[D-runtime] Time for druntime for Linux64 to default to a shared lib

[Walter Bright]

On 3/13/2013 8:51 AM, Martin Nowak wrote:
> We could alternatively include the complete druntime archive in the shared 
> phobos library.
> dmd -shared ... -L--whole-archive -L-l$(DRUNTIME) -L--no-whole-archive.

I'm not sure what that does. Does it mean there is only one binary a user has to 
ship? What if two such binaries are run at once - do they share the druntime.so?