Re: [Boost-users] Re: Errors in date_time module

From: Victor A. Wagner Jr. (vawjr_at_[hidden])
Date: 2005-02-20 16:28:01

At Sunday 2005-02-20 04:24, you wrote:
>Victor A. Wagner Jr. wrote:
>>At Friday 2005-02-18 04:13, you wrote:
>>
>>>Hello!
>>>
>>>I tried to build the date_date libraries of Boost 1.31.0 with a gcc 
>>>2.95.2 compiler on a SuSE 7.0 Linux system. I discovered several problems:
>>
>>problem 1: you're using an ancient compiler.
>>problem 2: you're using an out of date version of boost.
>
>He also supplied a patch for Boost 1.32.0.
>
>>I recommend to boost that we not accept patches for the compiler. IMO we 
>>cannot afford the effort.
>
>I think that should be up to the maintainers of the individual libraries.

perhaps, but it screws up the regression testing also.
I say it's not worth the effort, period.

>Markus Petermann wrote:
>>>2. In order to trigger the correct header file from error no. 1 the flag 
>>>BOOST_NO_STRINGSTREAM must be set. This should be done by the config 
>>>system (e.g. in boost/config/compiler/gcc.hpp).
>
>That's the wrong place to do it, it should be done in the library 
>configuration file, not the compiler configuration file. GCC 2.95 appears 
>to use the SGI standard library by default, and if you look in 
>boost/config/stdlib/sgi.hpp, you'll find this:
>
>//
>// No std::stringstream with gcc < 3
>//
>#if defined(__GNUC__) && (__GNUC__ < 3) && \
>      ((__GNUC_MINOR__ < 95) || (__GNUC_MINOR__ == 96)) && \
>      !defined(__STL_USE_NEW_IOSTREAMS) || \
>    defined(__APPLE_CC__)
>    // Note that we only set this for GNU C++ prior to 2.95 since the
>    // latest patches for that release do contain a minimal <sstream>
>    // If you are running a 2.95 release prior to 2.95.3 then this will need
>    // setting, but there is no way to detect that automatically (other
>    // than by running the configure script).
>    // Also, the unofficial GNU C++ 2.96 included in RedHat 7.1 doesn't
>    // have <sstream>.
>#  define BOOST_NO_STRINGSTREAM
>#endif
>
>I think the comment says it all.
>
>Daniel
>
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Victor A. Wagner Jr.      http://rudbek.com
The five most dangerous words in the English language:
               "There oughta be a law"