o b2.zip
      displayName: Download B2
    - task: ExtractFiles@1
      inputs:
@ -323,11 +215,12 @@ stages:
      displayName: Extract B2
    - script: |
        echo using %TOOLSET% ^: %TOOLSET_VERSION% ^; > %HOMEDRIVE%%HOMEPATH%/user-config.jam
-        cd %BUILD_SOURCESDIRECTORY%/../build-master
+        cd %BUILD_SOURCESDIRECTORY%/../build-develop
        cmd.exe /c bootstrap.bat
      displayName: Install B2
    - script: |
-        set BOOST_BUILD_PATH=%BUILD_SOURCESDIRECTORY%/../build-master
+        set BOOST_BUILD_PATH=%BUILD_SOURCESDIRECTORY%/../build-develop
        cd %BUILD_SOURCESDIRECTORY%/test
-        %BUILD_SOURCESDIRECTORY%/../build-master/b2.exe --debug-configuration -a toolset=%TOOLSET% %B2_ARGS%
+        %BUILD_SOURCESDIRECTORY%/../build-develop/b2.exe --verbose-test -a toolset=%TOOLSET% %B2_ARGS% predef-info
+        %BUILD_SOURCESDIRECTORY%/../build-develop/b2.exe --debug-configuration -a toolset=%TOOLSET% %B2_ARGS% predef predef-headers
      displayName: Test
--- a/doc/history.adoc
+++ b/doc/history.adoc
@ -1,5 +1,5 @@
 ////
-Copyright 2014-2020 Rene Rivera
+Copyright 2014-2021 Rene Rivera
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE_1_0.txt or copy at
 http://www.boost.org/LICENSE_1_0.txt)
@ -7,6 +7,24 @@ http://www.boost.org/LICENSE_1_0.txt)

 = History

+== 1.13
+
+* Add `ARCH_PPC_64` predef.
+* Fix `ARCH_WORD_BITS*` redefinition warnings/errors.
+* Add `ARCH_E2K`, Elbrus 2000, architecture from Konstantin Ivlev.
+* Fix not handling recent C++ version that go above 10.x version.
+
+== 1.12
+
+* Switch to using the endian.h header on OpenBSD. (Brad Smith)
+* Fix not handling recent versions of stdcxx that go above version 9.
+* Fix including sub-BSD OS headers directly causing redef warnings.
+* Add CI testing of direct inclusion of all headers.
+* Add CI testing on FreeBSD for clang and gcc.
+* Add `WORD_BITS` set of predefs to detect the architecture word size.
+  Initial implementation inspired by submission from Mikhail Komarov.
+* Add CI testing for Cygwin 32 and 64.
+
 == 1.11

 * Add `BOOST_ARCH_RISCV`. (from Andreas Schwab)
--- a/doc/index.html
+++ b/doc/index.html
@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 2.0.10">
+<meta name="generator" content="Asciidoctor 2.0.12">
 <meta name="author" content="Rene Rivera">
 <title>Boost.Predef</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
@ -48,7 +48,7 @@ textarea{overflow:auto;vertical-align:top}
 table{border-collapse:collapse;border-spacing:0}
 *,*::before,*::after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}
 html,body{font-size:100%}
-body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto;tab-size:4;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}
+body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto;tab-size:4;word-wrap:anywhere;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}
 a:hover{cursor:pointer}
 img,object,embed{max-width:100%;height:auto}
 object,embed{height:100%}
@ -63,10 +63,8 @@ img{-ms-interpolation-mode:bicubic}
 img,object,svg{display:inline-block;vertical-align:middle}
 textarea{height:auto;min-height:50px}
 select{width:100%}
-.center{margin-left:auto;margin-right:auto}
-.stretch{width:100%}
 .subheader,.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{line-height:1.45;color:#7a2518;font-weight:400;margin-top:0;margin-bottom:.25em}
-div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0;direction:ltr}
+div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0}
 a{color:#2156a5;text-decoration:underline;line-height:inherit}
 a:hover,a:focus{color:#1d4b8f}
 a img{border:0}
@ -106,19 +104,22 @@ h1{font-size:2.75em}
 h2{font-size:2.3125em}
 h3,#toctitle,.sidebarblock>.content>.title{font-size:1.6875em}
 h4{font-size:1.4375em}}
-table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede}
+table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede;word-wrap:normal}
 table thead,table tfoot{background:#f7f8f7}
 table thead tr th,table thead tr td,table tfoot tr th,table tfoot tr td{padding:.5em .625em .625em;font-size:inherit;color:rgba(0,0,0,.8);text-align:left}
 table tr th,table tr td{padding:.5625em .625em;font-size:inherit;color:rgba(0,0,0,.8)}
 table tr.even,table tr.alt{background:#f8f8f7}
-table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{display:table-cell;line-height:1.6}
+table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{line-height:1.6}
 h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2;word-spacing:-.05em}
 h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title strong,h4 strong,h5 strong,h6 strong{font-weight:400}
+.center{margin-left:auto;margin-right:auto}
+.stretch{width:100%}
 .clearfix::before,.clearfix::after,.float-group::before,.float-group::after{content:" ";display:table}
 .clearfix::after,.float-group::after{clear:both}
-:not(pre):not([class^=L])>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed;word-wrap:break-word}
-:not(pre)>code.nobreak{word-wrap:normal}
-:not(pre)>code.nowrap{white-space:nowrap}
+:not(pre).nobreak{word-wrap:normal}
+:not(pre).nowrap{white-space:nowrap}
+:not(pre).pre-wrap{white-space:pre-wrap}
+:not(pre):not([class^=L])>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed}
 pre{color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;line-height:1.45;text-rendering:optimizeSpeed}
 pre code,pre pre{color:inherit;font-size:inherit;line-height:inherit}
 pre>code{display:block}
@ -183,7 +184,7 @@ body.toc2.toc-right{padding-left:0;padding-right:20em}}
 #content #toc{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
 #content #toc>:first-child{margin-top:0}
 #content #toc>:last-child{margin-bottom:0}
-#footer{max-width:100%;background:rgba(0,0,0,.8);padding:1.25em}
+#footer{max-width:none;background:rgba(0,0,0,.8);padding:1.25em}
 #footer-text{color:rgba(255,255,255,.8);line-height:1.44}
 #content{margin-bottom:.625em}
 .sect1{padding-bottom:.625em}
@ -206,7 +207,7 @@ table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font
 .admonitionblock>table td.icon{text-align:center;width:80px}
 .admonitionblock>table td.icon img{max-width:none}
 .admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
-.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6)}
+.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6);word-wrap:anywhere}
 .admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
 .exampleblock>.content{border-style:solid;border-width:1px;border-color:#e6e6e6;margin-bottom:1.25em;padding:1.25em;background:#fff;-webkit-border-radius:4px;border-radius:4px}
 .exampleblock>.content>:first-child{margin-top:0}
@ -216,7 +217,7 @@ table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font
 .sidebarblock>:last-child{margin-bottom:0}
 .sidebarblock>.content>.title{color:#7a2518;margin-top:0;text-align:center}
 .exampleblock>.content>:last-child>:last-child,.exampleblock>.content .olist>ol>li:last-child>:last-child,.exampleblock>.content .ulist>ul>li:last-child>:last-child,.exampleblock>.content .qlist>ol>li:last-child>:last-child,.sidebarblock>.content>:last-child>:last-child,.sidebarblock>.content .olist>ol>li:last-child>:last-child,.sidebarblock>.content .ulist>ul>li:last-child>:last-child,.sidebarblock>.content .qlist>ol>li:last-child>:last-child{margin-bottom:0}
-.literalblock pre,.listingblock>.content>pre{-webkit-border-radius:4px;border-radius:4px;word-wrap:break-word;overflow-x:auto;padding:1em;font-size:.8125em}
+.literalblock pre,.listingblock>.content>pre{-webkit-border-radius:4px;border-radius:4px;overflow-x:auto;padding:1em;font-size:.8125em}
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@ -477,23 +550,25 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b
 <li><a href="#_boost_arch_arm">4.1.2. <code>BOOST_ARCH_ARM</code></a></li>
 <li><a href="#_boost_arch_blackfin">4.1.3. <code>BOOST_ARCH_BLACKFIN</code></a></li>
 <li><a href="#_boost_arch_convex">4.1.4. <code>BOOST_ARCH_CONVEX</code></a></li>
-<li><a href="#_boost_arch_ia64">4.1.5. <code>BOOST_ARCH_IA64</code></a></li>
-<li><a href="#_boost_arch_m68k">4.1.6. <code>BOOST_ARCH_M68K</code></a></li>
-<li><a href="#_boost_arch_mips">4.1.7. <code>BOOST_ARCH_MIPS</code></a></li>
-<li><a href="#_boost_arch_parisc">4.1.8. <code>BOOST_ARCH_PARISC</code></a></li>
-<li><a href="#_boost_arch_ppc">4.1.9. <code>BOOST_ARCH_PPC</code></a></li>
-<li><a href="#_boost_arch_ptx">4.1.10. <code>BOOST_ARCH_PTX</code></a></li>
-<li><a href="#_boost_arch_pyramid">4.1.11. <code>BOOST_ARCH_PYRAMID</code></a></li>
-<li><a href="#_boost_arch_riscv">4.1.12. <code>BOOST_ARCH_RISCV</code></a></li>
-<li><a href="#_boost_arch_rs6000">4.1.13. <code>BOOST_ARCH_RS6000</code></a></li>
-<li><a href="#_boost_arch_sparc">4.1.14. <code>BOOST_ARCH_SPARC</code></a></li>
-<li><a href="#_boost_arch_sh">4.1.15. <code>BOOST_ARCH_SH</code></a></li>
-<li><a href="#_boost_arch_sys370">4.1.16. <code>BOOST_ARCH_SYS370</code></a></li>
-<li><a href="#_boost_arch_sys390">4.1.17. <code>BOOST_ARCH_SYS390</code></a></li>
-<li><a href="#_boost_arch_x86">4.1.18. <code>BOOST_ARCH_X86</code></a></li>
-<li><a href="#_boost_arch_z">4.1.19. <code>BOOST_ARCH_Z</code></a></li>
-<li><a href="#_boost_arch_x86_32">4.1.20. <code>BOOST_ARCH_X86_32</code></a></li>
-<li><a href="#_boost_arch_x86_64">4.1.21. <code>BOOST_ARCH_X86_64</code></a></li>
+<li><a href="#_boost_arch_e2k">4.1.5. <code>BOOST_ARCH_E2K</code></a></li>
+<li><a href="#_boost_arch_ia64">4.1.6. <code>BOOST_ARCH_IA64</code></a></li>
+<li><a href="#_boost_arch_m68k">4.1.7. <code>BOOST_ARCH_M68K</code></a></li>
+<li><a href="#_boost_arch_mips">4.1.8. <code>BOOST_ARCH_MIPS</code></a></li>
+<li><a href="#_boost_arch_parisc">4.1.9. <code>BOOST_ARCH_PARISC</code></a></li>
+<li><a href="#_boost_arch_ppc">4.1.10. <code>BOOST_ARCH_PPC</code></a></li>
+<li><a href="#_boost_arch_ppc_64">4.1.11. <code>BOOST_ARCH_PPC_64</code></a></li>
+<li><a href="#_boost_arch_ptx">4.1.12. <code>BOOST_ARCH_PTX</code></a></li>
+<li><a href="#_boost_arch_pyramid">4.1.13. <code>BOOST_ARCH_PYRAMID</code></a></li>
+<li><a href="#_boost_arch_riscv">4.1.14. <code>BOOST_ARCH_RISCV</code></a></li>
+<li><a href="#_boost_arch_rs6000">4.1.15. <code>BOOST_ARCH_RS6000</code></a></li>
+<li><a href="#_boost_arch_sparc">4.1.16. <code>BOOST_ARCH_SPARC</code></a></li>
+<li><a href="#_boost_arch_sh">4.1.17. <code>BOOST_ARCH_SH</code></a></li>
+<li><a href="#_boost_arch_sys370">4.1.18. <code>BOOST_ARCH_SYS370</code></a></li>
+<li><a href="#_boost_arch_sys390">4.1.19. <code>BOOST_ARCH_SYS390</code></a></li>
+<li><a href="#_boost_arch_x86">4.1.20. <code>BOOST_ARCH_X86</code></a></li>
+<li><a href="#_boost_arch_z">4.1.21. <code>BOOST_ARCH_Z</code></a></li>
+<li><a href="#_boost_arch_x86_32">4.1.22. <code>BOOST_ARCH_X86_32</code></a></li>
+<li><a href="#_boost_arch_x86_64">4.1.23. <code>BOOST_ARCH_X86_64</code></a></li>
 </ul>
 </li>
 <li><a href="#_boost_comp_compiler_macros">4.2. <code>BOOST_COMP</code> compiler macros</a>
@ -620,8 +695,9 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b
 <li><a href="#_other_macros">4.8. Other macros</a>
 <ul class="sectlevel3">
 <li><a href="#_boost_endian">4.8.1. <code>BOOST_ENDIAN_*</code></a></li>
-<li><a href="#_boost_predef_workaround">4.8.2. <code>BOOST_PREDEF_WORKAROUND</code></a></li>
-<li><a href="#_boost_predef_tested_at">4.8.3. <code>BOOST_PREDEF_TESTED_AT</code></a></li>
+<li><a href="#_boost_arch_word_bits">4.8.2. <code>BOOST_ARCH_WORD_BITS</code></a></li>
+<li><a href="#_boost_predef_workaround">4.8.3. <code>BOOST_PREDEF_WORKAROUND</code></a></li>
+<li><a href="#_boost_predef_tested_at">4.8.4. <code>BOOST_PREDEF_TESTED_AT</code></a></li>
 </ul>
 </li>
 <li><a href="#_version_definition_macros">4.9. Version definition macros</a>
@ -641,18 +717,20 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b
 </li>
 <li><a href="#_history">6. History</a>
 <ul class="sectlevel2">
-<li><a href="#_1_11">6.1. 1.11</a></li>
-<li><a href="#_1_10">6.2. 1.10</a></li>
-<li><a href="#_1_9">6.3. 1.9</a></li>
-<li><a href="#_1_8">6.4. 1.8</a></li>
-<li><a href="#_1_7">6.5. 1.7</a></li>
-<li><a href="#_1_6">6.6. 1.6</a></li>
-<li><a href="#_1_5">6.7. 1.5</a></li>
-<li><a href="#_1_4_1">6.8. 1.4.1</a></li>
-<li><a href="#_1_4">6.9. 1.4</a></li>
-<li><a href="#_1_3">6.10. 1.3</a></li>
-<li><a href="#_1_2">6.11. 1.2</a></li>
-<li><a href="#_1_1">6.12. 1.1</a></li>
+<li><a href="#_1_13">6.1. 1.13</a></li>
+<li><a href="#_1_12">6.2. 1.12</a></li>
+<li><a href="#_1_11">6.3. 1.11</a></li>
+<li><a href="#_1_10">6.4. 1.10</a></li>
+<li><a href="#_1_9">6.5. 1.9</a></li>
+<li><a href="#_1_8">6.6. 1.8</a></li>
+<li><a href="#_1_7">6.7. 1.7</a></li>
+<li><a href="#_1_6">6.8. 1.6</a></li>
+<li><a href="#_1_5">6.9. 1.5</a></li>
+<li><a href="#_1_4_1">6.10. 1.4.1</a></li>
+<li><a href="#_1_4">6.11. 1.4</a></li>
+<li><a href="#_1_3">6.12. 1.3</a></li>
+<li><a href="#_1_2">6.13. 1.2</a></li>
+<li><a href="#_1_1">6.14. 1.1</a></li>
 </ul>
 </li>
 <li><a href="#_to_do">7. To Do</a></li>
@ -1743,7 +1821,35 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_ia64"><a class="anchor" href="#_boost_arch_ia64"></a>4.1.5. <code>BOOST_ARCH_IA64</code></h4>
+<h4 id="_boost_arch_e2k"><a class="anchor" href="#_boost_arch_e2k"></a>4.1.5. <code>BOOST_ARCH_E2K</code></h4>
+<div class="paragraph">
+<p><a href="https://en.wikipedia.org/wiki/Elbrus_2000">E2K</a> architecture.</p>
+</div>
+<table class="tableblock frame-all grid-all stretch">
+<colgroup>
+<col style="width: 50%;">
+<col style="width: 50%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Symbol</th>
+<th class="tableblock halign-left valign-top">Version</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__e2k__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__e2k__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">V.0.0</p></td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="sect3">
+<h4 id="_boost_arch_ia64"><a class="anchor" href="#_boost_arch_ia64"></a>4.1.6. <code>BOOST_ARCH_IA64</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/Ia64">Intel Itanium 64</a> architecture.</p>
 </div>
@ -1787,7 +1893,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_m68k"><a class="anchor" href="#_boost_arch_m68k"></a>4.1.6. <code>BOOST_ARCH_M68K</code></h4>
+<h4 id="_boost_arch_m68k"><a class="anchor" href="#_boost_arch_m68k"></a>4.1.7. <code>BOOST_ARCH_M68K</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/M68k">Motorola 68k</a> architecture.</p>
 </div>
@ -1887,7 +1993,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_mips"><a class="anchor" href="#_boost_arch_mips"></a>4.1.7. <code>BOOST_ARCH_MIPS</code></h4>
+<h4 id="_boost_arch_mips"><a class="anchor" href="#_boost_arch_mips"></a>4.1.8. <code>BOOST_ARCH_MIPS</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/MIPS_architecture">MIPS</a> architecture.</p>
 </div>
@ -1959,7 +2065,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_parisc"><a class="anchor" href="#_boost_arch_parisc"></a>4.1.8. <code>BOOST_ARCH_PARISC</code></h4>
+<h4 id="_boost_arch_parisc"><a class="anchor" href="#_boost_arch_parisc"></a>4.1.9. <code>BOOST_ARCH_PARISC</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/PA-RISC_family">HP/PA RISC</a> architecture.</p>
 </div>
@ -2023,7 +2129,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_ppc"><a class="anchor" href="#_boost_arch_ppc"></a>4.1.9. <code>BOOST_ARCH_PPC</code></h4>
+<h4 id="_boost_arch_ppc"><a class="anchor" href="#_boost_arch_ppc"></a>4.1.10. <code>BOOST_ARCH_PPC</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/PowerPC">PowerPC</a> architecture.</p>
 </div>
@ -2048,6 +2154,10 @@ and "Y", "M", "D" for dates.</p>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
 <tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__powerpc64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><code>__POWERPC__</code></p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
@ -2056,6 +2166,18 @@ and "Y", "M", "D" for dates.</p>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
 <tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__ppc64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__PPC__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__PPC64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><code>_M_PPC</code></p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
@ -2064,6 +2186,10 @@ and "Y", "M", "D" for dates.</p>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
 <tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>_ARCH_PPC64</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><code>__PPCGECKO__</code></p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
@ -2076,6 +2202,10 @@ and "Y", "M", "D" for dates.</p>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
 </tr>
 <tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__ppc</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><code>__ppc601__</code></p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">6.1.0</p></td>
 </tr>
@ -2103,7 +2233,43 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_ptx"><a class="anchor" href="#_boost_arch_ptx"></a>4.1.10. <code>BOOST_ARCH_PTX</code></h4>
+<h4 id="_boost_arch_ppc_64"><a class="anchor" href="#_boost_arch_ppc_64"></a>4.1.11. <code>BOOST_ARCH_PPC_64</code></h4>
+<div class="paragraph">
+<p><a href="http://en.wikipedia.org/wiki/PowerPC">PowerPC</a> 64 bit architecture.</p>
+</div>
+<table class="tableblock frame-all grid-all stretch">
+<colgroup>
+<col style="width: 50%;">
+<col style="width: 50%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Symbol</th>
+<th class="tableblock halign-left valign-top">Version</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__powerpc64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__ppc64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__PPC64__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>_ARCH_PPC64</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>detection</strong></p></td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="sect3">
+<h4 id="_boost_arch_ptx"><a class="anchor" href="#_boost_arch_ptx"></a>4.1.12. <code>BOOST_ARCH_PTX</code></h4>
 <div class="paragraph">
 <p><a href="https://en.wikipedia.org/wiki/Parallel_Thread_Execution">PTX</a> architecture.</p>
 </div>
@ -2131,7 +2297,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_pyramid"><a class="anchor" href="#_boost_arch_pyramid"></a>4.1.11. <code>BOOST_ARCH_PYRAMID</code></h4>
+<h4 id="_boost_arch_pyramid"><a class="anchor" href="#_boost_arch_pyramid"></a>4.1.13. <code>BOOST_ARCH_PYRAMID</code></h4>
 <div class="paragraph">
 <p>Pyramid 9810 architecture.</p>
 </div>
@ -2155,7 +2321,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_riscv"><a class="anchor" href="#_boost_arch_riscv"></a>4.1.12. <code>BOOST_ARCH_RISCV</code></h4>
+<h4 id="_boost_arch_riscv"><a class="anchor" href="#_boost_arch_riscv"></a>4.1.14. <code>BOOST_ARCH_RISCV</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/RISC-V">RISC-V</a> architecture.</p>
 </div>
@ -2179,7 +2345,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_rs6000"><a class="anchor" href="#_boost_arch_rs6000"></a>4.1.13. <code>BOOST_ARCH_RS6000</code></h4>
+<h4 id="_boost_arch_rs6000"><a class="anchor" href="#_boost_arch_rs6000"></a>4.1.15. <code>BOOST_ARCH_RS6000</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/RS/6000">RS/6000</a> architecture.</p>
 </div>
@ -2219,7 +2385,7 @@ and "Y", "M", "D" for dates.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_sparc"><a class="anchor" href="#_boost_arch_sparc"></a>4.1.14. <code>BOOST_ARCH_SPARC</code></h4>
+<h4 id="_boost_arch_sparc"><a class="anchor" href="#_boost_arch_sparc"></a>4.1.16. <code>BOOST_ARCH_SPARC</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/SPARC">SPARC</a> architecture.</p>
 </div>
@ -2248,14 +2414,22 @@ and "Y", "M", "D" for dates.</p>
 <td class="tableblock halign-left valign-top"><p class="tableblock">9.0.0</p></td>
 </tr>
 <tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__sparc_v9__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">9.0.0</p></td>
+</tr>
+<tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock"><code>__sparcv8</code></p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">8.0.0</p></td>
 </tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>__sparc_v8__</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">8.0.0</p></td>
+</tr>
 </tbody>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_sh"><a class="anchor" href="#_boost_arch_sh"></a>4.1.15. <code>BOOST_ARCH_SH</code></h4>
+<h4 id="_boost_arch_sh"><a class="anchor" href="#_boost_arch_sh"></a>4.1.17. <code>BOOST_ARCH_SH</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/SuperH">SuperH</a> architecture:
 If available versions [1-5] are specifically detected.</p>
@ -2304,7 +2478,7 @@ If available versions [1-5] are specifically detected.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_sys370"><a class="anchor" href="#_boost_arch_sys370"></a>4.1.16. <code>BOOST_ARCH_SYS370</code></h4>
+<h4 id="_boost_arch_sys370"><a class="anchor" href="#_boost_arch_sys370"></a>4.1.18. <code>BOOST_ARCH_SYS370</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/System/370">System/370</a> architecture.</p>
 </div>
@ -2332,7 +2506,7 @@ If available versions [1-5] are specifically detected.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_sys390"><a class="anchor" href="#_boost_arch_sys390"></a>4.1.17. <code>BOOST_ARCH_SYS390</code></h4>
+<h4 id="_boost_arch_sys390"><a class="anchor" href="#_boost_arch_sys390"></a>4.1.19. <code>BOOST_ARCH_SYS390</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/System/390">System/390</a> architecture.</p>
 </div>
@ -2360,7 +2534,7 @@ If available versions [1-5] are specifically detected.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_x86"><a class="anchor" href="#_boost_arch_x86"></a>4.1.18. <code>BOOST_ARCH_X86</code></h4>
+<h4 id="_boost_arch_x86"><a class="anchor" href="#_boost_arch_x86"></a>4.1.20. <code>BOOST_ARCH_X86</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/X86">Intel x86</a> architecture. This is
 a category to indicate that either <code>BOOST_ARCH_X86_32</code> or
@ -2368,7 +2542,7 @@ a category to indicate that either <code>BOOST_ARCH_X86_32</code> or
 </div>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_z"><a class="anchor" href="#_boost_arch_z"></a>4.1.19. <code>BOOST_ARCH_Z</code></h4>
+<h4 id="_boost_arch_z"><a class="anchor" href="#_boost_arch_z"></a>4.1.21. <code>BOOST_ARCH_Z</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/Z/Architecture">z/Architecture</a> architecture.</p>
 </div>
@ -2392,7 +2566,7 @@ a category to indicate that either <code>BOOST_ARCH_X86_32</code> or
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_x86_32"><a class="anchor" href="#_boost_arch_x86_32"></a>4.1.20. <code>BOOST_ARCH_X86_32</code></h4>
+<h4 id="_boost_arch_x86_32"><a class="anchor" href="#_boost_arch_x86_32"></a>4.1.22. <code>BOOST_ARCH_X86_32</code></h4>
 <div class="paragraph">
 <p><a href="http://en.wikipedia.org/wiki/X86">Intel x86</a> architecture:
 If available versions [3-6] are specifically detected.</p>
@ -2481,9 +2655,9 @@ If available versions [3-6] are specifically detected.</p>
 </table>
 </div>
 <div class="sect3">
-<h4 id="_boost_arch_x86_64"><a class="anchor" href="#_boost_arch_x86_64"></a>4.1.21. <code>BOOST_ARCH_X86_64</code></h4>
+<h4 id="_boost_arch_x86_64"><a class="anchor" href="#_boost_arch_x86_64"></a>4.1.23. <code>BOOST_ARCH_X86_64</code></h4>
 <div class="paragraph">
-<p><a href="http://en.wikipedia.org/wiki/Ia64">Intel IA-64</a> architecture.</p>
+<p><a href="https://en.wikipedia.org/wiki/X86-64">X86-64</a> architecture.</p>
 </div>
 <table class="tableblock frame-all grid-all stretch">
 <colgroup>
@ -4100,7 +4274,7 @@ If available version number as major, minor, and patch.</p>
 <div class="sect3">
 <h4 id="_boost_lib_std_gnu"><a class="anchor" href="#_boost_lib_std_gnu"></a>4.4.13. <code>BOOST_LIB_STD_GNU</code></h4>
 <div class="paragraph">
-<p><a href="http://gcc.gnu.org/libstdc/[GNU libstdc" class="bare">http://gcc.gnu.org/libstdc/[GNU libstdc</a>] Standard C++ library.
+<p><a href="https://gcc.gnu.org/onlinedocs/libstdc%2b%2b/">GNU libstdc++</a> Standard C++ library.
 Version number available as year (from 1970), month, and day.</p>
 </div>
 <table class="tableblock frame-all grid-all stretch">
@ -5536,7 +5710,7 @@ for Windows System development.</p>
 <h4 id="_boost_plat_windows_uwp"><a class="anchor" href="#_boost_plat_windows_uwp"></a>4.6.14. <code>BOOST_PLAT_WINDOWS_UWP</code></h4>
 <div class="paragraph">
 <p><a href="http://docs.microsoft.com/windows/uwp/">Universal Windows Platform</a>
-is available if the current development environment is capable of targeting
+is available if the current development environment is capable of targeting 
 UWP development.</p>
 </div>
 <table class="tableblock frame-all grid-all stretch">
@ -6316,7 +6490,43 @@ information and acquired knowledge:</p>
 </div>
 </div>
 <div class="sect3">
-<h4 id="_boost_predef_workaround"><a class="anchor" href="#_boost_predef_workaround"></a>4.8.2. <code>BOOST_PREDEF_WORKAROUND</code></h4>
+<h4 id="_boost_arch_word_bits"><a class="anchor" href="#_boost_arch_word_bits"></a>4.8.2. <code>BOOST_ARCH_WORD_BITS</code></h4>
+<div class="paragraph">
+<p>Detects the native word size, in bits, for the current architecture. There are
+two types of macros for this detection:</p>
+</div>
+<div class="ulist">
+<ul>
+<li>
+<p><code>BOOST_ARCH_WORD_BITS</code>, gives the number of word size bits
+(16, 32, 64).</p>
+</li>
+<li>
+<p><code>BOOST_ARCH_WORD_BITS_16</code>, <code>BOOST_ARCH_WORD_BITS_32</code>, and
+<code>BOOST_ARCH_WORD_BITS_64</code>, indicate when the given word size is
+detected.</p>
+</li>
+</ul>
+</div>
+<div class="paragraph">
+<p>They allow for both single checks and direct use of the size in code.</p>
+</div>
+<div class="admonitionblock note">
+<table>
+<tr>
+<td class="icon">
+<div class="title">ℹ</div>
+</td>
+<td class="content">
+The word size is determined manually on each architecture. Hence use of
+the <code>wordsize.h</code> header will also include all the architecture headers.
+</td>
+</tr>
+</table>
+</div>
+</div>
+<div class="sect3">
+<h4 id="_boost_predef_workaround"><a class="anchor" href="#_boost_predef_workaround"></a>4.8.3. <code>BOOST_PREDEF_WORKAROUND</code></h4>
 <div class="listingblock">
 <div class="content">
 <pre class="pygments highlight"><code data-lang="cpp"><span></span><span class="tok-n">BOOST_PREDEF_WORKAROUND</span><span class="tok-p">(</span><span class="tok-n">symbol</span><span class="tok-p">,</span><span class="tok-n">comp</span><span class="tok-p">,</span><span class="tok-n">major</span><span class="tok-p">,</span><span class="tok-n">minor</span><span class="tok-p">,</span><span class="tok-n">patch</span><span class="tok-p">)</span></code></pre>
@ -6342,7 +6552,7 @@ is undefine this expand to test the given <code>symbol</code> version value with
 </div>
 </div>
 <div class="sect3">
-<h4 id="_boost_predef_tested_at"><a class="anchor" href="#_boost_predef_tested_at"></a>4.8.3. <code>BOOST_PREDEF_TESTED_AT</code></h4>
+<h4 id="_boost_predef_tested_at"><a class="anchor" href="#_boost_predef_tested_at"></a>4.8.4. <code>BOOST_PREDEF_TESTED_AT</code></h4>
 <div class="listingblock">
 <div class="content">
 <pre class="pygments highlight"><code data-lang="cpp"><span></span><span class="tok-n">BOOST_PREDEF_TESTED_AT</span><span class="tok-p">(</span><span class="tok-n">symbol</span><span class="tok-p">,</span><span class="tok-n">major</span><span class="tok-p">,</span><span class="tok-n">minor</span><span class="tok-p">,</span><span class="tok-n">patch</span><span class="tok-p">)</span></code></pre>
@ -6494,6 +6704,9 @@ indicates an ignored digit.</p>
 <p><code>BOOST_PREDEF_MAKE_10_VPPP(V)</code></p>
 </li>
 <li>
+<p><code>BOOST_PREDEF_MAKE_10_VVPPP(V)</code></p>
+</li>
+<li>
 <p><code>BOOST_PREDEF_MAKE_10_VR0(V)</code></p>
 </li>
 <li>
@ -6725,7 +6938,55 @@ expressions. It defaults to "c++", but can be any of: "c", "cpp",
 <h2 id="_history"><a class="anchor" href="#_history"></a>6. History</h2>
 <div class="sectionbody">
 <div class="sect2">
-<h3 id="_1_11"><a class="anchor" href="#_1_11"></a>6.1. 1.11</h3>
+<h3 id="_1_13"><a class="anchor" href="#_1_13"></a>6.1. 1.13</h3>
+<div class="ulist">
+<ul>
+<li>
+<p>Add <code>ARCH_PPC_64</code> predef.</p>
+</li>
+<li>
+<p>Fix <code>ARCH_WORD_BITS*</code> redefinition warnings/errors.</p>
+</li>
+<li>
+<p>Add <code>ARCH_E2K</code>, Elbrus 2000, architecture from Konstantin Ivlev.</p>
+</li>
+<li>
+<p>Fix not handling recent C++ version that go above 10.x version.</p>
+</li>
+</ul>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_1_12"><a class="anchor" href="#_1_12"></a>6.2. 1.12</h3>
+<div class="ulist">
+<ul>
+<li>
+<p>Switch to using the endian.h header on OpenBSD. (Brad Smith)</p>
+</li>
+<li>
+<p>Fix not handling recent versions of stdcxx that go above version 9.</p>
+</li>
+<li>
+<p>Fix including sub-BSD OS headers directly causing redef warnings.</p>
+</li>
+<li>
+<p>Add CI testing of direct inclusion of all headers.</p>
+</li>
+<li>
+<p>Add CI testing on FreeBSD for clang and gcc.</p>
+</li>
+<li>
+<p>Add <code>WORD_BITS</code> set of predefs to detect the architecture word size.
+Initial implementation inspired by submission from Mikhail Komarov.</p>
+</li>
+<li>
+<p>Add CI testing for Cygwin 32 and 64.</p>
+</li>
+</ul>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_1_11"><a class="anchor" href="#_1_11"></a>6.3. 1.11</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6753,7 +7014,7 @@ expressions. It defaults to "c++", but can be any of: "c", "cpp",
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_10"><a class="anchor" href="#_1_10"></a>6.2. 1.10</h3>
+<h3 id="_1_10"><a class="anchor" href="#_1_10"></a>6.4. 1.10</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6778,7 +7039,7 @@ removed in a future release.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_9"><a class="anchor" href="#_1_9"></a>6.3. 1.9</h3>
+<h3 id="_1_9"><a class="anchor" href="#_1_9"></a>6.5. 1.9</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6791,7 +7052,7 @@ removed in a future release.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_8"><a class="anchor" href="#_1_8"></a>6.4. 1.8</h3>
+<h3 id="_1_8"><a class="anchor" href="#_1_8"></a>6.6. 1.8</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6813,7 +7074,7 @@ removed in a future release.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_7"><a class="anchor" href="#_1_7"></a>6.5. 1.7</h3>
+<h3 id="_1_7"><a class="anchor" href="#_1_7"></a>6.7. 1.7</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6829,7 +7090,7 @@ removed in a future release.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_6"><a class="anchor" href="#_1_6"></a>6.6. 1.6</h3>
+<h3 id="_1_6"><a class="anchor" href="#_1_6"></a>6.8. 1.6</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6853,7 +7114,7 @@ Baratov)</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_5"><a class="anchor" href="#_1_5"></a>6.7. 1.5</h3>
+<h3 id="_1_5"><a class="anchor" href="#_1_5"></a>6.9. 1.5</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6872,7 +7133,7 @@ version instead of the varied product versions.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_4_1"><a class="anchor" href="#_1_4_1"></a>6.8. 1.4.1</h3>
+<h3 id="_1_4_1"><a class="anchor" href="#_1_4_1"></a>6.10. 1.4.1</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6885,7 +7146,7 @@ version instead of the varied product versions.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_4"><a class="anchor" href="#_1_4"></a>6.9. 1.4</h3>
+<h3 id="_1_4"><a class="anchor" href="#_1_4"></a>6.11. 1.4</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6906,7 +7167,7 @@ use cases. And changed the BBv2 check support to use compile only checks.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_3"><a class="anchor" href="#_1_3"></a>6.10. 1.3</h3>
+<h3 id="_1_3"><a class="anchor" href="#_1_3"></a>6.12. 1.3</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6931,7 +7192,7 @@ use cases. And changed the BBv2 check support to use compile only checks.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_2"><a class="anchor" href="#_1_2"></a>6.11. 1.2</h3>
+<h3 id="_1_2"><a class="anchor" href="#_1_2"></a>6.13. 1.2</h3>
 <div class="ulist">
 <ul>
 <li>
@ -6955,7 +7216,7 @@ checks.</p>
 </div>
 </div>
 <div class="sect2">
-<h3 id="_1_1"><a class="anchor" href="#_1_1"></a>6.12. 1.1</h3>
+<h3 id="_1_1"><a class="anchor" href="#_1_1"></a>6.14. 1.1</h3>
 <div class="ulist">
 <ul>
 <li>
@ -7051,76 +7312,5 @@ Joel Falcou for managing the review of this library.</p>
 </div>
 </div>
 </div>
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--- a/doc/predef.adoc
+++ b/doc/predef.adoc
@ -564,6 +564,8 @@ include::../include/boost/predef/architecture/blackfin.h[tag=reference]

 include::../include/boost/predef/architecture/convex.h[tag=reference]

+include::../include/boost/predef/architecture/e2k.h[tag=reference]
+
 include::../include/boost/predef/architecture/ia64.h[tag=reference]

 include::../include/boost/predef/architecture/m68k.h[tag=reference]
@ -828,6 +830,8 @@ include::../include/boost/predef/hardware/simd/x86_amd/versions.h[tag=reference]

 include::../include/boost/predef/other/endian.h[tag=reference]

+include::../include/boost/predef/other/wordsize.h[tag=reference]
+
 include::../include/boost/predef/other/workaround.h[tag=reference]

 :leveloffset: -3
--- a/include/boost/predef/architecture.h
+++ b/include/boost/predef/architecture.h
@ -14,6 +14,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/architecture/arm.h>
 #include <boost/predef/architecture/blackfin.h>
 #include <boost/predef/architecture/convex.h>
+#include <boost/predef/architecture/e2k.h>
 #include <boost/predef/architecture/ia64.h>
 #include <boost/predef/architecture/m68k.h>
 #include <boost/predef/architecture/mips.h>
@ -29,6 +30,5 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/architecture/sys390.h>
 #include <boost/predef/architecture/x86.h>
 #include <boost/predef/architecture/z.h>
-/*#include <boost/predef/architecture/.h>*/

 #endif
--- a/include/boost/predef/architecture/alpha.h
+++ b/include/boost/predef/architecture/alpha.h
@ -52,6 +52,11 @@ http://en.wikipedia.org/wiki/DEC_Alpha[DEC Alpha] architecture.
 #   define BOOST_ARCH_ALPHA_AVAILABLE
 #endif

+#if BOOST_ARCH_ALPHA
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_ALPHA_NAME "DEC Alpha"

 #endif
--- a/include/boost/predef/architecture/arm.h
+++ b/include/boost/predef/architecture/arm.h
@ -126,6 +126,16 @@ http://en.wikipedia.org/wiki/ARM_architecture[ARM] architecture.
 #   define BOOST_ARCH_ARM_AVAILABLE
 #endif

+#if BOOST_ARCH_ARM
+#   if BOOST_ARCH_ARM >= BOOST_VERSION_NUMBER(8,0,0)
+#       undef BOOST_ARCH_WORD_BITS_64
+#       define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#   else
+#       undef BOOST_ARCH_WORD_BITS_32
+#       define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
 #define BOOST_ARCH_ARM_NAME "ARM"

 #endif
--- a/include/boost/predef/architecture/blackfin.h
+++ b/include/boost/predef/architecture/blackfin.h
@ -39,6 +39,11 @@ Blackfin Processors from Analog Devices.
 #   define BOOST_ARCH_BLACKFIN_AVAILABLE
 #endif

+#if BOOST_ARCH_BLACKFIN
+#   undef BOOST_ARCH_WORD_BITS_16
+#   define BOOST_ARCH_WORD_BITS_16 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_BLACKFIN_NAME "Blackfin"

 #endif
--- a/include/boost/predef/architecture/convex.h
+++ b/include/boost/predef/architecture/convex.h
@ -58,6 +58,11 @@ http://en.wikipedia.org/wiki/Convex_Computer[Convex Computer] architecture.
 #   define BOOST_ARCH_CONVEX_AVAILABLE
 #endif

+#if BOOST_ARCH_CONVEX
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_CONVEX_NAME "Convex Computer"

 #endif
--- a/include/boost/predef/architecture/e2k.h
+++ b/include/boost/predef/architecture/e2k.h
@ -0,0 +1,54 @@
+/*
+Copyright Konstantin Ivlev 2021
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#ifndef BOOST_PREDEF_ARCHITECTURE_E2K_H
+#define BOOST_PREDEF_ARCHITECTURE_E2K_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/* tag::reference[]
+= `BOOST_ARCH_E2K`
+
+https://en.wikipedia.org/wiki/Elbrus_2000[E2K] architecture.
+
+[options="header"]
+|===
+| {predef_symbol} | {predef_version}
+
+| `+__e2k__+` | {predef_detection}
+
+| `+__e2k__+` | V.0.0
+|===
+*/ // end::reference[]
+
+#define BOOST_ARCH_E2K BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__e2k__)
+#   undef BOOST_ARCH_E2K
+#   if !defined(BOOST_ARCH_E2K) && defined(__iset__)
+#       define BOOST_ARCH_E2K BOOST_VERSION_NUMBER(__iset__,0,0)
+#   endif
+#   if !defined(BOOST_ARCH_E2K)
+#       define BOOST_ARCH_E2K BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
+#if BOOST_ARCH_E2K
+#   define BOOST_ARCH_E2K_AVAILABLE
+#endif
+
+#if BOOST_ARCH_E2K
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
+#define BOOST_ARCH_E2K_NAME "E2K"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_E2K,BOOST_ARCH_E2K_NAME)
--- a/include/boost/predef/architecture/ia64.h
+++ b/include/boost/predef/architecture/ia64.h
@ -42,6 +42,11 @@ http://en.wikipedia.org/wiki/Ia64[Intel Itanium 64] architecture.
 #   define BOOST_ARCH_IA64_AVAILABLE
 #endif

+#if BOOST_ARCH_IA64
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_IA64_NAME "Intel Itanium 64"

 #endif
--- a/include/boost/predef/architecture/m68k.h
+++ b/include/boost/predef/architecture/m68k.h
@ -75,6 +75,11 @@ http://en.wikipedia.org/wiki/M68k[Motorola 68k] architecture.
 #   define BOOST_ARCH_M68K_AVAILABLE
 #endif

+#if BOOST_ARCH_M68K
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_M68K_NAME "Motorola 68k"

 #endif
--- a/include/boost/predef/architecture/mips.h
+++ b/include/boost/predef/architecture/mips.h
@ -66,6 +66,16 @@ http://en.wikipedia.org/wiki/MIPS_architecture[MIPS] architecture.
 #   define BOOST_ARCH_MIPS_AVAILABLE
 #endif

+#if BOOST_ARCH_MIPS
+#   if BOOST_ARCH_MIPS >= BOOST_VERSION_NUMBER(3,0,0)
+#       undef BOOST_ARCH_WORD_BITS_64
+#       define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#   else
+#       undef BOOST_ARCH_WORD_BITS_32
+#       define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
 #define BOOST_ARCH_MIPS_NAME "MIPS"

 #endif
--- a/include/boost/predef/architecture/parisc.h
+++ b/include/boost/predef/architecture/parisc.h
@ -57,6 +57,11 @@ http://en.wikipedia.org/wiki/PA-RISC_family[HP/PA RISC] architecture.
 #   define BOOST_ARCH_PARISC_AVAILABLE
 #endif

+#if BOOST_ARCH_PARISC
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_PARISC_NAME "HP/PA RISC"

 #endif
--- a/include/boost/predef/architecture/ppc.h
+++ b/include/boost/predef/architecture/ppc.h
@ -22,13 +22,19 @@ http://en.wikipedia.org/wiki/PowerPC[PowerPC] architecture.

 | `+__powerpc+` | {predef_detection}
 | `+__powerpc__+` | {predef_detection}
+| `+__powerpc64__+` | {predef_detection}
 | `+__POWERPC__+` | {predef_detection}
 | `+__ppc__+` | {predef_detection}
+| `+__ppc64__+` | {predef_detection}
+| `+__PPC__+` | {predef_detection}
+| `+__PPC64__+` | {predef_detection}
 | `+_M_PPC+` | {predef_detection}
 | `+_ARCH_PPC+` | {predef_detection}
+| `+_ARCH_PPC64+` | {predef_detection}
 | `+__PPCGECKO__+` | {predef_detection}
 | `+__PPCBROADWAY__+` | {predef_detection}
 | `+_XENON+` | {predef_detection}
+| `+__ppc+` | {predef_detection}

 | `+__ppc601__+` | 6.1.0
 | `+_ARCH_601+` | 6.1.0
@ -41,11 +47,13 @@ http://en.wikipedia.org/wiki/PowerPC[PowerPC] architecture.

 #define BOOST_ARCH_PPC BOOST_VERSION_NUMBER_NOT_AVAILABLE

-#if defined(__powerpc) || defined(__powerpc__) || \
-    defined(__POWERPC__) || defined(__ppc__) || \
-    defined(_M_PPC) || defined(_ARCH_PPC) || \
+#if defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) || \
+    defined(__POWERPC__) || defined(__ppc__) || defined(__ppc64__) || \
+    defined(__PPC__) || defined(__PPC64__) || \
+    defined(_M_PPC) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \
    defined(__PPCGECKO__) || defined(__PPCBROADWAY__) || \
-    defined(_XENON)
+    defined(_XENON) || \
+    defined(__ppc)
 #   undef BOOST_ARCH_PPC
 #   if !defined (BOOST_ARCH_PPC) && (defined(__ppc601__) || defined(_ARCH_601))
 #       define BOOST_ARCH_PPC BOOST_VERSION_NUMBER(6,1,0)
@ -67,7 +75,50 @@ http://en.wikipedia.org/wiki/PowerPC[PowerPC] architecture.

 #define BOOST_ARCH_PPC_NAME "PowerPC"

+
+/* tag::reference[]
+= `BOOST_ARCH_PPC_64`
+
+http://en.wikipedia.org/wiki/PowerPC[PowerPC] 64 bit architecture.
+
+[options="header"]
+|===
+| {predef_symbol} | {predef_version}
+
+| `+__powerpc64__+` | {predef_detection}
+| `+__ppc64__+` | {predef_detection}
+| `+__PPC64__+` | {predef_detection}
+| `+_ARCH_PPC64+` | {predef_detection}
+|===
+*/ // end::reference[]
+
+#define BOOST_ARCH_PPC_64 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) || \
+    defined(_ARCH_PPC64)
+#   undef BOOST_ARCH_PPC_64
+#   define BOOST_ARCH_PPC_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
+#if BOOST_ARCH_PPC_64
+#   define BOOST_ARCH_PPC_64_AVAILABLE
+#endif
+
+#define BOOST_ARCH_PPC_64_NAME "PowerPC64"
+
+
+#if BOOST_ARCH_PPC_64
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#else
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #endif

 #include <boost/predef/detail/test.h>
 BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_PPC,BOOST_ARCH_PPC_NAME)
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_PPC_64,BOOST_ARCH_PPC_64_NAME)
--- a/include/boost/predef/architecture/ptx.h
+++ b/include/boost/predef/architecture/ptx.h
@ -37,6 +37,11 @@ https://en.wikipedia.org/wiki/Parallel_Thread_Execution[PTX] architecture.
 #   define BOOST_ARCH_PTX_AVAILABLE
 #endif

+#if BOOST_ARCH_PTX
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_PTX_NAME "PTX"

 #endif
--- a/include/boost/predef/architecture/pyramid.h
+++ b/include/boost/predef/architecture/pyramid.h
@ -35,6 +35,11 @@ Pyramid 9810 architecture.
 #   define BOOST_ARCH_PYRAMID_AVAILABLE
 #endif

+#if BOOST_ARCH_PYRAMID
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_PYRAMID_NAME "Pyramid 9810"

 #endif
--- a/include/boost/predef/architecture/riscv.h
+++ b/include/boost/predef/architecture/riscv.h
@ -35,6 +35,11 @@ http://en.wikipedia.org/wiki/RISC-V[RISC-V] architecture.
 #   define BOOST_ARCH_RISCV_AVAILABLE
 #endif

+#if BOOST_ARCH_RISCV
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_RISCV_NAME "RISC-V"

 #endif
--- a/include/boost/predef/architecture/rs6k.h
+++ b/include/boost/predef/architecture/rs6k.h
@ -41,6 +41,11 @@ http://en.wikipedia.org/wiki/RS/6000[RS/6000] architecture.
 #   define BOOST_ARCH_RS6000_AVAILABLE
 #endif

+#if BOOST_ARCH_RS6000
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_RS6000_NAME "RS/6000"

 #define BOOST_ARCH_PWR BOOST_ARCH_RS6000
@ -49,6 +54,11 @@ http://en.wikipedia.org/wiki/RS/6000[RS/6000] architecture.
 #   define BOOST_ARCH_PWR_AVAILABLE
 #endif

+#if BOOST_ARCH_PWR
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_PWR_NAME BOOST_ARCH_RS6000_NAME

 #endif
--- a/include/boost/predef/architecture/sparc.h
+++ b/include/boost/predef/architecture/sparc.h
@ -24,7 +24,9 @@ http://en.wikipedia.org/wiki/SPARC[SPARC] architecture.
 | `+__sparc+` | {predef_detection}

 | `+__sparcv9+` | 9.0.0
+| `+__sparc_v9__+` | 9.0.0
 | `+__sparcv8+` | 8.0.0
+| `+__sparc_v8__+` | 8.0.0
 |===
 */ // end::reference[]

@ -32,10 +34,10 @@ http://en.wikipedia.org/wiki/SPARC[SPARC] architecture.

 #if defined(__sparc__) || defined(__sparc)
 #   undef BOOST_ARCH_SPARC
-#   if !defined(BOOST_ARCH_SPARC) && defined(__sparcv9)
+#   if !defined(BOOST_ARCH_SPARC) && (defined(__sparcv9) || defined(__sparc_v9__)
 #       define BOOST_ARCH_SPARC BOOST_VERSION_NUMBER(9,0,0)
 #   endif
-#   if !defined(BOOST_ARCH_SPARC) && defined(__sparcv8)
+#   if !defined(BOOST_ARCH_SPARC) && (defined(__sparcv8) || defined(__sparc_v8__)
 #       define BOOST_ARCH_SPARC BOOST_VERSION_NUMBER(8,0,0)
 #   endif
 #   if !defined(BOOST_ARCH_SPARC)
@ -47,6 +49,16 @@ http://en.wikipedia.org/wiki/SPARC[SPARC] architecture.
 #   define BOOST_ARCH_SPARC_AVAILABLE
 #endif

+#if BOOST_ARCH_SPARC
+#   if BOOST_ARCH_SPARC >= BOOST_VERSION_NUMBER(9,0,0)
+#       undef BOOST_ARCH_WORD_BITS_64
+#       define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#   else
+#       undef BOOST_ARCH_WORD_BITS_32
+#       define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
 #define BOOST_ARCH_SPARC_NAME "SPARC"

 #endif
--- a/include/boost/predef/architecture/superh.h
+++ b/include/boost/predef/architecture/superh.h
@ -60,6 +60,19 @@ If available versions [1-5] are specifically detected.
 #   define BOOST_ARCH_SH_AVAILABLE
 #endif

+#if BOOST_ARCH_SH
+#   if BOOST_ARCH_SH >= BOOST_VERSION_NUMBER(5,0,0)
+#       undef BOOST_ARCH_WORD_BITS_64
+#       define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#   elif BOOST_ARCH_SH >= BOOST_VERSION_NUMBER(3,0,0)
+#       undef BOOST_ARCH_WORD_BITS_32
+#       define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#   else
+#       undef BOOST_ARCH_WORD_BITS_16
+#       define BOOST_ARCH_WORD_BITS_16 BOOST_VERSION_NUMBER_AVAILABLE
+#   endif
+#endif
+
 #define BOOST_ARCH_SH_NAME "SuperH"

 #endif
--- a/include/boost/predef/architecture/sys370.h
+++ b/include/boost/predef/architecture/sys370.h
@ -36,6 +36,11 @@ http://en.wikipedia.org/wiki/System/370[System/370] architecture.
 #   define BOOST_ARCH_SYS370_AVAILABLE
 #endif

+#if BOOST_ARCH_SYS370
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_SYS370_NAME "System/370"

 #endif
--- a/include/boost/predef/architecture/sys390.h
+++ b/include/boost/predef/architecture/sys390.h
@ -36,6 +36,11 @@ http://en.wikipedia.org/wiki/System/390[System/390] architecture.
 #   define BOOST_ARCH_SYS390_AVAILABLE
 #endif

+#if BOOST_ARCH_SYS390
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_SYS390_NAME "System/390"

 #endif
--- a/include/boost/predef/architecture/x86/32.h
+++ b/include/boost/predef/architecture/x86/32.h
@ -78,6 +78,11 @@ If available versions [3-6] are specifically detected.
 #   define BOOST_ARCH_X86_32_AVAILABLE
 #endif

+#if BOOST_ARCH_X86_32
+#   undef BOOST_ARCH_WORD_BITS_32
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_X86_32_NAME "Intel x86-32"

 #include <boost/predef/architecture/x86.h>
--- a/include/boost/predef/architecture/x86/64.h
+++ b/include/boost/predef/architecture/x86/64.h
@ -1,5 +1,5 @@
 /*
-Copyright Rene Rivera 2008-2015
+Copyright Rene Rivera 2008-2021
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE_1_0.txt or copy at
 http://www.boost.org/LICENSE_1_0.txt)
@ -14,7 +14,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 /* tag::reference[]
 = `BOOST_ARCH_X86_64`

-http://en.wikipedia.org/wiki/Ia64[Intel IA-64] architecture.
+https://en.wikipedia.org/wiki/X86-64[X86-64] architecture.

 [options="header"]
 |===
@ -41,6 +41,11 @@ http://en.wikipedia.org/wiki/Ia64[Intel IA-64] architecture.
 #   define BOOST_ARCH_X86_64_AVAILABLE
 #endif

+#if BOOST_ARCH_X86_64
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_X86_64_NAME "Intel x86-64"

 #include <boost/predef/architecture/x86.h>
--- a/include/boost/predef/architecture/z.h
+++ b/include/boost/predef/architecture/z.h
@ -35,6 +35,11 @@ http://en.wikipedia.org/wiki/Z/Architecture[z/Architecture] architecture.
 #   define BOOST_ARCH_Z_AVAILABLE
 #endif

+#if BOOST_ARCH_Z
+#   undef BOOST_ARCH_WORD_BITS_64
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
 #define BOOST_ARCH_Z_NAME "z/Architecture"

 #endif
--- a/include/boost/predef/library/std/cxx.h
+++ b/include/boost/predef/library/std/cxx.h
@ -32,7 +32,7 @@ http://libcxx.llvm.org/[libc++] {CPP} Standard Library.

 #if defined(_LIBCPP_VERSION)
 #   undef BOOST_LIB_STD_CXX
-#   define BOOST_LIB_STD_CXX BOOST_PREDEF_MAKE_10_VPPP(_LIBCPP_VERSION)
+#   define BOOST_LIB_STD_CXX BOOST_PREDEF_MAKE_10_VVPPP(_LIBCPP_VERSION)
 #endif

 #if BOOST_LIB_STD_CXX
--- a/include/boost/predef/library/std/stdcpp3.h
+++ b/include/boost/predef/library/std/stdcpp3.h
@ -16,7 +16,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 /* tag::reference[]
 = `BOOST_LIB_STD_GNU`

-http://gcc.gnu.org/libstdc++/[GNU libstdc++] Standard {CPP} library.
+https://gcc.gnu.org/onlinedocs/libstdc%2b%2b/[GNU libstdc++] Standard {CPP} library.
 Version number available as year (from 1970), month, and day.

 [options="header"]
--- a/include/boost/predef/make.h
+++ b/include/boost/predef/make.h
@ -66,6 +66,10 @@ Macros are:
 */ // end::reference[]
 #define BOOST_PREDEF_MAKE_10_VPPP(V) BOOST_VERSION_NUMBER(((V)/1000)%10,0,(V)%1000)
 /* tag::reference[]
+* `BOOST_PREDEF_MAKE_10_VVPPP(V)`
+*/ // end::reference[]
+#define BOOST_PREDEF_MAKE_10_VVPPP(V) BOOST_VERSION_NUMBER(((V)/1000)%100,0,(V)%1000)
+/* tag::reference[]
 * `BOOST_PREDEF_MAKE_10_VR0(V)`
 */ // end::reference[]
 #define BOOST_PREDEF_MAKE_10_VR0(V) BOOST_VERSION_NUMBER(((V)/100)%10,((V)/10)%10,0)
--- a/include/boost/predef/os/bsd/bsdi.h
+++ b/include/boost/predef/os/bsd/bsdi.h
@ -29,6 +29,7 @@ http://en.wikipedia.org/wiki/BSD/OS[BSDi BSD/OS] operating system.
    defined(__bsdi__) \
    )
 #   ifndef BOOST_OS_BSD_AVAILABLE
+#       undef BOOST_OS_BSD
 #       define BOOST_OS_BSD BOOST_VERSION_NUMBER_AVAILABLE
 #       define BOOST_OS_BSD_AVAILABLE
 #   endif
--- a/include/boost/predef/os/bsd/dragonfly.h
+++ b/include/boost/predef/os/bsd/dragonfly.h
@ -29,6 +29,7 @@ http://en.wikipedia.org/wiki/DragonFly_BSD[DragonFly BSD] operating system.
    defined(__DragonFly__) \
    )
 #   ifndef BOOST_OS_BSD_AVAILABLE
+#       undef BOOST_OS_BSD
 #       define BOOST_OS_BSD BOOST_VERSION_NUMBER_AVAILABLE
 #       define BOOST_OS_BSD_AVAILABLE
 #   endif
--- a/include/boost/predef/os/bsd/free.h
+++ b/include/boost/predef/os/bsd/free.h
@ -31,6 +31,7 @@ http://en.wikipedia.org/wiki/Freebsd[FreeBSD] operating system.
    defined(__FreeBSD__) \
    )
 #   ifndef BOOST_OS_BSD_AVAILABLE
+#       undef BOOST_OS_BSD
 #       define BOOST_OS_BSD BOOST_VERSION_NUMBER_AVAILABLE
 #       define BOOST_OS_BSD_AVAILABLE
 #   endif
--- a/include/boost/predef/os/bsd/net.h
+++ b/include/boost/predef/os/bsd/net.h
@ -36,6 +36,7 @@ http://en.wikipedia.org/wiki/Netbsd[NetBSD] operating system.
    defined(__NETBSD__) || defined(__NetBSD__) \
    )
 #   ifndef BOOST_OS_BSD_AVAILABLE
+#       undef BOOST_OS_BSD
 #       define BOOST_OS_BSD BOOST_VERSION_NUMBER_AVAILABLE
 #       define BOOST_OS_BSD_AVAILABLE
 #   endif
--- a/include/boost/predef/os/bsd/open.h
+++ b/include/boost/predef/os/bsd/open.h
@ -80,6 +80,7 @@ http://en.wikipedia.org/wiki/Openbsd[OpenBSD] operating system.
    defined(__OpenBSD__) \
    )
 #   ifndef BOOST_OS_BSD_AVAILABLE
+#       undef BOOST_OS_BSD
 #       define BOOST_OS_BSD BOOST_VERSION_NUMBER_AVAILABLE
 #       define BOOST_OS_BSD_AVAILABLE
 #   endif
--- a/include/boost/predef/other.h
+++ b/include/boost/predef/other.h
@ -1,5 +1,5 @@
 /*
-Copyright Rene Rivera 2013-2015
+Copyright Rene Ferdinand Rivera Morell 2013-2020
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE_1_0.txt or copy at
 http://www.boost.org/LICENSE_1_0.txt)
@ -11,6 +11,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 #endif

 #include <boost/predef/other/endian.h>
-/*#include <boost/predef/other/.h>*/
+#include <boost/predef/other/wordsize.h>
+#include <boost/predef/other/workaround.h>

 #endif
--- a/include/boost/predef/other/endian.h
+++ b/include/boost/predef/other/endian.h
@ -54,18 +54,14 @@ information and acquired knowledge:
 */
 #if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
    !BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
-#   if BOOST_LIB_C_GNU || BOOST_PLAT_ANDROID
+#   if BOOST_LIB_C_GNU || BOOST_PLAT_ANDROID || BOOST_OS_BSD_OPEN
 #       include <endian.h>
 #   else
 #       if BOOST_OS_MACOS
 #           include <machine/endian.h>
 #       else
 #           if BOOST_OS_BSD
-#               if BOOST_OS_BSD_OPEN
-#                   include <machine/endian.h>
-#               else
-#                   include <sys/endian.h>
-#               endif
+#               include <sys/endian.h>
 #           endif
 #       endif
 #   endif
@ -99,7 +95,7 @@ information and acquired knowledge:
 #   endif
 #endif

-/* Built-in byte-swpped big-endian macros.
+/* Built-in byte-swapped big-endian macros.
 */
 #if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
    !BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
@ -116,7 +112,7 @@ information and acquired knowledge:
 #   endif
 #endif

-/* Built-in byte-swpped little-endian macros.
+/* Built-in byte-swapped little-endian macros.
 */
 #if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
    !BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
@ -128,7 +124,8 @@ information and acquired knowledge:
        defined(_MIPSEL) || \
        defined(__MIPSEL) || \
        defined(__MIPSEL__) || \
-        defined(__riscv)
+        defined(__riscv) || \
+        defined(__e2k__)
 #       undef BOOST_ENDIAN_LITTLE_BYTE
 #       define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #   endif
@ -158,7 +155,7 @@ information and acquired knowledge:
 #endif

 /* Windows on ARM, if not otherwise detected/specified, is always
- * byte-swaped little-endian.
+ * byte-swapped little-endian.
 */
 #if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
    !BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
--- a/include/boost/predef/other/wordsize.h
+++ b/include/boost/predef/other/wordsize.h
@ -0,0 +1,73 @@
+/*
+Copyright Rene Ferdinand Rivera Morell 2020-2021
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#ifndef BOOST_PREDEF_OTHER_WORD_SIZE_H
+#define BOOST_PREDEF_OTHER_WORD_SIZE_H
+
+#include <boost/predef/architecture.h>
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/* tag::reference[]
+= `BOOST_ARCH_WORD_BITS`
+
+Detects the native word size, in bits, for the current architecture. There are
+two types of macros for this detection:
+
+* `BOOST_ARCH_WORD_BITS`, gives the number of word size bits
+  (16, 32, 64).
+* `BOOST_ARCH_WORD_BITS_16`, `BOOST_ARCH_WORD_BITS_32`, and
+  `BOOST_ARCH_WORD_BITS_64`, indicate when the given word size is
+  detected.
+
+They allow for both single checks and direct use of the size in code.
+
+NOTE: The word size is determined manually on each architecture. Hence use of
+the `wordsize.h` header will also include all the architecture headers.
+
+*/ // end::reference[]
+
+#if !defined(BOOST_ARCH_WORD_BITS_64)
+#   define BOOST_ARCH_WORD_BITS_64 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+#elif !defined(BOOST_ARCH_WORD_BITS)
+#   define BOOST_ARCH_WORD_BITS 64
+#endif
+
+#if !defined(BOOST_ARCH_WORD_BITS_32)
+#   define BOOST_ARCH_WORD_BITS_32 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+#elif !defined(BOOST_ARCH_WORD_BITS)
+#	  define BOOST_ARCH_WORD_BITS 32
+#endif
+
+#if !defined(BOOST_ARCH_WORD_BITS_16)
+#   define BOOST_ARCH_WORD_BITS_16 BOOST_VERSION_NUMBER_NOT_AVAILABLE
+#elif !defined(BOOST_ARCH_WORD_BITS)
+#   define BOOST_ARCH_WORD_BITS 16
+#endif
+
+#if !defined(BOOST_ARCH_WORD_BITS)
+#   define BOOST_ARCH_WORD_BITS 0
+#endif
+
+#define BOOST_ARCH_WORD_BITS_NAME "Word Bits"
+#define BOOST_ARCH_WORD_BITS_16_NAME "16-bit Word Size"
+#define BOOST_ARCH_WORD_BITS_32_NAME "32-bit Word Size"
+#define BOOST_ARCH_WORD_BITS_64_NAME "64-bit Word Size"
+
+#endif
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_WORD_BITS,BOOST_ARCH_WORD_BITS_NAME)
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_WORD_BITS_16,BOOST_ARCH_WORD_BITS_16_NAME)
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_WORD_BITS_32,BOOST_ARCH_WORD_BITS_32_NAME)
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_ARCH_WORD_BITS_64,BOOST_ARCH_WORD_BITS_64_NAME)
--- a/include/boost/predef/platform.h
+++ b/include/boost/predef/platform.h
@ -24,6 +24,5 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/platform/windows_system.h>
 #include <boost/predef/platform/windows_runtime.h> // deprecated
 #include <boost/predef/platform/ios.h>
-/*#include <boost/predef/platform/.h>*/

 #endif
--- a/include/boost/predef/version.h
+++ b/include/boost/predef/version.h
@ -10,6 +10,6 @@ http://www.boost.org/LICENSE_1_0.txt)

 #include <boost/predef/version_number.h>

-#define BOOST_PREDEF_VERSION BOOST_VERSION_NUMBER(1,11,0)
+#define BOOST_PREDEF_VERSION BOOST_VERSION_NUMBER(1,13,0)

 #endif
--- a/meta/libraries.json
+++ b/meta/libraries.json
@ -2,13 +2,14 @@
    "key": "predef",
    "name": "Predef",
    "authors": [
-        "Rene Rivera"
+        "René Ferdinand Rivera Morell"
    ],
    "description": "This library defines a set of compiler, architecture, operating system, library, and other version numbers from the information it can gather of C, C++, Objective C, and Objective C++ predefined macros or those defined in generally available headers.",
    "category": [
        "Miscellaneous"
    ],
    "maintainers": [
-        "Rene Rivera <grafikrobot -at- gmail.com>"
-    ]
+        "René Ferdinand Rivera Morell <grafikrobot -at- gmail.com>"
+    ],
+    "cxxstd": "98"
 }
--- a/test/build.jam
+++ b/test/build.jam
@ -4,11 +4,13 @@
 # http://www.boost.org/LICENSE_1_0.txt)

 import ../tools/check/predef : require check : predef-require predef-check ;
+import common ;
 import path ;
+import regex ;

 # This deals with the unfortunate aspect of a Boost monolithic release
 # not having the modular include dirs. This is a kludge that just removes
-# the direct depdndency to the header if it can't find it.
+# the direct dependency to the header if it can't find it.
 local PREDEF_H = $(BOOST_PREDEF_INCLUDE)/boost/predef.h ;
 if ! [ path.exists $(PREDEF_H) ]
 {
@ -25,11 +27,14 @@ project

 using testing ;

-test-suite predef :
+test-suite predef-info :
    [ run info_as_cpp.cpp : : : <test-info>always_show_run_output ]
    [ run info_as_c.c : : : <test-info>always_show_run_output ]
    [ run info_as_objcpp.mm : : : <test-info>always_show_run_output ]
    [ run info_as_objc.m : : : <test-info>always_show_run_output ]
+    ;
+
+test-suite predef :
    [ run version.cpp ]
    [ run make.cpp ]
    [ compile macos_endian.c : [ predef-require "BOOST_OS_MACOS" : cpp ] ]
@ -43,15 +48,62 @@ test-suite predef :
 	[ compile platform_windows.cpp ]
    ;

+local HEADERS = [ path.glob
+    $(BOOST_PREDEF_INCLUDE)/predef
+    $(BOOST_PREDEF_INCLUDE)/predef/architecture
+    $(BOOST_PREDEF_INCLUDE)/predef/architecture/x86
+    $(BOOST_PREDEF_INCLUDE)/predef/compiler
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/arm
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/ppc
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/x86
+    $(BOOST_PREDEF_INCLUDE)/predef/hardware/simd/x86_amd
+    $(BOOST_PREDEF_INCLUDE)/predef/language
+    $(BOOST_PREDEF_INCLUDE)/predef/library
+    $(BOOST_PREDEF_INCLUDE)/predef/library/c
+    $(BOOST_PREDEF_INCLUDE)/predef/library/std
+    $(BOOST_PREDEF_INCLUDE)/predef/os
+    $(BOOST_PREDEF_INCLUDE)/predef/os/bsd
+    $(BOOST_PREDEF_INCLUDE)/predef/other
+    $(BOOST_PREDEF_INCLUDE)/predef/platform
+    : *.h
+    ] ;
+local single_header_cpp ;
+for local h in $(HEADERS)
+{
+    local header_include = [ path.relative $(h) [ path.make $(BOOST_PREDEF_INCLUDE) ] ] ;
+    local header_cpp = [ regex.replace $(header_include:S=.cpp) "/" "_" ] ;
+    .HEADER($(header_cpp:B:S=)) = $(header_include) ;
+    make $(header_cpp) : : @gen_single_header_cpp ;
+    explicit $(header_cpp) ;
+    compile $(header_cpp) : <warnings-as-errors>on <warnings>all : $(header_cpp:B:S=) ;
+    explicit $(header_cpp:B:S=) ;
+    single_header_cpp += $(header_cpp:B:S=) ;
+}
+
+test-suite predef-headers : $(single_header_cpp) ;
+
+.file_touch_cmd = [ common.file-touch-command ] ;
+
+rule gen_single_header_cpp ( target * : source * : properties * )
+{
+    HEADER on $(target) = $(.HEADER($(target[1]:B))) ;
+}
+actions gen_single_header_cpp
+{
+    $(.file_touch_cmd) @($(<):<=":>=":O=F:E=#include <$(HEADER)>)
+}
+
 # Minimal testing done for predef for CI. Since
 # we don't have many we can just do all of them.
-alias minimal : predef ;
+alias minimal : predef predef-info ;

 # Full testing target for regular regression tests.
-alias full : predef ;
+alias full : predef predef-info ;

-# Extra's target. Nothing for Predef.
-alias extra ;
+# Extra's target.
+alias extra : predef-headers ;

 explicit minimal ;
 explicit extra ;
--- a/tools/ci/linux-cxx-install.sh
+++ b/tools/ci/linux-cxx-install.sh
@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Usage:
+# LLVM_OS: LLVM OS release to obtain clang binaries. Only needed for clang install.
+# LLVM_VER: The LLVM toolset version to point the repo at.
+# PACKAGES: Compiler packages to install.
+
+set -e
+echo ">>>>>"
+echo ">>>>> APT: REPO.."
+echo ">>>>>"
+sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
+if test -n "${LLVM_OS}" -a -n "${LLVM_VER}" ; then
+	wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+	sudo -E apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS}-${LLVM_VER} main"
+fi
+echo ">>>>>"
+echo ">>>>> APT: UPDATE.."
+echo ">>>>>"
+sudo -E apt-get -o Acquire::Retries=3 update
+echo ">>>>>"
+echo ">>>>> APT: INSTALL ${PACKAGES}.."
+echo ">>>>>"
+sudo -E apt-get -o Acquire::Retries=3 -yq --no-install-suggests --no-install-recommends install ${PACKAGES}
+
+# Use, modification, and distribution are
+# subject to the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE.txt)
+#
+# Copyright Rene Rivera 2020.
--- a/tools/ci/macos-xcode-install.sh
+++ b/tools/ci/macos-xcode-install.sh
@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Usage:
+# XCODE_VERSION = Dotted version of Xcode to install and make active.
+# XCODE_INSTALL_USER = Account name for developer.apple.com without TFA.
+# XCODE_INSTALL_PASSWORD = Password for that account.
+
+set -e
+sudo gem install xcode-install
+xcversion update
+echo ">>>>>"
+echo ">>>>> AVAILABLE.."
+echo ">>>>>"
+xcversion list
+echo ">>>>>"
+echo ">>>>> INSTALLL: Xcode ${XCODE_VERSION}.."
+echo ">>>>>"
+xcversion --verbose --no-progress --no-clean --no-show-release-notes install ${XCODE_VERSION}
+echo ""
+echo ">>>>>"
+echo ">>>>> INSTALL: CLI Tools.."
+echo ">>>>>"
+xcversion --verbose install-cli-tools
+echo ""
+echo ">>>>>"
+echo ">>>>> AVAILABLE.."
+echo ">>>>>"
+xcversion list
+echo ">>>>>"
+echo ">>>>> SELECT: Xcode ${XCODE_VERSION}.."
+echo ">>>>>"
+xcversion select ${XCODE_VERSION} --symlink
+
+# Use, modification, and distribution are
+# subject to the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE.txt)
+#
+# Copyright Rene Rivera 2020.
Author	SHA1	Message	Date
Rene Rivera	e3a87328f4	Merge branch 'develop'	2021-02-13 20:33:00 -06:00
Rene Rivera	8ee83ef1aa	Add notes for v1.13.	2021-02-13 12:16:24 -06:00
Rene Rivera	c9ee4eb329	Update from upstream Hash Predef.	2021-02-13 10:21:16 -06:00
Rene Rivera	cfbda6e0cc	Bump to 1.13	2021-02-09 23:05:35 -06:00
Rene Rivera	d37f35e578	Add e2k arch to docs.	2021-02-09 23:00:54 -06:00
SSE4	d3460e05aa	Add support for Elbrus 2000 (e2k) architecture (#116 )	2021-02-09 22:52:29 -06:00
Rene Rivera	f51e4ff45e	Fix bad link to libstdc++.	2021-02-09 22:49:00 -06:00
Rene Rivera	40c6205858	Fix incorrect reference to IA-64 instead of X86-64.	2021-02-09 22:31:02 -06:00
Rene Rivera	c5075828dd	Release 1.12	2021-01-06 08:01:05 -06:00
Rene Rivera	caa0627ab5	Add Appveyor Windows CI back in. fixes https://github.com/boostorg/predef/issues/59 fixes https://github.com/boostorg/predef/issues/87	2021-01-05 22:19:58 -06:00
Rene Rivera	a7ac034985	Add `WORD_BITS` predef detection. fixes https://github.com/boostorg/predef/pull/107 fixes https://github.com/boostorg/predef/pull/108	2021-01-05 09:40:19 -06:00
Rene Rivera	6bcceefb48	Do info and header tests for all platforms.	2021-01-04 16:43:23 -06:00
Rene Rivera	d990549214	Fix redef of OS_BSD predef. When a BSD sub-os header is included directly the general OS_BSD predef is inidially defined as not-available. Which warns as the sub-os header defines it. The fix is to unconditionally un-def the OS_BSD predef. fixes https://github.com/boostorg/predef/issues/111	2021-01-04 14:37:33 -06:00
Rene Rivera	e697cafd12	Fix not handling stdcxx recent versions that go above 10.x. Fixes #112	2021-01-03 22:52:27 -06:00
brad0	99cfb298de	Switch to using the endian.h header on OpenBSD. (#110 ) Switch to using the endian.h header on OpenBSD.	2021-01-02 20:49:42 -06:00
Rene Rivera	17cb5b78d5	Start of 1.12 changes.	2021-01-02 17:57:43 -06:00
Rene Rivera	095faae58d	Update meta info with name and cxxstd.	2021-01-02 07:22:57 -06:00