Re: [Boost-build] Runtime 'g' tag

From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2006-11-19 18:50:37

Note... My response below is from what I remember. I'd have to examine 
the BBv1 STLport support carefully to answer this precisely. But since 
the BBv2 STLport is different, and since STLport no longer has a native 
IO mode it may not matter :-)

David Abrahams wrote:
> I believe http://boost.org/more/getting_started.html may be conflating
> the compiler's runtime support library with the standard library
> (which admittedly are sometimes the same).  Consider the case
> mentioned there:
> 
>   For example if you compile debug code for STLport using native IO
>   streams, and statically link to the debug runtime the tag would be:
>   "-sgdpn".
> 
> STLPort's native IOstreams feature means there's no compiled STLPort
> binary.

Yes.

> I presume that when not using native iostreams, 'g' selects the
> debug version of the STLPort binary. 

Yes.

> When using native iostreams,
> 
>   * Does it enable STLPort debug mode?

Yes.

>   * Does it use a debug version of the compiler's runtime library?

Yes.

Basically when the user requests a debug runtime, it both tells the 
compilers to use debug mode and when using STLport it uses the debug 
STLport libs.

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