Re: error of link during compilation

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----- Original Message -----
> From: reymond <reymond.d@xxxxxxxxxx>
> To: gtk-list@xxxxxxxxx
> Cc: 
> Sent: Saturday, May 5, 2012 10:49 PM
> Subject: error of link during compilation
> 
> Hi
> 
> I have an error at the end of compilation of  my Gtk application given here:
> 
> /usr/bin/ld: graph.o: undefined reference to symbol 
> 'cairo_set_source_rgb'
> /usr/bin/ld: note: 'cairo_set_source_rgb' is defined in DSO 
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/libcairo.so so try 
> adding it to the linker command line
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/libcairo.so: could not 
> read symbols: Invalid operation
> 
> 
> My project  (http://sourceforge.net/projects/seismic-toolkit ) is rather old  
> (several years), and I never got such error.
> 
> I don't know if the error is coming from Gtk, gcc, or linux version; I 
> upgrade recently to Ubuntu 12.04 LTS, with the new releases of the Gtk project.
> 
> Here is the config.log (there is no error during configure):
> 
> thank you for any help
> 
> Dom
> 

'ld' suggests you what to do:

"
'cairo_set_source_rgb' is defined in DSO /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/libcairo.so so try adding it to the linker command line
".

I.e. in your case 'cairo' library is apparently not in 'ld' default search path, it's (if I make "calculations" correctly) under

/usr/lib/i386-linux-gnu/

directory.

Or maybe 'cairo' development package is not installed.

Regards,
  Sergei.
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