Alkis Evlogimenos <alkis@[...].com>  writes:

>  On Tuesday 15 October 2002 03:11 pm, David Abrahams wrote:
>  > Yes, it does. That's what -static in the g++ command-line means. You
>  > can inspect the build command lines by passing
>  >
>  >    -n -a
>  >
>  > to bjam when you invoke it. Inspecting the differences will tell you a
>  > lot.
>  
>  After some recompilations and google digging through the net let me try and 
>  see if I got this right:
>  
>  shared-linkable-true: creates targets that can be linked in a shared object 
>  (all it says is that the code generated is position independent; 

It may mean something else on non-ELF platforms, but that's the right
idea.

>  if that goes 
>  to a static/shared library or a statically/dynamically linked executable is 
>  another story) (passes -fPIC to gcc)
>  
>  runtime-link-dynamic: creates targets that are dynamically linked to the C++ 
>  runtime (no additional options for gcc)
>  
>  runtime-link-static: creates targets that are statically linked to the C++ 
>  runtime (passes -static to gcc)
>  
>  If the above is correct then shouldn't runtime-link-dynamic and 
>  runtime-link-static be passing to gcc "-shared-libgcc" and "-static-libgcc" 
>  respectively? gcc's manual says that "-static" turns on preference to static 
>  libraries in general whereas "-{static,dynamic}-libgcc" only affects libgcc 
>  (isn't this the C++ Runtime?).

Well, I guess that's right.

>  Anyway, when building boost I can't seem to be able to get shared libraries 
>  for anything other than boost_regex and boost_signals. 

Boost.Python builds a shared library by default.

>  Is it a bad idea to link dynamically to boost_thread and
>  boost_date_time libraries? Or there is nothing wrong with it and all
>  I have to do is add a dll rule for each of them?

I don't know about that; I'll let the individual library authors
answer you.

-- 
           David Abrahams * Boost Consulting
dave@[...].com * http://www.boost-consulting.com

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