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From: Jakub Jelinek <jakub@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/redhat/heads/gcc-8-branch)] libstdc++: Document when C++11/14/17 support became stable [PR 99058] Date: Fri, 23 Apr 2021 10:50:25 +0000 (GMT) [thread overview] Message-ID: <20210423105025.7B7323AC5878@sourceware.org> (raw) https://gcc.gnu.org/g:434d57d0504d05232496306c4f2f7c34772832a5 commit 434d57d0504d05232496306c4f2f7c34772832a5 Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu Feb 11 15:35:23 2021 +0000 libstdc++: Document when C++11/14/17 support became stable [PR 99058] libstdc++-v3/ChangeLog: PR libstdc++/99058 * doc/xml/manual/status_cxx2011.xml: Document when support became stable. * doc/xml/manual/status_cxx2014.xml: Likewise. * doc/xml/manual/status_cxx2017.xml: Likewise. * doc/html/manual/status.html: Regenerate. (cherry picked from commit ce43c906049b828c0472d8499b52ac6233c869d0) Diff: --- libstdc++-v3/doc/html/manual/status.html | 8 ++++++++ libstdc++-v3/doc/xml/manual/status_cxx2011.xml | 3 +++ libstdc++-v3/doc/xml/manual/status_cxx2014.xml | 3 +++ libstdc++-v3/doc/xml/manual/status_cxx2017.xml | 2 ++ 4 files changed, 16 insertions(+) diff --git a/libstdc++-v3/doc/html/manual/status.html b/libstdc++-v3/doc/html/manual/status.html index 189b4e5eda2..ce10dd6c108 100644 --- a/libstdc++-v3/doc/html/manual/status.html +++ b/libstdc++-v3/doc/html/manual/status.html @@ -153,6 +153,9 @@ features. See <a class="link" href="using.html#manual.intro.using.flags" title=" options. The pre-defined symbol <code class="constant">__cplusplus</code> is used to check for the presence of the required flag. +GCC 5.1 was the first release with non-experimental C++11 support, +so the API and ABI of features added in C++11 is only stable +since that release. </p><p> This page describes the C++11 support in the GCC 8 series. </p><div class="table"><a id="table.cxx11_status"></a><p class="title"><strong>Table 1.2. C++ 2011 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ 2011 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Section</th><th align="left">Description</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left"> @@ -385,6 +388,9 @@ features. See <a class="link" href="using.html#manual.intro.using.flags" title=" options. The pre-defined symbol <code class="constant">__cplusplus</code> is used to check for the presence of the required flag. +GCC 6.1 was the first release with non-experimental C++14 support, +so the API and ABI of features added in C++14 is only stable +since that release. </p><p> This page describes the C++14 and library TS support in the GCC 8 series. </p><div class="table"><a id="table.cxx14_status"></a><p class="title"><strong>Table 1.3. C++ 2014 Implementation Status</strong></p><div class="table-contents"><table class="table" summary="C++ 2014 Implementation Status" border="1"><colgroup><col align="left" class="c1" /><col align="left" class="c2" /><col align="left" class="c3" /><col align="left" class="c4" /></colgroup><thead><tr><th align="left">Paper</th><th align="left">Title</th><th align="left">Status</th><th align="left">Comments</th></tr></thead><tbody><tr><td align="left"> @@ -519,6 +525,8 @@ features. See <a class="link" href="using.html#manual.intro.using.flags" title=" options. The pre-defined symbol <code class="constant">__cplusplus</code> is used to check for the presence of the required flag. +C++17 support is experimental up to and including the GCC 8 series, +so the API and ABI of features added in C++17 is not stable in those releases. </p><p> This section describes the C++17 and library TS support in the GCC 8 series. </p><p> diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2011.xml b/libstdc++-v3/doc/xml/manual/status_cxx2011.xml index fd07f574ecb..466699e605c 100644 --- a/libstdc++-v3/doc/xml/manual/status_cxx2011.xml +++ b/libstdc++-v3/doc/xml/manual/status_cxx2011.xml @@ -24,6 +24,9 @@ features. See <link linkend="manual.intro.using.flags">dialect</link> options. The pre-defined symbol <constant>__cplusplus</constant> is used to check for the presence of the required flag. +GCC 5.1 was the first release with non-experimental C++11 support, +so the API and ABI of features added in C++11 is only stable +since that release. </para> <para> diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2014.xml b/libstdc++-v3/doc/xml/manual/status_cxx2014.xml index ee0836ee8ef..131e67b700f 100644 --- a/libstdc++-v3/doc/xml/manual/status_cxx2014.xml +++ b/libstdc++-v3/doc/xml/manual/status_cxx2014.xml @@ -17,6 +17,9 @@ features. See <link linkend="manual.intro.using.flags">dialect</link> options. The pre-defined symbol <constant>__cplusplus</constant> is used to check for the presence of the required flag. +GCC 6.1 was the first release with non-experimental C++14 support, +so the API and ABI of features added in C++14 is only stable +since that release. </para> <para> diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2017.xml b/libstdc++-v3/doc/xml/manual/status_cxx2017.xml index 3931a7a71f9..49ecc8df8b4 100644 --- a/libstdc++-v3/doc/xml/manual/status_cxx2017.xml +++ b/libstdc++-v3/doc/xml/manual/status_cxx2017.xml @@ -17,6 +17,8 @@ features. See <link linkend="manual.intro.using.flags">dialect</link> options. The pre-defined symbol <constant>__cplusplus</constant> is used to check for the presence of the required flag. +C++17 support is experimental up to and including the GCC 8 series, +so the API and ABI of features added in C++17 is not stable in those releases. </para> <para>
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