-lpthread vs -pthread: does -D_REENTRANT matter?

[Eitan Adler]

On 8 October 2012 12:17, Eitan Adler <lists at eitanadler.com> wrote:
> The only difference between -lpthread and -pthread that I could see is
> that the latter also sets -D_REENTRANT.
> However, I can't find any uses of _REENTRANT anywhere outside of a few
> utilities that seem to define it manually.
>
> Testing with various manually written pthread programs resulted in
> identical binaries, let alone identical results.
>
> Is there an actual difference between -pthread and -lpthread or is
> this just a historical artifact?

does anyone know the answer to this question? I've been experimenting
but can't find a difference at all.


-- 
Eitan Adler