[Cairo] Link Problems

[Carl Worth]

On Sep 13, Brian Victor wrote:
 > >/home/bhv1/svgcode/cairo-demo/X11/cairo-demo.c:56: undefined reference
 > >to `cairo_move_to'
 > [snip]
 > >gcc version 2.95.4 20011006 (Debian prerelease)
 > 
 > It seems this isn't enough.  Using 3.3 works fine.  Which raises the
 > question:
 > 
 > slim_internal.h:79
 > #if __GNUC__ >= 2 && defined(__ELF__)
 > 
 > I don't understand what slim does, exactly, but hidden proto/def macros
 > prevented successful linking on GCC 2.95.4.  Should the above line be
 > checking for version 3?

I don't know the intricacies of when gcc acquired the necessary
support, but I've bumped that test up to "#if __GNUC__ >= 3". With
that change, I've verified that Cairo programs can be built with
either gcc 2.95.4 or gcc 3.3.2 at least.

-Carl