linking external libs

[Nicholas Wilson via Digitalmars-d-learn]

On Thursday, 2 July 2015 at 12:19:06 UTC, Steven Schveighoffer 
wrote:
> On 7/2/15 8:10 AM, Nicholas Wilson wrote:
>> [...]
>
> Try dmd -v, it will tell you the link line. Then you can try it 
> yourself to see how to get it to work. I know dmd has problems 
> with link line parameters, because it always puts Phobos 
> somewhere. But this is generally for libraries that Phobos 
> needs, not user code.
>
> A full example may be useful too.
>
> -Steve

linker command is
gcc test2.o -o test -m64 -L/usr/share/dmd/lib -L/usr/local/lib 
-lgmp -lphobos2 -L/Users/nicholaswilson/d/lib/ -lphobos2 
-lpthread -lm