Re: sigc undefined?

[Chris Vine <chris cvine freeserve co uk>]

On Saturday 13 May 2006 9:28 pm, Joe Van Dyk wrote:
> I guess I'm doing something stupid, but dunno what it could be.
> Running this on Ubuntu Dapper.  Why isn't sigc not declared?  Did I
> not install something correctly?
>
> joe laptop:~/projects/gtkmm/hello_world$ g++ main.cpp `pkg-config
> gtkmm-2.0 sigc++-2.0 --cflags --libs ` -o hello
> main.cpp: In constructor 'Hello_World::Hello_World()':
> main.cpp:20: error: 'sigc' has not been declared
> main.cpp:20: error: 'mem_fun' was not declared in this scope

gtkmm-2.0 uses libsigc++-1.2.  Only gtkmm-2.4 or above uses libsigc++-2.0, so 
you either need to install a later version of gtkmm or install libsigc++-1.2.  
If you do the latter, you will have to use gtkmm-2.0/libsigc++-1.2 syntax, 
and not gtkmm-2.4/libsigc++-2.0 syntax.

Chris