How does pragma(lib) work?

[Walter Bright]

On 8/27/2011 8:59 AM, dsimcha wrote:
> When I add the directive:
>
> pragma(lib, "foo");
>
> to a file called "bar.d" and then do:
>
> dmd -c bar.d
>
> does the object file bar.o or bar.obj contain a directive that reflects the
> pragma, or does pragma(lib) only work when compiling and linking in one step,
> e.g. dmd bar.d?


On Windows, it embeds a reference to the library in the .obj file. The .o format 
does not support this, so on those platforms it adds "foo.a" to the link command.