[PD-dev] Gem installation and undefined symbols

[Antti Silvast]

To write my own reply: it seems all this was about an outdated version of 
g++. Had g++ 2.95 or something, now it is 3.3.5. And now Gem works fine, 
great!

-Antti Silvast

On Sun, 20 Mar 2005, Antti Silvast wrote:

> Hi,
>
> I'm trying to install Gem for development purposes, but have thus far had no 
> luck. I'm running a Debian Linux and seem to be suffering from plenty of 
> "undefined symbols".
>
> I've unpacked the packages GemLibs-linux-1.tgz and gem-0.90.0.tgz to 
> directories GemLibs/ and gem-0.90.0/. The makeauxlibs in GemLibs works fine. 
> After that I go to gem-0.90.0/src/Gnu and there write ./configure followed by 
> make. Both succeed with no errors, but when I try to run pd -lib Gem, the 
> fuss with undefined symbols begins. As there are plentiful of those, new ones 
> emerging once I get rid of the old, I'll list all of them here.
>
> 1. First I get:
>
>  Gem.pd_linux: undefined symbol: _16pix_kaleidoscope.g_pCurrentCosTable
>
> I found a solution of adding #define NO_HACK to the file 
> gem-0.90/src/Base/configLinux.h. Then when I remove 
> gem-0.90/src/Pixes/pix_kaleisdoscope.o and retype make in the 
> Gnu/src-directory, this problem disappears...
>
> 2. Only to be replaced by new ones.
>
>  Gem.pd_linux: undefined symbol: GetVideoWidth__CQ23avm10StreamInfo
>  Gem.pd_linux: undefined symbol: GetVideoHeight__CQ23avm10StreamInfo
>
> At this point I tried reconfiguring in gem-0.90/src/Gnu with
>
>  ./configure --disable-new
>
> But no luck. So just to see what happens, I decided to start commenting out 
> the troublecausing lines in cpp-files, to test if I'll get Gem running at 
> all. Removed these lines all together:
>
> gem-0.90.0/src/Pixes/pix_filmLinux.cpp:
>
>  m_xsize = (*m_info).GetVideoWidth();
>  m_ysize = (*m_info).GetVideoHeight();
>
> gem-0.90.0/src/Pixes/filmAVIPLAY.cpp:
>
>  m_image.image.xsize = (*m_info).GetVideoWidth();
>  m_image.image.ysize = (*m_info).GetVideoHeight()
>
> And then re-made. No more complaints about this subject.
>
> 3. The next file to cause troubles was gem-0.90.0/src/Geos/text3d.cpp, with 
> the following error message:
>
>  Gem.pd_linux: undefined symbol: __15FTGLPolygonFontPCc
>
> I have installed ftgl-dev, a library to render text in OpenGL using FreeType. 
> So finding there was nothing else to do, once again commented the appropriate 
> line out in text3d.cpp.
>
> 4. Here is where I'm stuck:
>
>  Gem.pd_linux: undefined symbol: Release__CQ23avm6CImage
>
> The binaries filmAVIPLAY.o and pix_filmLinux.o match this symbol, but could 
> not find any new lines to comment out... Not that just removing these lines 
> is constructive way to deal with the problems to begin with!
>
> Does anyone know how to help? It would be appreciated.
>
> -Antti Silvast
>
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