Re: [Gnash-dev] Incorrect message when AGG is old...

[strk]

On Sat, Aug 18, 2007 at 08:23:40PM +0200, Alfred M. Szmidt wrote:
>    s> Anyway, still interested in attempts to bild with an older AGG
>    s> ...
> 
>    As long as the particular 2.4 version contains the
>    render_scanlines_compound_layered template/class (normally defined
>    in agg_renderer_scanline.h) the AGG version should be OK, so you
>    could check for that if that's possible.
> 
>    Not sure if the compatibility layer is still worth it since 2.5 is
>    now the current version.
> 
> It should be very trivial to do such a check:
> 
> AC_LANG([C++])
> AC_CHECK_LIB([some_crucial_function_in_libagg], [libagg], [],
>   AC_MSG_ERROR([you are missing libagg, please install it]))
> AC_CHECK_FUNC([render_scanlines_compound_layered], [],
>   AC_MSG_ERROR([you are using a version of libagg that does not work with 
> gnash]))
> 
> I don't know if this will work with C++'s template system though.

Hardly, as the macro would try to link, w/out including any header.
I think we used a grep-like macro in the past, dunno if it's still there.

--strk;