> It might still need some autoconf glue to ensure the native vis functions
> will be used if present?

Also, UNVIS_ functions that don't work are defined in <vis.h>, and it 
looks like they need to be cleaned up a bit, because in the current 
state the code doesn't use any of this.

However, the patch fixes the build even on ancient Snow Leopard (via 
MacPorts).

• OpenPGP_0x67D486317A51FABE.asc (3K)