Re: #ifdefs

[Henrik Nordberg <hnordberg@lbl.gov>]

I have made the change and checked it into CVS.
 - Henrik

"David M. Malon" wrote:
> 
> Henrik,
> 
> We're having a small problem with an #if in gc_const.h.  You use the
> following:
> 
>         #if __SUNPRO_CC < 0x500
>                 typedef int bool;
>                 #define true 1
>                 #define false 0
>                 #define explicit
>                 #define mutable
>                 #define std
>         #endif // __SUNPRO_CC < 0x500
> 
> If we use the 5.0 compiler in -compat mode for compatibility with 4.x code
> (which the client code seems to be forced to do until all the libraries it
> uses--even the commercial ones--are rebuilt), this check fails to do what we
> need.
> 
> From the CC man page:
> 
>               Value          Meaning
> 
>                -compat=4      Compile for compatibility with C++
>                               4.0.1, C++ 4.1, and C++ 4.2 (Sets
>                               __cplusplus macro to 1.)
> 
>                -compat=5      Compile with full C++ 5.0 features.
>                               (Sets __cplusplus macro to
>                               199711L.)
> 
> This suggests that you could check whether __cplusplus is one rather than
> whether __SUNPRO_CC is less than 0x500, and things would work.  I believe
> that this is Sun's recommended strategy.
> 
> What do you think?
> 
> David


-- 
_________________________________________
Henrik Nordberg       <hnordberg@lbl.gov>
Scientific Data Management Research Group
Lawrence Berkeley National Laboratory