Re: [boost] Re: RC_1_30_0 still broken -- More lexical_cast

From: Terje Slettebø (tslettebo_at_[hidden])
Date: 2003-03-18 18:12:54

>From: "Kevlin Henney" <kevlin_at_[hidden]>

> Close inspection reveals that the config file
> studiously avoids accommodating g++ 2.95:
>
> #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
>
> In other words, lexical_cast will work if the instructions in the config
> file are followed. According to the config file anyone running 2.95 is
> in effect on their own. Terje's changes should be applied: any remaining
> g++ 2.95 problems would then be down to local config and rather than
> lexical_cast.hpp to address.

Also, John's suggestion (incorporated in the posted version) means that it
doesn't rely on BOOST_NO_STRINGSTREAM being set, to work on g++ 2.95.

Regards,

Terje