| Message ID | xkqeo94wfyrq.fsf@trodgers.remote.f27 |
|---|---|
| State | New |
| Headers | show |
| Series | Document PSTL linker flags | expand |
On 23/04/19 09:54 -0700, Thomas Rodgers wrote: > > * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1. OK - thanks.
Jonathan Wakely writes: > On 23/04/19 09:54 -0700, Thomas Rodgers wrote: >> >> * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1. > > OK - thanks. Committed to trunk
On 23/04/19 14:05 -0700, Thomas Rodgers wrote: > >Jonathan Wakely writes: > >> On 23/04/19 09:54 -0700, Thomas Rodgers wrote: >>> >>> * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1. >> >> OK - thanks. > >Committed to trunk I've also committed this update for the C++17 status docs. commit 7b79761df0445c3adc8de1d19e05585a1f11e29c Author: Jonathan Wakely <jwakely@redhat.com> Date: Wed Apr 24 23:16:16 2019 +0100 Update C++17 library status tables * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status. * doc/html/*: Regenerate. diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2017.xml b/libstdc++-v3/doc/xml/manual/status_cxx2017.xml index bb82e34bba7..73403ef6ba0 100644 --- a/libstdc++-v3/doc/xml/manual/status_cxx2017.xml +++ b/libstdc++-v3/doc/xml/manual/status_cxx2017.xml @@ -633,17 +633,18 @@ Feature-testing recommendations for C++</link>. </row> <row> - <?dbhtml bgcolor="#C8B0B0" ?> + <?dbhtml bgcolor="#B0B0B0" ?> <entry> The Parallelism TS Should be Standardized </entry> <entry> <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0024r2.html"> P0024R2 </link> </entry> - <entry align="center"> No </entry> + <entry align="center"> 9.1 </entry> <entry><code> __has_include(<execution>) </code>, <code> __cpp_lib_execution >= 201603 </code>, <code> __cpp_lib_parallel_algorithm >= 201603 </code> + (requires linking with <code>-ltbb</code>, see Note 3) </entry> </row> @@ -689,7 +690,7 @@ Feature-testing recommendations for C++</link>. </entry> <entry align="center"> 7.1 </entry> <entry><code> __cpp_lib_math_special_functions >= 201603 </code> - (see Note 3) + (see Note 4) </entry> </row> @@ -841,7 +842,13 @@ Note 2: This feature is supported in older releases but the </para> <para> -Note 3: The mathematical special functions are enabled in C++17 mode from +Note 3: The Parallel Algorithms have an external dependency on Intel TBB 2018 +or later. If the <filename class="headerfile"><execution></filename> +header is included then <code>-ltbb</code> must be used to link to TBB. +</para> + +<para> +Note 4: The mathematical special functions are enabled in C++17 mode from GCC 7.1 onwards. For GCC 6.x or for C++11/C++14 define <code>__STDCPP_WANT_MATH_SPEC_FUNCS__</code> to a non-zero value and test for <code>__STDCPP_MATH_SPEC_FUNCS__ >= 201003L</code>.
From eabe72642bf51b813f454c54ae3cc4e873cf34be Mon Sep 17 00:00:00 2001
From: Thomas Rodgers <trodgers@redhat.com>
Date: Tue, 23 Apr 2019 09:50:13 -0700
Subject: [PATCH] Document PSTL linker flags
* doc/xml/manual/using.xml: Add PSTL linker flags to table
3.1.
---
libstdc++-v3/doc/xml/manual/using.xml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libstdc++-v3/doc/xml/manual/using.xml b/libstdc++-v3/doc/xml/manual/using.xml
index 9e8fe0715a3..8e099d9c3d8 100644
--- a/libstdc++-v3/doc/xml/manual/using.xml
+++ b/libstdc++-v3/doc/xml/manual/using.xml
@@ -107,6 +107,15 @@
<entry><literal>-fopenmp</literal></entry>
<entry>For <link linkend="manual.ext.parallel_mode">parallel</link> mode.</entry>
</row>
+
+ <row>
+ <entry><literal>-ltbb</literal></entry>
+ <entry>Linking to tbb (Thread Building Blocks) is required for use of the
+ Parallel Standard Algorithms and execution policies in
+ <filename class="headerfile"><execution></filename>.
+ </entry>
+ </row>
+
</tbody>
</tgroup>
--
2.20.1