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

[Martin Nowak]

On 03/13/2013 08:01 AM, Walter Bright wrote:
> Thanks to the efforts of Martin Nowak (dawgfoto) I have been able to 
> build druntime as a shared library under Linux64 and get it to 
> successfully run the test suite.
>
> Therefore, it's now time to make this now the default. This requires 
> some changes to the makefiles for druntime, phobos, and some tweaks to 
> dmd.
>
> druntime:
>     PIC needs to default to -fPIC
>     dll is now the default build
>
> phobos:
>     DRUNTIME needs to default to being nothing
>
> dmd:
>     prepend "-ldruntime-linux64" to the list of standard libraries 
> passed to the linker
>
> dmd.conf:
>     needs -L-Lpath/druntime/lib added to DFLAGS
>
> and,
>     export LD_LIBRARY_PATH=path/druntime/lib
> needs to be executed by the user.
>
> Once this is all working for Linux64, we can extend it to the other 
> platforms.
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>
>
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.