[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
 http://gitorious.org/~galbraithjoseph/boostoniphone/galbraithjosephs-

 boostoniphone
 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
 device.

 '''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>
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