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Message-ID: <2e393d080507250832651cfe92@mail.gmail.com>
Date: Mon, 25 Jul 2005 15:49:00 -0000
From: corey taylor <corey.taylor@gmail.com>
Reply-To: corey taylor <corey.taylor@gmail.com>
To: Kristian Kratzenstein <kristian.kratzenstein@kielnet.net>
Subject: Re: Problem with class operators.
Cc: gcc-help@gcc.gnu.org
In-Reply-To: <fc.0000000100014e603b9aca0075893219.14e68@KielNet.net>
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References: <BF0A3AC0.2E9%eljay@adobe.com>
	 <fc.0000000100014e603b9aca0075893219.14e68@KielNet.net>
X-SW-Source: 2005-07/txt/msg00260.txt.bz2

Kristian,

  Are you sure that is the setup that compiles?  You need to pull
those templated functions out of the source file and into a header
file.

corey

On 7/25/05, Kristian Kratzenstein <kristian.kratzenstein@kielnet.net> wrote:
> Hi all (again),
>=20
> Xcode again. Seem like gcc optimize methods away, which are needed by code
> in another file. This means, I get Link errors.
>=20
> I ll try to discribe this as good as I could without the whole code :
>=20
> File1.h
>         template <class t>
>         class a
>         {
>                 ...
>                 virtual bool isBig();
>         }
>=20
> File1.cpp
>         template<class t>
>         bool a<t>::isBig()
>         {
>                 return false;
>         }
>=20
>         dummyfunctionfora()
>         {
>                 a<char> aA;
>                 bool            b;
>=20
>                 b =3D aA.isBig;
>         }
>=20
> File2.cpp
>         #include "File1.h"
>=20
>         ...
>         b =3D aA.isBig();
>         ...
>=20
> What I did : template class a is defined in File1, and only be used by a
> dummy function, which is not called. ( I try this that the compiler
> generates the needed code). This runs fine with CW and VS. But with gcc
> (xcode 2.1) this could lead into a link error.
>=20
> How could I solve this ? Is there any smarter way to make sure the
> template class is compiled for the types I want ? Is there a way to stop
> gcc from optimize my methods away ? The normal (xcode for gcc) setting for
> Optimizing I tried (different counts of link error, but never none).
>=20
> Thanks,
>=20
> Kristian Kratzenstein
>=20
>=20
> --------------------------------------------
> Kristian Kratzenstein
> Gettorf
>=20
> Kristian.Kratzenstein@KielNET.net
> --------------------------------------------
>=20
>=20
>