[libcxx-commits] [pstl] r367903 - [libc++] Take 2: Integrate the PSTL into libc++

Louis Dionne via libcxx-commits libcxx-commits at lists.llvm.org
Mon Aug 5 11:29:14 PDT 2019

Author: ldionne
Date: Mon Aug  5 11:29:14 2019
New Revision: 367903

URL: http://llvm.org/viewvc/llvm-project?rev=367903&view=rev
[libc++] Take 2: Integrate the PSTL into libc++

This commit allows specifying LIBCXX_ENABLE_PARALLEL_ALGORITHMS when
configuring libc++ in CMake. When that option is enabled, libc++ will
assume that the PSTL can be found somewhere on the CMake module path,
and it will provide the C++17 parallel algorithms based on the PSTL
(that is assumed to be available).

The commit also adds support for running the PSTL tests as part of
the libc++ test suite.

The first attempt to commit this failed because it exposed a bug in the
tests for modules. Now that this has been fixed, it should be safe to
commit this.

Reviewers: EricWF

Subscribers: mgorny, christof, jkorous, dexonsmith, libcxx-commits, mclow.lists, EricWF

Tags: #libc

Differential Revision: https://reviews.llvm.org/D60480


Added: pstl/trunk/test/std/lit.local.cfg
URL: http://llvm.org/viewvc/llvm-project/pstl/trunk/test/std/lit.local.cfg?rev=367903&view=auto
--- pstl/trunk/test/std/lit.local.cfg (added)
+++ pstl/trunk/test/std/lit.local.cfg Mon Aug  5 11:29:14 2019
@@ -0,0 +1,2 @@
+if 'parallel-algorithms' not in config.available_features:
+    config.unsupported = True

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