Re: [boost] boost.filesystem on HPUX

From: Beman Dawes (bdawes_at_[hidden])
Date: 2005-06-20 16:48:14

"Toon Knapen" <toon.knapen_at_[hidden]> wrote in message 
news:42B70E25.9080307_at_fft.be...
> Caleb Epstein wrote:
>
>> Well, there is code in
>> libs/filesystem/src/operations_posix_windows.cpp that attempts to
>> detect if it is being compiled with multi-threading enabled:
>>
>> #     if defined(_POSIX_THREAD_SAFE_FUNCTIONS) \
>>       && defined(_SC_THREAD_SAFE_FUNCTIONS) \
>>       && (_POSIX_THREAD_SAFE_FUNCTIONS+0 >= 0)
>>
>> Presumably aCC sets these macros incorrectly, or this code is not
>> correct.  Maybe the check should be for >0?
>
>
> Since somebody suggested that _REENTRANT is defined on HP when the '-mt'
> flag is used, what about only adding adding following to this #if
>
>  #     if defined(_POSIX_THREAD_SAFE_FUNCTIONS) \
>        && defined(_SC_THREAD_SAFE_FUNCTIONS) \
>        && (_POSIX_THREAD_SAFE_FUNCTIONS+0 >= 0)
>        || (defined(__HP_aCC) && defined(_REENTRANT))

If someone with access to HPUX verifies this helps, I'll be happy to add it. 
(But do fix the missing backslash on line 3)

--Beman