gdc phobos and druntime automatic import

[Benjamin Thaut]

Am 15.03.2013 14:20, schrieb Iain Buclaw:
> On 15 March 2013 13:18, Iain Buclaw <ibuclaw at ubuntu.com
> <mailto:ibuclaw at ubuntu.com>> wrote:
>
>     On 15 March 2013 13:05, Benjamin Thaut <code at benjamin-thaut.de
>     <mailto:code at benjamin-thaut.de>> wrote:
>
>         Am 15.03.2013 13:26, schrieb Iain Buclaw:
>
>             On 15 March 2013 12:01, Benjamin Thaut
>             <code at benjamin-thaut.de <mailto:code at benjamin-thaut.de>
>
>             <mailto:code at benjamin-thaut.de
>             <mailto:code at benjamin-thaut.de>__>> wrote:
>
>
>                  Well I don't want to overwrite the existing version of
>             druntime and
>                  phobos. I want to be ablte to specifiy via a compiler
>             option to use
>                  a different version of them. In some projects I use the
>             original
>                  druntime + phobos and in other projects I use my custom
>             version.
>                  With dmd this is possible via a custom sc.ini file. So
>             is there a
>                  option to just remove druntime/phobos from
>             LIBRARY_PATH? (and keep
>                  everything else)
>
>                  Kind Regards
>                  Benjamin Thaut
>
>
>             You didn't seem to read my first message. :)
>
>             On 15 March 2013 10:03, Iain Buclaw <ibuclaw at ubuntu.com
>             <mailto:ibuclaw at ubuntu.com>
>             <mailto:ibuclaw at ubuntu.com <mailto:ibuclaw at ubuntu.com>>
>             <mailto:ibuclaw at ubuntu.com <mailto:ibuclaw at ubuntu.com>
>             <mailto:ibuclaw at ubuntu.com <mailto:ibuclaw at ubuntu.com>>>> wrote:
>
>                   The library is installed in /usr/lib,  which is part
>             of the
>                   LIBRARY_PATH.   The static library itself is a
>             combination of
>                   druntime and phobos together, not separate at the
>             moment.  To
>                   specify a different standard library, use -defaultlib
>             switch.
>
>
>
>             --
>             Iain Buclaw
>
>             *(p < e ? p++ : p) = (c & 0x0f) + '0';
>
>
>         I don't fully understand that statement.
>         So the -defaultlib switch gives the location for the import
>         files .di/.d and not for the actual library (.a) ?
>
>
>     No,  that's -I and -J
>
>
>
> Use case:
>
> gdc foo.d -defaultlib tango2
>
>
> This will invoke the driver to add -ltango2 to the linker options,
> instead of -lgphobos2
>
> Regards
> --
> Iain Buclaw
>
> *(p < e ? p++ : p) = (c & 0x0f) + '0';

Well but I'm not talking about the linker. If I do

import std.stdio;

I want to have a error message that std.stdio does not exist.

Kind Regards
Benjamin Thaut