[Boost-bugs] [Boost C++ Libraries] #7671: Error including boost/thread.hpp header on iOS

Subject: [Boost-bugs] [Boost C++ Libraries] #7671: Error including boost/thread.hpp header on iOS
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-11-09 13:42:55

#7671: Error including boost/thread.hpp header on iOS
 Reporter: Dr.Schroers@… | Owner: anthonyw
     Type: Bugs | Status: new
Milestone: To Be Determined | Component: thread
  Version: Boost 1.52.0 | Severity: Problem
 Keywords: |
 '''System configuration:''' MacOS X 10.8.2, Xcode 4.5.2, iOS SDK 6.0, iOS
 6.0.1 installed on device, boost v1.52.0 compiled via the script at
 All latest patches and updates installed.

 '''Setup:''' I have successfully built the boost.framework using the above
 script and included it into an iOS project with a test target. One test
 case class includes the file `<boost.thread.hpp>`.

 '''Expected behavior:''' The test target is compiled and run on the

 '''Observed behavior:''' Compilation fails with three times the error
 message "Semantic issue - Constexpr function never produces a constant
 expression". In all three cases the issue appears to be due to the same
 piece of code included in the following hierarchy:

 boost/thread.hpp line 13:
 boost/thread/thread.hpp line 17:
 boost/thread/pthread/thread_data.hpp line 11:
 boost/thread/locks.hpp line 11:
 boost/chrono/time_point.hpp line 18:
 boost/chrono/duration.hpp line 33:
 boost/chrono/duration.hpp lines 355/363/371:
 limits line 443

 '''Comment:''' This applies only to the `thread.hpp` header. In the test
 case object I have also included the `<boost.regex.hpp>` and the
 `<boost/lambda/lambda.hpp>` headers. These two are correctly included and
 the corresponding test cases work as expected. Only the `thread.hpp`
 header shows the issue described above.

Ticket URL: <https://svn.boost.org/trac/boost/ticket/7671>
Boost C++ Libraries <http://www.boost.org/>
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