gdc phobos and druntime automatic import

[Benjamin Thaut]

Am 15.03.2013 15:29, schrieb Iain Buclaw:
> On 15 March 2013 14:06, Benjamin Thaut <code at benjamin-thaut.de
> <mailto:code at benjamin-thaut.de>> wrote:
>
>     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>
>
>         <mailto: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>
>              <mailto: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>__>
>
>                      <mailto: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>>>
>                      <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
>         <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
>
>
>
> -nostdinc should do that.  Though the first error thrown would be that
> object.di cannot be found, which is correct behaviour,  you need to
> specify where the new object.di is using -I
>
>
> --
> Iain Buclaw
>
> *(p < e ? p++ : p) = (c & 0x0f) + '0';

Thats the problem. As soon as I specify -nostdinc a lot of other options 
get missing to. For example gdc no longer includes the contents of 
version(Windows) statements.
Is it possible that the phobos-ver-syms files have something to do with 
that?

Kind Regards
Benjamin Thaut

-- 
Kind Regards
Benjamin Thaut