Trouble using UnitTest

[MystX Jones]

Hi,

I can't seem to get UnitTest to work. I'm working off the SFML sample
using SFML2 and am basically copying code from there to start with.

I get:

UnitTest* pUnit = new UnitTest( pCanvas );:
undefined reference to `UnitTest::UnitTest(Gwen::Controls::Base*)'

I feel like I'm missing a lib or something.. Here's the relevant
includes:

#include <SFML/Window.hpp>
#include <SFML/Graphics.hpp>
#include <SFML/System.hpp>

#include "Gwen/Renderers/SFML.h"
#include "Gwen/Input/SFML.h"

#include "Gwen/Skins/Simple.h"
#include "Gwen/Skins/TexturedBase.h"
#include "Gwen/UnitTest/UnitTest.h"

And I have libGWEN-Renderer-SFML.a, libunittest.a, and
libgwen_static.a all linked.

Any ideas what's going wrong?

[MystX Jones]

Ok so I decided to just build the SFML sample first and play with
that. However I get these errors:

==== Building Sample-SFML (release) ====
Creating obj/Release/Sample-SFML
SFML.cpp
Linking Sample-SFML
/usr/bin/ld: cannot find -lsfml-main
/usr/bin/ld: cannot find -lsfml-window-s
/usr/bin/ld: cannot find -lsfml-graphics-s
/usr/bin/ld: cannot find -lsfml-system-s
/usr/bin/ld: cannot find -lopengl32
collect2: ld returned 1 exit status
make[1]: *** [../../../bin/SFMLSample] Error 1
make: *** [Sample-SFML] Error 2

The SFML-related errors just seem to be because my libs don't have '-
s' on the end.
As for the opengl32 error, I'm on a 64bit machine. Is GWEN 32bit only?
=\

[Garry Newman]

Hey sorry for the delay getting back to you.

The libraries with -d on the end are static - so don't require any extra dlls. You can just remove the -s if you want.

garry

[MystX Jones]

> The libraries with -d on the end are static

What is this in relation to? Sorry, I'm pretty bad when It comes to
libraries.

I removed the -s off all the libs but still have 2 problems building
the sample:

- sfml-main doesn't seem to exist on my system
- what do with opengl32? change it to opengl?

[Garry Newman]

Sorry yeah, didn't realise you were on linux. I think you can remove sfml-main. Try opengl - not totally sure. If you let me know what works I'll update the sample so it compiles properly out of the box.

garry

[MystX Jones]

Hmm, removed opengl and sfml-main all together and got:

/Samples/SFML/SFML.cpp:51: undefined reference to
`UnitTest::UnitTest(Gwen::Controls::Base*)'

[Garry Newman]

You need the unittest library too

garry

[MystX Jones]

Yep, have that too. Still the same error though.

It builds Renderer-SFML, GWEN static and UnitTest fine first and links
them.. But fails to build Sample-SFML

[MystX Jones]

Decided to flag unittest and just try to get a button of something on
my canvas.
However I'm getting this linker error now:

obj/Debug/main.o:(.rodata._ZTIN4Gwen4Skin12TexturedBaseE[typeinfo for
Gwen::Skin::TexturedBase]+0x10) undefined reference to `typeinfo for
Gwen::Skin::Base'

I saw another guy have the same problem here:
http://www.facepunch.com/threads/1048671?p=31961507&viewfull=1#post31961507

Which he apparently fixed by editing skin.h and changing all the
virtual functions. I tried the same, and got the thing to compile, but
the skin doesn't render. All I get is the button text on the canvas
background..

My GWEN related setup code is here: http://pastebin.com/xDw9BFxf


Sorry to waste so much time on this Garry, but I must be close to
getting this to work.
My code is pretty much just copied out of examples, and it doesnt
compile =(

[Garry Newman]

Heya - I got the SFML sample compiling properly on Linux. I haven't actually got it to run - but I'm assuming that's because I'm running in vbox.

If you update your SVN it should just straight up compile.

garry

[MystX Jones]

Awesome, the sample compiles now =D

I'm still getting the error in my last post whenever I try to include
anything in my program. I've reduced things down and it seems to be
when I add the skin setup stuff that it occurs.
I've seen a few people on Facepunch with the same problem too =\

I'll keep trying..

On Sep 19, 7:37 am, Garry Newman <garrynew...@gmail.com> wrote:
> Heya - I got the SFML sample compiling properly on Linux. I haven't actually
> got it to run - but I'm assuming that's because I'm running in vbox.
>
> If you update your SVN it should just straight up compile.
>
> garry
>
> On Sun, Sep 18, 2011 at 3:39 AM, MystX Jones <my...@chaostheory.co.nz>wrote:
>
>
>
>
>
>
>
> > Decided to flag unittest and just try to get a button of something on
> > my canvas.
> > However I'm getting this linker error now:
>
> > obj/Debug/main.o:(.rodata._ZTIN4Gwen4Skin12TexturedBaseE[typeinfo for> Gwen::Skin::TexturedBase]+0x10)  undefined reference to `typeinfo for
> > Gwen::Skin::Base'
>
> > I saw another guy have the same problem here:

> >http://www.facepunch.com/threads/1048671?p=31961507&viewfull=1#post31...

[MystX Jones]

So I think that guy from Faceunch is on the right track..

To get my game to compile I hate to take any virtual void function in
Gwen/Skin.h that looks like:

virtual void FunctionName(<args>);

and change it to:

virtual void FunctionName(<args>) {}

Then it will COMPILE. But the unittest looks like this: http://i.imgur.com/wEEUd.png

Grrrrrr

[MystX Jones]

Nothing?
I've just tried again with the newest version of gwen, and tried
swapping all of my libs around to link in different orders but I'm
having the same problem.

I might have to threaten to bomb your house soon Garry =P