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[libcxx] Fix testing of the externally-threaded library build

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after r290850

Before r290850, building libcxx with -DLIBCXX_HAS_EXTERNAL_THREAD_API=ON had two
uses:
  - Allow platform vendors to plug-in an __external_threading header which
    should take care of the entire threading infrastructure of libcxx

  - Allow testing of an externally-threaded library build; where the thread API
    is declared using pthread data structures, and the implementation of this
    API is provided as a separate library (test/support/external_threads.cpp)
   and linked-in when running the test suite.

r290850 breaks the second use case (pthread data structures are no longer
available). This patch re-stores the ability to build+test an
externally-threaded library variant on a pthread based system.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290878 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Asiri Rathnayake
2017-01-03 11:32:31 +00:00
parent d28b523b58
commit e29d9ff936
2 changed files with 18 additions and 4 deletions
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2
test/support/external_threads.cpp
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@@ -6,5 +6,5 @@
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#define _LIBCPP_HAS_THREAD_API_PTHREAD
#define _LIBCPP_BUILDING_THREAD_API_EXTERNAL_PTHREAD
#include <__threading_support>