> Thomas:  Don't worry about groveling for details yet; a diff is enough for
> now.  There's something majorly b0rken in the png build (which looks a lot
> like a long-standing gmp build problem, probably actually libtool's fault).
If you are commiters, see PR pkg/35210.
It provides a fix for png library and therefore fix
for graphics/netpbm too (and probably others).

> Top Ten Offenders

> Package                    Breaks  Maintainer
> --------------------------------------------------------------
[skipped]
> graphics/netpbm            844     adam@NetBSD.org

-- 
Best regards, Aleksey Cheusov.