Re: [Boost-users] Trying to compile and use boost on proprietary complier similar to MPICH2 CXX

Subject: Re: [Boost-users] Trying to compile and use boost on proprietary complier similar to MPICH2 CXX
From: John Maddock (boost.regex_at_[hidden])
Date: 2012-09-04 10:12:00

>> On Wed, Aug 29, 2012 at 10:44 AM, Chris <chris_dev_at_[hidden]> wrote:
>>> When it try to use boost using a proprietary MPIC++ compiler I have no
>>> control over, I get the following errors:
>>>
>>> In file included from 
>>> ../boost_1_43_0/boost/thread/detail/platform.hpp:17,
>>>                  from ../boost_1_43_0/boost/thread/thread.hpp:12,
>>>                  from ../boost_1_43_0/boost/thread.hpp:13,
>>>                  from test.cpp:37:
>>> ../boost_1_43_0/boost/config/requires_threads.hpp:47:5: error: #error
>>> "Compiler threading support is not turned on. Please set the correct
>>> command line options for threading: -pthread (Linux), -pthreads
>>> (Solaris) or -mthreads (Mingw32)"
>>
>> This suggests that your compiler is not running with threads enabled,
>> whereas you instructed `bjam` to compile the threaded version of
>> Boost:
>>
>>> ./bjam cxxflags="-O2" release threading=multi link=static
>>
>> Try to compile with threading=single; if that works, you might want to
>> check your compiler's docs on how to enable threading support.
>
> Thanks Riccardo!
> I've tried that now, also together with things like omitting -pthreads
> or -lpthreads options for this compiler, but to no avail: the error
> message from Boost remains the same.

If you're trying to build the thread lib then you definitely would get 
errors trying to build in single threaded mode... my guess is that the 
compiler doesn't set any preprocessor flags (such as the usual _REENTRANT) 
to indicate it's thread safe.  You could circumvent that test with:

bjam define=BOOST_HAS_THREADS

HTH, John.