devel/libelf vs. NetBSD libelf

[tlaronde%kergis.com@localhost]

graphics/MesaLib for example depends on devel/libelf (major 0) while
NetBSD comes with libelf (major 2).

Current version of MesaLib (directly compiled from upstream, not via
pkgsrc) compiles with NetBSD libelf.so.2.

Is there a pkgsrc reason (needed wrapper?) for requiring another
version on NetBSD? Just curious.
-- 
        Thierry Laronde <tlaronde +AT+ kergis +dot+ com>
                     http://www.kergis.com/
                    http://kertex.kergis.com/
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